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 FRIDAY: JANUARY 28 , 2011 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 14.1 12.2 116 16.9 14.4 117 COTTONWOOD CREEK 7670 18.9 13.7 138 24.2 18.2 133 GRAND TARGHEE 9260 33.5 -M * 24.5 -M * GRANITE CREEK 6770 13.8 11.8 117 16.0 13.3 120 GRASSY LAKE 7265 24.5 22.0 111 26.8 24.2 111 GROS VENTRE SUMMIT 8750 10.1 9.2 110 10.0 8.4 119 GUNSIGHT PASS 9820 11.6 -M * 11.8 -M * LEWIS LAKE DIVIDE 7850 23.8 22.1 108 24.5 24.0 102 PHILLIPS BENCH 8200 20.8 17.8 117 22.0 18.9 116 SALT RIVER SUMMIT 7760 11.5 8.8 131 15.5 12.2 127 SNAKE RIVER STATION 6920 -M 12.0 * 18.0 15.0 120 SPRING CREEK DIVIDE 9000 24.1 16.7 144 23.5 17.8 132 THUMB DIVIDE 7980 13.8 11.2 123 13.9 12.3 113 TOGWOTEE PASS 9580 19.9 16.3 122 21.1 16.3 129 TWO OCEAN PLATEAU 9240 23.0 18.3 126 19.1 17.9 107 WILLOW CREEK 8380 22.9 19.5 117 27.1 21.1 128 ----- ----- Basin wide percent of average 121 119 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9360 17.1 15.8 108 16.6 13.5 123 BLACK BEAR 8170 29.3 24.8 118 29.0 25.1 116 CANYON 7870 10.8 8.6 126 12.3 10.5 117 FISHER CREEK 9100 26.2 23.0 114 25.0 23.8 105 MADISON PLATEAU 7750 18.4 15.7 117 20.2 16.9 120 NORTHEAST ENTRANCE 7350 8.6 7.5 115 10.6 8.6 123 PARKER PEAK 9400 19.3 14.3 135 17.7 10.7 165 SYLVAN LAKE 8420 16.0 14.5 110 19.2 14.3 134 THUMB DIVIDE 7980 13.8 11.2 123 13.9 12.3 113 TWO OCEAN PLATEAU 9240 23.0 18.3 126 19.1 17.9 107 WHISKEY CREEK 6800 13.1 10.8 121 15.6 13.4 116 WHITE MILL 8700 18.0 15.6 115 18.8 17.6 107 WOLVERINE 7650 11.1 8.4 132 10.1 8.9 113 ----- ----- Basin wide percent of average 119 118 WIND RIVER BURROUGHS CREEK 8750 10.0 9.8 102 10.5 11.0 95 CASTLE CREEK 8400 4.3 -M * 5.0 -M * COLD SPRINGS 9630 5.8 5.9 98 5.7 6.9 83 DEER PARK 9700 14.1 11.6 122 15.2 14.1 108 HOBBS PARK 10100 9.5 9.6 99 8.6 8.0 108 LITTLE WARM 9370 8.0 7.6 105 8.4 8.9 94 SOUTH PASS 9040 11.6 11.0 105 10.2 11.8 86 ST. LAWRENCE ALT 8620 3.7 4.7 79 4.5 5.5 82 TOGWOTEE PASS 9580 19.9 16.3 122 21.1 16.3 129 TOWNSEND CREEK 8700 5.5 5.5 100 7.4 7.1 104 ----- ----- Basin wide percent of average 107 102 BIGHORN BASIN BALD MTN. 9380 15.9 13.0 122 13.3 11.4 117 BEAR TRAP MEADOW 8200 5.5 3.4 162 5.8 5.4 107 BLACKWATER 9780 17.9 16.1 111 17.4 13.8 126 BONE SPRINGS DIV 9350 12.8 10.3 124 11.0 9.3 118 EVENING STAR 9200 22.1 19.2 115 24.6 17.1 144 GRAVE SPRINGS 8550 5.0 5.5 91 5.4 6.3 86 KIRWIN 9550 7.8 7.5 104 8.7 7.4 118 MARQUETTE 8760 2.0 5.8 34 4.5 6.1 74 MIDDLE POWDER 7760 6.4 6.9 93 4.3 8.1 53 OWL CREEK 8975 3.2 3.3 97 3.3 3.6 92 POWDER RIVER PASS 9480 10.0 7.0 143 11.7 8.0 146 SHELL CREEK 9580 11.6 9.6 121 10.3 9.0 114 SYLVAN LAKE 8420 16.0 14.5 110 19.2 14.3 134 SYLVAN ROAD 7120 10.8 8.5 127 14.2 12.9 110 TIMBER CREEK 7950 2.7 3.5 77 3.2 4.4 73 YOUNTS PEAK 8350 11.8 11.6 102 10.5 11.1 95 ----- ----- Basin wide percent of average 111 113 SHOSHONE RIVER BLACKWATER 9780 17.9 16.1 111 17.4 13.8 126 EVENING STAR 9200 22.1 19.2 115 24.6 17.1 144 KIRWIN 9550 7.8 7.5 104 8.7 7.4 118 MARQUETTE 8760 2.0 5.8 34 4.5 6.1 74 SYLVAN LAKE 8420 16.0 14.5 110 19.2 14.3 134 SYLVAN ROAD 7120 10.8 8.5 127 14.2 12.9 110 YOUNTS PEAK 8350 11.8 11.6 102 10.5 11.1 95 ----- ----- Basin wide percent of average 106 120 POWDER-TONGUE BEAR TRAP MEADOW 8200 5.5 3.4 162 5.8 5.4 107 BIG GOOSE 7990 5.1 5.8 88 6.6 5.4 122 BONE SPRINGS DIV 9350 12.8 10.3 124 11.0 9.3 118 BURGESS JUNCTION 7880 6.6 7.1 93 7.7 7.7 100 CLOUD PEAK RESERVOIR 9860 10.2 7.8 131 9.9 8.0 124 DOME LAKE 8880 7.5 7.7 97 8.6 8.5 101 GRAVE SPRINGS 8550 5.0 5.5 91 5.4 6.3 86 HANSEN SAWMILL 8360 4.6 4.1 112 4.9 5.2 94 LITTLE GOOSE 8870 5.9 -M * 9.8 -M * MIDDLE POWDER 7760 6.4 6.9 93 4.3 8.1 53 POWDER RIVER PASS 9480 10.0 7.0 143 11.7 8.0 146 SOLDIER PARK 8720 4.6 -M * 5.9 -M * SUCKER CREEK 8880 8.6 6.9 125 9.4 8.5 111 TIE CREEK 6870 4.3 3.9 110 6.4 6.6 97 ----- ----- Basin wide percent of average 113 105 BELLE FOURCHE BLIND PARK 6890 6.0 5.1 118 11.8 7.6 155 COLE CANYON 5910 5.6 4.4 127 8.2 4.6 178 NORTH RAPID CREEK 6130 5.9 4.8 123 10.0 6.2 161 ----- ----- Basin wide percent of average 122 163 UPPER N. PLATTE RIVER CINNABAR PARK 9574 18.2 12.8 142 21.3 14.0 152 COLUMBINE 9160 21.7 15.6 139 23.9 16.1 148 DIVIDE PEAK 8880 14.3 12.6 113 18.2 13.3 137 ELK RIVER 8700 15.8 11.6 136 18.1 12.3 147 JOE WRIGHT 10120 18.4 13.4 137 23.9 15.7 152 NORTH FRENCH CREEK 10130 29.1 17.8 163 27.7 15.9 174 OLD BATTLE 10000 28.8 19.3 149 26.8 21.7 124 SAGE CREEK BASIN 7850 12.4 7.3 170 13.0 7.7 169 SOUTH BRUSH CREEK 8440 11.4 7.1 161 14.8 10.5 141 TOWER 10500 37.0 28.9 128 35.4 24.5 144 WEBBER SPRINGS 9250 20.0 15.4 130 24.7 17.5 141 WILLOW CREEK PASS 9540 12.0 7.3 164 12.1 8.1 149 ----- ----- Basin wide percent of average 141 147 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 20.4 14.8 138 21.2 13.8 154 CASPER MTN. 7900 7.5 8.8 85 10.0 8.7 115 DEADMAN HILL 10220 -M 10.2 * -M 10.3 * DEER PARK 9700 14.1 11.6 122 15.2 14.1 108 LAPRELE CREEK 8375 7.9 7.0 113 9.1 7.9 115 RENO HILL 8400 9.2 8.2 112 11.1 9.1 122 ROACH 9700 13.5 10.5 129 16.8 11.3 149 SAND LAKE 10050 24.2 19.3 125 23.0 15.4 149 SOUTH PASS 9040 11.6 11.0 105 10.2 11.8 86 WINDY PEAK 7900 6.2 4.4 141 8.5 6.8 125 ----- ----- Basin wide percent of average 120 126 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 4.8 7.4 65 10.2 9.6 106 DIVIDE PEAK 8880 14.3 12.6 113 18.2 13.3 137 OLD BATTLE 10000 28.8 19.3 149 26.8 21.7 124 SANDSTONE RS 8150 9.4 9.2 102 17.5 12.1 145 WHISKEY PARK 8950 -M 17.7 * 27.0 18.8 144 ----- ----- Basin wide percent of average 118 132 UPPER GREEN RIVER BIG SANDY OPENING 9080 9.9 9.2 108 10.4 8.7 120 BLIND BULL SUM 8650 20.2 17.8 113 14.7 14.9 99 EAST RIM DIVIDE 7930 9.8 8.1 121 8.9 7.8 114 ELKHART PARK G.S. 9400 8.8 8.5 104 9.0 8.6 105 GROS VENTRE SUMMIT 8750 10.1 9.2 110 10.0 8.4 119 GUNSIGHT PASS 9820 11.6 -M * 11.8 -M * KENDALL R.S. 7740 8.7 9.5 92 10.5 9.4 112 LOOMIS PARK 8240 12.8 10.8 119 13.8 11.4 121 NEW FORK LAKE 8340 8.3 7.4 112 8.0 7.6 105 POCKET CREEK 9360 7.7 -M * 9.8 -M * SNIDER BASIN 8060 14.2 9.4 151 14.0 10.7 131 SPRING CREEK DIVIDE 9000 24.1 16.7 144 23.5 17.8 132 TRIPLE PEAK 8500 21.4 16.1 133 22.8 15.6 146 ----- ----- Basin wide percent of average 121 120 LOWER GREEN RIVER HAMS FORK 7840 11.2 8.0 140 11.3 8.1 140 HEWINTA 9519 7.4 6.3 117 11.4 9.0 127 HICKERSON PARK 9145 3.9 4.2 93 5.7 5.1 112 HOLE-IN-ROCK 9150 4.6 3.9 118 6.1 4.7 130 INDIAN CREEK 9425 22.1 17.0 130 20.3 16.3 125 KELLEY R.S. 8180 14.4 10.2 141 17.3 13.5 128 STEEL CREEK PARK 10200 10.9 9.0 121 13.8 9.8 141 ----- ----- Basin wide percent of average 127 129 UPPER BEAR RIVER BUG LAKE 7950 18.5 12.6 147 20.2 12.5 162 HAYDEN FORK 9212 13.7 9.3 147 20.7 13.2 157 KELLEY R.S. 8180 14.4 10.2 141 17.3 13.5 128 LILY LAKE 9156 12.2 7.8 156 15.2 11.1 137 MONTE CRISTO 8960 22.7 17.3 131 24.7 16.2 152 SALT RIVER SUMMIT 7760 11.5 8.8 131 15.5 12.2 127 TRIAL LAKE 9992 23.8 15.0 159 24.6 15.3 161 ----- ----- Basin wide percent of average 144 147 ----------------------------------------------------------------------------- -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.