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 TUESDAY: JANUARY 25 , 2011 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 14.0 11.7 120 16.8 14.0 120 COTTONWOOD CREEK 7670 19.0 13.3 143 24.1 17.7 136 GRAND TARGHEE 9260 33.2 -M * 24.2 -M * GRANITE CREEK 6770 13.8 11.3 122 15.9 12.9 123 GRASSY LAKE 7265 24.4 21.2 115 26.8 23.5 114 GROS VENTRE SUMMIT 8750 10.1 9.0 112 9.9 8.2 121 GUNSIGHT PASS 9820 11.4 -M * 11.6 -M * LEWIS LAKE DIVIDE 7850 23.6 21.3 111 24.3 23.4 104 PHILLIPS BENCH 8200 20.7 17.2 120 21.7 18.3 119 SALT RIVER SUMMIT 7760 11.3 8.4 135 15.3 11.9 129 SNAKE RIVER STATION 6920 -M 11.5 * 17.8 14.6 122 SPRING CREEK DIVIDE 9000 23.9 16.3 147 23.4 17.3 135 THUMB DIVIDE 7980 13.6 10.8 126 13.7 12.0 114 TOGWOTEE PASS 9580 19.7 15.8 125 20.9 15.9 131 TWO OCEAN PLATEAU 9240 22.8 17.8 128 17.3 17.4 99 WILLOW CREEK 8380 22.8 19.0 120 27.0 20.6 131 ----- ----- Basin wide percent of average 124 121 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9360 16.9 15.3 110 16.4 13.1 125 BLACK BEAR 8170 29.1 24.4 119 27.7 24.3 114 CANYON 7870 10.7 8.4 127 12.0 10.2 118 FISHER CREEK 9100 26.1 22.5 116 24.8 23.1 107 MADISON PLATEAU 7750 18.3 15.4 119 19.8 16.4 121 NORTHEAST ENTRANCE 7350 8.6 7.3 118 10.6 8.4 126 PARKER PEAK 9400 19.2 14.0 137 17.6 10.5 168 SYLVAN LAKE 8420 15.9 14.2 112 19.1 13.9 137 THUMB DIVIDE 7980 13.6 10.8 126 13.7 12.0 114 TWO OCEAN PLATEAU 9240 22.8 17.8 128 17.3 17.4 99 WHISKEY CREEK 6800 13.0 10.5 124 15.5 13.0 119 WHITE MILL 8700 18.0 15.3 118 18.7 17.1 109 WOLVERINE 7650 11.1 8.2 135 10.0 8.7 115 ----- ----- Basin wide percent of average 121 119 WIND RIVER BURROUGHS CREEK 8750 10.0 9.6 104 10.5 10.7 98 CASTLE CREEK 8400 4.2 -M * 5.0 -M * COLD SPRINGS 9630 5.7 5.7 100 5.6 6.8 82 DEER PARK 9700 14.0 11.4 123 15.1 13.7 110 HOBBS PARK 10100 9.4 9.4 100 8.6 7.8 110 LITTLE WARM 9370 8.0 7.3 110 8.1 8.7 93 SOUTH PASS 9040 11.5 10.7 107 10.0 11.5 87 ST. LAWRENCE ALT 8620 3.6 4.6 78 4.5 5.4 83 TOGWOTEE PASS 9580 19.7 15.8 125 20.9 15.9 131 TOWNSEND CREEK 8700 5.5 5.4 102 7.3 7.0 104 ----- ----- Basin wide percent of average 109 104 BIGHORN BASIN BALD MTN. 9380 15.6 12.8 122 12.9 11.2 115 BEAR TRAP MEADOW 8200 5.4 3.3 164 5.7 5.3 108 BLACKWATER 9780 17.7 15.6 113 17.2 13.4 128 BONE SPRINGS DIV 9350 12.7 10.1 126 10.7 9.1 118 EVENING STAR 9200 22.0 18.6 118 24.0 16.7 144 GRAVE SPRINGS 8550 4.9 5.3 92 5.3 6.2 85 KIRWIN 9550 7.8 7.4 105 8.6 7.3 118 MARQUETTE 8760 1.8 5.7 32 4.7 6.0 78 MIDDLE POWDER 7760 6.3 6.8 93 4.3 8.0 54 OWL CREEK 8975 3.1 3.2 97 3.4 3.5 97 POWDER RIVER PASS 9480 -M 6.9 * -M 7.8 * SHELL CREEK 9580 11.5 9.4 122 10.3 8.8 117 SYLVAN LAKE 8420 15.9 14.2 112 19.1 13.9 137 SYLVAN ROAD 7120 10.9 8.3 131 14.2 12.7 112 TIMBER CREEK 7950 2.5 3.5 71 3.1 4.3 72 YOUNTS PEAK 8350 10.7 11.3 95 10.1 10.8 94 ----- ----- Basin wide percent of average 110 112 SHOSHONE RIVER BLACKWATER 9780 17.7 15.6 113 17.2 13.4 128 EVENING STAR 9200 22.0 18.6 118 24.0 16.7 144 KIRWIN 9550 7.8 7.4 105 8.6 7.3 118 MARQUETTE 8760 1.8 5.7 32 4.7 6.0 78 SYLVAN LAKE 8420 15.9 14.2 112 19.1 13.9 137 SYLVAN ROAD 7120 10.9 8.3 131 14.2 12.7 112 YOUNTS PEAK 8350 10.7 11.3 95 10.1 10.8 94 ----- ----- Basin wide percent of average 107 121 POWDER-TONGUE BEAR TRAP MEADOW 8200 5.4 3.3 164 5.7 5.3 108 BIG GOOSE 7990 4.8 5.6 86 6.4 5.2 123 BONE SPRINGS DIV 9350 12.7 10.1 126 10.7 9.1 118 BURGESS JUNCTION 7880 6.3 7.0 90 7.4 7.5 99 CLOUD PEAK RESERVOIR 9860 9.9 7.5 132 9.9 7.8 127 DOME LAKE 8880 7.2 7.6 95 8.4 8.3 101 GRAVE SPRINGS 8550 4.9 5.3 92 5.3 6.2 85 HANSEN SAWMILL 8360 4.3 4.0 108 4.8 5.1 94 LITTLE GOOSE 8870 5.7 -M * 9.5 -M * MIDDLE POWDER 7760 6.3 6.8 93 4.3 8.0 54 POWDER RIVER PASS 9480 -M 6.9 * -M 7.8 * SOLDIER PARK 8720 4.3 -M * 5.7 -M * SUCKER CREEK 8880 8.2 6.7 122 9.1 8.3 110 TIE CREEK 6870 4.1 3.7 111 6.2 6.4 97 ----- ----- Basin wide percent of average 110 101 BELLE FOURCHE BLIND PARK 6890 5.8 5.0 116 11.8 7.5 157 COLE CANYON 5910 5.4 4.2 129 8.2 4.5 182 NORTH RAPID CREEK 6130 5.8 4.6 126 9.8 6.1 161 ----- ----- Basin wide percent of average 123 165 UPPER N. PLATTE RIVER CINNABAR PARK 9574 18.3 12.6 145 21.2 13.8 154 COLUMBINE 9160 21.6 15.0 144 23.6 15.6 151 DIVIDE PEAK 8880 14.2 12.2 116 17.9 13.0 138 ELK RIVER 8700 15.7 11.1 141 17.9 11.9 150 JOE WRIGHT 10120 18.0 13.0 138 23.8 15.3 156 NORTH FRENCH CREEK 10130 28.8 17.4 166 27.7 15.5 179 OLD BATTLE 10000 28.6 18.7 153 26.6 21.1 126 SAGE CREEK BASIN 7850 12.2 7.1 172 12.9 7.5 172 SOUTH BRUSH CREEK 8440 11.3 6.9 164 14.4 10.2 141 TOWER 10500 36.9 28.0 132 35.2 23.9 147 WEBBER SPRINGS 9250 19.9 15.0 133 24.5 17.1 143 WILLOW CREEK PASS 9540 11.5 7.1 162 12.0 7.9 152 ----- ----- Basin wide percent of average 144 149 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 20.1 14.4 140 21.1 13.5 156 CASPER MTN. 7900 7.4 8.5 87 10.0 8.5 118 DEADMAN HILL 10220 9.0 9.9 91 14.7 10.0 147 DEER PARK 9700 14.0 11.4 123 15.1 13.7 110 LAPRELE CREEK 8375 7.8 6.9 113 8.9 7.8 114 RENO HILL 8400 9.1 8.0 114 10.9 8.9 122 ROACH 9700 13.3 10.2 130 16.5 11.0 150 SAND LAKE 10050 23.8 18.8 127 22.4 15.1 148 SOUTH PASS 9040 11.5 10.7 107 10.0 11.5 87 WINDY PEAK 7900 6.1 4.2 145 8.6 6.7 128 ----- ----- Basin wide percent of average 119 130 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 6.1 7.1 86 10.1 9.3 109 DIVIDE PEAK 8880 14.2 12.2 116 17.9 13.0 138 OLD BATTLE 10000 28.6 18.7 153 26.6 21.1 126 SANDSTONE RS 8150 9.2 8.8 105 17.3 11.8 147 WHISKEY PARK 8950 -M 16.9 * 26.9 18.3 147 ----- ----- Basin wide percent of average 124 134 UPPER GREEN RIVER BIG SANDY OPENING 9080 9.6 8.9 108 10.2 8.5 120 BLIND BULL SUM 8650 20.1 17.3 116 14.6 14.5 101 EAST RIM DIVIDE 7930 9.8 7.9 124 8.8 7.6 116 ELKHART PARK G.S. 9400 8.7 8.2 106 8.9 8.5 105 GROS VENTRE SUMMIT 8750 10.1 9.0 112 9.9 8.2 121 GUNSIGHT PASS 9820 11.4 -M * 11.6 -M * KENDALL R.S. 7740 8.7 9.2 95 10.4 9.2 113 LOOMIS PARK 8240 12.7 10.5 121 13.7 11.1 123 NEW FORK LAKE 8340 8.2 7.2 114 7.8 7.5 104 POCKET CREEK 9360 7.7 -M * 9.8 -M * SNIDER BASIN 8060 14.1 9.1 155 13.9 10.5 132 SPRING CREEK DIVIDE 9000 23.9 16.3 147 23.4 17.3 135 TRIPLE PEAK 8500 21.1 15.6 135 22.6 15.2 149 ----- ----- Basin wide percent of average 123 122 LOWER GREEN RIVER HAMS FORK 7840 10.9 7.7 142 11.1 7.9 141 HEWINTA 9519 7.2 6.1 118 11.2 8.8 127 HICKERSON PARK 9145 3.6 4.1 88 5.4 5.0 108 HOLE-IN-ROCK 9150 4.4 3.8 116 6.1 4.6 133 INDIAN CREEK 9425 21.9 16.5 133 20.0 15.9 126 KELLEY R.S. 8180 14.3 9.9 144 17.0 13.1 130 STEEL CREEK PARK 10200 10.6 8.7 122 13.6 9.5 143 ----- ----- Basin wide percent of average 128 130 UPPER BEAR RIVER BUG LAKE 7950 18.4 12.1 152 20.2 12.2 166 HAYDEN FORK 9212 13.5 9.0 150 20.6 12.8 161 KELLEY R.S. 8180 14.3 9.9 144 17.0 13.1 130 LILY LAKE 9156 11.7 7.5 156 15.0 10.8 139 MONTE CRISTO 8960 22.4 16.6 135 24.5 15.7 156 SALT RIVER SUMMIT 7760 11.3 8.4 135 15.3 11.9 129 TRIAL LAKE 9992 23.5 14.5 162 24.4 14.9 164 ----- ----- Basin wide percent of average 148 150 ----------------------------------------------------------------------------- -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.