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 SATURDAY: FEBRUARY 8 , 1997 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 24.4 13.3 183 27.3 17.3 158 COTTONWOOD CREEK 7600 23.8 15.2 157 25.9 18.6 139 GRANITE CREEK 6770 24.9 13.1 190 22.3 18.2 123 GRASSY LAKE 7265 37.7 26.4 143 37.9 27.9 136 GROS VENTRE SUMMIT 8775 17.9 11.2 160 12.9 12.2 106 LEWIS LAKE DIVIDE 7860 45.1 24.6 183 38.3 28.4 135 PHILLIPS BENCH 8200 -M 20.7 * -M 22.5 * SALT RIVER SUMMIT 7600 18.4 9.8 188 19.9 13.0 153 SNAKE RIVER STATION 6920 23.2 13.5 172 30.3 19.7 154 SPRING CREEK DIVIDE 9000 30.5 19.5 156 20.0 20.6 97 THUMB DIVIDE 7980 26.6 12.2 218 21.1 16.2 130 TOGWOTEE PASS 9580 27.7 17.9 155 21.7 21.3 102 TWO OCEAN PLATEAU 9360 36.1 19.4 186 29.0 23.8 122 WILLOW CREEK 8450 32.9 22.4 147 35.0 24.3 144 ----- ----- Basin wide percent of average 169 131 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 28.6 17.0 168 -M 12.9 * BLACK BEAR 7950 46.3 26.4 175 -M 28.3 * CANYON 7940 19.4 8.9 218 22.5 10.5 214 FISHER CREEK 9100 44.9 25.8 174 -M 26.1 * MADISON PLATEAU 7750 32.4 17.3 187 32.9 18.4 179 NORTHEAST ENTRANCE 7350 10.2 6.9 148 16.4 8.8 186 PARKER PEAK 9400 25.2 15.3 165 -M 11.2 * SYLVAN LAKE 8420 25.4 15.9 160 -M 14.0 * THUMB DIVIDE 7980 26.6 12.2 218 21.1 16.2 130 TWO OCEAN PLATEAU 9360 36.1 19.4 186 29.0 23.8 122 WHISKEY CREEK 6800 19.9 12.0 166 -M 15.3 * WHITE MILL 8700 30.8 18.1 170 -M 20.4 * WOLVERINE 7650 12.3 8.5 145 12.8 9.4 136 ----- ----- Basin wide percent of average 176 155* WIND RIVER BURROUGHS CREEK 8750 20.0 11.2 179 -M 12.0 * CHRISTINA LAKE 9980 17.6 10.9 161 19.5 11.5 170 COLD SPRINGS 9630 8.3 6.1 136 9.5 7.3 130 HOBBS PARK 10100 14.0 10.5 133 11.1 9.7 114 LITTLE WARM 9620 13.9 7.7 181 15.1 9.4 161 SOUTH PASS 9040 22.7 12.0 189 21.5 11.6 185 ST. LAWRENCE ALT 8620 7.4 5.2 142 8.9 6.7 133 TOGWOTEE PASS 9580 27.7 17.9 155 21.7 21.3 102 TOWNSEND CREEK 8700 8.2 6.7 122 9.5 8.3 114 ----- ----- Basin wide percent of average 159 136 BIGHORN BASIN BALD MTN. 9375 15.9 14.7 108 13.1 12.3 107 BEAR TRAP MEADOW 7900 5.8 5.1 114 6.3 5.6 113 BLACKWATER 9780 30.3 15.0 202 22.8 13.0 175 BONE SPRINGS DIV 9350 13.5 11.3 119 12.4 10.0 124 EVENING STAR 9200 33.6 19.1 176 -M 16.2 * GRAVE SPRINGS 8550 9.1 -M * 8.8 6.7 131 KIRWIN 9550 12.3 7.0 176 14.0 7.2 194 LOST CREEK 8080 11.1 8.7 128 11.9 8.1 147 MARQUETTE 8760 8.3 5.5 151 8.7 6.1 143 MIDDLE POWDER 7760 11.9 8.2 145 10.8 8.2 132 OWL CREEK 8975 6.0 3.0 200 5.1 4.1 124 POWDER RIVER PASS 9480 10.4 7.5 139 10.1 8.2 123 SHELL CREEK 9580 13.2 10.9 121 11.0 9.3 118 SYLVAN LAKE 8420 25.4 15.9 160 -M 14.0 * SYLVAN ROAD 8120 16.8 9.2 183 22.8 11.7 195 TIMBER CREEK 7950 5.4 4.0 135 6.1 4.4 139 YOUNTS PEAK 8350 18.9 12.9 147 -M 12.0 * ----- ----- Basin wide percent of average 151 143 SHOSHONE RIVER BLACKWATER 9780 30.3 15.0 202 22.8 13.0 175 EVENING STAR 9200 33.6 19.1 176 -M 16.2 * KIRWIN 9550 12.3 7.0 176 14.0 7.2 194 MARQUETTE 8760 8.3 5.5 151 8.7 6.1 143 SYLVAN LAKE 8420 25.4 15.9 160 -M 14.0 * SYLVAN ROAD 8120 16.8 9.2 183 22.8 11.7 195 YOUNTS PEAK 8350 18.9 12.9 147 -M 12.0 * ----- ----- Basin wide percent of average 172 180 POWDER-TONGUE BEAR TRAP MEADOW 7900 5.8 5.1 114 6.3 5.6 113 BONE SPRINGS DIV 9350 13.5 11.3 119 12.4 10.0 124 BURGESS JUNCTION 7880 9.0 8.1 111 9.3 7.5 124 CLOUD PEAK RESERVOIR 9860 13.3 8.8 151 11.1 8.7 128 DOME LAKE 8880 9.2 9.6 96 10.6 9.1 116 GRAVE SPRINGS 8550 9.1 -M * 8.8 6.7 131 HANSEN SAWMILL 8760 5.3 4.9 108 5.8 5.3 109 LOST CREEK 8080 11.1 8.7 128 11.9 8.1 147 MIDDLE POWDER 7760 11.9 8.2 145 10.8 8.2 132 POWDER RIVER PASS 9480 10.4 7.5 139 10.1 8.2 123 SUCKER CREEK 8880 10.7 8.1 132 10.5 9.1 115 TIE CREEK 6870 5.9 -M * 8.5 7.2 118 ----- ----- Basin wide percent of average 125 124 BELLE FOURCHE BLIND PARK 6890 8.6 7.7 112 12.9 6.5 198 NORTH RAPID CREEK 6130 9.3 -M * 11.4 -M * WARREN PEAK 6520 14.0 7.7 182 -M 5.5 * ----- ----- Basin wide percent of average 147 198* UPPER N. PLATTE RIVER COLUMBINE 9400 26.2 17.1 153 25.8 17.4 148 DIVIDE PEAK 8800 19.9 14.2 140 19.3 16.8 115 ELK RIVER 8700 22.8 13.7 166 20.9 13.3 157 JOE WRIGHT 10120 19.5 14.9 131 24.1 17.4 139 NORTH FRENCH CREEK 10100 27.0 17.1 158 24.7 16.1 153 OLD BATTLE 10000 33.9 22.0 154 28.1 20.7 136 SOUTH BRUSH CREEK 8400 13.1 7.7 170 14.6 11.2 130 TOWER 10500 47.1 31.9 148 34.8 25.6 136 WEBBER SPRINGS 9200 25.8 18.7 138 29.6 17.6 168 WILLOW CREEK PASS 9540 15.1 7.8 194 11.5 8.3 139 ----- ----- Basin wide percent of average 152 142 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 27.4 17.0 161 21.8 13.0 168 CASPER MTN. 7900 16.3 10.1 161 15.4 9.2 167 CHRISTINA LAKE 9980 17.6 10.9 161 19.5 11.5 170 DEADMAN HILL 10220 12.3 11.8 104 13.8 11.0 125 LAPRELE CREEK 8320 11.5 7.1 162 11.7 8.0 146 RENO HILL 8400 17.9 8.9 201 15.1 12.2 124 ROACH 9700 17.8 11.8 151 18.2 15.0 121 SAND LAKE 10080 29.0 22.7 128 22.9 13.9 165 SOUTH PASS 9040 22.7 12.0 189 21.5 11.6 185 WINDY PEAK 7840 8.6 4.9 176 9.2 6.2 148 ----- ----- Basin wide percent of average 155 152 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 13.9 7.9 176 15.1 11.3 134 DIVIDE PEAK 8800 19.9 14.2 140 19.3 16.8 115 OLD BATTLE 10000 33.9 22.0 154 28.1 20.7 136 SANDSTONE RS 8150 16.5 10.1 163 18.9 13.8 137 WHISKEY PARK 8950 30.9 19.7 157 27.1 20.6 132 ----- ----- Basin wide percent of average 156 130 UPPER GREEN RIVER BIG SANDY OPENING 9100 15.9 10.2 156 14.8 12.6 117 BLIND BULL SUM 8650 33.9 20.4 166 20.2 17.9 113 EAST RIM DIVIDE 7930 13.9 10.0 139 14.6 11.7 125 ELKHART PARK G.S. 9400 15.5 9.7 160 15.8 12.4 127 GROS VENTRE SUMMIT 8775 17.9 11.2 160 12.9 12.2 106 KENDALL R.S. 7740 20.0 10.6 189 17.3 12.0 144 LOOMIS PARK 8240 15.2 12.5 122 18.3 14.6 125 NEW FORK LAKE 8340 12.8 8.4 152 11.5 11.2 103 SNIDER BASIN 8250 19.8 10.6 187 16.9 11.7 144 SPRING CREEK DIVIDE 9000 30.5 19.5 156 20.0 20.6 97 TRIPLE PEAK 8500 29.0 18.6 156 30.9 24.0 129 ----- ----- Basin wide percent of average 158 120 LOWER GREEN RIVER HAMS FORK 7840 15.0 8.8 170 12.9 10.3 125 HEWINTA 9500 10.7 6.8 157 11.6 8.9 130 HICKERSON PARK 9150 5.0 3.9 128 7.1 6.3 113 HOLE-IN-ROCK 9150 6.6 3.6 183 7.6 6.3 121 INDIAN CREEK 9425 33.6 19.2 175 20.5 19.4 106 KELLEY R.S. 8180 21.0 11.7 179 24.0 14.5 166 STEEL CREEK PARK 10100 13.0 10.4 125 12.7 9.0 141 ----- ----- Basin wide percent of average 163 129 UPPER BEAR RIVER BUG LAKE 7950 27.3 13.9 196 25.8 13.6 190 HAYDEN FORK 9400 17.4 11.1 157 21.9 12.7 172 KELLEY R.S. 8180 21.0 11.7 179 24.0 14.5 166 LILY LAKE 9050 15.8 8.8 180 16.5 10.1 163 MONTE CRISTO 8960 34.7 18.6 187 28.4 17.6 161 SALT RIVER SUMMIT 7600 18.4 9.8 188 19.9 13.0 153 TRIAL LAKE 9960 31.8 17.0 187 31.1 16.3 191 ----- ----- Basin wide percent of average 183 171 ----------------------------------------------------------------------------- -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.