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 MONDAY: OCTOBER 21 , 2013 ------------------------------------------------------------------------------ BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Median Median Current Average Avg ------------------------------------------------------------------------------ WYOMING SNAKE RIVER BASE CAMP 7030 .1 .0 * 1.3 1.3 100 BLACK BEAR 8170 1.7 1.6 106* 2.0 2.4 83 BLIND BULL SUM 8650 .7 .5 140* 1.4 1.3 108 COTTONWOOD CREEK 7670 .4 .0 * 1.6 1.7 94 EAST RIM DIVIDE 7930 .1 .0 * 1.2 .9 133 GRAND TARGHEE 9260 2.3 3.4 68* 2.9 4.3 67 GRANITE CREEK 6770 .1 .0 * 1.1 1.2 92 GRASSY LAKE 7265 .2 .0 * 1.5 2.1 71 GROS VENTRE SUMMIT 8750 2.1 .9 233* 2.0 1.2 167 GUNSIGHT PASS 9820 2.1 .5 420* 2.4 1.5 160 LEWIS LAKE DIVIDE 7850 .0 .0 * 1.3 2.0 65 PHILLIPS BENCH 8200 .5 .0 * 1.4 1.5 93 SALT RIVER SUMMIT 7760 .0 .0 * 1.3 1.1 118 SNAKE RIVER STATION 6920 .0 .0 * 1.0 1.8 56 SPRING CREEK DIVIDE 9000 .5 .5 100* 1.1 1.4 79 THUMB DIVIDE 7980 .0 .0 * 1.2 1.5 80 TOGWOTEE PASS 9580 3.3 1.8 183* 2.3 1.8 128 TWO OCEAN PLATEAU 9240 3.2 2.1 152* 2.3 2.0 115 WILLOW CREEK 8380 .2 .0 * 2.5 2.3 109 YOUNTS PEAK 8350 -M .7 * -M 1.5 * ----- ----- Basin Index (%) 155* 95 MADISON-GALLATIN BLACK BEAR 8170 1.7 1.6 106* 2.0 2.4 83 CANYON 7870 .5 .2 250* 1.7 1.3 131 MADISON PLATEAU 7750 .0 .6 0* 1.7 1.8 94 WEST YELLOWSTONE 6700 .0 .0 * 1.2 1.3 92 WHISKEY CREEK 6800 .2 .0 * 1.3 1.5 87 ----- ----- Basin Index (%) 100* 95 YELLOWSTONE BEARTOOTH LAKE 9360 2.6 1.6 162* 1.5 1.5 100 BURNT MTN 5880 2.0 .0 * 5.2 2.6 200 CANYON 7870 .5 .2 250* 1.7 1.3 131 COLE CREEK 7850 4.9 1.6 306* 3.9 2.2 177 EVENING STAR 9200 3.1 1.2 258* 2.5 2.1 119 FISHER CREEK 9100 3.3 1.5 220* 2.2 2.3 96 NORTHEAST ENTRANCE 7350 .0 .0 * .8 1.2 67 PARKER PEAK 9400 3.1 1.5 207* 2.2 1.9 116 SYLVAN LAKE 8420 1.1 .9 122* 2.1 2.1 100 THUMB DIVIDE 7980 .0 .0 * 1.2 1.5 80 TWO OCEAN PLATEAU 9240 3.2 2.1 152* 2.3 2.0 115 WHITE MILL 8700 2.4 1.2 200* 1.7 1.8 94 WOLVERINE 7650 .0 .0 * 1.3 1.3 100 ----- ----- Basin Index (%) 222* 120 WIND RIVER BURROUGHS CREEK 8750 -M .4 * -M 1.2 * CASTLE CREEK 8400 .5 -M * 1.8 -M * COLD SPRINGS 9630 2.4 .2 1200* 3.5 1.3 269 DEER PARK 9700 2.4 1.1 218* 2.8 1.9 147 HOBBS PARK 10100 3.5 1.0 350* 3.7 1.5 247 KIRWIN 9550 3.3 .9 367* 2.6 1.3 200 LITTLE WARM 9370 2.4 .5 480* 3.2 1.3 246 OWL CREEK 8975 1.7 .3 567* 2.0 .9 222 SOUTH PASS 9040 1.8 .3 600* 2.6 1.4 186 ST. LAWRENCE ALT 8620 1.1 .0 * 3.3 1.2 275 TOGWOTEE PASS 9580 3.3 1.8 183* 2.3 1.8 128 TOWNSEND CREEK 8700 -M .0 * -M 1.5 * ----- ----- Basin Index (%) 359* 206 BIGHORN BASIN BALD MTN. 9380 5.1 2.1 243 3.6 1.9 189 BEAR TRAP MEADOW 8200 2.4 .2 1200* 3.5 1.2 292 BONE SPRINGS DIV 9350 3.4 1.6 212* 2.9 1.9 153 GRAVE SPRINGS 8550 3.4 .4 850* 4.0 1.6 250 KIRWIN 9550 3.3 .9 367* 2.6 1.3 200 MARQUETTE 8760 3.7 -M * 4.2 -M * MIDDLE POWDER 7760 5.7 .5 1140* 5.0 1.7 294 OWL CREEK 8975 1.7 .3 567* 2.0 .9 222 POWDER RIVER PASS 9480 3.1 .7 443* 1.2 1.5 80 SHELL CREEK 9580 3.7 2.1 176 2.7 1.7 159 TIMBER CREEK 7950 2.2 .2 1100* 3.5 1.5 233 ----- ----- Basin Index (%) 378* 204 SHOSHONE RIVER BLACKWATER 9780 4.4 1.7 259* 2.3 1.9 121 EVENING STAR 9200 3.1 1.2 258* 2.5 2.1 119 MARQUETTE 8760 3.7 -M * 4.2 -M * SYLVAN ROAD 7120 .0 .0 * 2.0 1.6 125 YOUNTS PEAK 8350 -M .7 * -M 1.5 * ----- ----- Basin Index (%) 259* 121 POWDER RIVER BEAR TRAP MEADOW 8200 2.4 .2 1200* 3.5 1.2 292 CLOUD PEAK RESERVOIR 9860 3.5 1.1 318* 4.3 2.0 215 GRAVE SPRINGS 8550 3.4 .4 850* 4.0 1.6 250 HANSEN SAWMILL 8360 2.3 .0 * 3.6 1.3 277 MIDDLE POWDER 7760 5.7 .5 1140* 5.0 1.7 294 POWDER RIVER PASS 9480 3.1 .7 443* 1.2 1.5 80 SOLDIER PARK 8720 1.9 -M * 3.4 -M * ----- ----- Basin Index (%) 703* 232 TONGUE RIVER BIG GOOSE 7990 2.7 .6 450* 4.1 1.9 216 BONE SPRINGS DIV 9350 3.4 1.6 212* 2.9 1.9 153 BURGESS JUNCTION 7880 3.1 .7 443* 4.1 1.7 241 DOME LAKE 8880 2.6 1.0 260* 3.7 1.9 195 LITTLE GOOSE 8870 3.4 -M * 5.0 -M * SUCKER CREEK 8880 4.4 .9 489* 5.0 1.9 263 TIE CREEK 6870 2.0 .0 * 4.5 2.0 225 ----- ----- Basin Index (%) 379* 215 BELLE FOURCHE COLE CANYON 5910 2.5 .0 * 6.7 1.4 479 ----- ----- Basin Index (%) * 479 CHEYENNE RIVER BASIN BLIND PARK 6890 2.9 .0 * 6.9 1.6 431 NORTH RAPID CREEK 6130 3.9 .0 * 7.1 1.5 473 ----- ----- Basin Index (%) * 452 UPPER N. PLATTE ARAPAHO RIDGE 10960 2.6 1.6 162* 3.3 2.2 150 BLACKHALL MTN 9820 3.9 -M * 5.0 -M * COLUMBINE 9160 1.4 .0 * 3.3 1.8 183 DIVIDE PEAK 8880 2.5 .6 417* 4.8 2.1 229 JOE WRIGHT 10120 1.6 1.0 160* 4.7 2.3 204 LAPRELE CREEK 8375 .7 .0 * 2.6 1.3 200 MED BOW 10500 4.4 -M * 5.3 -M * NORTH FRENCH CREEK 10130 -M 1.4 * -M 2.2 * NEVER SUMMER 10280 2.8 1.1 255* 3.5 -M * OLD BATTLE 10000 3.7 1.4 264* 4.2 2.8 150 RAWAH 9020 1.9 .0 * 4.1 1.5 273 SAGE CREEK BASIN 7850 .2 .0 * 2.9 1.5 193 SAND LAKE 10050 4.4 1.5 293* 5.0 2.1 238 SOUTH BRUSH CREEK 8440 2.3 .0 * -M 1.6 * TOWER 10500 5.0 1.9 263* 5.5 2.8 196 WEBBER SPRINGS 9250 1.7 .4 425* 3.6 2.1 171 WILLOW CREEK PASS 9540 2.2 .4 550* 2.6 1.3 200 ZIRKEL 9340 -M .0 * 3.0 2.9 103 ----- ----- Basin Index (%) 333* 186 SWEETWATER DEER PARK 9700 2.4 1.1 218* 2.8 1.9 147 LARSEN CREEK 9000 .0 -M * 1.9 -M * SOUTH PASS 9040 1.8 .3 600* 2.6 1.4 186 ----- ----- Basin Index (%) 300* 164 LOWER N. PLATTE CASPER MTN. 7900 -M .2 * -M 1.8 * LAPRELE CREEK 8375 .7 .0 * 2.6 1.3 200 RENO HILL 8400 -M .7 * -M 1.7 * WINDY PEAK 7900 .5 .0 * 2.6 1.1 236 ----- ----- Basin Index (%) * 217 LARAMIE RIVER BROOKLYN LAKE 10240 1.8 .4 450* 2.8 1.6 175 CINNABAR PARK 9574 2.0 .6 333* 3.3 1.9 174 CROW CREEK 8330 .7 .0 * 2.7 1.3 208 DEADMAN HILL 10220 2.9 1.2 242* 3.7 1.6 231 RAWAH 9020 1.9 .0 * 4.1 1.5 273 ROACH 9700 -M .4 * -M 1.6 * ----- ----- Basin Index (%) 423* 210 S. PLATTE BLACK MOUNTAIN 8920 1.5 -M * 2.7 -M * CROW CREEK 8330 .7 .0 * 2.7 1.3 208 DEADMAN HILL 10220 2.9 1.2 242* 3.7 1.6 231 ----- ----- Basin Index (%) 300* 221 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .9 .0 * 3.1 1.2 258 DIVIDE PEAK 8880 2.5 .6 417* 4.8 2.1 229 ELK RIVER 8700 1.1 .0 * 3.0 1.7 176 LITTLE SNAKE RIVER 8915 2.0 .5 400* 4.7 3.1 152 OLD BATTLE 10000 3.7 1.4 264* 4.2 2.8 150 SAGE CREEK BASIN 7850 .2 .0 * 2.9 1.5 193 SANDSTONE RS 8150 1.5 .0 * 3.4 1.4 243 WHISKEY PARK 8950 3.4 .2 1700* 5.2 1.8 289 ----- ----- Basin Index (%) 567* 201 UPPER GREEN RIVER BIG SANDY OPENING 9080 1.2 .7 171* 1.4 1.2 117 BLIND BULL SUM 8650 .7 .5 140* 1.4 1.3 108 EAST RIM DIVIDE 7930 .1 .0 * 1.2 .9 133 ELKHART PARK G.S. 9400 1.2 .4 300* 1.8 1.2 150 GROS VENTRE SUMMIT 8750 2.1 .9 233* 2.0 1.2 167 GUNSIGHT PASS 9820 2.1 .5 420* 2.4 1.5 160 KENDALL R.S. 7740 .1 .0 * 1.2 .9 133 LOOMIS PARK 8240 .4 .0 * 1.3 1.1 118 NEW FORK LAKE 8340 .3 .0 * .7 .8 88 POCKET CREEK 9360 2.2 -M * 2.5 -M * SNIDER BASIN 8060 .1 .0 * .9 .9 100 SPRING CREEK DIVIDE 9000 .5 .5 100* 1.1 1.4 79 TRIPLE PEAK 8500 .8 .3 267* 1.3 1.4 93 ----- ----- Basin Index (%) 253* 121 LOWER GREEN RIVER BLACKS FORK JCT 8870 -M -M * 1.8 -M * BUCK PASTURE 9700 .7 -M * 2.3 -M * EF BLACKS FORK GS 9360 .6 -M * 1.8 -M * HAMS FORK 7840 .0 .0 * 1.4 .9 156 HEWINTA 9519 .0 .0 * 2.0 1.4 143 HICKERSON PARK 9145 .2 .0 * 1.6 1.2 133 HOLE-IN-ROCK 9150 .0 .0 * 1.3 1.3 100 INDIAN CREEK 9425 .8 .9 89* 1.5 1.4 107 KELLEY R.S. 8180 .6 .0 * 1.6 1.2 133 SPIRIT LK 10235 1.1 -M * 2.0 -M * STEEL CREEK PARK 10200 .1 .7 14* 2.4 1.6 150 ----- ----- Basin Index (%) 106* 131 UPPER BEAR RIVER BEAR RIVER RS 8777 .0 -M * 1.7 -M * BUG LAKE 7950 1.0 .0 * 1.5 1.5 100 BURTS MILLER RANCH 8000 .2 -M * .8 -M * CHALK CREEK #1 8993 1.2 .4 300* 2.4 2.0 120 HAYDEN FORK 9212 .1 .0 * 2.5 1.7 147 KELLEY R.S. 8180 .6 .0 * 1.6 1.2 133 LILY LAKE 9156 .2 .0 * 2.5 1.6 156 MONTE CRISTO 8960 .4 .0 * 1.6 1.8 89 SALT RIVER SUMMIT 7760 .0 .0 * 1.3 1.1 118 ----- ----- Basin Index (%) 875* 123 ----------------------------------------------------------------------------- -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. ---------------------------------------------------------------------------- -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.