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 TUESDAY: JULY 1 , 1997 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 .2 .0 * 44.3 29.6 150 COTTONWOOD CREEK 7600 .0 .0 100* 45.8 32.9 139 GRANITE CREEK 6770 .0 .0 100* 39.6 32.1 123 GRASSY LAKE 7265 .0 .0 100* 68.3 49.0 139 GROS VENTRE SUMMIT 8775 .0 .0 100* 27.8 21.7 128 LEWIS LAKE DIVIDE 7860 .2 .0 * 69.0 49.8 139 PHILLIPS BENCH 8200 .0 .0 100* 57.3 39.2 146 SALT RIVER SUMMIT 7600 .0 .0 100* 31.8 23.0 138 SNAKE RIVER STATION 6920 -M .0 * -M 34.4 * SPRING CREEK DIVIDE 9000 -M .0 * 41.5 35.6 117 THUMB DIVIDE 7980 .0 .0 100* 42.5 27.7 153 TOGWOTEE PASS 9580 .2 .0 * 44.4 37.4 119 TWO OCEAN PLATEAU 9360 -M .0 * 55.7 40.8 137 WILLOW CREEK 8450 .0 .0 100* 61.9 42.3 146 ----- ----- Basin wide percent of average * 137 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 .5 1.7 29* 39.9 27.5 145 BLACK BEAR 7950 -M 1.2 * 81.6 54.4 150 CANYON 7940 .2 .0 * 32.6 21.5 152 FISHER CREEK 9100 -M 5.9 * 63.5 50.9 125 MADISON PLATEAU 7750 .0 .0 100* 49.6 36.3 137 NORTHEAST ENTRANCE 7350 .1 .0 * 28.0 19.0 147 PARKER PEAK 9400 .1 3.5 3 32.9 24.7 133 SYLVAN LAKE 8420 .0 .0 100* 44.0 29.5 149 THUMB DIVIDE 7980 .0 .0 100* 42.5 27.7 153 TWO OCEAN PLATEAU 9360 -M .0 * 55.7 40.8 137 WHISKEY CREEK 6800 .2 .0 * 39.7 30.6 130 WHITE MILL 8700 1.0 2.0 50* 42.9 39.8 108 WOLVERINE 7650 .3 .0 * 23.3 20.5 114 ----- ----- Basin wide percent of average 22* 136 WIND RIVER BURROUGHS CREEK 8750 .0 .0 100* 33.4 24.2 138 CHRISTINA LAKE 9980 .0 .0 100* 31.3 25.7 122 COLD SPRINGS 9630 .2 .0 * 21.9 18.1 121 HOBBS PARK 10100 .0 .1 0* 23.8 23.1 103 LITTLE WARM 9620 .3 .0 * 29.5 21.2 139 SOUTH PASS 9040 .2 .0 * 32.0 26.3 122 ST. LAWRENCE ALT 8620 .0 .0 100* 20.1 16.7 120 TOGWOTEE PASS 9580 .2 .0 * 44.4 37.4 119 TOWNSEND CREEK 8700 .0 .0 100* 22.0 20.8 106 ----- ----- Basin wide percent of average 0* 121 BIGHORN BASIN BALD MTN. 9375 .0 .8 0* 29.8 27.7 108 BEAR TRAP MEADOW 7900 .1 .0 * 17.5 16.4 107 BLACKWATER 9780 .5 2.2 23* 39.9 27.9 143 BONE SPRINGS DIV 9350 .0 .0 100* 26.9 25.2 107 EVENING STAR 9200 .2 6.0 3 51.9 34.2 152 GRAVE SPRINGS 8550 .0 -M * 18.3 19.2 95 KIRWIN 9550 .2 .0 * 26.6 18.5 144 LOST CREEK 8080 -M .0 * -M 21.4 * MARQUETTE 8760 .0 .0 100* 22.7 19.9 114 MIDDLE POWDER 7760 .0 .0 100* 24.9 21.1 118 OWL CREEK 8975 .2 .0 * 15.0 12.6 119 POWDER RIVER PASS 9480 .0 .0 100* 26.3 21.0 125 SHELL CREEK 9580 .0 .0 100* 23.7 23.2 102 SYLVAN LAKE 8420 .0 .0 100* 44.0 29.5 149 SYLVAN ROAD 8120 .2 .0 * 34.4 24.9 138 TIMBER CREEK 7950 .2 .0 * 17.5 15.9 110 YOUNTS PEAK 8350 .7 .0 * 35.5 24.8 143 ----- ----- Basin wide percent of average 8* 126 SHOSHONE RIVER BLACKWATER 9780 .5 2.2 23* 39.9 27.9 143 EVENING STAR 9200 .2 6.0 3 51.9 34.2 152 KIRWIN 9550 .2 .0 * 26.6 18.5 144 MARQUETTE 8760 .0 .0 100* 22.7 19.9 114 SYLVAN LAKE 8420 .0 .0 100* 44.0 29.5 149 SYLVAN ROAD 8120 .2 .0 * 34.4 24.9 138 YOUNTS PEAK 8350 .7 .0 * 35.5 24.8 143 ----- ----- Basin wide percent of average 9* 142 POWDER-TONGUE BEAR TRAP MEADOW 7900 .1 .0 * 17.5 16.4 107 BONE SPRINGS DIV 9350 .0 .0 100* 26.9 25.2 107 BURGESS JUNCTION 7880 .0 .0 100* 22.5 20.1 112 CLOUD PEAK RESERVOIR 9860 .1 .0 * 27.6 24.5 113 DOME LAKE 8880 .1 .0 * 24.4 22.7 107 GRAVE SPRINGS 8550 .0 -M * 18.3 19.2 95 HANSEN SAWMILL 8760 .0 .0 100* 19.7 16.0 123 LOST CREEK 8080 -M .0 * -M 21.4 * MIDDLE POWDER 7760 .0 .0 100* 24.9 21.1 118 POWDER RIVER PASS 9480 .0 .0 100* 26.3 21.0 125 SUCKER CREEK 8880 .0 .0 100* 27.3 23.5 116 TIE CREEK 6870 .1 -M * 25.9 19.3 134 ----- ----- Basin wide percent of average * 114 BELLE FOURCHE BLIND PARK 6890 .2 .0 * 24.4 22.2 110 NORTH RAPID CREEK 6130 -M -M * -M -M * WARREN PEAK 6520 .0 .0 100* 30.5 16.7 183 ----- ----- Basin wide percent of average * 141 UPPER N. PLATTE RIVER COLUMBINE 9400 .0 .0 100* 43.1 32.3 133 DIVIDE PEAK 8800 .0 .0 100* 33.3 32.1 104 ELK RIVER 8700 .0 .0 100* 34.6 26.2 132 JOE WRIGHT 10120 .0 1.3 0* 44.1 37.3 118 NORTH FRENCH CREEK 10100 .9 .0 * 41.2 34.3 120 OLD BATTLE 10000 .0 2.6 0* 50.5 41.9 121 SOUTH BRUSH CREEK 8400 .0 .0 100* 26.1 25.8 101 TOWER 10500 23.1 10.2 226 66.8 51.6 129 WEBBER SPRINGS 9200 .0 .0 100* 45.0 35.7 126 WILLOW CREEK PASS 9540 .2 .0 * 24.7 20.4 121 ----- ----- Basin wide percent of average 164* 121 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 .3 .0 * 38.5 28.9 133 CASPER MTN. 7900 .0 .0 100* 30.8 25.5 121 CHRISTINA LAKE 9980 .0 .0 100* 31.3 25.7 122 DEADMAN HILL 10220 .3 .0 * 28.7 26.7 107 LAPRELE CREEK 8320 .0 .0 100* 22.3 20.5 109 RENO HILL 8400 2.6 .0 * 30.6 26.8 114 ROACH 9700 .0 .0 100* 31.5 32.2 98 SAND LAKE 10080 .0 2.7 0* 41.3 30.9 134 SOUTH PASS 9040 .2 .0 * 32.0 26.3 122 WINDY PEAK 7840 .1 .0 * 18.6 18.0 103 ----- ----- Basin wide percent of average 0* 117 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .5 .0 * 17.4 21.8 80 DIVIDE PEAK 8800 .0 .0 100* 33.3 32.1 104 OLD BATTLE 10000 .0 2.6 0* 50.5 41.9 121 SANDSTONE RS 8150 .0 .0 100* 29.0 27.1 107 WHISKEY PARK 8950 .0 .0 100* 46.0 39.5 116 ----- ----- Basin wide percent of average 0* 108 UPPER GREEN RIVER BIG SANDY OPENING 9100 .0 .0 100* 22.7 22.1 103 BLIND BULL SUM 8650 .0 .0 100* 42.2 31.0 136 EAST RIM DIVIDE 7930 .0 .0 100* 23.4 20.7 113 ELKHART PARK G.S. 9400 .0 .0 100* 26.5 21.8 122 GROS VENTRE SUMMIT 8775 .0 .0 100* 27.8 21.7 128 KENDALL R.S. 7740 .0 .0 100* 30.7 21.2 145 LOOMIS PARK 8240 .0 .0 100* 35.7 25.7 139 NEW FORK LAKE 8340 .0 .0 100* 20.1 19.7 102 SNIDER BASIN 8250 .0 .0 100* 23.6 20.7 114 SPRING CREEK DIVIDE 9000 -M .0 * 41.5 35.6 117 TRIPLE PEAK 8500 .0 .0 100* 49.0 41.2 119 ----- ----- Basin wide percent of average * 122 LOWER GREEN RIVER HAMS FORK 7840 .0 .0 100* 21.6 18.2 119 HEWINTA 9500 .0 .0 100* 20.8 21.0 99 HICKERSON PARK 9150 .0 .0 100* 15.5 17.2 90 HOLE-IN-ROCK 9150 .0 .0 100* 16.4 17.2 95 INDIAN CREEK 9425 .0 .0 100* 40.0 34.2 117 KELLEY R.S. 8180 .0 .0 100* 37.3 25.6 146 STEEL CREEK PARK 10100 .1 .0 * 24.0 23.3 103 ----- ----- Basin wide percent of average * 112 UPPER BEAR RIVER BUG LAKE 7950 .1 .0 * 38.2 26.4 145 HAYDEN FORK 9400 .0 .0 100* 34.2 28.3 121 KELLEY R.S. 8180 .0 .0 100* 37.3 25.6 146 LILY LAKE 9050 .0 .0 100* 27.4 23.1 119 MONTE CRISTO 8960 .2 .0 * 43.7 35.7 122 SALT RIVER SUMMIT 7600 .0 .0 100* 31.8 23.0 138 TRIAL LAKE 9960 .0 .0 100* 43.2 33.7 128 ----- ----- 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.