The Impact of Climate ChangeThe Impact of Climate Changeon the Upper Rio Grande Basinon the Upper Rio Grande Basin

1900 1910 1920 1930 1940 1950 1960 1970 1980 1990 2000

Bernalillo County 28,630 23,606 29,855 45,430 69,391 145,673 262,199 315,774 419,700 480,577 556,678

Doña Ana County 10,187 12,893 16,548 27,455 30,411 39,557 59,948 69,773 96,340 135,510 174,682

Los Alamos County - - - - - 10,476 13,037 15,198 17,599 18,115 18,343

Luna County - 3,913 12,270 6,247 6,457 8,753 9,839 11,706 15,585 18,110 25,016

Otero County 4,791 7,069 7,902 9,779 10,522 14,909 36,976 41,097 44,665 51,928 62,298

Rio Arriba County 13,777 16,624 19,552 21,381 25,352 24,997 24,193 25,170 29,282 34,365 41,190

Sandoval County - 8,579 8,863 11,144 13,898 12,438 14,201 17,492 34,799 63,319 89,908

Santa Fe County 14,658 14,770 15,030 19,567 30,826 38,153 44,970 53,756 75,360 98,928 129,292

Sierra County 3,158 3,536 4,619 5,184 6,962 7,186 6,409 7,189 8,454 9,912 13,270

Socorro County 12,195 14,761 14,061 9,611 11,422 9,670 10,168 9,763 12,566 14,764 18,078

Taos County 10,889 12,008 12,773 14,394 18,528 17,146 15,934 17,516 19,456 23,118 29,979

Torrance County - 10,119 9,731 9,269 11,026 8,012 6,497 5,290 7,491 10,285 16,911

Valencia County 13,895 13,320 13,795 16,186 20,245 22,481 39,085 40,539 61,115 45,235 66,152

112,180 141,198 164,999 195,647 255,040 359,451 543,456 630,263 842,412 1,004,166 1,241,797

Total New Mexico 195,310 327,301 360,350 423,317 531,818 681,187 951,023 1,016,000 1,302,894 1,515,069 1,819,046

Percentage within Basin 57.4% 43.1% 45.8% 46.2% 48.0% 52.8% 57.1% 62.0% 64.7% 66.3% 68.3%Bas

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Basin Population within New Mexico

Clovis SWC weather station

Sierra Blanca Snotel weather station

Pacific Decadal Oscillation

Pacific Decadal OscillationAverage Monthly Streamflow in cfs

1941

Rio Grande at LobatosAverage Monthly Streamflow in cfs

1941

1951-1963