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 , 1997 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 28.7 16.3 176 27.6 20.9 132 COTTONWOOD CREEK 7600 28.6 20.5 140 29.5 23.3 127 GRANITE CREEK 6770 28.3 16.5 172 22.3 21.9 102 GRASSY LAKE 7265 43.6 31.8 137 38.7 34.1 113 GROS VENTRE SUMMIT 8775 20.5 13.9 147 19.3 14.8 130 LEWIS LAKE DIVIDE 7860 50.9 31.6 161 -M 34.7 * PHILLIPS BENCH 8200 39.0 26.0 150 42.8 27.4 156 SALT RIVER SUMMIT 7600 21.1 12.9 164 22.5 15.7 143 SNAKE RIVER STATION 6920 27.3 17.2 159 34.2 23.9 143 SPRING CREEK DIVIDE 9000 33.1 24.9 133 -M 25.3 * THUMB DIVIDE 7980 30.5 15.3 199 -M 19.5 * TOGWOTEE PASS 9580 32.2 22.2 145 -M 25.9 * TWO OCEAN PLATEAU 9360 41.3 23.8 174 -M 28.8 * WILLOW CREEK 8450 36.4 27.5 132 37.7 29.8 127 ----- ----- Basin wide percent of average 154 130 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 33.1 21.1 157 -M 16.0 * BLACK BEAR 7950 -M 34.0 * -M 35.9 * CANYON 7940 22.6 11.5 197 25.0 12.8 195 FISHER CREEK 9100 52.0 32.1 162 -M 32.6 * MADISON PLATEAU 7750 39.5 22.0 180 40.0 23.2 172 NORTHEAST ENTRANCE 7350 11.8 8.6 137 18.0 10.7 168 PARKER PEAK 9400 29.6 19.3 153 -M 13.9 * SYLVAN LAKE 8420 29.7 19.7 151 -M 17.2 * THUMB DIVIDE 7980 30.5 15.3 199 -M 19.5 * TWO OCEAN PLATEAU 9360 41.3 23.8 174 -M 28.8 * WHISKEY CREEK 6800 24.2 15.5 156 -M 19.2 * WHITE MILL 8700 35.6 22.7 157 -M 25.2 * WOLVERINE 7650 15.3 10.7 143 14.5 11.5 126 ----- ----- Basin wide percent of average 164 168* WIND RIVER BURROUGHS CREEK 8750 22.6 13.8 164 -M 14.8 * CHRISTINA LAKE 9980 18.8 13.5 139 19.5 14.3 136 COLD SPRINGS 9630 10.1 7.5 135 11.0 9.0 122 HOBBS PARK 10100 16.1 13.0 124 12.7 12.1 105 LITTLE WARM 9620 15.7 10.0 157 17.1 11.5 149 SOUTH PASS 9040 24.9 14.8 168 23.3 14.8 157 ST. LAWRENCE ALT 8620 8.6 6.7 128 9.9 8.6 115 TOGWOTEE PASS 9580 32.2 22.2 145 -M 25.9 * TOWNSEND CREEK 8700 9.6 8.6 112 10.9 10.6 103 ----- ----- Basin wide percent of average 144 129 BIGHORN BASIN BALD MTN. 9375 20.5 18.2 113 16.9 15.1 112 BEAR TRAP MEADOW 7900 7.7 6.3 122 8.2 6.9 119 BLACKWATER 9780 35.1 19.4 181 26.7 16.0 167 BONE SPRINGS DIV 9350 17.1 14.4 119 15.0 12.7 118 EVENING STAR 9200 38.8 24.0 162 -M 20.1 * GRAVE SPRINGS 8550 10.5 -M * 9.9 8.0 124 KIRWIN 9550 13.6 8.7 156 14.9 9.2 162 LOST CREEK 8080 13.9 11.5 121 13.8 10.0 138 MARQUETTE 8760 10.0 7.0 143 10.5 7.8 135 MIDDLE POWDER 7760 14.2 10.5 135 12.8 10.0 128 OWL CREEK 8975 7.5 4.0 188 6.2 5.3 117 POWDER RIVER PASS 9480 12.7 9.5 134 12.4 10.0 124 SHELL CREEK 9580 16.3 13.4 122 13.5 11.3 119 SYLVAN LAKE 8420 29.7 19.7 151 -M 17.2 * SYLVAN ROAD 8120 19.7 11.9 166 25.3 14.4 176 TIMBER CREEK 7950 6.9 5.4 128 7.4 5.7 130 YOUNTS PEAK 8350 22.1 15.6 142 -M 14.7 * ----- ----- Basin wide percent of average 143 136 SHOSHONE RIVER BLACKWATER 9780 35.1 19.4 181 26.7 16.0 167 EVENING STAR 9200 38.8 24.0 162 -M 20.1 * KIRWIN 9550 13.6 8.7 156 14.9 9.2 162 MARQUETTE 8760 10.0 7.0 143 10.5 7.8 135 SYLVAN LAKE 8420 29.7 19.7 151 -M 17.2 * SYLVAN ROAD 8120 19.7 11.9 166 25.3 14.4 176 YOUNTS PEAK 8350 22.1 15.6 142 -M 14.7 * ----- ----- Basin wide percent of average 159 163 POWDER-TONGUE BEAR TRAP MEADOW 7900 7.7 6.3 122 8.2 6.9 119 BONE SPRINGS DIV 9350 17.1 14.4 119 15.0 12.7 118 BURGESS JUNCTION 7880 11.6 10.3 113 11.8 9.4 126 CLOUD PEAK RESERVOIR 9860 16.2 12.3 132 13.4 11.2 120 DOME LAKE 8880 10.8 12.1 89 12.6 11.2 113 GRAVE SPRINGS 8550 10.5 -M * 9.9 8.0 124 HANSEN SAWMILL 8760 7.2 6.2 116 7.5 6.6 114 LOST CREEK 8080 13.9 11.5 121 13.8 10.0 138 MIDDLE POWDER 7760 14.2 10.5 135 12.8 10.0 128 POWDER RIVER PASS 9480 12.7 9.5 134 12.4 10.0 124 SUCKER CREEK 8880 12.9 10.5 123 12.9 11.3 114 TIE CREEK 6870 7.9 -M * 10.5 9.0 117 ----- ----- Basin wide percent of average 120 121 BELLE FOURCHE BLIND PARK 6890 9.9 9.7 102 13.9 8.3 167 NORTH RAPID CREEK 6130 10.1 -M * 12.5 -M * WARREN PEAK 6520 16.7 9.7 172 -M 6.7 * ----- ----- Basin wide percent of average 137 167* UPPER N. PLATTE RIVER COLUMBINE 9400 28.4 22.5 126 28.8 21.7 133 DIVIDE PEAK 8800 23.4 18.0 130 22.9 19.9 115 ELK RIVER 8700 27.1 17.8 152 23.8 16.6 143 JOE WRIGHT 10120 21.4 18.8 114 26.6 21.6 123 NORTH FRENCH CREEK 10100 32.1 22.0 146 29.6 20.2 147 OLD BATTLE 10000 33.9 27.8 122 32.7 26.2 125 SOUTH BRUSH CREEK 8400 13.6 10.6 128 16.0 13.9 115 TOWER 10500 51.7 39.8 130 36.4 31.8 114 WEBBER SPRINGS 9200 29.4 24.0 123 33.4 22.0 152 WILLOW CREEK PASS 9540 16.6 10.0 166 13.7 10.7 128 ----- ----- Basin wide percent of average 131 129 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 31.3 21.6 145 24.1 16.6 145 CASPER MTN. 7900 19.0 13.3 143 17.8 11.7 152 CHRISTINA LAKE 9980 18.8 13.5 139 19.5 14.3 136 DEADMAN HILL 10220 14.7 14.5 101 16.5 14.1 117 LAPRELE CREEK 8320 14.1 9.0 157 13.4 9.9 135 RENO HILL 8400 19.8 11.8 168 17.2 15.9 108 ROACH 9700 20.0 15.0 133 20.4 18.4 111 SAND LAKE 10080 33.3 28.7 116 26.3 17.6 149 SOUTH PASS 9040 24.9 14.8 168 23.3 14.8 157 WINDY PEAK 7840 9.5 7.1 134 10.9 7.8 140 ----- ----- Basin wide percent of average 138 134 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 16.2 10.5 154 17.3 13.4 129 DIVIDE PEAK 8800 23.4 18.0 130 22.9 19.9 115 OLD BATTLE 10000 33.9 27.8 122 32.7 26.2 125 SANDSTONE RS 8150 19.6 13.1 150 21.3 16.3 131 WHISKEY PARK 8950 36.2 25.3 143 30.9 24.2 128 ----- ----- Basin wide percent of average 137 125 UPPER GREEN RIVER BIG SANDY OPENING 9100 18.3 12.9 142 16.8 15.1 111 BLIND BULL SUM 8650 39.4 26.1 151 -M 22.0 * EAST RIM DIVIDE 7930 16.2 12.8 127 16.5 14.2 116 ELKHART PARK G.S. 9400 17.3 12.3 141 17.3 14.9 116 GROS VENTRE SUMMIT 8775 20.5 13.9 147 19.3 14.8 130 KENDALL R.S. 7740 23.4 13.7 171 17.3 14.5 119 LOOMIS PARK 8240 -M 15.9 * 19.8 17.5 113 NEW FORK LAKE 8340 14.0 10.4 135 12.8 13.5 95 SNIDER BASIN 8250 21.8 13.6 160 18.6 14.2 131 SPRING CREEK DIVIDE 9000 33.1 24.9 133 -M 25.3 * TRIPLE PEAK 8500 33.1 23.1 143 34.9 29.0 120 ----- ----- Basin wide percent of average 145 117 LOWER GREEN RIVER HAMS FORK 7840 16.8 11.4 147 14.2 12.4 115 HEWINTA 9500 13.2 9.5 139 13.6 11.0 124 HICKERSON PARK 9150 7.6 5.5 138 8.7 7.9 110 HOLE-IN-ROCK 9150 8.1 5.1 159 9.3 7.9 118 INDIAN CREEK 9425 37.4 25.0 150 30.2 23.7 127 KELLEY R.S. 8180 22.8 15.3 149 24.5 17.5 140 STEEL CREEK PARK 10100 15.3 13.7 112 14.9 11.0 135 ----- ----- Basin wide percent of average 142 126 UPPER BEAR RIVER BUG LAKE 7950 31.8 18.2 175 28.5 17.0 168 HAYDEN FORK 9400 20.2 14.8 136 24.6 16.3 151 KELLEY R.S. 8180 22.8 15.3 149 24.5 17.5 140 LILY LAKE 9050 16.9 11.4 148 18.7 12.6 148 MONTE CRISTO 8960 39.7 25.4 156 31.8 22.2 143 SALT RIVER SUMMIT 7600 21.1 12.9 164 22.5 15.7 143 TRIAL LAKE 9960 35.0 22.8 154 34.1 20.9 163 ----- ----- Basin wide percent of average 155 151 ----------------------------------------------------------------------------- -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.