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: JULY 7 , 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 * 44.8 29.9 150 COTTONWOOD CREEK 7600 -M .0 * -M 33.2 * GRANITE CREEK 6770 .0 .0 100* 39.7 32.4 123 GRASSY LAKE 7265 .0 .0 100* 69.6 49.4 141 GROS VENTRE SUMMIT 8775 .0 .0 100* 27.8 22.0 126 LEWIS LAKE DIVIDE 7860 .2 .0 * 70.0 50.2 139 PHILLIPS BENCH 8200 .0 .0 100* 57.9 39.5 147 SALT RIVER SUMMIT 7600 .0 .0 100* 32.0 23.3 137 SNAKE RIVER STATION 6920 .0 .0 100* 46.8 34.7 135 SPRING CREEK DIVIDE 9000 -M .0 * -M 35.9 * THUMB DIVIDE 7980 .0 .0 100* 42.9 28.0 153 TOGWOTEE PASS 9580 .1 .0 * 44.9 37.7 119 TWO OCEAN PLATEAU 9360 -M .0 * -M 41.1 * WILLOW CREEK 8450 .0 .0 100* 62.0 42.6 146 ----- ----- Basin wide percent of average * 138 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 .3 1.0 30* 40.9 27.9 147 BLACK BEAR 7950 -M .7 * 83.0 54.8 151 CANYON 7940 .2 .0 * 33.1 21.8 152 FISHER CREEK 9100 1.7 3.4 50* 65.2 51.4 127 MADISON PLATEAU 7750 .0 .0 100* 50.1 36.6 137 NORTHEAST ENTRANCE 7350 .1 .0 * 29.7 19.4 153 PARKER PEAK 9400 .2 2.3 9* 33.8 25.1 135 SYLVAN LAKE 8420 .0 .0 100* 44.8 30.0 149 THUMB DIVIDE 7980 .0 .0 100* 42.9 28.0 153 TWO OCEAN PLATEAU 9360 -M .0 * -M 41.1 * WHISKEY CREEK 6800 -M .0 * -M 31.0 * WHITE MILL 8700 .8 1.1 73* 44.1 40.3 109 WOLVERINE 7650 -M .0 * -M 20.9 * ----- ----- Basin wide percent of average 38* 139 WIND RIVER BURROUGHS CREEK 8750 -M .0 * -M 24.5 * CHRISTINA LAKE 9980 -M .0 * -M 26.1 * COLD SPRINGS 9630 .2 .0 * 22.0 18.4 120 HOBBS PARK 10100 .0 .1 0* 23.8 23.4 102 LITTLE WARM 9620 .3 .0 * 29.5 21.6 137 SOUTH PASS 9040 -M .0 * -M 26.6 * ST. LAWRENCE ALT 8620 .0 .0 100* 20.2 17.0 119 TOGWOTEE PASS 9580 .1 .0 * 44.9 37.7 119 TOWNSEND CREEK 8700 .0 .0 100* 22.2 21.1 105 ----- ----- Basin wide percent of average 0* 117 BIGHORN BASIN BALD MTN. 9375 .1 .5 20* 31.7 28.0 113 BEAR TRAP MEADOW 7900 .1 .0 * 18.9 16.7 113 BLACKWATER 9780 .2 1.3 15* 40.7 28.5 143 BONE SPRINGS DIV 9350 .1 .0 * 28.4 25.6 111 EVENING STAR 9200 .1 3.6 3 52.7 34.9 151 GRAVE SPRINGS 8550 .0 -M * 19.0 19.5 97 KIRWIN 9550 -M .0 * -M 19.1 * LOST CREEK 8080 -M .0 * -M 21.7 * MARQUETTE 8760 -M .0 * -M 20.3 * MIDDLE POWDER 7760 .0 .0 100* 25.7 21.4 120 OWL CREEK 8975 -M .0 * -M 13.0 * POWDER RIVER PASS 9480 .1 .0 * 28.3 21.3 133 SHELL CREEK 9580 .0 .0 100* 24.7 23.5 105 SYLVAN LAKE 8420 .0 .0 100* 44.8 30.0 149 SYLVAN ROAD 8120 .2 .0 * 35.0 25.4 138 TIMBER CREEK 7950 .2 .0 * 17.7 16.2 109 YOUNTS PEAK 8350 -M .0 * -M 25.2 * ----- ----- Basin wide percent of average 7* 126 SHOSHONE RIVER BLACKWATER 9780 .2 1.3 15* 40.7 28.5 143 EVENING STAR 9200 .1 3.6 3 52.7 34.9 151 KIRWIN 9550 -M .0 * -M 19.1 * MARQUETTE 8760 -M .0 * -M 20.3 * SYLVAN LAKE 8420 .0 .0 100* 44.8 30.0 149 SYLVAN ROAD 8120 .2 .0 * 35.0 25.4 138 YOUNTS PEAK 8350 -M .0 * -M 25.2 * ----- ----- Basin wide percent of average 6* 146 POWDER-TONGUE BEAR TRAP MEADOW 7900 .1 .0 * 18.9 16.7 113 BONE SPRINGS DIV 9350 .1 .0 * 28.4 25.6 111 BURGESS JUNCTION 7880 .1 .0 * 23.8 20.5 116 CLOUD PEAK RESERVOIR 9860 .1 .0 * 28.5 24.9 114 DOME LAKE 8880 .1 .0 * 25.8 23.0 112 GRAVE SPRINGS 8550 .0 -M * 19.0 19.5 97 HANSEN SAWMILL 8760 .0 .0 100* 20.7 16.3 127 LOST CREEK 8080 -M .0 * -M 21.7 * MIDDLE POWDER 7760 .0 .0 100* 25.7 21.4 120 POWDER RIVER PASS 9480 .1 .0 * 28.3 21.3 133 SUCKER CREEK 8880 .0 .0 100* 28.7 23.9 120 TIE CREEK 6870 .0 -M * 26.7 19.7 136 ----- ----- Basin wide percent of average * 118 BELLE FOURCHE BLIND PARK 6890 .3 .0 * 25.0 22.6 111 NORTH RAPID CREEK 6130 .0 -M * 24.2 -M * WARREN PEAK 6520 .1 .0 * 31.4 17.1 184 ----- ----- Basin wide percent of average * 142 UPPER N. PLATTE RIVER COLUMBINE 9400 .0 .0 100* 43.0 32.6 132 DIVIDE PEAK 8800 .0 .0 100* 33.4 32.4 103 ELK RIVER 8700 .1 .0 * 35.3 26.5 133 JOE WRIGHT 10120 .0 .7 0* 44.1 37.9 116 NORTH FRENCH CREEK 10100 .0 .0 100* 41.2 34.7 119 OLD BATTLE 10000 .0 1.5 0* 50.5 42.2 120 SOUTH BRUSH CREEK 8400 .0 .0 100* 26.0 26.1 100 TOWER 10500 -M 5.8 * -M 52.0 * WEBBER SPRINGS 9200 .0 .0 100* 44.9 36.0 125 WILLOW CREEK PASS 9540 .2 .0 * 24.6 20.7 119 ----- ----- Basin wide percent of average 0* 119 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 .3 .0 * 38.3 29.2 131 CASPER MTN. 7900 .0 .0 100* 30.5 25.8 118 CHRISTINA LAKE 9980 -M .0 * -M 26.1 * DEADMAN HILL 10220 .3 .0 * 28.7 27.2 106 LAPRELE CREEK 8320 .0 .0 100* 22.6 20.8 109 RENO HILL 8400 .0 .0 100* 31.0 27.1 114 ROACH 9700 .0 .0 100* 31.4 32.6 96 SAND LAKE 10080 .0 1.5 0* 41.6 31.1 134 SOUTH PASS 9040 -M .0 * -M 26.6 * WINDY PEAK 7840 .1 .0 * 18.7 18.4 102 ----- ----- Basin wide percent of average 0* 114 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .4 .0 * 17.4 22.0 79 DIVIDE PEAK 8800 .0 .0 100* 33.4 32.4 103 OLD BATTLE 10000 .0 1.5 0* 50.5 42.2 120 SANDSTONE RS 8150 .0 .0 100* 29.1 27.4 106 WHISKEY PARK 8950 .0 .0 100* 46.0 39.9 115 ----- ----- Basin wide percent of average 0* 108 UPPER GREEN RIVER BIG SANDY OPENING 9100 .0 .0 100* 22.7 22.4 101 BLIND BULL SUM 8650 -M .0 * -M 31.2 * EAST RIM DIVIDE 7930 .0 .0 100* 23.4 20.9 112 ELKHART PARK G.S. 9400 -M .0 * -M 22.1 * GROS VENTRE SUMMIT 8775 .0 .0 100* 27.8 22.0 126 KENDALL R.S. 7740 .1 .0 * 30.8 21.4 144 LOOMIS PARK 8240 .0 .0 100* 35.7 26.0 137 NEW FORK LAKE 8340 .0 .0 100* 20.1 19.9 101 SNIDER BASIN 8250 .0 .0 100* 23.7 20.9 113 SPRING CREEK DIVIDE 9000 -M .0 * -M 35.9 * TRIPLE PEAK 8500 .0 .0 100* 49.7 41.5 120 ----- ----- Basin wide percent of average * 120 LOWER GREEN RIVER HAMS FORK 7840 .0 .0 100* 21.7 18.4 118 HEWINTA 9500 .0 .0 100* 20.9 21.3 98 HICKERSON PARK 9150 .0 .0 100* 15.4 17.5 88 HOLE-IN-ROCK 9150 .0 .0 100* 16.4 17.5 94 INDIAN CREEK 9425 .0 .0 100* 40.1 34.5 116 KELLEY R.S. 8180 .0 .0 100* 37.3 25.9 144 STEEL CREEK PARK 10100 .0 .0 100* 24.0 23.8 101 ----- ----- Basin wide percent of average * 111 UPPER BEAR RIVER BUG LAKE 7950 .1 .0 * 38.3 26.5 145 HAYDEN FORK 9400 .0 .0 100* 34.1 28.7 119 KELLEY R.S. 8180 .0 .0 100* 37.3 25.9 144 LILY LAKE 9050 .0 .0 100* 27.5 23.4 118 MONTE CRISTO 8960 -M .0 * 43.8 35.9 122 SALT RIVER SUMMIT 7600 .0 .0 100* 32.0 23.3 137 TRIAL LAKE 9960 .0 .0 100* 43.1 34.0 127 ----- ----- Basin wide percent of average * 130 ----------------------------------------------------------------------------- -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.