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 FRIDAY: MAY 30 , 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 * 30.0 25.5 118 BLACK BEAR 8170 30.1 26.9 112 48.6 46.1 105 BLIND BULL SUM 8650 30.3 13.2 230 26.1 24.2 108 COTTONWOOD CREEK 7670 7.2 .0 * 39.4 31.2 126 EAST RIM DIVIDE 7930 .0 .0 * 17.9 14.9 120 GRAND TARGHEE 9260 41.8 40.6 103 44.9 38.4 117 GRANITE CREEK 6770 .1 .0 * 29.0 23.9 121 GRASSY LAKE 7265 9.7 7.1 137 46.3 43.4 107 GROS VENTRE SUMMIT 8750 .0 .0 * 17.5 16.9 104 GUNSIGHT PASS 9820 9.8 4.0 245 23.0 18.5 124 LEWIS LAKE DIVIDE 7850 17.4 13.6 128 47.1 42.4 111 PHILLIPS BENCH 8200 17.6 11.3 156 39.7 34.0 117 SALT RIVER SUMMIT 7760 .0 .0 * 22.3 20.7 108 SNAKE RIVER STATION 6920 .0 .0 * 30.3 27.6 110 SPRING CREEK DIVIDE 9000 23.4 13.0 180 36.8 29.0 127 THUMB DIVIDE 7980 .1 .0 * 23.6 23.7 100 TOGWOTEE PASS 9580 24.4 20.0 122 37.5 30.8 122 TWO OCEAN PLATEAU 9240 33.0 26.0 127 39.9 34.2 117 WILLOW CREEK 8380 11.7 5.5 213 47.3 42.4 112 YOUNTS PEAK 8350 -M 5.2 * -M 20.5 * ----- ----- Basin Index (%) 142 114 MADISON-GALLATIN BLACK BEAR 8170 30.1 26.9 112 48.6 46.1 105 CANYON 7870 .0 .0 * 20.9 20.8 100 MADISON PLATEAU 7750 8.3 8.1 102 30.9 32.9 94 WEST YELLOWSTONE 6700 .0 .0 * 19.7 18.4 107 WHISKEY CREEK 6800 .0 .0 * 26.6 25.4 105 ----- ----- Basin Index (%) 110* 102 YELLOWSTONE BEARTOOTH LAKE 9360 28.1 18.4 153 34.9 25.1 139 BURNT MTN 5880 .0 .0 * 26.3 20.6 128 CANYON 7870 .0 .0 * 20.9 20.8 100 COLE CREEK 7850 18.8 10.8 174 22.6 21.1 107 EVENING STAR 9200 30.3 19.1 159 46.8 34.7 135 FISHER CREEK 9100 38.8 28.9 134 47.3 39.8 119 NORTHEAST ENTRANCE 7350 .0 .0 * 19.6 16.5 119 PARKER PEAK 9400 23.6 15.1 156 35.7 23.6 151 SYLVAN LAKE 8420 7.9 8.6 92 35.4 29.1 122 THUMB DIVIDE 7980 .1 .0 * 23.6 23.7 100 TWO OCEAN PLATEAU 9240 33.0 26.0 127 39.9 34.2 117 WHITE MILL 8700 25.2 18.3 138 35.1 30.2 116 WOLVERINE 7650 .0 .0 * 21.1 16.4 129 ----- ----- Basin Index (%) 142 122 WIND RIVER BURROUGHS CREEK 8750 -M 2.6 * -M 20.9 * CASTLE CREEK 8400 .0 -M * 15.4 -M * COLD SPRINGS 9630 .0 .0 * 17.2 15.2 113 DEER PARK 9700 5.6 4.6 122 24.8 26.9 92 HOBBS PARK 10100 6.2 7.3 85 19.0 20.3 94 KIRWIN 9550 6.2 2.8 221 22.8 16.8 136 LITTLE WARM 9370 .0 .0 * 20.4 18.2 112 OWL CREEK 8975 .0 .0 * 10.2 10.5 97 SOUTH PASS 9040 .6 .5 120* 19.3 23.4 82 ST. LAWRENCE ALT 8620 .0 .0 * 12.8 14.3 90 TOGWOTEE PASS 9580 24.4 20.0 122 37.5 30.8 122 TOWNSEND CREEK 8700 .0 .0 * 15.0 18.0 83 ----- ----- Basin Index (%) 122* 102 BIGHORN BASIN BALD MTN. 9380 24.1 14.8 163 25.7 23.3 110 BEAR TRAP MEADOW 8200 .0 .0 * 15.3 13.7 112 BONE SPRINGS DIV 9350 14.4 10.1 143 22.8 22.0 104 GRAVE SPRINGS 8550 .0 .0 * 16.1 16.0 101 KIRWIN 9550 6.2 2.8 221 22.8 16.8 136 MARQUETTE 8760 .4 -M * 18.3 -M * MIDDLE POWDER 7760 .0 .0 * 19.2 17.2 112 OWL CREEK 8975 .0 .0 * 10.2 10.5 97 POWDER RIVER PASS 9480 3.1 .0 * 20.8 18.5 112 SHELL CREEK 9580 14.0 10.4 135 22.0 19.7 112 TIMBER CREEK 7950 .0 .0 * 14.3 13.3 108 ----- ----- Basin Index (%) 162* 111 SHOSHONE RIVER BLACKWATER 9780 26.1 21.0 124 35.0 27.2 129 EVENING STAR 9200 30.3 19.1 159 46.8 34.7 135 MARQUETTE 8760 .4 -M * 18.3 -M * SYLVAN ROAD 7120 .0 .0 * 25.6 21.2 121 YOUNTS PEAK 8350 -M 5.2 * -M 20.5 * ----- ----- Basin Index (%) 141* 129 POWDER RIVER BEAR TRAP MEADOW 8200 .0 .0 * 15.3 13.7 112 CLOUD PEAK RESERVOIR 9860 15.5 7.4 209 27.1 21.0 129 GRAVE SPRINGS 8550 .0 .0 * 16.1 16.0 101 HANSEN SAWMILL 8360 .0 .0 * 17.2 14.0 123 MIDDLE POWDER 7760 .0 .0 * 19.2 17.2 112 POWDER RIVER PASS 9480 3.1 .0 * 20.8 18.5 112 SOLDIER PARK 8720 .0 -M * 17.5 -M * ----- ----- Basin Index (%) 251* 115 TONGUE RIVER BIG GOOSE 7990 1.1 .0 * 20.6 18.1 114 BONE SPRINGS DIV 9350 14.4 10.1 143 22.8 22.0 104 BURGESS JUNCTION 7880 4.5 .4 1125* 22.3 17.9 125 DOME LAKE 8880 8.2 .0 * 23.4 20.1 116 LITTLE GOOSE 8870 3.6 -M * 23.6 -M * SUCKER CREEK 8880 6.5 1.5 433 25.8 21.3 121 TIE CREEK 6870 .0 .0 * 19.8 18.5 107 ----- ----- Basin Index (%) 289* 114 BELLE FOURCHE COLE CANYON 5910 .0 .0 * 18.4 16.2 114 ----- ----- Basin Index (%) * 114 CHEYENNE RIVER BASIN BLIND PARK 6890 .0 .0 * 21.3 18.1 118 NORTH RAPID CREEK 6130 .0 .0 * 20.9 15.7 133 ----- ----- Basin Index (%) * 125 UPPER N. PLATTE ARAPAHO RIDGE 10960 21.5 9.3 231 35.3 29.1 121 BLACKHALL MTN 9820 26.6 -M * 44.4 -M * COLUMBINE 9160 6.4 .0 * 42.6 31.4 136 DIVIDE PEAK 8880 .0 .0 * 30.0 27.3 110 JOE WRIGHT 10120 27.2 15.1 180 43.0 34.1 126 LAPRELE CREEK 8375 .1 .0 * 18.0 17.8 101 MED BOW 10500 -M -M * 49.3 -M * NORTH FRENCH CREEK 10130 29.5 22.2 133 44.2 34.9 127 NEVER SUMMER 10280 25.9 16.2 160 28.8 -M * OLD BATTLE 10000 33.1 25.6 129 45.5 43.3 105 RAWAH 9020 .0 .0 * 25.9 19.4 134 SAGE CREEK BASIN 7850 .0 .0 * 14.7 17.8 83 SAND LAKE 10050 37.9 21.5 176 42.9 32.9 130 SOUTH BRUSH CREEK 8440 .0 .0 * 20.0 20.9 96 TOWER 10500 44.2 38.7 114 61.1 49.0 125 WEBBER SPRINGS 9250 9.6 .4 2400* 37.3 32.9 113 WILLOW CREEK PASS 9540 4.4 .9 489* 21.3 18.3 116 ZIRKEL 9340 -M .0 * 48.9 33.8 145 ----- ----- Basin Index (%) 160* 120 SWEETWATER DEER PARK 9700 5.6 4.6 122 24.8 26.9 92 LARSEN CREEK 9000 .0 .6 0* 17.9 -M * SOUTH PASS 9040 .6 .5 120* 19.3 23.4 82 ----- ----- Basin Index (%) 109* 88 LOWER N. PLATTE CASPER MTN. 7900 .1 .0 * 21.8 21.5 101 LAPRELE CREEK 8375 .1 .0 * 18.0 17.8 101 RENO HILL 8400 4.4 .0 * 29.0 22.4 129 WINDY PEAK 7900 .0 .0 * 17.7 15.9 111 ----- ----- Basin Index (%) * 111 LARAMIE RIVER BROOKLYN LAKE 10240 18.9 6.9 274 38.6 28.2 137 CINNABAR PARK 9574 16.0 2.8 571 37.5 30.1 125 CROW CREEK 8330 .0 .0 * 18.7 15.9 118 DEADMAN HILL 10220 18.6 9.5 196 31.7 23.8 133 RAWAH 9020 .0 .0 * 25.9 19.4 134 ROACH 9700 9.4 3.1 303 32.8 25.5 129 ----- ----- Basin Index (%) 282 130 S. PLATTE BLACK MOUNTAIN 8920 .1 -M * 20.2 -M * CROW CREEK 8330 .0 .0 * 18.7 15.9 118 DEADMAN HILL 10220 18.6 9.5 196 31.7 23.8 133 ----- ----- Basin Index (%) 196* 127 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .0 .0 * 20.4 19.1 107 DIVIDE PEAK 8880 .0 .0 * 30.0 27.3 110 ELK RIVER 8700 .1 .0 * 28.1 25.3 111 LITTLE SNAKE RIVER 8915 -M 3.3 * -M 36.0 * OLD BATTLE 10000 33.1 25.6 129 45.5 43.3 105 SAGE CREEK BASIN 7850 .0 .0 * 14.7 17.8 83 SANDSTONE RS 8150 -M .0 * 21.3 23.1 92 WHISKEY PARK 8950 14.7 8.8 167 47.1 34.7 136 ----- ----- Basin Index (%) 139* 109 UPPER GREEN RIVER BIG SANDY OPENING 9080 .1 .0 * 17.0 17.7 96 BLIND BULL SUM 8650 30.3 13.2 230 26.1 24.2 108 EAST RIM DIVIDE 7930 .0 .0 * 17.9 14.9 120 ELKHART PARK G.S. 9400 3.1 .5 620* 20.8 17.7 118 GROS VENTRE SUMMIT 8750 .0 .0 * 17.5 16.9 104 GUNSIGHT PASS 9820 9.8 4.0 245 23.0 18.5 124 KENDALL R.S. 7740 .0 .0 * 25.3 17.5 145 LOOMIS PARK 8240 2.2 .0 * 27.8 21.3 131 NEW FORK LAKE 8340 .0 .0 * 15.8 14.4 110 POCKET CREEK 9360 .3 -M * 15.4 -M * SNIDER BASIN 8060 .0 .0 * 23.0 17.4 132 SPRING CREEK DIVIDE 9000 23.4 13.0 180 36.8 29.0 127 TRIPLE PEAK 8500 9.8 .0 * 41.4 31.4 132 ----- ----- Basin Index (%) 256* 121 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 * 16.3 -M * HAMS FORK 7840 .0 .0 * 17.0 15.1 113 HEWINTA 9519 .0 .0 * 18.7 18.4 102 HICKERSON PARK 9145 .0 .0 * 12.7 14.2 89 HOLE-IN-ROCK 9150 .0 .0 * 13.9 13.8 101 INDIAN CREEK 9425 14.9 11.9 125 31.0 27.9 111 KELLEY R.S. 8180 .0 .0 * 23.7 22.7 104 SPIRIT LK 10235 .0 -M * 19.0 -M * STEEL CREEK PARK 10200 9.7 10.1 96 21.5 21.9 98 ----- ----- Basin Index (%) 112* 103 UPPER BEAR RIVER BEAR RIVER RS 8777 .0 -M * 15.8 -M * BUG LAKE 7950 .4 .0 * 24.5 24.3 101 BURTS MILLER RANCH 8000 .0 -M * 8.9 -M * CHALK CREEK #1 8993 .7 7.4 9 27.7 31.8 87 HAYDEN FORK 9212 .0 .0 * 25.6 26.6 96 KELLEY R.S. 8180 .0 .0 * 23.7 22.7 104 LILY LAKE 9156 .0 .0 * 19.3 22.2 87 MONTE CRISTO 8960 2.9 5.6 52 31.0 32.6 95 SALT RIVER SUMMIT 7760 .0 .0 * 22.3 20.7 108 ----- ----- Basin Index (%) 31* 96 ----------------------------------------------------------------------------- -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.