Supercell over Laramie
WRDS/SCO may be working remotely so there could be a slight delay returning phone calls. Please email wrds@uwyo.edu if you are in need of information and we will respond as soon as possible

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 WEDNESDAY: OCTOBER 21 , 2009 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 .0 .2 0 1.8 1.2 150 COTTONWOOD CREEK 7670 .0 .3 0 3.2 1.7 188 GRAND TARGHEE 9260 4.2 -M * 3.7 -M * GRANITE CREEK 6770 .1 .2 50 1.8 1.0 180 GRASSY LAKE 7265 .1 .5 20 2.2 1.9 116 GROS VENTRE SUMMIT 8750 1.7 .8 212 1.8 1.1 164 GUNSIGHT PASS 9820 1.5 -M * 2.6 -M * LEWIS LAKE DIVIDE 7850 .4 .3 133 2.4 1.7 141 PHILLIPS BENCH 8200 .0 .5 0 2.0 1.3 154 SALT RIVER SUMMIT 7760 .0 .0 100 2.2 1.1 200 SNAKE RIVER STATION 6920 .0 .1 0 1.9 1.3 146 SPRING CREEK DIVIDE 9000 2.8 .6 467 3.4 1.4 243 THUMB DIVIDE 7980 .0 .3 0 3.1 1.3 238 TOGWOTEE PASS 9580 3.1 1.4 221 3.0 1.6 188 TWO OCEAN PLATEAU 9240 3.0 1.7 176 2.3 1.8 128 WILLOW CREEK 8380 1.4 .8 175 4.3 2.2 195 ----- ----- Basin wide percent of average 164 172 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9360 2.5 1.7 147 2.0 1.2 167 BLACK BEAR 8170 3.0 1.1 273 4.2 1.9 221 CANYON 7870 .7 .3 233 1.9 1.0 190 FISHER CREEK 9100 2.8 1.3 215 2.9 1.9 153 MADISON PLATEAU 7750 1.3 .6 217 3.9 1.5 260 NORTHEAST ENTRANCE 7350 .0 .1 0 1.8 .9 200 PARKER PEAK 9400 2.8 1.8 156 2.1 1.5 140 SYLVAN LAKE 8420 .2 1.1 18 1.8 1.5 120 THUMB DIVIDE 7980 .0 .3 0 3.1 1.3 238 TWO OCEAN PLATEAU 9240 3.0 1.7 176 2.3 1.8 128 WHISKEY CREEK 6800 .2 .2 100 2.6 1.2 217 WHITE MILL 8700 2.4 .9 267 2.2 1.6 138 WOLVERINE 7650 .2 .2 100 1.3 1.2 108 ----- ----- Basin wide percent of average 169 174 WIND RIVER BURROUGHS CREEK 8750 2.4 .4 600 2.2 1.0 220 COLD SPRINGS 9630 1.9 .6 317 2.4 1.1 218 DEER PARK 9700 2.8 1.1 255 3.7 1.4 264 HOBBS PARK 10100 3.4 1.4 243 -M 1.3 * LITTLE WARM 9370 1.4 .7 200 2.0 1.0 200 SOUTH PASS 9040 2.5 .7 357 3.3 1.2 275 ST. LAWRENCE ALT 8620 1.2 .5 240 2.9 1.1 264 TOGWOTEE PASS 9580 3.1 1.4 221 3.0 1.6 188 TOWNSEND CREEK 8700 2.1 .6 350 3.1 1.3 238 ----- ----- Basin wide percent of average 281 233 BIGHORN BASIN BALD MTN. 9380 2.3 1.8 128 2.2 1.5 147 BEAR TRAP MEADOW 8200 .6 .4 150 1.7 1.1 155 BLACKWATER 9780 3.0 2.1 143 2.5 1.6 156 BONE SPRINGS DIV 9350 1.5 1.7 88 1.9 1.6 119 EVENING STAR 9200 3.0 1.6 188 3.3 1.6 206 GRAVE SPRINGS 8550 1.6 .7 229 2.4 1.4 171 KIRWIN 9550 2.4 1.1 218 2.0 1.1 182 MARQUETTE 8760 2.2 1.3 169 2.2 1.4 157 MIDDLE POWDER 7760 1.8 .9 200 2.3 1.7 135 OWL CREEK 8975 2.1 .6 350 1.7 .7 243 POWDER RIVER PASS 9480 1.6 .8 200 1.7 1.2 142 SHELL CREEK 9580 2.3 1.9 121 1.9 1.3 146 SYLVAN LAKE 8420 .2 1.1 18 1.8 1.5 120 SYLVAN ROAD 7120 .0 .2 0 1.4 1.1 127 TIMBER CREEK 7950 .9 .6 150 2.0 1.0 200 YOUNTS PEAK 8350 1.0 .7 143 1.6 1.1 145 ----- ----- Basin wide percent of average 151 156 SHOSHONE RIVER BLACKWATER 9780 3.0 2.1 143 2.5 1.6 156 EVENING STAR 9200 3.0 1.6 188 3.3 1.6 206 KIRWIN 9550 2.4 1.1 218 2.0 1.1 182 MARQUETTE 8760 2.2 1.3 169 2.2 1.4 157 SYLVAN LAKE 8420 .2 1.1 18 1.8 1.5 120 SYLVAN ROAD 7120 .0 .2 0 1.4 1.1 127 YOUNTS PEAK 8350 1.0 .7 143 1.6 1.1 145 ----- ----- Basin wide percent of average 146 157 POWDER-TONGUE BEAR TRAP MEADOW 8200 .6 .4 150 1.7 1.1 155 BIG GOOSE 7990 .5 .5 100 1.9 1.4 136 BONE SPRINGS DIV 9350 1.5 1.7 88 1.9 1.6 119 BURGESS JUNCTION 7880 1.3 1.0 130 2.1 1.5 140 CLOUD PEAK RESERVOIR 9860 1.7 .9 189 2.6 1.7 153 DOME LAKE 8880 1.2 1.1 109 2.3 1.6 144 GRAVE SPRINGS 8550 1.6 .7 229 2.4 1.4 171 HANSEN SAWMILL 8360 1.0 .4 250 1.8 1.2 150 MIDDLE POWDER 7760 1.8 .9 200 2.3 1.7 135 POWDER RIVER PASS 9480 1.6 .8 200 1.7 1.2 142 SUCKER CREEK 8880 1.5 .8 188 1.9 1.6 119 TIE CREEK 6870 .1 .4 25 2.3 1.7 135 ----- ----- Basin wide percent of average 150 141 BELLE FOURCHE BLIND PARK 6890 .3 .1 300 2.4 1.6 150 COLE CANYON 5910 .0 .4 0 2.9 1.2 242 NORTH RAPID CREEK 6130 .3 .2 150 2.4 1.6 150 ----- ----- Basin wide percent of average 86 175 UPPER N. PLATTE RIVER COLUMBINE 9160 .0 .1 0 2.6 1.3 200 DIVIDE PEAK 8880 .2 1.0 20 3.1 1.7 182 ELK RIVER 8700 .1 .2 50 2.2 1.3 169 JOE WRIGHT 10120 .9 1.3 69 2.3 2.1 110 NORTH FRENCH CREEK 10130 5.2 1.9 274 5.5 1.9 289 OLD BATTLE 10000 5.1 1.6 319 5.5 2.1 262 SAGE CREEK BASIN 7850 .0 .6 0 2.1 1.0 210 SOUTH BRUSH CREEK 8440 .1 .3 33 3.2 1.6 200 TOWER 10500 5.2 1.6 325 5.4 2.2 245 WEBBER SPRINGS 9250 1.6 .8 200 4.1 1.8 228 WILLOW CREEK PASS 9540 .4 .5 80 1.6 1.2 133 ----- ----- Basin wide percent of average 190 207 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 3.6 1.2 300 -M 1.4 * CASPER MTN. 7900 .0 .9 0 2.2 1.5 147 DEADMAN HILL 10220 .4 1.3 31 2.8 1.5 187 DEER PARK 9700 2.8 1.1 255 3.7 1.4 264 LAPRELE CREEK 8375 .0 .4 0 2.0 1.1 182 RENO HILL 8400 .6 1.0 60 1.9 1.5 127 ROACH 9700 1.4 .5 280 2.9 1.4 207 SAND LAKE 10050 4.9 1.8 272 5.1 1.8 283 SOUTH PASS 9040 2.5 .7 357 3.3 1.2 275 WINDY PEAK 7900 .4 .2 200 2.0 1.1 182 ----- ----- Basin wide percent of average 182 207 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .1 .1 100 1.3 1.1 118 DIVIDE PEAK 8880 .2 1.0 20 3.1 1.7 182 OLD BATTLE 10000 5.1 1.6 319 5.5 2.1 262 SANDSTONE RS 8150 -M .2 * 1.6 1.4 114 WHISKEY PARK 8950 1.0 .8 125 4.1 1.8 228 ----- ----- Basin wide percent of average 183 193 UPPER GREEN RIVER BIG SANDY OPENING 9080 2.9 .6 483 3.0 1.1 273 BLIND BULL SUM 8650 2.0 .7 286 1.9 1.2 158 EAST RIM DIVIDE 7930 .1 .2 50 1.8 .8 225 ELKHART PARK G.S. 9400 2.3 .4 575 2.6 1.2 217 GROS VENTRE SUMMIT 8750 1.7 .8 212 1.8 1.1 164 GUNSIGHT PASS 9820 1.5 -M * 2.6 -M * KENDALL R.S. 7740 .1 .2 50 1.9 .9 211 LOOMIS PARK 8240 .2 .4 50 2.0 1.0 200 NEW FORK LAKE 8340 .0 .2 0 1.5 .9 167 SNIDER BASIN 8060 .8 .3 267 2.4 .9 267 SPRING CREEK DIVIDE 9000 2.8 .6 467 3.4 1.4 243 TRIPLE PEAK 8500 2.0 .4 500 3.5 1.3 269 ----- ----- Basin wide percent of average 310 219 LOWER GREEN RIVER HAMS FORK 7840 .2 .1 200 2.7 .8 338 HEWINTA 9519 .1 .5 20 1.1 1.5 73 HICKERSON PARK 9145 .2 .1 200 1.0 1.0 100 HOLE-IN-ROCK 9150 .1 .2 50 1.3 1.1 118 INDIAN CREEK 9425 4.1 .7 586 4.2 1.4 300 KELLEY R.S. 8180 1.0 .4 250 3.2 1.2 267 STEEL CREEK PARK 10200 1.4 1.0 140 1.2 1.4 86 ----- ----- Basin wide percent of average 237 175 UPPER BEAR RIVER BUG LAKE 7950 .1 .7 14 2.6 1.4 186 HAYDEN FORK 9212 .1 .5 20 1.9 1.4 136 KELLEY R.S. 8180 1.0 .4 250 3.2 1.2 267 LILY LAKE 9156 .2 .6 33 1.3 1.4 93 MONTE CRISTO 8960 1.2 .9 133 3.0 1.7 176 SALT RIVER SUMMIT 7760 .0 .0 100 2.2 1.1 200 TRIAL LAKE 9992 2.0 1.1 182 2.4 1.6 150 ----- ----- Basin wide percent of average 110 169 ----------------------------------------------------------------------------- -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 1961-90. 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.