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 18 , 2008 ----------------------------------------------------------------------------- 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 34.7 28.4 122 COTTONWOOD CREEK 7670 .0 .0 100 32.5 37.2 87 GRAND TARGHEE 9260 56.3 -M * 48.5 -M * GRANITE CREEK 6770 .0 .0 100 31.1 26.1 119 GRASSY LAKE 7265 8.6 .0 57.0 47.0 121 GROS VENTRE SUMMIT 8750 .0 .0 100 19.6 19.0 103 GUNSIGHT PASS 9820 .0 -M * 21.2 -M * LEWIS LAKE DIVIDE 7850 9.3 3.6 258 49.2 47.1 104 PHILLIPS BENCH 8200 9.6 2.7 356 44.5 38.2 116 SALT RIVER SUMMIT 7760 .0 .0 100 22.1 25.0 88 SNAKE RIVER STATION 6920 .0 .0 100 36.5 29.8 122 SPRING CREEK DIVIDE 9000 7.1 2.4 296 32.3 34.2 94 THUMB DIVIDE 7980 .2 .0 29.2 26.1 112 TOGWOTEE PASS 9580 25.0 12.1 207 41.3 34.2 121 TWO OCEAN PLATEAU 9240 33.6 15.3 220 43.9 38.1 115 WILLOW CREEK 8380 9.2 .8 1150 53.4 44.3 121 ----- ----- Basin wide percent of average 254 111 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9360 25.0 9.5 263 34.4 28.7 120 BLACK BEAR 8170 35.8 11.3 317 56.8 52.3 109 CANYON 7870 .0 .1 0 28.2 21.9 129 FISHER CREEK 9100 34.1 18.4 185 52.6 49.0 107 MADISON PLATEAU 7750 13.1 .4 3275 44.1 35.9 123 NORTHEAST ENTRANCE 7350 .0 .0 100 21.9 19.1 115 PARKER PEAK 9400 23.4 8.7 269 39.9 25.0 160 SYLVAN LAKE 8420 9.9 3.0 330 40.5 31.0 131 THUMB DIVIDE 7980 .2 .0 29.2 26.1 112 TWO OCEAN PLATEAU 9240 33.6 15.3 220 43.9 38.1 115 WHISKEY CREEK 6800 .0 .0 100 34.9 29.0 120 WHITE MILL 8700 22.2 8.4 264 38.7 37.2 104 WOLVERINE 7650 .0 .0 100 23.1 19.6 118 ----- ----- Basin wide percent of average 262 118 WIND RIVER BURROUGHS CREEK 8750 .0 .3 0 26.2 24.0 109 COLD SPRINGS 9630 .0 .1 0 18.5 18.6 99 DEER PARK 9700 6.8 3.7 184 31.0 32.7 95 HOBBS PARK 10100 7.7 3.9 197 25.8 22.6 114 LITTLE WARM 9370 .0 .0 100 22.5 21.4 105 SOUTH PASS 9040 .0 1.9 0 27.8 27.4 101 ST. LAWRENCE ALT 8620 .0 .1 0 16.8 16.8 100 TOGWOTEE PASS 9580 25.0 12.1 207 41.3 34.2 121 TOWNSEND CREEK 8700 .0 .2 0 22.4 20.3 110 ----- ----- Basin wide percent of average 177 107 BIGHORN BASIN BALD MTN. 9380 14.9 6.4 233 27.8 27.2 102 BEAR TRAP MEADOW 8200 .0 .0 100 19.8 16.0 124 BLACKWATER 9780 29.3 15.2 193 38.1 31.1 123 BONE SPRINGS DIV 9350 5.2 1.9 274 29.8 24.4 122 EVENING STAR 9200 28.3 14.6 194 51.8 36.6 142 GRAVE SPRINGS 8550 .0 .0 100 19.2 17.7 108 KIRWIN 9550 .0 .8 0 23.4 19.4 121 MARQUETTE 8760 .0 .8 0 23.1 20.1 115 MIDDLE POWDER 7760 .0 .0 100 19.1 20.8 92 OWL CREEK 8975 .0 .0 100 13.7 12.7 108 POWDER RIVER PASS 9480 .0 .1 0 26.4 21.5 123 SHELL CREEK 9580 14.5 2.7 537 27.9 22.6 123 SYLVAN LAKE 8420 9.9 3.0 330 40.5 31.0 131 SYLVAN ROAD 7120 .0 .0 100 31.5 24.8 127 TIMBER CREEK 7950 .0 .0 100 19.9 16.0 124 YOUNTS PEAK 8350 .0 .3 0 26.1 23.7 110 ----- ----- Basin wide percent of average 223 120 SHOSHONE RIVER BLACKWATER 9780 29.3 15.2 193 38.1 31.1 123 EVENING STAR 9200 28.3 14.6 194 51.8 36.6 142 KIRWIN 9550 .0 .8 0 23.4 19.4 121 MARQUETTE 8760 .0 .8 0 23.1 20.1 115 SYLVAN LAKE 8420 9.9 3.0 330 40.5 31.0 131 SYLVAN ROAD 7120 .0 .0 100 31.5 24.8 127 YOUNTS PEAK 8350 .0 .3 0 26.1 23.7 110 ----- ----- Basin wide percent of average 195 126 POWDER-TONGUE BEAR TRAP MEADOW 8200 .0 .0 100 19.8 16.0 124 BIG GOOSE 7990 .0 .0 100 24.6 17.5 141 BONE SPRINGS DIV 9350 5.2 1.9 274 29.8 24.4 122 BURGESS JUNCTION 7880 .0 .0 100 25.4 20.2 126 CLOUD PEAK RESERVOIR 9860 14.1 1.8 783 31.9 23.8 134 DOME LAKE 8880 .0 .3 0 28.6 22.3 128 GRAVE SPRINGS 8550 .0 .0 100 19.2 17.7 108 HANSEN SAWMILL 8360 .0 .0 100 23.2 16.1 144 MIDDLE POWDER 7760 .0 .0 100 19.1 20.8 92 POWDER RIVER PASS 9480 .0 .1 0 26.4 21.5 123 SUCKER CREEK 8880 4.8 .2 2400 30.4 23.5 129 TIE CREEK 6870 .0 .0 100 24.1 19.1 126 ----- ----- Basin wide percent of average 560 125 BELLE FOURCHE BLIND PARK 6890 .0 .0 100 22.0 19.9 111 COLE CANYON 5910 .1 .0 23.2 15.1 154 NORTH RAPID CREEK 6130 .0 .0 100 23.3 16.4 142 ----- ----- Basin wide percent of average * 133 UPPER N. PLATTE RIVER COLUMBINE 9160 .0 .0 100 36.4 33.2 110 DIVIDE PEAK 8880 .0 .0 100 32.1 28.5 113 ELK RIVER 8700 -M .0 * 30.4 27.0 113 JOE WRIGHT 10120 9.4 5.7 165 40.2 36.5 110 NORTH FRENCH CREEK 10130 12.6 10.3 122 41.3 35.8 115 OLD BATTLE 10000 20.6 10.6 194 51.7 45.6 113 SAGE CREEK BASIN 7850 .0 .0 100 22.7 16.6 137 SOUTH BRUSH CREEK 8440 .0 .0 100 25.0 24.9 100 TOWER 10500 26.0 23.0 113 53.8 51.6 104 WEBBER SPRINGS 9250 .0 .8 0 40.3 35.8 113 WILLOW CREEK PASS 9540 .3 .2 150 23.7 20.3 117 ----- ----- Basin wide percent of average 136 112 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 .0 2.9 0 32.0 32.5 98 CASPER MTN. 7900 .0 .8 0 30.5 25.6 119 DEADMAN HILL 10220 1.4 2.8 50 28.8 25.9 111 DEER PARK 9700 6.8 3.7 184 31.0 32.7 95 LAPRELE CREEK 8375 .0 .0 100 21.3 21.5 99 RENO HILL 8400 .0 .5 0 32.2 26.1 123 ROACH 9700 .0 1.0 0 31.7 27.7 114 SAND LAKE 10050 21.4 10.7 200 43.1 35.9 120 SOUTH PASS 9040 .0 1.9 0 27.8 27.4 101 WINDY PEAK 7900 -M .0 * 19.1 18.5 103 ----- ----- Basin wide percent of average 122 109 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .0 .0 100 23.1 21.8 106 DIVIDE PEAK 8880 .0 .0 100 32.1 28.5 113 OLD BATTLE 10000 20.6 10.6 194 51.7 45.6 113 SANDSTONE RS 8150 -M .0 * 28.4 25.8 110 WHISKEY PARK 8950 .4 2.3 17 46.6 39.2 119 ----- ----- Basin wide percent of average 163 113 UPPER GREEN RIVER BIG SANDY OPENING 9080 .0 .0 100 19.6 19.8 99 BLIND BULL SUM 8650 15.0 7.1 211 24.9 29.2 85 EAST RIM DIVIDE 7930 .0 .0 100 15.6 17.1 91 ELKHART PARK G.S. 9400 .0 .0 100 16.7 20.4 82 GROS VENTRE SUMMIT 8750 .0 .0 100 19.6 19.0 103 GUNSIGHT PASS 9820 .0 -M * 21.2 -M * KENDALL R.S. 7740 .0 .0 100 18.7 19.7 95 LOOMIS PARK 8240 .0 .0 100 23.3 23.5 99 NEW FORK LAKE 8340 .0 .0 100 13.9 17.1 81 SNIDER BASIN 8060 .0 .0 100 19.7 21.2 93 SPRING CREEK DIVIDE 9000 7.1 2.4 296 32.3 34.2 94 TRIPLE PEAK 8500 .4 .0 39.3 33.2 118 ----- ----- Basin wide percent of average 233 96 LOWER GREEN RIVER HAMS FORK 7840 .0 .0 100 15.7 18.0 87 HEWINTA 9519 -M .0 * 23.2 21.3 109 HICKERSON PARK 9145 .0 .0 100 14.5 13.6 107 HOLE-IN-ROCK 9150 .0 .0 100 15.3 13.3 115 INDIAN CREEK 9425 10.4 3.5 297 -M 33.6 * KELLEY R.S. 8180 .2 .0 24.4 27.3 89 STEEL CREEK PARK 10200 9.2 3.6 256 26.3 24.4 108 ----- ----- Basin wide percent of average 276 101 UPPER BEAR RIVER BUG LAKE 7950 .1 .0 23.5 26.2 90 HAYDEN FORK 9212 .2 .0 31.4 29.7 106 KELLEY R.S. 8180 .2 .0 24.4 27.3 89 LILY LAKE 9156 .7 .0 25.4 25.3 100 MONTE CRISTO 8960 .0 2.4 0 33.2 35.3 94 SALT RIVER SUMMIT 7760 .0 .0 100 22.1 25.0 88 TRIAL LAKE 9992 -M 4.9 * 32.3 34.8 93 ----- ----- Basin wide percent of average 0* 94 ----------------------------------------------------------------------------- -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.