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 THURSDAY: JUNE 2 , 2011 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 8.2 .0 * 36.5 27.2 134 COTTONWOOD CREEK 7670 28.2 4.5 627 50.8 35.9 142 GRAND TARGHEE 9260 -M -M * -M -M * GRANITE CREEK 6770 11.9 .4 2975* 34.8 25.0 139 GRASSY LAKE 7265 -M 13.1 * 58.0 45.2 128 GROS VENTRE SUMMIT 8750 14.3 3.3 433 23.6 17.8 133 GUNSIGHT PASS 9820 25.9 -M * 28.0 -M * LEWIS LAKE DIVIDE 7850 43.9 17.1 257 51.1 45.5 112 PHILLIPS BENCH 8200 36.7 13.3 276 48.1 36.7 131 SALT RIVER SUMMIT 7760 7.3 .0 * 29.6 24.2 122 SNAKE RIVER STATION 6920 -M .0 * 37.5 28.5 132 SPRING CREEK DIVIDE 9000 42.7 14.3 299 44.6 33.2 134 THUMB DIVIDE 7980 14.6 1.4 1043* 31.0 24.9 124 TOGWOTEE PASS 9580 42.0 21.5 195 46.3 32.8 141 TWO OCEAN PLATEAU 9240 55.1 24.7 223 45.8 36.4 126 WILLOW CREEK 8380 41.5 13.6 305 59.2 42.7 139 ----- ----- Basin wide percent of average 304 131 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9360 32.7 19.5 168 37.0 27.1 137 BLACK BEAR 8170 53.9 25.3 213 63.4 50.4 126 CANYON 7870 13.0 1.1 1182* 27.3 20.6 133 FISHER CREEK 9100 54.0 29.7 182 56.2 46.8 120 MADISON PLATEAU 7750 31.2 8.3 376 46.2 34.4 134 NORTHEAST ENTRANCE 7350 .0 .3 0* 23.3 17.7 132 PARKER PEAK 9400 41.0 17.8 230 42.0 23.3 180 SYLVAN LAKE 8420 27.3 10.8 253 42.2 29.1 145 THUMB DIVIDE 7980 14.6 1.4 1043* 31.0 24.9 124 TWO OCEAN PLATEAU 9240 55.1 24.7 223 45.8 36.4 126 WHISKEY CREEK 6800 12.7 .9 1411* 35.1 27.4 128 WHITE MILL 8700 34.6 17.5 198 41.0 35.3 116 WOLVERINE 7650 1.5 .0 * 22.5 18.4 122 ----- ----- Basin wide percent of average 236 131 WIND RIVER BURROUGHS CREEK 8750 19.6 3.1 632 28.9 22.7 127 CASTLE CREEK 8400 .0 -M * 14.5 -M * COLD SPRINGS 9630 9.9 1.0 990 20.2 17.2 117 DEER PARK 9700 25.1 7.3 344 34.2 31.0 110 HOBBS PARK 10100 25.3 9.7 261 27.4 21.1 130 LITTLE WARM 9370 14.9 1.6 931 22.5 20.1 112 SOUTH PASS 9040 19.8 5.9 336 26.3 26.1 101 ST. LAWRENCE ALT 8620 1.0 .5 200* 19.8 15.3 129 TOGWOTEE PASS 9580 42.0 21.5 195 46.3 32.8 141 TOWNSEND CREEK 8700 6.7 1.6 419 22.1 18.9 117 ----- ----- Basin wide percent of average 315 121 BIGHORN BASIN BALD MTN. 9380 40.7 16.2 251 34.3 25.4 135 BEAR TRAP MEADOW 8200 6.6 .0 * 20.1 14.3 141 BLACKWATER 9780 43.1 24.2 178 41.8 29.0 144 BONE SPRINGS DIV 9350 32.9 7.7 427 29.8 22.4 133 EVENING STAR 9200 42.2 26.1 162 51.9 34.5 150 GRAVE SPRINGS 8550 11.7 1.5 780 21.0 16.2 130 KIRWIN 9550 18.1 5.2 348 24.2 17.6 138 MARQUETTE 8760 14.2 -M * 20.2 18.2 111 MIDDLE POWDER 7760 10.9 2.3 474 21.6 19.2 113 OWL CREEK 8975 1.2 .4 300* 14.9 11.2 133 POWDER RIVER PASS 9480 22.0 1.9 1158 30.5 19.7 155 SHELL CREEK 9580 28.9 9.9 292 29.6 20.6 144 SYLVAN LAKE 8420 27.3 10.8 253 42.2 29.1 145 SYLVAN ROAD 7120 .0 .0 100* 31.3 23.4 134 TIMBER CREEK 7950 .7 .4 175* 16.3 14.5 112 YOUNTS PEAK 8350 19.8 6.4 309 25.6 22.2 115 ----- ----- Basin wide percent of average 271 135 SHOSHONE RIVER BLACKWATER 9780 43.1 24.2 178 41.8 29.0 144 EVENING STAR 9200 42.2 26.1 162 51.9 34.5 150 KIRWIN 9550 18.1 5.2 348 24.2 17.6 138 MARQUETTE 8760 14.2 -M * 20.2 18.2 111 SYLVAN LAKE 8420 27.3 10.8 253 42.2 29.1 145 SYLVAN ROAD 7120 .0 .0 100* 31.3 23.4 134 YOUNTS PEAK 8350 19.8 6.4 309 25.6 22.2 115 ----- ----- Basin wide percent of average 207 136 POWDER-TONGUE BEAR TRAP MEADOW 8200 6.6 .0 * 20.1 14.3 141 BIG GOOSE 7990 12.4 2.1 590 24.2 16.5 147 BONE SPRINGS DIV 9350 32.9 7.7 427 29.8 22.4 133 BURGESS JUNCTION 7880 15.0 2.2 682 25.8 18.6 139 CLOUD PEAK RESERVOIR 9860 26.9 7.2 374 30.1 21.8 138 DOME LAKE 8880 19.5 3.0 650 26.9 20.7 130 GRAVE SPRINGS 8550 11.7 1.5 780 21.0 16.2 130 HANSEN SAWMILL 8360 6.3 .2 3150* 20.2 14.2 142 LITTLE GOOSE 8870 16.9 -M * 27.8 -M * MIDDLE POWDER 7760 10.9 2.3 474 21.6 19.2 113 POWDER RIVER PASS 9480 22.0 1.9 1158 30.5 19.7 155 SOLDIER PARK 8720 9.5 -M * 20.5 -M * SUCKER CREEK 8880 23.3 3.3 706 31.5 21.6 146 TIE CREEK 6870 1.7 .0 * 25.0 17.3 145 ----- ----- Basin wide percent of average 603 138 BELLE FOURCHE BLIND PARK 6890 .0 .0 100* 28.5 18.0 158 COLE CANYON 5910 .0 .0 100* 25.0 13.0 192 NORTH RAPID CREEK 6130 .0 .0 100* 24.5 14.2 173 ----- ----- Basin wide percent of average * 173 UPPER N. PLATTE RIVER CINNABAR PARK 9574 27.6 1.2 2300* 46.9 26.9 174 COLUMBINE 9160 25.3 1.6 1581* 48.7 32.3 151 DIVIDE PEAK 8880 20.0 3.3 606 41.2 27.6 149 ELK RIVER 8700 13.2 1.1 1200* 38.0 26.1 146 JOE WRIGHT 10120 49.7 16.3 305 53.7 34.9 154 NORTH FRENCH CREEK 10130 63.1 23.1 273 -M 34.4 * OLD BATTLE 10000 -M 24.8 * 67.2 44.3 152 SAGE CREEK BASIN 7850 .0 1.9 0 25.9 16.0 162 SOUTH BRUSH CREEK 8440 9.6 1.6 600 33.1 23.7 140 TOWER 10500 78.7 41.6 189 73.2 50.1 146 WEBBER SPRINGS 9250 -M 6.0 * 51.1 34.8 147 WILLOW CREEK PASS 9540 -M 2.8 * 29.0 18.9 153 ----- ----- Basin wide percent of average 313 151 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 38.5 11.0 350 47.2 31.2 151 CASPER MTN. 7900 2.4 3.9 62 23.2 24.1 96 DEADMAN HILL 10220 29.4 10.7 275 35.0 24.8 141 DEER PARK 9700 25.1 7.3 344 34.2 31.0 110 LAPRELE CREEK 8375 1.0 .7 143* 22.3 20.2 110 RENO HILL 8400 9.7 3.2 303 27.7 24.8 112 ROACH 9700 20.1 5.5 365 35.8 26.5 135 SAND LAKE 10050 51.6 24.9 207 53.0 34.4 154 SOUTH PASS 9040 19.8 5.9 336 26.3 26.1 101 WINDY PEAK 7900 .0 .0 100* 20.4 17.2 119 ----- ----- Basin wide percent of average 270 125 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 -M .0 * 25.9 21.0 123 DIVIDE PEAK 8880 20.0 3.3 606 41.2 27.6 149 OLD BATTLE 10000 -M 24.8 * 67.2 44.3 152 SANDSTONE RS 8150 5.5 .0 * 37.4 24.8 151 WHISKEY PARK 8950 -M 12.7 * 59.4 37.9 157 ----- ----- Basin wide percent of average 773* 149 UPPER GREEN RIVER BIG SANDY OPENING 9080 13.3 1.0 1330* 23.9 18.7 128 BLIND BULL SUM 8650 41.4 17.2 241 32.5 28.2 115 EAST RIM DIVIDE 7930 .0 1.0 0* 20.1 16.1 125 ELKHART PARK G.S. 9400 12.2 2.9 421 20.2 19.1 106 GROS VENTRE SUMMIT 8750 14.3 3.3 433 23.6 17.8 133 GUNSIGHT PASS 9820 25.9 -M * 28.0 -M * KENDALL R.S. 7740 .2 .0 * 23.1 18.7 124 LOOMIS PARK 8240 13.0 1.9 684 30.8 22.6 136 NEW FORK LAKE 8340 1.1 .0 * 17.2 16.0 108 POCKET CREEK 9360 14.0 -M * 22.1 -M * SNIDER BASIN 8060 8.7 .0 * 26.6 20.5 130 SPRING CREEK DIVIDE 9000 42.7 14.3 299 44.6 33.2 134 TRIPLE PEAK 8500 32.4 4.0 810 47.4 32.0 148 ----- ----- Basin wide percent of average 393* 128 LOWER GREEN RIVER HAMS FORK 7840 .0 .0 100* 23.4 17.1 137 HEWINTA 9519 9.4 .5 1880* 28.6 20.4 140 HICKERSON PARK 9145 .0 .0 100* 18.8 12.7 148 HOLE-IN-ROCK 9150 .2 .0 * 20.5 12.3 167 INDIAN CREEK 9425 39.0 14.1 277 38.5 32.6 118 KELLEY R.S. 8180 16.2 1.0 1620* 33.7 26.3 128 STEEL CREEK PARK 10200 29.2 11.3 258 33.1 23.3 142 ----- ----- Basin wide percent of average 349* 136 UPPER BEAR RIVER BUG LAKE 7950 30.5 2.3 1326 41.8 25.2 166 HAYDEN FORK 9212 14.9 1.2 1242* 42.8 28.6 150 KELLEY R.S. 8180 16.2 1.0 1620* 33.7 26.3 128 LILY LAKE 9156 20.9 1.2 1742* 34.1 24.2 141 MONTE CRISTO 8960 49.6 11.8 420 54.0 34.1 158 SALT RIVER SUMMIT 7760 7.3 .0 * 29.6 24.2 122 TRIAL LAKE 9992 51.3 13.9 369 48.0 33.5 143 ----- ----- Basin wide percent of average 607* 145 ----------------------------------------------------------------------------- -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.