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 MONDAY: MAY 26 , 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 * 30.5 25.1 122 BLACK BEAR 8170 35.8 30.6 117 48.6 45.4 107 BLIND BULL SUM 8650 36.5 16.5 221 26.2 23.8 110 COTTONWOOD CREEK 7670 13.7 .7 1957* 39.4 30.8 128 EAST RIM DIVIDE 7930 .0 .0 * 17.9 14.6 123 GRAND TARGHEE 9260 45.9 41.2 111 45.0 38.0 118 GRANITE CREEK 6770 2.4 .0 * 27.6 23.5 117 GRASSY LAKE 7265 16.2 11.2 145 46.4 42.8 108 GROS VENTRE SUMMIT 8750 3.4 1.6 212 17.2 16.5 104 GUNSIGHT PASS 9820 14.0 6.5 215 22.9 18.2 126 LEWIS LAKE DIVIDE 7850 23.7 17.6 135 47.0 41.8 112 PHILLIPS BENCH 8200 23.0 14.4 160 39.7 33.5 119 SALT RIVER SUMMIT 7760 .0 .0 * 22.2 20.4 109 SNAKE RIVER STATION 6920 .0 .0 * 30.4 27.1 112 SPRING CREEK DIVIDE 9000 28.5 15.9 179 36.8 28.7 128 THUMB DIVIDE 7980 .1 .0 * 23.7 23.3 102 TOGWOTEE PASS 9580 27.6 22.2 124 37.6 30.4 124 TWO OCEAN PLATEAU 9240 37.8 27.6 137 39.9 33.6 119 WILLOW CREEK 8380 18.9 9.8 193 47.3 41.8 113 YOUNTS PEAK 8350 -M 9.1 * -M 20.2 * ----- ----- Basin Index (%) 152 116 MADISON-GALLATIN BLACK BEAR 8170 35.8 30.6 117 48.6 45.4 107 CANYON 7870 .7 .0 * 20.4 20.4 100 MADISON PLATEAU 7750 14.1 11.4 124 30.9 32.3 96 WEST YELLOWSTONE 6700 .0 .0 * 19.6 18.0 109 WHISKEY CREEK 6800 3.8 1.9 200 26.1 25.0 104 ----- ----- Basin Index (%) 124 103 YELLOWSTONE BEARTOOTH LAKE 9360 30.3 20.1 151 34.9 24.7 141 BURNT MTN 5880 .1 .0 * 26.2 20.1 130 CANYON 7870 .7 .0 * 20.4 20.4 100 COLE CREEK 7850 22.9 13.1 175 22.4 20.4 110 EVENING STAR 9200 34.1 21.4 159 46.7 34.2 137 FISHER CREEK 9100 -M 30.7 * 47.2 39.2 120 NORTHEAST ENTRANCE 7350 .0 .0 * 19.6 16.1 122 PARKER PEAK 9400 29.0 18.1 160 35.6 23.1 154 SYLVAN LAKE 8420 12.4 12.1 102 35.4 28.4 125 THUMB DIVIDE 7980 .1 .0 * 23.7 23.3 102 TWO OCEAN PLATEAU 9240 37.8 27.6 137 39.9 33.6 119 WHITE MILL 8700 29.8 20.5 145 35.1 29.6 119 WOLVERINE 7650 -M .0 * 21.0 16.0 131 ----- ----- Basin Index (%) 148 124 WIND RIVER BURROUGHS CREEK 8750 -M 5.6 * -M 20.5 * CASTLE CREEK 8400 .0 -M * 15.3 -M * COLD SPRINGS 9630 .0 .0 * 15.8 14.9 106 DEER PARK 9700 -M 7.6 * 24.7 26.7 93 HOBBS PARK 10100 11.2 10.2 110 19.0 19.9 95 KIRWIN 9550 12.4 5.5 225 23.0 16.4 140 LITTLE WARM 9370 2.9 .1 2900* 20.3 17.9 113 OWL CREEK 8975 .2 .0 * 10.0 10.2 98 SOUTH PASS 9040 4.7 2.0 235 19.3 23.0 84 ST. LAWRENCE ALT 8620 .1 .0 * 12.8 13.9 92 TOGWOTEE PASS 9580 27.6 22.2 124 37.6 30.4 124 TOWNSEND CREEK 8700 .0 .0 * 14.6 17.7 82 ----- ----- Basin Index (%) 148* 103 BIGHORN BASIN BALD MTN. 9380 27.4 16.8 163 25.8 22.9 113 BEAR TRAP MEADOW 8200 .0 .0 * 14.8 13.4 110 BONE SPRINGS DIV 9350 19.3 12.2 158 22.5 21.7 104 GRAVE SPRINGS 8550 2.3 .0 * 16.1 15.7 103 KIRWIN 9550 12.4 5.5 225 23.0 16.4 140 MARQUETTE 8760 6.8 -M * 18.2 -M * MIDDLE POWDER 7760 5.3 .5 1060* 18.3 16.9 108 OWL CREEK 8975 .2 .0 * 10.0 10.2 98 POWDER RIVER PASS 9480 8.1 1.4 579 20.7 18.1 114 SHELL CREEK 9580 18.9 13.2 143 21.8 19.3 113 TIMBER CREEK 7950 .2 .0 * 14.4 12.9 112 ----- ----- Basin Index (%) 190* 112 SHOSHONE RIVER BLACKWATER 9780 28.9 22.9 126 34.9 26.8 130 EVENING STAR 9200 34.1 21.4 159 46.7 34.2 137 MARQUETTE 8760 6.8 -M * 18.2 -M * SYLVAN ROAD 7120 .0 .0 * 25.6 20.8 123 YOUNTS PEAK 8350 -M 9.1 * -M 20.2 * ----- ----- Basin Index (%) 142* 131 POWDER RIVER BEAR TRAP MEADOW 8200 .0 .0 * 14.8 13.4 110 CLOUD PEAK RESERVOIR 9860 20.9 11.2 187 26.9 20.5 131 GRAVE SPRINGS 8550 2.3 .0 * 16.1 15.7 103 HANSEN SAWMILL 8360 .2 .0 * 17.2 13.6 126 MIDDLE POWDER 7760 5.3 .5 1060* 18.3 16.9 108 POWDER RIVER PASS 9480 8.1 1.4 579 20.7 18.1 114 SOLDIER PARK 8720 3.0 -M * 17.5 -M * ----- ----- Basin Index (%) 281* 116 TONGUE RIVER BIG GOOSE 7990 6.5 .2 3250* 20.4 17.9 114 BONE SPRINGS DIV 9350 19.3 12.2 158 22.5 21.7 104 BURGESS JUNCTION 7880 10.1 3.8 266 21.3 17.6 121 DOME LAKE 8880 12.8 1.7 753 22.0 19.8 111 LITTLE GOOSE 8870 8.3 -M * 23.6 -M * SUCKER CREEK 8880 11.9 4.8 248 25.7 21.0 122 TIE CREEK 6870 .2 .0 * 19.8 18.1 109 ----- ----- Basin Index (%) 268 113 BELLE FOURCHE COLE CANYON 5910 .0 .0 * 18.4 15.8 116 ----- ----- Basin Index (%) * 116 CHEYENNE RIVER BASIN BLIND PARK 6890 .1 .0 * 20.9 17.7 118 NORTH RAPID CREEK 6130 .0 .0 * 20.2 15.2 133 ----- ----- Basin Index (%) * 125 UPPER N. PLATTE ARAPAHO RIDGE 10960 27.3 12.9 212 35.3 28.9 122 BLACKHALL MTN 9820 32.2 -M * 44.6 -M * COLUMBINE 9160 17.7 .0 * 42.4 31.0 137 DIVIDE PEAK 8880 .3 .6 50* 30.0 26.9 112 JOE WRIGHT 10120 30.3 17.9 169 43.0 33.5 128 LAPRELE CREEK 8375 .2 .0 * 17.7 17.4 102 MED BOW 10500 -M -M * 49.3 -M * NORTH FRENCH CREEK 10130 35.8 25.5 140 44.2 34.4 128 NEVER SUMMER 10280 25.8 17.6 147 28.6 -M * OLD BATTLE 10000 36.9 29.1 127 45.1 42.9 105 RAWAH 9020 .2 .0 * 25.8 19.2 134 SAGE CREEK BASIN 7850 .1 .0 * 14.8 17.7 84 SAND LAKE 10050 38.4 24.4 157 42.7 32.5 131 SOUTH BRUSH CREEK 8440 .1 .0 * 20.0 20.6 97 TOWER 10500 50.5 43.8 115 61.0 48.6 126 WEBBER SPRINGS 9250 14.5 5.2 279 37.4 32.5 115 WILLOW CREEK PASS 9540 9.5 4.9 194 21.1 17.9 118 ZIRKEL 9340 23.1 .8 2888* 49.0 33.7 145 ----- ----- Basin Index (%) 170 121 SWEETWATER DEER PARK 9700 -M 7.6 * 24.7 26.7 93 LARSEN CREEK 9000 .0 1.8 0 17.9 -M * SOUTH PASS 9040 4.7 2.0 235 19.3 23.0 84 ----- ----- Basin Index (%) 124 89 LOWER N. PLATTE CASPER MTN. 7900 4.7 .7 671* 21.6 21.0 103 LAPRELE CREEK 8375 .2 .0 * 17.7 17.4 102 RENO HILL 8400 11.4 .0 * 28.7 22.0 130 WINDY PEAK 7900 .0 .0 * 17.7 15.5 114 ----- ----- Basin Index (%) 2329* 113 LARAMIE RIVER BROOKLYN LAKE 10240 24.2 11.0 220 38.2 27.8 137 CINNABAR PARK 9574 20.5 6.5 315 37.6 29.9 126 CROW CREEK 8330 .0 .0 * 18.7 15.8 118 DEADMAN HILL 10220 22.5 12.5 180 31.7 23.5 135 RAWAH 9020 .2 .0 * 25.8 19.2 134 ROACH 9700 14.3 6.5 220 32.8 25.2 130 ----- ----- Basin Index (%) 224 131 S. PLATTE BLACK MOUNTAIN 8920 .2 -M * 20.3 -M * CROW CREEK 8330 .0 .0 * 18.7 15.8 118 DEADMAN HILL 10220 22.5 12.5 180 31.7 23.5 135 ----- ----- Basin Index (%) 180* 128 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .0 .0 * 20.4 18.9 108 DIVIDE PEAK 8880 .3 .6 50* 30.0 26.9 112 ELK RIVER 8700 .3 .0 * 28.3 25.0 113 LITTLE SNAKE RIVER 8915 -M 6.9 * -M 35.8 * OLD BATTLE 10000 36.9 29.1 127 45.1 42.9 105 SAGE CREEK BASIN 7850 .1 .0 * 14.8 17.7 84 SANDSTONE RS 8150 -M .0 * 21.0 22.8 92 WHISKEY PARK 8950 24.3 14.5 168 47.1 34.3 137 ----- ----- Basin Index (%) 140* 110 UPPER GREEN RIVER BIG SANDY OPENING 9080 3.9 .0 * 17.1 17.4 98 BLIND BULL SUM 8650 36.5 16.5 221 26.2 23.8 110 EAST RIM DIVIDE 7930 .0 .0 * 17.9 14.6 123 ELKHART PARK G.S. 9400 9.0 2.7 333 20.4 17.3 118 GROS VENTRE SUMMIT 8750 3.4 1.6 212 17.2 16.5 104 GUNSIGHT PASS 9820 14.0 6.5 215 22.9 18.2 126 KENDALL R.S. 7740 .0 .0 * 25.3 17.2 147 LOOMIS PARK 8240 7.1 .0 * 27.7 21.0 132 NEW FORK LAKE 8340 -M .0 * 15.4 14.0 110 POCKET CREEK 9360 5.1 -M * 15.3 -M * SNIDER BASIN 8060 .0 .0 * 23.0 17.2 134 SPRING CREEK DIVIDE 9000 28.5 15.9 179 36.8 28.7 128 TRIPLE PEAK 8500 15.7 2.5 628 41.4 30.9 134 ----- ----- Basin Index (%) 258* 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 * 15.6 -M * HAMS FORK 7840 .0 .0 * 16.9 14.8 114 HEWINTA 9519 .0 .0 * 18.7 18.1 103 HICKERSON PARK 9145 .0 .0 * 12.7 14.0 91 HOLE-IN-ROCK 9150 .0 .0 * 13.9 13.6 102 INDIAN CREEK 9425 20.7 14.2 146 31.0 27.6 112 KELLEY R.S. 8180 .5 .0 * 23.7 22.3 106 SPIRIT LK 10235 .1 -M * 19.3 -M * STEEL CREEK PARK 10200 15.1 11.7 129 21.4 21.5 100 ----- ----- Basin Index (%) 140* 105 UPPER BEAR RIVER BEAR RIVER RS 8777 .0 -M * 15.8 -M * BUG LAKE 7950 2.4 .0 * 24.5 24.0 102 BURTS MILLER RANCH 8000 .0 -M * 8.9 -M * CHALK CREEK #1 8993 6.7 10.3 65 27.8 31.5 88 HAYDEN FORK 9212 .0 .0 * 25.7 26.3 98 KELLEY R.S. 8180 .5 .0 * 23.7 22.3 106 LILY LAKE 9156 .0 .0 * 19.3 21.9 88 MONTE CRISTO 8960 9.5 8.7 109 30.7 32.2 95 SALT RIVER SUMMIT 7760 .0 .0 * 22.2 20.4 109 ----- ----- Basin Index (%) 101* 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.