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: JUNE 12 , 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 * 43.8 28.5 154 COTTONWOOD CREEK 7600 .1 .0 * 43.9 31.8 138 GRANITE CREEK 6770 .2 .4 50* 38.7 30.6 126 GRASSY LAKE 7265 .3 2.6 12* 67.2 47.3 142 GROS VENTRE SUMMIT 8775 .0 .0 100* 26.9 20.7 130 LEWIS LAKE DIVIDE 7860 9.4 4.2 224 68.5 48.1 142 PHILLIPS BENCH 8200 9.8 3.8 258 55.4 37.9 146 SALT RIVER SUMMIT 7600 .0 .0 100* 30.6 22.0 139 SNAKE RIVER STATION 6920 .1 .0 * 45.1 33.2 136 SPRING CREEK DIVIDE 9000 2.4 4.1 59 39.9 34.5 116 THUMB DIVIDE 7980 .1 .0 * 41.0 26.7 154 TOGWOTEE PASS 9580 16.1 15.6 103 43.3 36.1 120 TWO OCEAN PLATEAU 9360 29.5 17.2 172 54.3 39.3 138 WILLOW CREEK 8450 3.0 4.1 73 58.9 40.8 144 ----- ----- Basin wide percent of average 136* 138 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 19.8 11.6 171 38.4 25.9 148 BLACK BEAR 7950 -M 16.8 * -M 52.0 * CANYON 7940 .2 .5 40* 31.7 19.9 159 FISHER CREEK 9100 38.8 23.6 164 61.5 48.4 127 MADISON PLATEAU 7750 .2 1.9 11* 48.9 34.4 142 NORTHEAST ENTRANCE 7350 .1 .0 * 26.8 17.4 154 PARKER PEAK 9400 11.0 12.8 86 31.5 22.7 139 SYLVAN LAKE 8420 .0 7.7 0 42.4 27.5 154 THUMB DIVIDE 7980 .1 .0 * 41.0 26.7 154 TWO OCEAN PLATEAU 9360 29.5 17.2 172 54.3 39.3 138 WHISKEY CREEK 6800 .4 .3 133* 38.4 28.7 134 WHITE MILL 8700 20.2 12.7 159 41.2 37.8 109 WOLVERINE 7650 .4 .0 * 21.9 19.0 115 ----- ----- Basin wide percent of average 136* 137 WIND RIVER BURROUGHS CREEK 8750 .0 .4 0* 32.1 23.1 139 CHRISTINA LAKE 9980 1.9 5.0 38 30.7 24.3 126 COLD SPRINGS 9630 .2 .1 200* 20.0 16.8 119 HOBBS PARK 10100 .1 4.7 2 23.0 21.7 106 LITTLE WARM 9620 .3 .2 150* 28.7 20.0 144 SOUTH PASS 9040 .2 5.2 4 31.9 24.8 129 ST. LAWRENCE ALT 8620 .0 .0 100* 19.2 15.5 124 TOGWOTEE PASS 9580 16.1 15.6 103 43.3 36.1 120 TOWNSEND CREEK 8700 .0 .4 0* 21.4 19.4 110 ----- ----- Basin wide percent of average 59* 124 BIGHORN BASIN BALD MTN. 9375 3.7 11.4 32 26.4 26.2 101 BEAR TRAP MEADOW 7900 .2 .0 * 15.9 14.8 107 BLACKWATER 9780 22.7 10.2 223 37.9 25.4 149 BONE SPRINGS DIV 9350 .3 3.7 8 24.8 23.3 106 EVENING STAR 9200 19.8 17.2 115 50.5 31.5 160 GRAVE SPRINGS 8550 .1 -M * 16.9 17.3 98 KIRWIN 9550 .1 1.8 6 25.1 17.0 148 LOST CREEK 8080 .1 2.2 5 23.7 19.8 120 MARQUETTE 8760 .0 1.5 0 20.9 18.3 114 MIDDLE POWDER 7760 .1 .5 20* 22.4 19.3 116 OWL CREEK 8975 .2 .0 * 13.5 11.4 118 POWDER RIVER PASS 9480 1.9 .3 633* -M 19.2 * SHELL CREEK 9580 .1 5.5 2 21.8 21.0 104 SYLVAN LAKE 8420 .0 7.7 0 42.4 27.5 154 SYLVAN ROAD 8120 .2 .2 100* 33.3 22.9 145 TIMBER CREEK 7950 .2 .0 * 16.2 14.6 111 YOUNTS PEAK 8350 .8 3.5 23 33.7 23.2 145 ----- ----- Basin wide percent of average 76 128 SHOSHONE RIVER BLACKWATER 9780 22.7 10.2 223 37.9 25.4 149 EVENING STAR 9200 19.8 17.2 115 50.5 31.5 160 KIRWIN 9550 .1 1.8 6 25.1 17.0 148 MARQUETTE 8760 .0 1.5 0 20.9 18.3 114 SYLVAN LAKE 8420 .0 7.7 0 42.4 27.5 154 SYLVAN ROAD 8120 .2 .2 100* 33.3 22.9 145 YOUNTS PEAK 8350 .8 3.5 23 33.7 23.2 145 ----- ----- Basin wide percent of average 104 147 POWDER-TONGUE BEAR TRAP MEADOW 7900 .2 .0 * 15.9 14.8 107 BONE SPRINGS DIV 9350 .3 3.7 8 24.8 23.3 106 BURGESS JUNCTION 7880 .2 .5 40* 20.1 18.6 108 CLOUD PEAK RESERVOIR 9860 .1 4.3 2 26.4 22.5 117 DOME LAKE 8880 .1 1.5 7* 22.7 21.1 108 GRAVE SPRINGS 8550 .1 -M * 16.9 17.3 98 HANSEN SAWMILL 8760 .0 .2 0* 18.2 14.1 129 LOST CREEK 8080 .1 2.2 5 23.7 19.8 120 MIDDLE POWDER 7760 .1 .5 20* 22.4 19.3 116 POWDER RIVER PASS 9480 1.9 .3 633* -M 19.2 * SUCKER CREEK 8880 .0 .9 0* 25.5 21.6 118 TIE CREEK 6870 .2 -M * 21.1 17.8 119 ----- ----- Basin wide percent of average 20* 113 BELLE FOURCHE BLIND PARK 6890 -M .0 * -M 19.7 * NORTH RAPID CREEK 6130 7.1 -M * 7.6 -M * WARREN PEAK 6520 .0 .0 100* -M 14.5 * ----- ----- Basin wide percent of average * * UPPER N. PLATTE RIVER COLUMBINE 9400 .0 .6 0* 42.5 31.4 135 DIVIDE PEAK 8800 .0 .9 0* 32.8 31.3 105 ELK RIVER 8700 .0 .0 100* 33.8 25.1 135 JOE WRIGHT 10120 12.3 9.3 132 43.9 35.8 123 NORTH FRENCH CREEK 10100 14.0 14.4 97 40.3 33.0 122 OLD BATTLE 10000 25.3 12.4 204 50.1 40.4 124 SOUTH BRUSH CREEK 8400 .0 .2 0* 25.1 24.2 104 TOWER 10500 55.3 31.0 178 66.2 50.2 132 WEBBER SPRINGS 9200 .0 3.8 0 44.4 34.4 129 WILLOW CREEK PASS 9540 .1 .5 20* 24.2 19.1 127 ----- ----- Basin wide percent of average 146 124 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 1.9 5.9 32 37.1 27.8 133 CASPER MTN. 7900 .0 1.5 0* 30.0 23.9 126 CHRISTINA LAKE 9980 1.9 5.0 38 30.7 24.3 126 DEADMAN HILL 10220 .3 5.2 6 28.4 25.4 112 LAPRELE CREEK 8320 .0 .2 0* 20.8 19.0 109 RENO HILL 8400 2.9 1.2 242* 29.3 25.2 116 ROACH 9700 .0 2.5 0 31.0 30.9 100 SAND LAKE 10080 19.2 15.8 122 40.4 29.3 138 SOUTH PASS 9040 .2 5.2 4 31.9 24.8 129 WINDY PEAK 7840 .2 .0 * 18.3 16.5 111 ----- ----- Basin wide percent of average 62 121 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .4 .0 * 16.3 21.2 77 DIVIDE PEAK 8800 .0 .9 0* 32.8 31.3 105 OLD BATTLE 10000 25.3 12.4 204 50.1 40.4 124 SANDSTONE RS 8150 .0 .0 100* 28.5 26.4 108 WHISKEY PARK 8950 8.1 2.7 300* 44.6 38.7 115 ----- ----- Basin wide percent of average 209* 109 UPPER GREEN RIVER BIG SANDY OPENING 9100 .0 .0 100* 22.1 21.2 104 BLIND BULL SUM 8650 19.3 10.5 184 40.6 30.1 135 EAST RIM DIVIDE 7930 .0 1.5 0* 22.3 19.8 113 ELKHART PARK G.S. 9400 .0 .9 0* 23.8 20.8 114 GROS VENTRE SUMMIT 8775 .0 .0 100* 26.9 20.7 130 KENDALL R.S. 7740 .2 .0 * 29.6 20.2 147 LOOMIS PARK 8240 .1 .0 * 33.9 24.5 138 NEW FORK LAKE 8340 .0 .0 100* 18.4 18.8 98 SNIDER BASIN 8250 .0 .0 100* 23.0 19.8 116 SPRING CREEK DIVIDE 9000 2.4 4.1 59 39.9 34.5 116 TRIPLE PEAK 8500 .1 3.2 3 47.4 39.7 119 ----- ----- Basin wide percent of average 108* 121 LOWER GREEN RIVER HAMS FORK 7840 .0 .0 100* 20.9 17.4 120 HEWINTA 9500 .0 .0 100* 20.3 19.7 103 HICKERSON PARK 9150 .0 .0 100* 15.0 15.9 94 HOLE-IN-ROCK 9150 .1 .0 * 15.7 15.9 99 INDIAN CREEK 9425 9.0 3.7 243 39.0 33.0 118 KELLEY R.S. 8180 .2 .0 * 36.8 24.5 150 STEEL CREEK PARK 10100 .9 5.4 17 23.6 21.1 112 ----- ----- Basin wide percent of average 109* 116 UPPER BEAR RIVER BUG LAKE 7950 .1 .5 20* 37.3 25.4 147 HAYDEN FORK 9400 .0 .0 100* 32.9 27.0 122 KELLEY R.S. 8180 .2 .0 * 36.8 24.5 150 LILY LAKE 9050 .0 .2 0* 26.5 21.8 122 MONTE CRISTO 8960 1.1 5.1 22 43.2 34.4 126 SALT RIVER SUMMIT 7600 .0 .0 100* 30.6 22.0 139 TRIAL LAKE 9960 2.4 5.7 42 42.2 32.4 130 ----- ----- Basin wide percent of average 31* 133 ----------------------------------------------------------------------------- -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.