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 13 , 2008 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 1.3 .0 34.8 28.1 124 COTTONWOOD CREEK 7670 3.2 .0 33.2 36.8 90 GRAND TARGHEE 9260 57.4 -M * 48.5 -M * GRANITE CREEK 6770 .1 .0 30.0 25.8 116 GRASSY LAKE 7265 15.7 2.9 541 56.9 46.5 122 GROS VENTRE SUMMIT 8750 .0 .0 100 19.8 18.6 106 GUNSIGHT PASS 9820 4.6 -M * 21.1 -M * LEWIS LAKE DIVIDE 7850 17.7 8.0 221 48.8 46.7 104 PHILLIPS BENCH 8200 16.1 6.1 264 44.5 37.8 118 SALT RIVER SUMMIT 7760 .0 .0 100 22.1 24.8 89 SNAKE RIVER STATION 6920 .0 .0 100 36.6 29.4 124 SPRING CREEK DIVIDE 9000 12.0 6.2 194 32.3 33.9 95 THUMB DIVIDE 7980 .1 .0 29.1 25.7 113 TOGWOTEE PASS 9580 28.7 15.3 188 41.3 33.8 122 TWO OCEAN PLATEAU 9240 -M 18.6 * 43.9 37.6 117 WILLOW CREEK 8380 17.2 4.9 351 53.5 43.8 122 ----- ----- Basin wide percent of average 247 112 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9360 27.7 12.8 216 34.3 28.2 122 BLACK BEAR 8170 41.5 15.9 261 56.8 51.8 110 CANYON 7870 .9 .2 450 28.3 21.5 132 FISHER CREEK 9100 38.0 22.1 172 52.3 48.4 108 MADISON PLATEAU 7750 19.7 1.9 1037 44.0 35.5 124 NORTHEAST ENTRANCE 7350 .1 .0 21.7 18.7 116 PARKER PEAK 9400 28.6 11.6 247 39.8 24.5 162 SYLVAN LAKE 8420 17.9 5.4 331 40.6 30.5 133 THUMB DIVIDE 7980 .1 .0 29.1 25.7 113 TWO OCEAN PLATEAU 9240 -M 18.6 * 43.9 37.6 117 WHISKEY CREEK 6800 3.5 .0 34.9 28.5 122 WHITE MILL 8700 25.8 11.3 228 38.6 36.6 105 WOLVERINE 7650 .0 .0 100 22.7 19.3 118 ----- ----- Basin wide percent of average 246 120 WIND RIVER BURROUGHS CREEK 8750 4.2 .7 600 26.3 23.6 111 COLD SPRINGS 9630 .0 .3 0 18.5 18.2 102 DEER PARK 9700 11.6 5.0 232 31.0 32.2 96 HOBBS PARK 10100 13.7 5.1 269 25.6 22.2 115 LITTLE WARM 9370 .1 .3 33 22.5 21.0 107 SOUTH PASS 9040 1.5 2.9 52 27.9 27.0 103 ST. LAWRENCE ALT 8620 .1 .0 16.9 16.4 103 TOGWOTEE PASS 9580 28.7 15.3 188 41.3 33.8 122 TOWNSEND CREEK 8700 .0 .7 0 22.2 19.9 112 ----- ----- Basin wide percent of average 197 108 BIGHORN BASIN BALD MTN. 9380 19.4 9.4 206 27.6 26.7 103 BEAR TRAP MEADOW 8200 .1 .0 19.5 15.5 126 BLACKWATER 9780 32.1 17.8 180 37.8 30.5 124 BONE SPRINGS DIV 9350 12.5 3.4 368 29.6 23.9 124 EVENING STAR 9200 -M 17.9 * 51.5 36.0 143 GRAVE SPRINGS 8550 .0 .7 0 19.3 17.2 112 KIRWIN 9550 6.1 1.9 321 23.4 18.9 124 MARQUETTE 8760 2.5 1.7 147 23.1 19.6 118 MIDDLE POWDER 7760 .2 .4 50 19.3 20.3 95 OWL CREEK 8975 .0 .1 0 13.7 12.3 111 POWDER RIVER PASS 9480 5.1 .4 1275 -M 21.0 * SHELL CREEK 9580 18.5 4.2 440 -M 22.1 * SYLVAN LAKE 8420 17.9 5.4 331 40.6 30.5 133 SYLVAN ROAD 7120 .0 .0 100 31.8 24.4 130 TIMBER CREEK 7950 .3 .1 300 19.9 15.6 128 YOUNTS PEAK 8350 3.6 1.7 212 26.1 23.2 112 ----- ----- Basin wide percent of average 250 122 SHOSHONE RIVER BLACKWATER 9780 32.1 17.8 180 37.8 30.5 124 EVENING STAR 9200 -M 17.9 * 51.5 36.0 143 KIRWIN 9550 6.1 1.9 321 23.4 18.9 124 MARQUETTE 8760 2.5 1.7 147 23.1 19.6 118 SYLVAN LAKE 8420 17.9 5.4 331 40.6 30.5 133 SYLVAN ROAD 7120 .0 .0 100 31.8 24.4 130 YOUNTS PEAK 8350 3.6 1.7 212 26.1 23.2 112 ----- ----- Basin wide percent of average 218 128 POWDER-TONGUE BEAR TRAP MEADOW 8200 .1 .0 19.5 15.5 126 BIG GOOSE 7990 .0 .0 100 23.8 17.2 138 BONE SPRINGS DIV 9350 12.5 3.4 368 29.6 23.9 124 BURGESS JUNCTION 7880 5.0 .4 1250 25.0 19.8 126 CLOUD PEAK RESERVOIR 9860 19.2 2.8 686 31.7 23.3 136 DOME LAKE 8880 5.1 1.2 425 28.4 21.9 130 GRAVE SPRINGS 8550 .0 .7 0 19.3 17.2 112 HANSEN SAWMILL 8360 .3 .0 23.2 15.6 149 MIDDLE POWDER 7760 .2 .4 50 19.3 20.3 95 POWDER RIVER PASS 9480 5.1 .4 1275 -M 21.0 * SUCKER CREEK 8880 11.2 .9 1244 29.9 22.9 131 TIE CREEK 6870 -M .0 * 24.1 18.6 130 ----- ----- Basin wide percent of average 572 127 BELLE FOURCHE BLIND PARK 6890 .0 .0 100 20.8 19.4 107 COLE CANYON 5910 .0 .0 100 23.2 14.6 159 NORTH RAPID CREEK 6130 .0 .0 100 22.3 15.8 141 ----- ----- Basin wide percent of average * 133 UPPER N. PLATTE RIVER COLUMBINE 9160 .0 .0 100 36.3 32.9 110 DIVIDE PEAK 8880 .1 .6 17 32.0 28.3 113 ELK RIVER 8700 .4 .0 30.6 26.8 114 JOE WRIGHT 10120 15.2 8.7 175 40.3 36.1 112 NORTH FRENCH CREEK 10130 19.9 14.2 140 41.4 35.5 117 OLD BATTLE 10000 27.6 15.3 180 51.5 45.3 114 SAGE CREEK BASIN 7850 .0 .3 0 22.7 16.4 138 SOUTH BRUSH CREEK 8440 .1 .3 33 24.5 24.6 100 TOWER 10500 32.4 29.2 111 53.6 51.2 105 WEBBER SPRINGS 9250 1.3 1.7 76 40.3 35.6 113 WILLOW CREEK PASS 9540 1.1 .6 183 23.5 19.9 118 ----- ----- Basin wide percent of average 138 113 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 1.7 4.7 36 32.3 32.1 101 CASPER MTN. 7900 .0 1.5 0 30.0 25.2 119 DEADMAN HILL 10220 9.1 4.8 190 29.0 25.6 113 DEER PARK 9700 11.6 5.0 232 31.0 32.2 96 LAPRELE CREEK 8375 .0 .0 100 21.4 21.2 101 RENO HILL 8400 .0 1.1 0 31.9 25.8 124 ROACH 9700 1.0 2.0 50 31.7 27.4 116 SAND LAKE 10050 26.7 15.0 178 43.1 35.5 121 SOUTH PASS 9040 1.5 2.9 52 27.9 27.0 103 WINDY PEAK 7900 -M .0 * 19.1 18.1 106 ----- ----- Basin wide percent of average 139 110 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .0 .0 100 23.1 21.6 107 DIVIDE PEAK 8880 .1 .6 17 32.0 28.3 113 OLD BATTLE 10000 27.6 15.3 180 51.5 45.3 114 SANDSTONE RS 8150 -M .0 * 28.5 25.6 111 WHISKEY PARK 8950 8.9 4.4 202 46.7 38.9 120 ----- ----- Basin wide percent of average 180 114 UPPER GREEN RIVER BIG SANDY OPENING 9080 .0 .0 100 19.7 19.5 101 BLIND BULL SUM 8650 20.8 10.5 198 25.0 29.0 86 EAST RIM DIVIDE 7930 .0 .0 100 15.5 16.8 92 ELKHART PARK G.S. 9400 .0 .0 100 17.1 20.0 86 GROS VENTRE SUMMIT 8750 .0 .0 100 19.8 18.6 106 GUNSIGHT PASS 9820 4.6 -M * 21.1 -M * KENDALL R.S. 7740 .0 .0 100 18.3 19.4 94 LOOMIS PARK 8240 .1 .0 23.5 23.2 101 NEW FORK LAKE 8340 .0 .0 100 14.1 16.8 84 SNIDER BASIN 8060 .2 .0 20.0 21.0 95 SPRING CREEK DIVIDE 9000 12.0 6.2 194 32.3 33.9 95 TRIPLE PEAK 8500 8.1 .0 39.3 32.9 119 ----- ----- Basin wide percent of average 196 97 LOWER GREEN RIVER HAMS FORK 7840 .2 .0 15.9 17.7 90 HEWINTA 9519 -M .0 * 23.2 21.0 110 HICKERSON PARK 9145 .0 .0 100 14.4 13.3 108 HOLE-IN-ROCK 9150 .0 .0 100 15.3 13.0 118 INDIAN CREEK 9425 17.0 6.9 246 -M 33.3 * KELLEY R.S. 8180 .7 .0 24.4 27.0 90 STEEL CREEK PARK 10200 14.4 5.8 248 26.3 24.1 109 ----- ----- Basin wide percent of average 247 103 UPPER BEAR RIVER BUG LAKE 7950 .2 .1 200 23.9 25.9 92 HAYDEN FORK 9212 .2 .1 200 31.5 29.4 107 KELLEY R.S. 8180 .7 .0 24.4 27.0 90 LILY LAKE 9156 .5 .0 25.5 25.0 102 MONTE CRISTO 8960 9.8 4.9 200 33.5 35.0 96 SALT RIVER SUMMIT 7760 .0 .0 100 22.1 24.8 89 TRIAL LAKE 9992 4.0 7.5 53 32.4 34.4 94 ----- ----- Basin wide percent of average 113 96 ----------------------------------------------------------------------------- -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.