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 WEDNESDAY: JANUARY 18 , 2006 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 13.9 10.7 130 17.7 12.9 137 COTTONWOOD CREEK 7600 17.4 12.2 143 20.3 16.4 124 GRANITE CREEK 6770 13.9 10.3 135 16.4 11.8 139 GRASSY LAKE 7265 23.0 19.3 119 27.4 21.5 127 GROS VENTRE SUMMIT 8750 8.2 8.4 98 9.0 7.7 117 LEWIS LAKE DIVIDE 7850 26.5 19.3 137 26.7 21.6 124 PHILLIPS BENCH 8200 20.8 15.9 131 22.2 16.8 132 SALT RIVER SUMMIT 7600 10.1 7.5 135 12.7 11.0 115 SNAKE RIVER STATION 6920 13.4 10.4 129 18.1 13.5 134 SPRING CREEK DIVIDE 9000 20.3 15.2 134 17.2 15.9 108 THUMB DIVIDE 7980 12.0 9.9 121 13.2 11.1 119 TOGWOTEE PASS 9580 16.4 14.6 112 17.2 14.6 118 TWO OCEAN PLATEAU 9240 24.5 16.5 148 19.9 16.2 123 WILLOW CREEK 8450 21.1 17.6 120 25.5 19.0 134 ----- ----- Basin wide percent of average 129 125 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 15.1 14.3 106 12.9 12.2 106 BLACK BEAR 8170 32.2 22.1 146 -M 22.3 * CANYON 8090 9.8 7.7 127 11.9 9.4 127 FISHER CREEK 9100 26.0 20.8 125 24.9 21.2 117 MADISON PLATEAU 7750 17.2 14.1 122 -M 15.2 * NORTHEAST ENTRANCE 7350 6.1 6.6 92 8.4 7.8 108 PARKER PEAK 9400 12.6 13.0 97 12.0 9.8 122 SYLVAN LAKE 8420 11.5 13.1 88 15.0 13.1 115 THUMB DIVIDE 7980 12.0 9.9 121 13.2 11.1 119 TWO OCEAN PLATEAU 9240 24.5 16.5 148 19.9 16.2 123 WHISKEY CREEK 6800 10.2 9.5 107 15.3 12.0 128 WHITE MILL 8700 16.3 14.2 115 15.3 15.8 97 WOLVERINE 7650 6.2 7.4 84 5.8 8.2 71 ----- ----- Basin wide percent of average 118 113 WIND RIVER BURROUGHS CREEK 8750 8.8 8.9 99 10.6 9.8 108 COLD SPRINGS 9630 3.2 5.4 59 5.6 6.5 86 DEER PARK 9700 10.8 9.6 113 13.5 12.9 105 HOBBS PARK 10100 6.5 9.0 72 7.4 7.4 100 LITTLE WARM 9370 5.5 6.8 81 7.6 8.0 95 SOUTH PASS 9040 10.3 10.0 103 11.3 10.8 105 ST. LAWRENCE ALT 8620 1.6 4.4 36 4.0 5.2 77 TOGWOTEE PASS 9580 16.4 14.6 112 17.2 14.6 118 TOWNSEND CREEK 8700 3.8 5.1 75 6.5 6.7 97 ----- ----- Basin wide percent of average 91 102 BIGHORN BASIN BALD MTN. 9380 9.8 12.0 82 7.9 10.3 77 BEAR TRAP MEADOW 8200 3.5 3.1 113 5.3 5.0 106 BLACKWATER 9780 14.1 14.5 97 12.6 12.7 99 BONE SPRINGS DIV 9350 8.2 9.5 86 8.3 8.6 97 EVENING STAR 9200 16.3 17.3 94 18.4 15.5 119 GRAVE SPRINGS 8550 5.8 5.0 116 7.9 5.7 139 KIRWIN 9550 6.6 7.0 94 7.1 6.8 104 MARQUETTE 8760 1.2 5.5 22 5.4 5.8 93 MIDDLE POWDER 7760 8.0 6.5 123 7.0 7.6 92 OWL CREEK 8975 1.6 3.1 52 3.8 3.3 115 POWDER RIVER PASS 9480 5.8 6.4 91 7.3 7.3 100 SHELL CREEK 9580 8.0 8.8 91 7.5 8.1 93 SYLVAN LAKE 8420 11.5 13.1 88 15.0 13.1 115 SYLVAN ROAD 7120 7.0 7.8 90 11.4 11.9 96 TIMBER CREEK 7950 .9 3.4 26 3.1 4.1 76 YOUNTS PEAK 8350 -M 10.2 * 12.1 10.0 121 ----- ----- Basin wide percent of average 88 103 SHOSHONE RIVER BLACKWATER 9780 14.1 14.5 97 12.6 12.7 99 EVENING STAR 9200 16.3 17.3 94 18.4 15.5 119 KIRWIN 9550 6.6 7.0 94 7.1 6.8 104 MARQUETTE 8760 1.2 5.5 22 5.4 5.8 93 SYLVAN LAKE 8420 11.5 13.1 88 15.0 13.1 115 SYLVAN ROAD 7120 7.0 7.8 90 11.4 11.9 96 YOUNTS PEAK 8350 -M 10.2 * 12.1 10.0 121 ----- ----- Basin wide percent of average 87 108 POWDER-TONGUE BEAR TRAP MEADOW 8200 3.5 3.1 113 5.3 5.0 106 BIG GOOSE 7990 3.7 5.3 70 5.8 5.2 112 BONE SPRINGS DIV 9350 8.2 9.5 86 8.3 8.6 97 BURGESS JUNCTION 7880 6.1 6.6 92 7.7 7.1 108 CLOUD PEAK RESERVOIR 9860 7.6 7.1 107 7.5 7.4 101 DOME LAKE 8880 6.4 7.2 89 7.1 7.9 90 GRAVE SPRINGS 8550 5.8 5.0 116 7.9 5.7 139 HANSEN SAWMILL 8360 2.1 3.8 55 3.9 4.8 81 MIDDLE POWDER 7760 8.0 6.5 123 7.0 7.6 92 POWDER RIVER PASS 9480 5.8 6.4 91 7.3 7.3 100 SUCKER CREEK 8880 6.5 6.4 102 9.1 7.9 115 TIE CREEK 6870 3.3 3.6 92 7.1 6.0 118 ----- ----- Basin wide percent of average 95 104 BELLE FOURCHE BLIND PARK 6890 4.7 4.6 102 6.9 7.1 97 COLE CANYON 5910 2.8 3.6 78 5.4 -M * NORTH RAPID CREEK 6130 3.9 4.2 93 5.2 5.8 90 ----- ----- Basin wide percent of average 92 94 UPPER N. PLATTE RIVER COLUMBINE 9160 20.0 13.5 148 22.0 14.4 153 DIVIDE PEAK 8860 11.4 11.4 100 14.6 12.0 122 ELK RIVER 8700 12.4 10.0 124 13.9 11.0 126 JOE WRIGHT 10120 14.5 12.0 121 17.8 14.3 124 NORTH FRENCH CREEK 10130 22.2 16.3 136 22.2 14.4 154 OLD BATTLE 9920 23.6 17.5 135 27.2 19.5 139 SAGE CREEK BASIN 7850 7.0 6.6 106 9.8 7.0 140 SOUTH BRUSH CREEK 8440 8.3 6.3 132 12.0 9.5 126 TOWER 10500 33.7 25.7 131 29.0 22.0 132 WEBBER SPRINGS 9250 -M 14.0 * -M 15.7 * WILLOW CREEK PASS 9540 7.3 6.6 111 9.2 7.4 124 ----- ----- Basin wide percent of average 127 135 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10220 15.3 13.3 115 12.6 12.4 102 CASPER MTN. 7850 9.6 8.1 119 11.7 8.1 144 DEADMAN HILL 10220 9.8 9.3 105 11.4 9.4 121 DEER PARK 9700 10.8 9.6 113 13.5 12.9 105 LAPRELE CREEK 8375 5.6 6.5 86 6.6 7.2 92 RENO HILL 8500 9.7 7.7 126 11.3 8.4 135 ROACH 9700 9.6 9.4 102 12.3 10.3 119 SAND LAKE 10050 21.2 17.7 120 20.5 14.0 146 SOUTH PASS 9040 10.3 10.0 103 11.3 10.8 105 WINDY PEAK 7900 3.5 4.0 88 5.4 6.3 86 ----- ----- Basin wide percent of average 110 117 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 9.1 6.2 147 11.4 8.6 133 DIVIDE PEAK 8860 11.4 11.4 100 14.6 12.0 122 OLD BATTLE 9920 23.6 17.5 135 27.2 19.5 139 SANDSTONE RS 8150 9.3 7.7 121 14.9 10.9 137 WHISKEY PARK 8950 30.6 15.1 203 -M 16.6 * ----- ----- Basin wide percent of average 145 134 UPPER GREEN RIVER BIG SANDY OPENING 9080 9.8 8.3 118 10.4 7.9 132 BLIND BULL SUM 8900 17.8 16.2 110 14.3 13.5 106 EAST RIM DIVIDE 7930 7.0 7.3 96 7.7 7.1 108 ELKHART PARK G.S. 9400 9.1 7.6 120 9.9 7.9 125 GROS VENTRE SUMMIT 8750 8.2 8.4 98 9.0 7.7 117 KENDALL R.S. 7740 9.4 8.5 111 10.5 8.4 125 LOOMIS PARK 8240 12.0 9.8 122 12.9 10.2 126 NEW FORK LAKE 8340 6.9 6.6 105 7.1 7.0 101 SNIDER BASIN 8060 11.3 8.5 133 11.2 9.7 115 SPRING CREEK DIVIDE 9000 20.3 15.2 134 17.2 15.9 108 TRIPLE PEAK 8500 18.8 14.5 130 19.5 13.9 140 ----- ----- Basin wide percent of average 118 119 LOWER GREEN RIVER HAMS FORK 7840 9.4 7.1 132 9.1 7.2 126 HEWINTA 9500 6.6 5.5 120 9.3 8.3 112 HICKERSON PARK 9100 1.8 3.7 49 4.0 4.7 85 HOLE-IN-ROCK 9150 4.3 3.4 126 4.8 4.4 109 INDIAN CREEK 9425 19.2 15.4 125 17.0 14.7 116 KELLEY R.S. 8180 12.9 9.3 139 14.3 12.2 117 STEEL CREEK PARK 10100 9.2 8.1 114 10.6 9.0 118 ----- ----- Basin wide percent of average 121 114 UPPER BEAR RIVER BUG LAKE 7950 15.3 11.0 139 14.4 11.2 129 HAYDEN FORK 9100 12.9 8.2 157 15.8 12.0 132 KELLEY R.S. 8180 12.9 9.3 139 14.3 12.2 117 LILY LAKE 9050 8.8 7.0 126 10.4 10.2 102 MONTE CRISTO 8960 19.7 14.9 132 20.1 14.6 138 SALT RIVER SUMMIT 7600 10.1 7.5 135 12.7 11.0 115 TRIAL LAKE 9960 19.2 13.3 144 19.2 13.7 140 ----- ----- Basin wide percent of average 139 126 ----------------------------------------------------------------------------- -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.