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 5 , 1997 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 27.4 16.0 171 27.6 20.4 135 COTTONWOOD CREEK 7600 27.9 19.4 144 28.3 22.7 125 GRANITE CREEK 6770 27.6 15.9 174 22.3 21.5 104 GRASSY LAKE 7265 42.2 30.6 138 38.6 33.2 116 GROS VENTRE SUMMIT 8775 20.1 13.3 151 18.8 14.5 130 LEWIS LAKE DIVIDE 7860 49.8 30.4 164 -M 33.7 * PHILLIPS BENCH 8200 38.0 25.0 152 41.9 26.7 157 SALT RIVER SUMMIT 7600 20.7 12.4 167 22.2 15.4 144 SNAKE RIVER STATION 6920 26.6 16.6 160 33.6 23.3 144 SPRING CREEK DIVIDE 9000 32.9 24.0 137 -M 24.6 * THUMB DIVIDE 7980 29.7 14.7 202 -M 19.1 * TOGWOTEE PASS 9580 31.6 21.4 148 -M 25.3 * TWO OCEAN PLATEAU 9360 40.2 22.9 176 -M 28.2 * WILLOW CREEK 8450 34.1 26.5 129 37.0 29.2 127 ----- ----- Basin wide percent of average 155 131 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 32.2 20.4 158 -M 15.5 * BLACK BEAR 7950 -M 32.7 * -M 34.7 * CANYON 7940 22.3 11.0 203 23.8 12.4 192 FISHER CREEK 9100 50.8 31.1 163 -M 31.5 * MADISON PLATEAU 7750 38.8 21.2 183 34.8 22.4 155 NORTHEAST ENTRANCE 7350 11.5 8.3 139 17.8 10.4 171 PARKER PEAK 9400 28.9 18.6 155 -M 13.4 * SYLVAN LAKE 8420 28.9 19.0 152 -M 16.7 * THUMB DIVIDE 7980 29.7 14.7 202 -M 19.1 * TWO OCEAN PLATEAU 9360 40.2 22.9 176 -M 28.2 * WHISKEY CREEK 6800 24.0 14.9 161 -M 18.5 * WHITE MILL 8700 34.7 21.9 158 -M 24.4 * WOLVERINE 7650 15.0 10.4 144 14.3 11.2 128 ----- ----- Basin wide percent of average 167 161* WIND RIVER BURROUGHS CREEK 8750 22.2 13.4 166 -M 14.3 * CHRISTINA LAKE 9980 18.7 13.1 143 19.5 13.8 141 COLD SPRINGS 9630 9.7 7.2 135 10.8 8.7 124 HOBBS PARK 10100 15.6 12.5 125 12.6 11.6 109 LITTLE WARM 9620 15.1 9.5 159 16.9 11.1 152 SOUTH PASS 9040 24.6 14.3 172 23.1 14.2 163 ST. LAWRENCE ALT 8620 8.5 6.4 133 9.8 8.3 118 TOGWOTEE PASS 9580 31.6 21.4 148 -M 25.3 * TOWNSEND CREEK 8700 9.4 8.3 113 10.7 10.1 106 ----- ----- Basin wide percent of average 146 133 BIGHORN BASIN BALD MTN. 9375 19.8 17.5 113 16.4 14.5 113 BEAR TRAP MEADOW 7900 7.1 6.1 116 7.2 6.5 111 BLACKWATER 9780 33.7 18.6 181 25.5 15.6 163 BONE SPRINGS DIV 9350 16.5 13.8 120 14.6 12.1 121 EVENING STAR 9200 37.5 23.2 162 -M 19.5 * GRAVE SPRINGS 8550 10.3 -M * 9.8 7.7 127 KIRWIN 9550 13.3 8.4 158 14.7 8.9 165 LOST CREEK 8080 13.7 11.1 123 13.6 9.6 142 MARQUETTE 8760 9.6 6.7 143 9.9 7.4 134 MIDDLE POWDER 7760 13.7 10.0 137 12.5 9.5 132 OWL CREEK 8975 7.2 3.8 189 5.9 5.1 116 POWDER RIVER PASS 9480 12.6 9.1 138 11.9 9.7 123 SHELL CREEK 9580 15.8 12.9 122 13.0 10.9 119 SYLVAN LAKE 8420 28.9 19.0 152 -M 16.7 * SYLVAN ROAD 8120 19.2 11.5 167 25.1 13.9 181 TIMBER CREEK 7950 6.5 5.1 127 7.2 5.3 136 YOUNTS PEAK 8350 21.3 15.1 141 -M 14.3 * ----- ----- Basin wide percent of average 144 137 SHOSHONE RIVER BLACKWATER 9780 33.7 18.6 181 25.5 15.6 163 EVENING STAR 9200 37.5 23.2 162 -M 19.5 * KIRWIN 9550 13.3 8.4 158 14.7 8.9 165 MARQUETTE 8760 9.6 6.7 143 9.9 7.4 134 SYLVAN LAKE 8420 28.9 19.0 152 -M 16.7 * SYLVAN ROAD 8120 19.2 11.5 167 25.1 13.9 181 YOUNTS PEAK 8350 21.3 15.1 141 -M 14.3 * ----- ----- Basin wide percent of average 160 164 POWDER-TONGUE BEAR TRAP MEADOW 7900 7.1 6.1 116 7.2 6.5 111 BONE SPRINGS DIV 9350 16.5 13.8 120 14.6 12.1 121 BURGESS JUNCTION 7880 11.0 10.0 110 11.0 9.0 122 CLOUD PEAK RESERVOIR 9860 15.6 11.6 134 12.9 10.7 121 DOME LAKE 8880 10.7 11.6 92 12.2 10.8 113 GRAVE SPRINGS 8550 10.3 -M * 9.8 7.7 127 HANSEN SAWMILL 8760 6.7 5.9 114 7.1 6.2 115 LOST CREEK 8080 13.7 11.1 123 13.6 9.6 142 MIDDLE POWDER 7760 13.7 10.0 137 12.5 9.5 132 POWDER RIVER PASS 9480 12.6 9.1 138 11.9 9.7 123 SUCKER CREEK 8880 12.5 10.0 125 12.3 10.8 114 TIE CREEK 6870 7.6 -M * 10.1 8.6 117 ----- ----- Basin wide percent of average 121 122 BELLE FOURCHE BLIND PARK 6890 9.8 9.4 104 13.8 7.9 175 NORTH RAPID CREEK 6130 9.9 -M * 12.3 -M * WARREN PEAK 6520 16.3 9.4 173 -M 6.4 * ----- ----- Basin wide percent of average 139 175* UPPER N. PLATTE RIVER COLUMBINE 9400 28.2 21.7 130 26.8 21.0 128 DIVIDE PEAK 8800 23.2 17.3 134 22.1 19.2 115 ELK RIVER 8700 26.6 17.2 155 22.9 16.0 143 JOE WRIGHT 10120 21.3 18.0 118 26.3 20.8 126 NORTH FRENCH CREEK 10100 31.7 21.1 150 25.8 19.5 132 OLD BATTLE 10000 33.9 26.9 126 32.2 25.2 128 SOUTH BRUSH CREEK 8400 13.6 9.9 137 15.8 13.3 119 TOWER 10500 51.3 38.4 134 36.3 30.8 118 WEBBER SPRINGS 9200 29.2 23.0 127 33.0 21.3 155 WILLOW CREEK PASS 9540 16.5 9.6 172 13.0 10.2 127 ----- ----- Basin wide percent of average 136 129 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 30.7 20.7 148 23.8 16.0 149 CASPER MTN. 7900 18.9 12.8 148 17.6 11.2 157 CHRISTINA LAKE 9980 18.7 13.1 143 19.5 13.8 141 DEADMAN HILL 10220 14.2 13.9 102 16.1 13.5 119 LAPRELE CREEK 8320 13.6 8.7 156 13.1 9.4 139 RENO HILL 8400 19.6 11.2 175 16.9 15.2 111 ROACH 9700 19.8 14.5 137 20.2 17.8 113 SAND LAKE 10080 32.9 27.7 119 25.7 17.0 151 SOUTH PASS 9040 24.6 14.3 172 23.1 14.2 163 WINDY PEAK 7840 9.4 6.6 142 10.4 7.4 141 ----- ----- Basin wide percent of average 141 138 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 16.6 10.2 163 16.9 12.9 131 DIVIDE PEAK 8800 23.2 17.3 134 22.1 19.2 115 OLD BATTLE 10000 33.9 26.9 126 32.2 25.2 128 SANDSTONE RS 8150 19.5 12.6 155 21.0 15.8 133 WHISKEY PARK 8950 35.7 24.4 146 30.3 23.2 131 ----- ----- Basin wide percent of average 141 127 UPPER GREEN RIVER BIG SANDY OPENING 9100 17.5 12.5 140 16.4 14.8 111 BLIND BULL SUM 8650 38.3 25.1 153 -M 21.5 * EAST RIM DIVIDE 7930 15.8 12.3 128 16.1 13.8 117 ELKHART PARK G.S. 9400 16.8 11.8 142 16.6 14.6 114 GROS VENTRE SUMMIT 8775 20.1 13.3 151 18.8 14.5 130 KENDALL R.S. 7740 22.5 13.0 173 17.3 14.2 122 LOOMIS PARK 8240 -M 15.4 * 19.7 17.1 115 NEW FORK LAKE 8340 13.4 10.1 133 12.4 13.1 95 SNIDER BASIN 8250 21.5 13.1 164 18.2 13.8 132 SPRING CREEK DIVIDE 9000 32.9 24.0 137 -M 24.6 * TRIPLE PEAK 8500 32.4 22.3 145 33.6 28.4 118 ----- ----- Basin wide percent of average 147 117 LOWER GREEN RIVER HAMS FORK 7840 16.2 10.9 149 14.1 12.1 117 HEWINTA 9500 12.8 8.9 144 13.4 10.6 126 HICKERSON PARK 9150 7.4 5.2 142 8.6 7.5 115 HOLE-IN-ROCK 9150 7.8 4.8 163 9.2 7.5 123 INDIAN CREEK 9425 36.7 23.8 154 29.8 23.0 130 KELLEY R.S. 8180 22.4 14.7 152 24.3 17.1 142 STEEL CREEK PARK 10100 15.1 13.1 115 14.7 10.6 139 ----- ----- Basin wide percent of average 145 129 UPPER BEAR RIVER BUG LAKE 7950 31.2 17.5 178 27.9 16.4 170 HAYDEN FORK 9400 19.7 14.2 139 24.3 15.7 155 KELLEY R.S. 8180 22.4 14.7 152 24.3 17.1 142 LILY LAKE 9050 16.7 10.9 153 18.5 12.1 153 MONTE CRISTO 8960 39.1 24.3 161 31.3 21.4 146 SALT RIVER SUMMIT 7600 20.7 12.4 167 22.2 15.4 144 TRIAL LAKE 9960 34.7 21.9 158 33.5 20.3 165 ----- ----- Basin wide percent of average 159 154 ----------------------------------------------------------------------------- -M = Missing data * = Data may not provide a valid measure of conditions. If the Basin wide percent of average 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 Average represents the snow water equivalent found at selected SNOTEL sites in or near the basin compared to the average 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. Reference period for average conditions is 1961-90. Provisional data, subject to revision. ---------------------------------------------------------------------------- -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.