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 TUESDAY: MAY 27 , 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 25.2 121 BLACK BEAR 8170 34.3 29.9 115 48.6 45.6 107 BLIND BULL SUM 8650 35.3 15.8 223 26.2 23.9 110 COTTONWOOD CREEK 7670 12.1 .3 4033* 39.4 30.9 128 EAST RIM DIVIDE 7930 .0 .0 * 17.9 14.7 122 GRAND TARGHEE 9260 45.4 41.1 110 44.9 38.1 118 GRANITE CREEK 6770 .6 .0 * 27.9 23.6 118 GRASSY LAKE 7265 14.3 10.3 139 46.4 42.9 108 GROS VENTRE SUMMIT 8750 1.9 .9 211* 17.1 16.6 103 GUNSIGHT PASS 9820 13.0 5.8 224 22.9 18.2 126 LEWIS LAKE DIVIDE 7850 22.0 16.7 132 47.0 42.0 112 PHILLIPS BENCH 8200 21.6 13.6 159 39.8 33.6 118 SALT RIVER SUMMIT 7760 .0 .0 * 22.3 20.5 109 SNAKE RIVER STATION 6920 .0 .0 * 30.3 27.2 111 SPRING CREEK DIVIDE 9000 27.2 15.1 180 36.8 28.7 128 THUMB DIVIDE 7980 .1 .0 * 23.7 23.4 101 TOGWOTEE PASS 9580 27.0 21.7 124 37.6 30.5 123 TWO OCEAN PLATEAU 9240 36.6 27.4 134 39.9 33.8 118 WILLOW CREEK 8380 17.0 8.6 198 47.3 41.9 113 YOUNTS PEAK 8350 -M 8.3 * -M 20.3 * ----- ----- Basin Index (%) 149 115 MADISON-GALLATIN BLACK BEAR 8170 34.3 29.9 115 48.6 45.6 107 CANYON 7870 .0 .0 * 20.4 20.5 100 MADISON PLATEAU 7750 12.7 10.7 119 30.9 32.4 95 WEST YELLOWSTONE 6700 .0 .0 * 19.6 18.0 109 WHISKEY CREEK 6800 2.3 1.1 209* 26.3 25.0 105 ----- ----- Basin Index (%) 118* 103 YELLOWSTONE BEARTOOTH LAKE 9360 29.6 19.8 149 34.9 24.8 141 BURNT MTN 5880 .0 .0 * 26.3 20.4 129 CANYON 7870 .0 .0 * 20.4 20.5 100 COLE CREEK 7850 21.7 12.5 174 22.6 20.6 110 EVENING STAR 9200 33.1 20.9 158 46.7 34.4 136 FISHER CREEK 9100 41.8 30.2 138 47.2 39.4 120 NORTHEAST ENTRANCE 7350 .0 .0 * 19.6 16.2 121 PARKER PEAK 9400 27.6 17.4 159 35.6 23.3 153 SYLVAN LAKE 8420 10.7 11.4 94 35.4 28.6 124 THUMB DIVIDE 7980 .1 .0 * 23.7 23.4 101 TWO OCEAN PLATEAU 9240 36.6 27.4 134 39.9 33.8 118 WHITE MILL 8700 28.6 20.0 143 35.1 29.8 118 WOLVERINE 7650 .0 .0 * 21.1 16.1 131 ----- ----- Basin Index (%) 144 123 WIND RIVER BURROUGHS CREEK 8750 -M 4.8 * -M 20.6 * CASTLE CREEK 8400 .0 -M * 15.3 -M * COLD SPRINGS 9630 .0 .0 * 16.4 15.0 109 DEER PARK 9700 8.2 7.0 117 24.7 26.8 92 HOBBS PARK 10100 10.0 9.6 104 19.0 20.0 95 KIRWIN 9550 10.6 5.0 212 22.9 16.5 139 LITTLE WARM 9370 1.3 .0 * 20.3 18.0 113 OWL CREEK 8975 .0 .0 * 10.1 10.3 98 SOUTH PASS 9040 2.9 1.5 193* 19.3 23.2 83 ST. LAWRENCE ALT 8620 .0 .0 * 12.8 14.1 91 TOGWOTEE PASS 9580 27.0 21.7 124 37.6 30.5 123 TOWNSEND CREEK 8700 .0 .0 * 14.9 17.8 84 ----- ----- Basin Index (%) 134* 103 BIGHORN BASIN BALD MTN. 9380 26.2 16.3 161 25.8 23.0 112 BEAR TRAP MEADOW 8200 .0 .0 * 15.2 13.5 113 BONE SPRINGS DIV 9350 18.1 11.8 153 22.6 21.8 104 GRAVE SPRINGS 8550 1.0 .0 * 16.3 15.9 103 KIRWIN 9550 10.6 5.0 212 22.9 16.5 139 MARQUETTE 8760 4.7 -M * 18.3 -M * MIDDLE POWDER 7760 3.6 .0 * 18.9 17.0 111 OWL CREEK 8975 .0 .0 * 10.1 10.3 98 POWDER RIVER PASS 9480 7.0 .2 3500* 20.7 18.2 114 SHELL CREEK 9580 17.9 12.6 142 21.8 19.4 112 TIMBER CREEK 7950 .0 .0 * 14.4 13.0 111 ----- ----- Basin Index (%) 184* 112 SHOSHONE RIVER BLACKWATER 9780 27.6 22.7 122 35.0 26.9 130 EVENING STAR 9200 33.1 20.9 158 46.7 34.4 136 MARQUETTE 8760 4.7 -M * 18.3 -M * SYLVAN ROAD 7120 .0 .0 * 25.6 20.9 122 YOUNTS PEAK 8350 -M 8.3 * -M 20.3 * ----- ----- Basin Index (%) 139* 131 POWDER RIVER BEAR TRAP MEADOW 8200 .0 .0 * 15.2 13.5 113 CLOUD PEAK RESERVOIR 9860 19.5 10.3 189 26.9 20.7 130 GRAVE SPRINGS 8550 1.0 .0 * 16.3 15.9 103 HANSEN SAWMILL 8360 .0 .0 * 17.2 13.8 125 MIDDLE POWDER 7760 3.6 .0 * 18.9 17.0 111 POWDER RIVER PASS 9480 7.0 .2 3500* 20.7 18.2 114 SOLDIER PARK 8720 1.6 -M * 17.5 -M * ----- ----- Basin Index (%) 296* 116 TONGUE RIVER BIG GOOSE 7990 5.5 .0 * 20.4 18.0 113 BONE SPRINGS DIV 9350 18.1 11.8 153 22.6 21.8 104 BURGESS JUNCTION 7880 8.9 3.0 297 21.5 17.7 121 DOME LAKE 8880 11.7 .8 1462* 22.2 19.9 112 LITTLE GOOSE 8870 7.5 -M * 23.6 -M * SUCKER CREEK 8880 10.8 4.0 270 25.7 21.1 122 TIE CREEK 6870 .0 .0 * 19.8 18.3 108 ----- ----- Basin Index (%) 281* 113 BELLE FOURCHE COLE CANYON 5910 .0 .0 * 18.4 16.0 115 ----- ----- Basin Index (%) * 115 CHEYENNE RIVER BASIN BLIND PARK 6890 .0 .0 * 20.9 17.8 117 NORTH RAPID CREEK 6130 .0 .0 * 20.3 15.5 131 ----- ----- Basin Index (%) * 124 UPPER N. PLATTE ARAPAHO RIDGE 10960 26.5 12.0 221 35.3 29.0 122 BLACKHALL MTN 9820 30.5 -M * 44.6 -M * COLUMBINE 9160 15.6 .0 * 42.5 31.1 137 DIVIDE PEAK 8880 .0 .1 0* 30.0 27.0 111 JOE WRIGHT 10120 29.8 17.1 174 43.0 33.7 128 LAPRELE CREEK 8375 .2 .0 * 17.9 17.6 102 MED BOW 10500 -M -M * 49.3 -M * NORTH FRENCH CREEK 10130 34.7 24.7 140 44.2 34.6 128 NEVER SUMMER 10280 28.1 17.3 162 28.7 -M * OLD BATTLE 10000 35.9 28.2 127 45.5 43.1 106 RAWAH 9020 .0 .0 * 25.9 19.3 134 SAGE CREEK BASIN 7850 .1 .0 * 14.8 17.7 84 SAND LAKE 10050 37.8 23.6 160 43.0 32.6 132 SOUTH BRUSH CREEK 8440 .0 .0 * 20.0 20.7 97 TOWER 10500 49.4 42.6 116 61.0 48.7 125 WEBBER SPRINGS 9250 -M 4.0 * -M 32.6 * WILLOW CREEK PASS 9540 8.4 3.9 215 21.1 18.0 117 ZIRKEL 9340 21.5 .0 * 49.0 33.8 145 ----- ----- Basin Index (%) 170* 121 SWEETWATER DEER PARK 9700 8.2 7.0 117 24.7 26.8 92 LARSEN CREEK 9000 .0 1.5 0 17.9 -M * SOUTH PASS 9040 2.9 1.5 193* 19.3 23.2 83 ----- ----- Basin Index (%) 111 88 LOWER N. PLATTE CASPER MTN. 7900 2.8 .3 933* 21.7 21.2 102 LAPRELE CREEK 8375 .2 .0 * 17.9 17.6 102 RENO HILL 8400 10.1 .0 * 28.8 22.2 130 WINDY PEAK 7900 .0 .0 * 17.7 15.6 113 ----- ----- Basin Index (%) 4367* 112 LARAMIE RIVER BROOKLYN LAKE 10240 23.0 10.0 230 38.6 27.9 138 CINNABAR PARK 9574 19.5 5.5 355 37.6 30.0 125 CROW CREEK 8330 .0 .0 * 18.7 15.8 118 DEADMAN HILL 10220 21.9 11.8 186 31.7 23.6 134 RAWAH 9020 .0 .0 * 25.9 19.3 134 ROACH 9700 13.4 5.6 239 32.8 25.3 130 ----- ----- Basin Index (%) 236 131 S. PLATTE BLACK MOUNTAIN 8920 .1 -M * 20.3 -M * CROW CREEK 8330 .0 .0 * 18.7 15.8 118 DEADMAN HILL 10220 21.9 11.8 186 31.7 23.6 134 ----- ----- Basin Index (%) 186* 128 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .0 .0 * 20.4 19.0 107 DIVIDE PEAK 8880 .0 .1 0* 30.0 27.0 111 ELK RIVER 8700 .2 .0 * 28.2 25.1 112 LITTLE SNAKE RIVER 8915 -M 5.9 * -M 35.8 * OLD BATTLE 10000 35.9 28.2 127 45.5 43.1 106 SAGE CREEK BASIN 7850 .1 .0 * 14.8 17.7 84 SANDSTONE RS 8150 -M .0 * 21.2 23.0 92 WHISKEY PARK 8950 22.2 13.0 171 47.1 34.4 137 ----- ----- Basin Index (%) 141* 109 UPPER GREEN RIVER BIG SANDY OPENING 9080 2.2 .0 * 17.3 17.5 99 BLIND BULL SUM 8650 35.3 15.8 223 26.2 23.9 110 EAST RIM DIVIDE 7930 .0 .0 * 17.9 14.7 122 ELKHART PARK G.S. 9400 7.6 2.1 362 20.5 17.4 118 GROS VENTRE SUMMIT 8750 1.9 .9 211* 17.1 16.6 103 GUNSIGHT PASS 9820 13.0 5.8 224 22.9 18.2 126 KENDALL R.S. 7740 .0 .0 * 25.3 17.3 146 LOOMIS PARK 8240 5.6 .0 * 27.8 21.1 132 NEW FORK LAKE 8340 -M .0 * 15.6 14.1 111 POCKET CREEK 9360 3.4 -M * 15.3 -M * SNIDER BASIN 8060 .0 .0 * 23.0 17.2 134 SPRING CREEK DIVIDE 9000 27.2 15.1 180 36.8 28.7 128 TRIPLE PEAK 8500 14.1 1.7 829* 41.4 31.0 134 ----- ----- Basin Index (%) 258* 123 LOWER GREEN RIVER BLACKS FORK JCT 8870 .0 -M * 16.9 -M * BUCK PASTURE 9700 .0 -M * 21.5 -M * EF BLACKS FORK GS 9360 .0 -M * 16.1 -M * HAMS FORK 7840 .0 .0 * 16.9 14.9 113 HEWINTA 9519 .0 .0 * 18.7 18.2 103 HICKERSON PARK 9145 .0 .0 * 12.7 14.1 90 HOLE-IN-ROCK 9150 .0 .0 * 13.9 13.6 102 INDIAN CREEK 9425 19.3 13.6 142 31.0 27.7 112 KELLEY R.S. 8180 .0 .0 * 23.7 22.4 106 SPIRIT LK 10235 .0 -M * 19.3 -M * STEEL CREEK PARK 10200 13.8 11.2 123 21.4 21.6 99 ----- ----- Basin Index (%) 133* 104 UPPER BEAR RIVER BEAR RIVER RS 8777 .0 -M * 15.8 -M * BUG LAKE 7950 .5 .0 * 24.5 24.1 102 BURTS MILLER RANCH 8000 .0 -M * 8.9 -M * CHALK CREEK #1 8993 5.3 9.5 56 27.8 31.6 88 HAYDEN FORK 9212 .0 .0 * 25.7 26.4 97 KELLEY R.S. 8180 .0 .0 * 23.7 22.4 106 LILY LAKE 9156 .0 .0 * 19.3 22.0 88 MONTE CRISTO 8960 8.2 7.9 104 30.8 32.4 95 SALT RIVER SUMMIT 7760 .0 .0 * 22.3 20.5 109 ----- ----- Basin Index (%) 80* 97 ----------------------------------------------------------------------------- -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.