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 SUNDAY: FEBRUARY 9 , 1997 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 24.5 13.4 183 27.3 17.4 157 COTTONWOOD CREEK 7600 23.8 15.4 155 25.9 18.7 139 GRANITE CREEK 6770 25.0 13.2 189 22.2 18.3 121 GRASSY LAKE 7265 37.6 26.9 140 37.9 28.1 135 GROS VENTRE SUMMIT 8775 17.9 11.2 160 12.8 12.3 104 LEWIS LAKE DIVIDE 7860 45.0 24.9 181 38.2 28.6 134 PHILLIPS BENCH 8200 -M 20.9 * -M 22.7 * SALT RIVER SUMMIT 7600 18.3 9.9 185 19.9 13.1 152 SNAKE RIVER STATION 6920 23.2 13.6 171 30.3 19.8 153 SPRING CREEK DIVIDE 9000 30.7 19.6 157 20.0 20.7 97 THUMB DIVIDE 7980 26.6 12.3 216 21.1 16.3 129 TOGWOTEE PASS 9580 27.7 18.0 154 21.7 21.4 101 TWO OCEAN PLATEAU 9360 36.1 19.5 185 29.0 24.0 121 WILLOW CREEK 8450 32.2 22.6 142 35.0 24.5 143 ----- ----- Basin wide percent of average 167 130 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 28.7 17.1 168 -M 13.0 * BLACK BEAR 7950 45.4 26.7 170 -M 28.6 * CANYON 7940 19.4 9.0 216 22.5 10.5 214 FISHER CREEK 9100 44.9 26.0 173 -M 26.3 * MADISON PLATEAU 7750 32.4 17.5 185 33.4 18.6 180 NORTHEAST ENTRANCE 7350 10.2 6.9 148 16.5 8.8 188 PARKER PEAK 9400 25.2 15.4 164 -M 11.2 * SYLVAN LAKE 8420 25.5 16.0 159 -M 14.1 * THUMB DIVIDE 7980 26.6 12.3 216 21.1 16.3 129 TWO OCEAN PLATEAU 9360 36.1 19.5 185 29.0 24.0 121 WHISKEY CREEK 6800 19.8 12.1 164 -M 15.4 * WHITE MILL 8700 30.8 18.2 169 -M 20.6 * WOLVERINE 7650 12.5 8.6 145 12.8 9.4 136 ----- ----- Basin wide percent of average 174 154* WIND RIVER BURROUGHS CREEK 8750 20.1 11.3 178 -M 12.1 * CHRISTINA LAKE 9980 17.6 10.9 161 19.5 11.6 168 COLD SPRINGS 9630 8.3 6.1 136 9.5 7.3 130 HOBBS PARK 10100 14.1 10.6 133 11.1 9.8 113 LITTLE WARM 9620 14.0 7.8 179 15.2 9.4 162 SOUTH PASS 9040 22.7 12.1 188 21.5 11.7 184 ST. LAWRENCE ALT 8620 7.5 5.2 144 8.9 6.8 131 TOGWOTEE PASS 9580 27.7 18.0 154 21.7 21.4 101 TOWNSEND CREEK 8700 8.2 6.7 122 9.5 8.4 113 ----- ----- Basin wide percent of average 158 135 BIGHORN BASIN BALD MTN. 9375 15.9 14.8 107 13.1 12.4 106 BEAR TRAP MEADOW 7900 5.8 5.1 114 6.1 5.7 107 BLACKWATER 9780 30.3 15.1 201 22.8 13.1 174 BONE SPRINGS DIV 9350 13.6 11.4 119 12.4 10.1 123 EVENING STAR 9200 33.6 19.3 174 -M 16.4 * GRAVE SPRINGS 8550 9.1 -M * 8.8 6.7 131 KIRWIN 9550 12.4 7.0 177 14.0 7.3 192 LOST CREEK 8080 11.1 8.8 126 11.9 8.2 145 MARQUETTE 8760 8.3 5.6 148 8.7 6.2 140 MIDDLE POWDER 7760 11.9 8.3 143 10.9 8.2 133 OWL CREEK 8975 6.1 3.0 203 5.1 4.1 124 POWDER RIVER PASS 9480 10.3 7.5 137 10.1 8.3 122 SHELL CREEK 9580 13.2 10.9 121 10.9 9.4 116 SYLVAN LAKE 8420 25.5 16.0 159 -M 14.1 * SYLVAN ROAD 8120 16.8 9.3 181 22.8 11.8 193 TIMBER CREEK 7950 5.4 4.0 135 6.1 4.5 136 YOUNTS PEAK 8350 18.9 12.9 147 -M 12.0 * ----- ----- Basin wide percent of average 150 141 SHOSHONE RIVER BLACKWATER 9780 30.3 15.1 201 22.8 13.1 174 EVENING STAR 9200 33.6 19.3 174 -M 16.4 * KIRWIN 9550 12.4 7.0 177 14.0 7.3 192 MARQUETTE 8760 8.3 5.6 148 8.7 6.2 140 SYLVAN LAKE 8420 25.5 16.0 159 -M 14.1 * SYLVAN ROAD 8120 16.8 9.3 181 22.8 11.8 193 YOUNTS PEAK 8350 18.9 12.9 147 -M 12.0 * ----- ----- Basin wide percent of average 171 178 POWDER-TONGUE BEAR TRAP MEADOW 7900 5.8 5.1 114 6.1 5.7 107 BONE SPRINGS DIV 9350 13.6 11.4 119 12.4 10.1 123 BURGESS JUNCTION 7880 9.0 8.2 110 9.3 7.5 124 CLOUD PEAK RESERVOIR 9860 13.3 8.9 149 11.1 8.7 128 DOME LAKE 8880 9.2 9.6 96 10.6 9.2 115 GRAVE SPRINGS 8550 9.1 -M * 8.8 6.7 131 HANSEN SAWMILL 8760 5.4 4.9 110 5.8 5.3 109 LOST CREEK 8080 11.1 8.8 126 11.9 8.2 145 MIDDLE POWDER 7760 11.9 8.3 143 10.9 8.2 133 POWDER RIVER PASS 9480 10.3 7.5 137 10.1 8.3 122 SUCKER CREEK 8880 10.8 8.2 132 10.6 9.1 116 TIE CREEK 6870 6.0 -M * 8.5 7.2 118 ----- ----- Basin wide percent of average 124 123 BELLE FOURCHE BLIND PARK 6890 8.7 7.8 112 12.9 6.5 198 NORTH RAPID CREEK 6130 9.2 -M * 11.5 -M * WARREN PEAK 6520 14.1 7.8 181 -M 5.5 * ----- ----- Basin wide percent of average 146 198* UPPER N. PLATTE RIVER COLUMBINE 9400 26.2 17.3 151 25.9 17.6 147 DIVIDE PEAK 8800 19.9 14.3 139 19.3 16.8 115 ELK RIVER 8700 22.9 13.8 166 20.9 13.4 156 JOE WRIGHT 10120 19.5 15.0 130 24.2 17.6 138 NORTH FRENCH CREEK 10100 27.0 17.3 156 24.7 16.2 152 OLD BATTLE 10000 33.9 22.2 153 28.2 20.9 135 SOUTH BRUSH CREEK 8400 13.1 7.7 170 14.6 11.3 129 TOWER 10500 47.1 32.2 146 34.8 25.8 135 WEBBER SPRINGS 9200 25.9 18.9 137 29.7 17.8 167 WILLOW CREEK PASS 9540 15.1 7.9 191 11.6 8.4 138 ----- ----- Basin wide percent of average 150 141 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 27.5 17.1 161 21.9 13.1 167 CASPER MTN. 7900 16.3 10.2 160 15.4 9.2 167 CHRISTINA LAKE 9980 17.6 10.9 161 19.5 11.6 168 DEADMAN HILL 10220 12.3 11.8 104 13.8 11.1 124 LAPRELE CREEK 8320 11.6 7.1 163 11.8 8.0 148 RENO HILL 8400 17.9 9.0 199 15.1 12.3 123 ROACH 9700 17.8 11.9 150 18.2 15.1 121 SAND LAKE 10080 29.0 22.9 127 22.9 14.0 164 SOUTH PASS 9040 22.7 12.1 188 21.5 11.7 184 WINDY PEAK 7840 8.6 5.0 172 9.4 6.2 152 ----- ----- Basin wide percent of average 154 151 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 13.9 8.0 174 15.3 11.4 134 DIVIDE PEAK 8800 19.9 14.3 139 19.3 16.8 115 OLD BATTLE 10000 33.9 22.2 153 28.2 20.9 135 SANDSTONE RS 8150 16.5 10.2 162 18.9 13.9 136 WHISKEY PARK 8950 30.9 19.9 155 27.2 20.7 131 ----- ----- Basin wide percent of average 154 130 UPPER GREEN RIVER BIG SANDY OPENING 9100 16.0 10.2 157 14.7 12.6 117 BLIND BULL SUM 8650 34.0 20.6 165 20.2 18.0 112 EAST RIM DIVIDE 7930 13.9 10.0 139 14.6 11.8 124 ELKHART PARK G.S. 9400 15.6 9.8 159 15.8 12.4 127 GROS VENTRE SUMMIT 8775 17.9 11.2 160 12.8 12.3 104 KENDALL R.S. 7740 20.0 10.6 189 17.3 12.0 144 LOOMIS PARK 8240 15.0 12.6 119 18.4 14.7 125 NEW FORK LAKE 8340 12.8 8.5 151 11.5 11.3 102 SNIDER BASIN 8250 19.8 10.7 185 16.9 11.8 143 SPRING CREEK DIVIDE 9000 30.7 19.6 157 20.0 20.7 97 TRIPLE PEAK 8500 29.0 18.7 155 30.9 24.2 128 ----- ----- Basin wide percent of average 158 119 LOWER GREEN RIVER HAMS FORK 7840 15.0 8.8 170 13.0 10.4 125 HEWINTA 9500 10.8 6.8 159 11.6 8.9 130 HICKERSON PARK 9150 5.6 4.0 140 7.2 6.3 114 HOLE-IN-ROCK 9150 6.6 3.6 183 7.6 6.3 121 INDIAN CREEK 9425 33.7 19.4 174 20.5 19.5 105 KELLEY R.S. 8180 21.0 11.8 178 24.0 14.6 164 STEEL CREEK PARK 10100 13.0 10.4 125 12.8 9.1 141 ----- ----- Basin wide percent of average 163 129 UPPER BEAR RIVER BUG LAKE 7950 27.4 14.0 196 25.8 13.7 188 HAYDEN FORK 9400 17.4 11.2 155 21.9 12.8 171 KELLEY R.S. 8180 21.0 11.8 178 24.0 14.6 164 LILY LAKE 9050 15.8 8.9 178 16.5 10.1 163 MONTE CRISTO 8960 34.7 18.8 185 28.5 17.7 161 SALT RIVER SUMMIT 7600 18.3 9.9 185 19.9 13.1 152 TRIAL LAKE 9960 31.9 17.2 185 31.1 16.5 188 ----- ----- Basin wide percent of average 181 170 ----------------------------------------------------------------------------- -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.