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 14 , 2011 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 11.3 10.1 112 14.3 12.4 115 COTTONWOOD CREEK 7670 15.6 11.7 133 20.1 16.0 126 GRAND TARGHEE 9260 27.7 -M * 20.1 -M * GRANITE CREEK 6770 11.4 9.6 119 13.7 11.4 120 GRASSY LAKE 7265 19.5 18.2 107 22.8 20.9 109 GROS VENTRE SUMMIT 8750 9.1 8.1 112 9.2 7.4 124 GUNSIGHT PASS 9820 9.9 -M * 10.2 -M * LEWIS LAKE DIVIDE 7850 20.5 18.2 113 21.8 20.9 104 PHILLIPS BENCH 8200 17.8 15.1 118 19.3 16.2 119 SALT RIVER SUMMIT 7760 8.9 6.9 129 13.0 10.7 121 SNAKE RIVER STATION 6920 8.7 9.8 89 15.5 13.0 119 SPRING CREEK DIVIDE 9000 17.5 14.6 120 18.1 15.6 116 THUMB DIVIDE 7980 12.5 9.3 134 12.9 10.8 119 TOGWOTEE PASS 9580 16.1 13.9 116 17.3 14.2 122 TWO OCEAN PLATEAU 9240 20.3 15.8 128 16.4 15.7 104 WILLOW CREEK 8380 17.8 16.9 105 23.2 18.4 126 ----- ----- Basin wide percent of average 116 117 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9360 13.7 13.7 100 13.5 11.7 115 BLACK BEAR 8170 25.5 21.1 121 25.5 21.4 119 CANYON 7870 9.3 7.5 124 10.8 9.1 119 FISHER CREEK 9100 21.3 19.9 107 21.1 20.5 103 MADISON PLATEAU 7750 16.3 13.6 120 18.1 14.5 125 NORTHEAST ENTRANCE 7350 6.7 6.3 106 8.7 7.5 116 PARKER PEAK 9400 16.4 12.5 131 15.8 9.4 168 SYLVAN LAKE 8420 13.7 12.6 109 16.8 12.6 133 THUMB DIVIDE 7980 12.5 9.3 134 12.9 10.8 119 TWO OCEAN PLATEAU 9240 20.3 15.8 128 16.4 15.7 104 WHISKEY CREEK 6800 11.3 9.1 124 13.9 11.7 119 WHITE MILL 8700 14.6 13.5 108 15.7 15.2 103 WOLVERINE 7650 8.7 7.1 123 8.4 8.0 105 ----- ----- Basin wide percent of average 117 118 WIND RIVER BURROUGHS CREEK 8750 8.4 8.5 99 8.7 9.5 92 CASTLE CREEK 8400 3.7 -M * 4.3 -M * COLD SPRINGS 9630 5.1 5.2 98 5.3 6.4 83 DEER PARK 9700 13.0 9.1 143 14.0 12.5 112 HOBBS PARK 10100 8.9 8.7 102 8.1 7.2 113 LITTLE WARM 9370 6.8 6.5 105 7.0 7.9 89 SOUTH PASS 9040 10.6 9.6 110 9.6 10.4 92 ST. LAWRENCE ALT 8620 3.5 4.3 81 4.3 5.0 86 TOGWOTEE PASS 9580 16.1 13.9 116 17.3 14.2 122 TOWNSEND CREEK 8700 5.0 5.0 100 7.0 6.6 106 ----- ----- Basin wide percent of average 109 102 BIGHORN BASIN BALD MTN. 9380 11.7 11.6 101 10.5 10.0 105 BEAR TRAP MEADOW 8200 4.2 3.0 140 5.3 4.9 108 BLACKWATER 9780 15.2 14.0 109 14.7 12.3 120 BONE SPRINGS DIV 9350 9.2 9.2 100 8.3 8.3 100 EVENING STAR 9200 17.7 16.6 107 19.6 15.1 130 GRAVE SPRINGS 8550 4.1 4.9 84 4.5 5.6 80 KIRWIN 9550 7.0 6.8 103 7.6 6.7 113 MARQUETTE 8760 1.9 5.3 36 4.0 5.7 70 MIDDLE POWDER 7760 5.7 6.2 92 3.9 7.4 53 OWL CREEK 8975 2.8 3.0 93 3.2 3.2 100 POWDER RIVER PASS 9480 7.1 6.2 115 8.3 7.0 119 SHELL CREEK 9580 8.3 8.5 98 7.2 7.8 92 SYLVAN LAKE 8420 13.7 12.6 109 16.8 12.6 133 SYLVAN ROAD 7120 8.8 7.5 117 12.0 11.6 103 TIMBER CREEK 7950 2.3 3.3 70 2.8 4.0 70 YOUNTS PEAK 8350 10.0 9.7 103 9.1 9.7 94 ----- ----- Basin wide percent of average 101 104 SHOSHONE RIVER BLACKWATER 9780 15.2 14.0 109 14.7 12.3 120 EVENING STAR 9200 17.7 16.6 107 19.6 15.1 130 KIRWIN 9550 7.0 6.8 103 7.6 6.7 113 MARQUETTE 8760 1.9 5.3 36 4.0 5.7 70 SYLVAN LAKE 8420 13.7 12.6 109 16.8 12.6 133 SYLVAN ROAD 7120 8.8 7.5 117 12.0 11.6 103 YOUNTS PEAK 8350 10.0 9.7 103 9.1 9.7 94 ----- ----- Basin wide percent of average 102 114 POWDER-TONGUE BEAR TRAP MEADOW 8200 4.2 3.0 140 5.3 4.9 108 BIG GOOSE 7990 3.6 5.1 71 5.3 4.8 110 BONE SPRINGS DIV 9350 9.2 9.2 100 8.3 8.3 100 BURGESS JUNCTION 7880 4.4 6.3 70 5.7 6.9 83 CLOUD PEAK RESERVOIR 9860 7.9 6.8 116 8.3 7.2 115 DOME LAKE 8880 4.8 6.9 70 6.8 7.7 88 GRAVE SPRINGS 8550 4.1 4.9 84 4.5 5.6 80 HANSEN SAWMILL 8360 3.9 3.7 105 4.2 4.7 89 LITTLE GOOSE 8870 4.4 -M * 8.0 -M * MIDDLE POWDER 7760 5.7 6.2 92 3.9 7.4 53 POWDER RIVER PASS 9480 7.1 6.2 115 8.3 7.0 119 SOLDIER PARK 8720 3.5 -M * 5.0 -M * SUCKER CREEK 8880 6.1 6.1 100 6.8 7.6 89 TIE CREEK 6870 2.9 3.5 83 4.7 5.8 81 ----- ----- Basin wide percent of average 94 93 BELLE FOURCHE BLIND PARK 6890 3.6 4.4 82 9.2 6.9 133 COLE CANYON 5910 4.0 3.8 105 6.5 4.2 155 NORTH RAPID CREEK 6130 4.1 4.0 103 8.1 5.7 142 ----- ----- Basin wide percent of average 96 142 UPPER N. PLATTE RIVER CINNABAR PARK 9574 14.1 11.8 119 16.9 12.9 131 COLUMBINE 9160 16.8 12.6 133 19.7 13.8 143 DIVIDE PEAK 8880 12.7 10.9 117 16.2 11.7 138 ELK RIVER 8700 12.7 9.3 137 15.5 10.6 146 JOE WRIGHT 10120 14.8 11.4 130 20.5 13.8 149 NORTH FRENCH CREEK 10130 22.8 15.6 146 22.3 14.0 159 OLD BATTLE 10000 25.1 16.8 149 25.6 18.9 135 SAGE CREEK BASIN 7850 11.0 6.3 175 11.8 6.8 174 SOUTH BRUSH CREEK 8440 10.0 6.1 164 13.4 9.1 147 TOWER 10500 29.4 24.5 120 31.8 21.2 150 WEBBER SPRINGS 9250 16.9 13.3 127 21.7 15.4 141 WILLOW CREEK PASS 9540 10.9 6.4 170 11.0 7.2 153 ----- ----- Basin wide percent of average 136 146 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 15.7 12.8 123 17.0 12.0 142 CASPER MTN. 7900 6.3 7.8 81 9.0 7.9 114 DEADMAN HILL 10220 6.4 8.9 72 13.9 9.0 154 DEER PARK 9700 13.0 9.1 143 14.0 12.5 112 LAPRELE CREEK 8375 6.2 6.2 100 7.5 7.1 106 RENO HILL 8400 7.7 7.4 104 9.5 8.1 117 ROACH 9700 11.6 8.8 132 14.8 9.9 149 SAND LAKE 10050 20.3 17.1 119 19.3 13.6 142 SOUTH PASS 9040 10.6 9.6 110 9.6 10.4 92 WINDY PEAK 7900 4.9 3.9 126 7.4 6.2 119 ----- ----- Basin wide percent of average 112 126 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 6.0 5.7 105 9.5 8.4 113 DIVIDE PEAK 8880 12.7 10.9 117 16.2 11.7 138 OLD BATTLE 10000 25.1 16.8 149 25.6 18.9 135 SANDSTONE RS 8150 7.8 7.1 110 15.8 10.5 150 WHISKEY PARK 8950 -M 14.2 * 22.3 16.1 139 ----- ----- Basin wide percent of average 127 136 UPPER GREEN RIVER BIG SANDY OPENING 9080 8.6 8.0 108 9.2 7.6 121 BLIND BULL SUM 8650 15.4 15.5 99 11.8 13.1 90 EAST RIM DIVIDE 7930 7.6 7.0 109 7.4 6.8 109 ELKHART PARK G.S. 9400 7.0 7.4 95 7.6 7.7 99 GROS VENTRE SUMMIT 8750 9.1 8.1 112 9.2 7.4 124 GUNSIGHT PASS 9820 9.9 -M * 10.2 -M * KENDALL R.S. 7740 7.1 8.1 88 8.9 8.2 109 LOOMIS PARK 8240 10.0 9.4 106 11.2 9.9 113 NEW FORK LAKE 8340 6.8 6.4 106 6.4 6.8 94 POCKET CREEK 9360 6.6 -M * 8.5 -M * SNIDER BASIN 8060 10.6 8.1 131 11.3 9.4 120 SPRING CREEK DIVIDE 9000 17.5 14.6 120 18.1 15.6 116 TRIPLE PEAK 8500 15.3 13.9 110 17.6 13.5 130 ----- ----- Basin wide percent of average 108 112 LOWER GREEN RIVER HAMS FORK 7840 8.0 6.7 119 9.2 7.0 131 HEWINTA 9519 5.2 5.2 100 10.1 7.9 128 HICKERSON PARK 9145 3.6 3.5 103 5.4 4.6 117 HOLE-IN-ROCK 9150 4.2 3.2 131 5.6 4.2 133 INDIAN CREEK 9425 17.6 14.7 120 16.8 14.3 117 KELLEY R.S. 8180 11.7 8.9 131 14.6 11.9 123 STEEL CREEK PARK 10200 9.1 7.8 117 12.1 8.6 141 ----- ----- Basin wide percent of average 119 126 UPPER BEAR RIVER BUG LAKE 7950 16.2 10.4 156 18.2 10.8 169 HAYDEN FORK 9212 10.9 7.8 140 18.4 11.6 159 KELLEY R.S. 8180 11.7 8.9 131 14.6 11.9 123 LILY LAKE 9156 10.2 6.6 155 13.6 9.8 139 MONTE CRISTO 8960 18.7 14.0 134 21.6 14.1 153 SALT RIVER SUMMIT 7760 8.9 6.9 129 13.0 10.7 121 TRIAL LAKE 9992 21.2 12.6 168 22.7 13.3 171 ----- ----- Basin wide percent of average 146 149 ----------------------------------------------------------------------------- -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.