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: JANUARY 10 , 2005 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 8.2 9.6 85 9.7 11.7 83 COTTONWOOD CREEK 7600 9.0 11.1 81 11.5 15.0 77 GRANITE CREEK 6770 8.3 9.0 92 10.9 10.7 102 GRASSY LAKE 7265 14.0 17.1 82 15.3 19.5 78 GROS VENTRE SUMMIT 8750 7.8 7.7 101 7.5 7.1 106 LEWIS LAKE DIVIDE 7850 14.4 17.2 84 15.1 19.6 77 PHILLIPS BENCH 8200 14.2 14.3 99 14.6 15.2 96 SALT RIVER SUMMIT 7600 7.5 6.5 115 10.2 10.0 102 SNAKE RIVER STATION 6920 7.0 9.2 76 9.2 12.3 75 SPRING CREEK DIVIDE 9000 14.3 13.9 103 14.1 14.5 97 THUMB DIVIDE 7980 9.1 8.8 103 9.0 10.1 89 TOGWOTEE PASS 9580 10.3 13.2 78 10.5 13.4 78 TWO OCEAN PLATEAU 9240 14.8 15.1 98 12.0 15.0 80 WILLOW CREEK 8450 13.2 16.0 82 15.7 17.3 91 ----- ----- Basin wide percent of average 90 86 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 8.8 13.0 68 7.7 11.2 69 BLACK BEAR 8170 21.5 19.9 108 18.9 20.1 94 CANYON 8090 5.6 7.0 80 7.0 8.7 80 FISHER CREEK 9100 14.4 18.8 77 -M 19.3 * MADISON PLATEAU 7750 12.8 12.8 100 14.2 13.9 102 NORTHEAST ENTRANCE 7350 3.0 5.9 51 4.4 7.1 62 PARKER PEAK 9400 9.5 11.9 80 7.8 9.0 87 SYLVAN LAKE 8420 9.0 11.9 76 10.5 12.1 87 THUMB DIVIDE 7980 9.1 8.8 103 9.0 10.1 89 TWO OCEAN PLATEAU 9240 14.8 15.1 98 12.0 15.0 80 WHISKEY CREEK 6800 -M 8.6 * -M 11.0 * WHITE MILL 8700 9.4 12.8 73 9.2 14.4 64 WOLVERINE 7650 4.5 6.7 67 4.6 7.6 61 ----- ----- Basin wide percent of average 85 82 WIND RIVER BURROUGHS CREEK 8750 5.9 7.9 75 6.1 9.0 68 COLD SPRINGS 9630 5.3 5.0 106 5.7 6.1 93 DEER PARK 9700 16.0 8.2 195 17.8 11.9 150 HOBBS PARK 10100 10.5 8.4 125 9.4 6.9 136 LITTLE WARM 9370 5.3 6.1 87 5.8 7.4 78 SOUTH PASS 9040 13.7 9.2 149 14.4 10.1 143 ST. LAWRENCE ALT 8620 5.0 4.1 122 6.0 4.9 122 TOGWOTEE PASS 9580 10.3 13.2 78 10.5 13.4 78 TOWNSEND CREEK 8700 7.1 4.8 148 -M 6.4 * ----- ----- Basin wide percent of average 118 109 BIGHORN BASIN BALD MTN. 9380 9.2 11.0 84 8.6 9.5 91 BEAR TRAP MEADOW 8200 2.5 2.9 86 4.7 4.8 98 BLACKWATER 9780 9.1 13.3 68 8.2 11.8 69 BONE SPRINGS DIV 9350 8.3 8.8 94 8.0 8.0 100 EVENING STAR 9200 10.6 15.7 68 11.8 14.3 83 GRAVE SPRINGS 8550 3.7 4.6 80 5.5 5.3 104 KIRWIN 9550 4.5 6.5 69 5.0 6.4 78 MARQUETTE 8760 2.2 5.3 42 3.9 5.6 70 MIDDLE POWDER 7760 4.1 6.0 68 5.1 7.2 71 OWL CREEK 8975 2.2 2.9 76 2.6 3.1 84 POWDER RIVER PASS 9480 7.1 5.9 120 7.8 6.7 116 SHELL CREEK 9580 8.1 8.1 100 7.1 7.5 95 SYLVAN LAKE 8420 9.0 11.9 76 10.5 12.1 87 SYLVAN ROAD 7120 5.3 7.1 75 7.7 11.0 70 TIMBER CREEK 7950 1.1 3.2 34 1.8 3.9 46 YOUNTS PEAK 8350 6.3 9.1 69 6.5 9.1 71 ----- ----- Basin wide percent of average 76 83 SHOSHONE RIVER BLACKWATER 9780 9.1 13.3 68 8.2 11.8 69 EVENING STAR 9200 10.6 15.7 68 11.8 14.3 83 KIRWIN 9550 4.5 6.5 69 5.0 6.4 78 MARQUETTE 8760 2.2 5.3 42 3.9 5.6 70 SYLVAN LAKE 8420 9.0 11.9 76 10.5 12.1 87 SYLVAN ROAD 7120 5.3 7.1 75 7.7 11.0 70 YOUNTS PEAK 8350 6.3 9.1 69 6.5 9.1 71 ----- ----- Basin wide percent of average 68 76 POWDER-TONGUE BEAR TRAP MEADOW 8200 2.5 2.9 86 4.7 4.8 98 BIG GOOSE 7990 3.5 4.9 71 4.8 4.8 100 BONE SPRINGS DIV 9350 8.3 8.8 94 8.0 8.0 100 BURGESS JUNCTION 7880 -M 6.1 * -M 6.6 * CLOUD PEAK RESERVOIR 9860 7.8 6.5 120 6.5 6.9 94 DOME LAKE 8880 5.7 6.7 85 6.5 7.4 88 GRAVE SPRINGS 8550 3.7 4.6 80 5.5 5.3 104 HANSEN SAWMILL 8360 3.2 3.6 89 4.3 4.6 93 MIDDLE POWDER 7760 4.1 6.0 68 5.1 7.2 71 POWDER RIVER PASS 9480 7.1 5.9 120 7.8 6.7 116 SUCKER CREEK 8880 5.7 5.8 98 6.8 7.3 93 TIE CREEK 6870 -M 3.1 * 4.3 5.6 77 ----- ----- Basin wide percent of average 93 94 BELLE FOURCHE BLIND PARK 6890 2.9 4.1 71 4.9 6.7 73 COLE CANYON 5910 1.4 3.3 42 4.0 -M * NORTH RAPID CREEK 6130 2.1 3.8 55 3.8 5.6 68 ----- ----- Basin wide percent of average 57 71 UPPER N. PLATTE RIVER COLUMBINE 9160 11.3 11.8 96 12.7 13.0 98 DIVIDE PEAK 8860 11.6 10.4 112 14.3 11.1 129 ELK RIVER 8700 10.8 8.7 124 11.9 10.0 119 JOE WRIGHT 10120 11.2 10.9 103 11.4 13.1 87 NORTH FRENCH CREEK 10130 12.3 14.9 83 12.0 13.3 90 OLD BATTLE 9920 19.5 16.1 121 21.9 17.9 122 SAGE CREEK BASIN 7850 9.1 6.0 152 11.1 6.4 173 SOUTH BRUSH CREEK 8440 4.4 5.7 77 6.2 8.7 71 TOWER 10500 20.4 23.3 88 20.6 20.1 102 WEBBER SPRINGS 9250 13.9 12.8 109 16.2 14.5 112 WILLOW CREEK PASS 9540 8.4 6.1 138 8.4 7.0 120 ----- ----- Basin wide percent of average 105 109 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10220 9.4 12.2 77 9.1 11.3 81 CASPER MTN. 7850 6.0 7.5 80 7.1 7.7 92 DEADMAN HILL 10220 9.5 8.5 112 7.1 8.7 82 DEER PARK 9700 16.0 8.2 195 17.8 11.9 150 LAPRELE CREEK 8375 3.4 5.9 58 5.8 6.8 85 RENO HILL 8500 4.7 7.2 65 5.5 7.8 71 ROACH 9700 7.4 8.4 88 9.6 9.4 102 SAND LAKE 10050 11.8 16.4 72 10.6 12.8 83 SOUTH PASS 9040 13.7 9.2 149 14.4 10.1 143 WINDY PEAK 7900 -M 3.8 * -M 5.9 * ----- ----- Basin wide percent of average 98 101 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 6.0 5.2 115 8.8 7.9 111 DIVIDE PEAK 8860 11.6 10.4 112 14.3 11.1 129 OLD BATTLE 9920 19.5 16.1 121 21.9 17.9 122 SANDSTONE RS 8150 5.7 6.6 86 10.9 9.9 110 WHISKEY PARK 8950 13.2 13.2 100 14.7 15.0 98 ----- ----- Basin wide percent of average 109 114 UPPER GREEN RIVER BIG SANDY OPENING 9080 10.7 7.7 139 10.5 7.3 144 BLIND BULL SUM 8900 11.3 14.8 76 10.2 12.3 83 EAST RIM DIVIDE 7930 4.9 6.7 73 6.0 6.5 92 ELKHART PARK G.S. 9400 -M 7.0 * -M 7.3 * GROS VENTRE SUMMIT 8750 7.8 7.7 101 7.5 7.1 106 KENDALL R.S. 7740 7.1 7.7 92 7.9 7.7 103 LOOMIS PARK 8240 8.2 9.0 91 9.0 9.3 97 NEW FORK LAKE 8340 6.2 6.0 103 5.9 6.5 91 SNIDER BASIN 8060 8.9 7.7 116 9.6 8.8 109 SPRING CREEK DIVIDE 9000 14.3 13.9 103 14.1 14.5 97 TRIPLE PEAK 8500 10.6 13.3 80 11.9 12.7 94 ----- ----- Basin wide percent of average 95 100 LOWER GREEN RIVER HAMS FORK 7840 7.3 6.3 116 8.3 6.6 126 HEWINTA 9500 4.8 4.8 100 7.1 7.7 92 HICKERSON PARK 9100 5.3 3.4 156 7.8 4.5 173 HOLE-IN-ROCK 9150 4.6 3.1 148 7.0 4.2 167 INDIAN CREEK 9425 16.9 14.0 121 15.2 13.5 113 KELLEY R.S. 8180 10.3 8.5 121 12.0 11.2 107 STEEL CREEK PARK 10100 8.9 7.4 120 9.6 8.3 116 ----- ----- Basin wide percent of average 122 120 UPPER BEAR RIVER BUG LAKE 7950 11.8 9.7 122 14.2 10.3 138 HAYDEN FORK 9100 11.0 7.3 151 15.8 11.0 144 KELLEY R.S. 8180 10.3 8.5 121 12.0 11.2 107 LILY LAKE 9050 8.1 6.3 129 11.0 9.4 117 MONTE CRISTO 8960 18.3 13.1 140 18.3 13.4 137 SALT RIVER SUMMIT 7600 7.5 6.5 115 10.2 10.0 102 TRIAL LAKE 9960 17.9 12.0 149 19.8 12.5 158 ----- ----- Basin wide percent of average 134 130 ----------------------------------------------------------------------------- -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.