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: JUNE 8 , 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* 33.8 28.4 120 COTTONWOOD CREEK 7600 3.7 .0 * 40.0 31.7 127 GRANITE CREEK 6770 1.5 .0 167* 31.2 30.4 103 GRASSY LAKE 7265 17.4 6.1 284 54.3 47.0 116 GROS VENTRE SUMMIT 8775 3.2 .0 * 22.4 20.5 110 LEWIS LAKE DIVIDE 7860 22.4 10.0 224 49.5 47.8 104 PHILLIPS BENCH 8200 17.5 9.0 197 40.8 37.7 109 SALT RIVER SUMMIT 7600 .3 .0 * 25.2 21.9 116 SNAKE RIVER STATION 6920 -M .0 * -M 33.0 * SPRING CREEK DIVIDE 9000 22.0 9.6 230 38.8 34.3 113 THUMB DIVIDE 7980 .0 .0 100* 30.2 26.5 114 TOGWOTEE PASS 9580 -M 18.7 * 38.3 35.8 107 TWO OCEAN PLATEAU 9360 33.9 19.2 177 40.3 39.0 104 WILLOW CREEK 8450 13.0 9.7 133 53.4 40.7 132 ----- ----- Basin wide percent of average 198* 113 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 20.9 14.5 144 29.9 25.7 117 BLACK BEAR 7950 -M 20.9 * 64.6 51.5 126 CANYON 7940 .0 .0 0* 24.9 19.7 127 FISHER CREEK 9100 34.5 26.7 130 46.8 48.0 98 MADISON PLATEAU 7750 -M 4.0 * 42.3 34.0 125 NORTHEAST ENTRANCE 7350 .2 .3 50* 19.7 17.2 115 PARKER PEAK 9400 15.7 15.0 105 -M 22.4 * SYLVAN LAKE 8420 15.2 10.1 151 38.9 27.2 144 THUMB DIVIDE 7980 .0 .0 100* 30.2 26.5 114 TWO OCEAN PLATEAU 9360 33.9 19.2 177 40.3 39.0 104 WHISKEY CREEK 6800 .5 .7 58* 33.8 28.4 120 WHITE MILL 8700 22.7 15.2 150 32.4 37.4 87 WOLVERINE 7650 .0 .0 100* 16.9 18.7 91 ----- ----- Basin wide percent of average 140* 113 WIND RIVER BURROUGHS CREEK 8750 6.8 1.2 610* 26.7 22.9 117 COLD SPRINGS 9630 3.5 .3 1750* 26.7 16.7 161 DEER PARK 9700 17.4 -M * 36.2 -M * HOBBS PARK 10100 19.5 6.5 300 31.4 21.5 147 LITTLE WARM 9620 3.8 .5 925* 27.5 19.9 139 SOUTH PASS 9040 6.8 7.0 98 32.5 24.7 133 ST. LAWRENCE ALT 8620 .0 .2 0* 23.2 15.4 152 TOGWOTEE PASS 9580 -M 18.7 * 38.3 35.8 107 TOWNSEND CREEK 8700 .0 1.0 0* 27.7 19.2 144 ----- ----- Basin wide percent of average 247* 134 BIGHORN BASIN BALD MTN. 9375 18.4 14.0 132 28.4 25.9 110 BEAR TRAP MEADOW 7900 .0 .0 100* 20.2 14.5 139 BLACKWATER 9780 30.7 13.5 229 33.7 25.0 135 BONE SPRINGS DIV 9350 12.0 5.5 221 28.7 23.0 125 EVENING STAR 9200 28.0 20.4 138 44.0 31.0 142 GRAVE SPRINGS 8550 .0 1.2 0* 21.0 17.0 124 KIRWIN 9550 10.0 3.2 323 24.2 16.9 145 MARQUETTE 8760 9.5 2.5 381 24.2 18.0 134 MIDDLE POWDER 7760 .2 1.4 8* 23.0 18.9 122 OWL CREEK 8975 .2 .2 100* 18.7 11.2 167 POWDER RIVER PASS 9480 .3 .7 29* 24.9 18.9 132 SHELL CREEK 9580 9.6 7.6 127 24.0 20.7 117 SYLVAN LAKE 8420 15.2 10.1 151 38.9 27.2 144 SYLVAN ROAD 8120 .0 .6 0* 24.9 22.7 110 TIMBER CREEK 7950 .0 .3 0* 20.2 14.4 142 YOUNTS PEAK 8350 9.7 5.6 174 25.4 22.9 111 ----- ----- Basin wide percent of average 167 130 SHOSHONE RIVER BLACKWATER 9780 30.7 13.5 229 33.7 25.0 135 EVENING STAR 9200 28.0 20.4 138 44.0 31.0 142 KIRWIN 9550 10.0 3.2 323 24.2 16.9 145 MARQUETTE 8760 9.5 2.5 381 24.2 18.0 134 SYLVAN LAKE 8420 15.2 10.1 151 38.9 27.2 144 SYLVAN ROAD 8120 .0 .6 0* 24.9 22.7 110 YOUNTS PEAK 8350 9.7 5.6 174 25.4 22.9 111 ----- ----- Basin wide percent of average 186 132 POWDER-TONGUE BEAR TRAP MEADOW 7900 .0 .0 100* 20.2 14.5 139 BIG GOOSE 7990 .0 -M * 21.2 -M * BONE SPRINGS DIV 9350 12.0 5.5 221 28.7 23.0 125 BURGESS JUNCTION 7880 .0 1.2 0* 20.9 18.4 115 CLOUD PEAK RESERVOIR 9860 10.7 5.8 185 28.5 22.2 129 DOME LAKE 8880 -M 2.4 * 19.7 20.9 95 GRAVE SPRINGS 8550 .0 1.2 0* 21.0 17.0 124 HANSEN SAWMILL 8760 .0 .5 0* 19.7 13.9 143 MIDDLE POWDER 7760 .2 1.4 8* 23.0 18.9 122 POWDER RIVER PASS 9480 .3 .7 29* 24.9 18.9 132 SUCKER CREEK 8880 .3 2.2 10 25.0 21.4 118 TIE CREEK 6870 .0 -M * 21.7 17.7 124 ----- ----- Basin wide percent of average 128* 123 BELLE FOURCHE BLIND PARK 6890 .0 .0 100* 23.5 19.2 123 NORTH RAPID CREEK 6130 .0 -M * 20.9 -M * WARREN PEAK 6520 .0 .2 0* -M 14.1 * ----- ----- Basin wide percent of average 0* 123* UPPER N. PLATTE RIVER COLUMBINE 9400 .0 1.4 0* 31.4 31.4 101 DIVIDE PEAK 8800 .0 1.7 0* 34.4 31.2 111 ELK RIVER 8700 .0 .3 0* 31.4 24.9 127 JOE WRIGHT 10120 13.4 12.2 110 37.3 35.5 105 NORTH FRENCH CREEK 10100 30.9 16.5 187 42.5 32.8 130 OLD BATTLE 10000 30.7 16.7 184 51.8 40.3 129 SOUTH BRUSH CREEK 8400 7.0 .6 1151* 29.7 23.9 124 TOWER 10500 42.0 36.0 117 53.2 50.0 107 WEBBER SPRINGS 9200 .0 6.3 0 37.8 34.3 111 WILLOW CREEK PASS 9540 .0 1.2 0* 19.2 18.9 103 ----- ----- Basin wide percent of average 134 115 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 14.6 8.5 172 35.8 27.7 130 CASPER MTN. 7900 .3 2.3 9 26.0 23.7 111 DEADMAN HILL 10220 7.6 7.0 109 26.7 25.2 106 DEER PARK 9700 17.4 -M * 36.2 -M * LAPRELE CREEK 8320 .0 .6 0* 25.9 18.7 139 RENO HILL 8400 .0 1.9 0 28.9 24.9 117 ROACH 9700 2.4 4.5 55 29.0 30.7 95 SAND LAKE 10080 41.7 19.2 218 44.0 29.0 152 SOUTH PASS 9040 6.8 7.0 98 32.5 24.7 133 WINDY PEAK 7840 .0 .0 100* 22.5 16.4 139 ----- ----- Basin wide percent of average 145 123 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .0 .0 100* 24.9 21.2 118 DIVIDE PEAK 8800 .0 1.7 0* 34.4 31.2 111 OLD BATTLE 10000 30.7 16.7 184 51.8 40.3 129 SANDSTONE RS 8150 .0 .0 100* 28.7 26.4 110 WHISKEY PARK 8950 18.2 6.3 292 41.3 38.7 107 ----- ----- Basin wide percent of average 199* 115 UPPER GREEN RIVER BIG SANDY OPENING 9100 .0 .0 100* 22.2 21.0 106 BLIND BULL SUM 8650 23.2 12.7 182 31.4 29.9 105 EAST RIM DIVIDE 7930 1.4 3.5 38 20.4 19.7 105 ELKHART PARK G.S. 9400 3.3 2.3 144 23.7 20.7 116 GROS VENTRE SUMMIT 8775 3.2 .0 * 22.4 20.5 110 KENDALL R.S. 7740 .2 .0 * 22.2 20.2 110 LOOMIS PARK 8240 -M .0 * 27.5 24.4 114 NEW FORK LAKE 8340 .0 .0 100* 19.2 18.7 103 SNIDER BASIN 8250 .2 .0 * 25.0 19.7 128 SPRING CREEK DIVIDE 9000 22.0 9.6 230 38.8 34.3 113 TRIPLE PEAK 8500 8.7 7.5 118 41.3 39.4 105 ----- ----- Basin wide percent of average 165* 110 LOWER GREEN RIVER HAMS FORK 7840 .2 .0 * 20.4 17.4 118 HEWINTA 9500 .0 .0 100* 21.9 19.5 113 HICKERSON PARK 9150 .2 .0 * 16.7 15.7 106 HOLE-IN-ROCK 9150 .0 .2 0* 17.2 15.7 109 INDIAN CREEK 9425 25.4 8.9 288 37.2 32.8 114 KELLEY R.S. 8180 .2 .0 * 27.2 24.4 112 STEEL CREEK PARK 10100 14.5 8.0 184 26.0 20.7 126 ----- ----- Basin wide percent of average 237* 114 UPPER BEAR RIVER BUG LAKE 7950 .2 1.2 9* 31.9 25.4 127 HAYDEN FORK 9400 .0 .0 100* 30.7 26.7 115 KELLEY R.S. 8180 .2 .0 * 27.2 24.4 112 LILY LAKE 9050 .0 .6 0* 27.4 21.7 127 MONTE CRISTO 8960 17.2 7.0 250 41.3 34.3 121 SALT RIVER SUMMIT 7600 .3 .0 * 25.2 21.9 116 TRIAL LAKE 9960 14.0 8.1 173 34.2 32.3 106 ----- ----- Basin wide percent of average 187* 117 ----------------------------------------------------------------------------- -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.