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: APRIL 8 , 2014 ------------------------------------------------------------------------------ BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Median Median Current Average Avg ------------------------------------------------------------------------------ WYOMING SNAKE RIVER BASE CAMP 7030 25.2 15.2 166 26.3 20.7 127 BLACK BEAR 8170 43.0 37.1 116 40.3 37.9 106 BLIND BULL SUM 8650 36.9 23.3 158 23.5 19.3 122 COTTONWOOD CREEK 7670 31.5 20.9 151 34.9 24.4 143 EAST RIM DIVIDE 7930 17.7 10.2 174 15.7 11.7 134 GRAND TARGHEE 9260 51.2 38.7 132 -M 30.7 * GRANITE CREEK 6770 24.3 14.3 170 24.3 19.5 125 GRASSY LAKE 7265 42.5 31.4 135 39.7 35.6 112 GROS VENTRE SUMMIT 8750 14.5 12.9 112 14.9 12.8 116 GUNSIGHT PASS 9820 20.7 13.9 149 19.1 13.8 138 LEWIS LAKE DIVIDE 7850 40.8 30.0 136 -M 35.1 * PHILLIPS BENCH 8200 35.7 25.5 140 34.7 27.9 124 SALT RIVER SUMMIT 7760 18.8 12.7 148 19.5 16.5 118 SNAKE RIVER STATION 6920 -M 14.8 * -M 22.2 * SPRING CREEK DIVIDE 9000 36.3 22.5 161 32.8 23.6 139 THUMB DIVIDE 7980 21.4 14.7 146 18.9 18.4 103 TOGWOTEE PASS 9580 32.9 22.2 148 33.1 24.1 137 TWO OCEAN PLATEAU 9240 40.6 26.2 155 -M 26.9 * WILLOW CREEK 8380 42.1 28.4 148 42.0 33.3 126 YOUNTS PEAK 8350 -M 14.4 * -M 15.6 * ----- ----- Basin Index (%) 144 124 MADISON-GALLATIN BLACK BEAR 8170 43.0 37.1 116 40.3 37.9 106 CANYON 7870 15.6 12.4 126 17.0 16.1 106 MADISON PLATEAU 7750 25.7 21.6 119 25.3 26.1 97 WEST YELLOWSTONE 6700 14.2 9.3 153 16.3 14.1 116 WHISKEY CREEK 6800 17.8 14.8 120 21.1 20.0 106 ----- ----- Basin Index (%) 122 105 YELLOWSTONE BEARTOOTH LAKE 9360 31.9 21.4 149 29.3 19.5 150 BURNT MTN 5880 11.5 4.3 267 19.7 12.9 153 CANYON 7870 15.6 12.4 126 17.0 16.1 106 COLE CREEK 7850 22.9 14.8 155 16.3 12.9 126 EVENING STAR 9200 39.6 23.8 166 40.7 27.1 150 FISHER CREEK 9100 44.3 31.3 142 37.4 31.3 119 NORTHEAST ENTRANCE 7350 15.8 8.9 178 16.0 12.1 132 PARKER PEAK 9400 32.5 19.6 166 28.8 17.5 165 SYLVAN LAKE 8420 25.6 19.4 132 29.0 22.0 132 THUMB DIVIDE 7980 21.4 14.7 146 18.9 18.4 103 TWO OCEAN PLATEAU 9240 40.6 26.2 155 -M 26.9 * WHITE MILL 8700 34.2 22.3 153 29.3 23.4 125 WOLVERINE 7650 15.5 9.6 161 17.1 12.1 141 ----- ----- Basin Index (%) 154 133 WIND RIVER BURROUGHS CREEK 8750 -M 13.0 * -M 15.7 * CASTLE CREEK 8400 10.5 -M * 12.6 -M * COLD SPRINGS 9630 9.7 6.6 147 13.6 9.9 137 DEER PARK 9700 17.7 15.8 112 19.7 19.9 99 HOBBS PARK 10100 16.2 14.2 114 14.4 13.5 107 KIRWIN 9550 19.3 9.6 201 17.9 11.5 156 LITTLE WARM 9370 15.0 10.3 146 17.4 12.8 136 OWL CREEK 8975 8.3 5.8 143 8.3 6.0 138 SOUTH PASS 9040 16.8 15.3 110 15.4 17.3 89 ST. LAWRENCE ALT 8620 5.3 6.9 77 9.3 9.0 103 TOGWOTEE PASS 9580 32.9 22.2 148 33.1 24.1 137 TOWNSEND CREEK 8700 8.4 9.7 87 9.8 12.0 82 ----- ----- Basin Index (%) 129 117 BIGHORN BASIN BALD MTN. 9380 26.3 19.2 137 20.6 16.8 123 BEAR TRAP MEADOW 8200 11.5 4.9 235 11.5 8.6 134 BONE SPRINGS DIV 9350 22.2 16.9 131 17.5 15.5 113 GRAVE SPRINGS 8550 13.6 9.5 143 13.3 10.7 124 KIRWIN 9550 19.3 9.6 201 17.9 11.5 156 MARQUETTE 8760 15.5 -M * 13.7 -M * MIDDLE POWDER 7760 18.3 12.1 151 14.6 11.7 125 OWL CREEK 8975 8.3 5.8 143 8.3 6.0 138 POWDER RIVER PASS 9480 15.8 10.2 155 17.1 12.6 136 SHELL CREEK 9580 20.0 15.2 132 17.2 13.7 126 TIMBER CREEK 7950 6.9 5.0 138 9.0 7.3 123 ----- ----- Basin Index (%) 150 128 SHOSHONE RIVER BLACKWATER 9780 32.9 22.7 145 29.6 20.3 146 EVENING STAR 9200 39.6 23.8 166 40.7 27.1 150 MARQUETTE 8760 15.5 -M * 13.7 -M * SYLVAN ROAD 7120 16.6 10.7 155 21.9 16.5 133 YOUNTS PEAK 8350 -M 14.4 * -M 15.6 * ----- ----- Basin Index (%) 156 144 POWDER RIVER BEAR TRAP MEADOW 8200 11.5 4.9 235 11.5 8.6 134 CLOUD PEAK RESERVOIR 9860 21.3 14.9 143 18.9 13.4 141 GRAVE SPRINGS 8550 13.6 9.5 143 13.3 10.7 124 HANSEN SAWMILL 8360 10.8 6.1 177 12.6 8.6 147 MIDDLE POWDER 7760 18.3 12.1 151 14.6 11.7 125 POWDER RIVER PASS 9480 15.8 10.2 155 17.1 12.6 136 SOLDIER PARK 8720 13.8 -M * 12.1 -M * ----- ----- Basin Index (%) 158 134 TONGUE RIVER BIG GOOSE 7990 13.1 9.7 135 15.2 11.5 132 BONE SPRINGS DIV 9350 22.2 16.9 131 17.5 15.5 113 BURGESS JUNCTION 7880 16.2 12.0 135 16.6 12.3 135 DOME LAKE 8880 16.6 11.8 141 15.3 13.6 112 LITTLE GOOSE 8870 14.9 -M * 17.5 -M * SUCKER CREEK 8880 18.7 12.3 152 20.0 14.4 139 TIE CREEK 6870 9.9 5.6 177 15.5 11.7 132 ----- ----- Basin Index (%) 142 127 BELLE FOURCHE COLE CANYON 5910 7.4 4.9 151 14.5 9.6 151 ----- ----- Basin Index (%) 151 151 CHEYENNE RIVER BASIN BLIND PARK 6890 9.6 6.9 139 16.9 11.9 142 NORTH RAPID CREEK 6130 9.5 6.4 148 15.3 10.0 153 ----- ----- Basin Index (%) 144 147 UPPER N. PLATTE ARAPAHO RIDGE 10960 28.5 21.0 136 27.8 22.6 123 BLACKHALL MTN 9820 39.5 -M * -M -M * COLUMBINE 9160 37.5 23.4 160 -M 25.5 * DIVIDE PEAK 8880 21.8 20.0 109 24.1 21.4 113 JOE WRIGHT 10120 24.4 21.4 114 32.6 25.8 126 LAPRELE CREEK 8375 10.6 9.4 113 11.8 12.5 94 MED BOW 10500 6.5 -M * 35.6 -M * NORTH FRENCH CREEK 10130 38.7 29.7 130 32.3 26.7 121 NEVER SUMMER 10280 25.7 20.4 126 19.6 -M * OLD BATTLE 10000 35.5 31.5 113 36.3 34.9 104 RAWAH 9020 14.9 10.6 141 17.9 14.4 124 SAGE CREEK BASIN 7850 14.1 11.6 122 13.5 14.6 92 SAND LAKE 10050 35.8 29.1 123 32.7 24.8 132 SOUTH BRUSH CREEK 8440 14.1 11.8 119 16.0 15.2 105 TOWER 10500 53.2 46.0 116 -M 39.8 * WEBBER SPRINGS 9250 27.9 23.1 121 29.8 26.7 112 WILLOW CREEK PASS 9540 15.2 12.2 125 15.2 13.4 113 ZIRKEL 9340 42.9 26.2 164 -M 28.5 * ----- ----- Basin Index (%) 127 115 SWEETWATER DEER PARK 9700 17.7 15.8 112 19.7 19.9 99 LARSEN CREEK 9000 14.2 11.5 123 16.1 -M * SOUTH PASS 9040 16.8 15.3 110 15.4 17.3 89 ----- ----- Basin Index (%) 114 94 LOWER N. PLATTE CASPER MTN. 7900 19.4 14.4 135 16.5 15.1 109 LAPRELE CREEK 8375 10.6 9.4 113 11.8 12.5 94 RENO HILL 8400 19.8 14.0 141 21.2 15.6 136 WINDY PEAK 7900 9.7 7.7 126 12.3 10.6 116 ----- ----- Basin Index (%) 131 115 LARAMIE RIVER BROOKLYN LAKE 10240 32.8 22.0 149 30.7 21.1 145 CINNABAR PARK 9574 25.5 21.3 120 30.6 24.1 127 CROW CREEK 8330 7.1 6.9 103 11.7 10.9 107 DEADMAN HILL 10220 26.1 16.2 161 23.7 17.3 137 RAWAH 9020 14.9 10.6 141 17.9 14.4 124 ROACH 9700 22.5 16.6 136 24.9 19.1 130 ----- ----- Basin Index (%) 138 130 S. PLATTE BLACK MOUNTAIN 8920 13.2 -M * -M -M * CROW CREEK 8330 7.1 6.9 103 11.7 10.9 107 DEADMAN HILL 10220 26.1 16.2 161 23.7 17.3 137 ----- ----- Basin Index (%) 144 126 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 12.6 9.3 135 18.6 15.0 124 DIVIDE PEAK 8880 21.8 20.0 109 24.1 21.4 113 ELK RIVER 8700 23.5 19.1 123 23.4 20.0 117 LITTLE SNAKE RIVER 8915 34.0 25.5 133 36.2 29.9 121 OLD BATTLE 10000 35.5 31.5 113 36.3 34.9 104 SAGE CREEK BASIN 7850 14.1 11.6 122 13.5 14.6 92 SANDSTONE RS 8150 13.9 12.8 109 19.1 18.3 104 WHISKEY PARK 8950 43.5 27.5 158 41.2 27.9 148 ----- ----- Basin Index (%) 126 117 UPPER GREEN RIVER BIG SANDY OPENING 9080 16.3 12.7 128 15.1 13.2 114 BLIND BULL SUM 8650 36.9 23.3 158 23.5 19.3 122 EAST RIM DIVIDE 7930 17.7 10.2 174 15.7 11.7 134 ELKHART PARK G.S. 9400 17.9 12.3 146 16.8 13.2 127 GROS VENTRE SUMMIT 8750 14.5 12.9 112 14.9 12.8 116 GUNSIGHT PASS 9820 20.7 13.9 149 19.1 13.8 138 KENDALL R.S. 7740 22.7 11.4 199 23.1 14.1 164 LOOMIS PARK 8240 25.5 13.8 185 24.8 17.2 144 NEW FORK LAKE 8340 16.4 10.3 159 13.6 10.7 127 POCKET CREEK 9360 12.9 -M * 12.8 -M * SNIDER BASIN 8060 20.4 12.3 166 19.6 14.1 139 SPRING CREEK DIVIDE 9000 36.3 22.5 161 32.8 23.6 139 TRIPLE PEAK 8500 34.7 21.8 159 37.5 25.1 149 ----- ----- Basin Index (%) 158 136 LOWER GREEN RIVER BLACKS FORK JCT 8870 9.4 -M * 13.8 -M * BUCK PASTURE 9700 16.2 -M * 17.4 -M * EF BLACKS FORK GS 9360 11.3 -M * 10.5 -M * HAMS FORK 7840 17.4 10.5 166 13.9 11.3 123 HEWINTA 9519 13.5 10.9 124 14.7 14.0 105 HICKERSON PARK 9145 8.5 7.9 108 9.4 10.2 92 HOLE-IN-ROCK 9150 6.8 7.0 97 9.9 9.7 102 INDIAN CREEK 9425 33.7 24.7 136 27.1 22.4 121 KELLEY R.S. 8180 19.5 14.6 134 21.3 18.0 118 SPIRIT LK 10235 11.0 -M * 14.4 -M * STEEL CREEK PARK 10200 19.5 15.8 123 17.0 16.5 103 ----- ----- Basin Index (%) 130 111 UPPER BEAR RIVER BEAR RIVER RS 8777 10.0 -M * 12.6 -M * BUG LAKE 7950 24.3 18.5 131 21.2 19.3 110 BURTS MILLER RANCH 8000 6.6 -M * 7.1 -M * CHALK CREEK #1 8993 23.5 24.4 96 23.1 25.1 92 HAYDEN FORK 9212 18.1 15.3 118 21.2 21.1 100 KELLEY R.S. 8180 19.5 14.6 134 21.3 18.0 118 LILY LAKE 9156 14.5 12.7 114 15.5 17.1 91 MONTE CRISTO 8960 29.0 27.8 104 26.2 25.8 102 SALT RIVER SUMMIT 7760 18.8 12.7 148 19.5 16.5 118 ----- ----- Basin Index (%) 117 104 ----------------------------------------------------------------------------- -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.