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: MARCH 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 23.0 14.6 158 23.9 19.5 123 BLACK BEAR 8170 37.5 34.2 110 35.5 35.4 100 BLIND BULL SUM 8650 35.0 21.2 165 22.5 18.2 124 COTTONWOOD CREEK 7670 29.4 20.5 143 32.2 22.9 141 EAST RIM DIVIDE 7930 16.8 9.7 173 14.8 11.0 135 GRAND TARGHEE 9260 46.2 34.2 135 35.0 28.1 125 GRANITE CREEK 6770 23.4 14.8 158 23.2 18.6 125 GRASSY LAKE 7265 37.1 30.5 122 35.0 33.6 104 GROS VENTRE SUMMIT 8750 -M 12.1 * 14.4 11.9 121 GUNSIGHT PASS 9820 19.7 12.7 155 18.1 12.6 144 LEWIS LAKE DIVIDE 7850 34.2 28.8 119 -M 33.1 * PHILLIPS BENCH 8200 33.0 23.3 142 32.1 26.1 123 SALT RIVER SUMMIT 7760 17.5 12.4 141 18.5 15.5 119 SNAKE RIVER STATION 6920 -M 15.7 * -M 21.0 * SPRING CREEK DIVIDE 9000 34.1 22.1 154 31.3 22.2 141 THUMB DIVIDE 7980 16.4 14.9 110 15.0 17.1 88 TOGWOTEE PASS 9580 30.1 21.2 142 -M 22.4 * TWO OCEAN PLATEAU 9240 36.7 24.8 148 -M 25.2 * WILLOW CREEK 8380 39.2 25.8 152 38.4 31.0 124 YOUNTS PEAK 8350 -M 13.7 * -M 14.6 * ----- ----- Basin Index (%) 139 120 MADISON-GALLATIN BLACK BEAR 8170 37.5 34.2 110 35.5 35.4 100 CANYON 7870 13.4 12.0 112 15.0 15.0 100 MADISON PLATEAU 7750 21.5 20.7 104 21.7 24.4 89 WEST YELLOWSTONE 6700 12.5 10.1 124 13.9 13.0 107 WHISKEY CREEK 6800 15.5 14.5 107 18.2 18.7 97 ----- ----- Basin Index (%) 110 98 YELLOWSTONE BEARTOOTH LAKE 9360 29.2 20.3 144 27.3 18.2 150 BURNT MTN 5880 9.4 4.7 200 17.0 11.2 152 CANYON 7870 13.4 12.0 112 15.0 15.0 100 COLE CREEK 7850 19.0 12.7 150 13.4 11.3 119 EVENING STAR 9200 36.2 23.3 155 36.7 25.2 146 FISHER CREEK 9100 40.0 28.7 139 35.3 29.4 120 NORTHEAST ENTRANCE 7350 13.5 9.6 141 14.2 11.3 126 PARKER PEAK 9400 28.6 18.2 157 25.9 16.2 160 SYLVAN LAKE 8420 21.7 18.7 116 24.9 20.6 121 THUMB DIVIDE 7980 16.4 14.9 110 15.0 17.1 88 TWO OCEAN PLATEAU 9240 36.7 24.8 148 -M 25.2 * WHITE MILL 8700 31.0 20.9 148 26.6 21.9 121 WOLVERINE 7650 14.1 8.9 158 15.4 11.3 136 ----- ----- Basin Index (%) 142 128 WIND RIVER BURROUGHS CREEK 8750 -M 12.8 * -M 14.7 * CASTLE CREEK 8400 10.4 -M * 12.2 -M * COLD SPRINGS 9630 9.3 6.8 137 12.9 9.0 143 DEER PARK 9700 15.9 14.1 113 18.1 17.7 102 HOBBS PARK 10100 14.5 12.7 114 12.8 11.6 110 KIRWIN 9550 17.9 8.8 203 16.5 10.4 159 LITTLE WARM 9370 14.1 9.8 144 16.3 11.7 139 OWL CREEK 8975 7.3 4.8 152 7.1 5.3 134 SOUTH PASS 9040 15.8 14.4 110 14.7 15.8 93 ST. LAWRENCE ALT 8620 4.9 6.5 75 8.1 7.9 103 TOGWOTEE PASS 9580 30.1 21.2 142 -M 22.4 * TOWNSEND CREEK 8700 7.7 8.7 89 8.8 10.5 84 ----- ----- Basin Index (%) 128 115 BIGHORN BASIN BALD MTN. 9380 23.1 17.0 136 17.7 15.4 115 BEAR TRAP MEADOW 8200 10.2 5.2 196 10.1 7.5 135 BONE SPRINGS DIV 9350 19.5 14.5 134 15.4 14.0 110 GRAVE SPRINGS 8550 11.6 8.4 138 11.5 9.3 124 KIRWIN 9550 17.9 8.8 203 16.5 10.4 159 MARQUETTE 8760 13.1 -M * 11.7 -M * MIDDLE POWDER 7760 15.4 10.5 147 12.5 10.5 119 OWL CREEK 8975 7.3 4.8 152 7.1 5.3 134 POWDER RIVER PASS 9480 14.8 9.6 154 15.6 11.4 137 SHELL CREEK 9580 18.1 13.5 134 15.4 12.4 124 TIMBER CREEK 7950 6.4 4.2 152 7.8 6.5 120 ----- ----- Basin Index (%) 150 126 SHOSHONE RIVER BLACKWATER 9780 29.6 21.2 140 26.6 18.8 141 EVENING STAR 9200 36.2 23.3 155 36.7 25.2 146 MARQUETTE 8760 13.1 -M * 11.7 -M * SYLVAN ROAD 7120 14.3 10.8 132 19.2 15.5 124 YOUNTS PEAK 8350 -M 13.7 * -M 14.6 * ----- ----- Basin Index (%) 145 139 POWDER RIVER BEAR TRAP MEADOW 8200 10.2 5.2 196 10.1 7.5 135 CLOUD PEAK RESERVOIR 9860 19.7 13.4 147 17.4 11.8 147 GRAVE SPRINGS 8550 11.6 8.4 138 11.5 9.3 124 HANSEN SAWMILL 8360 9.3 6.0 155 11.4 7.6 150 MIDDLE POWDER 7760 15.4 10.5 147 12.5 10.5 119 POWDER RIVER PASS 9480 14.8 9.6 154 15.6 11.4 137 SOLDIER PARK 8720 12.2 -M * 10.7 -M * ----- ----- Basin Index (%) 153 135 TONGUE RIVER BIG GOOSE 7990 11.6 8.2 141 13.8 9.6 144 BONE SPRINGS DIV 9350 19.5 14.5 134 15.4 14.0 110 BURGESS JUNCTION 7880 14.3 10.3 139 15.0 10.9 138 DOME LAKE 8880 14.5 10.8 134 13.3 12.0 111 LITTLE GOOSE 8870 13.1 -M * 15.9 -M * SUCKER CREEK 8880 16.8 11.1 151 17.9 12.8 140 TIE CREEK 6870 8.8 5.3 166 14.0 10.1 139 ----- ----- Basin Index (%) 142 129 BELLE FOURCHE COLE CANYON 5910 7.3 5.7 128 13.7 8.2 167 ----- ----- Basin Index (%) 128 167 CHEYENNE RIVER BASIN BLIND PARK 6890 8.6 7.1 121 15.9 10.7 149 NORTH RAPID CREEK 6130 9.1 6.7 136 14.6 8.8 166 ----- ----- Basin Index (%) 128 156 UPPER N. PLATTE ARAPAHO RIDGE 10960 25.6 18.7 137 25.1 20.3 124 BLACKHALL MTN 9820 35.5 -M * 28.1 -M * COLUMBINE 9160 33.9 22.0 154 -M 23.7 * DIVIDE PEAK 8880 18.2 18.5 98 20.9 19.7 106 JOE WRIGHT 10120 21.4 19.6 109 29.7 23.7 125 LAPRELE CREEK 8375 9.4 9.4 100 10.7 11.2 96 MED BOW 10500 7.4 -M * 34.6 -M * NORTH FRENCH CREEK 10130 33.3 26.8 124 32.2 24.6 131 NEVER SUMMER 10280 23.5 18.6 126 17.6 -M * OLD BATTLE 10000 32.2 27.8 116 34.7 32.4 107 RAWAH 9020 14.1 9.9 142 16.5 12.8 129 SAGE CREEK BASIN 7850 12.8 12.0 107 11.5 13.3 86 SAND LAKE 10050 31.9 25.9 123 30.5 22.5 136 SOUTH BRUSH CREEK 8440 12.2 11.7 104 13.9 13.9 100 TOWER 10500 48.7 41.6 117 -M 36.8 * WEBBER SPRINGS 9250 25.1 22.0 114 26.7 24.6 109 WILLOW CREEK PASS 9540 14.1 11.3 125 14.0 12.1 116 ZIRKEL 9340 39.8 25.7 155 -M 26.2 * ----- ----- Basin Index (%) 123 115 SWEETWATER DEER PARK 9700 15.9 14.1 113 18.1 17.7 102 LARSEN CREEK 9000 13.2 11.7 113 15.0 -M * SOUTH PASS 9040 15.8 14.4 110 14.7 15.8 93 ----- ----- Basin Index (%) 112 98 LOWER N. PLATTE CASPER MTN. 7900 17.7 12.8 138 15.0 13.3 113 LAPRELE CREEK 8375 9.4 9.4 100 10.7 11.2 96 RENO HILL 8400 17.3 12.5 138 19.2 13.7 140 WINDY PEAK 7900 9.1 7.6 120 11.4 9.5 120 ----- ----- Basin Index (%) 126 118 LARAMIE RIVER BROOKLYN LAKE 10240 29.9 18.5 162 27.3 19.2 142 CINNABAR PARK 9574 22.3 19.4 115 27.8 22.2 125 CROW CREEK 8330 7.2 6.9 104 11.1 9.6 116 DEADMAN HILL 10220 23.8 14.6 163 22.3 15.6 143 RAWAH 9020 14.1 9.9 142 16.5 12.8 129 ROACH 9700 20.2 14.5 139 22.5 17.5 129 ----- ----- Basin Index (%) 140 132 S. PLATTE BLACK MOUNTAIN 8920 12.2 -M * -M -M * CROW CREEK 8330 7.2 6.9 104 11.1 9.6 116 DEADMAN HILL 10220 23.8 14.6 163 22.3 15.6 143 ----- ----- Basin Index (%) 144 133 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 11.7 11.1 105 15.8 14.0 113 DIVIDE PEAK 8880 18.2 18.5 98 20.9 19.7 106 ELK RIVER 8700 20.9 17.7 118 20.7 18.5 112 LITTLE SNAKE RIVER 8915 30.0 21.7 138 32.7 27.3 120 OLD BATTLE 10000 32.2 27.8 116 34.7 32.4 107 SAGE CREEK BASIN 7850 12.8 12.0 107 11.5 13.3 86 SANDSTONE RS 8150 11.1 12.9 86 16.7 17.1 98 WHISKEY PARK 8950 39.4 24.7 160 37.2 25.8 144 ----- ----- Basin Index (%) 120 113 UPPER GREEN RIVER BIG SANDY OPENING 9080 15.2 12.0 127 14.2 12.2 116 BLIND BULL SUM 8650 35.0 21.2 165 22.5 18.2 124 EAST RIM DIVIDE 7930 16.8 9.7 173 14.8 11.0 135 ELKHART PARK G.S. 9400 17.1 11.4 150 16.0 12.3 130 GROS VENTRE SUMMIT 8750 -M 12.1 * 14.4 11.9 121 GUNSIGHT PASS 9820 19.7 12.7 155 18.1 12.6 144 KENDALL R.S. 7740 20.5 11.3 181 22.2 13.4 166 LOOMIS PARK 8240 23.8 14.1 169 23.6 16.1 147 NEW FORK LAKE 8340 15.5 9.8 158 13.3 10.1 132 POCKET CREEK 9360 12.3 -M * 12.2 -M * SNIDER BASIN 8060 19.5 11.4 171 18.8 13.1 144 SPRING CREEK DIVIDE 9000 34.1 22.1 154 31.3 22.2 141 TRIPLE PEAK 8500 33.8 20.4 166 35.5 23.5 151 ----- ----- Basin Index (%) 161 139 LOWER GREEN RIVER BLACKS FORK JCT 8870 8.1 -M * 12.2 -M * BUCK PASTURE 9700 13.8 -M * 15.1 -M * EF BLACKS FORK GS 9360 9.3 -M * 9.2 -M * HAMS FORK 7840 15.9 10.6 150 13.2 10.5 126 HEWINTA 9519 10.2 10.0 102 12.8 12.8 100 HICKERSON PARK 9145 7.0 6.9 101 8.3 9.2 90 HOLE-IN-ROCK 9150 6.2 6.9 90 8.5 8.6 99 INDIAN CREEK 9425 31.1 22.4 139 25.3 20.9 121 KELLEY R.S. 8180 18.1 14.2 127 20.0 16.8 119 SPIRIT LK 10235 8.9 -M * 12.3 -M * STEEL CREEK PARK 10200 17.1 14.0 122 14.8 14.8 100 ----- ----- Basin Index (%) 124 110 UPPER BEAR RIVER BEAR RIVER RS 8777 8.3 -M * 11.3 -M * BUG LAKE 7950 21.6 17.4 124 18.8 17.9 105 BURTS MILLER RANCH 8000 6.7 -M * 6.5 -M * CHALK CREEK #1 8993 20.7 22.3 93 20.7 23.1 90 HAYDEN FORK 9212 14.8 14.6 101 18.7 19.3 97 KELLEY R.S. 8180 18.1 14.2 127 20.0 16.8 119 LILY LAKE 9156 12.9 11.7 110 14.0 15.6 90 MONTE CRISTO 8960 25.3 25.2 100 23.3 24.0 97 SALT RIVER SUMMIT 7760 17.5 12.4 141 18.5 15.5 119 ----- ----- Basin Index (%) 111 101 ----------------------------------------------------------------------------- -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.