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 WEDNESDAY: JUNE 2 , 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* 31.9 28.0 114 COTTONWOOD CREEK 7600 8.0 .0 * 37.5 31.2 121 GRANITE CREEK 6770 1.5 1.7 94* 28.7 29.9 96 GRASSY LAKE 7265 22.4 11.2 200 51.7 46.4 112 GROS VENTRE SUMMIT 8775 6.5 .0 * 21.0 20.2 104 LEWIS LAKE DIVIDE 7860 26.2 18.4 142 47.9 47.3 102 PHILLIPS BENCH 8200 20.2 16.4 123 38.4 37.3 104 SALT RIVER SUMMIT 7600 .3 .0 * 23.7 21.5 111 SNAKE RIVER STATION 6920 .0 .0 100* 32.0 32.7 99 SPRING CREEK DIVIDE 9000 24.2 17.7 137 37.0 33.9 110 THUMB DIVIDE 7980 2.4 .0 * 29.2 26.2 112 TOGWOTEE PASS 9580 -M 22.9 * 36.8 35.4 104 TWO OCEAN PLATEAU 9360 34.5 22.2 157 38.8 38.5 101 WILLOW CREEK 8450 17.4 17.9 98 50.8 40.2 127 ----- ----- Basin wide percent of average 139* 108 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 22.7 18.7 121 29.0 25.2 116 BLACK BEAR 7950 49.0 26.7 185 62.3 50.8 123 CANYON 7940 .5 1.4 29* 23.9 19.0 126 FISHER CREEK 9100 37.3 31.0 121 45.5 47.3 97 MADISON PLATEAU 7750 -M 7.0 * 40.8 33.4 122 NORTHEAST ENTRANCE 7350 .0 .3 0* 19.0 16.7 115 PARKER PEAK 9400 17.4 18.2 97 -M 21.7 * SYLVAN LAKE 8420 19.2 13.6 141 37.0 26.5 140 THUMB DIVIDE 7980 2.4 .0 * 29.2 26.2 112 TWO OCEAN PLATEAU 9360 34.5 22.2 157 38.8 38.5 101 WHISKEY CREEK 6800 5.0 1.2 417* 31.5 27.9 114 WHITE MILL 8700 24.7 18.9 132 31.5 36.8 86 WOLVERINE 7650 .0 .0 100* 16.2 18.2 90 ----- ----- Basin wide percent of average 139 111 WIND RIVER BURROUGHS CREEK 8750 9.5 1.9 495 25.2 22.7 112 COLD SPRINGS 9630 7.8 .3 2601* 25.9 16.2 160 DEER PARK 9700 18.9 -M * 34.4 -M * HOBBS PARK 10100 21.4 9.0 240 30.5 21.0 146 LITTLE WARM 9620 7.8 .7 1101* 26.4 19.4 136 SOUTH PASS 9040 13.4 9.6 139 31.4 24.2 130 ST. LAWRENCE ALT 8620 .0 .2 0* 22.4 15.0 151 TOGWOTEE PASS 9580 -M 22.9 * 36.8 35.4 104 TOWNSEND CREEK 8700 3.7 1.7 212 26.9 18.7 144 ----- ----- Basin wide percent of average 272* 131 BIGHORN BASIN BALD MTN. 9375 21.0 17.9 118 26.9 25.4 106 BEAR TRAP MEADOW 7900 .0 .0 100* 19.4 14.0 139 BLACKWATER 9780 31.2 18.2 173 32.3 24.2 134 BONE SPRINGS DIV 9350 15.4 7.8 197 26.9 22.4 121 EVENING STAR 9200 30.4 24.9 123 42.7 30.2 142 GRAVE SPRINGS 8550 .0 1.9 0 19.9 16.4 122 KIRWIN 9550 11.6 4.8 242 23.2 16.4 142 MARQUETTE 8760 12.7 3.9 326 22.7 17.4 131 MIDDLE POWDER 7760 2.5 2.4 105 23.0 18.4 126 OWL CREEK 8975 .0 .2 0* 17.5 10.9 163 POWDER RIVER PASS 9480 2.3 1.4 177 23.5 18.4 129 SHELL CREEK 9580 11.5 10.7 108 21.9 20.0 110 SYLVAN LAKE 8420 19.2 13.6 141 37.0 26.5 140 SYLVAN ROAD 8120 -M 1.0 * -M 22.0 * TIMBER CREEK 7950 1.2 .3 551* 19.7 14.0 142 YOUNTS PEAK 8350 13.5 8.6 157 24.0 22.4 108 ----- ----- Basin wide percent of average 149 129 SHOSHONE RIVER BLACKWATER 9780 31.2 18.2 173 32.3 24.2 134 EVENING STAR 9200 30.4 24.9 123 42.7 30.2 142 KIRWIN 9550 11.6 4.8 242 23.2 16.4 142 MARQUETTE 8760 12.7 3.9 326 22.7 17.4 131 SYLVAN LAKE 8420 19.2 13.6 141 37.0 26.5 140 SYLVAN ROAD 8120 -M 1.0 * -M 22.0 * YOUNTS PEAK 8350 13.5 8.6 157 24.0 22.4 108 ----- ----- Basin wide percent of average 161 133 POWDER-TONGUE BEAR TRAP MEADOW 7900 .0 .0 100* 19.4 14.0 139 BIG GOOSE 7990 -M -M * 20.2 -M * BONE SPRINGS DIV 9350 15.4 7.8 197 26.9 22.4 121 BURGESS JUNCTION 7880 1.4 2.3 64 19.2 17.9 108 CLOUD PEAK RESERVOIR 9860 14.2 8.0 178 26.5 21.5 124 DOME LAKE 8880 -M 3.8 * 18.7 20.4 93 GRAVE SPRINGS 8550 .0 1.9 0 19.9 16.4 122 HANSEN SAWMILL 8760 .0 .9 0* 18.4 13.2 139 MIDDLE POWDER 7760 2.5 2.4 105 23.0 18.4 126 POWDER RIVER PASS 9480 2.3 1.4 177 23.5 18.4 129 SUCKER CREEK 8880 5.3 3.8 137 23.7 20.7 115 TIE CREEK 6870 .0 -M * 19.9 17.2 117 ----- ----- Basin wide percent of average 146 120 BELLE FOURCHE BLIND PARK 6890 .0 .0 100* 21.7 18.4 118 NORTH RAPID CREEK 6130 .0 -M * 18.9 -M * WARREN PEAK 6520 .0 .2 0* -M 13.5 * ----- ----- Basin wide percent of average 0* 118* UPPER N. PLATTE RIVER COLUMBINE 9400 .0 2.7 0 30.7 31.0 100 DIVIDE PEAK 8800 .0 2.8 0 33.2 30.9 108 ELK RIVER 8700 .0 .3 0* 31.0 24.7 127 JOE WRIGHT 10120 16.4 16.4 100 35.8 35.0 103 NORTH FRENCH CREEK 10100 32.8 19.7 166 40.4 32.4 125 OLD BATTLE 10000 31.9 23.0 139 50.2 39.8 127 SOUTH BRUSH CREEK 8400 6.8 1.0 680* 27.7 23.4 118 TOWER 10500 44.7 43.3 104 51.9 49.5 105 WEBBER SPRINGS 9200 4.0 9.9 41 36.3 33.8 108 WILLOW CREEK PASS 9540 1.4 2.2 67 18.4 18.4 100 ----- ----- Basin wide percent of average 114 112 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 16.9 12.2 138 34.7 27.2 128 CASPER MTN. 7900 .3 3.4 6 24.7 23.0 107 DEADMAN HILL 10220 12.0 9.9 122 26.0 24.7 106 DEER PARK 9700 18.9 -M * 34.4 -M * LAPRELE CREEK 8320 .0 1.0 0* 23.5 18.2 130 RENO HILL 8400 .0 2.8 0 27.7 24.4 114 ROACH 9700 -M 7.1 * 27.5 30.4 91 SAND LAKE 10080 46.3 23.9 194 41.3 28.5 145 SOUTH PASS 9040 13.4 9.6 139 31.4 24.2 130 WINDY PEAK 7840 .0 .0 100* 20.9 15.9 133 ----- ----- Basin wide percent of average 141 120 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .0 .0 100* 24.0 21.0 115 DIVIDE PEAK 8800 .0 2.8 0 33.2 30.9 108 OLD BATTLE 10000 31.9 23.0 139 50.2 39.8 127 SANDSTONE RS 8150 .0 .0 100* 27.7 26.2 106 WHISKEY PARK 8950 26.0 11.2 233 40.2 38.4 105 ----- ----- Basin wide percent of average 157 113 UPPER GREEN RIVER BIG SANDY OPENING 9100 .3 .0 * 20.4 20.7 99 BLIND BULL SUM 8650 26.7 16.0 168 29.4 29.7 99 EAST RIM DIVIDE 7930 3.9 6.5 61 19.0 19.4 99 ELKHART PARK G.S. 9400 4.0 4.1 98 21.0 20.4 104 GROS VENTRE SUMMIT 8775 6.5 .0 * 21.0 20.2 104 KENDALL R.S. 7740 .2 .0 * 20.9 19.9 106 LOOMIS PARK 8240 -M .0 * 25.9 23.9 108 NEW FORK LAKE 8340 .0 .0 100* 18.2 18.4 99 SNIDER BASIN 8250 .2 .0 * 23.4 19.4 122 SPRING CREEK DIVIDE 9000 24.2 17.7 137 37.0 33.9 110 TRIPLE PEAK 8500 13.6 13.7 100 39.9 38.9 103 ----- ----- Basin wide percent of average 126* 105 LOWER GREEN RIVER HAMS FORK 7840 .0 .0 100* 19.0 17.0 112 HEWINTA 9500 .0 .0 100* 20.9 19.2 109 HICKERSON PARK 9150 .2 .0 * 16.2 15.4 106 HOLE-IN-ROCK 9150 .0 .2 0* 16.2 15.4 106 INDIAN CREEK 9425 26.4 16.2 163 35.4 32.4 110 KELLEY R.S. 8180 .3 .0 * 25.4 23.9 107 STEEL CREEK PARK 10100 15.9 11.5 138 24.9 20.0 125 ----- ----- Basin wide percent of average 152* 111 UPPER BEAR RIVER BUG LAKE 7950 3.3 2.3 146 30.0 25.0 121 HAYDEN FORK 9400 .3 .0 * 29.7 26.4 113 KELLEY R.S. 8180 .3 .0 * 25.4 23.9 107 LILY LAKE 9050 .0 1.0 0* 26.4 21.2 125 MONTE CRISTO 8960 21.7 9.5 230 38.8 33.8 115 SALT RIVER SUMMIT 7600 .3 .0 * 23.7 21.5 111 TRIAL LAKE 9960 15.0 11.5 130 32.4 31.9 102 ----- ----- Basin wide percent of average 165* 113 ----------------------------------------------------------------------------- -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.