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: MARCH 25 , 2014 ------------------------------------------------------------------------------ BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Median Median Current Average Avg ------------------------------------------------------------------------------ WYOMING SNAKE RIVER BASE CAMP 7030 23.1 14.6 158 24.0 19.4 124 BLACK BEAR 8170 37.5 33.9 111 34.6 35.3 98 BLIND BULL SUM 8650 34.7 21.1 164 22.4 18.1 124 COTTONWOOD CREEK 7670 29.5 20.5 144 32.2 22.7 142 EAST RIM DIVIDE 7930 16.9 9.7 174 14.8 10.9 136 GRAND TARGHEE 9260 46.2 33.9 136 34.8 27.7 126 GRANITE CREEK 6770 23.2 14.8 157 23.2 18.5 125 GRASSY LAKE 7265 36.7 30.3 121 34.9 33.4 104 GROS VENTRE SUMMIT 8750 14.5 12.0 121 14.4 11.8 122 GUNSIGHT PASS 9820 19.6 12.5 157 18.0 12.5 144 LEWIS LAKE DIVIDE 7850 34.0 28.6 119 -M 32.9 * PHILLIPS BENCH 8200 33.0 23.1 143 32.1 25.9 124 SALT RIVER SUMMIT 7760 17.4 12.3 141 18.4 15.4 119 SNAKE RIVER STATION 6920 -M 15.6 * -M 20.9 * SPRING CREEK DIVIDE 9000 34.0 21.9 155 31.3 22.0 142 THUMB DIVIDE 7980 16.3 14.8 110 15.0 16.9 89 TOGWOTEE PASS 9580 30.1 21.1 143 -M 22.3 * TWO OCEAN PLATEAU 9240 36.7 24.6 149 -M 25.1 * WILLOW CREEK 8380 38.7 25.5 152 38.4 30.7 125 YOUNTS PEAK 8350 -M 13.7 * -M 14.5 * ----- ----- Basin Index (%) 139 121 MADISON-GALLATIN BLACK BEAR 8170 37.5 33.9 111 34.6 35.3 98 CANYON 7870 13.4 12.0 112 15.0 14.9 101 MADISON PLATEAU 7750 21.5 20.6 104 21.7 24.2 90 WEST YELLOWSTONE 6700 12.7 10.0 127 13.9 12.9 108 WHISKEY CREEK 6800 15.5 14.4 108 18.2 18.6 98 ----- ----- Basin Index (%) 111 98 YELLOWSTONE BEARTOOTH LAKE 9360 30.2 20.1 150 26.6 18.1 147 BURNT MTN 5880 9.5 4.8 198 16.9 11.2 151 CANYON 7870 13.4 12.0 112 15.0 14.9 101 COLE CREEK 7850 18.9 12.5 151 13.3 11.2 119 EVENING STAR 9200 35.8 23.1 155 35.1 25.0 140 FISHER CREEK 9100 39.9 28.6 140 35.1 29.3 120 NORTHEAST ENTRANCE 7350 14.2 9.5 149 14.2 11.2 127 PARKER PEAK 9400 28.4 18.0 158 22.2 16.1 138 SYLVAN LAKE 8420 21.8 18.6 117 24.8 20.4 122 THUMB DIVIDE 7980 16.3 14.8 110 15.0 16.9 89 TWO OCEAN PLATEAU 9240 36.7 24.6 149 -M 25.1 * WHITE MILL 8700 30.9 20.8 149 26.5 21.8 122 WOLVERINE 7650 14.2 8.9 160 15.4 11.2 138 ----- ----- Basin Index (%) 143 125 WIND RIVER BURROUGHS CREEK 8750 -M 12.7 * -M 14.6 * CASTLE CREEK 8400 10.3 -M * 12.1 -M * COLD SPRINGS 9630 9.3 6.7 139 12.9 8.8 147 DEER PARK 9700 15.8 14.1 112 18.0 17.6 102 HOBBS PARK 10100 14.4 12.5 115 12.7 11.5 110 KIRWIN 9550 17.9 8.7 206 16.4 10.3 159 LITTLE WARM 9370 14.0 9.7 144 16.3 11.5 142 OWL CREEK 8975 7.1 4.7 151 7.0 5.2 135 SOUTH PASS 9040 15.7 14.4 109 14.6 15.8 92 ST. LAWRENCE ALT 8620 4.5 6.4 70 8.1 7.8 104 TOGWOTEE PASS 9580 30.1 21.1 143 -M 22.3 * TOWNSEND CREEK 8700 7.5 8.6 87 8.5 10.4 82 ----- ----- Basin Index (%) 128 116 BIGHORN BASIN BALD MTN. 9380 23.1 16.8 138 17.6 15.3 115 BEAR TRAP MEADOW 8200 10.1 5.2 194 10.1 7.4 136 BONE SPRINGS DIV 9350 19.5 14.3 136 15.2 13.8 110 GRAVE SPRINGS 8550 11.5 8.3 139 11.4 9.3 123 KIRWIN 9550 17.9 8.7 206 16.4 10.3 159 MARQUETTE 8760 13.0 -M * 11.7 -M * MIDDLE POWDER 7760 15.3 10.4 147 12.4 10.4 119 OWL CREEK 8975 7.1 4.7 151 7.0 5.2 135 POWDER RIVER PASS 9480 14.7 9.5 155 15.5 11.3 137 SHELL CREEK 9580 18.0 13.3 135 15.4 12.3 125 TIMBER CREEK 7950 6.2 4.2 148 7.8 6.4 122 ----- ----- Basin Index (%) 150 127 SHOSHONE RIVER BLACKWATER 9780 29.6 21.1 140 26.6 18.6 143 EVENING STAR 9200 35.8 23.1 155 35.1 25.0 140 MARQUETTE 8760 13.0 -M * 11.7 -M * SYLVAN ROAD 7120 14.7 10.7 137 19.2 15.5 124 YOUNTS PEAK 8350 -M 13.7 * -M 14.5 * ----- ----- Basin Index (%) 146 137 POWDER RIVER BEAR TRAP MEADOW 8200 10.1 5.2 194 10.1 7.4 136 CLOUD PEAK RESERVOIR 9860 19.6 13.4 146 17.1 11.7 146 GRAVE SPRINGS 8550 11.5 8.3 139 11.4 9.3 123 HANSEN SAWMILL 8360 9.1 6.0 152 11.2 7.5 149 MIDDLE POWDER 7760 15.3 10.4 147 12.4 10.4 119 POWDER RIVER PASS 9480 14.7 9.5 155 15.5 11.3 137 SOLDIER PARK 8720 12.1 -M * 10.6 -M * ----- ----- Basin Index (%) 152 135 TONGUE RIVER BIG GOOSE 7990 11.5 8.1 142 13.6 9.6 142 BONE SPRINGS DIV 9350 19.5 14.3 136 15.2 13.8 110 BURGESS JUNCTION 7880 14.2 10.1 141 14.9 10.8 138 DOME LAKE 8880 14.4 10.7 135 13.2 12.0 110 LITTLE GOOSE 8870 13.1 -M * 15.6 -M * SUCKER CREEK 8880 16.7 11.1 150 17.8 12.7 140 TIE CREEK 6870 8.8 5.2 169 13.9 10.0 139 ----- ----- Basin Index (%) 143 129 BELLE FOURCHE COLE CANYON 5910 7.4 5.7 130 13.6 8.2 166 ----- ----- Basin Index (%) 130 166 CHEYENNE RIVER BASIN BLIND PARK 6890 8.7 7.0 124 15.9 10.7 149 NORTH RAPID CREEK 6130 9.2 6.7 137 14.5 8.8 165 ----- ----- Basin Index (%) 131 156 UPPER N. PLATTE ARAPAHO RIDGE 10960 25.3 18.5 137 25.1 20.2 124 BLACKHALL MTN 9820 35.2 -M * 28.0 -M * COLUMBINE 9160 33.2 22.0 151 -M 23.5 * DIVIDE PEAK 8880 18.1 18.3 99 20.8 19.6 106 JOE WRIGHT 10120 21.4 19.4 110 29.8 23.5 127 LAPRELE CREEK 8375 9.1 9.4 97 10.6 11.2 95 MED BOW 10500 8.0 -M * 34.3 -M * NORTH FRENCH CREEK 10130 33.1 26.6 124 32.3 24.5 132 NEVER SUMMER 10280 23.4 18.5 126 17.2 -M * OLD BATTLE 10000 31.5 27.6 114 34.6 32.2 107 RAWAH 9020 14.3 9.8 146 16.5 12.7 130 SAGE CREEK BASIN 7850 12.3 11.9 103 11.5 13.2 87 SAND LAKE 10050 31.7 25.7 123 30.5 22.4 136 SOUTH BRUSH CREEK 8440 12.0 11.6 103 13.9 13.8 101 TOWER 10500 48.0 41.3 116 -M 36.7 * WEBBER SPRINGS 9250 24.9 21.8 114 26.8 24.5 109 WILLOW CREEK PASS 9540 14.0 11.2 125 14.0 12.0 117 ZIRKEL 9340 39.4 25.6 154 -M 26.1 * ----- ----- Basin Index (%) 123 116 SWEETWATER DEER PARK 9700 15.8 14.1 112 18.0 17.6 102 LARSEN CREEK 9000 13.1 11.6 113 15.1 -M * SOUTH PASS 9040 15.7 14.4 109 14.6 15.8 92 ----- ----- Basin Index (%) 111 98 LOWER N. PLATTE CASPER MTN. 7900 17.4 12.7 137 15.0 13.3 113 LAPRELE CREEK 8375 9.1 9.4 97 10.6 11.2 95 RENO HILL 8400 17.1 12.4 138 19.0 13.6 140 WINDY PEAK 7900 8.9 7.5 119 11.4 9.4 121 ----- ----- Basin Index (%) 125 118 LARAMIE RIVER BROOKLYN LAKE 10240 29.7 18.3 162 26.9 19.1 141 CINNABAR PARK 9574 22.2 19.2 116 27.8 22.0 126 CROW CREEK 8330 7.1 6.9 103 11.1 9.6 116 DEADMAN HILL 10220 23.7 14.4 165 22.4 15.5 145 RAWAH 9020 14.3 9.8 146 16.5 12.7 130 ROACH 9700 19.9 14.4 138 22.4 17.4 129 ----- ----- Basin Index (%) 141 132 S. PLATTE BLACK MOUNTAIN 8920 12.1 -M * -M -M * CROW CREEK 8330 7.1 6.9 103 11.1 9.6 116 DEADMAN HILL 10220 23.7 14.4 165 22.4 15.5 145 ----- ----- Basin Index (%) 145 133 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 12.5 11.2 112 15.8 13.9 114 DIVIDE PEAK 8880 18.1 18.3 99 20.8 19.6 106 ELK RIVER 8700 21.2 17.6 120 20.7 18.4 112 LITTLE SNAKE RIVER 8915 29.8 21.6 138 32.7 27.1 121 OLD BATTLE 10000 31.5 27.6 114 34.6 32.2 107 SAGE CREEK BASIN 7850 12.3 11.9 103 11.5 13.2 87 SANDSTONE RS 8150 11.3 12.9 88 16.7 17.1 98 WHISKEY PARK 8950 38.5 24.6 157 36.7 25.7 143 ----- ----- Basin Index (%) 120 113 UPPER GREEN RIVER BIG SANDY OPENING 9080 15.1 11.9 127 14.2 12.1 117 BLIND BULL SUM 8650 34.7 21.1 164 22.4 18.1 124 EAST RIM DIVIDE 7930 16.9 9.7 174 14.8 10.9 136 ELKHART PARK G.S. 9400 16.9 11.2 151 15.9 12.2 130 GROS VENTRE SUMMIT 8750 14.5 12.0 121 14.4 11.8 122 GUNSIGHT PASS 9820 19.6 12.5 157 18.0 12.5 144 KENDALL R.S. 7740 -M 11.4 * 22.2 13.2 168 LOOMIS PARK 8240 23.9 14.0 171 23.5 16.0 147 NEW FORK LAKE 8340 15.5 9.7 160 13.3 10.0 133 POCKET CREEK 9360 12.3 -M * 12.2 -M * SNIDER BASIN 8060 19.5 11.3 173 18.8 13.1 144 SPRING CREEK DIVIDE 9000 34.0 21.9 155 31.3 22.0 142 TRIPLE PEAK 8500 34.1 20.3 168 35.4 23.4 151 ----- ----- Basin Index (%) 157 139 LOWER GREEN RIVER BLACKS FORK JCT 8870 8.1 -M * 12.2 -M * BUCK PASTURE 9700 14.1 -M * 15.2 -M * EF BLACKS FORK GS 9360 9.3 -M * 9.3 -M * HAMS FORK 7840 15.9 10.5 151 13.2 10.5 126 HEWINTA 9519 10.4 9.9 105 12.7 12.7 100 HICKERSON PARK 9145 7.8 6.9 113 8.3 9.2 90 HOLE-IN-ROCK 9150 6.2 6.9 90 8.4 8.6 98 INDIAN CREEK 9425 31.2 22.2 141 25.2 20.7 122 KELLEY R.S. 8180 18.0 14.1 128 19.9 16.7 119 SPIRIT LK 10235 9.2 -M * 12.2 -M * STEEL CREEK PARK 10200 17.0 13.8 123 14.8 14.7 101 ----- ----- Basin Index (%) 126 110 UPPER BEAR RIVER BEAR RIVER RS 8777 9.0 -M * 11.3 -M * BUG LAKE 7950 21.6 17.3 125 18.7 17.8 105 BURTS MILLER RANCH 8000 7.0 -M * 6.4 -M * CHALK CREEK #1 8993 20.9 22.1 95 20.7 22.9 90 HAYDEN FORK 9212 15.3 14.5 106 18.7 19.1 98 KELLEY R.S. 8180 18.0 14.1 128 19.9 16.7 119 LILY LAKE 9156 13.2 11.6 114 14.0 15.5 90 MONTE CRISTO 8960 25.7 25.1 102 23.3 23.7 98 SALT RIVER SUMMIT 7760 17.4 12.3 141 18.4 15.4 119 ----- ----- Basin Index (%) 113 102 ----------------------------------------------------------------------------- -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.