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: JANUARY 14 , 1997 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 18.7 9.9 189 23.0 13.3 173 COTTONWOOD CREEK 7600 20.4 11.3 181 22.4 14.2 158 GRANITE CREEK 6770 20.5 9.6 214 22.5 14.1 160 GRASSY LAKE 7265 -M 18.2 * -M 21.6 * GROS VENTRE SUMMIT 8775 15.4 8.6 179 13.4 9.5 141 LEWIS LAKE DIVIDE 7860 35.5 17.9 198 35.6 22.0 162 PHILLIPS BENCH 8200 28.2 15.0 188 27.7 17.2 161 SALT RIVER SUMMIT 7600 15.1 6.9 219 16.5 10.1 163 SNAKE RIVER STATION 6920 16.7 9.8 170 -M 15.2 * SPRING CREEK DIVIDE 9000 25.4 14.5 175 20.0 15.9 126 THUMB DIVIDE 7980 22.8 9.2 248 21.0 12.5 168 TOGWOTEE PASS 9580 23.9 13.7 174 21.6 16.4 132 TWO OCEAN PLATEAU 9360 30.8 15.1 204 28.7 18.4 156 WILLOW CREEK 8450 29.1 16.5 176 28.2 18.6 152 ----- ----- Basin wide percent of average 191 154 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 24.4 13.5 181 20.2 10.0 202 BLACK BEAR 7950 46.1 19.5 236 -M 21.1 * CANYON 7940 16.3 6.7 243 17.3 8.2 211 FISHER CREEK 9100 39.8 19.5 204 35.2 19.6 180 MADISON PLATEAU 7750 27.7 12.8 216 26.7 14.0 191 NORTHEAST ENTRANCE 7350 7.8 5.1 153 13.8 6.8 203 PARKER PEAK 9400 21.7 12.3 176 14.8 8.8 168 SYLVAN LAKE 8420 21.8 12.7 172 20.0 11.2 179 THUMB DIVIDE 7980 22.8 9.2 248 21.0 12.5 168 TWO OCEAN PLATEAU 9360 30.8 15.1 204 28.7 18.4 156 WHISKEY CREEK 6800 16.5 8.9 185 23.7 11.7 203 WHITE MILL 8700 26.6 13.9 191 -M 15.5 * WOLVERINE 7650 10.3 6.4 161 11.3 7.4 153 ----- ----- Basin wide percent of average 201 181 WIND RIVER BURROUGHS CREEK 8750 17.1 8.6 199 16.9 9.4 180 CHRISTINA LAKE 9980 14.5 8.8 165 15.6 9.4 166 COLD SPRINGS 9630 6.8 5.1 133 7.9 6.1 130 HOBBS PARK 10100 11.8 8.8 134 9.4 7.9 119 LITTLE WARM 9620 12.4 6.0 207 13.6 7.6 179 SOUTH PASS 9040 19.1 9.7 197 18.3 9.2 199 ST. LAWRENCE ALT 8620 5.5 3.9 141 6.6 5.5 120 TOGWOTEE PASS 9580 23.9 13.7 174 21.6 16.4 132 TOWNSEND CREEK 8700 6.9 5.2 133 8.2 6.6 124 ----- ----- Basin wide percent of average 169 151 BIGHORN BASIN BALD MTN. 9375 13.8 11.9 116 11.4 10.0 114 BEAR TRAP MEADOW 7900 5.0 4.2 119 5.9 4.8 123 BLACKWATER 9780 25.4 11.8 215 18.6 10.2 182 BONE SPRINGS DIV 9350 11.5 9.1 126 9.9 7.9 125 EVENING STAR 9200 28.2 15.2 186 25.0 12.7 197 GRAVE SPRINGS 8550 8.1 -M * 8.0 5.6 143 KIRWIN 9550 10.8 5.8 186 11.9 5.9 202 LOST CREEK 8080 9.8 6.8 144 10.7 6.6 162 MARQUETTE 8760 6.9 4.4 157 7.4 5.2 142 MIDDLE POWDER 7760 10.7 6.7 160 9.8 6.8 144 OWL CREEK 8975 5.1 2.4 213 4.3 3.2 134 POWDER RIVER PASS 9480 6.6 5.9 112 7.9 6.5 122 SHELL CREEK 9580 11.0 8.8 125 8.7 7.4 118 SYLVAN LAKE 8420 21.8 12.7 172 20.0 11.2 179 SYLVAN ROAD 8120 13.1 6.9 190 19.4 9.3 209 TIMBER CREEK 7950 4.2 3.0 140 4.6 3.7 124 YOUNTS PEAK 8350 15.6 10.4 150 19.1 9.4 203 ----- ----- Basin wide percent of average 158 160 SHOSHONE RIVER BLACKWATER 9780 25.4 11.8 215 18.6 10.2 182 EVENING STAR 9200 28.2 15.2 186 25.0 12.7 197 KIRWIN 9550 10.8 5.8 186 11.9 5.9 202 MARQUETTE 8760 6.9 4.4 157 7.4 5.2 142 SYLVAN LAKE 8420 21.8 12.7 172 20.0 11.2 179 SYLVAN ROAD 8120 13.1 6.9 190 19.4 9.3 209 YOUNTS PEAK 8350 15.6 10.4 150 19.1 9.4 203 ----- ----- Basin wide percent of average 181 190 POWDER-TONGUE BEAR TRAP MEADOW 7900 5.0 4.2 119 5.9 4.8 123 BONE SPRINGS DIV 9350 11.5 9.1 126 9.9 7.9 125 BURGESS JUNCTION 7880 8.1 6.4 127 8.3 6.2 134 CLOUD PEAK RESERVOIR 9860 11.8 6.6 179 9.9 6.9 143 DOME LAKE 8880 7.7 7.5 103 8.9 7.7 116 GRAVE SPRINGS 8550 8.1 -M * 8.0 5.6 143 HANSEN SAWMILL 8760 4.5 3.9 115 5.2 4.4 118 LOST CREEK 8080 9.8 6.8 144 10.7 6.6 162 MIDDLE POWDER 7760 10.7 6.7 160 9.8 6.8 144 POWDER RIVER PASS 9480 6.6 5.9 112 7.9 6.5 122 SUCKER CREEK 8880 9.4 6.1 154 9.2 7.4 124 TIE CREEK 6870 5.4 -M * 7.6 6.0 127 ----- ----- Basin wide percent of average 135 132 BELLE FOURCHE BLIND PARK 6890 7.5 6.1 123 11.3 5.3 213 NORTH RAPID CREEK 6130 7.2 -M * 9.7 -M * WARREN PEAK 6520 12.7 6.1 208 7.9 4.4 180 ----- ----- Basin wide percent of average 166 198 UPPER N. PLATTE RIVER COLUMBINE 9400 17.5 12.6 139 17.2 13.1 131 DIVIDE PEAK 8800 16.7 11.3 148 17.0 13.7 124 ELK RIVER 8700 18.9 10.1 187 18.1 10.4 174 JOE WRIGHT 10120 16.6 12.0 138 20.7 13.7 151 NORTH FRENCH CREEK 10100 22.7 13.4 169 20.7 12.7 163 OLD BATTLE 10000 28.8 17.2 167 26.9 16.4 164 SOUTH BRUSH CREEK 8400 -M 5.8 * 12.2 10.2 120 TOWER 10500 40.0 24.4 164 29.1 19.8 147 WEBBER SPRINGS 9200 21.5 14.5 148 24.9 14.6 171 WILLOW CREEK PASS 9540 12.9 6.4 202 10.1 6.8 149 ----- ----- Basin wide percent of average 160 150 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 22.6 13.9 163 -M 10.1 * CASPER MTN. 7900 12.9 8.1 159 12.7 7.7 165 CHRISTINA LAKE 9980 14.5 8.8 165 15.6 9.4 166 DEADMAN HILL 10220 10.5 9.4 112 11.9 8.6 138 LAPRELE CREEK 8320 9.9 5.5 180 9.6 6.1 157 RENO HILL 8400 14.7 7.2 204 12.6 10.4 121 ROACH 9700 15.5 9.2 168 15.7 11.9 132 SAND LAKE 10080 23.8 17.8 134 18.9 10.9 173 SOUTH PASS 9040 19.1 9.7 197 18.3 9.2 199 WINDY PEAK 7840 6.6 3.7 178 8.0 4.9 163 ----- ----- Basin wide percent of average 161 156 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 11.4 6.0 190 12.9 8.9 145 DIVIDE PEAK 8800 16.7 11.3 148 17.0 13.7 124 OLD BATTLE 10000 28.8 17.2 167 26.9 16.4 164 SANDSTONE RS 8150 13.6 7.6 179 16.0 10.8 148 WHISKEY PARK 8950 24.4 15.3 159 20.6 15.2 136 ----- ----- Basin wide percent of average 165 144 UPPER GREEN RIVER BIG SANDY OPENING 9100 13.9 7.7 181 13.0 9.8 133 BLIND BULL SUM 8650 28.1 15.6 180 20.5 13.4 153 EAST RIM DIVIDE 7930 11.5 7.3 158 12.4 9.1 136 ELKHART PARK G.S. 9400 14.0 7.3 192 13.6 9.6 142 GROS VENTRE SUMMIT 8775 15.4 8.6 179 13.4 9.5 141 KENDALL R.S. 7740 17.2 7.9 218 17.6 9.3 189 LOOMIS PARK 8240 16.2 9.1 178 17.7 11.3 157 NEW FORK LAKE 8340 11.3 6.1 185 10.2 8.7 117 SNIDER BASIN 8250 15.9 7.8 204 14.1 9.1 155 SPRING CREEK DIVIDE 9000 25.4 14.5 175 20.0 15.9 126 TRIPLE PEAK 8500 25.0 13.8 181 26.1 18.6 140 ----- ----- Basin wide percent of average 183 144 LOWER GREEN RIVER HAMS FORK 7840 12.4 6.2 200 10.9 8.0 136 HEWINTA 9500 8.8 5.0 176 9.6 7.2 133 HICKERSON PARK 9150 4.9 3.0 163 6.4 5.3 121 HOLE-IN-ROCK 9150 5.8 2.7 215 6.6 5.3 125 INDIAN CREEK 9425 27.6 14.6 189 19.5 15.0 130 KELLEY R.S. 8180 17.8 8.5 209 20.5 11.2 183 STEEL CREEK PARK 10100 10.8 8.4 129 10.6 7.6 139 ----- ----- Basin wide percent of average 182 141 UPPER BEAR RIVER BUG LAKE 7950 21.7 10.8 201 21.4 10.9 196 HAYDEN FORK 9400 13.6 8.6 158 17.8 10.1 176 KELLEY R.S. 8180 17.8 8.5 209 20.5 11.2 183 LILY LAKE 9050 12.6 7.1 177 13.5 8.2 165 MONTE CRISTO 8960 27.9 14.1 198 23.2 14.1 165 SALT RIVER SUMMIT 7600 15.1 6.9 219 16.5 10.1 163 TRIAL LAKE 9960 24.4 13.4 182 -M 12.8 * ----- ----- Basin wide percent of average 192 175 ----------------------------------------------------------------------------- -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.