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 SUNDAY: JUNE 15 , 1997 ----------------------------------------------------------------------------- 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* 43.8 28.7 153 COTTONWOOD CREEK 7600 .0 .0 100* 44.6 31.9 140 GRANITE CREEK 6770 .0 .0 100* 38.9 30.9 126 GRASSY LAKE 7265 .2 .0 * 67.3 47.6 141 GROS VENTRE SUMMIT 8775 .0 .0 100* 27.2 20.8 131 LEWIS LAKE DIVIDE 7860 4.0 .0 * 68.6 48.4 142 PHILLIPS BENCH 8200 6.4 .0 * 56.1 38.1 147 SALT RIVER SUMMIT 7600 .0 .0 100* 31.3 22.1 142 SNAKE RIVER STATION 6920 .0 .0 100* 45.2 33.4 135 SPRING CREEK DIVIDE 9000 .9 .0 * 40.8 34.6 118 THUMB DIVIDE 7980 .0 .0 100* 41.4 26.8 154 TOGWOTEE PASS 9580 14.3 13.4 107 43.9 36.3 121 TWO OCEAN PLATEAU 9360 29.6 15.7 189 54.5 39.5 138 WILLOW CREEK 8450 .2 .0 * 60.1 41.1 146 ----- ----- Basin wide percent of average 151* 138 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 17.4 9.5 183 38.8 26.2 148 BLACK BEAR 7950 -M 13.9 * 81.1 52.4 155 CANYON 7940 .2 .2 100* 32.2 20.1 160 FISHER CREEK 9100 36.2 21.4 169 61.8 48.8 127 MADISON PLATEAU 7750 .0 .4 0* 49.0 34.7 141 NORTHEAST ENTRANCE 7350 .1 .0 * 27.2 17.7 154 PARKER PEAK 9400 7.7 11.2 69 32.1 23.0 140 SYLVAN LAKE 8420 .0 6.0 0 42.6 27.8 153 THUMB DIVIDE 7980 .0 .0 100* 41.4 26.8 154 TWO OCEAN PLATEAU 9360 29.6 15.7 189 54.5 39.5 138 WHISKEY CREEK 6800 .2 .0 * 38.8 29.0 134 WHITE MILL 8700 17.9 10.9 164 41.6 38.1 109 WOLVERINE 7650 .3 .0 * 22.9 19.2 119 ----- ----- Basin wide percent of average 145* 140 WIND RIVER BURROUGHS CREEK 8750 .0 .0 100* 32.6 23.3 140 CHRISTINA LAKE 9980 1.1 3.6 31 30.8 24.5 126 COLD SPRINGS 9630 .2 .0 * 21.0 17.0 124 HOBBS PARK 10100 .0 3.5 0 23.1 21.9 105 LITTLE WARM 9620 .3 .0 * 28.7 20.2 142 SOUTH PASS 9040 .2 3.9 5 31.9 25.1 127 ST. LAWRENCE ALT 8620 .0 .0 100* 19.7 15.7 125 TOGWOTEE PASS 9580 14.3 13.4 107 43.9 36.3 121 TOWNSEND CREEK 8700 .0 .0 100* 21.7 19.6 111 ----- ----- Basin wide percent of average 64* 124 BIGHORN BASIN BALD MTN. 9375 1.5 9.4 16 28.3 26.4 107 BEAR TRAP MEADOW 7900 .2 .0 * 16.8 15.1 111 BLACKWATER 9780 20.6 7.9 261 38.6 25.8 150 BONE SPRINGS DIV 9350 .4 2.5 16 25.6 23.6 108 EVENING STAR 9200 16.9 15.0 113 50.9 31.9 160 GRAVE SPRINGS 8550 .1 -M * 18.0 17.6 102 KIRWIN 9550 -M .9 * -M 17.3 * LOST CREEK 8080 .0 1.2 0* 25.0 20.0 125 MARQUETTE 8760 .0 .8 0* 21.9 18.5 118 MIDDLE POWDER 7760 .1 .0 * 23.8 19.6 121 OWL CREEK 8975 .2 .0 * 14.0 11.6 121 POWDER RIVER PASS 9480 1.9 .0 * -M 19.5 * SHELL CREEK 9580 .1 4.0 3 22.8 21.4 107 SYLVAN LAKE 8420 .0 6.0 0 42.6 27.8 153 SYLVAN ROAD 8120 .2 .0 * 33.5 23.2 144 TIMBER CREEK 7950 .3 .0 * 17.2 14.8 116 YOUNTS PEAK 8350 .8 2.0 40 34.2 23.5 146 ----- ----- Basin wide percent of average 83* 129 SHOSHONE RIVER BLACKWATER 9780 20.6 7.9 261 38.6 25.8 150 EVENING STAR 9200 16.9 15.0 113 50.9 31.9 160 KIRWIN 9550 -M .9 * -M 17.3 * MARQUETTE 8760 .0 .8 0* 21.9 18.5 118 SYLVAN LAKE 8420 .0 6.0 0 42.6 27.8 153 SYLVAN ROAD 8120 .2 .0 * 33.5 23.2 144 YOUNTS PEAK 8350 .8 2.0 40 34.2 23.5 146 ----- ----- Basin wide percent of average 121 147 POWDER-TONGUE BEAR TRAP MEADOW 7900 .2 .0 * 16.8 15.1 111 BONE SPRINGS DIV 9350 .4 2.5 16 25.6 23.6 108 BURGESS JUNCTION 7880 .2 .0 * 21.5 18.8 114 CLOUD PEAK RESERVOIR 9860 .2 3.2 6 27.1 22.8 119 DOME LAKE 8880 .1 .8 12* 23.6 21.4 110 GRAVE SPRINGS 8550 .1 -M * 18.0 17.6 102 HANSEN SAWMILL 8760 .0 .0 100* 18.5 14.4 128 LOST CREEK 8080 .0 1.2 0* 25.0 20.0 125 MIDDLE POWDER 7760 .1 .0 * 23.8 19.6 121 POWDER RIVER PASS 9480 1.9 .0 * -M 19.5 * SUCKER CREEK 8880 .0 .1 0* 26.5 21.9 121 TIE CREEK 6870 .3 -M * 24.3 18.1 134 ----- ----- Basin wide percent of average 9* 118 BELLE FOURCHE BLIND PARK 6890 .1 .0 * 23.0 20.1 114 NORTH RAPID CREEK 6130 .0 -M * 22.6 -M * WARREN PEAK 6520 -M .0 * 28.0 14.9 188 ----- ----- Basin wide percent of average * 146 UPPER N. PLATTE RIVER COLUMBINE 9400 .0 .0 100* 42.6 31.6 135 DIVIDE PEAK 8800 .0 .3 0* 32.8 31.4 104 ELK RIVER 8700 .1 .0 * 33.8 25.3 134 JOE WRIGHT 10120 9.1 7.2 126 44.0 36.0 122 NORTH FRENCH CREEK 10100 11.6 12.8 91 40.6 33.2 122 OLD BATTLE 10000 20.3 9.2 221 50.2 40.7 123 SOUTH BRUSH CREEK 8400 .1 .0 * 24.9 24.5 102 TOWER 10500 51.7 27.4 189 66.3 50.4 132 WEBBER SPRINGS 9200 .0 2.0 0* 44.4 34.6 128 WILLOW CREEK PASS 9540 .1 .0 * 24.5 19.3 127 ----- ----- Basin wide percent of average 157* 124 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 .4 4.0 10 37.7 27.9 135 CASPER MTN. 7900 .0 .9 0* 30.2 24.1 125 CHRISTINA LAKE 9980 1.1 3.6 31 30.8 24.5 126 DEADMAN HILL 10220 .2 3.8 5 28.6 25.6 112 LAPRELE CREEK 8320 .1 .0 * 21.1 19.2 110 RENO HILL 8400 2.9 .7 414* 30.2 25.5 118 ROACH 9700 .0 1.1 0* 31.3 31.1 101 SAND LAKE 10080 16.9 13.4 126 41.1 29.6 139 SOUTH PASS 9040 .2 3.9 5 31.9 25.1 127 WINDY PEAK 7840 .2 .0 * 18.7 16.8 111 ----- ----- Basin wide percent of average 69 121 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .4 .0 * 16.8 21.3 79 DIVIDE PEAK 8800 .0 .3 0* 32.8 31.4 104 OLD BATTLE 10000 20.3 9.2 221 50.2 40.7 123 SANDSTONE RS 8150 .0 .0 100* 28.7 26.5 108 WHISKEY PARK 8950 2.3 .2 1150* 44.7 38.9 115 ----- ----- Basin wide percent of average 233* 109 UPPER GREEN RIVER BIG SANDY OPENING 9100 .0 .0 100* 22.6 21.3 106 BLIND BULL SUM 8650 15.4 8.9 173 41.1 30.2 136 EAST RIM DIVIDE 7930 .0 .0 100* 22.8 19.9 115 ELKHART PARK G.S. 9400 .1 .0 * 24.8 20.9 119 GROS VENTRE SUMMIT 8775 .0 .0 100* 27.2 20.8 131 KENDALL R.S. 7740 .1 .0 * 30.2 20.4 148 LOOMIS PARK 8240 .1 .0 * 34.6 24.7 140 NEW FORK LAKE 8340 .0 .0 100* 19.1 19.0 101 SNIDER BASIN 8250 .1 .0 * 23.3 19.9 117 SPRING CREEK DIVIDE 9000 .9 .0 * 40.8 34.6 118 TRIPLE PEAK 8500 .0 .0 100* 48.1 39.9 121 ----- ----- Basin wide percent of average 173* 123 LOWER GREEN RIVER HAMS FORK 7840 .1 .0 * 21.2 17.5 121 HEWINTA 9500 .0 .0 100* 20.6 19.9 104 HICKERSON PARK 9150 .0 .0 100* 15.2 16.1 94 HOLE-IN-ROCK 9150 .1 .0 * 15.8 16.1 98 INDIAN CREEK 9425 8.3 .0 * 40.0 33.2 120 KELLEY R.S. 8180 .0 .0 100* 37.6 24.6 153 STEEL CREEK PARK 10100 .7 3.6 19 23.9 21.4 112 ----- ----- Basin wide percent of average 19* 117 UPPER BEAR RIVER BUG LAKE 7950 .1 .0 * 38.3 25.6 150 HAYDEN FORK 9400 .0 .0 100* 33.9 27.2 125 KELLEY R.S. 8180 .0 .0 100* 37.6 24.6 153 LILY LAKE 9050 .0 .0 100* 27.1 22.0 123 MONTE CRISTO 8960 1.1 3.8 29 43.6 34.6 126 SALT RIVER SUMMIT 7600 .0 .0 100* 31.3 22.1 142 TRIAL LAKE 9960 .7 4.0 18 43.0 32.6 132 ----- ----- Basin wide percent of average 23* 135 ----------------------------------------------------------------------------- -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.