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: DECEMBER 7 , 2005 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 5.7 4.9 116 9.4 6.9 136 COTTONWOOD CREEK 7600 6.4 5.6 114 9.7 9.1 107 GRANITE CREEK 6770 6.0 4.2 143 8.1 6.2 131 GRASSY LAKE 7265 10.2 9.0 113 14.7 11.1 132 GROS VENTRE SUMMIT 8750 4.4 4.5 98 6.3 4.7 134 LEWIS LAKE DIVIDE 7850 10.0 9.1 110 14.3 11.4 125 PHILLIPS BENCH 8200 8.7 7.6 114 10.8 8.6 126 SALT RIVER SUMMIT 7600 4.1 3.2 128 5.8 5.8 100 SNAKE RIVER STATION 6920 5.1 4.8 106 9.8 7.3 134 SPRING CREEK DIVIDE 9000 8.3 8.0 104 8.9 8.4 106 THUMB DIVIDE 7980 5.4 4.7 115 7.6 6.1 125 TOGWOTEE PASS 9580 9.6 7.9 122 10.3 8.2 126 TWO OCEAN PLATEAU 9240 14.9 9.3 160 12.3 9.2 134 WILLOW CREEK 8450 8.6 9.0 96 12.8 10.6 121 ----- ----- Basin wide percent of average 117 124 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 -M 7.9 * -M 6.7 * BLACK BEAR 8170 15.1 11.2 135 15.9 11.9 134 CANYON 8090 5.5 3.8 145 7.1 5.4 131 FISHER CREEK 9100 -M 10.6 * -M 11.2 * MADISON PLATEAU 7750 -M 7.2 * -M 8.2 * NORTHEAST ENTRANCE 7350 3.0 3.0 100 5.3 4.5 118 PARKER PEAK 9400 -M 7.5 * -M 6.0 * SYLVAN LAKE 8420 5.8 7.2 81 9.4 7.9 119 THUMB DIVIDE 7980 5.4 4.7 115 7.6 6.1 125 TWO OCEAN PLATEAU 9240 14.9 9.3 160 12.3 9.2 134 WHISKEY CREEK 6800 4.3 4.6 93 8.9 6.7 133 WHITE MILL 8700 8.8 7.6 116 8.5 8.7 98 WOLVERINE 7650 -M 3.5 * -M 5.0 * ----- ----- Basin wide percent of average 122 124 WIND RIVER BURROUGHS CREEK 8750 3.1 4.4 70 7.0 5.5 127 COLD SPRINGS 9630 -M 3.4 * -M 4.5 * DEER PARK 9700 -M 5.0 * -M 7.8 * HOBBS PARK 10100 3.1 5.9 53 4.4 4.9 90 LITTLE WARM 9370 -M 3.8 * -M 5.0 * SOUTH PASS 9040 4.7 5.7 82 6.3 6.6 95 ST. LAWRENCE ALT 8620 -M 3.0 * -M 3.7 * TOGWOTEE PASS 9580 9.6 7.9 122 10.3 8.2 126 TOWNSEND CREEK 8700 1.4 3.3 42 4.8 4.8 100 ----- ----- Basin wide percent of average 81 109 BIGHORN BASIN BALD MTN. 9380 6.1 6.7 91 4.5 5.9 76 BEAR TRAP MEADOW 8200 -M 1.8 * -M 3.6 * BLACKWATER 9780 8.9 8.7 102 8.1 7.9 103 BONE SPRINGS DIV 9350 6.2 5.8 107 5.6 5.4 104 EVENING STAR 9200 8.6 9.6 90 11.2 9.1 123 GRAVE SPRINGS 8550 2.5 2.9 86 5.1 3.9 131 KIRWIN 9550 5.2 4.6 113 5.4 4.4 123 MARQUETTE 8760 .9 4.0 22 3.5 4.3 81 MIDDLE POWDER 7760 -M 4.0 * -M 5.3 * OWL CREEK 8975 -M 2.1 * -M 2.3 * POWDER RIVER PASS 9480 3.5 3.7 95 4.9 4.5 109 SHELL CREEK 9580 5.1 5.5 93 5.4 4.9 110 SYLVAN LAKE 8420 5.8 7.2 81 9.4 7.9 119 SYLVAN ROAD 7120 3.4 4.1 83 7.5 7.3 103 TIMBER CREEK 7950 .5 2.4 21 3.4 3.1 110 YOUNTS PEAK 8350 -M 5.3 * 8.4 5.8 145 ----- ----- Basin wide percent of average 87 111 SHOSHONE RIVER BLACKWATER 9780 8.9 8.7 102 8.1 7.9 103 EVENING STAR 9200 8.6 9.6 90 11.2 9.1 123 KIRWIN 9550 5.2 4.6 113 5.4 4.4 123 MARQUETTE 8760 .9 4.0 22 3.5 4.3 81 SYLVAN LAKE 8420 5.8 7.2 81 9.4 7.9 119 SYLVAN ROAD 7120 3.4 4.1 83 7.5 7.3 103 YOUNTS PEAK 8350 -M 5.3 * 8.4 5.8 145 ----- ----- Basin wide percent of average 86 115 POWDER-TONGUE BEAR TRAP MEADOW 8200 -M 1.8 * -M 3.6 * BIG GOOSE 7990 2.0 2.7 74 4.1 3.3 124 BONE SPRINGS DIV 9350 6.2 5.8 107 5.6 5.4 104 BURGESS JUNCTION 7880 4.0 3.9 103 5.3 4.6 115 CLOUD PEAK RESERVOIR 9860 4.7 4.1 115 4.5 5.2 87 DOME LAKE 8880 4.2 4.5 93 5.6 5.3 106 GRAVE SPRINGS 8550 2.5 2.9 86 5.1 3.9 131 HANSEN SAWMILL 8360 -M 2.3 * -M 3.4 * MIDDLE POWDER 7760 -M 4.0 * -M 5.3 * POWDER RIVER PASS 9480 3.5 3.7 95 4.9 4.5 109 SUCKER CREEK 8880 3.6 3.6 100 5.9 4.9 120 TIE CREEK 6870 -M 1.3 * -M 4.0 * ----- ----- Basin wide percent of average 98 111 BELLE FOURCHE BLIND PARK 6890 1.7 2.2 77 3.7 4.8 77 COLE CANYON 5910 1.3 2.1 62 4.2 -M * NORTH RAPID CREEK 6130 1.6 2.0 80 3.0 4.1 73 ----- ----- Basin wide percent of average 73 75 UPPER N. PLATTE RIVER COLUMBINE 9160 10.0 5.9 169 13.3 7.4 180 DIVIDE PEAK 8860 5.7 5.9 97 9.1 6.9 132 ELK RIVER 8700 -M 3.8 * -M 5.9 * JOE WRIGHT 10120 9.0 6.9 130 11.7 8.5 138 NORTH FRENCH CREEK 10130 -M 8.9 * -M 8.4 * OLD BATTLE 9920 12.6 10.2 124 15.4 10.6 145 SAGE CREEK BASIN 7850 3.2 3.4 94 6.1 4.0 152 SOUTH BRUSH CREEK 8440 -M 3.3 * -M 5.7 * TOWER 10500 17.4 14.2 123 20.0 12.0 167 WEBBER SPRINGS 9250 -M 7.6 * -M 8.8 * WILLOW CREEK PASS 9540 4.5 4.0 112 6.4 4.8 133 ----- ----- Basin wide percent of average 124 151 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10220 -M 6.9 * -M 7.0 * CASPER MTN. 7850 3.7 5.1 73 6.5 5.6 116 DEADMAN HILL 10220 -M 5.5 * -M 5.8 * DEER PARK 9700 -M 5.0 * -M 7.8 * LAPRELE CREEK 8375 1.8 3.6 50 3.3 4.7 70 RENO HILL 8500 4.8 4.8 100 6.0 5.5 109 ROACH 9700 5.9 4.9 120 8.6 5.8 148 SAND LAKE 10050 12.3 10.4 118 12.5 8.1 154 SOUTH PASS 9040 4.7 5.7 82 6.3 6.6 95 WINDY PEAK 7900 1.5 2.6 58 3.7 4.0 92 ----- ----- Basin wide percent of average 94 116 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 4.2 2.2 191 6.9 4.9 141 DIVIDE PEAK 8860 5.7 5.9 97 9.1 6.9 132 OLD BATTLE 9920 12.6 10.2 124 15.4 10.6 145 SANDSTONE RS 8150 4.4 2.9 152 8.9 6.2 144 WHISKEY PARK 8950 -M 7.0 * -M 8.8 * ----- ----- Basin wide percent of average 127 141 UPPER GREEN RIVER BIG SANDY OPENING 9080 3.2 4.6 70 4.0 4.7 85 BLIND BULL SUM 8900 7.3 8.3 88 7.0 7.3 96 EAST RIM DIVIDE 7930 3.2 3.8 84 5.7 3.9 146 ELKHART PARK G.S. 9400 4.2 4.1 102 5.1 4.8 106 GROS VENTRE SUMMIT 8750 4.4 4.5 98 6.3 4.7 134 KENDALL R.S. 7740 3.5 3.9 90 6.3 4.6 137 LOOMIS PARK 8240 5.7 5.1 112 6.5 5.6 116 NEW FORK LAKE 8340 3.1 3.3 94 3.5 4.2 83 SNIDER BASIN 8060 5.1 4.3 119 5.4 5.2 104 SPRING CREEK DIVIDE 9000 8.3 8.0 104 8.9 8.4 106 TRIPLE PEAK 8500 8.5 7.4 115 9.9 7.4 134 ----- ----- Basin wide percent of average 99 113 LOWER GREEN RIVER HAMS FORK 7840 3.2 3.1 103 4.2 3.9 108 HEWINTA 9500 4.0 2.5 160 6.4 5.3 121 HICKERSON PARK 9100 .7 1.8 39 3.3 3.4 97 HOLE-IN-ROCK 9150 3.1 1.7 182 3.8 3.2 119 INDIAN CREEK 9425 8.5 7.9 108 8.0 8.0 100 KELLEY R.S. 8180 4.6 4.9 94 6.3 6.6 95 STEEL CREEK PARK 10100 5.1 4.5 113 6.7 5.7 118 ----- ----- Basin wide percent of average 111 107 UPPER BEAR RIVER BUG LAKE 7950 5.7 4.8 119 6.8 6.4 106 HAYDEN FORK 9100 6.5 3.7 176 8.6 6.9 125 KELLEY R.S. 8180 4.6 4.9 94 6.3 6.6 95 LILY LAKE 9050 4.8 3.4 141 6.4 6.3 102 MONTE CRISTO 8960 8.0 6.2 129 9.3 8.2 113 SALT RIVER SUMMIT 7600 4.1 3.2 128 5.8 5.8 100 TRIAL LAKE 9960 8.8 6.5 135 9.7 7.6 128 ----- ----- Basin wide percent of average 130 111 ----------------------------------------------------------------------------- -M = Missing data * = Data may not provide a valid measure of conditions. Units = inches for the Current and Average Snow Water Equivalent and Total Precipitation values 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 1971-2000. 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.