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 1 , 2006 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 10.0 8.2 122 13.9 10.4 134 COTTONWOOD CREEK 7600 12.0 9.7 124 15.1 13.5 112 GRANITE CREEK 6770 10.3 7.6 136 12.8 9.5 135 GRASSY LAKE 7265 16.8 14.7 114 21.4 17.3 124 GROS VENTRE SUMMIT 8750 6.9 6.9 100 7.7 6.4 120 LEWIS LAKE DIVIDE 7850 19.2 14.8 130 21.6 17.5 123 PHILLIPS BENCH 8200 15.7 12.6 125 17.1 13.5 127 SALT RIVER SUMMIT 7600 7.6 5.4 141 9.8 9.0 109 SNAKE RIVER STATION 6920 9.4 7.9 119 14.4 11.0 131 SPRING CREEK DIVIDE 9000 14.9 12.5 119 14.6 13.0 112 THUMB DIVIDE 7980 8.9 7.6 117 10.6 9.1 116 TOGWOTEE PASS 9580 13.6 11.7 116 14.4 12.0 120 TWO OCEAN PLATEAU 9240 19.3 13.5 143 15.5 13.5 115 WILLOW CREEK 8450 15.3 14.3 107 19.8 15.5 128 ----- ----- Basin wide percent of average 122 122 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 12.6 11.5 110 10.6 10.0 106 BLACK BEAR 8170 24.4 17.2 142 22.2 17.6 126 CANYON 8090 7.3 6.1 120 9.8 7.8 126 FISHER CREEK 9100 21.4 16.3 131 20.8 17.1 122 MADISON PLATEAU 7750 12.6 11.2 112 15.9 12.4 128 NORTHEAST ENTRANCE 7350 4.9 5.0 98 7.0 6.4 109 PARKER PEAK 9400 10.5 10.6 99 10.2 8.2 124 SYLVAN LAKE 8420 9.0 10.5 86 12.6 11.0 115 THUMB DIVIDE 7980 8.9 7.6 117 10.6 9.1 116 TWO OCEAN PLATEAU 9240 19.3 13.5 143 15.5 13.5 115 WHISKEY CREEK 6800 6.8 7.5 91 11.8 9.9 119 WHITE MILL 8700 13.2 11.1 119 13.0 12.8 102 WOLVERINE 7650 5.1 5.8 88 4.8 7.0 69 ----- ----- Basin wide percent of average 117 115 WIND RIVER BURROUGHS CREEK 8750 -M 6.7 * 9.4 8.0 118 COLD SPRINGS 9630 2.3 4.6 50 4.7 5.7 82 DEER PARK 9700 -M 6.7 * -M 10.9 * HOBBS PARK 10100 4.7 7.6 62 5.8 6.4 91 LITTLE WARM 9370 4.6 5.3 87 6.6 6.7 99 SOUTH PASS 9040 8.2 8.2 100 9.4 9.2 102 ST. LAWRENCE ALT 8620 1.1 3.8 29 3.2 4.6 70 TOGWOTEE PASS 9580 13.6 11.7 116 14.4 12.0 120 TOWNSEND CREEK 8700 2.8 4.4 64 5.3 6.0 88 ----- ----- Basin wide percent of average 82 100 BIGHORN BASIN BALD MTN. 9380 8.3 9.7 86 6.7 8.5 79 BEAR TRAP MEADOW 8200 2.9 2.6 112 4.7 4.5 104 BLACKWATER 9780 11.5 12.0 96 10.0 10.8 93 BONE SPRINGS DIV 9350 7.2 7.8 92 7.4 7.3 101 EVENING STAR 9200 12.8 13.7 93 14.9 13.0 115 GRAVE SPRINGS 8550 4.5 4.0 112 6.8 4.9 139 KIRWIN 9550 6.1 5.9 103 6.6 5.9 112 MARQUETTE 8760 1.1 5.0 22 4.1 5.3 77 MIDDLE POWDER 7760 6.6 5.5 120 6.3 6.8 93 OWL CREEK 8975 1.3 2.7 48 3.7 2.9 128 POWDER RIVER PASS 9480 4.9 5.3 92 6.7 6.0 112 SHELL CREEK 9580 6.8 7.3 93 6.3 6.7 94 SYLVAN LAKE 8420 9.0 10.5 86 12.6 11.0 115 SYLVAN ROAD 7120 5.2 6.2 84 9.5 10.1 94 TIMBER CREEK 7950 1.0 3.0 33 3.1 3.7 84 YOUNTS PEAK 8350 -M 7.9 * 10.6 8.2 129 ----- ----- Basin wide percent of average 88 104 SHOSHONE RIVER BLACKWATER 9780 11.5 12.0 96 10.0 10.8 93 EVENING STAR 9200 12.8 13.7 93 14.9 13.0 115 KIRWIN 9550 6.1 5.9 103 6.6 5.9 112 MARQUETTE 8760 1.1 5.0 22 4.1 5.3 77 SYLVAN LAKE 8420 9.0 10.5 86 12.6 11.0 115 SYLVAN ROAD 7120 5.2 6.2 84 9.5 10.1 94 YOUNTS PEAK 8350 -M 7.9 * 10.6 8.2 129 ----- ----- Basin wide percent of average 86 106 POWDER-TONGUE BEAR TRAP MEADOW 8200 2.9 2.6 112 4.7 4.5 104 BIG GOOSE 7990 3.2 4.4 73 5.3 4.5 118 BONE SPRINGS DIV 9350 7.2 7.8 92 7.4 7.3 101 BURGESS JUNCTION 7880 5.5 5.5 100 7.0 6.1 115 CLOUD PEAK RESERVOIR 9860 6.4 5.7 112 6.8 6.4 106 DOME LAKE 8880 5.7 6.1 93 6.4 6.9 93 GRAVE SPRINGS 8550 4.5 4.0 112 6.8 4.9 139 HANSEN SAWMILL 8360 1.9 3.3 58 3.8 4.3 88 MIDDLE POWDER 7760 6.6 5.5 120 6.3 6.8 93 POWDER RIVER PASS 9480 4.9 5.3 92 6.7 6.0 112 SUCKER CREEK 8880 5.7 5.2 110 8.2 6.7 122 TIE CREEK 6870 3.0 2.5 120 6.6 5.1 129 ----- ----- Basin wide percent of average 99 109 BELLE FOURCHE BLIND PARK 6890 4.3 3.5 123 6.1 6.2 98 COLE CANYON 5910 3.0 3.0 100 4.9 -M * NORTH RAPID CREEK 6130 3.8 3.3 115 4.8 5.3 91 ----- ----- Basin wide percent of average 113 95 UPPER N. PLATTE RIVER COLUMBINE 9160 16.0 10.0 160 19.2 11.5 167 DIVIDE PEAK 8860 9.1 9.2 99 12.4 10.0 124 ELK RIVER 8700 9.3 7.2 129 11.8 8.9 133 JOE WRIGHT 10120 13.0 9.7 134 16.1 11.9 135 NORTH FRENCH CREEK 10130 18.2 13.4 136 18.9 12.0 158 OLD BATTLE 9920 19.6 14.6 134 23.5 16.0 147 SAGE CREEK BASIN 7850 5.8 5.3 109 8.5 5.8 147 SOUTH BRUSH CREEK 8440 7.2 5.1 141 10.8 7.8 138 TOWER 10500 27.2 20.6 132 28.0 17.9 156 WEBBER SPRINGS 9250 -M 11.5 * -M 13.0 * WILLOW CREEK PASS 9540 6.5 5.6 116 8.0 6.4 125 ----- ----- Basin wide percent of average 131 145 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10220 12.7 10.8 118 10.3 10.1 102 CASPER MTN. 7850 6.2 6.9 90 8.6 7.2 119 DEADMAN HILL 10220 8.8 7.6 116 10.2 7.9 129 DEER PARK 9700 -M 6.7 * -M 10.9 * LAPRELE CREEK 8375 3.6 5.3 68 4.6 6.2 74 RENO HILL 8500 6.7 6.6 102 8.3 7.2 115 ROACH 9700 8.4 7.3 115 11.4 8.5 134 SAND LAKE 10050 17.6 14.9 118 17.6 11.6 152 SOUTH PASS 9040 8.2 8.2 100 9.4 9.2 102 WINDY PEAK 7900 2.7 3.5 77 4.4 5.5 80 ----- ----- Basin wide percent of average 105 116 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 6.8 4.1 166 9.6 7.1 135 DIVIDE PEAK 8860 9.1 9.2 99 12.4 10.0 124 OLD BATTLE 9920 19.6 14.6 134 23.5 16.0 147 SANDSTONE RS 8150 7.6 5.3 143 12.8 8.9 144 WHISKEY PARK 8950 17.1 11.1 154 -M 13.2 * ----- ----- Basin wide percent of average 136 139 UPPER GREEN RIVER BIG SANDY OPENING 9080 7.4 6.9 107 8.1 6.6 123 BLIND BULL SUM 8900 13.3 13.2 101 11.2 11.1 101 EAST RIM DIVIDE 7930 5.4 5.9 92 6.2 5.8 107 ELKHART PARK G.S. 9400 7.1 6.3 113 7.9 6.7 118 GROS VENTRE SUMMIT 8750 6.9 6.9 100 7.7 6.4 120 KENDALL R.S. 7740 7.3 6.7 109 8.5 6.9 123 LOOMIS PARK 8240 9.6 8.0 120 10.4 8.3 125 NEW FORK LAKE 8340 5.3 5.4 98 5.7 5.9 97 SNIDER BASIN 8060 8.8 6.9 128 9.0 7.9 114 SPRING CREEK DIVIDE 9000 14.9 12.5 119 14.6 13.0 112 TRIPLE PEAK 8500 14.1 11.9 118 15.2 11.2 136 ----- ----- Basin wide percent of average 110 116 LOWER GREEN RIVER HAMS FORK 7840 6.8 5.5 124 6.9 5.8 119 HEWINTA 9500 5.3 4.1 129 7.6 7.0 109 HICKERSON PARK 9100 1.5 2.9 52 3.6 4.2 86 HOLE-IN-ROCK 9150 3.9 2.7 144 4.2 3.9 108 INDIAN CREEK 9425 14.7 12.5 118 13.3 12.2 109 KELLEY R.S. 8180 -M 7.6 * -M 10.1 * STEEL CREEK PARK 10100 7.4 6.7 110 8.8 7.6 116 ----- ----- Basin wide percent of average 115 109 UPPER BEAR RIVER BUG LAKE 7950 10.4 8.3 125 10.7 9.2 116 HAYDEN FORK 9100 9.7 6.3 154 12.3 10.0 123 KELLEY R.S. 8180 -M 7.6 * -M 10.1 * LILY LAKE 9050 6.8 5.5 124 8.2 8.6 95 MONTE CRISTO 8960 14.0 11.0 127 14.3 12.1 118 SALT RIVER SUMMIT 7600 7.6 5.4 141 9.8 9.0 109 TRIAL LAKE 9960 15.6 10.5 149 16.0 11.2 143 ----- ----- Basin wide percent of average 136 119 ----------------------------------------------------------------------------- -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.