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 17 , 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* 43.9 28.8 152 COTTONWOOD CREEK 7600 .0 .0 100* 45.1 32.1 140 GRANITE CREEK 6770 .0 .0 100* 39.2 31.0 126 GRASSY LAKE 7265 .2 .0 * 67.5 47.7 142 GROS VENTRE SUMMIT 8775 .0 .0 100* 27.3 21.0 130 LEWIS LAKE DIVIDE 7860 1.1 .0 * 68.7 48.5 142 PHILLIPS BENCH 8200 3.1 .0 * 56.4 38.2 148 SALT RIVER SUMMIT 7600 .0 .0 100* 31.5 22.3 141 SNAKE RIVER STATION 6920 .0 .0 100* 45.4 33.5 136 SPRING CREEK DIVIDE 9000 .1 .0 * 41.0 34.8 118 THUMB DIVIDE 7980 .0 .0 100* 41.7 27.0 154 TOGWOTEE PASS 9580 11.9 11.7 102 43.9 36.4 121 TWO OCEAN PLATEAU 9360 28.3 13.7 207 54.7 39.7 138 WILLOW CREEK 8450 .2 .0 * 60.3 41.2 146 ----- ----- Basin wide percent of average 158* 138 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 15.0 8.5 176 38.8 26.3 148 BLACK BEAR 7950 -M 12.3 * 81.2 52.6 154 CANYON 7940 .1 .2 50* 32.5 20.3 160 FISHER CREEK 9100 32.2 19.5 165 62.4 49.1 127 MADISON PLATEAU 7750 .0 .4 0* 49.1 34.9 141 NORTHEAST ENTRANCE 7350 .1 .0 * 27.3 17.8 153 PARKER PEAK 9400 5.5 10.2 54 32.2 23.2 139 SYLVAN LAKE 8420 .0 5.2 0 42.9 28.0 153 THUMB DIVIDE 7980 .0 .0 100* 41.7 27.0 154 TWO OCEAN PLATEAU 9360 28.3 13.7 207 54.7 39.7 138 WHISKEY CREEK 6800 .3 .0 * 38.9 29.2 133 WHITE MILL 8700 15.6 9.8 159 42.0 38.3 110 WOLVERINE 7650 .3 .0 * 22.8 19.4 118 ----- ----- Basin wide percent of average 143* 140 WIND RIVER BURROUGHS CREEK 8750 .0 .0 100* 32.5 23.4 139 CHRISTINA LAKE 9980 .4 3.2 12 31.0 24.7 126 COLD SPRINGS 9630 .2 .0 * 21.3 17.2 124 HOBBS PARK 10100 .0 3.1 0 23.3 22.1 105 LITTLE WARM 9620 .3 .0 * 28.6 20.3 141 SOUTH PASS 9040 .2 3.4 6 32.2 25.2 128 ST. LAWRENCE ALT 8620 .0 .0 100* 19.9 15.8 126 TOGWOTEE PASS 9580 11.9 11.7 102 43.9 36.4 121 TOWNSEND CREEK 8700 .0 .0 100* 21.7 19.8 110 ----- ----- Basin wide percent of average 58* 124 BIGHORN BASIN BALD MTN. 9375 1.0 8.3 12 28.8 26.6 108 BEAR TRAP MEADOW 7900 .2 .0 * 17.1 15.2 113 BLACKWATER 9780 18.4 7.2 256 38.6 26.1 148 BONE SPRINGS DIV 9350 .3 2.2 14 26.4 23.8 111 EVENING STAR 9200 14.6 13.9 105 51.1 32.2 159 GRAVE SPRINGS 8550 .1 -M * 18.2 17.8 102 KIRWIN 9550 .1 .8 12* 26.0 17.4 149 LOST CREEK 8080 .0 1.1 0* 25.3 20.2 125 MARQUETTE 8760 .0 .7 0* 22.4 18.7 120 MIDDLE POWDER 7760 .1 .0 * 24.4 19.7 124 OWL CREEK 8975 .2 .0 * 14.6 11.7 125 POWDER RIVER PASS 9480 1.9 .0 * 25.6 19.7 130 SHELL CREEK 9580 .1 3.5 3 23.3 21.6 108 SYLVAN LAKE 8420 .0 5.2 0 42.9 28.0 153 SYLVAN ROAD 8120 .2 .0 * 33.7 23.5 143 TIMBER CREEK 7950 .3 .0 * 17.3 14.9 116 YOUNTS PEAK 8350 .8 1.8 44* 34.3 23.6 145 ----- ----- Basin wide percent of average 79* 130 SHOSHONE RIVER BLACKWATER 9780 18.4 7.2 256 38.6 26.1 148 EVENING STAR 9200 14.6 13.9 105 51.1 32.2 159 KIRWIN 9550 .1 .8 12* 26.0 17.4 149 MARQUETTE 8760 .0 .7 0* 22.4 18.7 120 SYLVAN LAKE 8420 .0 5.2 0 42.9 28.0 153 SYLVAN ROAD 8120 .2 .0 * 33.7 23.5 143 YOUNTS PEAK 8350 .8 1.8 44* 34.3 23.6 145 ----- ----- Basin wide percent of average 115* 147 POWDER-TONGUE BEAR TRAP MEADOW 7900 .2 .0 * 17.1 15.2 113 BONE SPRINGS DIV 9350 .3 2.2 14 26.4 23.8 111 BURGESS JUNCTION 7880 .2 .0 * 22.3 19.0 117 CLOUD PEAK RESERVOIR 9860 .1 2.8 4 27.4 23.0 119 DOME LAKE 8880 .1 .7 14* 24.1 21.5 112 GRAVE SPRINGS 8550 .1 -M * 18.2 17.8 102 HANSEN SAWMILL 8760 .0 .0 100* 19.4 14.6 133 LOST CREEK 8080 .0 1.1 0* 25.3 20.2 125 MIDDLE POWDER 7760 .1 .0 * 24.4 19.7 124 POWDER RIVER PASS 9480 1.9 .0 * 25.6 19.7 130 SUCKER CREEK 8880 .0 .1 0* 27.1 22.1 123 TIE CREEK 6870 .2 -M * 25.2 18.2 138 ----- ----- Basin wide percent of average 7* 120 BELLE FOURCHE BLIND PARK 6890 .1 .0 * 23.2 20.3 114 NORTH RAPID CREEK 6130 .0 -M * 22.7 -M * WARREN PEAK 6520 .0 .0 100* 29.4 15.1 195 ----- ----- Basin wide percent of average * 149 UPPER N. PLATTE RIVER COLUMBINE 9400 .0 .0 100* 42.9 31.6 136 DIVIDE PEAK 8800 .0 .3 0* 33.5 31.5 106 ELK RIVER 8700 .1 .0 * 34.1 25.4 134 JOE WRIGHT 10120 7.5 6.5 115 44.1 36.2 122 NORTH FRENCH CREEK 10100 9.7 11.2 87 41.0 33.4 123 OLD BATTLE 10000 17.2 8.4 205 50.3 40.8 123 SOUTH BRUSH CREEK 8400 .0 .0 100* 25.4 24.6 103 TOWER 10500 49.7 25.2 197 66.4 50.6 131 WEBBER SPRINGS 9200 .0 1.8 0* 44.6 34.8 128 WILLOW CREEK PASS 9540 .1 .0 * 24.8 19.4 128 ----- ----- Basin wide percent of average 157* 124 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 .4 3.5 11 37.9 28.1 135 CASPER MTN. 7900 .0 .8 0* 30.4 24.3 125 CHRISTINA LAKE 9980 .4 3.2 12 31.0 24.7 126 DEADMAN HILL 10220 .3 3.3 9 28.8 25.7 112 LAPRELE CREEK 8320 .2 .0 * 21.9 19.4 113 RENO HILL 8400 3.0 .6 500* 30.6 25.6 120 ROACH 9700 .0 1.0 0* 31.4 31.3 100 SAND LAKE 10080 14.6 12.1 121 41.4 29.7 139 SOUTH PASS 9040 .2 3.4 6 32.2 25.2 128 WINDY PEAK 7840 .2 .0 * 19.1 16.9 113 ----- ----- Basin wide percent of average 68 121 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .4 .0 * 16.8 21.4 79 DIVIDE PEAK 8800 .0 .3 0* 33.5 31.5 106 OLD BATTLE 10000 17.2 8.4 205 50.3 40.8 123 SANDSTONE RS 8150 .0 .0 100* 28.8 26.6 108 WHISKEY PARK 8950 .3 .2 150* 44.9 38.9 115 ----- ----- Basin wide percent of average 197* 109 UPPER GREEN RIVER BIG SANDY OPENING 9100 .0 .0 100* 22.7 21.4 106 BLIND BULL SUM 8650 12.4 7.8 159 41.2 30.3 136 EAST RIM DIVIDE 7930 .0 .0 100* 22.9 20.0 115 ELKHART PARK G.S. 9400 .0 .0 100* 25.1 21.1 119 GROS VENTRE SUMMIT 8775 .0 .0 100* 27.3 21.0 130 KENDALL R.S. 7740 .0 .0 100* 30.2 20.5 147 LOOMIS PARK 8240 .0 .0 100* 34.7 24.8 140 NEW FORK LAKE 8340 .0 .0 100* 19.6 19.0 103 SNIDER BASIN 8250 .2 .0 * 23.4 20.0 117 SPRING CREEK DIVIDE 9000 .1 .0 * 41.0 34.8 118 TRIPLE PEAK 8500 .0 .0 100* 48.6 40.1 121 ----- ----- Basin wide percent of average 159* 123 LOWER GREEN RIVER HAMS FORK 7840 .1 .0 * 21.5 17.6 122 HEWINTA 9500 .0 .0 100* 20.6 20.1 102 HICKERSON PARK 9150 .0 .0 100* 15.2 16.3 93 HOLE-IN-ROCK 9150 .1 .0 * 15.9 16.3 98 INDIAN CREEK 9425 5.8 .0 * 40.2 33.3 121 KELLEY R.S. 8180 .0 .0 100* 37.8 24.8 152 STEEL CREEK PARK 10100 .8 3.2 25 24.1 21.7 111 ----- ----- Basin wide percent of average 25* 117 UPPER BEAR RIVER BUG LAKE 7950 .1 .0 * 38.2 25.7 149 HAYDEN FORK 9400 .0 .0 100* 34.0 27.3 125 KELLEY R.S. 8180 .0 .0 100* 37.8 24.8 152 LILY LAKE 9050 .0 .0 100* 27.4 22.2 123 MONTE CRISTO 8960 1.1 3.3 33 43.7 34.8 126 SALT RIVER SUMMIT 7600 .0 .0 100* 31.5 22.3 141 TRIAL LAKE 9960 .0 3.5 0 43.1 32.8 131 ----- ----- Basin wide percent of average 16* 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.