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<br />- 2 - <br /> <br />NRCS Snow Survey Presentation (Mike Gillespie - NRCS Snow Survey Program) <br />S k <br /> <br />nowoac <br />NRCS Snow Survey - Snow Water Equivalent (SWE) By Basins <br />River Basin Current as a Current as a 0/0 Current as a % of Average peak date <br /> 0/0 of oflast year the average peak <br /> averal!e <br />Yampa/White 85% 141% 85% April 13m <br />North Platte 86% 128% 82% April 26m <br />Colorado 100% 156% 99% April 14th <br />South Platte 82% 127% 78% April 23 co <br />Gunnison 135% 182% 133% April 12m <br />San Miguel, Dolores, Animas 143% 174% 143% Apri17lli <br />& San Juan <br />Upper Rio Grande 141% 168% 140% April 10th <br />Arkansas 123% 169% 121% April13lli <br />Totals statewide 107% 157% 107% April12lli <br /> <br />. <br /> <br />The 1-70 corridor in certain years seems to <br />be the dividing line between above average <br />snowpack and below average or average. <br />January was a banner month for snowfall in <br />most of the river basins but especially in the <br />southern part of the state. <br />Colorado has not been seen above average <br />snowpack (statewide) since 1997. <br /> <br />~ N ReS <br /> <br />Snowpack <br />Apri/1, 2005 <br /> <br />Natural Resources. <br />Conservation Service <br /> <br /> <br />. <br /> <br />. <br /> <br />NRCS Reservoir Stora2:e <br /> <br />NRCS - Reservoir Storal!e by basins <br />River Basin Current as a % of Current as a % of <br /> averal!e last year <br />Yampa/White 99% 91% <br />North Platte N/A N/A <br />Colorado 77% 89% <br />South Platte 100% 120% <br />Gunnison 103% 98% <br />San Miguel, Dolores, Animas 80% 104% <br />& San Juan <br />Upper Rio Grande 57% 110% <br />Arkansas 67% 127% <br />Totals statewide 87% 106% <br /> <br /> <br />Streamflow Forecasts <br />April 1 , 2005 <br /> <br />Natural R!!sources <br />(ono;ervatioll Service <br /> <br />Legend <br /> <br /> <br />. ~ 150% of Average <br /> <br /> <br />D 130-150% of Average <br /> <br /> <br />C111 0 - 129% of Average <br /> <br /> <br />D 90 - 109% of Average <br /> <br /> <br />.70 - 89% of Average <br /> <br /> <br />.50 - 69% of Average <br /> <br /> <br />.0:: 50% of Average <br />D Not Forecast <br />~MajorBasin Boundary <br />~Watershed Boundary <br /> <br />Legend <br /> <br />. ~ 150% of Average <br /> <br /> <br />D 130 - 150% of Average <br /> <br />D 11D-129%ofAverage <br /> <br /> <br />D 90 -1 09% of Average <br /> <br />D70-S9%OfAVerage <br /> <br />.SO-69%OfAVerage <br /> <br /> <br />. -=: 50% of Average <br /> <br /> <br />D NotSwveyed <br /> <br /> <br />~ Major Basin Boundary <br /> <br />~ Watershed Boundary <br /> <br />~. <br />StatewIde: 107% of Average <br />167% of Last Year <br /> <br /> <br />Statewide: 87% ot Average <br />106% of Last Year <br /> <br />nance . Stream and Lake Protection <br />;ervation Planning <br />