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 5 , 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* 33.0 28.2 118 COTTONWOOD CREEK 7600 -M .0 * -M 31.4 * GRANITE CREEK 6770 1.5 1.4 116* 30.7 30.2 102 GRASSY LAKE 7265 19.9 8.6 232 52.9 46.8 114 GROS VENTRE SUMMIT 8775 4.5 .0 * 21.5 20.4 106 LEWIS LAKE DIVIDE 7860 24.5 14.2 173 49.2 47.5 104 PHILLIPS BENCH 8200 18.4 12.6 146 39.3 37.4 106 SALT RIVER SUMMIT 7600 .5 .0 * 24.5 21.7 113 SNAKE RIVER STATION 6920 .0 .0 100* 33.3 32.8 102 SPRING CREEK DIVIDE 9000 22.9 13.6 169 37.8 34.2 111 THUMB DIVIDE 7980 -M .0 * -M 26.4 * TOGWOTEE PASS 9580 -M 20.7 * 37.4 35.7 106 TWO OCEAN PLATEAU 9360 34.3 20.7 167 39.5 38.8 102 WILLOW CREEK 8450 14.9 13.9 108 51.8 40.4 128 ----- ----- Basin wide percent of average 161* 109 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 22.0 16.7 133 29.7 25.4 117 BLACK BEAR 7950 48.4 23.7 205 63.3 51.3 124 CANYON 7940 .3 1.2 28* 24.4 19.4 127 FISHER CREEK 9100 36.5 28.9 127 46.2 47.7 97 MADISON PLATEAU 7750 -M 5.5 * 41.3 33.8 123 NORTHEAST ENTRANCE 7350 .0 .3 0* 19.2 16.9 114 PARKER PEAK 9400 16.4 16.5 100 -M 22.0 * SYLVAN LAKE 8420 17.9 11.9 152 37.7 26.9 141 THUMB DIVIDE 7980 -M .0 * -M 26.4 * TWO OCEAN PLATEAU 9360 34.3 20.7 167 39.5 38.8 102 WHISKEY CREEK 6800 2.4 .0 267* 32.8 28.2 117 WHITE MILL 8700 23.7 17.0 140 32.0 37.2 87 WOLVERINE 7650 .0 .0 100* 16.4 18.5 89 ----- ----- Basin wide percent of average 148 112 WIND RIVER BURROUGHS CREEK 8750 7.5 1.5 500* 25.5 22.9 112 COLD SPRINGS 9630 5.8 .3 1934* 26.0 16.4 159 DEER PARK 9700 17.9 -M * 35.0 -M * HOBBS PARK 10100 20.4 7.8 264 30.9 21.2 146 LITTLE WARM 9620 5.5 .5 1081* 26.5 19.7 136 SOUTH PASS 9040 10.4 8.4 125 31.7 24.4 130 ST. LAWRENCE ALT 8620 .0 .2 0* 22.9 15.1 151 TOGWOTEE PASS 9580 -M 20.7 * 37.4 35.7 106 TOWNSEND CREEK 8700 .6 1.4 47 27.4 18.9 145 ----- ----- Basin wide percent of average 254* 132 BIGHORN BASIN BALD MTN. 9375 19.4 16.0 121 27.2 25.7 106 BEAR TRAP MEADOW 7900 .0 .0 100* 19.7 14.4 138 BLACKWATER 9780 30.7 15.7 196 32.7 24.7 133 BONE SPRINGS DIV 9350 13.2 6.5 204 27.4 22.7 121 EVENING STAR 9200 29.0 22.5 129 43.0 30.5 141 GRAVE SPRINGS 8550 .0 1.5 0 20.2 16.7 121 KIRWIN 9550 10.6 3.9 272 23.4 16.7 141 MARQUETTE 8760 10.7 3.3 335 22.9 17.7 129 MIDDLE POWDER 7760 .2 1.9 6 22.9 18.7 124 OWL CREEK 8975 .0 .2 0* 17.7 11.0 161 POWDER RIVER PASS 9480 .3 1.0 30* 23.9 18.7 129 SHELL CREEK 9580 9.7 9.2 106 22.7 20.4 112 SYLVAN LAKE 8420 17.9 11.9 152 37.7 26.9 141 SYLVAN ROAD 8120 -M .9 * -M 22.4 * TIMBER CREEK 7950 .3 .3 100* 19.7 14.1 140 YOUNTS PEAK 8350 11.7 7.1 165 24.4 22.7 108 ----- ----- Basin wide percent of average 153 128 SHOSHONE RIVER BLACKWATER 9780 30.7 15.7 196 32.7 24.7 133 EVENING STAR 9200 29.0 22.5 129 43.0 30.5 141 KIRWIN 9550 10.6 3.9 272 23.4 16.7 141 MARQUETTE 8760 10.7 3.3 335 22.9 17.7 129 SYLVAN LAKE 8420 17.9 11.9 152 37.7 26.9 141 SYLVAN ROAD 8120 -M .9 * -M 22.4 * YOUNTS PEAK 8350 11.7 7.1 165 24.4 22.7 108 ----- ----- Basin wide percent of average 173 133 POWDER-TONGUE BEAR TRAP MEADOW 7900 .0 .0 100* 19.7 14.4 138 BIG GOOSE 7990 -M -M * 20.5 -M * BONE SPRINGS DIV 9350 13.2 6.5 204 27.4 22.7 121 BURGESS JUNCTION 7880 .3 1.7 12 19.2 18.2 107 CLOUD PEAK RESERVOIR 9860 12.0 7.0 174 26.9 21.9 124 DOME LAKE 8880 -M 3.2 * 18.5 20.7 90 GRAVE SPRINGS 8550 .0 1.5 0 20.2 16.7 121 HANSEN SAWMILL 8760 .0 .6 0* 18.5 13.5 138 MIDDLE POWDER 7760 .2 1.9 6 22.9 18.7 124 POWDER RIVER PASS 9480 .3 1.0 30* 23.9 18.7 129 SUCKER CREEK 8880 1.7 2.9 56 23.9 21.0 114 TIE CREEK 6870 .0 -M * 19.9 17.4 115 ----- ----- Basin wide percent of average 120 119 BELLE FOURCHE BLIND PARK 6890 .0 .0 100* 22.5 18.9 120 NORTH RAPID CREEK 6130 .0 -M * 19.9 -M * WARREN PEAK 6520 .0 .2 0* -M 13.9 * ----- ----- Basin wide percent of average 0* 120* UPPER N. PLATTE RIVER COLUMBINE 9400 .0 2.0 0* 30.9 31.2 100 DIVIDE PEAK 8800 .0 2.3 0* 33.0 31.0 107 ELK RIVER 8700 .0 .3 0* 30.9 24.9 125 JOE WRIGHT 10120 13.7 14.4 96 36.3 35.3 103 NORTH FRENCH CREEK 10100 30.0 18.2 166 40.8 32.7 125 OLD BATTLE 10000 31.0 19.9 157 50.3 40.0 126 SOUTH BRUSH CREEK 8400 6.8 .9 850* 27.9 23.7 118 TOWER 10500 43.2 39.7 109 52.3 49.8 106 WEBBER SPRINGS 9200 .2 8.0 2 36.5 34.0 108 WILLOW CREEK PASS 9540 -M 1.7 * -M 18.7 * ----- ----- Basin wide percent of average 119 112 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 14.0 10.4 135 34.9 27.4 128 CASPER MTN. 7900 .3 2.8 8 24.7 23.4 107 DEADMAN HILL 10220 8.5 8.5 102 26.2 24.9 105 DEER PARK 9700 17.9 -M * 35.0 -M * LAPRELE CREEK 8320 .0 .9 0* 23.9 18.5 129 RENO HILL 8400 .0 2.3 0 27.9 24.7 113 ROACH 9700 2.5 5.8 44 27.9 30.5 92 SAND LAKE 10080 43.3 21.5 202 43.0 28.9 150 SOUTH PASS 9040 10.4 8.4 125 31.7 24.4 130 WINDY PEAK 7840 .0 .0 100* 21.2 16.2 132 ----- ----- Basin wide percent of average 131 120 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .0 .0 100* 24.0 21.2 114 DIVIDE PEAK 8800 .0 2.3 0* 33.0 31.0 107 OLD BATTLE 10000 31.0 19.9 157 50.3 40.0 126 SANDSTONE RS 8150 .0 .0 100* 27.7 26.2 106 WHISKEY PARK 8950 20.7 8.7 237 40.3 38.5 105 ----- ----- Basin wide percent of average 169* 112 UPPER GREEN RIVER BIG SANDY OPENING 9100 .5 .0 * 21.4 20.9 102 BLIND BULL SUM 8650 24.7 14.4 173 30.0 29.9 101 EAST RIM DIVIDE 7930 2.8 5.0 55 19.7 19.5 102 ELKHART PARK G.S. 9400 3.8 3.3 119 22.5 20.5 110 GROS VENTRE SUMMIT 8775 4.5 .0 * 21.5 20.4 106 KENDALL R.S. 7740 .2 .0 * 21.7 20.0 109 LOOMIS PARK 8240 -M .0 * 26.7 24.2 111 NEW FORK LAKE 8340 .0 .0 100* 18.9 18.5 102 SNIDER BASIN 8250 .3 .0 * 23.9 19.5 123 SPRING CREEK DIVIDE 9000 22.9 13.6 169 37.8 34.2 111 TRIPLE PEAK 8500 10.9 10.5 103 40.3 39.3 103 ----- ----- Basin wide percent of average 140* 107 LOWER GREEN RIVER HAMS FORK 7840 .5 .0 * 19.9 17.2 116 HEWINTA 9500 .0 .0 100* 21.5 19.4 112 HICKERSON PARK 9150 -M .0 * -M 15.5 * HOLE-IN-ROCK 9150 .0 .2 0* 17.0 15.5 110 INDIAN CREEK 9425 25.4 12.5 203 36.2 32.7 111 KELLEY R.S. 8180 .3 .0 * 26.4 24.2 110 STEEL CREEK PARK 10100 15.6 9.7 161 25.7 20.4 127 ----- ----- Basin wide percent of average 184* 114 UPPER BEAR RIVER BUG LAKE 7950 .5 1.7 24* 30.9 25.2 123 HAYDEN FORK 9400 .3 .0 * 30.7 26.5 116 KELLEY R.S. 8180 .3 .0 * 26.4 24.2 110 LILY LAKE 9050 .0 .9 0* 27.2 21.4 127 MONTE CRISTO 8960 20.2 8.1 249 40.2 34.0 118 SALT RIVER SUMMIT 7600 .5 .0 * 24.5 21.7 113 TRIAL LAKE 9960 14.9 9.9 152 33.8 32.0 106 ----- ----- Basin wide percent of average 174* 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.