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 WEDNESDAY: AUGUST 27 , 1997 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 .1 .0 * 50.2 32.1 156 COTTONWOOD CREEK 7600 .0 .0 100* 49.5 35.6 139 GRANITE CREEK 6770 .0 .0 100* 43.6 35.7 122 GRASSY LAKE 7265 .0 .0 100* 74.1 53.0 140 GROS VENTRE SUMMIT 8775 .0 .0 100* 32.5 24.1 135 LEWIS LAKE DIVIDE 7860 .1 .0 * 74.0 53.8 138 PHILLIPS BENCH 8200 .0 .0 100* 62.7 42.4 148 SALT RIVER SUMMIT 7600 .1 .0 * 35.5 25.6 139 SNAKE RIVER STATION 6920 -M .0 * -M 37.2 * SPRING CREEK DIVIDE 9000 .0 .0 100* 45.1 38.2 118 THUMB DIVIDE 7980 -M .0 * -M 30.0 * TOGWOTEE PASS 9580 .1 .0 * 54.7 40.4 135 TWO OCEAN PLATEAU 9360 .0 .0 100* 61.8 44.2 140 WILLOW CREEK 8450 .0 .0 100* 68.4 45.6 150 ----- ----- Basin wide percent of average * 139 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 .0 .0 100* -M 31.0 * BLACK BEAR 7950 -M .0 * 86.6 58.4 148 CANYON 7940 .0 .0 100* 36.2 25.1 144 FISHER CREEK 9100 -M .0 * -M 55.7 * MADISON PLATEAU 7750 .0 .0 100* 54.5 39.8 137 NORTHEAST ENTRANCE 7350 -M .0 * 34.0 22.7 150 PARKER PEAK 9400 .2 .0 * 37.4 28.8 130 SYLVAN LAKE 8420 .0 .0 100* 49.1 34.1 144 THUMB DIVIDE 7980 -M .0 * -M 30.0 * TWO OCEAN PLATEAU 9360 .0 .0 100* 61.8 44.2 140 WHISKEY CREEK 6800 .0 .0 100* 42.1 34.1 123 WHITE MILL 8700 -M .0 * -M 44.1 * WOLVERINE 7650 .0 .0 100* 26.9 24.3 111 ----- ----- Basin wide percent of average * 138 WIND RIVER BURROUGHS CREEK 8750 .0 .0 100* 38.9 27.2 143 CHRISTINA LAKE 9980 -M .0 * -M 28.7 * COLD SPRINGS 9630 .1 .0 * 25.7 20.7 124 HOBBS PARK 10100 .0 .0 100* 26.3 26.2 100 LITTLE WARM 9620 .0 .0 100* 33.2 24.5 136 SOUTH PASS 9040 .0 .0 100* 34.2 29.0 118 ST. LAWRENCE ALT 8620 .2 .0 * 23.9 19.2 124 TOGWOTEE PASS 9580 .1 .0 * 54.7 40.4 135 TOWNSEND CREEK 8700 .1 .0 * 25.5 23.3 109 ----- ----- Basin wide percent of average * 125 BIGHORN BASIN BALD MTN. 9375 .1 .0 * 37.1 30.5 122 BEAR TRAP MEADOW 7900 .0 .0 100* 23.8 18.7 127 BLACKWATER 9780 .0 .0 100* 46.9 33.6 140 BONE SPRINGS DIV 9350 .1 .0 * 33.0 29.1 113 EVENING STAR 9200 .0 .0 100* 57.3 40.6 141 GRAVE SPRINGS 8550 .1 -M * 24.0 21.9 110 KIRWIN 9550 .0 .0 100* 31.6 23.3 136 LOST CREEK 8080 -M .0 * -M 24.1 * MARQUETTE 8760 .2 .0 * 29.5 23.5 126 MIDDLE POWDER 7760 .0 .0 100* 31.2 23.7 132 OWL CREEK 8975 .0 .0 100* 18.6 15.4 121 POWDER RIVER PASS 9480 .2 .0 * 33.6 23.5 143 SHELL CREEK 9580 .1 .0 * 28.4 26.0 109 SYLVAN LAKE 8420 .0 .0 100* 49.1 34.1 144 SYLVAN ROAD 8120 .0 .0 100* 38.6 29.4 131 TIMBER CREEK 7950 .4 .0 * 22.0 18.9 116 YOUNTS PEAK 8350 -M .0 * 41.7 28.6 146 ----- ----- Basin wide percent of average * 130 SHOSHONE RIVER BLACKWATER 9780 .0 .0 100* 46.9 33.6 140 EVENING STAR 9200 .0 .0 100* 57.3 40.6 141 KIRWIN 9550 .0 .0 100* 31.6 23.3 136 MARQUETTE 8760 .2 .0 * 29.5 23.5 126 SYLVAN LAKE 8420 .0 .0 100* 49.1 34.1 144 SYLVAN ROAD 8120 .0 .0 100* 38.6 29.4 131 YOUNTS PEAK 8350 -M .0 * 41.7 28.6 146 ----- ----- Basin wide percent of average * 138 POWDER-TONGUE BEAR TRAP MEADOW 7900 .0 .0 100* 23.8 18.7 127 BONE SPRINGS DIV 9350 .1 .0 * 33.0 29.1 113 BURGESS JUNCTION 7880 .0 .0 100* 28.9 22.9 126 CLOUD PEAK RESERVOIR 9860 .0 .0 100* 35.2 27.7 127 DOME LAKE 8880 .0 .0 100* 31.7 25.5 124 GRAVE SPRINGS 8550 .1 -M * 24.0 21.9 110 HANSEN SAWMILL 8760 .0 .0 100* 25.4 18.7 136 LOST CREEK 8080 -M .0 * -M 24.1 * MIDDLE POWDER 7760 .0 .0 100* 31.2 23.7 132 POWDER RIVER PASS 9480 .2 .0 * 33.6 23.5 143 SUCKER CREEK 8880 .0 .0 100* 32.3 26.6 121 TIE CREEK 6870 .1 -M * 33.9 22.0 154 ----- ----- Basin wide percent of average * 128 BELLE FOURCHE BLIND PARK 6890 .2 .0 * 31.2 26.3 119 NORTH RAPID CREEK 6130 .2 -M * 37.4 -M * WARREN PEAK 6520 -M .0 * -M 20.1 * ----- ----- Basin wide percent of average * 119* UPPER N. PLATTE RIVER COLUMBINE 9400 .0 .0 100* -M 35.5 * DIVIDE PEAK 8800 .0 .0 100* 35.6 34.9 102 ELK RIVER 8700 .0 .0 100* 37.8 29.0 130 JOE WRIGHT 10120 .0 .0 100* 44.1 42.5 104 NORTH FRENCH CREEK 10100 .0 .0 100* 45.5 37.7 121 OLD BATTLE 10000 .0 .0 100* 54.8 45.1 122 SOUTH BRUSH CREEK 8400 .1 .0 * 29.0 28.8 101 TOWER 10500 .4 .0 * -M 55.6 * WEBBER SPRINGS 9200 .0 .0 100* 47.5 38.6 123 WILLOW CREEK PASS 9540 .0 .0 100* -M 24.0 * ----- ----- Basin wide percent of average * 115 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 .0 .0 100* 43.8 32.1 136 CASPER MTN. 7900 .0 .0 100* 32.3 28.1 115 CHRISTINA LAKE 9980 -M .0 * -M 28.7 * DEADMAN HILL 10220 .0 .0 100* 31.9 30.5 105 LAPRELE CREEK 8320 .0 .0 100* 25.5 23.5 109 RENO HILL 8400 .1 .0 * 32.2 29.3 110 ROACH 9700 .0 .0 100* 35.6 35.5 100 SAND LAKE 10080 .1 .0 * 45.2 33.1 137 SOUTH PASS 9040 .0 .0 100* 34.2 29.0 118 WINDY PEAK 7840 .2 .0 * 23.4 20.7 113 ----- ----- Basin wide percent of average * 116 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .1 .0 * 19.7 23.9 82 DIVIDE PEAK 8800 .0 .0 100* 35.6 34.9 102 OLD BATTLE 10000 .0 .0 100* 54.8 45.1 122 SANDSTONE RS 8150 .0 .0 100* 31.7 30.5 104 WHISKEY PARK 8950 .0 .0 100* 49.1 42.7 115 ----- ----- Basin wide percent of average * 108 UPPER GREEN RIVER BIG SANDY OPENING 9100 .0 .0 100* 24.7 24.6 100 BLIND BULL SUM 8650 .0 .0 100* 48.3 33.3 145 EAST RIM DIVIDE 7930 .2 .0 * 27.9 23.0 121 ELKHART PARK G.S. 9400 .1 .0 * 30.5 24.2 126 GROS VENTRE SUMMIT 8775 .0 .0 100* 32.5 24.1 135 KENDALL R.S. 7740 .1 .0 * 34.1 23.5 145 LOOMIS PARK 8240 .2 .0 * 40.3 28.5 141 NEW FORK LAKE 8340 .0 .0 100* 23.6 21.9 108 SNIDER BASIN 8250 .1 .0 * 26.3 23.0 114 SPRING CREEK DIVIDE 9000 .0 .0 100* 45.1 38.2 118 TRIPLE PEAK 8500 .0 .0 100* 54.0 44.6 121 ----- ----- Basin wide percent of average * 125 LOWER GREEN RIVER HAMS FORK 7840 .0 .0 100* 24.3 20.2 120 HEWINTA 9500 .1 .0 * 26.5 24.1 110 HICKERSON PARK 9150 .0 .0 100* 18.8 20.3 93 HOLE-IN-ROCK 9150 .0 .0 100* 19.8 20.3 98 INDIAN CREEK 9425 .0 .0 100* 43.2 37.0 117 KELLEY R.S. 8180 .0 .0 100* 40.6 28.4 143 STEEL CREEK PARK 10100 .0 .0 100* 26.9 28.0 96 ----- ----- Basin wide percent of average * 112 UPPER BEAR RIVER BUG LAKE 7950 .2 .0 * 42.1 27.9 151 HAYDEN FORK 9400 .0 .0 100* 37.9 31.3 121 KELLEY R.S. 8180 .0 .0 100* 40.6 28.4 143 LILY LAKE 9050 -M .0 * 30.5 25.9 118 MONTE CRISTO 8960 .1 .0 * 48.1 38.0 127 SALT RIVER SUMMIT 7600 .1 .0 * 35.5 25.6 139 TRIAL LAKE 9960 .3 .0 * 47.2 37.2 127 ----- ----- Basin wide percent of average * 132 ----------------------------------------------------------------------------- -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.