final tmi calculations

Evpotranspriation Based on the Thornthwaithe Medhod

PENAL 1970-2003

Month Air Temp. Mthly Heat Index Unadjusted P.E.T.i e

January 24.4 11.02 10.16 cm

February 24.4 10.99 10.09 cm

March 24.9 11.38 10.91 cm

April 25.2 11.60 11.39 cm

May 25.9 12.08 12.49 cm

June 26.0 12.15 12.66 cm

July 26.9 12.74 14.10 cm

August 26.4 12.41 13.27 cm

September 26.2 12.24 12.88 cm

October 26.1 12.24 12.87 cm

November 25.8 11.99 12.29 cm

December 24.9 11.34 10.82 cm

142.18

Coefficient (a) = 3.42

PIARCO 2002-2012


January 24.4 11.03 10.21 cm

February 24.6 11.19 10.54 cm

March 25.0 11.43 11.06 cm

April 25.5 11.76 11.77 cm

May 26.0 12.10 12.56 cm

June 25.8 12.02 12.36 cm

oC

Annual Heat Index (I) =

oC

July 26.2 12.29 13.00 cm

August 26.0 12.15 12.67 cm

September 25.9 12.04 12.42 cm

October 25.9 12.05 12.45 cm

November 25.7 11.89 12.08 cm

December 25.0 11.43 11.04 cm

141.38


HOLLIS 1998-2007


January 24.4 11.03 10.21 cm

February 24.6 11.19 10.54 cm

March 25.0 11.43 11.06 cm

April 25.5 11.76 11.77 cm

May 26.0 12.10 12.56 cm

June 25.8 12.02 12.36 cm

July 26.2 12.29 13.00 cm

August 26.0 12.15 12.67 cm

September 25.9 12.04 12.42 cm

October 25.9 12.05 12.45 cm

November 25.7 11.89 12.08 cm

December 25.0 11.43 11.04 cm

141.38


MATELOT 1975-1993

Month Air Temp. Mthly Heat Index Unadjusted P.E.T.


oC


i eJanuary 24.4 11.03 10.21 cm

February 24.6 11.19 10.54 cm

March 25.0 11.43 11.06 cm

April 25.5 11.76 11.77 cm

May 26.0 12.10 12.56 cm

June 25.8 12.02 12.36 cm

July 26.2 12.29 13.00 cm

August 26.0 12.15 12.67 cm

September 25.9 12.04 12.42 cm

October 25.9 12.05 12.45 cm

November 25.7 11.89 12.08 cm

December 25.0 11.43 11.04 cm

141.38


NAVET 1967-1998Month Air Temp. Mthly Heat Index Unadjusted P.E.T.

i e

January 24.4 11.04 10.25 cm

February 24.9 11.39 11.00 cm

March 25.1 11.49 11.21 cm

April 25.7 11.92 12.16 cm

May 26.0 12.13 12.64 cm

June 25.6 11.88 12.07 cm

July 25.6 11.84 11.99 cm

August 25.7 11.89 12.11 cm

September 25.6 11.84 11.97 cm

October 25.6 11.87 12.05 cm

November 25.5 11.80 11.89 cm

December 25.1 11.51 11.26 cm

140.60

oC


oC



PENAL NAVET AVERAGE

J 24.4 24.4 24.4

F 24.4 24.9 24.6

M 24.9 25.1 25.0

A 25.2 25.7 25.5

M 25.9 26.0 26.0

J 26.0 25.6 25.8

J 26.9 25.6 26.2

A 26.4 25.7 26.0

S 26.2 25.6 25.9

O 26.1 25.6 25.9

N 25.8 25.5 25.7

D 24.9 25.1 25.0


Adjustment Adjusted P.E.TFactors (mm)

1 101.58

0.91 91.81

1.03 112.36

1.03 117.33

1.08 134.85

1.06 134.22

1.08 152.27

1.07 141.99

1.02 131.33

1.02 131.22

0.98 120.41

0.99 107.16

Annual PET 1476.54 mm


1 102.07

0.91 95.91

1.03 113.94

1.03 121.26

1.08 135.68

1.06 131.04

January February March April May June July August September October November December60

70

80

90

100

110

120

130

140

150

160

PENAL Monthly Average P.E.T Variation 1970 - 2003

P.E.

T - m

m


70

80

90

100

110

120

130

140

150

PIARCO Monthly Average P.E.T Variation 2002 - 2012

P.E.

T - m

m

1.08 140.44

1.07 135.61

1.02 126.64

1.02 126.98

0.98 118.43

0.99 109.33



1 102.07

0.91 95.91

1.03 113.94

1.03 121.26

1.08 135.68

1.06 131.04

1.08 140.44

1.07 135.61

1.02 126.64

1.02 126.98

0.98 118.43

0.99 109.33


Adjustment Adjusted P.E.T


70

80

90

100

110

120

130

140

150


P.E.

T - m

m


70

80

90

100

110

120

130

140

150

HOLLIS Monthly Average P.E.T Variation 1998-2007

P.E.

T - m

m


70

80

90

100

110

120

130

140

150

MATELOT Monthly Average P.E.T Variation 1975 - 1993

P.E.

T - m

m

Factors (mm)

1 102.07

0.91 95.91

1.03 113.94

1.03 121.26

1.08 135.68

1.06 131.04

1.08 140.44

1.07 135.61

1.02 126.64

1.02 126.98

0.98 118.43

0.99 109.33



1 102.55

0.91 100.07

1.03 115.50

1.03 125.23

1.08 136.49

1.06 127.96

1.08 129.45

1.07 129.53

1.02 122.13

1.02 122.90

0.98 116.50

0.99 111.48



70

80

90

100

110

120

130

140

150


P.E.

T - m

m


95

100

105

110

115

120

125

130

135

140

NAVET Monthly Average P.E.T Variation 1967-1998

P.E.

T - m

m

Variation

0%

2%

1%

2%

0%

1%

5%

3%

2%

2%

1%

1%

J F M A M J J A S O N D23.0

23.5

24.0

24.5

25.0

25.5

26.0

26.5

27.0

27.5MONTHLY TEMPERATURE VARIATION AT DATASITES

PENAL NAVET AVERAGE

Tem

pera

ture

(deg

. Cen

tigra

de)



70

80

90

100

110

120

130

140

150

160

PENAL Monthly Average P.E.T Variation 1970 - 2003

P.E.

T - m

m


70

80

90

100

110

120

130

140

150


P.E.

T - m

m


70

80

90

100

110

120

130

140

150


P.E.

T - m

m


70

80

90

100

110

120

130

140

150

HOLLIS Monthly Average P.E.T Variation 1998-2007

P.E.

T - m

m


70

80

90

100

110

120

130

140

150


P.E.

T - m

m


70

80

90

100

110

120

130

140

150


P.E.

T - m

m


95

100

105

110

115

120

125

130

135

140

NAVET Monthly Average P.E.T Variation 1967-1998

P.E.

T - m

m

J F M A M J J A S O N D23.0

23.5

24.0

24.5

25.0

25.5

26.0

26.5

27.0

27.5MONTHLY TEMPERATURE VARIATION AT DATASITES

PENAL NAVET AVERAGE

Tem

pera

ture

(deg

. Cen

tigra

de)

Monthly Average PET (mm)

MONTHS PENAL 1970-2003 PIARCO 2002-2012

January 101.58 102.07

February 91.81 95.91

March 112.36 113.94

April 117.33 121.26

May 134.85 135.68

June 134.22 131.04

July 152.27 140.44

August 141.99 135.61

September 131.33 126.64

October 131.22 126.98

November 120.41 118.43

December 107.16 109.33

Janu

ary

Febr

uary

Mar

ch

Apr

il

May

June

July

Aug

ust

Sep

tem

ber

Oct

ober

Nov

embe

r

Dec

embe

r80

90

100

110

120

130

140

150

160

Monthly Average P.E.T. for Datasites

PENAL 1970-2003 PIARCO 2002-2012 HOLLIS 1998-2007 MATELOT 1975-1993

P.E.

T. -

mm

Janu

ary

Febr

uary

Mar

ch

Apr

il

May

June

July

Aug

ust

Sep

tem

ber

Oct

ober

Nov

embe

r

Dec

embe

r80

90

100

110

120

130

140

150

160



P.E.

T. -

mm

Monthly Average PET (mm)

HOLLIS 1998-2007 MATELOT 1975-1993 NAVET 1967-1998

102.07 102.07 102.55

95.91 95.91 100.07

113.94 113.94 115.50

121.26 121.26 125.23

135.68 135.68 136.49

131.04 131.04 127.96

140.44 140.44 129.45

135.61 135.61 129.53

126.64 126.64 122.13

126.98 126.98 122.90

118.43 118.43 116.50

109.33 109.33 111.48

Janu

ary

Febr

uary

Mar

ch

Apr

il

May

June

July

Aug

ust

Sep

tem

ber

Oct

ober

Nov

embe

r

Dec

embe

r80

90

100

110

120

130

140

150

160



P.E.

T. -

mm

Janu

ary

Febr

uary

Mar

ch

Apr

il

May

June

July

Aug

ust

Sep

tem

ber

Oct

ober

Nov

embe

r

Dec

embe

r80

90

100

110

120

130

140

150

160



P.E.

T. -

mm

Avarege Monthly Rainfall - WASA Data

Month Rainfall(mm)

January 59.41

February 35.88

March 28.62

April 42.64

May 97.21

June 210.36

July 222.21

August 208.70

September 168.98

October 166.31

November 190.09

December 129.84

Annual Rainfall = 1560.25 mm

PIARCO 2002-2012

Month Rainfall(mm)

January 71.20

February 43.00

March 34.30

April 51.10

May 116.50

June 252.10

*PENAL 1970-2003


50

100

150

200

250

PENAL Monthly Average RAINFALL 2002 - 2012

P.E.

T - m

m


50

100

150

200

250

300

PIARCO Monthly Average RAINFALL 2002 - 2012

P.E.

T - m

m

July 266.30

August 250.10

September 202.50

October 199.30

November 227.80

December 155.60


HOLLIS 1984-1994

Month Rainfall(mm)

January 139.34

February 118.95

March 65.40

April 55.70

May 170.03

June 329.38

July 365.15

August 388.07

September 297.46

October 366.09

November 435.80

December 239.21


MATELOT 1975-1993

Month Rainfall


50

100

150

200

250

300


P.E.

T - m

m


50

100

150

200

250

300

350

400

450

500

HOLLIS Monthly Average RAINFALL 1984-1994

P.E.

T - m

m


50

100

150

200

250

300

350

MATELOT STATION Monthly Average RAINFALL 1975-1993

P.E.

T - m

m

(mm)

January 120.86

February 105.63

March 72.60

April 95.90

May 153.05

June 265.03

July 318.43

August 287.07

September 215.84

October 281.80

November 332.99

December 319.25


Month Rainfall(mm)

January 89.33

February 53.95

March 43.03

April 64.11

May 146.17

June 316.30

July 334.11

August 313.79

September 254.07

October 250.05

November 285.81

December 195.22

Annual Rainfall = 2346 mm

*NAVET 1967-1998


50

100

150

200

250

300

350


P.E.

T - m

m


50

100

150

200

250

300

350

400

NAVET Monthly Average RAINFALL 1967-1998

P.E.

T - m

m



50

100

150

200

250


P.E.

T - m

m


50

100

150

200

250

300


P.E.

T - m

m


50

100

150

200

250

300

PIARCO Monthly Average RAINFALL 2002 - 2012 P.

E.T

- mm


50

100

150

200

250

300

350

400

450

500


P.E.

T - m

m


50

100

150

200

250

300

350


P.E.

T - m

m


50

100

150

200

250

300

350


P.E.

T - m

m


50

100

150

200

250

300

350

400


P.E.

T - m

m


Monthly Average RAINFALL (mm)

MONTHS *PENAL 1970-2003

January 59.41

February 35.88

March 28.62

April 42.64

May 97.21

June 210.36

July 222.21

August 208.70

September 168.98

October 166.31

November 190.09

December 129.84 January February March April May June July August September October November December

0

50

100

150

200

250


P.E.

T - m

m


50

100

150

200

250

300


P.E.

T - m

m

J F M A M J J A S O N D0

50

100

150

200

250

300

350

400

450

500 Monthly Average RAINFALL for Datasites

*PENAL 1970-2003 PIARCO 2002-2012 HOLLIS 1984-1994 MATELOT 1975-1993 *NAVET 1967-1998

RAIN

FALL

- m

m


50

100

150

200

250

300


P.E.

T - m

m


50

100

150

200

250

300

350

400

450

500


P.E.

T - m

m


50

100

150

200

250

300

350


P.E.

T - m

m


50

100

150

200

250

300

350

400

450



RAIN

FALL

- m

m


50

100

150

200

250

300

350


P.E.

T - m

m


50

100

150

200

250

300

350

400


P.E.

T - m

m

Monthly Average RAINFALL (mm)

PIARCO 2002-2012 HOLLIS 1984-1994 MATELOT 1975-1993 *NAVET 1967-1998

71.20 139.34 120.86 89.33

43.00 118.95 105.63 53.95

34.30 65.40 72.60 43.03

51.10 55.70 95.90 64.11

116.50 170.03 153.05 146.17

252.10 329.38 265.03 316.30

266.30 365.15 318.43 334.11

250.10 388.07 287.07 313.79

202.50 297.46 215.84 254.07

199.30 366.09 281.80 250.05

227.80 435.80 332.99 285.81

155.60 239.21 319.25 195.22


50

100

150

200

250

300

350

400

450



RAIN

FALL

- m

m


50

100

150

200

250

300

350

400

450



RAIN

FALL

- m

m

J

F

M

A

M

J

J

A

S

O

N

D


50

100

150

200

250

300

350

400

450



RAIN

FALL

- m

m


50

100

150

200

250

300

350

400

450



RAIN

FALL

- m

m

Monthly Rainfall Totals (mm) at Piarco, Trinidadfor the period January 2002 to September 2012

MONTH RAINFALL2002 2003 2004 2005 2006 2007

January 144.9 31.0 38.1 247.0 224.2 54.4

February 23.3 43.1 73.9 11.5 84.9 34.7

March 57.7 6.9 21.1 52.1 114.2 42.1

April 216.0 6.3 165.4 6.8 26.8 20.5

May 144.3 43.5 236.6 187.4 43.2 51.7

June 245.4 259.0 281.6 247.4 244.5 215.6

July 232.9 180.8 190.6 328.4 348.8 200.4

August 144.4 214.5 154.6 175.6 280.6 398.6

September 55.5 167.7 174.8 143.2 155.6 164.0

October 214.4 117.4 192.1 205.9 243.6 233.5

November 406.1 204.8 267.0 264.8 203.8 108.8

December 43.5 182.8 205.6 141.1 162.7 312.2

LINEAR INTERPOLATION

Location

Pi D Pu(mm) (m) (mm)

- - -

Penal

1600 8812 0.0000129 0.0206

1600 9767 0.0000105 0.0168

1800 9025 0.0000123 0.0221

Sums: 0.0000356 0.0595 1669

Navet

2400 2908 0.0001183 0.2838

2600 2649 0.0001425 0.3705

Sums: 0.0002608 0.6543 2509

Wx103 Pi(Wx103)(m-2) (mm/m2)1/D2 ΣPiW/ΣW

Penal Navet

*75 year mean annual Rainfall 1669 2509

Piarco 75 year mean annual 2000 2000

Scaling Factor 0.834 1.255

MONTH Piarco Penal Navet

January 71.2 59.41 89.33

February 43.0 35.88 53.95

March 34.3 28.62 43.03

April 51.1 42.64 64.11

May 116.5 97.21 146.17

June 252.1 210.36 316.30

July 266.3 222.21 334.11

August 250.1 208.70 313.79

September 202.5 168.98 254.07

October 199.3 166.31 250.05

November 227.8 190.09 285.81

December 155.6 129.84 195.22

* - BASED ON INTERPOLATION Using 75 year mean annual Isohyetal Map

Monthly Rainfall Totals (mm) at Piarco, Trinidadfor the period January 2002 to September 2012

RAINFALL PIARCO2008 2009 2010 2011 2012 Mean (1961-1990) Mean (2002-2012)64.2 108.9 17.6 187.9 104.7 71.2 111.2

108.9 163.5 2.1 145.5 59.8 43.0 68.3

45.8 28.4 4.4 27.6 135.0 34.3 48.7

39.7 27.7 60.2 57.6 73.0 51.1 63.6

22.5 72.9 313.8 124.0 209.5 116.5 131.8

212.5 113.1 205.9 285.1 271.7 252.1 234.7

239.5 324.1 227.9 290.7 132.4 266.3 245.1

313.8 336.3 427.1 162.5 204.7 250.1 255.7

203.8 113.5 310.5 234.9 77.7 202.5 163.7

242.3 122.9 98.9 268.3 199.3 193.9

154.1 192.7 320.9 102.9 227.8 222.6

93.0 57.1 162.7 165.9 155.6 152.7

1869.8 1892.0

Janu

ary

Febr

uary

Mar

ch

Apr

il

May

June

July

Aug

ust

Sep

tem

ber

Oct

ober

Nov

embe

r

Dec

embe

r

0

100

200

300

400

500

600

700

800

900Scaled Monthly Rainfall - Penal and Navet

Navet

Pi-arco

Penal

Rain

fall

- mm

Thornthwaite Moisture Index Determination

PENAL 1970-2003

MonthRainfall Average PET

(mm) (mm)

J January 59.41 101.58

F February 35.88 91.81

M March 28.62 112.36

A April 42.64 117.33

M May 97.21 134.85

J June 210.36 134.22

J July 222.21 152.27

A August 208.70 141.99

S September 168.98 131.33

O October 166.31 131.22

N November 190.09 120.41

D December 129.84 107.16

Annual Rainfall = 1560 mm 1477 mm

Deficit (D) = Σdeficits -294.15 mm

Surplus (S) = Σsurpluses 377.87 mm

100(D/ PE) -19.92

100(S/ PE) 25.59

Penal TMI Thornthwaite1948 100S-60D / n

Thornthwaite/Mather 1955

Mather 1774 100(P/PE -1)

PIARCO 2002-2012

Aridity Index (Ia) =

Humidity Index (Ih) =

Ih - Ia

Month Rainfall Average PET(mm) (mm)

January 71.20 102.07

February 43.00 95.91

March 34.30 113.94

April 51.10 121.26

May 116.50 135.68

June 252.10 131.04

July 266.30 140.44

August 250.10 135.61

September 202.50 126.64

October 199.30 126.98

November 227.80 118.43

December 155.60 109.33




100(D/ PE) -17.12

100(S/ PE) 45.05

Piarco TMI Thornthwaite1948 100S-60D / n


Mather 1774 100(P/PE -1)

HOLLIS 1998-2007


January 139.34 102.07

February 118.95 95.91

March 65.40 113.94



Ih - Ia

April 55.70 121.26

May 170.03 135.68

June 329.38 131.04

July 365.15 140.44

August 388.07 135.61

September 297.46 126.64

October 366.09 126.98

November 435.80 118.43

December 239.21 109.33




100(D/ PE) -7.73

100(S/ PE) 110.21

Hollis TMI Thornthwaite1948 100S-60D / n


Mather 1774 100(P/PE -1)

MATELOT 1975-1993


January 120.86 102.07

February 105.63 95.91

March 72.60 113.94

April 95.90 121.26

May 153.05 135.68

June 265.03 131.04

July 318.43 140.44

August 287.07 135.61



Ih - Ia

September 215.84 126.64

October 281.80 126.98

November 332.99 118.43

December 319.25 109.33




100(D/ PE) -3.86

100(S/ PE) 79.11

Matelot TMI Thornthwaite1948 100S-60D / n


Mather 1774 100(P/PE -1)

NAVET 1967-1998Month Rainfall Average PET

(mm) (mm)

January 89.33 102.55

February 53.95 100.07

March 43.03 115.50

April 64.11 125.23

May 146.17 136.49

June 316.30 127.96

July 334.11 129.45

August 313.79 129.53

September 254.07 122.13

October 250.05 122.90

November 285.81 116.50

December 195.22 111.48




Ih - Ia



100(D/ PE) -12.41

100(S/ PE) 73.78

Navet TMI Thornthwaite1948 100S-60D / n


Mather 1774 100(P/PE -1)

MOISTURE BAL. DEFICIT / SURPLUS (mm)

COMPARISON PENAL PIARCO

January -42.17 -30.87

February -55.93 -52.91

March -83.74 -79.64

April -74.68 -70.16

May -37.64 -19.18

June 76.15 121.06

July 69.94 125.86

August 66.70 114.49

September 37.64 75.86

October 35.08 72.32

November 69.68 109.37



Ih - Ia

December 22.68 46.27


Surplus / Deficit Ia /Ih(mm) -

-42.17 -2.86

-55.93 -3.79

-83.74 -5.67

-74.68 -5.06

-37.64 -2.55

76.15 5.16

69.94 4.74

66.70 4.52

37.64 2.55

35.08 2.38

69.68 4.72

22.68 1.54

14 C2 - Moist - SubHumid

6 "

6 "


50

100

150

200

250

PENAL - Rainfall / ET : 1970 - 2003

P.E.

T - m

m


50

100

150

200

250

300

PIARCO - Rainfall / ET : 2002 - 2012

P.E.

T - m

m


-30.87 -2.09

-52.91 -3.58

-79.64 -5.39

-70.16 -4.75

-19.18 -1.30

121.06 8.20

125.86 8.52

114.49 7.75

75.86 5.14

72.32 4.90

109.37 7.41

46.27 3.13

35 B1 - Humid

28 "

28 "


37.27 2.52

23.03 1.56

-48.54 -3.29


50

100

150

200

250

300


P.E.

T - m

m


100

200

300

400

500

HOLLIS - Rainfall / ET : 1998 - 2007

P.E.

T - m

m

-65.56 -4.44

34.35 2.33

198.33 13.43

224.70 15.22

252.46 17.10

170.82 11.57

239.11 16.19

317.37 21.49

129.88 8.80

107 A - Perhumid

102 "

104 "


18.79 1.27

9.72 0.66

-41.34 -2.80

-25.37 -1.72

17.37 1.18

133.99 9.07

177.98 12.05

151.46 10.26


100

200

300

400

500


P.E.

T - m

m


50

100

150

200

250

300

350

MATELOT - Rainfall / ET : 2002 - 2012

P.E.

T - m

m

89.20 6.04

154.81 10.48

214.56 14.53

209.92 14.22

78 B3 - Humid

75 "

76 "


-13.22 -0.90

-46.12 -3.12

-72.47 -4.91

-61.11 -4.14

9.67 0.66

188.34 12.76

204.66 13.86

184.26 12.48

131.94 8.94

127.15 8.61

169.31 11.47

83.75 5.67


100

200

300

400

NAVET - Rainfall / ET : 1967 - 1998

P.E.

T - m

m

68 B3 Humid

61 B3 Humid

63 B3 Humid

DEFICIT / SURPLUS (mm)

HOLLIS MATELOT NAVET

37.27 18.79 -13.22

23.03 9.72 -46.12

-48.54 -41.34 -72.47

-65.56 -25.37 -61.11

34.35 17.37 9.67

198.33 133.99 188.34

224.70 177.98 204.66

252.46 151.46 184.26

170.82 89.20 131.94

239.11 154.81 127.15

317.37 214.56 169.31

January February March April May June July August September October November December

-150

-100

-50

0

50

100

150

200

250

300

350

DATA SITES MOISTURE BALANCE COMPARISON

PENAL PIARCO HOLLIS MATELOT NAVET

Defe

cit /

Sur

plus

- (m

m)

129.88 209.92 83.75


-150

-100

-50

0

50

100

150

200

250

300

350



Defe

cit /

Sur

plus

- (m

m)



50

100

150

200

250

PENAL - Rainfall / ET : 1970 - 2003

P.E.

T - m

m


-100

-80

-60

-40

-20

0

20

40

60

80

100

PENAL MOISTURE BALANCE

Time - (months)

Defe

cit /

Sur

plus

- (m

m)


50

100

150

200

250

300


P.E.

T - m

m


-100

-50

0

50

100

150

PIARCO MOISTURE BALANCE 2002 - 2012

Time - (months)

Defe

cit /

Sur

plus

- (m

m)


50

100

150

200

250

300


P.E.

T - m

m


-100

-50

0

50

100

150


Time - (months)De

feci

t / S

urpl

us -

(mm

)


100

200

300

400

500


P.E.

T - m

m


-100

-50

0

50

100

150

200

250

300

350

HOLLIS MOISTURE BALANCE 1998 - 2007

Time - (months)

Defe

cit /

Sur

plus

- (m

m)


100

200

300

400

500


P.E.

T - m

m


-100

-50

0

50

100

150

200

250

300

350


Time - (months)

Defe

cit /

Sur

plus

- (m

m)


50

100

150

200

250

300

350

MATELOT - Rainfall / ET : 2002 - 2012

P.E.

T - m

m


-100

-50

0

50

100

150

200

250

MATELOT MOISTURE BALANCE 2002 - 2012

Time - (months)

Defe

cit /

Sur

plus

- (m

m)


-100

-50

0

50

100

150

200

250


Time - (months)

Defe

cit /

Sur

plus

- (m

m)


100

200

300

400

NAVET - Rainfall / ET : 1967 - 1998

P.E.

T - m

m


-100

-50

0

50

100

150

200

250

NAVET MOISTURE BALANCE 1967 - 1998

Time - (months)

Defe

cit /

Sur

plus

- (m

m)


-150

-100

-50

0

50

100

150

200

250

300

350



Defe

cit /

Sur

plus

- (m

m)



-100

-80

-60

-40

-20

0

20

40

60

80

100


Time - (months)

Defe

cit /

Sur

plus

- (m

m)


-100

-50

0

50

100

150


Time - (months)

Defe

cit /

Sur

plus

- (m

m)


-100

-50

0

50

100

150


Time - (months)

Defe

cit /

Sur

plus

- (m

m)


-100

-50

0

50

100

150

200

250

300

350


Time - (months)

Defe

cit /

Sur

plus

- (m

m)


-100

-50

0

50

100

150

200

250

300

350


Time - (months)

Defe

cit /

Sur

plus

- (m

m)


-100

-50

0

50

100

150

200

250


Time - (months)

Defe

cit /

Sur

plus

- (m

m)


-100

-50

0

50

100

150

200

250


Time - (months)

Defe

cit /

Sur

plus

- (m

m)


-100

-50

0

50

100

150

200

250


Time - (months)

Defe

cit /

Sur

plus

- (m

m)


-150

-100

-50

0

50

100

150

200

250

300

350



Defe

cit /

Sur

plus

- (m

m)



-100

-80

-60

-40

-20

0

20

40

60

80

100


Time - (months)

Defe

cit /

Sur

plus

- (m

m)


-100

-50

0

50

100

150


Time - (months)

Defe

cit /

Sur

plus

- (m

m)


-100

-50

0

50

100

150


Time - (months)

Defe

cit /

Sur

plus

- (m

m)


-100

-50

0

50

100

150

200

250

300

350


Time - (months)

Defe

cit /

Sur

plus

- (m

m)


-100

-50

0

50

100

150

200

250

300

350


Time - (months)

Defe

cit /

Sur

plus

- (m

m)


-100

-50

0

50

100

150

200

250


Time - (months)

Defe

cit /

Sur

plus

- (m

m)


-100

-50

0

50

100

150

200

250


Time - (months)

Defe

cit /

Sur

plus

- (m

m)


-100

-50

0

50

100

150

200

250


Time - (months)

Defe

cit /

Sur

plus

- (m

m)

LocationTMI

#REF! 14

1870 35

Navet Dam Station #REF! 68

Matelot Station 2568 78

2971 107

Avarege Annual Rainfall Thornthwaithe

1948

Penal Demonstration Station

Piarco MET Office Station

Hollis Reservoir Station

TMI

Mather 1974

6 6

28 28

61 63

75 76

102 104

Thornthwaithe & Mather 1955

1800 2000 2200 2400 2600 2800 3000 32000

20

40

60

80

100

120

f(x) = 0.0647318701695241 x − 86.4358736392871f(x) = 0.0677260139420188 x − 98.7000204806335f(x) = 0.0686180343349652 x − 99.9999999999999

TMI - Average Annual Rainfall Relationship

Mather 1974Linear (Mather 1974)Thornthwaithe & Mather 1955Linear (Thorn-thwaithe & Mather 1955)

Averge Annual Rainfall - P (mm)

TMI

1800 2000 2200 2400 2600 2800 3000 32000

20

40

60

80

100

120

f(x) = 0.0647318701695241 x − 86.4358736392871f(x) = 0.0677260139420188 x − 98.7000204806335f(x) = 0.0686180343349652 x − 99.9999999999999




TMI

1800 2000 2200 2400 2600 2800 3000 32000

20

40

60

80

100

120

f(x) = 0.0686180343349652 x − 99.9999999999999


Mather 1974Linear (Mather 1974)

Averge Annual Rainfall (mm)

TMI

1800 2000 2200 2400 2600 2800 3000 32000

20

40

60

80

100

120

f(x) = 0.0647318701695241 x − 86.4358736392871f(x) = 0.0677260139420188 x − 98.7000204806335f(x) = 0.0686180343349652 x − 99.9999999999999




TMI

1800 2000 2200 2400 2600 2800 3000 32000

20

40

60

80

100

120

f(x) = 0.0686180343349652 x − 99.9999999999999




TMI

1800 2000 2200 2400 2600 2800 3000 32000

20

40

60

80

100

120

f(x) = 0.0686180343349652 x − 99.9999999999999




TMI

1800 2000 2200 2400 2600 2800 3000 32000

20

40

60

80

100

120

f(x) = 0.0647318701695241 x − 86.4358736392871R² = 0.998189909467502


Thornthwaithe 1948Linear (Thornthwaithe 1948)


TMI

1800 2000 2200 2400 2600 2800 3000 32000

20

40

60

80

100

120

f(x) = 0.0647318701695241 x − 86.4358736392871R² = 0.998189909467502




TMI

1800 2000 2200 2400 2600 2800 3000 32000

20

40

60

80

100

120

f(x) = 0.0647318701695241 x − 86.4358736392871R² = 0.998189909467502




TMI

1800 2000 2200 2400 2600 2800 3000 32000

20

40

60

80

100

120

f(x) = 0.0677260139420188 x − 98.7000204806335


Thornthwaithe & Mather 1955Linear (Thornthwaithe & Mather 1955)


TMI

1800 2000 2200 2400 2600 2800 3000 32000

20

40

60

80

100

120

f(x) = 0.0677260139420188 x − 98.7000204806335


Thornthwaithe & Mather 1955Linear (Thornthwaithe & Mather 1955)


TMI

GRID SYSTEM

Location Pi D

Grid Node (mm) (km)

a1 1400 0.313 10207 14290235

1600 0.374 7149 11438703

Σ= 17356 25728938

B1 1400 0.49 4165 5830904

1600 0.1 100000 160000000

Σ= 104165 165830904

C2 1800 0.12 69444 125000000

1600 0.41 5949 9518144

Σ= 75393 134518144

D2 1600 0.42 5669 9070295

1800 0.76 1731 3116343

Σ= 7400 12186638

D14 1200 0.08 156250 187500000

1400 0.29 11891 16646849

Σ= 168141 204146849

E2 1800 0.26 14793 26627219

1600 1.4 510 816327

Σ= 15303 27443545

E4 1600 1.25 640 1024000

1600 0.73 1877 3002439

1800 2.24 199 358737

Σ= 2716 4385177

E14 1400 0.18 30864 43209877

1600 0.18 30864 49382716

1800 0.62 2601 4682622

Σ= 64330 97275215

E15 - - - -

F2 1600 0.32 9766 15625000

Wx103 Pi(Wx103)(km-2) (mm/km2)

1800 1.16 743 1337693

Σ= 10509 16962693

F4 1600 0.44 5165 8264463

1800 1.25 640 1152000

2000 1.89 280 559895

Σ= 6085 9976358

F6 1600 0.3 11111 17777778

1800 0.924 1171 2108281

2000 1.39 518 1035143

Σ= 12800 20921202

F8 1600 0.5 4000 6400000

1800 0.923 1174 2112852

2000 1.3 592 1183432

Σ= 5766 9696284

F6 1600 0.08 156250 250000000

1800 0.99 1020 1836547

Σ= 157270 251836547

F12 1400 0.8 1562 2187500

1600 0.09 123457 197530864

Σ= 125019 199718364

F14 1600 0.26 14793 23668639

1800 0.2 25000 45000000

Σ= 39793 68668639

f15 - - - -

G2 1600 0.43 5408 8653326

1800 0.215 21633 38939968

Σ= 27042 47593294

G4 1600 1.1 826 1322314

1800 0.24 17361 31250000

Σ= 18188 32572314

G6 1800 0.08 156250 281250000

2000 0.47 4527 9053871

Σ= 160777 290303871

G8 1800 0.08 156250 281250000

2000 0.3 11111 22222222

Σ= 167361 303472222

G10 - - - -

G12 1800 0.11 82645 148760331

2000 0.455 4830 9660669

Σ= 87475 158421000

G14 2000 0.07 204082 408163265

2200 0.24 17361 38194444

Σ= 221443 446357710

G16 2200 0.155 41623 91571280

2400 0.117 73051 175323252

Σ= 114675 266894532

H2 1800 0.17 34602 62283737

2000 0.42 5669 11337868

Σ= 40271 73621606

H4 2000 0.09 123457 246913580

2200 0.31 10406 22892820

Σ= 133863 269806400

H6 - - - -

H8 2200 0.3 11111 24444444

2400 0.13 59172 142011834

Σ= 70283 166456279

H10 2200 0.145 47562 104637337

2400 0.31 10406 24973985

Σ= 57968 129611322

H12 2200 0.2 25000 55000000

2400 0.22 20661 49586777

Σ= 45661 104586777

H14 2400 0.18 30864 74074074

2600 0.16 39063 101562500

Σ= 69927 175636574

H16 - - - -

I2 - - - -

I4 2200 0.39 6575 14464168

2400 0.13 59172 142011834

Σ= 65746 156476003

I6 2600 0.19 27701 72022161

2800 0.1 100000 280000000

Σ= 127701 352022161

I8 2600 0.68 2163 5622837

2800 0.56 3189 8928571

Σ= 5351 14551409

I10 2600 0.3 11111 28888889

2800 0.41 5949 16656752

Σ= 17060 45545641

I12 2800 0.12 69444 194444444

3000 0.06 277778 833333333

Σ= 347222 1027777778

I14 3200 0.16 39063 125000000

3400 0.03 1111111 3777777778

Σ= 1150174 3902777778

I16 3000 0.08 156250 468750000

3200 0.05 400000 1280000000

Σ= 556250 1748750000

J2 2000 0.14 51020 102040816

2200 0.38 6925 15235457

Σ= 57946 117276273

J4 2200 0.21 22676 49886621

2400 0.22 20661 49586777

Σ= 43337 99473398

J6 2200 0.33 9183 20202020

2400 0.2 25000 60000000

Σ= 34183 80202020

J8 - - - -

J10 2400 0.19 27701 66481994

2600 0.17 34602 89965398

Σ= 62303 156447392

J12 - - - -

J14 - - - -

J16 - - - -

j3 2000 0.2 25000 50000000

2200 0.25 16000 35200000

Σ= 41000 85200000

j7 2000 0.32 9766 19531250

2200 0.11 82645 181818182

Σ= 92410 201349432

j13 - - - -

J17 - - - -

K16 2200 0.05 400000 880000000

2400 0.15 44444 106666667

Σ= 444444 986666667

K17 2200 0.12 69444 152777778

2400 0.18 30864 74074074

Σ= 100309 226851852

GRID SYSTEM GRID SYSTEM

P TMI Location Pi D(mm) - Grid Node (mm) (km)

D3 1600 0.91

1800 1.01

1482 9 Σ=

E3 1600 0.765

1800 1.8

1592 16 Σ=

F3 1600 0.82

1800 1.11

1784 29 Σ=

G3 1800 0.158

2000 1

1647 20 Σ=

H3

I3 2000 0.5

1214 -8 2200 0.107

Σ=

J3 2200 0.09

1793 30 2400 0.59

Σ=

j5 2000 0.18

2200 0.18

1615 18 Σ=

C1 1600 0.09

1800 0.4

1512 11 Σ=

1800 30 D1 1600 0.083

1800 0.89

Σ=

1614 18 E1 1600 0.265

1800 1.84

Σ=

F1 1600 0.155

1639 20 1800 1.35

Σ=

G1 1600 0.08

1800 0.59

1634 19 Σ=

F5

G5 1600 0.26

1800 0.2

1682 22 Σ=

H5 2000 0.43

2200 0.215

1601 17 Σ=

I5 2400 1.1

2600 0.24

1598 17 Σ=

J5 2200 0.08

2400 0.47

1726 25 Σ=

2000 43 d4 1600 0.271

1800 1.57

Σ=

1760 27 -

F7 1600 0.46

1800 0.85

1791 29 Σ=

G7 1800 0.17

2000 0.28

1806 30 Σ=

H7 2200 0.206

2400 0.161

1813 31 Σ=

1800 30 I7 2600 0.366

2800 0.09

Σ=

1811 31 J7 2200 0.411

2600 0.1

Σ=

2016 44 -

F9 1600 0.203

1800 0.93

2327 65 Σ=

G9 1800 0.07

2000 0.36

1828 32 Σ=

H9 2200 0.204

2400 0.228

2016 44 Σ=

2200 56 I9 2600 0.31

2800 1.02

Σ=

2368 67 J9 2400 0.102

2600 0.25

Σ=

2236 59 F11 1600 0.07

1800 1.06

Σ=

2290 62 G11 1600 1.08

1800 0.076

Σ=

2512 77 H11 2200 0.102

2600 82 2400 0.335

2000 43 Σ=

I11 2600 0.21

2800 0.117

2380 68 Σ=

J11 2400 0.131

2600 0.128

2757 93 Σ=

j11 2200 0.076

2400 0.37

2719 90 Σ=

e13 1400 0.17

1600 0.49

2670 87 Σ=

F13

G13 1800 0.32

2960 106 2000 0.29

Σ=

H13 2200 0.26

3393 134 2400 0.11

Σ=

I13 -

3144 118 J13 2600 0.13

2800 0.06

Σ=

2024 45 G15 -

H15 2800 0.1

3000 0.086

2295 62 Σ=

I15

J15

2346 66 j15 2400 0.11

2400 69 2600 0.07

Σ=

d14

2511 77 d15 1400 0.33

2600 82 1600 0.06

2800 95 Σ=

3200 122 e14

e15 1800 0.114

2000 0.3

2078 48 Σ=

2179 55

2200 56

2600 82

2220 58

2262 60

GRID SYSTEM

P TMI(mm) -

1208 1932134

980 1764533

2188 3696667 1690 231709 2733991

309 555556

2017 3289547 1631 191487 2379536

812 1460920

2299 3840456 1671 2240058 72103830

1000 2000000

41058 74103830 1805 30

2000 434000 8000000

87344 192156520

91344 200156520 2191 56123457 271604938

2873 6894571

126330 278499509 2205 5730864 61728395

30864 67901235

61728 129629630 2100 50

123457 197530864

6250 11250000

129707 208780864 1610 18145159 232254318

1262 2272440

Wx103 Pi(Wx103)(km-2) (mm/km2)

146421 234526759 1602 1714240 22783909

295 531664

14535 23315572 1604 1741623 66597294

549 987654

42172 67584949 1603 17156250 250000000

2873 5170928

159123 255170928 1604 17

1600 1714793 23668639

25000 45000000

39793 68668639 1726 255408 10816658

21633 47593294

27042 58409951 2160 54826 1983471

17361 45138889

18188 47122360 2591 82156250 343750000

4527 10864645

160777 354614645 2206 5713616 21786196

406 730253

14022 22516448 1606 17

- - 1800 304726 7561437

1384 2491349

6110 10052786 1645 2034602 62283737

12755 25510204

47357 87793941 1854 3423565 51842775

38579 92589020

62144 144431795 2324 647465 19409358

123457 345679012

130922 365088371 2789 955920 13023840

100000 260000000

105920 273023840 2578 81

- -

24267 38826470

1156 2081165

25423 40907635 1609 18204082 367346939

7716 15432099

211798 382779038 1807 3124029 52864283

19237 46168052

43266 99032335 2289 6210406 27055151

961 2691273

11367 29746423 2617 8396117 230680507

16000 41600000

112117 272280507 2429 71204082 326530612

890 1601994

204972 328132606 1601 17857 1371742

173130 311634349

173988 313006091 1799 3096117 211457132

8911 21385609

105028 232842741 2217 5722676 58956916

73051 204543794

95727 263500710 2753 92

58272 139851990

61035 158691406

119307 298543396 2502 76173130 380886427

7305 17531045

180435 398417471 2208 5734602 48442907

4165 6663890

38767 55106797 1421 5

1600 179766 17578125

11891 23781213

21656 41359338 1910 3714793 32544379

82645 198347107

97438 230891486 2370 67

- - 3200 12259172 153846154

277778 777777778

336949 931623932 2765 93

- - 2400 69100000 280000000

135208 405624662

235208 685624662 2915 103

3600 148

3000 10982645 198347107

204082 530612245

286726 728959352 2542 79

1400 49183 12855831

277778 444444444

286961 457300275 1594 17

1600 1776947 138504155

11111 22222222

88058 160726377 1825 32

Grid Node Coordinates P TMI - x y (mm) -

a1 5 5 1482 9B1 10 5 1592 16C1 20 5 1610 18D1 30 5 1602 17E1 40 5 1604 17F1 50 5 1603 17G1 60 5 1604 17C2 20 10 1784 29D2 30 10 1647 20E2 40 10 1793 30F2 50 10 1614 18G2 60 10 1760 27H2 70 10 1828 32I2 80 10 2000 43J2 90 10 2024 45D3 30 15 1690 23E3 40 15 1631 19F3 50 15 1671 22G3 60 15 1805 30H3 70 15 2000 43I3 80 15 2191 56J3 90 15 2205 57j3 95 15 2078 48d4 35 20 1606 17E4 40 20 1615 18F4 50 20 1639 20G4 60 20 1791 29H4 70 20 2016 44I4 80 20 2380 68J4 90 20 2295 62F5 50 25 1600 17G5 60 25 1726 25H5 70 25 2160 54I5 80 25 2591 82J5 90 25 2206 57j5 95 25 2100 50F6 50 30 1634 19G6 60 30 1806 30H6 70 30 2200 56I6 80 30 2757 93J6 90 30 2346 66

F7 50 35 1645 20G7 60 35 1854 34H7 70 35 2324 64I7 80 35 2789 95J7 90 35 2578 81j7 95 35 2179 55F8 50 40 1682 22G8 60 40 1813 31H8 70 40 2368 67I8 80 40 2719 90J8 90 40 2400 69F9 50 45 1609 18G9 60 45 1807 31H9 70 45 2289 62I9 80 45 2617 83J9 90 45 2429 71

F10 50 50 1601 17G10 60 50 1800 30H10 70 50 2236 59I10 80 50 2670 87J10 90 50 2511 77F11 50 55 1601 17G11 60 55 1799 30H11 70 55 2217 57I11 80 55 2753 92J11 90 55 2502 76j11 95 55 2208 57F12 50 60 1598 17G12 60 60 1811 31H12 70 60 2290 62I12 80 60 2960 106J12 90 60 2600 82e13 45 65 1421 5F13 50 65 1600 17G13 60 65 1910 37H13 70 65 2370 67I13 80 65 3200 122J13 90 65 2765 93j13 95 65 2200 56D14 30 70 1214 -8d14 35 70 1400 4E14 40 70 1512 11e14 45 70 1600 17F14 50 70 1726 25G14 60 70 2016 44

H14 70 70 2512 77I14 80 70 3393 134J14 90 70 2800 95d15 35 75 1594 17E15 40 75 1800 30e15 45 75 1825 32F15 50 75 2000 43G15 60 75 2400 69H15 70 75 2915 103I15 80 75 3600 148J15 90 75 3000 109j15 95 75 2542 79

G16 60 80 2327 65H16 70 80 2600 82I16 80 80 3144 118J16 90 80 3200 122K16 100 80 2220 58J17 90 85 2600 82K17 100 85 2262 60

Equil. Suction Grid Node Coordinates(z) - x y3.2 F7 50 353.0 G7 60 353.0 H7 70 353.0 I7 80 353.0 J7 90 353.0 j7 95 353.0 F8 50 402.7 G8 60 402.9 H8 70 402.7 I8 80 403.0 J8 90 402.7 F9 50 452.6 G9 60 452.4 H9 70 452.3 I9 80 452.8 J9 90 452.9 F10 50 502.9 G10 60 502.6 H10 70 502.4 I10 80 502.1 J10 90 502.1 F11 50 552.2 G11 60 553.0 H11 70 553.0 I11 80 552.9 J11 90 552.7 j11 95 552.3 F12 50 601.9 G12 60 602.0 H12 70 603.0 I12 80 602.8 J12 90 602.1 e13 45 651.7 F13 50 652.1 G13 60 652.2 H13 70 652.9 I13 80 652.6 J13 90 652.1 j13 95 651.5 D14 30 701.9 d14 35 70

2.9 E14 40 702.6 e14 45 701.9 F14 50 701.5 G14 60 701.7 H14 70 702.1 I14 80 702.8 J14 90 702.6 d15 35 751.9 E15 40 751.5 e15 45 751.9 F15 50 753.0 G15 60 752.6 H15 70 752.0 I15 80 751.6 J15 90 751.8 j15 95 753.0 G16 60 802.6 H16 70 802.0 I16 80 801.6 J16 90 801.7 K16 100 803.0 J17 90 852.7 K17 100 852.11.51.82.13.02.62.01.31.73.33.02.51.91.21.52.13.73.43.13.02.82.3

1.71.01.53.02.62.62.41.91.40.91.31.71.91.71.21.22.11.72.0

P TMI Equil. Suction(mm) - (z)1645 20 2.91854 34 2.62324 64 1.92789 95 1.52578 81 1.72179 55 2.11682 22 2.81813 31 2.62368 67 1.92719 90 1.52400 69 1.91609 18 3.01807 31 2.62289 62 2.02617 83 1.62429 71 1.81601 17 3.01800 30 2.62236 59 2.02670 87 1.62511 77 1.71601 17 3.01799 30 2.72217 57 2.12753 92 1.52502 76 1.82208 57 2.11598 17 3.01811 31 2.62290 62 2.02960 106 1.32600 82 1.71421 5 3.31600 17 3.01910 37 2.52370 67 1.93200 122 1.22765 93 1.52200 56 2.11214 -8 3.71400 4 3.4

1512 11 3.11600 17 3.01726 25 2.82016 44 2.32512 77 1.73393 134 1.02800 95 1.51594 17 3.01800 30 2.61825 32 2.62000 43 2.42400 69 1.92915 103 1.43600 148 0.93000 109 1.32542 79 1.72327 65 1.92600 82 1.73144 118 1.23200 122 1.22220 58 2.12600 82 1.72262 60 2.0

Evpotranspriation Based on the Thornthwaite Method - Penal Site

Latitude of Trinidad

1970Month Air Temp. Mthly Heat Index Unadjusted P.E.T. Adjustment

i e Factors

January 23.9 10.68 9.62 cm 1

February 23.9 10.68 9.62 cm 0.91

March 23.9 10.68 9.62 cm 1.03

April 24.4 11.02 10.30 cm 1.03

May 25.6 11.85 12.06 cm 1.08

June 25.6 11.85 12.06 cm 1.06

July 25.6 11.85 12.06 cm 1.08

August 26.1 12.21 12.86 cm 1.07

September 26.1 12.21 12.86 cm 1.02

October 26.7 12.63 13.85 cm 1.02

November 25.6 11.85 12.06 cm 0.98

December 24.4 11.02 10.30 cm 0.99

138.55 Annual PET



i e Factors

January 23.9 10.68 9.62 cm 1

February 23.9 10.68 9.62 cm 0.91

March 23.9 10.68 9.62 cm 1.03

April 24.4 11.02 10.30 cm 1.03

May 25.6 11.85 12.06 cm 1.08

June 25.6 11.85 12.06 cm 1.06

July 25.6 11.85 12.06 cm 1.08

August 26.1 12.21 12.86 cm 1.07

September 26.1 12.21 12.86 cm 1.02

10O North

oC


oC

October 26.7 12.63 13.85 cm 1.02

November 25.6 11.85 12.06 cm 0.98

December 24.4 11.02 10.30 cm 0.99

138.55 Annual PET



i e Factors

January 23.9 10.68 9.13 cm 1

February 24.4 11.02 9.86 cm 0.91

March 25.0 11.44 10.78 cm 1.03

April 25.6 11.83 11.69 cm 1.03

May 26.1 12.21 12.63 cm 1.08

June 26.1 12.21 12.63 cm 1.06

July 31.7 16.36 25.68 cm 1.08

August 27.2 12.99 14.69 cm 1.07

September 26.7 12.61 13.67 cm 1.02

October 26.7 12.61 13.67 cm 1.02

November 26.3 12.35 12.99 cm 0.98

December 26.3 12.35 12.99 cm 0.99

148.64 Annual PET



i e Factors

January 25.0 11.44 10.92 cm 1

February 25.0 11.44 10.92 cm 0.91

March 25.5 11.78 11.71 cm 1.03

April 26.0 12.13 12.54 cm 1.03

May 26.0 12.13 12.54 cm 1.08

June 26.0 12.13 12.54 cm 1.06

July 26.0 12.13 12.54 cm 1.08


oC


oC

August 27.0 12.85 14.34 cm 1.07

September 27.0 12.85 14.34 cm 1.02

October 27.0 12.85 14.34 cm 1.02

November 26.0 12.13 12.54 cm 0.98

December 25.0 11.44 10.92 cm 0.99

145.31 Annual PET



i e Factors

January 24.0 10.75 9.46 cm 1

February 24.0 10.75 9.46 cm 0.91

March 25.0 11.44 10.93 cm 1.03

April 26.0 12.13 12.55 cm 1.03

May 27.0 12.85 14.34 cm 1.08

June 27.0 12.85 14.34 cm 1.06

July 26.0 12.13 12.55 cm 1.08

August 27.0 12.85 14.34 cm 1.07

September 27.0 12.85 14.34 cm 1.02

October 26.0 12.13 12.55 cm 1.02

November 27.0 12.85 14.34 cm 0.98

December 25.0 11.44 10.93 cm 0.99

145.02 Annual PET



i e Factors

January 24.0 10.75 9.53 cm 1

February 24.0 10.75 9.53 cm 0.91

March 25.0 11.44 10.98 cm 1.03

April 25.0 11.44 10.98 cm 1.03

May 26.0 12.13 12.59 cm 1.08

June 26.0 12.13 12.59 cm 1.06


oC


oC

July 27.0 12.85 14.35 cm 1.08

August 27.0 12.85 14.35 cm 1.07

September 27.0 12.85 14.35 cm 1.02

October 27.0 12.85 14.35 cm 1.02

November 26.0 12.13 12.59 cm 0.98

December 25.0 11.44 10.98 cm 0.99

143.60 Annual PET



i e Factors

January 24.2 10.89 9.57 cm 1

February 24.9 11.37 10.63 cm 0.91

March 26.3 12.35 12.99 cm 1.03

April 25.7 11.92 11.93 cm 1.03

May 26.6 12.53 13.45 cm 1.08

June 26.1 12.21 12.63 cm 1.06

July 27.3 13.03 14.79 cm 1.08

August 27.5 13.17 15.19 cm 1.07

September 27.1 12.92 14.50 cm 1.02

October 27.4 13.14 15.09 cm 1.02

November 26.8 12.67 13.82 cm 0.98

December 26.3 12.35 12.99 cm 0.99

148.53 Annual PET



i e Factors

January 24.9 11.37 10.55 cm 1

February 25.1 11.50 10.87 cm 0.91

March 25.9 12.06 12.22 cm 1.03

April 26.3 12.35 12.94 cm 1.03

May 27.4 13.14 15.08 cm 1.08


oC


oC

June 27.1 12.92 14.47 cm 1.06

July 27.2 12.99 14.67 cm 1.08

August 27.5 13.21 15.29 cm 1.07

September 27.5 13.21 15.29 cm 1.02

October 27.0 12.85 14.28 cm 1.02

November 26.4 12.42 13.13 cm 0.98

December 26.0 12.13 12.40 cm 0.99

150.15 Annual PET



i e Factors

January 24.9 11.33 10.68 cm 1

February 25.4 11.71 11.54 cm 0.91

March 22.8 9.91 7.81 cm 1.03

April 25.9 12.06 12.37 cm 1.03

May 26.6 12.53 13.51 cm 1.08

June 26.4 12.42 13.24 cm 1.06

July 26.8 12.67 13.87 cm 1.08

August 27.0 12.85 14.34 cm 1.07

September 27.1 12.88 14.43 cm 1.02

October 26.8 12.67 13.87 cm 1.02

November 26.3 12.35 13.06 cm 0.98

December 26.1 12.17 12.62 cm 0.99

145.55 Annual PET



i e Factors

January 25.3 11.61 11.23 cm 1

February 25.5 11.78 11.63 cm 0.91

March 24.9 11.37 10.67 cm 1.03

April 25.2 11.57 11.14 cm 1.03


oC


oC

May 26.5 12.49 13.38 cm 1.08

June 26.8 12.67 13.84 cm 1.06

July 26.8 12.70 13.93 cm 1.08

August 27.0 12.81 14.22 cm 1.07

September 27.4 13.10 15.00 cm 1.02

October 27.3 13.03 14.80 cm 1.02

November 26.7 12.63 13.74 cm 0.98

December 25.5 11.78 11.63 cm 0.99

147.55 Annual PET



i e Factors

January 25.4 11.71 11.37 cm 1

February 26.0 12.13 12.41 cm 0.91

March 26.1 12.21 12.59 cm 1.03

April 24.4 11.02 9.79 cm 1.03

May 27.0 12.85 14.28 cm 1.08

June 27.4 13.14 15.08 cm 1.06

July 27.2 12.99 14.68 cm 1.08

August 27.7 13.36 15.71 cm 1.07

September 27.6 13.28 15.50 cm 1.02

October 27.0 12.85 14.28 cm 1.02

November 26.2 12.24 12.68 cm 0.98

December 26.1 12.21 12.59 cm 0.99

149.99 Annual PET



i e Factors

January 25.6 11.82 11.70 cm 1

February 25.4 11.71 11.45 cm 0.91

March 25.8 11.96 12.03 cm 1.03


oC


oC

April 26.2 12.28 12.82 cm 1.03

May 26.7 12.63 13.73 cm 1.08

June 26.4 12.38 13.09 cm 1.06

July 27.0 12.81 14.21 cm 1.08

August 27.2 12.96 14.60 cm 1.07

September 27.1 12.92 14.50 cm 1.02

October 24.6 11.16 10.18 cm 1.02

November 26.9 12.74 14.02 cm 0.98

December 26.9 12.78 14.11 cm 0.99

148.15 Annual PET



i e Factors

January 24.7 11.23 10.71 cm 1

February 24.7 11.23 10.71 cm 0.91

March 25.1 11.47 11.22 cm 1.03

April 25.4 11.71 11.75 cm 1.03

May 24.0 10.75 9.74 cm 1.08

June 26.1 12.21 12.85 cm 1.06

July 25.2 11.57 11.45 cm 1.08

August 25.2 11.57 11.45 cm 1.07

September 25.2 11.57 11.45 cm 1.02

October 25.2 11.57 11.45 cm 1.02

November 26.4 12.42 13.35 cm 0.98

December 25.1 11.50 11.30 cm 0.99

138.81 Annual PET



i e Factors

January 24.9 11.37 11.23 cm 1

February 24.7 11.19 10.89 cm 0.91


oC


oC

March 25.2 11.57 11.65 cm 1.03

April 25.7 11.92 12.36 cm 1.03

May 25.3 11.64 11.79 cm 1.08

June 25.3 11.64 11.79 cm 1.06

July 24.1 10.82 10.17 cm 1.08

August 24.1 10.82 10.17 cm 1.07

September 22.9 10.01 8.71 cm 1.02

October 24.0 10.75 10.04 cm 1.02

November 24.5 11.09 10.69 cm 0.98

December 20.2 8.28 5.95 cm 0.99

131.11 Annual PET



i e Factors

January 22.1 9.49 8.72 cm 1

February 18.4 7.19 5.59 cm 0.91

March 23.4 10.35 10.02 cm 1.03

April 22.0 9.42 8.62 cm 1.03

May 22.3 9.62 8.91 cm 1.08

June 22.5 9.75 9.11 cm 1.06

July 24.7 11.23 11.42 cm 1.08

August 21.5 9.10 8.16 cm 1.07

September 20.1 8.22 6.93 cm 1.02

October 22.4 9.68 9.01 cm 1.02

November 19.9 8.10 6.76 cm 0.98

December 19.2 7.67 6.20 cm 0.99

109.81 Annual PET



i e Factors

January 26.6 12.56 13.23 cm 1


oC


oC

February 26.3 12.33 12.61 cm 0.91

March 26.6 12.56 13.24 cm 1.03

April 28.5 13.97 17.64 cm 1.03

May 28.4 13.85 17.25 cm 1.08

June 27.6 13.31 15.50 cm 1.06

July 27.4 13.12 14.89 cm 1.08

August 28.0 13.55 16.26 cm 1.07

September 28.4 13.86 17.29 cm 1.02

October 28.2 13.69 16.73 cm 1.02

November 27.6 13.28 15.41 cm 0.98

December 26.7 12.65 13.50 cm 0.99

158.74 Annual PET




Adjusted P.E.T(mm)

96.22

87.56

99.11

106.10

130.28

127.87

130.28

137.56

131.13

141.31

118.22

101.97

1407.61 mm

Adjusted P.E.T(mm)

96.22

87.56

99.11

106.10

130.28

127.87

130.28

137.56

131.13

January February March April May June July August September October November December0.00

20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00

Month P.E.T Variation

Monthly PET - 1970 Avg PET 1970 : 2003

P.E.

T - m

m


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00



P.E.

T - m

m

141.31

118.22

101.97

1407.61 mm

Adjusted P.E.T(mm)

91.26

89.74

111.05

120.45

136.37

133.84

277.30

157.20

139.42

139.42

127.26

128.55

1651.85 mm

Adjusted P.E.T(mm)

109.19

99.36

120.63

129.21

135.48

132.97

135.48


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00



P.E.

T - m

m


50.00

100.00

150.00

200.00

250.00

300.00


Monthly PET 1977 Avg PET 1970 : 2003

P.E.

T - m

m


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00

180.00



P.E.

T - m

m

153.41

146.24

146.24

122.94

108.10

1539.25 mm

Adjusted P.E.T(mm)

94.64

86.12

112.58

129.29

154.87

152.00

135.56

153.44

146.27

128.03

140.53

108.21

1541.55 mm

Adjusted P.E.T(mm)

95.31

86.73

113.13

113.13

135.95

133.43


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00

180.00



P.E.

T - m

m


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00

180.00



P.E.

T - m

m


90.00

100.00

110.00

120.00

130.00

140.00

150.00

160.00


Montly PET - 1986 Avg PET 1970 : 2003

P.E.

T - m

m

154.99

153.56

146.38

146.38

123.36

108.74

1511.11 mm

Adjusted P.E.T(mm)

95.74

96.72

133.78

122.93

145.22

133.87

159.75

162.57

147.86

153.94

135.45

128.58

1616.41 mm

Adjusted P.E.T(mm)

105.55

98.96

125.92

133.32

162.88


90.00

100.00

110.00

120.00

130.00

140.00

150.00

160.00



P.E.

T - m

m


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00

180.00



P.E.

T - m

m


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00

180.00



P.E.

T - m

m

153.43

158.49

163.58

155.94

145.62

128.66

122.78

1655.12 mm

Adjusted P.E.T(mm)

106.79

105.02

80.40

127.39

145.85

140.30

149.79

153.38

147.18

141.47

127.98

124.98

1550.54 mm

Adjusted P.E.T(mm)

112.25

105.87

109.91

114.79


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00

180.00


Montly PET - 1995 Avg PET 1970 : 2003P.

E.T

- mm


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00

180.00



P.E.

T - m

m


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00

180.00



P.E.

T - m

m

144.45

146.69

150.47

152.13

152.98

150.96

134.70

115.17

1590.37 mm

Adjusted P.E.T(mm)

113.74

112.91

129.63

100.88

154.21

159.88

158.51

168.06

158.07

145.65

124.22

124.60

1650.37 mm

Adjusted P.E.T(mm)

116.95

104.16

123.94


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00

180.00


Montly PET - 1997 Avg PET 1970 : 2003P.

E.T

- mm


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00

180.00



P.E.

T - m

m


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00

180.00



P.E.

T - m

m

132.03

148.33

138.74

153.46

156.20

147.90

103.89

137.37

139.72

1602.69 mm

Adjusted P.E.T(mm)

107.14

97.50

115.60

121.01

105.24

136.22

123.62

122.47

116.75

116.75

130.78

111.84

1404.92 mm

Adjusted P.E.T(mm)

112.29

99.10


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00

180.00



P.E.

T - m

m


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00



P.E.

T - m

m


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00



P.E.

T - m

m

119.95

127.32

127.29

124.93

109.82

108.80

88.81

102.42

104.76

58.88

1284.39 mm

Adjusted P.E.T(mm)

87.20

50.89

103.16

88.83

96.25

96.54

123.32

87.28

70.67

91.90

66.27

61.38

1023.68 mm

Adjusted P.E.T(mm)

132.28


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00



P.E.

T - m

m


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00



P.E.

T - m

m


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00

180.00

200.00



P.E.

T - m

m

114.73

136.38

181.68

186.32

164.30

160.79

173.96

176.33

170.62

151.00

133.67

1882.06 mm


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00

180.00

200.00



P.E.

T - m

m



20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00



P.E.

T - m

m


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00



P.E.

T - m

m


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00



P.E.

T - m

m


50.00

100.00

150.00

200.00

250.00

300.00



P.E.

T - m

m


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00

180.00



P.E.

T - m

m


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00

180.00



P.E.

T - m

m


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00

180.00



P.E.

T - m

m


90.00

100.00

110.00

120.00

130.00

140.00

150.00

160.00



P.E.

T - m

m


90.00

100.00

110.00

120.00

130.00

140.00

150.00

160.00



P.E.

T - m

m


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00

180.00



P.E.

T - m

m


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00

180.00



P.E.

T - m

m


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00

180.00



P.E.

T - m

m


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00

180.00



P.E.

T - m

m


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00

180.00



P.E.

T - m

m


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00

180.00



P.E.

T - m

m


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00



P.E.

T - m

m


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00



P.E.

T - m

m


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00



P.E.

T - m

m


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00



P.E.

T - m

m


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00

180.00

200.00



P.E.

T - m

m


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00

180.00

200.00



P.E.

T - m

m

AVG. 1970 - 2003

104.548

95.184

114.642

122.154

139.955

137.680

150.745

146.323

137.690

135.369

124.483

106.078

Evpotranspriation Based on the Thornthwaithe Medhod - Navet Dam Site

1967


January 23.6 10.49 9.34 cm

February 24.2 10.86 10.06 cm

March 25.3 11.63 11.63 cm

April 25.8 12.02 12.47 cm

May 26.1 12.22 12.92 cm

June 25.0 11.44 11.22 cm

July 25.0 11.44 11.22 cm

August 25.0 11.44 11.22 cm

September 25.0 11.44 11.22 cm

October 24.7 11.24 10.82 cm

November 25.0 11.44 11.23 cm

December 24.2 10.86 10.06 cm

136.50


1972Month Air Temp. Mthly Heat Index Unadjusted P.E.T.

i e

January 25.3 11.61 11.18 cm

February 25.0 11.40 10.70 cm

March 25.8 11.99 12.10 cm

April 26.4 12.38 13.08 cm

May 26.6 12.56 13.54 cm

June 26.6 12.56 13.54 cm

July 26.9 12.78 14.11 cm

August 26.9 12.78 14.11 cm

oC


oC

September 27.5 13.17 15.19 cm

October 27.5 13.17 15.19 cm

November 26.4 12.38 13.08 cm

December 25.6 11.82 11.68 cm

148.61



i e

January 24.7 11.19 10.82 cm

February 25.0 11.44 11.30 cm

March 25.0 11.44 11.30 cm

April 25.3 11.61 11.66 cm

May 25.8 11.99 12.47 cm

June 25.5 11.78 12.02 cm

July 25.0 11.40 11.23 cm

August 24.7 11.23 10.89 cm

September 23.9 10.65 9.76 cm

October 24.4 11.02 10.48 cm

November 23.3 10.28 9.08 cm

December 22.2 9.52 7.75 cm

133.55



i e

January 23.2 10.23 8.78 cm

February 25.6 11.86 12.09 cm

March 24.4 11.01 10.30 cm

April 25.4 11.70 11.74 cm

May 26.3 12.33 13.14 cm

June 26.2 12.30 13.08 cm

July 25.5 11.78 11.91 cm


oC


oC

August 25.5 11.80 11.96 cm

September 24.5 11.10 10.49 cm

October 24.0 10.77 9.82 cm

November 25.7 11.90 12.19 cm

December 24.5 11.09 10.47 cm

137.86



i e

January 24.3 10.93 10.13 cm

February 23.7 10.55 9.37 cm

March 25.0 11.44 11.16 cm

April 25.6 11.85 12.07 cm

May 25.9 12.06 12.52 cm

June 25.5 11.78 11.91 cm

July 25.0 11.44 11.16 cm

August 25.2 11.55 11.40 cm

September 25.8 12.01 12.43 cm

October 25.7 11.92 12.22 cm

November 25.3 11.64 11.61 cm

December 24.7 11.23 10.73 cm

138.40



i e

January 23.9 10.68 9.58 cm

February 23.9 10.68 9.59 cm

March 23.9 10.68 9.58 cm

April 25.0 11.44 11.14 cm

May 25.6 11.83 11.98 cm

June 25.0 11.44 11.14 cm

July 25.6 11.83 11.98 cm


oC


oC

August 26.1 12.21 12.84 cm

September 26.1 12.21 12.84 cm

October 26.7 12.61 13.80 cm

November 26.1 12.21 12.84 cm

December 25.0 11.44 11.14 cm

139.22



i e

January 25.0 11.44 11.00 cm

February 25.6 11.83 11.88 cm

March 26.1 12.21 12.77 cm

April 26.1 12.21 12.77 cm

May 26.7 12.61 13.76 cm

June 25.6 11.83 11.88 cm

July 25.6 11.83 11.88 cm

August 25.6 11.83 11.88 cm

September 25.6 11.83 11.88 cm

October 25.6 11.83 11.88 cm

November 26.1 12.21 12.77 cm

December 25.0 11.44 11.00 cm

143.05



i e

January 24.4 11.02 10.07 cm

February 25.6 11.83 11.84 cm

March 25.6 11.83 11.84 cm

April 26.7 12.61 13.74 cm

May 26.7 12.61 13.74 cm

June 26.1 12.21 12.74 cm

July 26.1 12.21 12.74 cm

August 26.1 12.21 12.74 cm


oC


oC

September 25.0 11.44 10.96 cm

October 26.7 12.61 13.74 cm

November 26.1 12.21 12.74 cm

December 25.0 11.44 10.96 cm

144.20



i e

January 24.4 11.02 10.17 cm

February 25.0 11.44 11.05 cm

March 25.6 11.83 11.91 cm

April 26.7 12.61 13.77 cm

May 26.1 12.21 12.79 cm

June 25.6 11.83 11.91 cm

July 25.6 11.83 11.91 cm

August 25.0 11.44 11.05 cm

September 25.6 11.83 11.91 cm

October 25.6 11.83 11.91 cm

November 26.1 12.21 12.79 cm

December 25.6 11.83 11.91 cm

141.87



i e

January 24.4 11.02 10.22 cm

February 25.0 11.44 11.09 cm

March 24.4 11.02 10.22 cm

April 26.1 12.21 12.82 cm

May 26.1 12.21 12.82 cm

June 25.5 11.78 11.86 cm

July 25.0 11.44 11.09 cm


oC


oC

August 25.5 11.78 11.86 cm

September 26.1 12.21 12.82 cm

October 26.1 12.21 12.82 cm

November 25.5 11.78 11.86 cm

December 25.0 11.44 11.09 cm

140.52



i e

January 23.0 10.08 8.94 cm

February 24.0 10.75 10.14 cm

March 24.0 10.75 10.14 cm

April 24.0 10.75 10.14 cm

May 24.0 10.75 10.14 cm

June 24.0 10.75 10.14 cm

July 24.0 10.75 10.14 cm

August 24.0 10.75 10.14 cm

September 24.0 10.75 10.14 cm

October 24.0 10.75 10.14 cm

November 24.0 10.75 10.14 cm

December 24.0 10.75 10.14 cm

128.33



i e

January 24.0 10.75 10.11 cm

February 24.0 10.75 10.11 cm

March 24.0 10.75 10.11 cm

April 24.0 10.75 10.11 cm

May 24.0 10.75 10.11 cm

June 24.0 10.75 10.11 cm


oC


oC

July 24.0 10.75 10.11 cm

August 24.0 10.75 10.11 cm

September 24.0 10.75 10.11 cm

October 24.0 10.75 10.11 cm

November 24.0 10.75 10.11 cm

December 24.0 10.75 10.11 cm

129.00



i e

January 23.0 10.08 8.22 cm

February 24.0 10.75 9.53 cm

March 24.0 10.75 9.53 cm

April 26.0 12.13 12.59 cm

May 26.0 12.13 12.59 cm

June 27.0 12.85 14.35 cm

July 27.0 12.85 14.35 cm

August 26.0 12.13 12.59 cm

September 26.0 12.13 12.59 cm

October 26.0 12.13 12.59 cm

November 26.0 12.13 12.59 cm

December 28.0 13.58 16.29 cm

143.66



i e

January 24.0 10.75 9.48 cm

February 25.0 11.44 10.95 cm

March 26.0 12.13 12.56 cm

April 26.0 12.13 12.56 cm

May 26.5 12.49 13.43 cm


oC


oC

June 26.0 12.13 12.56 cm

July 26.0 12.13 12.56 cm

August 26.0 12.13 12.56 cm

September 26.5 12.49 13.43 cm

October 26.5 12.49 13.43 cm

November 26.0 12.13 12.56 cm

December 26.0 12.13 12.56 cm

144.60



i e

January 26.0 12.13 12.46 cm

February 26.0 12.13 12.46 cm

March 26.0 12.13 12.46 cm

April 26.0 12.13 12.46 cm

May 27.0 12.85 14.30 cm

June 26.0 12.13 12.46 cm

July 27.0 12.85 14.30 cm

August 27.0 12.85 14.30 cm

September 27.0 12.85 14.30 cm

October 26.0 12.13 12.46 cm

November 26.0 12.13 12.46 cm

December 26.0 12.13 12.46 cm

148.47



i e

January 25.6 11.87 11.81 cm

February 26.0 12.12 12.42 cm

March 25.4 11.74 11.48 cm

April 26.3 12.36 13.01 cm


oC


oC

May 26.5 12.52 13.44 cm

June 26.3 12.35 12.98 cm

July 26.3 12.35 12.99 cm

August 28.7 14.07 17.82 cm

September 26.3 12.36 13.01 cm

October 26.2 12.31 12.88 cm

November 26.3 12.37 13.04 cm

December 26.3 12.35 12.98 cm

148.77



i e

January 26.5 12.49 13.43 cm

February 26.5 12.49 13.43 cm

March 26.0 12.13 12.55 cm

April 25.5 11.78 11.72 cm

May 26.0 12.13 12.55 cm

June 26.0 12.13 12.55 cm

July 25.5 11.78 11.72 cm

August 25.0 11.44 10.93 cm

September 26.0 12.13 12.55 cm

October 26.0 12.13 12.55 cm

November 26.0 12.13 12.55 cm

December 26.0 12.13 12.55 cm

144.92



i e

January 25.4 11.70 11.64 cm

February 24.8 11.26 10.67 cm

March 25.0 11.40 10.97 cm


oC


oC

April 25.5 11.75 11.74 cm

May 26.0 12.11 12.57 cm

June 25.8 11.97 12.24 cm

July 25.7 11.92 12.12 cm

August 25.7 11.92 12.12 cm

September 25.8 12.02 12.35 cm

October 26.1 12.19 12.76 cm

November 25.5 11.76 11.76 cm

December 25.8 11.96 12.23 cm

141.97



i e

January 25.7 11.91 11.97 cm

February 25.7 11.93 12.03 cm

March 25.6 11.87 11.89 cm

April 25.7 11.94 12.03 cm

May 25.8 12.00 12.18 cm

June 26.2 12.28 12.86 cm

July 28.7 14.12 17.92 cm

August 25.9 12.07 12.35 cm

September 25.9 12.04 12.29 cm

October 25.9 12.09 12.41 cm

November 25.9 12.06 12.34 cm

December 25.9 12.06 12.34 cm

146.37



i e

January 26.0 12.13 12.54 cm

February 26.0 12.13 12.54 cm


oC


oC

March 26.0 12.13 12.54 cm

April 26.0 12.13 12.54 cm

May 26.0 12.13 12.54 cm

June 26.0 12.13 12.54 cm

July 26.0 12.13 12.54 cm

August 26.1 12.21 12.71 cm

September 25.9 12.06 12.37 cm

October 26.0 12.13 12.54 cm

November 26.0 12.13 12.54 cm

December 25.8 11.96 12.13 cm

145.45



i e

January 25.9 12.06 12.35 cm

February 25.9 12.07 12.39 cm

March 26.0 12.15 12.57 cm

April 26.0 12.13 12.55 cm

May 25.9 12.08 12.41 cm

June 26.0 12.10 12.46 cm

July 26.0 12.13 12.55 cm

August 26.0 12.13 12.55 cm

September 25.8 12.02 12.26 cm

October 26.0 12.13 12.55 cm

November 26.0 12.13 12.55 cm

December 26.0 12.13 12.55 cm

145.28



i e

January 26.0 12.13 12.55 cm


oC


oC

February 26.0 12.13 12.55 cm

March 26.0 12.13 12.55 cm

April 26.0 12.13 12.55 cm

May 26.0 12.13 12.55 cm

June 26.0 12.13 12.55 cm

July 26.0 12.13 12.55 cm

August 26.0 12.13 12.55 cm

September 26.1 12.17 12.63 cm

October 26.2 12.28 12.91 cm

November 25.9 12.08 12.42 cm

December 25.1 11.52 11.13 cm

145.14



i e

January 24.4 11.00 9.68 cm

February 24.6 11.19 10.09 cm

March 26.2 12.26 12.67 cm

April 26.7 12.60 13.57 cm

May 25.5 11.81 11.56 cm

June 26.6 12.58 13.53 cm

July 27.4 13.10 14.97 cm

August 26.6 12.58 13.51 cm

September 28.7 14.10 17.98 cm

October 28.0 13.54 16.25 cm

November 27.6 13.29 15.51 cm

December 27.6 13.27 15.45 cm

151.31



i e


oC


oC

January 27.1 12.91 14.53 cm

February 24.4 11.05 10.24 cm

March 23.1 10.15 8.45 cm

April 26.2 12.24 12.88 cm

May 27.4 13.12 15.06 cm

June 26.6 12.55 13.62 cm

July 25.6 11.87 12.02 cm

August 25.6 11.83 11.92 cm

September 25.8 12.01 12.35 cm

October 25.7 11.95 12.21 cm

November 26.3 12.31 13.05 cm

December 22.3 9.62 7.50 cm

141.61



i e

January 24.9 11.37 10.87 cm

February 24.5 11.08 10.25 cm

March 24.5 11.09 10.28 cm

April 26.0 12.16 12.66 cm

May 24.5 11.12 10.34 cm

June 26.0 12.11 12.54 cm

July 25.7 11.94 12.15 cm

August 26.1 12.18 12.71 cm

September 26.9 12.75 14.10 cm

October 26.6 12.55 13.62 cm

November 26.0 12.13 12.61 cm

December 26.0 12.13 12.61 cm

142.60




oC


i e

January 25.9 12.06 12.06 cm

February 30.2 15.22 21.99 cm

March 27.0 12.81 14.09 cm

April 27.4 13.10 14.92 cm

May 27.0 12.81 14.09 cm

June 26.8 12.70 13.78 cm

July 26.8 12.67 13.68 cm

August 27.1 12.92 14.40 cm

September 26.9 12.74 13.89 cm

October 26.7 12.63 13.58 cm

November 26.5 12.49 13.19 cm

December 26.3 12.35 12.81 cm

154.52


oC




1 93.35

0.91 91.55

1.03 119.76

1.03 128.43

1.08 139.58

1.06 118.94

1.08 121.18

1.07 120.06

1.02 114.45

1.02 110.41

0.98 110.04

0.99 99.60



1 111.83

0.91 97.40

1.03 124.66

1.03 134.69

1.08 146.21

1.06 143.50

1.08 152.35

1.07 150.94


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00


1967 Avg PET 1967 : 1997

P.E.

T - m

m


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00

180.00


1972 Avg PET 1967 : 1997

P.E.

T - m

m

1.02 154.97

1.02 154.97

0.98 128.15

0.99 115.62



1 108.18

0.91 102.86

1.03 116.43

1.03 120.10

1.08 134.68

1.06 127.45

1.08 121.32

1.07 116.48

1.02 99.55

1.02 106.89

0.98 88.94

0.99 76.73



1 87.83

0.91 110.06

1.03 106.08

1.03 120.96

1.08 141.94

1.06 138.62

1.08 128.64


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00

180.00


1972 Avg PET 1967 : 1997

P.E.

T - m

m


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00


1973 Avg PET 1967 : 1997

P.E.

T - m

m


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00


1974 Avg PET 1967 : 1997

P.E.

T - m

m

1.07 127.94

1.02 107.03

1.02 100.20

0.98 119.44

0.99 103.61



1 101.27

0.91 85.23

1.03 114.97

1.03 124.29

1.08 135.23

1.06 126.27

1.08 120.55

1.07 121.97

1.02 126.75

1.02 124.67

0.98 113.76

0.99 106.21



1 95.80

0.91 87.30

1.03 98.68

1.03 114.70

1.08 129.43

1.06 118.04

1.08 129.43


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00


1974 Avg PET 1967 : 1997

P.E.

T - m

m


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00


1975 Avg PET 1967 : 1997

P.E.

T - m

m


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00


1976 Avg PET 1967 : 1997

P.E.

T - m

m

1.07 137.43

1.02 131.01

1.02 140.74

0.98 125.87

0.99 110.25



1 110.04

0.91 108.10

1.03 131.52

1.03 131.52

1.08 148.59

1.06 125.92

1.08 128.30

1.07 127.11

1.02 121.17

1.02 121.17

0.98 125.13

0.99 108.94



1 100.69

0.91 107.78

1.03 122.00

1.03 141.55

1.08 148.42

1.06 135.07

1.08 137.62

1.07 136.35


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00


1976 Avg PET 1967 : 1997

P.E.

T - m

m


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00


1977 Avg PET 1967 : 1997

P.E.

T - m

m


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00


1978 Avg PET 1967 : 1997

P.E.

T - m

m

1.02 111.81

1.02 140.18

0.98 124.88

0.99 108.52



1 101.68

0.91 100.53

1.03 122.71

1.03 141.85

1.08 138.17

1.06 126.28

1.08 128.67

1.07 118.20

1.02 121.52

1.02 121.52

0.98 125.38

0.99 117.94



1 102.23

0.91 100.95

1.03 105.30

1.03 132.05

1.08 138.46

1.06 125.68

1.08 119.81


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00


1978 Avg PET 1967 : 1997

P.E.

T - m

m


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00


1979 Avg PET 1967 : 1997

P.E.

T - m

m


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00


1980 Avg PET 1967 : 1997

P.E.

T - m

m

1.07 126.86

1.02 130.77

1.02 130.77

0.98 116.19

0.99 109.82



1 89.41

0.91 92.24

1.03 104.40

1.03 104.40

1.08 109.47

1.06 107.44

1.08 109.47

1.07 108.46

1.02 103.39

1.02 103.39

0.98 99.34

0.99 100.35



1 101.14

0.91 92.04

1.03 104.17

1.03 104.17

1.08 109.23

1.06 107.21


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00


1980 Avg PET 1967 : 1997

P.E.

T - m

m


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00


1983 Avg PET 1967 : 1997

P.E.

T - m

m


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00


1984 Avg PET 1967 : 1997

P.E.

T - m

m

1.08 109.23

1.07 108.22

1.02 103.16

1.02 103.16

0.98 99.12

0.99 100.13



1 82.18

0.91 86.71

1.03 98.15

1.03 129.64

1.08 135.93

1.06 152.12

1.08 154.99

1.07 134.67

1.02 128.38

1.02 128.38

0.98 123.34

0.99 161.22



1 94.84

0.91 99.61

1.03 129.40

1.03 129.40

1.08 145.07


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00


1984 Avg PET 1967 : 1997

P.E.

T - m

m


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00

180.00


1985 Avg PET 1967 : 1997

P.E.

T - m

m


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00


1986 Avg PET 1967 : 1997

P.E.

T - m

m

1.06 133.17

1.08 135.68

1.07 134.42

1.02 137.01

1.02 137.01

0.98 123.12

0.99 124.37



1 124.55

0.91 113.34

1.03 128.29

1.03 128.29

1.08 154.45

1.06 132.02

1.08 154.45

1.07 153.02

1.02 145.87

1.02 127.04

0.98 122.06

0.99 123.31



1 118.06

0.91 112.98

1.03 118.26

1.03 134.02


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00


1986 Avg PET 1967 : 1997

P.E.

T - m

m


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00

180.00


1987 Avg PET 1967 : 1997

P.E.

T - m

m


50.00

100.00

150.00

200.00

250.00


1988 Avg PET 1967 : 1997

P.E.

T - m

m

1.08 145.13

1.06 137.61

1.08 140.33

1.07 190.71

1.02 132.72

1.02 131.34

0.98 127.81

0.99 128.52



1 134.26

0.91 122.18

1.03 129.31

1.03 120.76

1.08 135.59

1.06 133.08

1.08 126.62

1.07 116.99

1.02 128.06

1.02 128.06

0.98 123.03

0.99 124.29



1 116.38

0.91 97.10

1.03 112.99


50.00

100.00

150.00

200.00

250.00


1988 Avg PET 1967 : 1997

P.E.

T - m

m


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00


1989 Avg PET 1967 : 1997

P.E.

T - m

m


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00


1990 Avg PET 1967 : 1997

P.E.

T - m

m

1.03 120.89

1.08 135.76

1.06 129.77

1.08 130.94

1.07 129.73

1.02 125.98

1.02 130.15

0.98 115.28

0.99 121.06



1 119.69

0.91 109.48

1.03 122.45

1.03 123.96

1.08 131.55

1.06 136.36

1.08 193.55

1.07 132.15

1.02 125.33

1.02 126.53

0.98 120.98

0.99 122.21



1 125.41

0.91 114.12


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00


1990 Avg PET 1967 : 1997

P.E.

T - m

m


50.00

100.00

150.00

200.00

250.00


1991 Avg PET 1967 : 1997

P.E.

T - m

m


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00


1992 Avg PET 1967 : 1997

P.E.

T - m

m

1.03 129.17

1.03 129.17

1.08 135.44

1.06 132.93

1.08 135.44

1.07 136.03

1.02 126.18

1.02 127.92

0.98 122.90

0.99 120.11



1 123.54

0.91 112.78

1.03 129.50

1.03 129.22

1.08 134.01

1.06 132.08

1.08 135.49

1.07 134.24

1.02 125.08

1.02 127.96

0.98 122.95

0.99 124.20



1 125.49


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00


1992 Avg PET 1967 : 1997

P.E.

T - m

m


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00


1993 Avg PET 1967 : 1997

P.E.

T - m

m


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00


1994 Avg PET 1967 : 1997

P.E.

T - m

m

0.91 114.20

1.03 129.26

1.03 129.26

1.08 135.53

1.06 133.02

1.08 135.53

1.07 134.27

1.02 128.87

1.02 131.68

0.98 121.75

0.99 110.15



1 96.81

0.91 91.84

1.03 130.51

1.03 139.79

1.08 124.81

1.06 143.45

1.08 161.65

1.07 144.60

1.02 183.38

1.02 165.71

0.98 152.02

0.99 152.94




20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00


1994 Avg PET 1967 : 1997

P.E.

T - m

m


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00

180.00

200.00


1995 Avg PET 1967 : 1997

P.E.

T - m

m


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00

180.00


1996 Avg PET 1967 : 1997

P.E.

T - m

m

1 145.27

0.91 93.15

1.03 87.03

1.03 132.69

1.08 162.67

1.06 144.35

1.08 129.78

1.07 127.55

1.02 126.02

1.02 124.53

0.98 127.90

0.99 74.20



1 108.70

0.91 93.30

1.03 105.90

1.03 130.41

1.08 111.66

1.06 132.97

1.08 131.22

1.07 136.01

1.02 143.86

1.02 138.95

0.98 123.59

0.99 124.85


Adjustment Adjusted P.E.T


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00

180.00


1996 Avg PET 1967 : 1997P.

E.T

- mm


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00


1997 Avg PET 1967 : 1997

P.E.

T - m

m


50.00

100.00

150.00

200.00

250.00


1998 Avg PET 1967 : 1997

P.E.

T - m

m

Factors (mm)

1 120.61

0.91 200.12

1.03 145.12

1.03 153.72

1.08 152.16

1.06 146.12

1.08 147.79

1.07 154.06

1.02 141.63

1.02 138.57

0.98 129.27

0.99 126.78



50.00

100.00

150.00

200.00

250.00


1998 Avg PET 1967 : 1997P.

E.T

- mm



20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00


1967 Avg PET 1967 : 1997

P.E.

T - m

m


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00

180.00


1972 Avg PET 1967 : 1997

P.E.

T - m

m


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00

180.00


1972 Avg PET 1967 : 1997

P.E.

T - m

m


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00


1973 Avg PET 1967 : 1997

P.E.

T - m

m


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00


1974 Avg PET 1967 : 1997

P.E.

T - m

m


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00


1974 Avg PET 1967 : 1997

P.E.

T - m

m


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00


1975 Avg PET 1967 : 1997

P.E.

T - m

m


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00


1976 Avg PET 1967 : 1997

P.E.

T - m

m


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00


1976 Avg PET 1967 : 1997

P.E.

T - m

m


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00


1977 Avg PET 1967 : 1997

P.E.

T - m

m


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00


1978 Avg PET 1967 : 1997

P.E.

T - m

m


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00


1978 Avg PET 1967 : 1997

P.E.

T - m

m


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00


1979 Avg PET 1967 : 1997

P.E.

T - m

m


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00


1980 Avg PET 1967 : 1997

P.E.

T - m

m


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00


1980 Avg PET 1967 : 1997

P.E.

T - m

m


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00


1983 Avg PET 1967 : 1997

P.E.

T - m

m


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00


1984 Avg PET 1967 : 1997

P.E.

T - m

m


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00


1984 Avg PET 1967 : 1997

P.E.

T - m

m


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00

180.00


1985 Avg PET 1967 : 1997

P.E.

T - m

m


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00


1986 Avg PET 1967 : 1997

P.E.

T - m

m


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00


1986 Avg PET 1967 : 1997

P.E.

T - m

m


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00

180.00


1987 Avg PET 1967 : 1997

P.E.

T - m

m


50.00

100.00

150.00

200.00

250.00


1988 Avg PET 1967 : 1997

P.E.

T - m

m


50.00

100.00

150.00

200.00

250.00


1988 Avg PET 1967 : 1997

P.E.

T - m

m


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00


1989 Avg PET 1967 : 1997

P.E.

T - m

m


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00


1990 Avg PET 1967 : 1997

P.E.

T - m

m


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00


1990 Avg PET 1967 : 1997

P.E.

T - m

m


50.00

100.00

150.00

200.00

250.00


1991 Avg PET 1967 : 1997

P.E.

T - m

m


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00


1992 Avg PET 1967 : 1997

P.E.

T - m

m


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00


1992 Avg PET 1967 : 1997

P.E.

T - m

m


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00


1993 Avg PET 1967 : 1997

P.E.

T - m

m


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00


1994 Avg PET 1967 : 1997

P.E.

T - m

m


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00


1994 Avg PET 1967 : 1997

P.E.

T - m

m


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00

180.00

200.00


1995 Avg PET 1967 : 1997

P.E.

T - m

m


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00

180.00


1996 Avg PET 1967 : 1997

P.E.

T - m

m


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00

180.00


1996 Avg PET 1967 : 1997

P.E.

T - m

m


20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00


1997 Avg PET 1967 : 1997

P.E.

T - m

m


50.00

100.00

150.00

200.00

250.00


1998 Avg PET 1967 : 1997

P.E.

T - m

m


50.00

100.00

150.00

200.00

250.00


1998 Avg PET 1967 : 1997

P.E.

T - m

m

109.2014

105.2679

117.9234

128.0742

136.8922

131.5187

135.3859

133.018

127.8449

127.7647

120.4708

115.228

P.E.T (mm) PENAL STATION - POTENTIAL EVAPOTRANSPIRATION (mm)1970 1976 1977 1984 1985 1986

January 96.2 96.2 91.3 109.2 94.6 95.3

February 87.6 87.6 89.7 99.4 86.1 86.7

March 99.1 99.1 111.0 120.6 112.6 113.1

April 106.1 106.1 120.5 129.2 129.3 113.1

May 130.3 130.3 136.4 135.5 154.9 135.9

June 127.9 127.9 133.8 133.0 152.0 133.4

July 130.3 130.3 277.3 135.5 135.6 155.0

August 137.6 137.6 157.2 153.4 153.4 153.6

September 131.1 131.1 139.4 146.2 146.3 146.4

October 141.3 141.3 139.4 146.2 128.0 146.4

November 118.2 118.2 127.3 122.9 140.5 123.4

December 102.0 102.0 128.6 108.1 26.3 108.7

Yearly Average 117.3 117.3 137.7 128.3 121.6 125.9

Yearly Total 1408 1408 1652 1539 1460 1511

Mean Monthly MEAN MONTHLY TEMPERATURETemperature 1970 1976 1977 1984 1985 1986

January 23.9 23.9 23.9 23.9 25.0 24

February 23.9 23.9 24.4 24.4 25.0 24

March 23.9 23.9 25.0 25.0 25.5 25

April 24.4 24.4 25.6 25.6 26.0 26

May 25.6 25.6 26.1 26.1 26.0 27

June 25.6 25.6 26.1 26.1 26.0 27

July 25.6 25.6 31.7 31.7 26.0 26

August 26.1 26.1 27.2 27.2 27.0 27

September 26.1 26.1 26.7 26.7 27.0 27

October 26.7 26.7 26.7 26.7 27.0 26

November 25.6 25.6 26.3 26.3 26.0 27

December 24.4 24.4 26.3 26.3 25.0 25

Yearly Average 25.1 25.2 26.3 26.3 26.0 25.9

PENAL STATION - POTENTIAL EVAPOTRANSPIRATION (mm)1988 1995 1996 1997 1998 1999 2000 200195.7 105.5 106.8 112.3 113.7 117.0 107.1 112.3

96.7 99.0 105.0 105.9 112.9 104.2 97.5 99.1

133.8 125.9 80.4 109.9 129.6 123.9 115.6 119.9

122.9 133.3 127.4 114.8 100.9 132.0 121.0 127.3

145.2 162.9 145.9 144.5 154.2 148.3 105.2 127.3

133.9 153.4 140.3 146.7 159.9 138.7 136.2 124.9

159.8 158.5 149.8 150.5 158.5 153.5 123.6 109.8

162.6 163.6 153.4 152.1 168.1 156.2 122.5 108.8

147.9 155.9 147.2 153.0 158.1 147.9 116.8 88.8

153.9 145.6 141.5 151.0 145.6 103.9 116.8 102.4

135.4 128.7 128.0 134.7 124.2 137.4 130.8 104.8

128.6 122.8 125.0 115.2 124.6 139.7 111.8 58.9

134.7 137.9 129.2 132.5 137.5 133.6 117.1 107.0

1616 1655 1551 1590 1650 1603 1405 1284

MEAN MONTHLY TEMPERATURE1988 1995 1996 1997 1998 1999 2000 200124.0 24.2 24.9 24.9 25.3 25.4 25.6 24.7

24.0 24.9 25.1 25.4 25.5 26.0 25.4 24.7

25.0 26.3 25.9 22.8 24.9 26.1 25.8 25.1

25.0 25.7 26.3 25.9 25.2 24.4 26.2 25.4

26.0 26.6 27.4 26.6 26.5 27.0 26.7 24.0

26.0 26.1 27.1 26.4 26.8 27.4 26.4 26.1

27.0 27.3 27.2 26.8 26.8 27.2 27.0 25.2

27.0 27.5 27.5 27.0 27.0 27.7 27.2 25.2

27.0 27.1 27.5 27.1 27.4 27.6 27.1 25.2

27.0 27.4 27.0 26.8 27.3 27.0 24.6 25.2

26.0 26.8 26.4 26.3 26.7 26.2 26.9 26.4

25.0 26.3 26.0 26.1 25.5 26.1 26.9 25.1

25.8 26.3 26.5 26.0 26.2 26.5 26.3 25.2

PENAL STATION - POTENTIAL EVAPOTRANSPIRATION (mm)2002 2003 Mthly Average87.2 132.3 104.550.9 114.7 95.2103.2 136.4 114.688.8 181.7 122.296.3 186.3 140.096.5 164.3 137.7123.3 160.8 150.787.3 174.0 146.370.7 176.3 137.791.9 170.6 135.466.3 151.0 124.561.4 133.7 106.185.3 156.8 -1024 1882 1515

MEAN MONTHLY TEMPERATURE2002 2003 Mthly Average24.9 22.1 24.424.7 18.4 24.425.2 23.4 24.925.7 22.0 25.225.3 22.3 25.925.3 22.5 26.024.1 24.7 26.924.1 21.5 26.422.9 20.1 26.224.0 22.4 26.124.5 19.9 25.820.2 19.2 24.924.2 21.5 25.6

Janu

ary

Febr

uary

Mar

ch

April

May

June July

Augu

st

Sept

embe

r

Oct

ober

Nove

mbe

r

Dece

mbe

r

0.0

50.0

100.0

150.0

200.0

250.0

300.0

Monthly Evapotranspiration Variation - 1970:2003

Evap

otra

nspi

ratio

n - m

m/m

onth

Janu

ary

Febr

uary

Mar

ch

April

May

June July

Augu

st

Sept

embe

r

Oct

ober

Nove

mbe

r

Dece

mbe

r

15.0

17.0

19.0

21.0

23.0

25.0

27.0

29.0

31.0

33.0

Mean Monthly Temperature Variation

Tem

pera

ture

- de

g C

Janu

ary

Febr

uary

Mar

ch

April

May

June July

Augu

st

Sept

embe

r

Oct

ober

Nove

mbe

r

Dece

mbe

r

0.0

50.0

100.0

150.0

200.0

250.0

300.0


Evap

otra

nspi

ratio

n - m

m/m

onth

Janu

ary

Febr

uary

Mar

ch

April

May

June July

Augu

st

Sept

embe

r

Oct

ober

Nove

mbe

r

Dece

mbe

r

80.0

90.0

100.0

110.0

120.0

130.0

140.0

150.0

160.0

Monthly Averge Evapotranspiration Variation 1970:2003

Time (mths)

Evap

otra

nspi

ratio

n - m

m/m

onth

Janu

ary

Febr

uary

Mar

ch

April

May

June July

Augu

st

Sept

embe

r

Oct

ober

Nove

mbe

r

Dece

mbe

r

23.0

23.5

24.0

24.5

25.0

25.5

26.0

26.5

27.0

27.5

Monthly Average Temperature Variation

Time (mths)

Tem

pera

ture

- de

g C

Janu

ary

Febr

uary

Mar

ch

April

May

June July

Augu

st

Sept

embe

r

Oct

ober

Nove

mbe

r

Dece

mbe

r

15.0

17.0

19.0

21.0

23.0

25.0

27.0

29.0

31.0

33.0


Tem

pera

ture

- de

g C

Janu

ary

Febr

uary

Mar

ch

April

May

June July

Augu

st

Sept

embe

r

Oct

ober

Nove

mbe

r

Dece

mbe

r

80.0

90.0

100.0

110.0

120.0

130.0

140.0

150.0

160.0


Time (mths)

Evap

otra

nspi

ratio

n - m

m/m

onth

Janu

ary

Febr

uary

Mar

ch

April

May

June July

Augu

st

Sept

embe

r

Oct

ober

Nove

mbe

r

Dece

mbe

r23.0

23.5

24.0

24.5

25.0

25.5

26.0

26.5

27.0

27.5


Time (mths)

Tem

pera

ture

- de

g C

1970

1976

1977

1984

1985

1986

1988

1995

1996

1997

1998

1999

2000

2001

2002

2003

20.0

21.0

22.0

23.0

24.0

25.0

26.0

27.0

Yearly Average Variation of Mean Monthly Temperature

Tem

pera

ture

- de

g. C

Janu

ary

Febr

uary

Mar

ch

April

May

June July

Augu

st

Sept

embe

r

Oct

ober

Nove

mbe

r

Dece

mbe

r

80.0

90.0

100.0

110.0

120.0

130.0

140.0

150.0

160.0


Time (mths)

Evap

otra

nspi

ratio

n - m

m/m

onth

Janu

ary

Febr

uary

Mar

ch

April

May

June July

Augu

st

Sept

embe

r

Oct

ober

Nove

mbe

r

Dece

mbe

r

23.0

23.5

24.0

24.5

25.0

25.5

26.0

26.5

27.0

27.5


Time (mths)

Tem

pera

ture

- de

g C

1970

1976

1977

1984

1985

1986

1988

1995

1996

1997

1998

1999

2000

2001

2002

2003

60.0

80.0

100.0

120.0

140.0

160.0

180.0Yearly Average Evapotranspiration Variation

Evap

otra

nspi

ratio

n m

m/y

ear

1970

1976

1977

1984

1985

1986

1988

1995

1996

1997

1998

1999

2000

2001

2002

2003

20.0

21.0

22.0

23.0

24.0

25.0

26.0

27.0


Tem

pera

ture

- de

g. C

1970

1976

1977

1984

1985

1986

1988

1995

1996

1997

1998

1999

2000

2001

2002

2003

60.0

80.0

100.0

120.0

140.0

160.0


Evap

otra

nspi

ratio

n m

m/y

ear

1970

1976

1977

1984

1985

1986

1988

1995

1996

1997

1998

1999

2000

2001

2002

2003

1000

1100

1200

1300

1400

1500

1600

1700

1800

1900

2000

Yearly Total Evapotranspiration Variation

Evap

otra

nspi

ratio

n m

m/y

ear

1970

1976

1977

1984

1985

1986

1988

1995

1996

1997

1998

1999

2000

2001

2002

2003

20.0

21.0

22.0

23.0

24.0

25.0

26.0

27.0


Tem

pera

ture

- de

g. C

1970

1976

1977

1984

1985

1986

1988

1995

1996

1997

1998

1999

2000

2001

2002

2003

60.0

80.0

100.0

120.0

140.0

160.0


Evap

otra

nspi

ratio

n m

m/y

ear

1970

1976

1977

1984

1985

1986

1988

1995

1996

1997

1998

1999

2000

2001

2002

2003

1000

1100

1200

1300

1400

1500

1600

1700

1800

1900

2000

Yearly Total Evapotranspiration Variation

Evap

otra

nspi

ratio

n m

m/y

ear

P.E.T (mm) NAVET STATION - POTENTIAL EVAPOTRANSPIRATION (mm)1967 1972 1973 1974 1975 1976

January 93.4 111.8 108.2 87.8 101.3 95.8

February 91.6 97.4 102.9 110.1 85.2 87.3

March 119.8 124.7 116.4 106.1 115.0 98.7

April 128.4 134.7 120.1 121.0 124.3 114.7

May 139.6 146.2 134.7 141.9 135.2 129.4

June 118.9 143.5 127.5 138.6 126.3 118.0

July 121.2 152.3 121.3 128.6 120.6 129.4

August 120.1 150.9 116.5 127.9 122.0 137.4

September 114.5 155.0 99.6 107.0 126.8 131.0

October 110.4 155.0 106.9 100.2 124.7 140.7

November 110.0 128.2 88.9 119.4 113.8 125.9

December 99.6 115.6 76.7 103.6 106.2 110.2

Yearly Average 113.9 134.6 110.0 116.0 116.8 118.2

Yearly Total 1367 1615 1320 1392 1401 1419

Mean Monthly MEAN MONTHLY TEMPERATURETemperature 1967 1972 1973 1974 1975 1976

January 23.6 25.3 24.7 23.2 24.3 23.89

February 24.2 25.0 25.0 25.6 23.7 23.9

March 25.3 25.8 25.0 24.4 25.0 23.89

April 25.8 26.4 25.3 25.4 25.6 25

May 26.1 26.6 25.8 26.3 25.9 25.56

June 25.0 26.6 25.5 26.2 25.5 25

July 25.0 26.9 25.0 25.5 25.0 25.56

August 25.0 26.9 24.7 25.5 25.2 26.1

September 25.0 27.5 23.9 24.5 25.8 26.1

October 24.7 27.5 24.4 24.0 25.7 26.67

November 25.0 26.4 23.3 25.7 25.3 26.1

December 24.2 25.6 22.2 24.5 24.7 25

Yearly Average 24.9 26.3 24.5 25.1 25.1 25.2

NAVET STATION - POTENTIAL EVAPOTRANSPIRATION (mm)1977 1978 1979 1980 1983 1984 1985 1986110.0 100.7 101.7 102.2 89.4 101.1 82.2 94.8

108.1 107.8 100.5 100.9 92.2 92.0 86.7 99.6

131.5 122.0 122.7 105.3 104.4 104.2 98.1 129.4

131.5 141.6 141.9 132.1 104.4 104.2 129.6 129.4

148.6 148.4 138.2 138.5 109.5 109.2 135.9 145.1

125.9 135.1 126.3 125.7 107.4 107.2 152.1 133.2

128.3 137.6 128.7 119.8 109.5 109.2 155.0 135.7

127.1 136.3 118.2 126.9 108.5 108.2 134.7 134.4

121.2 111.8 121.5 130.8 103.4 103.2 128.4 137.0

121.2 140.2 121.5 130.8 103.4 103.2 128.4 137.0

125.1 124.9 125.4 116.2 99.3 99.1 123.3 123.1

108.9 108.5 117.9 109.8 100.3 100.1 161.2 124.4

124.0 126.2 122.0 119.9 102.6 103.4 126.3 126.9

1488 1515 1464 1439 1232 1241 1516 1523


25.6 25.6 25.0 25.0 24.0 24.0 24.0 25.0

26.1 25.6 25.6 24.4 24.0 24.0 24.0 26.0

26.1 26.7 26.7 26.1 24.0 24.0 26.0 26.0

26.7 26.7 26.1 26.1 24.0 24.0 26.0 26.5

25.6 26.1 25.6 25.5 24.0 24.0 27.0 26.0

25.6 26.1 25.6 25.0 24.0 24.0 27.0 26.0

25.6 26.1 25.0 25.5 24.0 24.0 26.0 26.0

25.6 25.0 25.6 26.1 24.0 24.0 26.0 26.5

25.6 26.7 25.6 26.1 24.0 24.0 26.0 26.5

26.1 26.1 26.1 25.5 24.0 24.0 26.0 26.0

25.0 25.0 25.6 25.0 24.0 24.0 28.0 26.0

25.7 25.8 25.6 25.4 23.9 24.0 25.8 25.9

NAVET STATION - POTENTIAL EVAPOTRANSPIRATION (mm)1987 1988 1989 1990 1991 1992 1993 1994124.6 118.1 134.3 116.4 119.7 125.4 123.5 125.5

113.3 113.0 122.2 97.1 109.5 114.1 112.8 114.2

128.3 118.3 129.3 113.0 122.4 129.2 129.5 129.3

128.3 134.0 120.8 120.9 124.0 129.2 129.2 129.3

154.5 145.1 135.6 135.8 131.6 135.4 134.0 135.5

132.0 137.6 133.1 129.8 136.4 132.9 132.1 133.0

154.5 140.3 126.6 130.9 193.5 135.4 135.5 135.5

153.0 190.7 117.0 129.7 132.1 136.0 134.2 134.3

145.9 132.7 128.1 126.0 125.3 126.2 125.1 128.9

127.0 131.3 128.1 130.1 126.5 127.9 128.0 131.7

122.1 127.8 123.0 115.3 121.0 122.9 122.9 121.7

123.3 128.5 124.3 121.1 122.2 120.1 124.2 110.1

133.9 134.8 126.9 122.2 130.4 127.9 127.6 127.4

1607 1617 1522 1466 1564 1535 1531 1529


26.0 26.0 26.5 24.8 25.7 26.0 25.9 26.0

26.0 25.4 26.0 25.0 25.6 26.0 26.0 26.0

26.0 26.3 25.5 25.5 25.7 26.0 26.0 26.0

27.0 26.5 26.0 26.0 25.8 26.0 25.9 26.0

26.0 26.3 26.0 25.8 26.2 26.0 26.0 26.0

27.0 26.3 25.5 25.7 28.7 26.0 26.0 26.0

27.0 28.7 25.0 25.7 25.9 26.1 26.0 26.0

27.0 26.3 26.0 25.8 25.9 25.9 25.8 26.1

26.0 26.2 26.0 26.1 25.9 26.0 26.0 26.2

26.0 26.3 26.0 25.5 25.9 26.0 26.0 25.9

26.0 26.3 26.0 25.8 25.9 25.8 26.0 25.1

26.3 26.4 25.9 25.6 26.1 26.0 26.0 25.9

NAVET STATION - POTENTIAL EVAPOTRANSPIRATION (mm)1995 1996 1997 1998 Mthly Average

96.8 145.3 108.7 120.6 109.291.8 93.1 93.3 200.1 105.3130.5 87.0 105.9 145.1 117.9139.8 132.7 130.4 153.7 128.1124.8 162.7 111.7 152.2 136.9143.4 144.3 133.0 146.1 131.5161.7 129.8 131.2 147.8 135.4144.6 127.6 136.0 154.1 133.0183.4 126.0 143.9 141.6 127.8165.7 124.5 138.9 138.6 127.8152.0 127.9 123.6 129.3 120.5152.9 74.2 124.8 126.8 115.2140.6 122.9 123.5 146.3 -1688 1475 1481 1756 1489

MEAN MONTHLY TEMPERATURE1995 1996 1997 1998 Mthly Average

24.4 27.1 24.9 25.9 24.424.6 24.4 24.5 30.2 24.926.2 23.1 24.5 27.0 25.126.7 26.2 26.0 27.4 25.725.5 27.4 24.5 27.0 26.026.6 26.6 26.0 26.8 25.627.4 25.6 25.7 26.8 25.626.6 25.6 26.1 27.1 25.728.7 25.8 26.9 26.9 25.628.0 25.7 26.6 26.7 25.627.6 26.3 26.0 26.5 25.527.6 22.3 26.0 26.3 25.126.7 25.5 25.6 27.0 25.9

Janu

ary

Febr

uary

Mar

ch

April

May

June July

Augu

st

Sept

embe

r

Oct

ober

Nove

mbe

r

Dece

mbe

r

50.0

70.0

90.0

110.0

130.0

150.0

170.0

190.0

210.0


Evap

otra

nspi

ratio

n - m

m/m

onth

Janu

ary

Febr

uary

Mar

ch

April

May

June July

Augu

st

Sept

embe

r

Oct

ober

Nove

mbe

r

Dece

mbe

r

20.0

22.0

24.0

26.0

28.0

30.0

32.0

Mean Monthly Temperature Variation Te

mpe

ratu

re -

deg

C

Janu

ary

Febr

uary

Mar

ch

April

May

June July

Augu

st

Sept

embe

r

Oct

ober

Nove

mbe

r

Dece

mbe

r

50.0

70.0

90.0

110.0

130.0

150.0

170.0

190.0

210.0


Evap

otra

nspi

ratio

n - m

m/m

onth

Janu

ary

Febr

uary

Mar

ch

April

May

June July

Augu

st

Sept

embe

r

Oct

ober

Nove

mbe

r

Dece

mbe

r

90

95

100

105

110

115

120

125

130

135

140Monthly Averge Evapotranspiration Variation - 1967:1998

Evap

otra

nspi

ratio

n - m

m/m

onth

Janu

ary

Febr

uary

Mar

ch

April

May

June July

Augu

st

Sept

embe

r

Oct

ober

Nove

mbe

r

Dece

mbe

r

23.5

24.0

24.5

25.0

25.5

26.0

26.5


Tem

pera

ture

- de

g C

Janu

ary

Febr

uary

Mar

ch

April

May

June July

Augu

st

Sept

embe

r

Oct

ober

Nove

mbe

r

Dece

mbe

r

20.0

22.0

24.0

26.0

28.0

30.0

32.0


Tem

pera

ture

- de

g C

Janu

ary

Febr

uary

Mar

ch

April

May

June July

Augu

st

Sept

embe

r

Oct

ober

Nove

mbe

r

Dece

mbe

r

90

95

100

105

110

115

120

125

130

135


Evap

otra

nspi

ratio

n - m

m/m

onth

Janu

ary

Febr

uary

Mar

ch

April

May

June July

Augu

st

Sept

embe

r

Oct

ober

Nove

mbe

r

Dece

mbe

r

23.5

24.0

24.5

25.0

25.5

26.0

26.5


Tem

pera

ture

- de

g C

1967

1972

1973

1974

1975

1976

1977

1978

1979

1980

1983

1984

1985

1986

1987

1988

1989

1990

1991

1992

1993

1994

1995

1996

1997

1998

23.0

23.5

24.0

24.5

25.0

25.5

26.0

26.5

27.0

27.5Yearly Average Variation of Mean Monthly Temperature

Tem

pera

ture

- de

g. C

Janu

ary

Febr

uary

Mar

ch

April

May

June July

Augu

st

Sept

embe

r

Oct

ober

Nove

mbe

r

Dece

mbe

r

90

95

100

105

110

115

120

125

130

135


Evap

otra

nspi

ratio

n - m

m/m

onth

Janu

ary

Febr

uary

Mar

ch

April

May

June July

Augu

st

Sept

embe

r

Oct

ober

Nove

mbe

r

Dece

mbe

r

23.5

24.0

24.5

25.0

25.5

26.0

26.5


Tem

pera

ture

- de

g C

1967

1972

1973

1974

1975

1976

1977

1978

1979

1980

1983

1984

1985

1986

1987

1988

1989

1990

1991

1992

1993

1994

1995

1996

1997

1998

90.0

100.0

110.0

120.0

130.0

140.0

150.0Yearly AVERAGE Evapotranspiration Variation

Evap

otra

nspi

ratio

n m

m/y

ear

1967

1972

1973

1974

1975

1976

1977

1978

1979

1980

1983

1984

1985

1986

1987

1988

1989

1990

1991

1992

1993

1994

1995

1996

1997

1998

23.0

23.5

24.0

24.5

25.0

25.5

26.0

26.5

27.0


Tem

pera

ture

- de

g. C

1967

1972

1973

1974

1975

1976

1977

1978

1979

1980

1983

1984

1985

1986

1987

1988

1989

1990

1991

1992

1993

1994

1995

1996

1997

1998

90.0

100.0

110.0

120.0

130.0

140.0


Evap

otra

nspi

ratio

n m

m/y

ear

1967

1972

1973

1974

1975

1976

1977

1978

1979

1980

1983

1984

1985

1986

1987

1988

1989

1990

1991

1992

1993

1994

1995

1996

1997

1998

1100

1200

1300

1400

1500

1600

1700

1800Yearly TOTAL Evapotranspiration Variation

Evap

otra

nspi

ratio

n m

m/y

ear

1967

1972

1973

1974

1975

1976

1977

1978

1979

1980

1983

1984

1985

1986

1987

1988

1989

1990

1991

1992

1993

1994

1995

1996

1997

1998

23.0

23.5

24.0

24.5

25.0

25.5

26.0

26.5

27.0


Tem

pera

ture

- de

g. C

1967

1972

1973

1974

1975

1976

1977

1978

1979

1980

1983

1984

1985

1986

1987

1988

1989

1990

1991

1992

1993

1994

1995

1996

1997

1998

90.0

100.0

110.0

120.0

130.0

140.0


Evap

otra

nspi

ratio

n m

m/y

ear

1967

1972

1973

1974

1975

1976

1977

1978

1979

1980

1983

1984

1985

1986

1987

1988

1989

1990

1991

1992

1993

1994

1995

1996

1997

1998

1100

1200

1300

1400

1500

1600

1700

1800Yearly TOTAL Evapotranspiration Variation

Evap

otra

nspi

ratio

n m

m/y

ear

final tmi calculations

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