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 MONDAY: DECEMBER 5 , 2005 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 5.6 4.6 122 9.2 6.7 137 COTTONWOOD CREEK 7600 5.9 5.3 111 9.2 8.7 106 GRANITE CREEK 6770 5.8 3.9 149 7.9 5.9 134 GRASSY LAKE 7265 9.4 8.6 109 13.6 10.6 128 GROS VENTRE SUMMIT 8750 4.3 4.3 100 5.6 4.6 122 LEWIS LAKE DIVIDE 7850 10.2 8.6 119 13.8 10.9 127 PHILLIPS BENCH 8200 8.4 7.2 117 10.4 8.2 127 SALT RIVER SUMMIT 7600 3.8 3.0 127 5.6 5.5 102 SNAKE RIVER STATION 6920 -M 4.5 * 9.2 7.0 131 SPRING CREEK DIVIDE 9000 7.8 7.6 103 8.5 8.0 106 THUMB DIVIDE 7980 5.4 4.5 120 7.7 5.9 131 TOGWOTEE PASS 9580 9.1 7.6 120 9.5 7.9 120 TWO OCEAN PLATEAU 9240 14.5 9.0 161 12.1 8.9 136 WILLOW CREEK 8450 7.9 8.6 92 12.2 10.2 120 ----- ----- Basin wide percent of average 118 123 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 9.0 7.6 118 7.4 6.4 116 BLACK BEAR 8170 14.8 10.7 138 15.7 11.4 138 CANYON 8090 5.1 3.6 142 7.1 5.2 137 FISHER CREEK 9100 14.6 10.1 145 14.3 10.7 134 MADISON PLATEAU 7750 8.0 6.8 118 11.2 7.9 142 NORTHEAST ENTRANCE 7350 2.7 2.8 96 5.0 4.3 116 PARKER PEAK 9400 6.8 7.2 94 7.0 5.8 121 SYLVAN LAKE 8420 5.7 6.9 83 9.0 7.6 118 THUMB DIVIDE 7980 5.4 4.5 120 7.7 5.9 131 TWO OCEAN PLATEAU 9240 14.5 9.0 161 12.1 8.9 136 WHISKEY CREEK 6800 4.3 4.3 100 8.7 6.4 136 WHITE MILL 8700 8.2 7.3 112 8.4 8.4 100 WOLVERINE 7650 3.1 3.3 94 3.7 4.8 77 ----- ----- Basin wide percent of average 122 125 WIND RIVER BURROUGHS CREEK 8750 -M 4.2 * 6.3 5.3 119 COLD SPRINGS 9630 1.5 3.3 45 4.0 4.4 91 DEER PARK 9700 5.1 4.8 106 6.8 7.6 89 HOBBS PARK 10100 3.1 5.7 54 4.5 4.8 94 LITTLE WARM 9370 3.2 3.7 86 5.1 4.9 104 SOUTH PASS 9040 4.6 5.4 85 6.3 6.4 98 ST. LAWRENCE ALT 8620 .4 2.9 14 2.7 3.6 75 TOGWOTEE PASS 9580 9.1 7.6 120 9.5 7.9 120 TOWNSEND CREEK 8700 1.6 3.2 50 4.8 4.7 102 ----- ----- Basin wide percent of average 78 101 BIGHORN BASIN BALD MTN. 9380 5.0 6.4 78 4.0 5.7 70 BEAR TRAP MEADOW 8200 1.4 1.7 82 3.7 3.5 106 BLACKWATER 9780 8.7 8.4 104 7.5 7.7 97 BONE SPRINGS DIV 9350 5.5 5.6 98 5.2 5.2 100 EVENING STAR 9200 8.0 9.2 87 10.6 8.8 120 GRAVE SPRINGS 8550 2.4 2.8 86 4.8 3.8 126 KIRWIN 9550 5.1 4.5 113 5.3 4.3 123 MARQUETTE 8760 1.1 3.9 28 3.5 4.3 81 MIDDLE POWDER 7760 4.1 3.8 108 4.9 5.1 96 OWL CREEK 8975 .7 2.0 35 2.5 2.3 109 POWDER RIVER PASS 9480 2.6 3.6 72 3.9 4.3 91 SHELL CREEK 9580 4.5 5.4 83 4.7 4.8 98 SYLVAN LAKE 8420 5.7 6.9 83 9.0 7.6 118 SYLVAN ROAD 7120 3.3 3.9 85 7.3 7.1 103 TIMBER CREEK 7950 .8 2.4 33 3.2 3.1 103 YOUNTS PEAK 8350 -M 5.1 * 8.4 5.6 150 ----- ----- Basin wide percent of average 84 106 SHOSHONE RIVER BLACKWATER 9780 8.7 8.4 104 7.5 7.7 97 EVENING STAR 9200 8.0 9.2 87 10.6 8.8 120 KIRWIN 9550 5.1 4.5 113 5.3 4.3 123 MARQUETTE 8760 1.1 3.9 28 3.5 4.3 81 SYLVAN LAKE 8420 5.7 6.9 83 9.0 7.6 118 SYLVAN ROAD 7120 3.3 3.9 85 7.3 7.1 103 YOUNTS PEAK 8350 -M 5.1 * 8.4 5.6 150 ----- ----- Basin wide percent of average 87 114 POWDER-TONGUE BEAR TRAP MEADOW 8200 1.4 1.7 82 3.7 3.5 106 BIG GOOSE 7990 1.9 2.6 73 4.1 3.2 128 BONE SPRINGS DIV 9350 5.5 5.6 98 5.2 5.2 100 BURGESS JUNCTION 7880 3.7 3.8 97 5.3 4.4 120 CLOUD PEAK RESERVOIR 9860 4.0 4.0 100 4.8 5.1 94 DOME LAKE 8880 4.0 4.4 91 5.2 5.2 100 GRAVE SPRINGS 8550 2.4 2.8 86 4.8 3.8 126 HANSEN SAWMILL 8360 1.3 2.2 59 3.0 3.3 91 MIDDLE POWDER 7760 4.1 3.8 108 4.9 5.1 96 POWDER RIVER PASS 9480 2.6 3.6 72 3.9 4.3 91 SUCKER CREEK 8880 3.2 3.5 91 5.6 4.8 117 TIE CREEK 6870 1.9 1.3 146 5.2 3.9 133 ----- ----- Basin wide percent of average 92 108 BELLE FOURCHE BLIND PARK 6890 1.5 2.1 71 3.2 4.7 68 COLE CANYON 5910 1.2 2.0 60 3.5 -M * NORTH RAPID CREEK 6130 1.5 1.9 79 2.9 4.0 72 ----- ----- Basin wide percent of average 70 70 UPPER N. PLATTE RIVER COLUMBINE 9160 9.2 5.6 164 12.1 7.1 170 DIVIDE PEAK 8860 5.1 5.6 91 8.7 6.7 130 ELK RIVER 8700 4.3 3.6 119 7.4 5.7 130 JOE WRIGHT 10120 8.7 6.7 130 11.3 8.2 138 NORTH FRENCH CREEK 10130 10.5 8.6 122 11.5 8.1 142 OLD BATTLE 9920 12.0 9.8 122 14.9 10.2 146 SAGE CREEK BASIN 7850 2.9 3.3 88 5.9 3.9 151 SOUTH BRUSH CREEK 8440 4.1 3.2 128 7.4 5.5 135 TOWER 10500 16.3 13.7 119 18.8 11.5 163 WEBBER SPRINGS 9250 8.3 7.3 114 12.8 8.5 151 WILLOW CREEK PASS 9540 4.5 3.9 115 6.3 4.7 134 ----- ----- Basin wide percent of average 120 146 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10220 7.6 6.6 115 5.8 6.7 87 CASPER MTN. 7850 3.6 4.9 73 6.5 5.5 118 DEADMAN HILL 10220 5.6 5.3 106 7.6 5.6 136 DEER PARK 9700 5.1 4.8 106 6.8 7.6 89 LAPRELE CREEK 8375 1.7 3.5 49 3.1 4.5 69 RENO HILL 8500 4.4 4.6 96 6.0 5.4 111 ROACH 9700 5.3 4.7 113 7.6 5.6 136 SAND LAKE 10050 11.7 10.0 117 12.0 7.8 154 SOUTH PASS 9040 4.6 5.4 85 6.3 6.4 98 WINDY PEAK 7900 1.5 2.5 60 3.4 3.9 87 ----- ----- Basin wide percent of average 98 110 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 3.9 2.1 186 6.7 4.7 143 DIVIDE PEAK 8860 5.1 5.6 91 8.7 6.7 130 OLD BATTLE 9920 12.0 9.8 122 14.9 10.2 146 SANDSTONE RS 8150 4.2 2.7 156 8.6 5.9 146 WHISKEY PARK 8950 8.7 6.7 130 12.2 8.5 144 ----- ----- Basin wide percent of average 126 142 UPPER GREEN RIVER BIG SANDY OPENING 9080 3.0 4.4 68 3.9 4.6 85 BLIND BULL SUM 8900 7.2 7.9 91 7.0 7.0 100 EAST RIM DIVIDE 7930 2.9 3.6 81 3.7 3.8 97 ELKHART PARK G.S. 9400 4.0 3.9 103 4.9 4.7 104 GROS VENTRE SUMMIT 8750 4.3 4.3 100 5.6 4.6 122 KENDALL R.S. 7740 3.7 3.7 100 5.6 4.5 124 LOOMIS PARK 8240 5.2 4.9 106 6.1 5.3 115 NEW FORK LAKE 8340 2.9 3.1 94 3.3 4.1 80 SNIDER BASIN 8060 4.7 4.1 115 5.1 4.9 104 SPRING CREEK DIVIDE 9000 7.8 7.6 103 8.5 8.0 106 TRIPLE PEAK 8500 8.1 7.0 116 9.6 7.1 135 ----- ----- Basin wide percent of average 99 108 LOWER GREEN RIVER HAMS FORK 7840 2.9 2.9 100 4.0 3.8 105 HEWINTA 9500 3.6 2.4 150 6.0 5.2 115 HICKERSON PARK 9100 .5 1.7 29 3.0 3.3 91 HOLE-IN-ROCK 9150 2.8 1.6 175 3.7 3.1 119 INDIAN CREEK 9425 8.0 7.5 107 7.7 7.7 100 KELLEY R.S. 8180 4.4 4.7 94 6.0 6.3 95 STEEL CREEK PARK 10100 4.7 4.3 109 6.4 5.5 116 ----- ----- Basin wide percent of average 107 105 UPPER BEAR RIVER BUG LAKE 7950 5.5 4.6 120 6.6 6.2 106 HAYDEN FORK 9100 6.0 3.5 171 8.1 6.6 123 KELLEY R.S. 8180 4.4 4.7 94 6.0 6.3 95 LILY LAKE 9050 4.5 3.2 141 6.1 6.1 100 MONTE CRISTO 8960 7.4 5.9 125 8.6 7.9 109 SALT RIVER SUMMIT 7600 3.8 3.0 127 5.6 5.5 102 TRIAL LAKE 9960 8.4 6.2 135 9.3 7.3 127 ----- ----- Basin wide percent of average 129 110 ----------------------------------------------------------------------------- -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.