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 SATURDAY: JUNE 19 , 1999 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 .0 .0 100* 34.4 29.0 119 COTTONWOOD CREEK 7600 .0 .0 100* 40.4 32.3 126 GRANITE CREEK 6770 .2 .0 * 32.0 31.2 103 GRASSY LAKE 7265 .3 .0 * 55.8 48.0 117 GROS VENTRE SUMMIT 8775 .0 .0 100* 23.4 21.2 111 LEWIS LAKE DIVIDE 7860 7.3 .0 * 50.4 48.8 104 PHILLIPS BENCH 8200 6.3 .0 * 41.4 38.4 108 SALT RIVER SUMMIT 7600 .2 .0 * 25.9 22.4 116 SNAKE RIVER STATION 6920 -M .0 * -M 33.8 * SPRING CREEK DIVIDE 9000 11.0 .0 * 39.7 34.9 114 THUMB DIVIDE 7980 .0 .0 100* 30.9 27.2 115 TOGWOTEE PASS 9580 -M 10.1 * 39.0 36.7 107 TWO OCEAN PLATEAU 9360 27.4 11.9 233 41.7 39.9 105 WILLOW CREEK 8450 .0 .0 100* 54.2 41.4 131 ----- ----- Basin wide percent of average 233* 113 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 13.6 7.6 179 30.9 26.7 116 BLACK BEAR 7950 34.3 10.9 317 65.5 52.9 124 CANYON 7940 .0 .3 0* 26.2 20.5 128 FISHER CREEK 9100 32.7 17.7 186 48.5 49.4 99 MADISON PLATEAU 7750 -M .5 * 42.4 35.3 121 NORTHEAST ENTRANCE 7350 .2 .0 * 20.4 18.2 113 PARKER PEAK 9400 7.0 9.4 75 -M 23.5 * SYLVAN LAKE 8420 7.8 4.5 172 -M 28.4 * THUMB DIVIDE 7980 .0 .0 100* 30.9 27.2 115 TWO OCEAN PLATEAU 9360 27.4 11.9 233 41.7 39.9 105 WHISKEY CREEK 6800 .0 .0 100* 34.5 29.5 117 WHITE MILL 8700 -M 8.7 * -M 38.7 * WOLVERINE 7650 .0 .0 100* 17.4 19.7 89 ----- ----- Basin wide percent of average 199* 113 WIND RIVER BURROUGHS CREEK 8750 -M .0 * 27.0 23.7 115 COLD SPRINGS 9630 .0 .0 100* 26.9 17.4 155 DEER PARK 9700 8.4 -M * 37.8 -M * HOBBS PARK 10100 12.0 2.8 441 32.2 22.4 144 LITTLE WARM 9620 .2 .0 * 28.4 20.5 139 SOUTH PASS 9040 -M 3.0 * 34.8 25.4 137 ST. LAWRENCE ALT 8620 .0 .0 100* 23.7 16.0 148 TOGWOTEE PASS 9580 -M 10.1 * 39.0 36.7 107 TOWNSEND CREEK 8700 .0 .0 100* 28.2 20.0 142 ----- ----- Basin wide percent of average 441* 132 BIGHORN BASIN BALD MTN. 9375 13.2 7.3 181 29.2 26.9 109 BEAR TRAP MEADOW 7900 .2 .0 * 20.5 15.5 133 BLACKWATER 9780 26.0 6.5 400 34.5 26.4 131 BONE SPRINGS DIV 9350 .9 1.9 43 29.7 24.0 124 EVENING STAR 9200 19.5 12.9 153 45.2 32.5 139 GRAVE SPRINGS 8550 .2 .0 * 21.4 18.0 119 KIRWIN 9550 .5 .7 58* 24.5 17.7 140 MARQUETTE 8760 .3 .7 29* 24.7 18.9 131 MIDDLE POWDER 7760 .0 .0 100* 22.9 20.0 115 OWL CREEK 8975 .0 .0 100* 19.7 12.0 166 POWDER RIVER PASS 9480 .0 .0 100* 25.7 19.9 129 SHELL CREEK 9580 .0 3.0 0 25.2 21.9 116 SYLVAN LAKE 8420 7.8 4.5 172 -M 28.4 * SYLVAN ROAD 8120 -M .0 * -M 23.7 * TIMBER CREEK 7950 .0 .0 100* 20.7 15.1 137 YOUNTS PEAK 8350 .9 1.5 54* 25.9 23.9 109 ----- ----- Basin wide percent of average 177* 127 SHOSHONE RIVER BLACKWATER 9780 26.0 6.5 400 34.5 26.4 131 EVENING STAR 9200 19.5 12.9 153 45.2 32.5 139 KIRWIN 9550 .5 .7 58* 24.5 17.7 140 MARQUETTE 8760 .3 .7 29* 24.7 18.9 131 SYLVAN LAKE 8420 7.8 4.5 172 -M 28.4 * SYLVAN ROAD 8120 -M .0 * -M 23.7 * YOUNTS PEAK 8350 .9 1.5 54* 25.9 23.9 109 ----- ----- Basin wide percent of average 205* 130 POWDER-TONGUE BEAR TRAP MEADOW 7900 .2 .0 * 20.5 15.5 133 BIG GOOSE 7990 .0 -M * 22.2 -M * BONE SPRINGS DIV 9350 .9 1.9 43 29.7 24.0 124 BURGESS JUNCTION 7880 .0 .0 100* 21.4 19.2 112 CLOUD PEAK RESERVOIR 9860 .0 2.5 0 28.7 23.4 124 DOME LAKE 8880 -M .7 * 20.2 21.9 93 GRAVE SPRINGS 8550 .2 .0 * 21.4 18.0 119 HANSEN SAWMILL 8760 .2 .0 * 20.2 15.0 136 MIDDLE POWDER 7760 .0 .0 100* 22.9 20.0 115 POWDER RIVER PASS 9480 .0 .0 100* 25.7 19.9 129 SUCKER CREEK 8880 .0 .2 0* 26.5 22.4 119 TIE CREEK 6870 .0 -M * 22.7 18.4 123 ----- ----- Basin wide percent of average 18* 120 BELLE FOURCHE BLIND PARK 6890 .0 .0 100* 27.2 20.7 131 NORTH RAPID CREEK 6130 .0 -M * 25.2 -M * WARREN PEAK 6520 .0 .0 100* 27.0 15.5 176 ----- ----- Basin wide percent of average * 150 UPPER N. PLATTE RIVER COLUMBINE 9400 .0 .0 100* 32.4 31.9 102 DIVIDE PEAK 8800 .0 .3 0* 35.9 31.7 114 ELK RIVER 8700 .0 .0 100* 31.5 25.7 124 JOE WRIGHT 10120 3.8 5.8 66 39.8 36.4 110 NORTH FRENCH CREEK 10100 20.9 9.7 216 43.0 33.5 129 OLD BATTLE 10000 16.4 7.6 216 53.0 41.0 130 SOUTH BRUSH CREEK 8400 5.8 .0 * 29.4 24.9 118 TOWER 10500 29.5 23.2 128 53.9 50.8 107 WEBBER SPRINGS 9200 .0 1.5 0* 39.0 35.0 112 WILLOW CREEK PASS 9540 .0 .0 100* 20.5 19.7 105 ----- ----- Basin wide percent of average 147* 115 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 5.1 3.0 170 35.8 28.2 127 CASPER MTN. 7900 .3 .7 29* 28.2 24.5 115 DEADMAN HILL 10220 .0 2.9 0 27.5 25.9 107 DEER PARK 9700 8.4 -M * 37.8 -M * LAPRELE CREEK 8320 .0 .0 100* 26.9 19.7 138 RENO HILL 8400 .0 .6 0* 30.0 25.9 116 ROACH 9700 .0 .0 0* 30.5 31.5 97 SAND LAKE 10080 27.9 10.9 259 44.4 30.0 148 SOUTH PASS 9040 -M 3.0 * 34.8 25.4 137 WINDY PEAK 7840 .0 .0 100* 23.2 17.2 136 ----- ----- Basin wide percent of average 176* 124 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .2 .0 * 25.0 21.5 117 DIVIDE PEAK 8800 .0 .3 0* 35.9 31.7 114 OLD BATTLE 10000 16.4 7.6 216 53.0 41.0 130 SANDSTONE RS 8150 .0 .0 100* 29.2 26.7 109 WHISKEY PARK 8950 .2 .3 50* 42.3 39.2 108 ----- ----- Basin wide percent of average 204* 116 UPPER GREEN RIVER BIG SANDY OPENING 9100 .0 .0 100* 22.7 21.7 106 BLIND BULL SUM 8650 9.5 6.8 141 31.7 30.5 104 EAST RIM DIVIDE 7930 .0 .0 100* 21.2 20.2 105 ELKHART PARK G.S. 9400 .0 .0 100* 24.0 21.2 114 GROS VENTRE SUMMIT 8775 .0 .0 100* 23.4 21.2 111 KENDALL R.S. 7740 .0 .0 100* 22.4 20.7 108 LOOMIS PARK 8240 .0 .0 100* 27.7 25.0 111 NEW FORK LAKE 8340 .0 .0 100* 20.7 19.2 108 SNIDER BASIN 8250 .0 .0 100* 26.2 20.2 130 SPRING CREEK DIVIDE 9000 11.0 .0 * 39.7 34.9 114 TRIPLE PEAK 8500 .0 .0 100* 42.0 40.3 105 ----- ----- Basin wide percent of average 141* 110 LOWER GREEN RIVER HAMS FORK 7840 .0 .0 100* 20.4 17.7 116 HEWINTA 9500 .0 .0 100* 22.4 20.4 111 HICKERSON PARK 9150 .2 .0 * 17.2 16.5 105 HOLE-IN-ROCK 9150 .0 .0 100* 17.9 16.5 108 INDIAN CREEK 9425 13.5 .0 * 37.8 33.5 113 KELLEY R.S. 8180 .0 .0 100* 27.7 24.9 111 STEEL CREEK PARK 10100 7.0 2.8 247 26.9 22.0 123 ----- ----- Basin wide percent of average 247* 113 UPPER BEAR RIVER BUG LAKE 7950 .2 .0 * 31.9 25.9 124 HAYDEN FORK 9400 .0 .0 100* 31.2 27.5 114 KELLEY R.S. 8180 .0 .0 100* 27.7 24.9 111 LILY LAKE 9050 .0 .0 100* 27.7 22.4 124 MONTE CRISTO 8960 -M 2.9 * 41.3 35.0 118 SALT RIVER SUMMIT 7600 .2 .0 * 25.9 22.4 116 TRIAL LAKE 9960 .0 3.0 31 34.3 33.0 104 ----- ----- Basin wide percent of average 31* 116 ----------------------------------------------------------------------------- -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.