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 FRIDAY: JUNE 10 , 2011 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 .0 .0 100* 37.4 27.8 135 COTTONWOOD CREEK 7670 22.3 .0 * 52.2 36.6 143 GRAND TARGHEE 9260 71.9 -M * -M -M * GRANITE CREEK 6770 3.8 .0 * 35.2 25.6 138 GRASSY LAKE 7265 -M 5.8 * 60.8 46.2 132 GROS VENTRE SUMMIT 8750 8.0 .0 * 24.0 18.4 130 GUNSIGHT PASS 9820 22.0 -M * 28.7 -M * LEWIS LAKE DIVIDE 7850 35.6 10.6 336 53.0 46.4 114 PHILLIPS BENCH 8200 29.9 8.1 369 49.1 37.5 131 SALT RIVER SUMMIT 7760 .2 .0 * 30.7 24.6 125 SNAKE RIVER STATION 6920 -M .0 * 38.4 29.2 132 SPRING CREEK DIVIDE 9000 36.3 8.5 427 45.6 33.7 135 THUMB DIVIDE 7980 6.3 .0 * 32.4 25.5 127 TOGWOTEE PASS 9580 38.5 17.2 224 47.3 33.5 141 TWO OCEAN PLATEAU 9240 51.6 20.4 253 47.0 37.3 126 WILLOW CREEK 8380 33.0 7.3 452 61.3 43.6 141 ----- ----- Basin wide percent of average 368* 132 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9360 30.7 14.8 207 38.4 27.9 138 BLACK BEAR 8170 52.3 18.4 284 67.2 51.5 130 CANYON 7870 6.9 .2 3450* 28.2 21.3 132 FISHER CREEK 9100 52.3 24.6 213 57.9 48.0 121 MADISON PLATEAU 7750 24.9 3.3 755 48.4 35.2 138 NORTHEAST ENTRANCE 7350 .0 .0 100* 24.6 18.4 134 PARKER PEAK 9400 37.7 13.2 286 43.2 24.2 179 SYLVAN LAKE 8420 22.8 6.9 330 44.0 30.2 146 THUMB DIVIDE 7980 6.3 .0 * 32.4 25.5 127 TWO OCEAN PLATEAU 9240 51.6 20.4 253 47.0 37.3 126 WHISKEY CREEK 6800 5.8 .0 * 37.6 28.2 133 WHITE MILL 8700 30.8 13.3 232 42.2 36.3 116 WOLVERINE 7650 .0 .0 100* 22.6 19.0 119 ----- ----- Basin wide percent of average 280 132 WIND RIVER BURROUGHS CREEK 8750 14.0 1.1 1273* 29.0 23.4 124 CASTLE CREEK 8400 .0 -M * 14.7 -M * COLD SPRINGS 9630 2.5 .5 500* 20.1 18.0 112 DEER PARK 9700 20.5 6.1 336 34.4 31.9 108 HOBBS PARK 10100 20.8 6.5 320 27.5 21.9 126 LITTLE WARM 9370 8.2 .4 2050* 22.8 20.8 110 SOUTH PASS 9040 12.9 3.3 391 26.3 26.8 98 ST. LAWRENCE ALT 8620 .0 .2 0* 20.1 16.1 125 TOGWOTEE PASS 9580 38.5 17.2 224 47.3 33.5 141 TOWNSEND CREEK 8700 .0 1.0 0 22.1 19.6 113 ----- ----- Basin wide percent of average 323 118 BIGHORN BASIN BALD MTN. 9380 37.6 11.5 327 36.0 26.3 137 BEAR TRAP MEADOW 8200 .0 .1 0* 19.9 15.2 131 BLACKWATER 9780 40.8 19.6 208 42.3 30.2 140 BONE SPRINGS DIV 9350 28.3 4.5 629 31.5 23.5 134 EVENING STAR 9200 37.7 20.3 186 53.6 35.6 151 GRAVE SPRINGS 8550 1.3 1.0 130* 21.2 17.0 125 KIRWIN 9550 12.7 2.9 438 24.4 18.5 132 MARQUETTE 8760 9.2 -M * 20.7 19.3 107 MIDDLE POWDER 7760 1.3 .7 186* 22.7 20.0 114 OWL CREEK 8975 .0 .2 0* 15.1 12.0 126 POWDER RIVER PASS 9480 15.4 .8 1925* 31.5 20.7 152 SHELL CREEK 9580 24.3 6.1 398 31.0 21.7 143 SYLVAN LAKE 8420 22.8 6.9 330 44.0 30.2 146 SYLVAN ROAD 7120 .0 .0 100* 32.9 24.2 136 TIMBER CREEK 7950 .0 .2 0* 16.6 15.3 108 YOUNTS PEAK 8350 13.7 2.6 527 26.1 23.0 113 ----- ----- Basin wide percent of average 305 133 SHOSHONE RIVER BLACKWATER 9780 40.8 19.6 208 42.3 30.2 140 EVENING STAR 9200 37.7 20.3 186 53.6 35.6 151 KIRWIN 9550 12.7 2.9 438 24.4 18.5 132 MARQUETTE 8760 9.2 -M * 20.7 19.3 107 SYLVAN LAKE 8420 22.8 6.9 330 44.0 30.2 146 SYLVAN ROAD 7120 .0 .0 100* 32.9 24.2 136 YOUNTS PEAK 8350 13.7 2.6 527 26.1 23.0 113 ----- ----- Basin wide percent of average 244 135 POWDER-TONGUE BEAR TRAP MEADOW 8200 .0 .1 0* 19.9 15.2 131 BIG GOOSE 7990 4.6 .0 * 25.6 17.0 151 BONE SPRINGS DIV 9350 28.3 4.5 629 31.5 23.5 134 BURGESS JUNCTION 7880 8.0 .7 1143* 26.8 19.5 137 CLOUD PEAK RESERVOIR 9860 21.3 3.7 576 31.2 22.9 136 DOME LAKE 8880 11.8 1.6 738 27.9 21.6 129 GRAVE SPRINGS 8550 1.3 1.0 130* 21.2 17.0 125 HANSEN SAWMILL 8360 .4 .1 400* 21.2 15.2 139 LITTLE GOOSE 8870 10.3 -M * 29.1 -M * MIDDLE POWDER 7760 1.3 .7 186* 22.7 20.0 114 POWDER RIVER PASS 9480 15.4 .8 1925* 31.5 20.7 152 SOLDIER PARK 8720 .0 -M * 21.6 -M * SUCKER CREEK 8880 16.9 1.3 1300* 32.5 22.6 144 TIE CREEK 6870 .0 .2 0* 26.3 18.3 144 ----- ----- Basin wide percent of average 744* 136 BELLE FOURCHE BLIND PARK 6890 .0 .0 100* 29.3 19.0 154 COLE CANYON 5910 .0 .0 100* 26.1 14.2 184 NORTH RAPID CREEK 6130 .0 .0 100* 25.4 15.4 165 ----- ----- Basin wide percent of average * 166 UPPER N. PLATTE RIVER CINNABAR PARK 9574 21.6 .1 21600* 46.1 27.4 168 COLUMBINE 9160 7.1 .2 3550* 48.5 32.8 148 DIVIDE PEAK 8880 4.1 1.1 373* 40.9 28.1 146 ELK RIVER 8700 .1 .1 100* 37.8 26.6 142 JOE WRIGHT 10120 42.4 10.8 393 53.6 35.8 150 NORTH FRENCH CREEK 10130 52.5 16.7 314 -M 35.2 * OLD BATTLE 10000 48.2 18.1 266 67.2 45.0 149 SAGE CREEK BASIN 7850 .0 .6 0* 25.8 16.3 158 SOUTH BRUSH CREEK 8440 .0 .6 0* 32.8 24.4 134 TOWER 10500 71.8 32.9 218 75.5 50.9 148 WEBBER SPRINGS 9250 15.7 2.5 628* 50.9 35.4 144 WILLOW CREEK PASS 9540 8.7 .9 967* 28.7 19.6 146 ----- ----- Basin wide percent of average 322* 148 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 27.3 6.1 448 47.2 31.9 148 CASPER MTN. 7900 .1 2.0 5 23.3 24.9 94 DEADMAN HILL 10220 24.0 6.3 381 34.9 25.4 137 DEER PARK 9700 20.5 6.1 336 34.4 31.9 108 LAPRELE CREEK 8375 .0 .0 100* 22.3 20.9 107 RENO HILL 8400 .0 1.6 0 27.4 25.6 107 ROACH 9700 8.3 2.8 296 35.7 27.2 131 SAND LAKE 10050 -M 17.8 * 52.9 35.2 150 SOUTH PASS 9040 12.9 3.3 391 26.3 26.8 98 WINDY PEAK 7900 .0 .0 100* 20.5 17.9 115 ----- ----- Basin wide percent of average 330 121 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 -M .0 * 25.7 21.4 120 DIVIDE PEAK 8880 4.1 1.1 373* 40.9 28.1 146 OLD BATTLE 10000 48.2 18.1 266 67.2 45.0 149 SANDSTONE RS 8150 .2 .0 * 37.4 25.4 147 WHISKEY PARK 8950 -M 6.3 * 59.2 38.6 153 ----- ----- Basin wide percent of average 273* 145 UPPER GREEN RIVER BIG SANDY OPENING 9080 5.1 .0 * 24.1 19.3 125 BLIND BULL SUM 8650 40.3 12.4 325 33.1 28.8 115 EAST RIM DIVIDE 7930 .0 .0 100* 20.7 16.7 124 ELKHART PARK G.S. 9400 5.4 .0 * 20.7 19.8 105 GROS VENTRE SUMMIT 8750 8.0 .0 * 24.0 18.4 130 GUNSIGHT PASS 9820 22.0 -M * 28.7 -M * KENDALL R.S. 7740 .0 .0 100* 23.5 19.2 122 LOOMIS PARK 8240 7.0 .0 * 31.2 23.1 135 NEW FORK LAKE 8340 .1 .0 * 17.2 16.6 104 POCKET CREEK 9360 8.0 -M * 22.4 -M * SNIDER BASIN 8060 .2 .0 * 26.9 20.9 129 SPRING CREEK DIVIDE 9000 36.3 8.5 427 45.6 33.7 135 TRIPLE PEAK 8500 24.8 .0 * 48.3 32.7 148 ----- ----- Basin wide percent of average 609* 127 LOWER GREEN RIVER HAMS FORK 7840 .0 .0 100* 22.8 17.6 130 HEWINTA 9519 .0 .0 100* 28.5 20.9 136 HICKERSON PARK 9145 .0 .0 100* 18.6 13.1 142 HOLE-IN-ROCK 9150 .0 .0 100* 20.4 12.8 159 INDIAN CREEK 9425 32.1 8.9 361 38.8 33.1 117 KELLEY R.S. 8180 9.7 .0 * 34.1 26.8 127 STEEL CREEK PARK 10200 24.7 7.2 343 33.1 23.9 138 ----- ----- Basin wide percent of average 413* 132 UPPER BEAR RIVER BUG LAKE 7950 20.3 .6 3383* 42.3 25.7 165 HAYDEN FORK 9212 2.9 .2 1450* 43.0 29.2 147 KELLEY R.S. 8180 9.7 .0 * 34.1 26.8 127 LILY LAKE 9156 9.6 .3 3200* 34.2 24.8 138 MONTE CRISTO 8960 44.3 6.6 671 54.6 34.8 157 SALT RIVER SUMMIT 7760 .2 .0 * 30.7 24.6 125 TRIAL LAKE 9992 43.3 9.2 471 48.1 34.2 141 ----- ----- Basin wide percent of average 771* 143 ----------------------------------------------------------------------------- -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.