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: NOVEMBER 3 , 1997 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 .4 .9 44* 2.6 2.3 113 COTTONWOOD CREEK 7600 1.0 .9 111* 3.0 2.5 120 GRANITE CREEK 6770 .2 .8 25* 2.3 2.6 88 GRASSY LAKE 7265 1.9 1.5 127* 3.9 3.8 103 GROS VENTRE SUMMIT 8775 -M 1.3 * 1.4 1.8 78 LEWIS LAKE DIVIDE 7860 2.1 1.8 117* 3.6 3.9 92 PHILLIPS BENCH 8200 1.3 1.4 93* 2.5 3.0 83 SALT RIVER SUMMIT 7600 .4 .1 400* 2.1 1.9 111 SNAKE RIVER STATION 6920 -M .8 * -M 2.6 * SPRING CREEK DIVIDE 9000 1.3 1.7 76* 2.2 2.5 88 THUMB DIVIDE 7980 -M .7 * -M 2.2 * TOGWOTEE PASS 9580 3.2 2.5 128* 3.1 2.9 107 TWO OCEAN PLATEAU 9360 4.7 3.8 124 4.7 3.2 147 WILLOW CREEK 8450 1.1 1.5 73* 4.3 3.2 134 ----- ----- Basin wide percent of average 104* 106 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 3.7 3.3 112 3.0 2.1 143 BLACK BEAR 7950 3.7 3.1 119* 4.5 3.9 115 CANYON 7940 1.7 .9 189* 3.1 2.0 155 FISHER CREEK 9100 5.3 3.0 177* 5.0 3.4 147 MADISON PLATEAU 7750 1.9 1.7 112* 3.3 2.8 118 NORTHEAST ENTRANCE 7350 .2 .4 50* 3.6 1.6 225 PARKER PEAK 9400 3.4 4.0 85 3.4 2.4 142 SYLVAN LAKE 8420 2.7 2.8 96 -M 2.9 * THUMB DIVIDE 7980 -M .7 * -M 2.2 * TWO OCEAN PLATEAU 9360 4.7 3.8 124 4.7 3.2 147 WHISKEY CREEK 6800 .7 1.0 70* 2.6 2.4 108 WHITE MILL 8700 4.9 2.2 223* 5.1 3.0 170 WOLVERINE 7650 .2 .4 50* 2.5 1.8 139 ----- ----- Basin wide percent of average 124* 143 WIND RIVER BURROUGHS CREEK 8750 2.0 1.1 182* 2.6 1.8 144 COLD SPRINGS 9630 2.0 1.0 200 2.7 2.0 135 DEER PARK 9700 .0 -M * .0 -M * HOBBS PARK 10100 2.9 2.3 126 3.2 2.2 145 LITTLE WARM 9620 1.4 1.2 117* 2.7 2.0 135 SOUTH PASS 9040 2.5 2.8 89 3.6 2.4 150 ST. LAWRENCE ALT 8620 2.2 .9 244 2.8 1.8 156 TOGWOTEE PASS 9580 3.2 2.5 128* 3.1 2.9 107 TOWNSEND CREEK 8700 1.8 1.1 164 3.2 2.0 160 ----- ----- Basin wide percent of average 140 140 BIGHORN BASIN BALD MTN. 9375 4.5 2.8 161 4.3 2.5 172 BEAR TRAP MEADOW 7900 .7 .8 88 1.4 1.7 82 BLACKWATER 9780 4.4 2.7 163 3.6 2.6 138 BONE SPRINGS DIV 9350 3.7 2.9 128 4.2 2.3 183 EVENING STAR 9200 4.1 4.2 98 5.5 3.2 172 GRAVE SPRINGS 8550 1.2 -M * 2.2 2.0 110 KIRWIN 9550 2.6 1.6 162 3.0 1.7 176 LOST CREEK 8080 -M 1.5 * -M 2.1 * MARQUETTE 8760 3.8 1.1 345 4.4 1.9 232 MIDDLE POWDER 7760 .9 1.5 60* 1.9 2.2 86 OWL CREEK 8975 1.6 .5 320 1.9 1.1 173 POWDER RIVER PASS 9480 1.1 1.3 85 1.9 2.0 95 SHELL CREEK 9580 3.2 2.7 119 2.5 2.0 125 SYLVAN LAKE 8420 2.7 2.8 96 -M 2.9 * SYLVAN ROAD 8120 .4 1.7 24 3.5 2.4 146 TIMBER CREEK 7950 2.4 .4 600* 3.2 1.4 229 YOUNTS PEAK 8350 2.9 2.5 116 2.9 2.1 138 ----- ----- Basin wide percent of average 132 149 SHOSHONE RIVER BLACKWATER 9780 4.4 2.7 163 3.6 2.6 138 EVENING STAR 9200 4.1 4.2 98 5.5 3.2 172 KIRWIN 9550 2.6 1.6 162 3.0 1.7 176 MARQUETTE 8760 3.8 1.1 345 4.4 1.9 232 SYLVAN LAKE 8420 2.7 2.8 96 -M 2.9 * SYLVAN ROAD 8120 .4 1.7 24 3.5 2.4 146 YOUNTS PEAK 8350 2.9 2.5 116 2.9 2.1 138 ----- ----- Basin wide percent of average 126 165 POWDER-TONGUE BEAR TRAP MEADOW 7900 .7 .8 88 1.4 1.7 82 BONE SPRINGS DIV 9350 3.7 2.9 128 4.2 2.3 183 BURGESS JUNCTION 7880 1.3 1.7 76 2.9 2.1 138 CLOUD PEAK RESERVOIR 9860 1.7 1.4 121* 3.9 2.2 177 DOME LAKE 8880 2.5 2.0 125 3.7 2.5 148 GRAVE SPRINGS 8550 1.2 -M * 2.2 2.0 110 HANSEN SAWMILL 8760 1.0 .9 111 2.3 1.7 135 LOST CREEK 8080 -M 1.5 * -M 2.1 * MIDDLE POWDER 7760 .9 1.5 60* 1.9 2.2 86 POWDER RIVER PASS 9480 1.1 1.3 85 1.9 2.0 95 SUCKER CREEK 8880 2.2 1.3 169* 3.6 2.3 157 TIE CREEK 6870 1.2 -M * 3.5 2.0 175 ----- ----- Basin wide percent of average 109 137 BELLE FOURCHE BLIND PARK 6890 1.0 1.7 59 2.5 1.9 132 NORTH RAPID CREEK 6130 .8 -M * 1.5 -M * WARREN PEAK 6520 .4 1.7 24 2.0 1.5 133 ----- ----- Basin wide percent of average 41 132 UPPER N. PLATTE RIVER COLUMBINE 9400 1.3 1.8 72* 3.5 2.7 130 DIVIDE PEAK 8800 2.4 2.3 104 3.4 3.3 103 ELK RIVER 8700 .1 .6 17* 3.1 2.5 124 JOE WRIGHT 10120 2.7 3.4 79 4.8 3.8 126 NORTH FRENCH CREEK 10100 2.5 2.5 100* 4.0 2.6 154 OLD BATTLE 10000 3.1 3.9 79 5.0 3.6 139 SOUTH BRUSH CREEK 8400 .3 .5 60* 1.9 2.5 76 TOWER 10500 5.5 6.5 85 5.8 4.4 132 WEBBER SPRINGS 9200 1.5 2.3 65* 4.1 3.4 121 WILLOW CREEK PASS 9540 1.9 1.2 158* 2.0 1.9 105 ----- ----- Basin wide percent of average 85* 122 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 1.7 2.3 74* 3.3 2.6 127 CASPER MTN. 7900 2.7 1.5 180* 3.1 2.7 115 DEADMAN HILL 10220 3.8 1.6 238* 3.2 2.6 123 DEER PARK 9700 .0 -M * .0 -M * LAPRELE CREEK 8320 1.3 1.0 130* 2.2 1.6 138 RENO HILL 8400 2.0 1.9 105 2.3 2.8 82 ROACH 9700 1.8 1.6 112* 3.2 2.9 110 SAND LAKE 10080 4.2 3.5 120* 4.8 2.8 171 SOUTH PASS 9040 2.5 2.8 89 3.6 2.4 150 WINDY PEAK 7840 .8 .4 200* 2.0 1.3 154 ----- ----- Basin wide percent of average 125* 128 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .0 .5 0* 3.2 2.0 160 DIVIDE PEAK 8800 2.4 2.3 104 3.4 3.3 103 OLD BATTLE 10000 3.1 3.9 79 5.0 3.6 139 SANDSTONE RS 8150 .0 1.0 0* 3.2 1.9 168 WHISKEY PARK 8950 1.5 2.6 58* 3.9 2.2 177 ----- ----- Basin wide percent of average 68* 144 UPPER GREEN RIVER BIG SANDY OPENING 9100 1.7 .9 189* 2.3 1.8 128 BLIND BULL SUM 8650 1.7 2.7 63* 2.1 2.3 91 EAST RIM DIVIDE 7930 .8 .5 160* .9 1.7 53 ELKHART PARK G.S. 9400 1.3 1.1 118* 2.1 1.8 117 GROS VENTRE SUMMIT 8775 -M 1.3 * 1.4 1.8 78 KENDALL R.S. 7740 1.1 .2 550* 2.3 1.7 135 LOOMIS PARK 8240 1.1 .7 157* 1.6 2.0 80 NEW FORK LAKE 8340 1.2 .1 1200* 1.4 1.6 88 SNIDER BASIN 8250 .0 .2 0* 1.2 1.7 71 SPRING CREEK DIVIDE 9000 1.3 1.7 76* 2.2 2.5 88 TRIPLE PEAK 8500 2.0 1.3 154* 2.4 3.2 75 ----- ----- Basin wide percent of average 130* 90 LOWER GREEN RIVER HAMS FORK 7840 .1 .1 100* 1.1 1.5 73 HEWINTA 9500 .6 .3 200* 3.7 2.5 148 HICKERSON PARK 9150 2.8 .3 933* 3.8 2.2 173 HOLE-IN-ROCK 9150 1.2 .2 600* 3.3 2.2 150 INDIAN CREEK 9425 1.7 2.0 85* 1.5 2.6 58 KELLEY R.S. 8180 .7 .7 100* 1.4 2.0 70 STEEL CREEK PARK 10100 1.8 2.2 82 4.5 2.5 180 ----- ----- Basin wide percent of average 153* 125 UPPER BEAR RIVER BUG LAKE 7950 1.3 1.3 100* 2.1 3.5 60 HAYDEN FORK 9400 .2 1.1 18* 3.3 2.7 122 KELLEY R.S. 8180 .7 .7 100* 1.4 2.0 70 LILY LAKE 9050 1.0 1.1 91* 3.1 2.9 107 MONTE CRISTO 8960 .5 1.6 31* 2.6 3.8 68 SALT RIVER SUMMIT 7600 .4 .1 400* 2.1 1.9 111 TRIAL LAKE 9960 1.5 2.2 68* 2.6 3.2 81 ----- ----- Basin wide percent of average 69* 86 ----------------------------------------------------------------------------- -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.