ColoradoDust-on-SnowProgramWY2016DustEnhancedRunoffClassificaAon

DoloresRiverWatershedasof:March1,2016Update

for:

LizardHeadPassSnotel,DoloresRiveratDolores

MinDust‘Avg’DustMaxDustDrySpring

AvgSpring

WetSpring

Low

Mar1SWE

Avg

Mar1SWE

High

Mar1SWE

DustEnhancedRunoff‘Space’

CODOS and Other Selected SNOTEL Sites% 1981-2010 Median March 1 SWE

Median Actual % Median CODOSSWE SWE SWE March 1

March 1 March 1 March 1 SWESNOTEL Site 1981-2010 WY 2016 WY 2016 ClassificationRed Mtn Pass 17.5 13.6 78% LowSlumgullion 10.4 12.2 117% HighUpper San Juan 26.0 24.9 96% AvgWolf Creek Summit 24.9 26.1 105% AvgBeartown 18.7 16.4 88% LowLizard Head 12.2 13.4 110% High

Park Cone 8.3 7.0 84% LowSchofield Pass 25.2 21.0 83% LowMcClure Pass 13.5 13.6 101% AvgIndependence Pass 12.7 12.2 96% Avg

Hoosier Pass 10.9 11.8 108% AvgGrizzly Peak 13.2 13.4 102% AvgBerthoud Summit 13.9 13.9 100% AvgWillow Creek Pass 9.5 10.6 112% High

Rabbit Ears Pass 19.1 22.8 119% High

Mesa Lakes 12.7 12.9 102% Avg

LizardHeadPassSnotel

DrySpring AvgSpring WetSpring DrySpring AvgSpring WetSpring

2006 20072008 20112009 20142010 2015201220132016

LowSwe AvgSwe HighSWE2006 2007 2008

2012 2011 20092013 2014 2010

2015 2016

MinDust AvgDust MaxDust

20082009

20112012

20132014

20152016

DoloresRiverWatershed

20062007

2010

HIGH

March1SWE

MinDust

AvgDust 2008,2016

MaxDust 2009,2010

AVGMarch1SWE

MinDust 2007,2015

AvgDust 2011,2014

MaxDust

LOWM

arch1SWE

MinDust

MaxDust 2006,2013

AvgDust 2012

MinDust‘Avg’DustMaxDustDrySpring

AvgSpring

WetSpring

High

Mar1SWE

DoloresRiverWatershed–LizardHeadPassSnotelWY2016=HighMarch1SWE

20092010

20082016

WY2008:HighMarch1SWE,DrySpring,AvgDust

WY2009:AvgMarch1SWE,DrySpring,MaxDust

WY2010:HighMarch1SWE,DrySpring,Max-Dust

WY2016:HighMarch1SWE,DrySpring,AvgDust