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 FRIDAY: JUNE 6 , 1997 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 .4 .0 * 42.2 28.2 150 COTTONWOOD CREEK 7600 .2 .0 * 43.0 31.4 137 GRANITE CREEK 6770 .2 1.1 18* 38.4 30.2 127 GRASSY LAKE 7265 8.5 7.7 110 66.2 46.8 141 GROS VENTRE SUMMIT 8775 .0 .0 100* 25.1 20.4 123 LEWIS LAKE DIVIDE 7860 17.4 12.7 137 67.5 47.6 142 PHILLIPS BENCH 8200 16.8 11.3 149 54.1 37.5 144 SALT RIVER SUMMIT 7600 .0 .0 100* 29.4 21.7 135 SNAKE RIVER STATION 6920 .0 .0 100* 44.4 32.8 135 SPRING CREEK DIVIDE 9000 10.0 12.2 82 38.9 34.1 114 THUMB DIVIDE 7980 .0 .0 100* 39.7 26.4 150 TOGWOTEE PASS 9580 21.0 20.0 105 42.3 35.6 119 TWO OCEAN PLATEAU 9360 34.0 20.1 169 53.7 38.8 138 WILLOW CREEK 8450 10.7 12.3 87 57.7 40.4 143 ----- ----- Basin wide percent of average 122 136 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 25.8 15.9 162 37.2 25.4 146 BLACK BEAR 7950 -M 22.6 * -M 51.2 * CANYON 7940 .1 1.0 10* 30.7 19.3 159 FISHER CREEK 9100 48.6 28.0 174 58.4 47.7 122 MADISON PLATEAU 7750 6.8 5.0 136 47.9 33.8 142 NORTHEAST ENTRANCE 7350 .1 .1 100* 24.8 16.9 147 PARKER PEAK 9400 17.4 16.0 109 30.4 22.0 138 SYLVAN LAKE 8420 2.9 11.2 26 40.7 26.8 152 THUMB DIVIDE 7980 .0 .0 100* 39.7 26.4 150 TWO OCEAN PLATEAU 9360 34.0 20.1 169 53.7 38.8 138 WHISKEY CREEK 6800 .2 .8 25* 38.2 28.1 136 WHITE MILL 8700 24.1 16.4 147 38.5 37.1 104 WOLVERINE 7650 .3 .0 * 20.6 18.5 111 ----- ----- Basin wide percent of average 140 135 WIND RIVER BURROUGHS CREEK 8750 .0 1.3 0* 30.2 22.8 132 CHRISTINA LAKE 9980 6.5 7.7 84 29.5 23.9 123 COLD SPRINGS 9630 .2 .2 100* 18.4 16.4 112 HOBBS PARK 10100 6.6 7.2 92 22.4 21.3 105 LITTLE WARM 9620 .3 .5 60* 27.1 19.6 138 SOUTH PASS 9040 -M 7.8 * 31.3 24.4 128 ST. LAWRENCE ALT 8620 .0 .1 0* 18.2 15.1 121 TOGWOTEE PASS 9580 21.0 20.0 105 42.3 35.6 119 TOWNSEND CREEK 8700 .0 1.2 0 20.4 19.0 107 ----- ----- Basin wide percent of average 91* 121 BIGHORN BASIN BALD MTN. 9375 10.1 15.3 66 24.4 25.7 95 BEAR TRAP MEADOW 7900 .2 .0 * 14.5 14.3 101 BLACKWATER 9780 28.0 14.9 188 36.1 24.7 146 BONE SPRINGS DIV 9350 2.6 6.1 43 23.7 22.7 104 EVENING STAR 9200 25.5 21.8 117 49.0 30.6 160 GRAVE SPRINGS 8550 .2 -M * 15.9 16.7 95 KIRWIN 9550 .2 3.6 6 22.0 16.6 133 LOST CREEK 8080 .1 4.2 2 21.9 19.2 114 MARQUETTE 8760 .0 2.9 0 18.4 17.7 104 MIDDLE POWDER 7760 .0 1.6 0 21.3 18.7 114 OWL CREEK 8975 .2 .1 200* 11.6 11.0 105 POWDER RIVER PASS 9480 1.8 .8 225* 21.0 18.7 112 SHELL CREEK 9580 5.4 8.6 63 20.8 20.4 102 SYLVAN LAKE 8420 2.9 11.2 26 40.7 26.8 152 SYLVAN ROAD 8120 .2 .6 33* 31.8 22.3 143 TIMBER CREEK 7950 .3 .1 300* 13.8 14.2 97 YOUNTS PEAK 8350 1.8 6.6 27 32.3 22.7 142 ----- ----- Basin wide percent of average 80 122 SHOSHONE RIVER BLACKWATER 9780 28.0 14.9 188 36.1 24.7 146 EVENING STAR 9200 25.5 21.8 117 49.0 30.6 160 KIRWIN 9550 .2 3.6 6 22.0 16.6 133 MARQUETTE 8760 .0 2.9 0 18.4 17.7 104 SYLVAN LAKE 8420 2.9 11.2 26 40.7 26.8 152 SYLVAN ROAD 8120 .2 .6 33* 31.8 22.3 143 YOUNTS PEAK 8350 1.8 6.6 27 32.3 22.7 142 ----- ----- Basin wide percent of average 95 143 POWDER-TONGUE BEAR TRAP MEADOW 7900 .2 .0 * 14.5 14.3 101 BONE SPRINGS DIV 9350 2.6 6.1 43 23.7 22.7 104 BURGESS JUNCTION 7880 .2 1.5 13 19.7 18.1 109 CLOUD PEAK RESERVOIR 9860 6.1 6.5 94 23.3 21.8 107 DOME LAKE 8880 .1 2.8 4 21.4 20.6 104 GRAVE SPRINGS 8550 .2 -M * 15.9 16.7 95 HANSEN SAWMILL 8760 .0 .5 0* 15.2 13.5 113 LOST CREEK 8080 .1 4.2 2 21.9 19.2 114 MIDDLE POWDER 7760 .0 1.6 0 21.3 18.7 114 POWDER RIVER PASS 9480 1.8 .8 225* 21.0 18.7 112 SUCKER CREEK 8880 .2 2.6 8 24.1 21.0 115 TIE CREEK 6870 .1 -M * 20.0 17.4 115 ----- ----- Basin wide percent of average 42 109 BELLE FOURCHE BLIND PARK 6890 .0 .0 100* 22.9 18.9 121 NORTH RAPID CREEK 6130 .1 -M * 22.3 -M * WARREN PEAK 6520 .2 .1 200* 18.4 13.9 132 ----- ----- Basin wide percent of average 200* 126 UPPER N. PLATTE RIVER COLUMBINE 9400 .0 1.7 0* 41.6 31.1 134 DIVIDE PEAK 8800 .0 2.0 0* 31.8 31.0 103 ELK RIVER 8700 .0 .1 0* 33.4 24.8 135 JOE WRIGHT 10120 17.7 13.6 130 43.2 35.3 122 NORTH FRENCH CREEK 10100 20.6 17.6 117 40.1 32.6 123 OLD BATTLE 10000 34.2 18.7 183 49.5 40.0 124 SOUTH BRUSH CREEK 8400 .0 .6 0* 25.7 23.7 108 TOWER 10500 59.7 38.3 156 64.9 49.8 130 WEBBER SPRINGS 9200 5.2 7.3 71 43.8 34.0 129 WILLOW CREEK PASS 9540 .0 1.4 0 23.9 18.7 128 ----- ----- Basin wide percent of average 136 124 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 9.3 9.7 96 36.5 27.4 133 CASPER MTN. 7900 .0 2.6 0 29.9 23.3 128 CHRISTINA LAKE 9980 6.5 7.7 84 29.5 23.9 123 DEADMAN HILL 10220 6.1 7.9 77 27.3 25.0 109 LAPRELE CREEK 8320 .1 .6 17* 20.9 18.5 113 RENO HILL 8400 2.9 2.1 138 29.2 24.7 118 ROACH 9700 1.8 5.2 35 30.5 30.5 100 SAND LAKE 10080 27.0 20.6 131 39.9 28.8 139 SOUTH PASS 9040 -M 7.8 * 31.3 24.4 128 WINDY PEAK 7840 .2 .0 * 18.0 16.1 112 ----- ----- Basin wide percent of average 95 121 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .4 .0 * 15.9 21.1 75 DIVIDE PEAK 8800 .0 2.0 0* 31.8 31.0 103 OLD BATTLE 10000 34.2 18.7 183 49.5 40.0 124 SANDSTONE RS 8150 .0 .0 100* 28.4 26.2 108 WHISKEY PARK 8950 20.5 7.8 263 43.9 38.5 114 ----- ----- Basin wide percent of average 192* 108 UPPER GREEN RIVER BIG SANDY OPENING 9100 .0 .0 100* 20.9 20.9 100 BLIND BULL SUM 8650 28.7 13.7 209 39.3 29.8 132 EAST RIM DIVIDE 7930 .0 4.5 0 20.7 19.5 106 ELKHART PARK G.S. 9400 .0 2.8 0 22.5 20.5 110 GROS VENTRE SUMMIT 8775 .0 .0 100* 25.1 20.4 123 KENDALL R.S. 7740 .0 .0 100* 26.6 20.0 133 LOOMIS PARK 8240 .0 .0 100* 32.0 24.1 133 NEW FORK LAKE 8340 .0 .0 100* 16.7 18.5 90 SNIDER BASIN 8250 .0 .0 100* 22.4 19.5 115 SPRING CREEK DIVIDE 9000 10.0 12.2 82 38.9 34.1 114 TRIPLE PEAK 8500 2.7 9.5 28 46.4 39.2 118 ----- ----- Basin wide percent of average 97* 117 LOWER GREEN RIVER HAMS FORK 7840 .0 .0 100* 20.1 17.1 118 HEWINTA 9500 .0 .0 100* 18.5 19.3 96 HICKERSON PARK 9150 .0 .0 100* 13.8 15.5 89 HOLE-IN-ROCK 9150 .0 .1 0* 14.5 15.5 94 INDIAN CREEK 9425 15.4 11.2 138 38.4 32.6 118 KELLEY R.S. 8180 .2 .0 * 36.5 24.1 151 STEEL CREEK PARK 10100 3.9 9.0 43 21.8 20.4 107 ----- ----- Basin wide percent of average 95* 113 UPPER BEAR RIVER BUG LAKE 7950 .1 1.5 7* 35.9 25.2 142 HAYDEN FORK 9400 .0 .0 100* 31.7 26.6 119 KELLEY R.S. 8180 .2 .0 * 36.5 24.1 151 LILY LAKE 9050 .1 .6 17* 25.1 21.4 117 MONTE CRISTO 8960 4.5 7.7 58 41.4 34.0 122 SALT RIVER SUMMIT 7600 .0 .0 100* 29.4 21.7 135 TRIAL LAKE 9960 8.2 9.1 90 41.0 32.0 128 ----- ----- Basin wide percent of average 68* 130 ----------------------------------------------------------------------------- -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.