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 SUNDAY: MAY 25 , 2014 ------------------------------------------------------------------------------ BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Median Median Current Average Avg ------------------------------------------------------------------------------ WYOMING SNAKE RIVER BASE CAMP 7030 .0 .0 * 30.4 25.0 122 BLACK BEAR 8170 37.4 31.2 120 48.6 45.3 107 BLIND BULL SUM 8650 37.2 17.1 218 26.1 23.7 110 COTTONWOOD CREEK 7670 15.2 1.4 1086* 39.5 30.6 129 EAST RIM DIVIDE 7930 .0 .0 * 17.9 14.5 123 GRAND TARGHEE 9260 46.6 41.2 113 44.9 38.0 118 GRANITE CREEK 6770 3.7 .0 * 27.6 23.4 118 GRASSY LAKE 7265 18.0 12.2 148 46.4 42.6 109 GROS VENTRE SUMMIT 8750 4.6 2.2 209 17.2 16.5 104 GUNSIGHT PASS 9820 14.6 7.3 200 22.9 18.1 127 LEWIS LAKE DIVIDE 7850 25.5 18.5 138 46.9 41.7 112 PHILLIPS BENCH 8200 24.4 15.2 161 39.7 33.4 119 SALT RIVER SUMMIT 7760 .0 .0 * 22.3 20.3 110 SNAKE RIVER STATION 6920 .0 .0 * 30.4 27.1 112 SPRING CREEK DIVIDE 9000 30.0 16.7 180 36.7 28.6 128 THUMB DIVIDE 7980 1.5 .0 * 23.8 23.2 103 TOGWOTEE PASS 9580 28.3 22.4 126 37.6 30.3 124 TWO OCEAN PLATEAU 9240 38.6 27.7 139 39.9 33.5 119 WILLOW CREEK 8380 20.6 11.1 186 47.3 41.6 114 YOUNTS PEAK 8350 -M 9.6 * -M 20.0 * ----- ----- Basin Index (%) 154 116 MADISON-GALLATIN BLACK BEAR 8170 37.4 31.2 120 48.6 45.3 107 CANYON 7870 2.1 .4 525* 20.4 20.3 100 MADISON PLATEAU 7750 15.2 12.0 127 31.0 32.2 96 WEST YELLOWSTONE 6700 .0 .0 * 19.6 18.0 109 WHISKEY CREEK 6800 5.2 2.4 217 26.0 24.9 104 ----- ----- Basin Index (%) 130 103 YELLOWSTONE BEARTOOTH LAKE 9360 30.9 20.4 151 34.9 24.6 142 BURNT MTN 5880 .1 .0 * 26.2 20.0 131 CANYON 7870 2.1 .4 525* 20.4 20.3 100 COLE CREEK 7850 23.6 13.6 174 22.4 20.2 111 EVENING STAR 9200 35.2 21.8 161 46.7 34.1 137 FISHER CREEK 9100 -M 31.2 * 47.2 39.1 121 NORTHEAST ENTRANCE 7350 .0 .0 * 19.6 16.0 122 PARKER PEAK 9400 30.4 18.5 164 35.6 23.0 155 SYLVAN LAKE 8420 13.6 12.6 108 35.4 28.3 125 THUMB DIVIDE 7980 1.5 .0 * 23.8 23.2 103 TWO OCEAN PLATEAU 9240 38.6 27.7 139 39.9 33.5 119 WHITE MILL 8700 30.9 20.9 148 35.2 29.5 119 WOLVERINE 7650 -M .0 * 21.1 15.9 133 ----- ----- Basin Index (%) 152 125 WIND RIVER BURROUGHS CREEK 8750 -M 6.2 * -M 20.4 * CASTLE CREEK 8400 .0 -M * 15.3 -M * COLD SPRINGS 9630 .0 .0 * 15.5 14.8 105 DEER PARK 9700 -M 8.1 * 24.5 26.6 92 HOBBS PARK 10100 11.9 10.7 111 18.9 19.8 95 KIRWIN 9550 14.1 6.0 235 22.9 16.4 140 LITTLE WARM 9370 4.0 .4 1000* 20.3 17.8 114 OWL CREEK 8975 .1 .0 * 9.8 10.1 97 SOUTH PASS 9040 6.3 2.6 242 19.3 22.9 84 ST. LAWRENCE ALT 8620 .1 .0 * 12.8 13.9 92 TOGWOTEE PASS 9580 28.3 22.4 126 37.6 30.3 124 TOWNSEND CREEK 8700 .0 .0 * 14.9 17.6 85 ----- ----- Basin Index (%) 154* 103 BIGHORN BASIN BALD MTN. 9380 28.4 17.2 165 25.7 22.8 113 BEAR TRAP MEADOW 8200 .0 .0 * 14.7 13.3 111 BONE SPRINGS DIV 9350 20.5 12.6 163 22.5 21.6 104 GRAVE SPRINGS 8550 3.4 .0 * 16.0 15.6 103 KIRWIN 9550 14.1 6.0 235 22.9 16.4 140 MARQUETTE 8760 8.2 -M * 18.2 -M * MIDDLE POWDER 7760 6.5 .8 812* 17.9 16.8 107 OWL CREEK 8975 .1 .0 * 9.8 10.1 97 POWDER RIVER PASS 9480 8.6 2.0 430 20.6 18.1 114 SHELL CREEK 9580 19.7 13.7 144 21.8 19.2 114 TIMBER CREEK 7950 .2 .0 * 14.4 12.8 112 ----- ----- Basin Index (%) 194* 112 SHOSHONE RIVER BLACKWATER 9780 30.4 23.1 132 34.9 26.7 131 EVENING STAR 9200 35.2 21.8 161 46.7 34.1 137 MARQUETTE 8760 8.2 -M * 18.2 -M * SYLVAN ROAD 7120 .0 .0 * 25.6 20.8 123 YOUNTS PEAK 8350 -M 9.6 * -M 20.0 * ----- ----- Basin Index (%) 146* 131 POWDER RIVER BEAR TRAP MEADOW 8200 .0 .0 * 14.7 13.3 111 CLOUD PEAK RESERVOIR 9860 21.7 12.0 181 26.9 20.4 132 GRAVE SPRINGS 8550 3.4 .0 * 16.0 15.6 103 HANSEN SAWMILL 8360 .2 .0 * 17.2 13.6 126 MIDDLE POWDER 7760 6.5 .8 812* 17.9 16.8 107 POWDER RIVER PASS 9480 8.6 2.0 430 20.6 18.1 114 SOLDIER PARK 8720 3.9 -M * 17.5 -M * ----- ----- Basin Index (%) 273* 116 TONGUE RIVER BIG GOOSE 7990 7.2 .9 800* 20.3 17.8 114 BONE SPRINGS DIV 9350 20.5 12.6 163 22.5 21.6 104 BURGESS JUNCTION 7880 10.9 4.7 232 21.2 17.6 120 DOME LAKE 8880 13.4 2.4 558 21.8 19.7 111 LITTLE GOOSE 8870 9.2 -M * 23.5 -M * SUCKER CREEK 8880 12.8 5.5 233 25.7 20.9 123 TIE CREEK 6870 .2 .0 * 19.8 18.1 109 ----- ----- Basin Index (%) 249 113 BELLE FOURCHE COLE CANYON 5910 .0 .0 * 18.3 15.6 117 ----- ----- Basin Index (%) * 117 CHEYENNE RIVER BASIN BLIND PARK 6890 .0 .0 * 20.9 17.6 119 NORTH RAPID CREEK 6130 .0 .0 * 20.2 15.1 134 ----- ----- Basin Index (%) * 126 UPPER N. PLATTE ARAPAHO RIDGE 10960 27.5 13.8 199 35.0 28.9 121 BLACKHALL MTN 9820 33.2 -M * 44.1 -M * COLUMBINE 9160 18.4 .0 * 41.9 30.9 136 DIVIDE PEAK 8880 .9 1.3 69* 29.8 26.8 111 JOE WRIGHT 10120 31.2 18.5 169 42.9 33.4 128 LAPRELE CREEK 8375 .2 .0 * 17.8 17.4 102 MED BOW 10500 -M -M * 49.0 -M * NORTH FRENCH CREEK 10130 36.2 26.2 138 43.7 34.3 127 NEVER SUMMER 10280 25.3 18.0 141 28.3 -M * OLD BATTLE 10000 36.7 30.0 122 44.0 42.7 103 RAWAH 9020 .4 .0 * 25.1 19.1 131 SAGE CREEK BASIN 7850 .1 .0 * 14.7 17.7 83 SAND LAKE 10050 38.4 25.2 152 42.3 32.4 131 SOUTH BRUSH CREEK 8440 .1 .0 * 20.0 20.5 98 TOWER 10500 50.9 44.8 114 60.6 48.4 125 WEBBER SPRINGS 9250 14.7 6.5 226 36.4 32.4 112 WILLOW CREEK PASS 9540 9.6 5.8 166 20.8 17.8 117 ZIRKEL 9340 23.8 1.9 1253* 48.6 33.7 144 ----- ----- Basin Index (%) 164 120 SWEETWATER DEER PARK 9700 -M 8.1 * 24.5 26.6 92 LARSEN CREEK 9000 .0 2.1 0 18.0 -M * SOUTH PASS 9040 6.3 2.6 242 19.3 22.9 84 ----- ----- Basin Index (%) 134 88 LOWER N. PLATTE CASPER MTN. 7900 6.3 1.1 573* 21.5 21.0 102 LAPRELE CREEK 8375 .2 .0 * 17.8 17.4 102 RENO HILL 8400 12.5 .0 * 28.5 22.0 130 WINDY PEAK 7900 .0 .0 * 17.4 15.4 113 ----- ----- Basin Index (%) 1727* 112 LARAMIE RIVER BROOKLYN LAKE 10240 24.5 11.9 206 38.0 27.7 137 CINNABAR PARK 9574 20.7 7.5 276 37.2 29.9 124 CROW CREEK 8330 .0 .0 * 17.8 15.6 114 DEADMAN HILL 10220 22.5 13.3 169 31.1 23.4 133 RAWAH 9020 .4 .0 * 25.1 19.1 131 ROACH 9700 14.6 7.4 197 32.5 25.1 129 ----- ----- Basin Index (%) 206 129 S. PLATTE BLACK MOUNTAIN 8920 .1 -M * 19.8 -M * CROW CREEK 8330 .0 .0 * 17.8 15.6 114 DEADMAN HILL 10220 22.5 13.3 169 31.1 23.4 133 ----- ----- Basin Index (%) 169* 125 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .0 .0 * 20.3 18.9 107 DIVIDE PEAK 8880 .9 1.3 69* 29.8 26.8 111 ELK RIVER 8700 .2 .0 * 27.9 24.9 112 LITTLE SNAKE RIVER 8915 -M 7.8 * -M 35.7 * OLD BATTLE 10000 36.7 30.0 122 44.0 42.7 103 SAGE CREEK BASIN 7850 .1 .0 * 14.7 17.7 83 SANDSTONE RS 8150 -M .0 * 21.0 22.8 92 WHISKEY PARK 8950 25.6 16.1 159 46.7 34.2 137 ----- ----- Basin Index (%) 134* 109 UPPER GREEN RIVER BIG SANDY OPENING 9080 4.7 .0 * 17.2 17.3 99 BLIND BULL SUM 8650 37.2 17.1 218 26.1 23.7 110 EAST RIM DIVIDE 7930 .0 .0 * 17.9 14.5 123 ELKHART PARK G.S. 9400 9.9 3.2 309 20.4 17.2 119 GROS VENTRE SUMMIT 8750 4.6 2.2 209 17.2 16.5 104 GUNSIGHT PASS 9820 14.6 7.3 200 22.9 18.1 127 KENDALL R.S. 7740 .4 .0 * 25.4 17.1 149 LOOMIS PARK 8240 8.2 .0 * 27.7 21.0 132 NEW FORK LAKE 8340 .0 .0 * 15.3 13.9 110 POCKET CREEK 9360 5.9 -M * 15.3 -M * SNIDER BASIN 8060 .0 .0 * 22.8 17.1 133 SPRING CREEK DIVIDE 9000 30.0 16.7 180 36.7 28.6 128 TRIPLE PEAK 8500 17.0 3.5 486 41.4 30.8 134 ----- ----- Basin Index (%) 253* 123 LOWER GREEN RIVER BLACKS FORK JCT 8870 .0 -M * 16.9 -M * BUCK PASTURE 9700 .0 -M * 21.6 -M * EF BLACKS FORK GS 9360 .0 -M * 15.1 -M * HAMS FORK 7840 .0 .0 * 16.9 14.8 114 HEWINTA 9519 .0 .0 * 18.7 18.1 103 HICKERSON PARK 9145 .1 .0 * 12.7 13.9 91 HOLE-IN-ROCK 9150 .0 .0 * 13.9 13.5 103 INDIAN CREEK 9425 21.9 14.9 147 31.0 27.5 113 KELLEY R.S. 8180 2.1 .0 * 23.7 22.3 106 SPIRIT LK 10235 .1 -M * 19.4 -M * STEEL CREEK PARK 10200 16.0 12.2 131 21.5 21.4 100 ----- ----- Basin Index (%) 148* 105 UPPER BEAR RIVER BEAR RIVER RS 8777 .0 -M * 15.9 -M * BUG LAKE 7950 4.2 .0 * 24.5 23.9 103 BURTS MILLER RANCH 8000 .2 -M * 8.9 -M * CHALK CREEK #1 8993 7.9 11.1 71 27.9 31.4 89 HAYDEN FORK 9212 .1 .0 * 25.8 26.3 98 KELLEY R.S. 8180 2.1 .0 * 23.7 22.3 106 LILY LAKE 9156 .0 .0 * 19.3 21.8 89 MONTE CRISTO 8960 11.1 9.6 116 30.7 32.1 96 SALT RIVER SUMMIT 7760 .0 .0 * 22.3 20.3 110 ----- ----- Basin Index (%) 123* 98 ----------------------------------------------------------------------------- -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. ---------------------------------------------------------------------------- -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.