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 WEDNESDAY: JUNE 15 , 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* 38.6 28.2 137 COTTONWOOD CREEK 7670 17.9 .0 * 53.1 37.0 144 GRAND TARGHEE 9260 70.6 -M * 58.1 -M * GRANITE CREEK 6770 .0 .0 100* 36.4 25.9 141 GRASSY LAKE 7265 -M 1.0 * 62.6 46.7 134 GROS VENTRE SUMMIT 8750 3.9 .0 * 24.5 18.8 130 GUNSIGHT PASS 9820 20.2 -M * 29.5 -M * LEWIS LAKE DIVIDE 7850 31.3 6.2 505 54.7 46.8 117 PHILLIPS BENCH 8200 25.6 4.7 545 50.4 37.9 133 SALT RIVER SUMMIT 7760 .0 .0 100* 31.2 24.9 125 SNAKE RIVER STATION 6920 -M .0 * 40.3 29.6 136 SPRING CREEK DIVIDE 9000 32.7 4.7 696 46.4 34.0 136 THUMB DIVIDE 7980 .4 .0 * 33.2 25.9 128 TOGWOTEE PASS 9580 36.7 14.1 260 48.8 33.9 144 TWO OCEAN PLATEAU 9240 50.2 17.3 290 48.3 37.8 128 WILLOW CREEK 8380 28.0 3.3 848 62.4 44.0 142 ----- ----- Basin wide percent of average 451* 134 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9360 29.9 11.4 262 38.9 28.4 137 BLACK BEAR 8170 49.8 14.0 356 68.7 52.0 132 CANYON 7870 2.3 .1 2300* 29.0 21.7 134 FISHER CREEK 9100 49.4 20.7 239 58.9 48.6 121 MADISON PLATEAU 7750 20.4 1.0 2040* 49.4 35.7 138 NORTHEAST ENTRANCE 7350 .0 .0 100* 25.1 18.9 133 PARKER PEAK 9400 35.3 10.4 339 43.7 24.7 177 SYLVAN LAKE 8420 19.4 4.4 441 45.3 30.7 148 THUMB DIVIDE 7980 .4 .0 * 33.2 25.9 128 TWO OCEAN PLATEAU 9240 50.2 17.3 290 48.3 37.8 128 WHISKEY CREEK 6800 .6 .0 * 38.7 28.7 135 WHITE MILL 8700 28.2 10.1 279 43.3 36.8 118 WOLVERINE 7650 .0 .0 100* 22.8 19.4 118 ----- ----- Basin wide percent of average 320 133 WIND RIVER BURROUGHS CREEK 8750 10.2 .5 2040* 29.7 23.8 125 CASTLE CREEK 8400 .0 -M * 15.1 -M * COLD SPRINGS 9630 .0 .2 0* 20.3 18.4 110 DEER PARK 9700 16.9 4.3 393 35.0 32.4 108 HOBBS PARK 10100 16.9 4.5 376 28.0 22.4 125 LITTLE WARM 9370 2.9 .1 2900* 23.6 21.2 111 SOUTH PASS 9040 6.9 2.7 256 26.4 27.2 97 ST. LAWRENCE ALT 8620 .0 .0 100* 20.5 16.5 124 TOGWOTEE PASS 9580 36.7 14.1 260 48.8 33.9 144 TOWNSEND CREEK 8700 .0 .4 0* 22.8 20.1 113 ----- ----- Basin wide percent of average 338* 118 BIGHORN BASIN BALD MTN. 9380 34.2 8.0 428 36.7 26.9 136 BEAR TRAP MEADOW 8200 .0 .0 100* 20.4 15.7 130 BLACKWATER 9780 36.6 16.9 217 43.4 30.8 141 BONE SPRINGS DIV 9350 25.8 2.7 956 32.1 24.1 133 EVENING STAR 9200 35.0 16.7 210 54.3 36.2 150 GRAVE SPRINGS 8550 .0 .2 0* 21.6 17.4 124 KIRWIN 9550 8.7 1.3 669 25.1 19.1 131 MARQUETTE 8760 5.3 -M * 21.0 19.8 106 MIDDLE POWDER 7760 .0 .1 0* 22.8 20.5 111 OWL CREEK 8975 .0 .0 100* 15.4 12.5 123 POWDER RIVER PASS 9480 12.6 .2 6300* 32.1 21.2 151 SHELL CREEK 9580 22.2 3.4 653 31.3 22.3 140 SYLVAN LAKE 8420 19.4 4.4 441 45.3 30.7 148 SYLVAN ROAD 7120 .0 .0 100* 33.6 24.6 137 TIMBER CREEK 7950 .0 .0 100* 16.7 15.7 106 YOUNTS PEAK 8350 9.2 1.0 920* 27.3 23.4 117 ----- ----- Basin wide percent of average 371* 133 SHOSHONE RIVER BLACKWATER 9780 36.6 16.9 217 43.4 30.8 141 EVENING STAR 9200 35.0 16.7 210 54.3 36.2 150 KIRWIN 9550 8.7 1.3 669 25.1 19.1 131 MARQUETTE 8760 5.3 -M * 21.0 19.8 106 SYLVAN LAKE 8420 19.4 4.4 441 45.3 30.7 148 SYLVAN ROAD 7120 .0 .0 100* 33.6 24.6 137 YOUNTS PEAK 8350 9.2 1.0 920* 27.3 23.4 117 ----- ----- Basin wide percent of average 270 135 POWDER-TONGUE BEAR TRAP MEADOW 8200 .0 .0 100* 20.4 15.7 130 BIG GOOSE 7990 .0 .0 100* 25.9 17.3 150 BONE SPRINGS DIV 9350 25.8 2.7 956 32.1 24.1 133 BURGESS JUNCTION 7880 3.3 .1 3300* 27.1 20.0 136 CLOUD PEAK RESERVOIR 9860 17.1 2.4 713 31.5 23.5 134 DOME LAKE 8880 6.1 .8 763* 28.4 22.0 129 GRAVE SPRINGS 8550 .0 .2 0* 21.6 17.4 124 HANSEN SAWMILL 8360 .0 .0 100* 21.5 15.8 136 LITTLE GOOSE 8870 6.3 -M * 29.3 -M * MIDDLE POWDER 7760 .0 .1 0* 22.8 20.5 111 POWDER RIVER PASS 9480 12.6 .2 6300* 32.1 21.2 151 SOLDIER PARK 8720 .0 -M * 21.8 -M * SUCKER CREEK 8880 12.6 .6 2100* 32.7 23.2 141 TIE CREEK 6870 .0 .0 100* 26.4 18.8 140 ----- ----- Basin wide percent of average 1092* 135 BELLE FOURCHE BLIND PARK 6890 .0 .0 100* 29.9 19.6 153 COLE CANYON 5910 .0 .0 100* 26.3 14.8 178 NORTH RAPID CREEK 6130 .0 .0 100* 25.9 16.0 162 ----- ----- Basin wide percent of average * 163 UPPER N. PLATTE RIVER BLACKHALL MTN 9820 29.2 -M * 57.2 -M * CINNABAR PARK 9574 23.0 .0 * 51.2 27.8 184 COLUMBINE 9160 .0 .0 100* 48.5 33.0 147 DIVIDE PEAK 8880 .0 .3 0* 40.9 28.4 144 ELK RIVER 8700 .0 .0 100* 37.7 26.9 140 JOE WRIGHT 10120 36.7 7.4 496 53.6 36.2 148 NORTH FRENCH CREEK 10130 45.9 12.6 364 -M 35.6 * OLD BATTLE 10000 40.7 13.5 301 67.3 45.4 148 SAGE CREEK BASIN 7850 .0 .2 0* 25.8 16.5 156 SOUTH BRUSH CREEK 8440 .0 .1 0* 32.9 24.7 133 TOWER 10500 63.3 26.7 237 75.5 51.3 147 WEBBER SPRINGS 9250 9.8 1.3 754* 50.9 35.7 143 WILLOW CREEK PASS 9540 .2 .4 50* 28.7 20.1 143 ----- ----- Basin wide percent of average 351* 148 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 21.4 3.9 549 47.2 32.3 146 CASPER MTN. 7900 .0 1.2 0* 23.1 25.3 91 DEADMAN HILL 10220 16.5 3.9 423 35.0 25.7 136 DEER PARK 9700 16.9 4.3 393 35.0 32.4 108 LAPRELE CREEK 8375 .0 .0 100* 22.3 21.3 105 RENO HILL 8400 .0 .9 0* 27.6 25.9 107 ROACH 9700 .7 1.5 47* 35.7 27.6 129 SAND LAKE 10050 -M 13.2 * 52.9 35.7 148 SOUTH PASS 9040 6.9 2.7 256 26.4 27.2 97 WINDY PEAK 7900 .0 .0 100* 20.6 18.3 113 ----- ----- Basin wide percent of average 339* 120 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 -M .0 * 25.8 21.7 119 DIVIDE PEAK 8880 .0 .3 0* 40.9 28.4 144 OLD BATTLE 10000 40.7 13.5 301 67.3 45.4 148 SANDSTONE RS 8150 .3 .0 * 37.3 25.7 145 WHISKEY PARK 8950 -M 3.4 * 59.2 39.0 152 ----- ----- Basin wide percent of average 297* 144 UPPER GREEN RIVER BIG SANDY OPENING 9080 .2 .0 * 24.7 19.6 126 BLIND BULL SUM 8650 38.5 9.1 423 34.1 29.1 117 EAST RIM DIVIDE 7930 .0 .0 100* 21.2 16.9 125 ELKHART PARK G.S. 9400 .7 .0 * 21.1 20.2 104 GROS VENTRE SUMMIT 8750 3.9 .0 * 24.5 18.8 130 GUNSIGHT PASS 9820 20.2 -M * 29.5 -M * KENDALL R.S. 7740 .0 .0 100* 23.8 19.5 122 LOOMIS PARK 8240 2.6 .0 * 31.8 23.3 136 NEW FORK LAKE 8340 .0 .0 100* 17.8 16.9 105 POCKET CREEK 9360 4.0 -M * 23.0 -M * SNIDER BASIN 8060 .0 .0 100* 27.2 21.1 129 SPRING CREEK DIVIDE 9000 32.7 4.7 696 46.4 34.0 136 TRIPLE PEAK 8500 19.5 .0 * 49.3 33.0 149 ----- ----- Basin wide percent of average 711* 128 LOWER GREEN RIVER HAMS FORK 7840 .0 .0 100* 23.9 17.8 134 HEWINTA 9519 .0 .0 100* 28.7 21.2 135 HICKERSON PARK 9145 .0 .0 100* 18.7 13.4 140 HOLE-IN-ROCK 9150 .1 .0 * 20.4 13.1 156 INDIAN CREEK 9425 29.0 5.5 527 39.5 33.4 118 KELLEY R.S. 8180 5.6 .0 * 34.8 27.1 128 STEEL CREEK PARK 10200 21.1 4.8 440 33.2 24.2 137 ----- ----- Basin wide percent of average 542* 133 UPPER BEAR RIVER BUG LAKE 7950 12.4 .0 * 42.8 26.0 165 HAYDEN FORK 9212 .1 .0 * 43.1 29.5 146 KELLEY R.S. 8180 5.6 .0 * 34.8 27.1 128 LILY LAKE 9156 .5 .0 * 34.4 25.1 137 MONTE CRISTO 8960 40.5 3.8 1066 55.1 35.1 157 SALT RIVER SUMMIT 7760 .0 .0 100* 31.2 24.9 125 TRIAL LAKE 9992 37.8 6.4 591 48.2 34.6 139 ----- ----- Basin wide percent of average 950* 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.