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 15 , 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* 34.3 28.7 120 COTTONWOOD CREEK 7600 .0 .0 100* 40.2 32.0 126 GRANITE CREEK 6770 .0 .2 0* 31.9 30.9 103 GRASSY LAKE 7265 8.0 .2 7900* 55.2 47.7 116 GROS VENTRE SUMMIT 8775 .0 .0 100* 22.9 20.9 110 LEWIS LAKE DIVIDE 7860 13.7 .2 13700* 50.4 48.4 105 PHILLIPS BENCH 8200 11.7 .2 11700* 41.3 38.2 109 SALT RIVER SUMMIT 7600 .2 .0 * 25.4 22.2 114 SNAKE RIVER STATION 6920 .0 .0 100* 34.3 33.4 103 SPRING CREEK DIVIDE 9000 15.2 .2 15200* 38.8 34.8 112 THUMB DIVIDE 7980 -M .0 * -M 26.9 * TOGWOTEE PASS 9580 -M 13.5 * 38.7 36.3 107 TWO OCEAN PLATEAU 9360 30.7 15.7 195 41.2 39.7 104 WILLOW CREEK 8450 4.0 .2 4000* 53.7 41.2 131 ----- ----- Basin wide percent of average 510* 112 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 18.0 9.6 188 30.7 26.2 117 BLACK BEAR 7950 40.8 14.0 291 65.0 52.4 125 CANYON 7940 -M .3 * 25.2 20.2 125 FISHER CREEK 9100 33.8 21.4 158 47.8 48.9 98 MADISON PLATEAU 7750 -M .5 * 42.3 34.8 122 NORTHEAST ENTRANCE 7350 .0 .2 0* 20.4 17.7 115 PARKER PEAK 9400 12.0 11.4 107 -M 23.0 * SYLVAN LAKE 8420 12.1 6.1 199 -M 27.9 * THUMB DIVIDE 7980 -M .0 * -M 26.9 * TWO OCEAN PLATEAU 9360 30.7 15.7 195 41.2 39.7 104 WHISKEY CREEK 6800 .0 .2 0* 34.3 29.2 118 WHITE MILL 8700 19.4 11.0 177 33.3 38.2 88 WOLVERINE 7650 .0 .0 100* 17.4 19.4 91 ----- ----- Basin wide percent of average 187 110 WIND RIVER BURROUGHS CREEK 8750 2.0 .2 2000* 26.5 23.4 114 COLD SPRINGS 9630 .3 .2 300* 26.7 17.2 156 DEER PARK 9700 12.1 -M * 36.5 -M * HOBBS PARK 10100 15.5 3.7 428 31.7 22.0 144 LITTLE WARM 9620 -M .2 * 27.5 20.2 137 SOUTH PASS 9040 -M 4.0 * 32.8 25.2 131 ST. LAWRENCE ALT 8620 .0 .2 0* 23.4 15.7 150 TOGWOTEE PASS 9580 -M 13.5 * 38.7 36.3 107 TOWNSEND CREEK 8700 .2 .2 100* 27.7 19.7 141 ----- ----- Basin wide percent of average 446* 131 BIGHORN BASIN BALD MTN. 9375 13.7 9.5 145 28.9 26.5 109 BEAR TRAP MEADOW 7900 .0 .0 100* 20.4 15.1 135 BLACKWATER 9780 29.0 8.0 363 34.3 25.9 133 BONE SPRINGS DIV 9350 5.5 2.7 212 29.2 23.7 123 EVENING STAR 9200 24.0 15.0 161 44.7 32.0 140 GRAVE SPRINGS 8550 .2 .2 100* 21.2 17.7 120 KIRWIN 9550 4.5 1.0 441* 24.4 17.4 142 MARQUETTE 8760 4.6 .0 512* 24.9 18.7 134 MIDDLE POWDER 7760 .0 .2 0* 22.9 19.7 117 OWL CREEK 8975 .0 .2 0* 19.2 11.6 166 POWDER RIVER PASS 9480 .2 .0 * 25.4 19.7 130 SHELL CREEK 9580 3.8 4.0 95 24.7 21.4 116 SYLVAN LAKE 8420 12.1 6.1 199 -M 27.9 * SYLVAN ROAD 8120 -M .2 * -M 23.4 * TIMBER CREEK 7950 .0 .2 0* 20.4 14.9 138 YOUNTS PEAK 8350 2.3 2.0 111 25.7 23.5 110 ----- ----- Basin wide percent of average 201* 128 SHOSHONE RIVER BLACKWATER 9780 29.0 8.0 363 34.3 25.9 133 EVENING STAR 9200 24.0 15.0 161 44.7 32.0 140 KIRWIN 9550 4.5 1.0 441* 24.4 17.4 142 MARQUETTE 8760 4.6 .0 512* 24.9 18.7 134 SYLVAN LAKE 8420 12.1 6.1 199 -M 27.9 * SYLVAN ROAD 8120 -M .2 * -M 23.4 * YOUNTS PEAK 8350 2.3 2.0 111 25.7 23.5 110 ----- ----- Basin wide percent of average 232 132 POWDER-TONGUE BEAR TRAP MEADOW 7900 .0 .0 100* 20.4 15.1 135 BIG GOOSE 7990 .0 -M * 21.7 -M * BONE SPRINGS DIV 9350 5.5 2.7 212 29.2 23.7 123 BURGESS JUNCTION 7880 .0 .2 0* 21.4 18.9 113 CLOUD PEAK RESERVOIR 9860 2.3 3.3 70 28.7 22.9 126 DOME LAKE 8880 -M .0 * 20.4 21.4 95 GRAVE SPRINGS 8550 .2 .2 100* 21.2 17.7 120 HANSEN SAWMILL 8760 .2 .2 100* 19.9 14.5 137 MIDDLE POWDER 7760 .0 .2 0* 22.9 19.7 117 POWDER RIVER PASS 9480 .2 .0 * 25.4 19.7 130 SUCKER CREEK 8880 .2 .3 50* 25.9 22.0 118 TIE CREEK 6870 .2 -M * 22.2 18.2 123 ----- ----- Basin wide percent of average 125* 121 BELLE FOURCHE BLIND PARK 6890 .2 .0 * 26.7 20.2 133 NORTH RAPID CREEK 6130 .0 -M * 24.9 -M * WARREN PEAK 6520 .0 .2 0* -M 15.0 * ----- ----- Basin wide percent of average 0* 133* UPPER N. PLATTE RIVER COLUMBINE 9400 .0 .2 0* 31.7 31.7 100 DIVIDE PEAK 8800 .0 .5 0* 35.3 31.5 112 ELK RIVER 8700 .0 .2 0* 31.7 25.4 125 JOE WRIGHT 10120 7.5 7.3 103 37.5 36.2 104 NORTH FRENCH CREEK 10100 25.0 13.0 194 43.0 33.3 130 OLD BATTLE 10000 21.4 9.4 231 51.8 40.8 128 SOUTH BRUSH CREEK 8400 7.0 .2 7000* 29.7 24.5 121 TOWER 10500 33.2 27.5 121 53.3 50.5 106 WEBBER SPRINGS 9200 .0 2.2 0* 38.2 34.8 110 WILLOW CREEK PASS 9540 .0 .2 0* 19.9 19.4 104 ----- ----- Basin wide percent of average 157* 114 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 8.1 4.1 198 35.8 28.0 128 CASPER MTN. 7900 .3 1.0 21* 27.0 24.2 112 DEADMAN HILL 10220 .0 3.9 0 26.7 25.7 105 DEER PARK 9700 12.1 -M * 36.5 -M * LAPRELE CREEK 8320 .0 .2 0* 26.7 19.4 139 RENO HILL 8400 .0 .9 0* 29.9 25.5 117 ROACH 9700 .0 1.2 0* 29.2 31.2 94 SAND LAKE 10080 32.5 13.5 241 44.3 29.7 150 SOUTH PASS 9040 -M 4.0 * 32.8 25.2 131 WINDY PEAK 7840 .0 .0 100* 22.9 16.9 136 ----- ----- Basin wide percent of average 166* 123 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .2 .0 * 24.9 21.4 117 DIVIDE PEAK 8800 .0 .5 0* 35.3 31.5 112 OLD BATTLE 10000 21.4 9.4 231 51.8 40.8 128 SANDSTONE RS 8150 .0 .0 100* 28.7 26.7 108 WHISKEY PARK 8950 -M .3 * 41.3 38.9 107 ----- ----- Basin wide percent of average 221* 115 UPPER GREEN RIVER BIG SANDY OPENING 9100 .0 .0 100* 22.4 21.4 105 BLIND BULL SUM 8650 14.5 9.0 162 31.4 30.4 104 EAST RIM DIVIDE 7930 .0 .0 100* 20.9 20.0 105 ELKHART PARK G.S. 9400 .0 .2 0* 23.7 21.0 113 GROS VENTRE SUMMIT 8775 .0 .0 100* 22.9 20.9 110 KENDALL R.S. 7740 .0 .0 100* 22.0 20.5 108 LOOMIS PARK 8240 .0 .0 100* 27.4 24.7 111 NEW FORK LAKE 8340 .0 .0 100* 20.5 19.0 108 SNIDER BASIN 8250 .0 .0 100* 24.9 20.0 125 SPRING CREEK DIVIDE 9000 15.2 .2 15200* 38.8 34.8 112 TRIPLE PEAK 8500 .5 .2 500* 41.5 40.0 104 ----- ----- Basin wide percent of average 325* 109 LOWER GREEN RIVER HAMS FORK 7840 .0 .0 100* 20.4 17.7 116 HEWINTA 9500 .0 .0 100* 22.2 20.0 111 HICKERSON PARK 9150 .2 .0 * 17.0 16.2 105 HOLE-IN-ROCK 9150 .0 .2 0* 17.7 16.2 110 INDIAN CREEK 9425 18.2 .2 18101* 37.4 33.3 113 KELLEY R.S. 8180 .0 .0 100* 27.2 24.7 110 STEEL CREEK PARK 10100 11.1 3.8 300 26.4 21.5 123 ----- ----- Basin wide percent of average 749* 113 UPPER BEAR RIVER BUG LAKE 7950 .2 .2 100* 31.9 25.7 125 HAYDEN FORK 9400 .0 .0 100* 31.0 27.2 114 KELLEY R.S. 8180 .0 .0 100* 27.2 24.7 110 LILY LAKE 9050 .0 .2 0* 27.7 22.2 125 MONTE CRISTO 8960 6.5 3.9 165 41.3 34.8 120 SALT RIVER SUMMIT 7600 .2 .0 * 25.4 22.2 114 TRIAL LAKE 9960 5.6 4.1 137 34.2 32.8 105 ----- ----- Basin wide percent of average 148* 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.