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 SUNDAY: JANUARY 22 , 2006 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 14.8 11.3 131 18.7 13.4 140 COTTONWOOD CREEK 7600 18.3 12.8 143 21.2 17.0 125 GRANITE CREEK 6770 14.6 10.9 134 17.1 12.3 139 GRASSY LAKE 7265 24.8 20.4 122 29.3 22.5 130 GROS VENTRE SUMMIT 8750 8.2 8.7 94 9.2 8.0 115 LEWIS LAKE DIVIDE 7850 28.1 20.4 138 28.8 22.5 128 PHILLIPS BENCH 8200 21.7 16.6 131 22.9 17.6 130 SALT RIVER SUMMIT 7600 10.7 8.0 134 13.2 11.4 116 SNAKE RIVER STATION 6920 14.2 11.0 129 19.0 14.1 135 SPRING CREEK DIVIDE 9000 21.4 15.8 135 17.1 16.6 103 THUMB DIVIDE 7980 12.5 10.4 120 13.6 11.5 118 TOGWOTEE PASS 9580 17.0 15.3 111 17.9 15.3 117 TWO OCEAN PLATEAU 9240 25.5 17.2 148 20.7 16.9 122 WILLOW CREEK 8450 22.3 18.3 122 26.7 19.8 135 ----- ----- Basin wide percent of average 129 126 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 15.5 14.8 105 13.4 12.7 106 BLACK BEAR 8170 33.7 23.1 146 -M 23.4 * CANYON 8090 10.1 8.1 125 12.6 9.8 129 FISHER CREEK 9100 27.1 21.7 125 -M 22.2 * MADISON PLATEAU 7750 17.9 14.7 122 22.7 15.9 143 NORTHEAST ENTRANCE 7350 6.3 6.9 91 8.7 8.1 107 PARKER PEAK 9400 12.9 13.5 96 12.1 10.2 119 SYLVAN LAKE 8420 11.9 13.7 87 15.9 13.6 117 THUMB DIVIDE 7980 12.5 10.4 120 13.6 11.5 118 TWO OCEAN PLATEAU 9240 25.5 17.2 148 20.7 16.9 122 WHISKEY CREEK 6800 10.6 10.0 106 16.3 12.5 130 WHITE MILL 8700 17.1 14.7 116 16.1 16.5 98 WOLVERINE 7650 6.7 7.8 86 5.8 8.5 68 ----- ----- Basin wide percent of average 118 116 WIND RIVER BURROUGHS CREEK 8750 9.0 9.2 98 11.1 10.2 109 COLD SPRINGS 9630 3.1 5.6 55 5.7 6.6 86 DEER PARK 9700 11.1 10.2 109 14.2 13.3 107 HOBBS PARK 10100 6.7 9.2 73 7.3 7.6 96 LITTLE WARM 9370 5.6 7.1 79 8.0 8.3 96 SOUTH PASS 9040 10.6 10.4 102 11.9 11.2 106 ST. LAWRENCE ALT 8620 1.4 4.5 31 3.9 5.3 74 TOGWOTEE PASS 9580 17.0 15.3 111 17.9 15.3 117 TOWNSEND CREEK 8700 3.3 5.2 63 6.4 6.9 93 ----- ----- Basin wide percent of average 88 102 BIGHORN BASIN BALD MTN. 9380 10.0 12.4 81 7.8 10.7 73 BEAR TRAP MEADOW 8200 3.5 3.2 109 5.4 5.2 104 BLACKWATER 9780 14.9 15.1 99 13.3 13.1 102 BONE SPRINGS DIV 9350 8.4 9.8 86 8.3 8.9 93 EVENING STAR 9200 16.8 18.0 93 18.9 16.1 117 GRAVE SPRINGS 8550 5.9 5.2 113 8.1 5.9 137 KIRWIN 9550 6.8 7.2 94 7.2 7.1 101 MARQUETTE 8760 1.1 5.6 20 5.2 5.9 88 MIDDLE POWDER 7760 8.3 6.7 124 7.2 7.8 92 OWL CREEK 8975 1.4 3.2 44 3.3 3.4 97 POWDER RIVER PASS 9480 6.0 6.6 91 7.3 7.6 96 SHELL CREEK 9580 8.0 9.1 88 7.7 8.5 91 SYLVAN LAKE 8420 11.9 13.7 87 15.9 13.6 117 SYLVAN ROAD 7120 7.4 8.1 91 11.8 12.3 96 TIMBER CREEK 7950 .7 3.4 21 3.3 4.2 79 YOUNTS PEAK 8350 -M 10.7 * 12.5 10.4 120 ----- ----- Basin wide percent of average 87 102 SHOSHONE RIVER BLACKWATER 9780 14.9 15.1 99 13.3 13.1 102 EVENING STAR 9200 16.8 18.0 93 18.9 16.1 117 KIRWIN 9550 6.8 7.2 94 7.2 7.1 101 MARQUETTE 8760 1.1 5.6 20 5.2 5.9 88 SYLVAN LAKE 8420 11.9 13.7 87 15.9 13.6 117 SYLVAN ROAD 7120 7.4 8.1 91 11.8 12.3 96 YOUNTS PEAK 8350 -M 10.7 * 12.5 10.4 120 ----- ----- Basin wide percent of average 87 108 POWDER-TONGUE BEAR TRAP MEADOW 8200 3.5 3.2 109 5.4 5.2 104 BIG GOOSE 7990 3.6 5.5 65 5.7 5.3 108 BONE SPRINGS DIV 9350 8.4 9.8 86 8.3 8.9 93 BURGESS JUNCTION 7880 6.0 6.8 88 7.4 7.3 101 CLOUD PEAK RESERVOIR 9860 7.7 7.4 104 7.2 7.6 95 DOME LAKE 8880 6.3 7.4 85 7.2 8.1 89 GRAVE SPRINGS 8550 5.9 5.2 113 8.1 5.9 137 HANSEN SAWMILL 8360 2.1 3.9 54 3.9 5.0 78 MIDDLE POWDER 7760 8.3 6.7 124 7.2 7.8 92 POWDER RIVER PASS 9480 6.0 6.6 91 7.3 7.6 96 SUCKER CREEK 8880 6.4 6.6 97 9.0 8.1 111 TIE CREEK 6870 3.2 3.7 86 7.0 6.3 111 ----- ----- Basin wide percent of average 93 101 BELLE FOURCHE BLIND PARK 6890 4.6 4.8 96 6.8 7.3 93 COLE CANYON 5910 2.7 3.7 73 5.6 -M * NORTH RAPID CREEK 6130 -M 4.4 * 5.1 6.0 85 ----- ----- Basin wide percent of average 86 89 UPPER N. PLATTE RIVER COLUMBINE 9160 20.7 14.3 145 22.0 15.0 147 DIVIDE PEAK 8860 11.6 11.9 97 14.8 12.5 118 ELK RIVER 8700 13.1 10.6 124 14.6 11.5 127 JOE WRIGHT 10120 15.1 12.5 121 18.1 14.8 122 NORTH FRENCH CREEK 10130 22.8 16.9 135 22.8 15.0 152 OLD BATTLE 9920 24.7 18.2 136 28.2 20.3 139 SAGE CREEK BASIN 7850 7.4 6.9 107 10.2 7.2 142 SOUTH BRUSH CREEK 8440 8.4 6.6 127 12.1 9.9 122 TOWER 10500 35.1 27.0 130 -M 23.0 * WEBBER SPRINGS 9250 -M 14.6 * -M 16.4 * WILLOW CREEK PASS 9540 7.5 6.9 109 9.4 7.7 122 ----- ----- Basin wide percent of average 126 134 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10220 15.8 13.9 114 13.1 12.9 102 CASPER MTN. 7850 9.7 8.4 115 11.9 8.4 142 DEADMAN HILL 10220 10.3 9.7 106 11.9 9.7 123 DEER PARK 9700 11.1 10.2 109 14.2 13.3 107 LAPRELE CREEK 8375 5.7 6.7 85 6.7 7.5 89 RENO HILL 8500 9.7 7.9 123 11.2 8.6 130 ROACH 9700 10.0 9.8 102 12.1 10.7 113 SAND LAKE 10050 21.7 18.3 119 20.8 14.5 143 SOUTH PASS 9040 10.6 10.4 102 11.9 11.2 106 WINDY PEAK 7900 3.5 4.1 85 5.6 6.5 86 ----- ----- Basin wide percent of average 109 116 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 9.3 6.6 141 11.7 9.0 130 DIVIDE PEAK 8860 11.6 11.9 97 14.8 12.5 118 OLD BATTLE 9920 24.7 18.2 136 28.2 20.3 139 SANDSTONE RS 8150 9.7 8.3 117 15.2 11.3 135 WHISKEY PARK 8950 22.9 16.1 142 24.7 17.4 142 ----- ----- Basin wide percent of average 128 134 UPPER GREEN RIVER BIG SANDY OPENING 9080 10.0 8.7 115 10.5 8.2 128 BLIND BULL SUM 8900 -M 16.8 * 14.9 14.0 106 EAST RIM DIVIDE 7930 7.2 7.7 94 7.9 7.4 107 ELKHART PARK G.S. 9400 9.1 8.0 114 10.0 8.2 122 GROS VENTRE SUMMIT 8750 8.2 8.7 94 9.2 8.0 115 KENDALL R.S. 7740 9.6 8.9 108 10.8 8.8 123 LOOMIS PARK 8240 12.4 10.2 122 13.2 10.7 123 NEW FORK LAKE 8340 6.9 6.9 100 7.0 7.3 96 SNIDER BASIN 8060 11.7 8.9 131 11.6 10.1 115 SPRING CREEK DIVIDE 9000 21.4 15.8 135 17.1 16.6 103 TRIPLE PEAK 8500 19.8 15.1 131 20.7 14.6 142 ----- ----- Basin wide percent of average 118 117 LOWER GREEN RIVER HAMS FORK 7840 10.0 7.5 133 9.5 7.6 125 HEWINTA 9500 6.7 5.8 116 9.7 8.6 113 HICKERSON PARK 9100 1.8 3.9 46 4.2 4.9 86 HOLE-IN-ROCK 9150 4.2 3.6 117 4.9 4.5 109 INDIAN CREEK 9425 20.3 16.0 127 18.3 15.3 120 KELLEY R.S. 8180 13.8 9.7 142 15.3 12.7 120 STEEL CREEK PARK 10100 9.5 8.5 112 10.9 9.3 117 ----- ----- Basin wide percent of average 121 116 UPPER BEAR RIVER BUG LAKE 7950 16.2 11.6 140 15.0 11.7 128 HAYDEN FORK 9100 13.3 8.7 153 16.2 12.4 131 KELLEY R.S. 8180 13.8 9.7 142 15.3 12.7 120 LILY LAKE 9050 9.4 7.3 129 10.8 10.6 102 MONTE CRISTO 8960 20.7 15.8 131 21.1 15.2 139 SALT RIVER SUMMIT 7600 10.7 8.0 134 13.2 11.4 116 TRIAL LAKE 9960 19.7 14.0 141 20.0 14.3 140 ----- ----- Basin wide percent of average 138 126 ----------------------------------------------------------------------------- -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.