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 MONDAY: MARCH 10 , 2014 ------------------------------------------------------------------------------ BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Median Median Current Average Avg ------------------------------------------------------------------------------ WYOMING SNAKE RIVER BASE CAMP 7030 21.8 13.8 158 22.6 18.2 124 BLACK BEAR 8170 35.5 31.3 113 33.1 32.9 101 BLIND BULL SUM 8650 33.5 19.3 174 22.1 16.8 132 COTTONWOOD CREEK 7670 27.9 18.4 152 30.1 20.7 145 EAST RIM DIVIDE 7930 16.5 9.4 176 14.6 10.2 143 GRAND TARGHEE 9260 42.9 31.7 135 32.3 25.6 126 GRANITE CREEK 6770 -M 14.6 * -M 17.5 * GRASSY LAKE 7265 34.2 27.5 124 33.0 31.1 106 GROS VENTRE SUMMIT 8750 14.2 10.8 131 14.0 10.8 130 GUNSIGHT PASS 9820 18.9 11.5 164 17.5 11.6 151 LEWIS LAKE DIVIDE 7850 33.4 26.3 127 31.0 30.6 101 PHILLIPS BENCH 8200 31.1 21.1 147 27.8 24.1 115 SALT RIVER SUMMIT 7760 17.0 11.1 153 17.7 14.2 125 SNAKE RIVER STATION 6920 19.2 15.1 127 21.9 19.6 112 SPRING CREEK DIVIDE 9000 32.5 19.6 166 28.6 20.3 141 THUMB DIVIDE 7980 15.1 13.1 115 14.1 15.7 90 TOGWOTEE PASS 9580 28.8 19.4 148 25.0 20.6 121 TWO OCEAN PLATEAU 9240 34.5 22.9 151 -M 23.2 * WILLOW CREEK 8380 35.3 24.1 146 31.7 28.3 112 YOUNTS PEAK 8350 -M 12.3 * -M 13.4 * ----- ----- Basin Index (%) 142 119 MADISON-GALLATIN BLACK BEAR 8170 35.5 31.3 113 33.1 32.9 101 CANYON 7870 12.5 11.4 110 14.4 13.9 104 MADISON PLATEAU 7750 20.2 19.2 105 20.3 22.7 89 WEST YELLOWSTONE 6700 11.8 9.6 123 13.0 12.4 105 WHISKEY CREEK 6800 14.8 13.1 113 17.0 17.3 98 ----- ----- Basin Index (%) 112 99 YELLOWSTONE BEARTOOTH LAKE 9360 27.1 18.2 149 24.7 16.8 147 BURNT MTN 5880 7.5 4.4 170 15.0 10.2 147 CANYON 7870 12.5 11.4 110 14.4 13.9 104 COLE CREEK 7850 15.2 11.1 137 11.1 9.8 113 EVENING STAR 9200 34.3 20.8 165 33.6 23.3 144 FISHER CREEK 9100 37.7 26.9 140 33.1 27.0 123 NORTHEAST ENTRANCE 7350 13.4 8.6 156 13.4 10.5 128 PARKER PEAK 9400 26.6 16.6 160 21.5 14.9 144 SYLVAN LAKE 8420 20.6 16.9 122 23.5 19.0 124 THUMB DIVIDE 7980 15.1 13.1 115 14.1 15.7 90 TWO OCEAN PLATEAU 9240 34.5 22.9 151 -M 23.2 * WHITE MILL 8700 29.3 19.1 153 25.1 20.2 124 WOLVERINE 7650 15.1 9.0 168 14.8 10.5 141 ----- ----- Basin Index (%) 145 127 WIND RIVER BURROUGHS CREEK 8750 -M 11.4 * -M 13.5 * CASTLE CREEK 8400 10.2 -M * 11.9 -M * COLD SPRINGS 9630 9.8 5.9 166 12.1 8.0 151 DEER PARK 9700 14.4 12.0 120 16.7 16.2 103 HOBBS PARK 10100 12.4 10.9 114 11.0 10.3 107 KIRWIN 9550 16.8 7.7 218 15.4 9.4 164 LITTLE WARM 9370 13.6 8.6 158 15.8 10.5 150 OWL CREEK 8975 6.4 4.3 149 6.4 4.6 139 SOUTH PASS 9040 14.4 12.5 115 13.3 14.4 92 ST. LAWRENCE ALT 8620 4.0 5.8 69 7.4 7.0 106 TOGWOTEE PASS 9580 28.8 19.4 148 25.0 20.6 121 TOWNSEND CREEK 8700 6.1 7.4 82 7.0 9.3 75 ----- ----- Basin Index (%) 134 118 BIGHORN BASIN BALD MTN. 9380 20.5 15.9 129 16.0 13.9 115 BEAR TRAP MEADOW 8200 9.1 4.6 198 9.0 6.5 138 BONE SPRINGS DIV 9350 17.7 13.3 133 13.9 12.5 111 GRAVE SPRINGS 8550 9.8 7.4 132 10.0 8.3 120 KIRWIN 9550 16.8 7.7 218 15.4 9.4 164 MARQUETTE 8760 10.4 -M * 10.3 -M * MIDDLE POWDER 7760 13.2 8.8 150 10.9 9.2 118 OWL CREEK 8975 6.4 4.3 149 6.4 4.6 139 POWDER RIVER PASS 9480 13.2 8.4 157 14.1 10.1 140 SHELL CREEK 9580 16.1 12.2 132 13.7 11.1 123 TIMBER CREEK 7950 5.4 4.0 135 7.0 5.6 125 ----- ----- Basin Index (%) 148 128 SHOSHONE RIVER BLACKWATER 9780 28.1 19.0 148 25.0 17.2 145 EVENING STAR 9200 34.3 20.8 165 33.6 23.3 144 MARQUETTE 8760 10.4 -M * 10.3 -M * SYLVAN ROAD 7120 14.2 10.0 142 18.6 14.6 127 YOUNTS PEAK 8350 -M 12.3 * -M 13.4 * ----- ----- Basin Index (%) 154 140 POWDER RIVER BEAR TRAP MEADOW 8200 9.1 4.6 198 9.0 6.5 138 CLOUD PEAK RESERVOIR 9860 16.3 11.7 139 14.2 10.3 138 GRAVE SPRINGS 8550 9.8 7.4 132 10.0 8.3 120 HANSEN SAWMILL 8360 8.1 5.1 159 10.3 6.5 158 MIDDLE POWDER 7760 13.2 8.8 150 10.9 9.2 118 POWDER RIVER PASS 9480 13.2 8.4 157 14.1 10.1 140 SOLDIER PARK 8720 10.4 -M * 9.2 -M * ----- ----- Basin Index (%) 152 135 TONGUE RIVER BIG GOOSE 7990 8.8 6.8 129 10.8 8.4 129 BONE SPRINGS DIV 9350 17.7 13.3 133 13.9 12.5 111 BURGESS JUNCTION 7880 11.5 9.2 125 12.6 9.6 131 DOME LAKE 8880 11.7 9.3 126 10.8 10.6 102 LITTLE GOOSE 8870 10.0 -M * 12.7 -M * SUCKER CREEK 8880 13.4 10.0 134 15.0 11.3 133 TIE CREEK 6870 6.5 4.7 138 11.6 9.0 129 ----- ----- Basin Index (%) 131 122 BELLE FOURCHE COLE CANYON 5910 6.3 5.0 126 12.4 7.4 168 ----- ----- Basin Index (%) 126 168 CHEYENNE RIVER BASIN BLIND PARK 6890 8.2 6.7 122 15.0 9.9 152 NORTH RAPID CREEK 6130 8.3 6.2 134 13.7 8.1 169 ----- ----- Basin Index (%) 128 159 UPPER N. PLATTE ARAPAHO RIDGE 10960 24.3 17.6 138 23.8 18.7 127 BLACKHALL MTN 9820 32.3 -M * 27.8 -M * COLUMBINE 9160 31.0 21.0 148 -M 21.6 * DIVIDE PEAK 8880 16.2 16.9 96 19.4 17.9 108 JOE WRIGHT 10120 18.3 18.3 100 27.6 21.3 130 LAPRELE CREEK 8375 7.5 8.4 89 8.8 10.0 88 MED BOW 10500 13.3 -M * 28.6 -M * NORTH FRENCH CREEK 10130 -M 22.8 * -M 22.3 * NEVER SUMMER 10280 21.7 16.9 128 16.6 -M * OLD BATTLE 10000 29.1 25.4 115 32.4 29.6 109 RAWAH 9020 12.4 9.2 135 14.9 11.5 130 SAGE CREEK BASIN 7850 10.2 11.5 89 10.8 12.3 88 SAND LAKE 10050 27.7 22.4 124 26.7 20.2 132 SOUTH BRUSH CREEK 8440 10.4 11.1 94 12.5 12.5 100 TOWER 10500 46.1 38.0 121 -M 33.8 * WEBBER SPRINGS 9250 22.6 20.1 112 24.7 22.4 110 WILLOW CREEK PASS 9540 12.9 10.3 125 13.3 10.9 122 ZIRKEL 9340 38.0 25.2 151 15.4 24.5 63 ----- ----- Basin Index (%) 121 109 SWEETWATER DEER PARK 9700 14.4 12.0 120 16.7 16.2 103 LARSEN CREEK 9000 12.9 10.3 125 14.7 -M * SOUTH PASS 9040 14.4 12.5 115 13.3 14.4 92 ----- ----- Basin Index (%) 120 98 LOWER N. PLATTE CASPER MTN. 7900 -M 11.4 * -M 11.8 * LAPRELE CREEK 8375 7.5 8.4 89 8.8 10.0 88 RENO HILL 8400 13.5 11.2 121 15.8 12.0 132 WINDY PEAK 7900 7.1 6.5 109 9.5 8.4 113 ----- ----- Basin Index (%) 108 112 LARAMIE RIVER BROOKLYN LAKE 10240 27.1 16.7 162 26.4 17.3 153 CINNABAR PARK 9574 20.6 17.8 116 20.4 20.6 99 CROW CREEK 8330 6.6 7.1 93 10.1 8.4 120 DEADMAN HILL 10220 21.3 12.9 165 20.0 13.8 145 RAWAH 9020 12.4 9.2 135 14.9 11.5 130 ROACH 9700 -M 13.3 * -M 15.8 * ----- ----- Basin Index (%) 138 128 S. PLATTE BLACK MOUNTAIN 8920 10.5 -M * 11.6 -M * CROW CREEK 8330 6.6 7.1 93 10.1 8.4 120 DEADMAN HILL 10220 21.3 12.9 165 20.0 13.8 145 ----- ----- Basin Index (%) 140 136 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 10.9 10.5 104 15.0 12.8 117 DIVIDE PEAK 8880 16.2 16.9 96 19.4 17.9 108 ELK RIVER 8700 19.5 16.8 116 19.7 17.0 116 LITTLE SNAKE RIVER 8915 26.7 20.3 132 30.7 25.8 119 OLD BATTLE 10000 29.1 25.4 115 32.4 29.6 109 SAGE CREEK BASIN 7850 10.2 11.5 89 10.8 12.3 88 SANDSTONE RS 8150 10.7 11.8 91 15.7 15.9 99 WHISKEY PARK 8950 34.8 23.2 150 34.7 23.8 146 ----- ----- Basin Index (%) 116 115 UPPER GREEN RIVER BIG SANDY OPENING 9080 14.8 10.7 138 13.9 11.1 125 BLIND BULL SUM 8650 33.5 19.3 174 22.1 16.8 132 EAST RIM DIVIDE 7930 16.5 9.4 176 14.6 10.2 143 ELKHART PARK G.S. 9400 16.7 10.0 167 15.8 11.1 142 GROS VENTRE SUMMIT 8750 14.2 10.8 131 14.0 10.8 130 GUNSIGHT PASS 9820 18.9 11.5 164 17.5 11.6 151 KENDALL R.S. 7740 21.7 10.5 207 -M 12.5 * LOOMIS PARK 8240 23.2 12.6 184 22.5 14.9 151 NEW FORK LAKE 8340 15.5 9.0 172 13.1 9.3 141 POCKET CREEK 9360 12.3 -M * 12.1 -M * SNIDER BASIN 8060 18.6 10.6 175 18.3 12.1 151 SPRING CREEK DIVIDE 9000 32.5 19.6 166 28.6 20.3 141 TRIPLE PEAK 8500 32.4 18.5 175 33.7 21.5 157 ----- ----- Basin Index (%) 170 143 LOWER GREEN RIVER BLACKS FORK JCT 8870 7.5 -M * 11.3 -M * BUCK PASTURE 9700 12.4 -M * 13.9 -M * EF BLACKS FORK GS 9360 8.6 -M * 10.0 -M * HAMS FORK 7840 14.7 9.9 148 12.8 9.6 133 HEWINTA 9519 9.3 8.6 108 11.9 11.5 103 HICKERSON PARK 9145 6.4 6.4 100 7.7 8.1 95 HOLE-IN-ROCK 9150 5.8 6.0 97 7.7 7.6 101 INDIAN CREEK 9425 29.3 20.2 145 24.5 18.9 130 KELLEY R.S. 8180 17.5 12.6 139 19.1 15.4 124 SPIRIT LK 10235 7.9 -M * 11.2 -M * STEEL CREEK PARK 10200 15.8 12.5 126 13.7 13.2 104 ----- ----- Basin Index (%) 130 116 UPPER BEAR RIVER BEAR RIVER RS 8777 9.0 -M * 10.6 -M * BUG LAKE 7950 20.5 16.0 128 18.0 16.3 110 BURTS MILLER RANCH 8000 6.6 -M * 6.1 -M * CHALK CREEK #1 8993 19.6 19.8 99 19.6 20.7 95 HAYDEN FORK 9212 13.9 13.2 105 17.7 17.4 102 KELLEY R.S. 8180 17.5 12.6 139 19.1 15.4 124 LILY LAKE 9156 12.0 11.0 109 13.2 14.0 94 MONTE CRISTO 8960 23.9 22.8 105 22.1 21.7 102 SALT RIVER SUMMIT 7760 17.0 11.1 153 17.7 14.2 125 ----- ----- Basin Index (%) 117 106 ----------------------------------------------------------------------------- -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.