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 3 , 2011 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 10.3 8.5 121 13.5 10.7 126 COTTONWOOD CREEK 7670 14.4 10.0 144 19.1 13.9 137 GRAND TARGHEE 9260 24.8 -M * 18.1 -M * GRANITE CREEK 6770 10.9 7.9 138 13.3 9.8 136 GRASSY LAKE 7265 16.7 15.2 110 19.9 17.9 111 GROS VENTRE SUMMIT 8750 8.7 7.1 123 8.6 6.5 132 GUNSIGHT PASS 9820 9.3 -M * 9.6 -M * LEWIS LAKE DIVIDE 7850 19.0 15.3 124 19.9 18.0 111 PHILLIPS BENCH 8200 16.8 13.0 129 18.2 13.9 131 SALT RIVER SUMMIT 7760 8.3 5.6 148 12.3 9.2 134 SNAKE RIVER STATION 6920 7.9 8.1 98 14.3 11.3 127 SPRING CREEK DIVIDE 9000 16.5 12.8 129 17.1 13.4 128 THUMB DIVIDE 7980 11.8 7.9 149 12.3 9.3 132 TOGWOTEE PASS 9580 15.1 12.0 126 16.3 12.4 131 TWO OCEAN PLATEAU 9240 19.2 13.8 139 15.3 13.8 111 WILLOW CREEK 8380 16.6 14.7 113 21.8 16.0 136 ----- ----- Basin wide percent of average 127 126 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9360 12.4 11.8 105 12.2 10.3 118 BLACK BEAR 8170 22.9 17.8 129 23.6 18.2 130 CANYON 7870 8.6 6.3 137 10.0 8.0 125 FISHER CREEK 9100 18.8 16.7 113 18.6 17.6 106 MADISON PLATEAU 7750 15.0 11.6 129 16.7 12.7 131 NORTHEAST ENTRANCE 7350 6.0 5.1 118 7.9 6.6 120 PARKER PEAK 9400 13.9 10.9 128 14.4 8.4 171 SYLVAN LAKE 8420 12.0 10.9 110 15.0 11.3 133 THUMB DIVIDE 7980 11.8 7.9 149 12.3 9.3 132 TWO OCEAN PLATEAU 9240 19.2 13.8 139 15.3 13.8 111 WHISKEY CREEK 6800 10.3 7.7 134 12.9 10.2 126 WHITE MILL 8700 13.1 11.4 115 14.1 13.2 107 WOLVERINE 7650 7.5 5.9 127 7.6 7.2 106 ----- ----- Basin wide percent of average 124 123 WIND RIVER BURROUGHS CREEK 8750 7.9 6.9 114 8.3 8.2 101 CASTLE CREEK 8400 3.6 -M * 4.1 -M * COLD SPRINGS 9630 4.9 4.7 104 5.0 5.8 86 DEER PARK 9700 12.7 7.0 181 13.6 11.1 123 HOBBS PARK 10100 8.5 7.8 109 7.6 6.5 117 LITTLE WARM 9370 6.6 5.5 120 6.7 6.9 97 SOUTH PASS 9040 10.3 8.3 124 9.2 9.4 98 ST. LAWRENCE ALT 8620 3.1 3.8 82 4.1 4.7 87 TOGWOTEE PASS 9580 15.1 12.0 126 16.3 12.4 131 TOWNSEND CREEK 8700 4.8 4.4 109 6.8 6.1 111 ----- ----- Basin wide percent of average 122 109 BIGHORN BASIN BALD MTN. 9380 10.4 9.9 105 9.4 8.7 108 BEAR TRAP MEADOW 8200 3.4 2.6 131 4.4 4.6 96 BLACKWATER 9780 14.1 12.3 115 13.4 11.0 122 BONE SPRINGS DIV 9350 8.0 8.0 100 7.3 7.5 97 EVENING STAR 9200 16.1 14.1 114 17.3 13.3 130 GRAVE SPRINGS 8550 3.6 4.2 86 4.3 5.0 86 KIRWIN 9550 6.8 6.0 113 7.3 6.0 122 MARQUETTE 8760 1.7 5.0 34 3.4 5.4 63 MIDDLE POWDER 7760 5.1 5.6 91 3.5 6.9 51 OWL CREEK 8975 2.4 2.7 89 2.7 3.0 90 POWDER RIVER PASS 9480 6.4 5.4 119 7.2 6.1 118 SHELL CREEK 9580 7.3 7.5 97 6.4 6.9 93 SYLVAN LAKE 8420 12.0 10.9 110 15.0 11.3 133 SYLVAN ROAD 7120 8.1 6.4 127 11.1 10.3 108 TIMBER CREEK 7950 2.2 3.0 73 2.6 3.8 68 YOUNTS PEAK 8350 9.5 8.1 117 8.6 8.4 102 ----- ----- Basin wide percent of average 105 105 SHOSHONE RIVER BLACKWATER 9780 14.1 12.3 115 13.4 11.0 122 EVENING STAR 9200 16.1 14.1 114 17.3 13.3 130 KIRWIN 9550 6.8 6.0 113 7.3 6.0 122 MARQUETTE 8760 1.7 5.0 34 3.4 5.4 63 SYLVAN LAKE 8420 12.0 10.9 110 15.0 11.3 133 SYLVAN ROAD 7120 8.1 6.4 127 11.1 10.3 108 YOUNTS PEAK 8350 9.5 8.1 117 8.6 8.4 102 ----- ----- Basin wide percent of average 109 116 POWDER-TONGUE BEAR TRAP MEADOW 8200 3.4 2.6 131 4.4 4.6 96 BIG GOOSE 7990 2.8 4.5 62 4.5 4.6 98 BONE SPRINGS DIV 9350 8.0 8.0 100 7.3 7.5 97 BURGESS JUNCTION 7880 3.8 5.6 68 5.0 6.2 81 CLOUD PEAK RESERVOIR 9860 6.9 5.8 119 7.4 6.5 114 DOME LAKE 8880 3.8 6.2 61 5.9 7.0 84 GRAVE SPRINGS 8550 3.6 4.2 86 4.3 5.0 86 HANSEN SAWMILL 8360 3.0 3.3 91 3.5 4.4 80 LITTLE GOOSE 8870 3.6 -M * 7.3 -M * MIDDLE POWDER 7760 5.1 5.6 91 3.5 6.9 51 POWDER RIVER PASS 9480 6.4 5.4 119 7.2 6.1 118 SOLDIER PARK 8720 2.7 -M * 4.3 -M * SUCKER CREEK 8880 5.2 5.4 96 6.0 6.8 88 TIE CREEK 6870 2.2 2.6 85 4.1 5.2 79 ----- ----- Basin wide percent of average 92 89 BELLE FOURCHE BLIND PARK 6890 2.9 3.7 78 8.4 6.3 133 COLE CANYON 5910 3.1 3.4 91 5.6 4.0 140 NORTH RAPID CREEK 6130 3.3 3.4 97 7.2 5.4 133 ----- ----- Basin wide percent of average 89 135 UPPER N. PLATTE RIVER COLUMBINE 9160 15.6 10.4 150 18.4 11.9 155 DIVIDE PEAK 8880 11.9 9.5 125 15.4 10.3 150 ELK RIVER 8700 11.9 7.6 157 14.6 9.1 160 JOE WRIGHT 10120 14.5 9.9 146 19.3 12.2 158 NORTH FRENCH CREEK 10130 21.1 13.7 154 20.5 12.3 167 OLD BATTLE 10000 23.7 15.0 158 24.2 16.4 148 SAGE CREEK BASIN 7850 10.4 5.5 189 11.2 6.0 187 SOUTH BRUSH CREEK 8440 9.4 5.3 177 12.4 8.0 155 TOWER 10500 27.7 21.2 131 27.3 18.4 148 WEBBER SPRINGS 9250 16.2 11.8 137 20.7 13.4 154 WILLOW CREEK PASS 9540 10.7 5.7 188 10.9 6.6 165 ----- ----- Basin wide percent of average 150 156 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 14.8 11.1 133 16.1 10.4 155 CASPER MTN. 7900 5.9 7.1 83 8.8 7.3 121 DEADMAN HILL 10220 6.1 7.8 78 13.1 8.0 164 DEER PARK 9700 12.7 7.0 181 13.6 11.1 123 LAPRELE CREEK 8375 5.7 5.5 104 7.1 6.3 113 RENO HILL 8400 7.3 6.7 109 9.1 7.3 125 ROACH 9700 11.3 7.6 149 14.1 8.7 162 SAND LAKE 10050 19.1 15.3 125 18.3 11.9 154 SOUTH PASS 9040 10.3 8.3 124 9.2 9.4 98 WINDY PEAK 7900 4.6 3.5 131 7.1 5.7 125 ----- ----- Basin wide percent of average 122 135 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 6.2 4.3 144 8.9 7.3 122 DIVIDE PEAK 8880 11.9 9.5 125 15.4 10.3 150 OLD BATTLE 10000 23.7 15.0 158 24.2 16.4 148 SANDSTONE RS 8150 7.4 5.5 135 14.8 9.2 161 WHISKEY PARK 8950 -M 11.5 * 21.2 13.6 156 ----- ----- Basin wide percent of average 143 149 UPPER GREEN RIVER BIG SANDY OPENING 9080 8.3 7.1 117 9.0 6.7 134 BLIND BULL SUM 8650 14.4 13.5 107 11.1 11.4 97 EAST RIM DIVIDE 7930 7.0 6.1 115 7.0 5.9 119 ELKHART PARK G.S. 9400 6.6 6.5 102 7.3 6.9 106 GROS VENTRE SUMMIT 8750 8.7 7.1 123 8.6 6.5 132 GUNSIGHT PASS 9820 9.3 -M * 9.6 -M * KENDALL R.S. 7740 6.6 6.9 96 8.5 7.1 120 LOOMIS PARK 8240 9.7 8.2 118 10.7 8.6 124 NEW FORK LAKE 8340 6.3 5.5 115 6.2 6.1 102 POCKET CREEK 9360 6.6 -M * 8.2 -M * SNIDER BASIN 8060 10.3 7.1 145 10.8 8.2 132 SPRING CREEK DIVIDE 9000 16.5 12.8 129 17.1 13.4 128 TRIPLE PEAK 8500 14.8 12.2 121 16.7 11.6 144 ----- ----- Basin wide percent of average 117 122 LOWER GREEN RIVER HAMS FORK 7840 7.7 5.7 135 8.8 6.0 147 HEWINTA 9519 5.3 4.3 123 9.8 7.1 138 HICKERSON PARK 9145 3.1 3.0 103 5.0 4.3 116 HOLE-IN-ROCK 9150 3.5 2.7 130 5.5 3.9 141 INDIAN CREEK 9425 16.9 12.8 132 16.1 12.5 129 KELLEY R.S. 8180 11.3 7.8 145 14.0 10.4 135 STEEL CREEK PARK 10200 8.7 6.8 128 11.7 7.7 152 ----- ----- Basin wide percent of average 131 137 UPPER BEAR RIVER BUG LAKE 7950 15.5 8.6 180 17.3 9.4 184 HAYDEN FORK 9212 10.9 6.5 168 17.8 10.2 175 KELLEY R.S. 8180 11.3 7.8 145 14.0 10.4 135 LILY LAKE 9156 10.1 5.6 180 13.3 8.8 151 MONTE CRISTO 8960 18.5 11.5 161 21.0 12.4 169 SALT RIVER SUMMIT 7760 8.3 5.6 148 12.3 9.2 134 TRIAL LAKE 9992 21.2 10.8 196 19.5 11.6 168 ----- ----- Basin wide percent of average 170 160 ----------------------------------------------------------------------------- -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.