Supercell over Laramie
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Wyoming Snow Precipitation Update

United States Natural Resources Water and Climate Center Department of Conservation Portland, Oregon Agriculture Service S N O W - P R E C I P I T A T I O N U P D A T E Based on Mountain Data from NRCS SNOTEL Sites As of TUESDAY: OCTOBER 25 , 2011 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 .1 .3 33* 3.2 1.5 213 COTTONWOOD CREEK 7670 .2 .6 33* 4.5 2.3 196 GRAND TARGHEE 9260 2.5 -M * 5.0 -M * GRANITE CREEK 6770 .1 .3 33* 2.4 1.3 185 GRASSY LAKE 7265 .1 .9 11* 5.2 2.5 208 GROS VENTRE SUMMIT 8750 .4 1.0 40* 2.2 1.4 157 GUNSIGHT PASS 9820 .8 -M * 2.5 -M * LEWIS LAKE DIVIDE 7850 .2 .7 29* 4.4 2.3 191 PHILLIPS BENCH 8200 .0 .9 0* 2.5 1.7 147 SALT RIVER SUMMIT 7760 .1 .2 50* 2.2 1.5 147 SNAKE RIVER STATION 6920 .1 .3 33* 3.7 1.7 218 SPRING CREEK DIVIDE 9000 1.3 1.0 130* 3.3 1.8 183 THUMB DIVIDE 7980 .1 .5 20* 2.8 1.6 175 TOGWOTEE PASS 9580 1.5 1.9 79* 3.0 2.1 143 TWO OCEAN PLATEAU 9240 3.4 2.3 148* 3.8 2.3 165 WILLOW CREEK 8380 .2 1.2 17* 5.2 2.9 179 ----- ----- Basin wide percent of average 64* 180 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9360 2.0 2.1 95* 2.8 1.6 175 BLACK BEAR 8170 2.0 1.8 111* 5.3 2.5 212 CANYON 7870 .2 .4 50* 1.7 1.4 121 FISHER CREEK 9100 2.1 1.9 111* 4.2 2.5 168 MADISON PLATEAU 7750 .0 1.0 0* 3.8 2.0 190 NORTHEAST ENTRANCE 7350 .0 .2 0* 2.0 1.2 167 PARKER PEAK 9400 1.3 2.2 59* 3.4 1.9 179 SYLVAN LAKE 8420 .0 1.4 0* 3.9 2.0 195 THUMB DIVIDE 7980 .1 .5 20* 2.8 1.6 175 TWO OCEAN PLATEAU 9240 3.4 2.3 148* 3.8 2.3 165 WHISKEY CREEK 6800 .1 .4 25* 3.3 1.7 194 WHITE MILL 8700 1.1 1.3 85* 3.4 2.1 162 WOLVERINE 7650 .8 .3 267* 2.5 1.5 167 ----- ----- Basin wide percent of average 83* 177 WIND RIVER BURROUGHS CREEK 8750 .0 .6 0* 1.4 1.3 108 CASTLE CREEK 8400 .0 -M * 1.2 -M * COLD SPRINGS 9630 .0 .8 0* 1.6 1.5 107 DEER PARK 9700 .8 1.7 47* 2.4 2.0 120 HOBBS PARK 10100 1.6 1.9 84 2.4 1.7 141 LITTLE WARM 9370 .0 .8 0* 1.7 1.4 121 SOUTH PASS 9040 .5 1.2 42* 2.2 1.6 138 ST. LAWRENCE ALT 8620 .0 .7 0* 1.1 1.4 79 TOGWOTEE PASS 9580 1.5 1.9 79* 3.0 2.1 143 TOWNSEND CREEK 8700 .0 .8 0* 2.4 1.7 141 ----- ----- Basin wide percent of average 42* 124 BIGHORN BASIN BALD MTN. 9380 3.3 2.2 150* 3.5 1.9 184 BEAR TRAP MEADOW 8200 .0 .5 0* 1.8 1.4 129 BLACKWATER 9780 3.0 2.5 120* 3.4 2.1 162 BONE SPRINGS DIV 9350 3.4 2.0 170 4.1 2.0 205 EVENING STAR 9200 1.4 2.0 70* 3.9 2.1 186 GRAVE SPRINGS 8550 .0 .9 0* 1.9 1.7 112 KIRWIN 9550 1.5 1.5 100 2.8 1.4 200 MARQUETTE 8760 .0 -M * 3.2 1.9 168 MIDDLE POWDER 7760 .0 1.0 0* 4.1 2.1 195 OWL CREEK 8975 .0 .7 0 1.5 .9 167 POWDER RIVER PASS 9480 1.7 .9 189* 2.8 1.6 175 SHELL CREEK 9580 3.9 2.2 177 3.5 1.6 219 SYLVAN LAKE 8420 .0 1.4 0* 3.9 2.0 195 SYLVAN ROAD 7120 .0 .3 0* 2.0 1.5 133 TIMBER CREEK 7950 .0 .8 0 3.5 1.3 269 YOUNTS PEAK 8350 .0 1.1 0* 2.5 1.5 167 ----- ----- Basin wide percent of average 91* 179 SHOSHONE RIVER BLACKWATER 9780 3.0 2.5 120* 3.4 2.1 162 EVENING STAR 9200 1.4 2.0 70* 3.9 2.1 186 KIRWIN 9550 1.5 1.5 100 2.8 1.4 200 MARQUETTE 8760 .0 -M * 3.2 1.9 168 SYLVAN LAKE 8420 .0 1.4 0* 3.9 2.0 195 SYLVAN ROAD 7120 .0 .3 0* 2.0 1.5 133 YOUNTS PEAK 8350 .0 1.1 0* 2.5 1.5 167 ----- ----- Basin wide percent of average 67* 174 POWDER-TONGUE BEAR TRAP MEADOW 8200 .0 .5 0* 1.8 1.4 129 BIG GOOSE 7990 1.2 .6 200* 4.2 1.8 233 BONE SPRINGS DIV 9350 3.4 2.0 170 4.1 2.0 205 BURGESS JUNCTION 7880 1.2 1.2 100* 4.1 1.8 228 CLOUD PEAK RESERVOIR 9860 1.7 1.3 131* 3.7 2.1 176 DOME LAKE 8880 2.1 1.4 150 4.4 2.0 220 GRAVE SPRINGS 8550 .0 .9 0* 1.9 1.7 112 HANSEN SAWMILL 8360 .0 .6 0* 1.6 1.5 107 LITTLE GOOSE 8870 1.3 -M * 4.6 -M * MIDDLE POWDER 7760 .0 1.0 0* 4.1 2.1 195 POWDER RIVER PASS 9480 1.7 .9 189* 2.8 1.6 175 SOLDIER PARK 8720 .0 -M * 2.4 -M * SUCKER CREEK 8880 2.5 1.0 250* 4.1 2.0 205 TIE CREEK 6870 .1 .6 17* 4.4 2.1 210 ----- ----- Basin wide percent of average 116* 186 BELLE FOURCHE BLIND PARK 6890 .0 .2 0* 1.0 2.1 48 COLE CANYON 5910 .0 .6 0* 1.3 1.5 87 NORTH RAPID CREEK 6130 .0 .3 0* .6 2.0 30 ----- ----- Basin wide percent of average 0* 52 UPPER N. PLATTE RIVER BLACKHALL MTN 9820 1.7 -M * 3.3 -M * CINNABAR PARK 9574 .4 .9 44* 2.4 1.8 133 COLUMBINE 9160 .1 .4 25* 2.3 1.8 128 DIVIDE PEAK 8880 .1 1.3 8* 2.5 2.1 119 ELK RIVER 8700 .0 .4 0* 2.1 1.7 124 JOE WRIGHT 10120 .0 1.8 0* 2.3 2.7 85 NORTH FRENCH CREEK 10130 1.8 2.4 75* 3.2 2.5 128 OLD BATTLE 10000 1.7 2.2 77* 3.1 2.7 115 SAGE CREEK BASIN 7850 .1 .8 13* 1.7 1.2 142 SOUTH BRUSH CREEK 8440 .1 .4 25* 2.4 2.1 114 TOWER 10500 .9 2.3 39* 2.9 2.9 100 WEBBER SPRINGS 9250 .1 1.2 8* 2.7 2.3 117 WILLOW CREEK PASS 9540 1.8 .8 225* 1.2 1.6 75 ----- ----- Basin wide percent of average 48* 113 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 .2 1.6 13* 2.5 1.8 139 CASPER MTN. 7900 1.1 1.3 85* 4.8 2.0 240 DEADMAN HILL 10220 1.0 1.7 59* 2.0 2.0 100 DEER PARK 9700 .8 1.7 47* 2.4 2.0 120 LAPRELE CREEK 8375 .0 .7 0* 1.9 1.5 127 RENO HILL 8400 1.3 1.3 100* 3.2 2.0 160 ROACH 9700 .5 .7 71* 2.2 1.8 122 SAND LAKE 10050 2.3 2.4 96* 3.0 2.3 130 SOUTH PASS 9040 .5 1.2 42* 2.2 1.6 138 WINDY PEAK 7900 .0 .3 0* 1.2 1.3 92 ----- ----- Basin wide percent of average 60* 139 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .0 .3 0* 1.5 1.5 100 DIVIDE PEAK 8880 .1 1.3 8* 2.5 2.1 119 OLD BATTLE 10000 1.7 2.2 77* 3.1 2.7 115 SANDSTONE RS 8150 .0 .3 0* 1.4 1.8 78 WHISKEY PARK 8950 .1 1.2 8* 2.8 2.3 122 ----- ----- Basin wide percent of average 36* 109 UPPER GREEN RIVER BIG SANDY OPENING 9080 1.0 .9 111* 2.0 1.4 143 BLIND BULL SUM 8650 .5 1.1 45* 2.1 1.6 131 EAST RIM DIVIDE 7930 .3 .3 100* 2.2 1.0 220 ELKHART PARK G.S. 9400 .8 .6 133* 2.6 1.5 173 GROS VENTRE SUMMIT 8750 .4 1.0 40* 2.2 1.4 157 GUNSIGHT PASS 9820 .8 -M * 2.5 -M * KENDALL R.S. 7740 .1 .4 25* 2.2 1.2 183 LOOMIS PARK 8240 .2 .6 33* 2.5 1.4 179 NEW FORK LAKE 8340 .1 .3 33* 2.6 1.2 217 POCKET CREEK 9360 1.5 -M * 2.6 -M * SNIDER BASIN 8060 .1 .5 20* 1.7 1.2 142 SPRING CREEK DIVIDE 9000 1.3 1.0 130* 3.3 1.8 183 TRIPLE PEAK 8500 .3 .7 43* 3.0 1.7 176 ----- ----- Basin wide percent of average 69* 171 LOWER GREEN RIVER HAMS FORK 7840 .2 .2 100* 2.6 1.1 236 HEWINTA 9519 .0 .7 0* 2.7 1.9 142 HICKERSON PARK 9145 -M .3 * -M 1.3 * HOLE-IN-ROCK 9150 .6 .3 200* 2.9 1.3 223 INDIAN CREEK 9425 1.7 1.0 170* 3.3 1.9 174 KELLEY R.S. 8180 .2 .6 33* 3.0 1.6 188 STEEL CREEK PARK 10200 1.6 1.3 123* 3.2 1.8 178 ----- ----- Basin wide percent of average 105* 184 UPPER BEAR RIVER BUG LAKE 7950 .1 .9 11* 1.5 1.8 83 HAYDEN FORK 9212 .1 .6 17* 3.9 1.9 205 KELLEY R.S. 8180 .2 .6 33* 3.0 1.6 188 LILY LAKE 9156 .1 .8 13* 2.7 1.9 142 MONTE CRISTO 8960 .0 1.2 0* 2.3 2.2 105 SALT RIVER SUMMIT 7760 .1 .2 50* 2.2 1.5 147 TRIAL LAKE 9992 .6 1.4 43* 2.3 2.1 110 ----- ----- Basin wide percent of average 21* 138 ----------------------------------------------------------------------------- -M = Missing data * = Data may not provide a valid measure of conditions. Units = inches for the Current and Average Snow Water Equivalent and Total Precipitation values If the Basin wide percent of average value is flagged as potentially invalid, care should be taken to evaluate if the value is representative of conditions in the basin. The SNOW WATER EQUIVALENT Percent of Average represents the snow water equivalent found at selected SNOTEL sites in or near the basin compared to the average value for those sites on this day. The TOTAL PRECIPITATION Percent of Average represents the total precipitation (beginning October 1st) found at selected SNOTEL sites in or near the basin compared to the average value for those sites on this day. Contact your state water supply staff for assistance. Reference period for average conditions is 1971-2000. Provisional data, subject to revision. ---------------------------------------------------------------------------- -M = Missing data * = Data may not provide a valid measure of conditions. Units = inches for the Current and Normal Snow Water Equivalent and Total Precipitation values If the Basin Index (%) value is flagged as potentially invalid, care should be taken to evaluate if the value is representative of conditions in the basin. The SNOW WATER EQUIVALENT Percent of Median represents the snow water equivalent found at selected SNOTEL sites in or near the basin compared to the Median value for those sites on this day. The TOTAL PRECIPITATION Percent of Average represents the total precipitation (beginning October 1st) found at selected SNOTEL sites in or near the basin compared to the Average value for those sites on this day. Contact your state water supply staff for assistance. Medians and averages are calculated for the period 1981-2010. Provisional data, subject to revision. * Site -- Either: (a) the current value is missing; (b) the median or average for the day is not available or is zero; or (c) for snow water equivalent, the median for the day is less than 10% of the maximum median value for the year. * Basin - More than half of the sites within the basin are flagged with *, preventing the calculation of a meaningful basin index. The basin index is calculated as the sum of the valid current values divided by the sum of the corresponding medians (for snow water equivalent) or averages (for precipitation) and the resulting fraction multiplied by 100.