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 THURSDAY: DECEMBER 8 , 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 5.0 114 9.5 7.1 134 COTTONWOOD CREEK 7600 6.4 5.8 110 9.6 9.2 104 GRANITE CREEK 6770 6.0 4.3 140 8.1 6.3 129 GRASSY LAKE 7265 10.2 9.2 111 -M 11.3 * GROS VENTRE SUMMIT 8750 4.4 4.6 96 6.0 4.8 125 LEWIS LAKE DIVIDE 7850 10.1 9.3 109 -M 11.6 * PHILLIPS BENCH 8200 8.7 7.9 110 10.7 8.8 122 SALT RIVER SUMMIT 7600 4.1 3.2 128 5.9 5.9 100 SNAKE RIVER STATION 6920 5.2 4.9 106 9.9 7.4 134 SPRING CREEK DIVIDE 9000 8.3 8.2 101 9.0 8.6 105 THUMB DIVIDE 7980 5.4 4.8 113 7.5 6.2 121 TOGWOTEE PASS 9580 9.7 8.1 120 10.2 8.4 121 TWO OCEAN PLATEAU 9240 14.8 9.5 156 12.3 9.4 131 WILLOW CREEK 8450 8.6 9.2 93 12.8 10.8 119 ----- ----- Basin wide percent of average 114 120 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 9.5 8.1 117 7.8 6.8 115 BLACK BEAR 8170 15.1 11.4 132 16.2 12.1 134 CANYON 8090 5.5 3.8 145 7.5 5.5 136 FISHER CREEK 9100 15.1 10.9 139 14.7 11.4 129 MADISON PLATEAU 7750 8.2 7.3 112 11.4 8.4 136 NORTHEAST ENTRANCE 7350 3.0 3.1 97 5.3 4.5 118 PARKER PEAK 9400 7.1 7.6 93 7.4 6.1 121 SYLVAN LAKE 8420 5.8 7.4 78 9.4 8.0 118 THUMB DIVIDE 7980 5.4 4.8 113 7.5 6.2 121 TWO OCEAN PLATEAU 9240 14.8 9.5 156 12.3 9.4 131 WHISKEY CREEK 6800 4.2 4.7 89 9.1 6.8 134 WHITE MILL 8700 8.8 7.8 113 8.6 8.9 97 WOLVERINE 7650 3.9 3.6 108 4.0 5.1 78 ----- ----- Basin wide percent of average 118 122 WIND RIVER BURROUGHS CREEK 8750 5.5 4.5 122 7.0 5.6 125 COLD SPRINGS 9630 1.6 3.5 46 4.1 4.5 91 DEER PARK 9700 5.2 5.0 104 6.9 8.0 86 HOBBS PARK 10100 3.2 5.9 54 4.5 5.0 90 LITTLE WARM 9370 3.6 3.8 95 5.6 5.1 110 SOUTH PASS 9040 4.8 5.8 83 6.4 6.7 96 ST. LAWRENCE ALT 8620 .4 3.0 13 2.8 3.7 76 TOGWOTEE PASS 9580 9.7 8.1 120 10.2 8.4 121 TOWNSEND CREEK 8700 1.5 3.4 44 4.9 4.8 102 ----- ----- Basin wide percent of average 83 101 BIGHORN BASIN BALD MTN. 9380 6.0 6.8 88 4.7 6.0 78 BEAR TRAP MEADOW 8200 1.7 1.8 94 4.0 3.6 111 BLACKWATER 9780 8.9 8.8 101 7.9 8.0 99 BONE SPRINGS DIV 9350 6.1 5.8 105 5.8 5.4 107 EVENING STAR 9200 8.5 9.8 87 11.4 9.3 123 GRAVE SPRINGS 8550 2.6 2.9 90 5.2 3.9 133 KIRWIN 9550 5.3 4.7 113 5.5 4.5 122 MARQUETTE 8760 1.0 4.0 25 3.8 4.4 86 MIDDLE POWDER 7760 4.4 4.0 110 5.4 5.3 102 OWL CREEK 8975 .8 2.1 38 2.8 2.4 117 POWDER RIVER PASS 9480 3.5 3.8 92 5.0 4.5 111 SHELL CREEK 9580 5.2 5.5 95 5.4 5.0 108 SYLVAN LAKE 8420 5.8 7.4 78 9.4 8.0 118 SYLVAN ROAD 7120 3.3 4.2 79 7.6 7.4 103 TIMBER CREEK 7950 .7 2.5 28 3.4 3.2 106 YOUNTS PEAK 8350 6.1 5.5 111 8.7 5.9 147 ----- ----- Basin wide percent of average 88 111 SHOSHONE RIVER BLACKWATER 9780 8.9 8.8 101 7.9 8.0 99 EVENING STAR 9200 8.5 9.8 87 11.4 9.3 123 KIRWIN 9550 5.3 4.7 113 5.5 4.5 122 MARQUETTE 8760 1.0 4.0 25 3.8 4.4 86 SYLVAN LAKE 8420 5.8 7.4 78 9.4 8.0 118 SYLVAN ROAD 7120 3.3 4.2 79 7.6 7.4 103 YOUNTS PEAK 8350 6.1 5.5 111 8.7 5.9 147 ----- ----- Basin wide percent of average 88 114 POWDER-TONGUE BEAR TRAP MEADOW 8200 1.7 1.8 94 4.0 3.6 111 BIG GOOSE 7990 2.1 2.8 75 4.2 3.3 127 BONE SPRINGS DIV 9350 6.1 5.8 105 5.8 5.4 107 BURGESS JUNCTION 7880 4.0 4.0 100 5.6 4.6 122 CLOUD PEAK RESERVOIR 9860 4.3 4.2 102 4.7 5.2 90 DOME LAKE 8880 4.2 4.5 93 5.6 5.4 104 GRAVE SPRINGS 8550 2.6 2.9 90 5.2 3.9 133 HANSEN SAWMILL 8360 1.3 2.3 57 3.1 3.4 91 MIDDLE POWDER 7760 4.4 4.0 110 5.4 5.3 102 POWDER RIVER PASS 9480 3.5 3.8 92 5.0 4.5 111 SUCKER CREEK 8880 3.6 3.6 100 6.0 5.0 120 TIE CREEK 6870 2.1 1.4 150 5.5 4.0 138 ----- ----- Basin wide percent of average 97 112 BELLE FOURCHE BLIND PARK 6890 1.7 2.2 77 3.8 4.9 78 COLE CANYON 5910 1.4 2.1 67 4.1 -M * NORTH RAPID CREEK 6130 1.8 2.0 90 3.0 4.1 73 ----- ----- Basin wide percent of average 78 76 UPPER N. PLATTE RIVER COLUMBINE 9160 10.0 6.0 167 13.3 7.6 175 DIVIDE PEAK 8860 5.8 6.0 97 9.2 7.1 130 ELK RIVER 8700 5.0 4.0 125 8.0 6.0 133 JOE WRIGHT 10120 8.9 7.0 127 11.9 8.6 138 NORTH FRENCH CREEK 10130 10.9 9.1 120 11.9 8.5 140 OLD BATTLE 9920 12.6 10.4 121 15.4 10.8 143 SAGE CREEK BASIN 7850 3.2 3.5 91 6.1 4.1 149 SOUTH BRUSH CREEK 8440 4.3 3.4 126 7.5 5.8 129 TOWER 10500 17.4 14.4 121 20.0 12.2 164 WEBBER SPRINGS 9250 8.7 7.8 112 13.5 9.0 150 WILLOW CREEK PASS 9540 4.6 4.0 115 6.4 4.9 131 ----- ----- Basin wide percent of average 121 146 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10220 8.3 7.0 119 6.4 7.1 90 CASPER MTN. 7850 3.7 5.2 71 6.6 5.7 116 DEADMAN HILL 10220 6.1 5.6 109 8.2 5.9 139 DEER PARK 9700 5.2 5.0 104 6.9 8.0 86 LAPRELE CREEK 8375 1.8 3.7 49 3.3 4.7 70 RENO HILL 8500 4.7 4.8 98 6.1 5.6 109 ROACH 9700 5.9 4.9 120 8.5 5.9 144 SAND LAKE 10050 12.4 10.6 117 12.7 8.2 155 SOUTH PASS 9040 4.8 5.8 83 6.4 6.7 96 WINDY PEAK 7900 1.5 2.6 58 3.7 4.1 90 ----- ----- Basin wide percent of average 99 111 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 4.2 2.2 191 6.9 5.0 138 DIVIDE PEAK 8860 5.8 6.0 97 9.2 7.1 130 OLD BATTLE 9920 12.6 10.4 121 15.4 10.8 143 SANDSTONE RS 8150 4.4 3.0 147 9.0 6.3 143 WHISKEY PARK 8950 9.7 7.1 137 13.0 9.0 144 ----- ----- Basin wide percent of average 128 140 UPPER GREEN RIVER BIG SANDY OPENING 9080 3.2 4.7 68 4.0 4.8 83 BLIND BULL SUM 8900 7.3 8.5 86 7.1 7.5 95 EAST RIM DIVIDE 7930 3.3 3.8 87 -M 4.0 * ELKHART PARK G.S. 9400 4.3 4.2 102 5.1 4.9 104 GROS VENTRE SUMMIT 8750 4.4 4.6 96 6.0 4.8 125 KENDALL R.S. 7740 3.7 4.0 92 5.9 4.7 126 LOOMIS PARK 8240 5.4 5.2 104 6.4 5.7 112 NEW FORK LAKE 8340 3.2 3.4 94 3.5 4.3 81 SNIDER BASIN 8060 5.0 4.4 114 5.4 5.3 102 SPRING CREEK DIVIDE 9000 8.3 8.2 101 9.0 8.6 105 TRIPLE PEAK 8500 8.5 7.6 112 10.0 7.6 132 ----- ----- Basin wide percent of average 97 107 LOWER GREEN RIVER HAMS FORK 7840 3.1 3.1 100 4.2 4.0 105 HEWINTA 9500 3.9 2.5 156 6.5 5.4 120 HICKERSON PARK 9100 .2 1.8 11 3.2 3.4 94 HOLE-IN-ROCK 9150 3.0 1.8 167 3.8 3.2 119 INDIAN CREEK 9425 8.5 8.1 105 8.0 8.2 98 KELLEY R.S. 8180 4.5 5.0 90 6.3 6.7 94 STEEL CREEK PARK 10100 5.0 4.6 109 6.8 5.7 119 ----- ----- Basin wide percent of average 105 106 UPPER BEAR RIVER BUG LAKE 7950 5.6 4.9 114 6.8 6.5 105 HAYDEN FORK 9100 6.5 3.8 171 8.7 7.0 124 KELLEY R.S. 8180 4.5 5.0 90 6.3 6.7 94 LILY LAKE 9050 4.8 3.5 137 6.5 6.4 102 MONTE CRISTO 8960 8.0 6.4 125 9.6 8.4 114 SALT RIVER SUMMIT 7600 4.1 3.2 128 5.9 5.9 100 TRIAL LAKE 9960 8.7 6.7 130 9.9 7.7 129 ----- ----- Basin wide percent of average 126 110 ----------------------------------------------------------------------------- -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.