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: MAY 28 , 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 * 30.3 25.3 120 BLACK BEAR 8170 -M 29.0 * -M 45.7 * BLIND BULL SUM 8650 -M 15.0 * -M 24.0 * COTTONWOOD CREEK 7670 10.3 .0 * 39.4 31.0 127 EAST RIM DIVIDE 7930 .0 .0 * 17.9 14.8 121 GRAND TARGHEE 9260 44.5 41.0 109 45.0 38.2 118 GRANITE CREEK 6770 .2 .0 * 28.3 23.7 119 GRASSY LAKE 7265 12.7 9.4 135 46.3 43.1 107 GROS VENTRE SUMMIT 8750 .7 .4 175* 17.2 16.8 102 GUNSIGHT PASS 9820 12.1 5.2 233 23.0 18.3 126 LEWIS LAKE DIVIDE 7850 20.3 15.7 129 47.1 42.2 112 PHILLIPS BENCH 8200 20.1 12.8 157 39.7 33.8 117 SALT RIVER SUMMIT 7760 .0 .0 * 22.2 20.5 108 SNAKE RIVER STATION 6920 .0 .0 * 30.3 27.3 111 SPRING CREEK DIVIDE 9000 25.9 14.3 181 36.8 28.8 128 THUMB DIVIDE 7980 .1 .0 * 23.7 23.5 101 TOGWOTEE PASS 9580 26.3 21.2 124 37.6 30.6 123 TWO OCEAN PLATEAU 9240 35.3 27.0 131 39.9 33.9 118 WILLOW CREEK 8380 15.0 7.5 200 47.3 42.0 113 YOUNTS PEAK 8350 -M 7.4 * -M 20.3 * ----- ----- Basin Index (%) 145* 116 MADISON-GALLATIN BLACK BEAR 8170 -M 29.0 * -M 45.7 * CANYON 7870 .0 .0 * 20.6 20.6 100 MADISON PLATEAU 7750 -M 9.8 * -M 32.6 * WEST YELLOWSTONE 6700 .0 .0 * 19.6 18.1 108 WHISKEY CREEK 6800 .9 .3 300* 26.4 25.2 105 ----- ----- Basin Index (%) 300* 104 YELLOWSTONE BEARTOOTH LAKE 9360 28.9 19.4 149 34.9 24.9 140 BURNT MTN 5880 .0 .0 * 26.3 20.5 128 CANYON 7870 .0 .0 * 20.6 20.6 100 COLE CREEK 7850 20.8 12.0 173 22.6 20.8 109 EVENING STAR 9200 32.3 20.4 158 46.8 34.5 136 FISHER CREEK 9100 40.6 29.7 137 47.2 39.5 119 NORTHEAST ENTRANCE 7350 .0 .0 * 19.6 16.3 120 PARKER PEAK 9400 26.1 16.7 156 35.7 23.4 153 SYLVAN LAKE 8420 9.6 10.6 91 35.4 28.8 123 THUMB DIVIDE 7980 .1 .0 * 23.7 23.5 101 TWO OCEAN PLATEAU 9240 35.3 27.0 131 39.9 33.9 118 WHITE MILL 8700 27.5 19.5 141 35.2 29.9 118 WOLVERINE 7650 .0 .0 * 21.1 16.2 130 ----- ----- Basin Index (%) 142 123 WIND RIVER BURROUGHS CREEK 8750 -M 4.1 * -M 20.7 * CASTLE CREEK 8400 .0 -M * 15.3 -M * COLD SPRINGS 9630 .0 .0 * 17.0 15.1 113 DEER PARK 9700 7.0 6.3 111 24.8 26.8 93 HOBBS PARK 10100 8.7 8.8 99 19.0 20.1 95 KIRWIN 9550 9.2 4.3 214 22.9 16.6 138 LITTLE WARM 9370 .0 .0 * 20.3 18.1 112 OWL CREEK 8975 .0 .0 * 10.1 10.4 97 SOUTH PASS 9040 1.6 1.1 145* 19.3 23.3 83 ST. LAWRENCE ALT 8620 .0 .0 * 12.7 14.2 89 TOGWOTEE PASS 9580 26.3 21.2 124 37.6 30.6 123 TOWNSEND CREEK 8700 .0 .0 * 14.8 17.9 83 ----- ----- Basin Index (%) 127* 103 BIGHORN BASIN BALD MTN. 9380 25.0 15.8 158 25.7 23.1 111 BEAR TRAP MEADOW 8200 .0 .0 * 15.2 13.6 112 BONE SPRINGS DIV 9350 16.9 11.4 148 22.6 21.9 103 GRAVE SPRINGS 8550 .0 .0 * 16.2 15.9 102 KIRWIN 9550 9.2 4.3 214 22.9 16.6 138 MARQUETTE 8760 2.9 -M * 18.3 -M * MIDDLE POWDER 7760 1.9 .0 * 19.0 17.1 111 OWL CREEK 8975 .0 .0 * 10.1 10.4 97 POWDER RIVER PASS 9480 5.7 .0 * 20.8 18.3 114 SHELL CREEK 9580 16.7 11.9 140 21.9 19.6 112 TIMBER CREEK 7950 .0 .0 * 14.3 13.1 109 ----- ----- Basin Index (%) 174* 111 SHOSHONE RIVER BLACKWATER 9780 26.7 22.3 120 35.0 27.0 130 EVENING STAR 9200 32.3 20.4 158 46.8 34.5 136 MARQUETTE 8760 2.9 -M * 18.3 -M * SYLVAN ROAD 7120 .0 .0 * 25.6 21.0 122 YOUNTS PEAK 8350 -M 7.4 * -M 20.3 * ----- ----- Basin Index (%) 138* 130 POWDER RIVER BEAR TRAP MEADOW 8200 .0 .0 * 15.2 13.6 112 CLOUD PEAK RESERVOIR 9860 18.0 9.4 191 26.9 20.8 129 GRAVE SPRINGS 8550 .0 .0 * 16.2 15.9 102 HANSEN SAWMILL 8360 .0 .0 * 17.2 13.8 125 MIDDLE POWDER 7760 1.9 .0 * 19.0 17.1 111 POWDER RIVER PASS 9480 5.7 .0 * 20.8 18.3 114 SOLDIER PARK 8720 .0 -M * 17.5 -M * ----- ----- Basin Index (%) 272* 116 TONGUE RIVER BIG GOOSE 7990 4.1 .0 * 20.5 18.0 114 BONE SPRINGS DIV 9350 16.9 11.4 148 22.6 21.9 103 BURGESS JUNCTION 7880 7.7 2.2 350 21.7 17.8 122 DOME LAKE 8880 10.6 .0 * 22.6 20.0 113 LITTLE GOOSE 8870 6.3 -M * 23.6 -M * SUCKER CREEK 8880 9.5 3.2 297 25.7 21.2 121 TIE CREEK 6870 .0 .0 * 19.8 18.3 108 ----- ----- Basin Index (%) 290* 113 BELLE FOURCHE COLE CANYON 5910 .0 .0 * 18.4 16.0 115 ----- ----- Basin Index (%) * 115 CHEYENNE RIVER BASIN BLIND PARK 6890 .0 .0 * 21.1 17.9 118 NORTH RAPID CREEK 6130 .0 .0 * 20.8 15.5 134 ----- ----- Basin Index (%) * 125 UPPER N. PLATTE ARAPAHO RIDGE 10960 24.5 11.1 221 35.2 29.0 121 BLACKHALL MTN 9820 29.0 -M * 44.4 -M * COLUMBINE 9160 13.3 .0 * 42.5 31.2 136 DIVIDE PEAK 8880 .0 .0 * 30.0 27.1 111 JOE WRIGHT 10120 28.5 16.4 174 43.0 33.9 127 LAPRELE CREEK 8375 .1 .0 * 17.9 17.6 102 MED BOW 10500 -M -M * 49.3 -M * NORTH FRENCH CREEK 10130 33.1 24.0 138 44.2 34.7 127 NEVER SUMMER 10280 27.6 17.0 162 28.7 -M * OLD BATTLE 10000 34.9 27.3 128 45.5 43.2 105 RAWAH 9020 .0 .0 * 25.8 19.3 134 SAGE CREEK BASIN 7850 .0 .0 * 14.8 17.7 84 SAND LAKE 10050 37.2 22.8 163 43.0 32.7 131 SOUTH BRUSH CREEK 8440 .0 .0 * 19.9 20.8 96 TOWER 10500 47.5 41.4 115 61.1 48.8 125 WEBBER SPRINGS 9250 12.3 2.7 456 37.3 32.7 114 WILLOW CREEK PASS 9540 7.1 3.0 237 21.2 18.1 117 ZIRKEL 9340 19.8 .0 * 49.0 33.8 145 ----- ----- Basin Index (%) 173 120 SWEETWATER DEER PARK 9700 7.0 6.3 111 24.8 26.8 93 LARSEN CREEK 9000 .0 1.2 0* 17.9 -M * SOUTH PASS 9040 1.6 1.1 145* 19.3 23.3 83 ----- ----- Basin Index (%) 100* 88 LOWER N. PLATTE CASPER MTN. 7900 .8 .1 800* 21.7 21.4 101 LAPRELE CREEK 8375 .1 .0 * 17.9 17.6 102 RENO HILL 8400 8.3 .0 * 28.8 22.3 129 WINDY PEAK 7900 .0 .0 * 17.8 15.8 113 ----- ----- Basin Index (%) 9200* 112 LARAMIE RIVER BROOKLYN LAKE 10240 21.5 9.0 239 38.7 28.0 138 CINNABAR PARK 9574 18.4 4.6 400 37.6 30.0 125 CROW CREEK 8330 .0 .0 * 18.7 15.9 118 DEADMAN HILL 10220 20.7 11.0 188 31.6 23.7 133 RAWAH 9020 .0 .0 * 25.8 19.3 134 ROACH 9700 12.0 4.7 255 32.8 25.4 129 ----- ----- Basin Index (%) 248 130 S. PLATTE BLACK MOUNTAIN 8920 .1 -M * 20.3 -M * CROW CREEK 8330 .0 .0 * 18.7 15.9 118 DEADMAN HILL 10220 20.7 11.0 188 31.6 23.7 133 ----- ----- Basin Index (%) 188* 127 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .0 .0 * 20.4 19.0 107 DIVIDE PEAK 8880 .0 .0 * 30.0 27.1 111 ELK RIVER 8700 .1 .0 * 28.2 25.2 112 LITTLE SNAKE RIVER 8915 -M 5.0 * -M 35.8 * OLD BATTLE 10000 34.9 27.3 128 45.5 43.2 105 SAGE CREEK BASIN 7850 .0 .0 * 14.8 17.7 84 SANDSTONE RS 8150 -M .0 * 21.2 23.0 92 WHISKEY PARK 8950 20.0 11.7 171 47.1 34.5 137 ----- ----- Basin Index (%) 141* 109 UPPER GREEN RIVER BIG SANDY OPENING 9080 .9 .0 * 17.0 17.6 97 BLIND BULL SUM 8650 -M 15.0 * -M 24.0 * EAST RIM DIVIDE 7930 .0 .0 * 17.9 14.8 121 ELKHART PARK G.S. 9400 6.0 1.5 400 20.6 17.5 118 GROS VENTRE SUMMIT 8750 .7 .4 175* 17.2 16.8 102 GUNSIGHT PASS 9820 12.1 5.2 233 23.0 18.3 126 KENDALL R.S. 7740 .0 .0 * 25.3 17.4 145 LOOMIS PARK 8240 4.3 .0 * 27.8 21.2 131 NEW FORK LAKE 8340 -M .0 * 15.7 14.2 111 POCKET CREEK 9360 1.9 -M * 15.3 -M * SNIDER BASIN 8060 .0 .0 * 23.0 17.3 133 SPRING CREEK DIVIDE 9000 25.9 14.3 181 36.8 28.8 128 TRIPLE PEAK 8500 12.7 .7 1814* 41.3 31.1 133 ----- ----- Basin Index (%) 283* 124 LOWER GREEN RIVER BLACKS FORK JCT 8870 .0 -M * 16.8 -M * BUCK PASTURE 9700 .0 -M * 21.5 -M * EF BLACKS FORK GS 9360 .0 -M * 16.2 -M * HAMS FORK 7840 .0 .0 * 16.9 15.0 113 HEWINTA 9519 .0 .0 * 18.7 18.3 102 HICKERSON PARK 9145 .0 .0 * 12.7 14.1 90 HOLE-IN-ROCK 9150 .0 .0 * 13.9 13.7 101 INDIAN CREEK 9425 17.8 13.0 137 31.1 27.7 112 KELLEY R.S. 8180 .0 .0 * 23.7 22.5 105 SPIRIT LK 10235 .0 -M * 19.1 -M * STEEL CREEK PARK 10200 12.3 10.9 113 21.4 21.7 99 ----- ----- Basin Index (%) 126* 104 UPPER BEAR RIVER BEAR RIVER RS 8777 .0 -M * 15.7 -M * BUG LAKE 7950 .3 .0 * 24.5 24.2 101 BURTS MILLER RANCH 8000 .0 -M * 8.9 -M * CHALK CREEK #1 8993 3.9 8.8 44 27.7 31.7 87 HAYDEN FORK 9212 .0 .0 * 25.6 26.5 97 KELLEY R.S. 8180 .0 .0 * 23.7 22.5 105 LILY LAKE 9156 .0 .0 * 19.4 22.1 88 MONTE CRISTO 8960 6.5 7.1 92 30.9 32.4 95 SALT RIVER SUMMIT 7760 .0 .0 * 22.2 20.5 108 ----- ----- Basin Index (%) 67* 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.