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 THURSDAY: MARCH 6 , 1997 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 27.6 16.1 171 27.6 20.5 135 COTTONWOOD CREEK 7600 28.0 19.6 143 28.4 22.8 125 GRANITE CREEK 6770 27.7 16.0 173 22.3 21.6 103 GRASSY LAKE 7265 42.6 30.8 138 38.6 33.4 116 GROS VENTRE SUMMIT 8775 20.1 13.4 150 18.8 14.5 130 LEWIS LAKE DIVIDE 7860 50.1 30.7 163 -M 33.9 * PHILLIPS BENCH 8200 38.1 25.2 151 42.0 26.8 157 SALT RIVER SUMMIT 7600 20.9 12.5 167 22.3 15.5 144 SNAKE RIVER STATION 6920 26.7 16.7 160 33.7 23.4 144 SPRING CREEK DIVIDE 9000 32.9 24.2 136 -M 24.7 * THUMB DIVIDE 7980 29.8 14.8 201 -M 19.2 * TOGWOTEE PASS 9580 31.7 21.6 147 -M 25.4 * TWO OCEAN PLATEAU 9360 40.4 23.1 175 -M 28.3 * WILLOW CREEK 8450 34.2 26.7 128 37.1 29.3 127 ----- ----- Basin wide percent of average 155 130 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 32.5 20.6 158 -M 15.6 * BLACK BEAR 7950 -M 33.0 * -M 34.9 * CANYON 7940 22.4 11.1 202 24.1 12.5 193 FISHER CREEK 9100 51.2 31.3 164 -M 31.7 * MADISON PLATEAU 7750 39.0 21.4 182 35.2 22.6 156 NORTHEAST ENTRANCE 7350 11.5 8.4 137 17.9 10.5 170 PARKER PEAK 9400 29.1 18.7 156 -M 13.5 * SYLVAN LAKE 8420 29.1 19.2 152 -M 16.8 * THUMB DIVIDE 7980 29.8 14.8 201 -M 19.2 * TWO OCEAN PLATEAU 9360 40.4 23.1 175 -M 28.3 * WHISKEY CREEK 6800 24.1 15.0 161 -M 18.7 * WHITE MILL 8700 35.0 22.0 159 -M 24.6 * WOLVERINE 7650 15.2 10.4 146 14.3 11.3 127 ----- ----- Basin wide percent of average 166 161* WIND RIVER BURROUGHS CREEK 8750 22.2 13.5 164 -M 14.4 * CHRISTINA LAKE 9980 18.6 13.2 141 19.5 13.9 140 COLD SPRINGS 9630 9.9 7.3 136 10.9 8.8 124 HOBBS PARK 10100 15.8 12.6 125 12.6 11.7 108 LITTLE WARM 9620 15.3 9.6 159 17.0 11.2 152 SOUTH PASS 9040 24.6 14.4 171 23.1 14.3 162 ST. LAWRENCE ALT 8620 8.5 6.5 131 9.9 8.4 118 TOGWOTEE PASS 9580 31.7 21.6 147 -M 25.4 * TOWNSEND CREEK 8700 9.6 8.4 114 10.8 10.2 106 ----- ----- Basin wide percent of average 146 132 BIGHORN BASIN BALD MTN. 9375 20.0 17.6 114 16.6 14.6 114 BEAR TRAP MEADOW 7900 7.3 6.1 120 7.8 6.6 118 BLACKWATER 9780 34.0 18.8 181 25.7 15.7 164 BONE SPRINGS DIV 9350 16.5 13.9 119 14.7 12.2 120 EVENING STAR 9200 37.9 23.3 163 -M 19.6 * GRAVE SPRINGS 8550 10.3 -M * 9.8 7.8 126 KIRWIN 9550 13.5 8.4 161 14.8 9.0 164 LOST CREEK 8080 13.7 11.2 122 13.7 9.7 141 MARQUETTE 8760 9.8 6.8 144 10.1 7.5 135 MIDDLE POWDER 7760 13.8 10.1 137 12.5 9.6 130 OWL CREEK 8975 7.3 3.8 192 6.1 5.1 120 POWDER RIVER PASS 9480 12.5 9.2 136 12.0 9.7 124 SHELL CREEK 9580 15.9 13.0 122 13.1 11.0 119 SYLVAN LAKE 8420 29.1 19.2 152 -M 16.8 * SYLVAN ROAD 8120 19.3 11.6 166 25.2 14.0 180 TIMBER CREEK 7950 6.5 5.2 125 7.1 5.4 131 YOUNTS PEAK 8350 21.5 15.2 141 -M 14.4 * ----- ----- Basin wide percent of average 144 137 SHOSHONE RIVER BLACKWATER 9780 34.0 18.8 181 25.7 15.7 164 EVENING STAR 9200 37.9 23.3 163 -M 19.6 * KIRWIN 9550 13.5 8.4 161 14.8 9.0 164 MARQUETTE 8760 9.8 6.8 144 10.1 7.5 135 SYLVAN LAKE 8420 29.1 19.2 152 -M 16.8 * SYLVAN ROAD 8120 19.3 11.6 166 25.2 14.0 180 YOUNTS PEAK 8350 21.5 15.2 141 -M 14.4 * ----- ----- Basin wide percent of average 160 164 POWDER-TONGUE BEAR TRAP MEADOW 7900 7.3 6.1 120 7.8 6.6 118 BONE SPRINGS DIV 9350 16.5 13.9 119 14.7 12.2 120 BURGESS JUNCTION 7880 11.1 10.1 110 11.3 9.1 124 CLOUD PEAK RESERVOIR 9860 15.6 11.8 132 13.0 10.8 120 DOME LAKE 8880 10.8 11.7 92 12.3 10.9 113 GRAVE SPRINGS 8550 10.3 -M * 9.8 7.8 126 HANSEN SAWMILL 8760 6.7 6.0 112 7.1 6.3 113 LOST CREEK 8080 13.7 11.2 122 13.7 9.7 141 MIDDLE POWDER 7760 13.8 10.1 137 12.5 9.6 130 POWDER RIVER PASS 9480 12.5 9.2 136 12.0 9.7 124 SUCKER CREEK 8880 12.4 10.1 123 12.4 10.9 114 TIE CREEK 6870 7.6 -M * 10.2 8.7 117 ----- ----- Basin wide percent of average 120 122 BELLE FOURCHE BLIND PARK 6890 9.8 9.5 103 13.9 8.0 174 NORTH RAPID CREEK 6130 9.9 -M * 12.3 -M * WARREN PEAK 6520 16.4 9.5 173 -M 6.5 * ----- ----- Basin wide percent of average 138 174* UPPER N. PLATTE RIVER COLUMBINE 9400 28.2 21.9 129 26.8 21.1 127 DIVIDE PEAK 8800 23.1 17.5 132 22.4 19.4 115 ELK RIVER 8700 26.7 17.3 154 23.1 16.1 143 JOE WRIGHT 10120 21.3 18.2 117 26.3 21.0 125 NORTH FRENCH CREEK 10100 31.8 21.3 149 25.9 19.6 132 OLD BATTLE 10000 33.9 27.1 125 32.3 25.4 127 SOUTH BRUSH CREEK 8400 13.6 10.0 136 15.9 13.4 119 TOWER 10500 51.4 38.7 133 36.3 31.0 117 WEBBER SPRINGS 9200 29.2 23.2 126 33.1 21.4 155 WILLOW CREEK PASS 9540 16.6 9.7 171 13.4 10.3 130 ----- ----- Basin wide percent of average 135 129 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 30.8 20.9 147 23.8 16.1 148 CASPER MTN. 7900 18.9 12.9 147 17.6 11.3 156 CHRISTINA LAKE 9980 18.6 13.2 141 19.5 13.9 140 DEADMAN HILL 10220 14.5 14.0 104 16.2 13.6 119 LAPRELE CREEK 8320 14.1 8.8 160 13.2 9.5 139 RENO HILL 8400 19.7 11.3 174 16.9 15.3 110 ROACH 9700 19.9 14.6 136 20.2 17.9 113 SAND LAKE 10080 33.0 27.9 118 25.9 17.1 151 SOUTH PASS 9040 24.6 14.4 171 23.1 14.3 162 WINDY PEAK 7840 9.4 6.7 140 10.6 7.5 141 ----- ----- Basin wide percent of average 141 137 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 16.6 10.2 163 17.0 13.0 131 DIVIDE PEAK 8800 23.1 17.5 132 22.4 19.4 115 OLD BATTLE 10000 33.9 27.1 125 32.3 25.4 127 SANDSTONE RS 8150 19.4 12.7 153 21.1 15.9 133 WHISKEY PARK 8950 35.8 24.6 146 30.4 23.4 130 ----- ----- Basin wide percent of average 140 127 UPPER GREEN RIVER BIG SANDY OPENING 9100 17.8 12.6 141 16.5 14.8 111 BLIND BULL SUM 8650 38.4 25.3 152 -M 21.6 * EAST RIM DIVIDE 7930 15.8 12.4 127 16.1 13.9 116 ELKHART PARK G.S. 9400 17.0 11.9 143 16.7 14.6 114 GROS VENTRE SUMMIT 8775 20.1 13.4 150 18.8 14.5 130 KENDALL R.S. 7740 22.6 13.2 171 17.3 14.2 122 LOOMIS PARK 8240 -M 15.5 * 19.7 17.2 115 NEW FORK LAKE 8340 13.5 10.2 132 12.5 13.2 95 SNIDER BASIN 8250 21.5 13.2 163 18.3 13.9 132 SPRING CREEK DIVIDE 9000 32.9 24.2 136 -M 24.7 * TRIPLE PEAK 8500 32.5 22.5 144 33.9 28.5 119 ----- ----- Basin wide percent of average 146 117 LOWER GREEN RIVER HAMS FORK 7840 16.3 11.0 148 14.1 12.2 116 HEWINTA 9500 12.9 9.0 143 13.4 10.7 125 HICKERSON PARK 9150 7.5 5.3 142 8.8 7.6 116 HOLE-IN-ROCK 9150 7.9 4.9 161 9.2 7.6 121 INDIAN CREEK 9425 36.9 24.0 154 29.9 23.2 129 KELLEY R.S. 8180 22.5 14.8 152 24.3 17.2 141 STEEL CREEK PARK 10100 15.2 13.2 115 14.7 10.7 137 ----- ----- Basin wide percent of average 145 128 UPPER BEAR RIVER BUG LAKE 7950 31.2 17.7 176 27.9 16.5 169 HAYDEN FORK 9400 19.9 14.3 139 24.3 15.8 154 KELLEY R.S. 8180 22.5 14.8 152 24.3 17.2 141 LILY LAKE 9050 16.8 11.0 153 18.5 12.2 152 MONTE CRISTO 8960 39.1 24.5 160 31.4 21.6 145 SALT RIVER SUMMIT 7600 20.9 12.5 167 22.3 15.5 144 TRIAL LAKE 9960 34.7 22.1 157 33.8 20.4 166 ----- ----- Basin wide percent of average 158 153 ----------------------------------------------------------------------------- -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.