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: JULY 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 .3 .0 * 44.8 30.0 149 COTTONWOOD CREEK 7600 .0 .0 100* 45.9 33.3 138 GRANITE CREEK 6770 .0 .0 100* 39.9 32.6 122 GRASSY LAKE 7265 .0 .0 100* 69.8 49.6 141 GROS VENTRE SUMMIT 8775 .0 .0 100* 28.1 22.1 127 LEWIS LAKE DIVIDE 7860 .4 .0 * 70.0 50.4 139 PHILLIPS BENCH 8200 .0 .0 100* 58.0 39.7 146 SALT RIVER SUMMIT 7600 .0 .0 100* 32.0 23.4 137 SNAKE RIVER STATION 6920 .0 .0 100* 46.9 34.8 135 SPRING CREEK DIVIDE 9000 .0 .0 100* 41.8 36.0 116 THUMB DIVIDE 7980 .0 .0 100* 42.9 28.1 153 TOGWOTEE PASS 9580 .2 .0 * 45.0 37.9 119 TWO OCEAN PLATEAU 9360 -M .0 * 56.4 41.3 137 WILLOW CREEK 8450 .0 .0 100* 62.6 42.8 146 ----- ----- Basin wide percent of average * 136 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 .2 .6 33* 41.3 28.1 147 BLACK BEAR 7950 -M .4 * 83.1 55.0 151 CANYON 7940 .3 .0 * 33.2 22.0 151 FISHER CREEK 9100 .7 2.1 33* 65.2 51.7 126 MADISON PLATEAU 7750 .0 .0 100* 50.2 36.8 136 NORTHEAST ENTRANCE 7350 .1 .0 * 29.7 19.6 152 PARKER PEAK 9400 .1 1.7 6* 34.0 25.4 134 SYLVAN LAKE 8420 .0 .0 100* 44.8 30.3 148 THUMB DIVIDE 7980 .0 .0 100* 42.9 28.1 153 TWO OCEAN PLATEAU 9360 -M .0 * 56.4 41.3 137 WHISKEY CREEK 6800 .2 .0 * 40.0 31.2 128 WHITE MILL 8700 .8 .7 114* 44.2 40.5 109 WOLVERINE 7650 .3 .0 * 23.7 21.2 112 ----- ----- Basin wide percent of average 35* 137 WIND RIVER BURROUGHS CREEK 8750 .0 .0 100* 33.6 24.7 136 CHRISTINA LAKE 9980 .0 .0 100* 31.5 26.3 120 COLD SPRINGS 9630 .1 .0 * 22.0 18.6 118 HOBBS PARK 10100 .0 .0 100* 23.8 23.6 101 LITTLE WARM 9620 .3 .0 * 29.5 21.8 135 SOUTH PASS 9040 .2 .0 * 31.8 26.8 119 ST. LAWRENCE ALT 8620 .0 .0 100* 20.2 17.2 117 TOGWOTEE PASS 9580 .2 .0 * 45.0 37.9 119 TOWNSEND CREEK 8700 .0 .0 100* 22.0 21.2 104 ----- ----- Basin wide percent of average * 119 BIGHORN BASIN BALD MTN. 9375 .1 .3 33* 31.6 28.2 112 BEAR TRAP MEADOW 7900 .1 .0 * 19.0 16.8 113 BLACKWATER 9780 .2 .9 22* 40.6 28.7 141 BONE SPRINGS DIV 9350 .1 .0 * 28.3 25.8 110 EVENING STAR 9200 .1 2.4 4* 52.6 35.2 149 GRAVE SPRINGS 8550 .1 -M * 19.0 19.6 97 KIRWIN 9550 .2 .0 * 26.7 19.4 138 LOST CREEK 8080 -M .0 * -M 21.9 * MARQUETTE 8760 .0 .0 100* 23.4 20.5 114 MIDDLE POWDER 7760 .0 .0 100* 25.8 21.5 120 OWL CREEK 8975 .2 .0 * 15.1 13.2 114 POWDER RIVER PASS 9480 .1 .0 * 28.5 21.4 133 SHELL CREEK 9580 .0 .0 100* 24.7 23.7 104 SYLVAN LAKE 8420 .0 .0 100* 44.8 30.3 148 SYLVAN ROAD 8120 .2 .0 * 34.9 25.6 136 TIMBER CREEK 7950 .3 .0 * 17.7 16.4 108 YOUNTS PEAK 8350 .6 .0 * 35.9 25.4 141 ----- ----- Basin wide percent of average 11* 126 SHOSHONE RIVER BLACKWATER 9780 .2 .9 22* 40.6 28.7 141 EVENING STAR 9200 .1 2.4 4* 52.6 35.2 149 KIRWIN 9550 .2 .0 * 26.7 19.4 138 MARQUETTE 8760 .0 .0 100* 23.4 20.5 114 SYLVAN LAKE 8420 .0 .0 100* 44.8 30.3 148 SYLVAN ROAD 8120 .2 .0 * 34.9 25.6 136 YOUNTS PEAK 8350 .6 .0 * 35.9 25.4 141 ----- ----- Basin wide percent of average 9* 140 POWDER-TONGUE BEAR TRAP MEADOW 7900 .1 .0 * 19.0 16.8 113 BONE SPRINGS DIV 9350 .1 .0 * 28.3 25.8 110 BURGESS JUNCTION 7880 .0 .0 100* 23.8 20.7 115 CLOUD PEAK RESERVOIR 9860 .1 .0 * 28.5 25.1 114 DOME LAKE 8880 .1 .0 * 25.8 23.2 111 GRAVE SPRINGS 8550 .1 -M * 19.0 19.6 97 HANSEN SAWMILL 8760 .0 .0 100* 20.7 16.4 126 LOST CREEK 8080 -M .0 * -M 21.9 * MIDDLE POWDER 7760 .0 .0 100* 25.8 21.5 120 POWDER RIVER PASS 9480 .1 .0 * 28.5 21.4 133 SUCKER CREEK 8880 .0 .0 100* 28.6 24.1 119 TIE CREEK 6870 .0 -M * 26.9 19.9 135 ----- ----- Basin wide percent of average * 117 BELLE FOURCHE BLIND PARK 6890 .3 .0 * 24.9 22.9 109 NORTH RAPID CREEK 6130 -M -M * -M -M * WARREN PEAK 6520 .1 .0 * 31.3 17.3 181 ----- ----- Basin wide percent of average * 140 UPPER N. PLATTE RIVER COLUMBINE 9400 .0 .0 100* 43.1 32.8 131 DIVIDE PEAK 8800 .0 .0 100* 33.2 32.5 102 ELK RIVER 8700 .1 .0 * 35.2 26.6 132 JOE WRIGHT 10120 .0 .5 0* 44.1 38.2 115 NORTH FRENCH CREEK 10100 .0 .0 100* 41.1 34.9 118 OLD BATTLE 10000 .0 .9 0* 50.5 42.4 119 SOUTH BRUSH CREEK 8400 .0 .0 100* 25.8 26.3 98 TOWER 10500 3.5 3.6 97* 66.2 52.2 127 WEBBER SPRINGS 9200 .0 .0 100* 44.9 36.2 124 WILLOW CREEK PASS 9540 .1 .0 * 24.5 20.9 117 ----- ----- Basin wide percent of average 70* 119 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 .1 .0 * 38.6 29.4 131 CASPER MTN. 7900 .0 .0 100* 30.8 26.0 118 CHRISTINA LAKE 9980 .0 .0 100* 31.5 26.3 120 DEADMAN HILL 10220 .3 .0 * 28.7 27.4 105 LAPRELE CREEK 8320 .0 .0 100* 22.7 21.0 108 RENO HILL 8400 .0 .0 100* 30.9 27.3 113 ROACH 9700 .0 .0 100* 31.4 32.8 96 SAND LAKE 10080 .0 1.0 0* 41.4 31.2 133 SOUTH PASS 9040 .2 .0 * 31.8 26.8 119 WINDY PEAK 7840 .1 .0 * 18.7 18.6 101 ----- ----- Basin wide percent of average 0* 115 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .5 .0 * 17.4 22.1 79 DIVIDE PEAK 8800 .0 .0 100* 33.2 32.5 102 OLD BATTLE 10000 .0 .9 0* 50.5 42.4 119 SANDSTONE RS 8150 .0 .0 100* 29.1 27.6 105 WHISKEY PARK 8950 .0 .0 100* 46.1 40.1 115 ----- ----- Basin wide percent of average 0* 107 UPPER GREEN RIVER BIG SANDY OPENING 9100 .0 .0 100* 22.7 22.5 101 BLIND BULL SUM 8650 .0 .0 100* 42.6 31.3 136 EAST RIM DIVIDE 7930 .0 .0 100* 23.4 21.0 111 ELKHART PARK G.S. 9400 .0 .0 100* 26.6 22.2 120 GROS VENTRE SUMMIT 8775 .0 .0 100* 28.1 22.1 127 KENDALL R.S. 7740 .2 .0 * 30.9 21.5 144 LOOMIS PARK 8240 .0 .0 100* 35.8 26.1 137 NEW FORK LAKE 8340 .0 .0 100* 20.4 20.0 102 SNIDER BASIN 8250 .0 .0 100* 23.7 21.0 113 SPRING CREEK DIVIDE 9000 .0 .0 100* 41.8 36.0 116 TRIPLE PEAK 8500 .0 .0 100* 49.8 41.7 119 ----- ----- Basin wide percent of average * 121 LOWER GREEN RIVER HAMS FORK 7840 .0 .0 100* 21.7 18.5 117 HEWINTA 9500 .0 .0 100* -M 21.5 * HICKERSON PARK 9150 .0 .0 100* -M 17.7 * HOLE-IN-ROCK 9150 .0 .0 100* -M 17.7 * INDIAN CREEK 9425 .0 .0 100* 40.2 34.6 116 KELLEY R.S. 8180 .0 .0 100* 37.3 26.0 143 STEEL CREEK PARK 10100 .0 .0 100* -M 24.1 * ----- ----- Basin wide percent of average * 125* UPPER BEAR RIVER BUG LAKE 7950 .1 .0 * 38.3 26.6 144 HAYDEN FORK 9400 .0 .0 100* -M 28.9 * KELLEY R.S. 8180 .0 .0 100* 37.3 26.0 143 LILY LAKE 9050 .0 .0 100* 27.4 23.5 117 MONTE CRISTO 8960 -M .0 * 43.8 36.0 122 SALT RIVER SUMMIT 7600 .0 .0 100* 32.0 23.4 137 TRIAL LAKE 9960 .0 .0 100* 43.1 34.2 126 ----- ----- Basin wide percent of average * 131 ----------------------------------------------------------------------------- -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.