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 16 , 2006 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 13.4 10.4 129 17.2 12.6 137 COTTONWOOD CREEK 7600 16.7 11.9 140 19.7 16.0 123 GRANITE CREEK 6770 13.5 10.0 135 16.1 11.5 140 GRASSY LAKE 7265 22.2 18.8 118 26.9 21.0 128 GROS VENTRE SUMMIT 8750 7.9 8.3 95 8.7 7.5 116 LEWIS LAKE DIVIDE 7850 25.6 18.8 136 26.6 21.1 126 PHILLIPS BENCH 8200 20.2 15.5 130 21.5 16.4 131 SALT RIVER SUMMIT 7600 9.8 7.2 136 12.3 10.7 115 SNAKE RIVER STATION 6920 12.8 10.1 127 17.6 13.2 133 SPRING CREEK DIVIDE 9000 19.7 14.9 132 17.1 15.6 110 THUMB DIVIDE 7980 11.7 9.6 122 13.0 10.8 120 TOGWOTEE PASS 9580 16.0 14.3 112 16.8 14.3 117 TWO OCEAN PLATEAU 9240 23.9 16.2 148 19.6 15.9 123 WILLOW CREEK 8450 20.5 17.2 119 25.0 18.5 135 ----- ----- Basin wide percent of average 128 126 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 14.8 14.0 106 12.6 11.9 106 BLACK BEAR 8170 31.2 21.6 144 -M 21.7 * CANYON 8090 9.5 7.6 125 11.8 9.3 127 FISHER CREEK 9100 25.4 20.4 125 -M 20.7 * MADISON PLATEAU 7750 16.6 13.8 120 -M 14.9 * NORTHEAST ENTRANCE 7350 5.8 6.5 89 8.2 7.6 108 PARKER PEAK 9400 12.4 12.7 98 11.7 9.6 122 SYLVAN LAKE 8420 11.0 12.8 86 14.8 12.8 116 THUMB DIVIDE 7980 11.7 9.6 122 13.0 10.8 120 TWO OCEAN PLATEAU 9240 23.9 16.2 148 19.6 15.9 123 WHISKEY CREEK 6800 9.7 9.3 104 15.2 11.8 129 WHITE MILL 8700 16.0 13.9 115 15.3 15.5 99 WOLVERINE 7650 5.9 7.3 81 5.5 8.1 68 ----- ----- Basin wide percent of average 117 113 WIND RIVER BURROUGHS CREEK 8750 8.4 8.7 97 10.5 9.6 109 COLD SPRINGS 9630 3.0 5.3 57 5.5 6.4 86 DEER PARK 9700 10.7 9.3 115 13.3 12.6 106 HOBBS PARK 10100 6.4 8.9 72 7.1 7.3 97 LITTLE WARM 9370 5.2 6.7 78 7.5 7.9 95 SOUTH PASS 9040 -M 9.8 * -M 10.7 * ST. LAWRENCE ALT 8620 1.5 4.3 35 4.0 5.1 78 TOGWOTEE PASS 9580 16.0 14.3 112 16.8 14.3 117 TOWNSEND CREEK 8700 3.6 5.0 72 6.3 6.6 95 ----- ----- Basin wide percent of average 88 102 BIGHORN BASIN BALD MTN. 9380 9.7 11.8 82 7.7 10.1 76 BEAR TRAP MEADOW 8200 3.4 3.0 113 5.3 5.0 106 BLACKWATER 9780 13.8 14.2 97 12.2 12.4 98 BONE SPRINGS DIV 9350 8.2 9.4 87 8.1 8.4 96 EVENING STAR 9200 15.9 17.0 94 17.9 15.2 118 GRAVE SPRINGS 8550 5.7 4.9 116 7.9 5.6 141 KIRWIN 9550 6.4 6.9 93 6.9 6.7 103 MARQUETTE 8760 1.0 5.4 19 5.1 5.7 89 MIDDLE POWDER 7760 8.0 6.4 125 6.8 7.5 91 OWL CREEK 8975 1.4 3.0 47 3.7 3.3 112 POWDER RIVER PASS 9480 5.7 6.3 90 7.1 7.1 100 SHELL CREEK 9580 7.8 8.7 90 7.4 8.0 92 SYLVAN LAKE 8420 11.0 12.8 86 14.8 12.8 116 SYLVAN ROAD 7120 6.8 7.7 88 11.3 11.6 97 TIMBER CREEK 7950 .8 3.3 24 3.2 4.1 78 YOUNTS PEAK 8350 -M 9.9 * 11.9 9.7 123 ----- ----- Basin wide percent of average 87 103 SHOSHONE RIVER BLACKWATER 9780 13.8 14.2 97 12.2 12.4 98 EVENING STAR 9200 15.9 17.0 94 17.9 15.2 118 KIRWIN 9550 6.4 6.9 93 6.9 6.7 103 MARQUETTE 8760 1.0 5.4 19 5.1 5.7 89 SYLVAN LAKE 8420 11.0 12.8 86 14.8 12.8 116 SYLVAN ROAD 7120 6.8 7.7 88 11.3 11.6 97 YOUNTS PEAK 8350 -M 9.9 * 11.9 9.7 123 ----- ----- Basin wide percent of average 86 108 POWDER-TONGUE BEAR TRAP MEADOW 8200 3.4 3.0 113 5.3 5.0 106 BIG GOOSE 7990 3.5 5.2 67 5.7 5.1 112 BONE SPRINGS DIV 9350 8.2 9.4 87 8.1 8.4 96 BURGESS JUNCTION 7880 6.0 6.5 92 7.4 7.0 106 CLOUD PEAK RESERVOIR 9860 7.2 7.0 103 7.2 7.3 99 DOME LAKE 8880 6.2 7.1 87 7.1 7.8 91 GRAVE SPRINGS 8550 5.7 4.9 116 7.9 5.6 141 HANSEN SAWMILL 8360 2.0 3.7 54 3.8 4.8 79 MIDDLE POWDER 7760 8.0 6.4 125 6.8 7.5 91 POWDER RIVER PASS 9480 5.7 6.3 90 7.1 7.1 100 SUCKER CREEK 8880 6.3 6.3 100 8.8 7.7 114 TIE CREEK 6870 3.2 3.5 91 7.0 5.9 119 ----- ----- Basin wide percent of average 94 104 BELLE FOURCHE BLIND PARK 6890 4.6 4.5 102 6.7 7.0 96 COLE CANYON 5910 2.9 3.5 83 5.2 -M * NORTH RAPID CREEK 6130 3.6 4.1 88 5.0 5.8 86 ----- ----- Basin wide percent of average 92 91 UPPER N. PLATTE RIVER COLUMBINE 9160 19.6 13.0 151 21.8 14.0 156 DIVIDE PEAK 8860 11.0 11.2 98 14.3 11.8 121 ELK RIVER 8700 11.7 9.7 121 13.7 10.7 128 JOE WRIGHT 10120 14.1 11.7 121 17.5 14.0 125 NORTH FRENCH CREEK 10130 21.5 16.0 134 21.8 14.1 155 OLD BATTLE 9920 23.2 17.2 135 27.0 19.1 141 SAGE CREEK BASIN 7850 6.9 6.5 106 9.6 6.8 141 SOUTH BRUSH CREEK 8440 8.0 6.2 129 11.8 9.3 127 TOWER 10500 33.2 25.1 132 29.1 21.5 135 WEBBER SPRINGS 9250 -M 13.7 * -M 15.4 * WILLOW CREEK PASS 9540 6.9 6.5 106 8.7 7.3 119 ----- ----- Basin wide percent of average 127 136 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10220 14.9 13.0 115 12.5 12.1 103 CASPER MTN. 7850 9.3 8.0 116 11.4 8.0 142 DEADMAN HILL 10220 9.6 9.1 105 11.2 9.2 122 DEER PARK 9700 10.7 9.3 115 13.3 12.6 106 LAPRELE CREEK 8375 5.4 6.4 84 6.3 7.1 89 RENO HILL 8500 9.2 7.6 121 10.8 8.2 132 ROACH 9700 9.3 9.1 102 12.3 10.0 123 SAND LAKE 10050 20.6 17.4 118 20.0 13.7 146 SOUTH PASS 9040 -M 9.8 * -M 10.7 * WINDY PEAK 7900 3.5 3.9 90 5.4 6.2 87 ----- ----- Basin wide percent of average 110 118 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 8.7 5.9 147 11.2 8.5 132 DIVIDE PEAK 8860 11.0 11.2 98 14.3 11.8 121 OLD BATTLE 9920 23.2 17.2 135 27.0 19.1 141 SANDSTONE RS 8150 9.0 7.4 122 14.5 10.6 137 WHISKEY PARK 8950 30.1 14.6 206 -M 16.2 * ----- ----- Basin wide percent of average 146 134 UPPER GREEN RIVER BIG SANDY OPENING 9080 9.6 8.2 117 10.1 7.8 129 BLIND BULL SUM 8900 16.5 15.9 104 13.9 13.2 105 EAST RIM DIVIDE 7930 6.8 7.2 94 7.4 6.9 107 ELKHART PARK G.S. 9400 8.8 7.5 117 9.7 7.8 124 GROS VENTRE SUMMIT 8750 7.9 8.3 95 8.7 7.5 116 KENDALL R.S. 7740 9.0 8.3 108 10.2 8.3 123 LOOMIS PARK 8240 11.6 9.6 121 12.5 10.0 125 NEW FORK LAKE 8340 6.6 6.5 102 6.8 6.9 99 SNIDER BASIN 8060 11.0 8.3 133 11.0 9.4 117 SPRING CREEK DIVIDE 9000 19.7 14.9 132 17.1 15.6 110 TRIPLE PEAK 8500 18.3 14.2 129 19.2 13.6 141 ----- ----- Basin wide percent of average 116 118 LOWER GREEN RIVER HAMS FORK 7840 9.1 6.9 132 8.9 7.1 125 HEWINTA 9500 6.2 5.3 117 9.1 8.1 112 HICKERSON PARK 9100 1.7 3.6 47 4.0 4.7 85 HOLE-IN-ROCK 9150 4.2 3.3 127 4.7 4.3 109 INDIAN CREEK 9425 18.7 15.1 124 16.7 14.4 116 KELLEY R.S. 8180 12.5 9.1 137 14.0 11.9 118 STEEL CREEK PARK 10100 9.0 7.9 114 10.4 8.8 118 ----- ----- Basin wide percent of average 120 114 UPPER BEAR RIVER BUG LAKE 7950 14.8 10.7 138 14.0 11.0 127 HAYDEN FORK 9100 12.7 8.0 159 15.4 11.7 132 KELLEY R.S. 8180 12.5 9.1 137 14.0 11.9 118 LILY LAKE 9050 8.6 6.8 126 10.2 10.0 102 MONTE CRISTO 8960 19.4 14.4 135 19.8 14.3 138 SALT RIVER SUMMIT 7600 9.8 7.2 136 12.3 10.7 115 TRIAL LAKE 9960 18.8 13.0 145 19.1 13.4 143 ----- ----- Basin wide percent of average 140 126 ----------------------------------------------------------------------------- -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.