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: FEBRUARY 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 14.6 14.3 102 17.5 16.5 106 COTTONWOOD CREEK 7670 19.3 15.9 121 26.2 20.5 128 GRAND TARGHEE 9260 35.5 -M * 25.6 -M * GRANITE CREEK 6770 14.3 14.1 101 16.8 15.4 109 GRASSY LAKE 7265 25.5 26.0 98 28.4 27.7 103 GROS VENTRE SUMMIT 8750 11.3 10.3 110 11.0 9.5 116 GUNSIGHT PASS 9820 12.6 -M * 12.8 -M * LEWIS LAKE DIVIDE 7850 24.4 26.1 93 25.4 27.8 91 PHILLIPS BENCH 8200 21.9 21.0 104 23.2 21.8 106 SALT RIVER SUMMIT 7760 12.1 10.7 113 16.2 14.0 116 SNAKE RIVER STATION 6920 -M 14.5 * -M 17.3 * SPRING CREEK DIVIDE 9000 25.4 19.5 130 25.1 20.1 125 THUMB DIVIDE 7980 14.1 13.3 106 14.4 14.1 102 TOGWOTEE PASS 9580 21.6 18.7 116 23.0 18.5 124 TWO OCEAN PLATEAU 9240 24.0 21.0 114 20.0 20.6 97 WILLOW CREEK 8380 24.0 22.6 106 29.4 24.0 123 ----- ----- Basin wide percent of average 108 110 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9360 18.7 18.0 104 18.2 15.4 118 BLACK BEAR 8170 30.8 28.7 107 30.2 29.2 103 CANYON 7870 11.6 10.0 116 13.3 11.8 113 FISHER CREEK 9100 29.2 26.4 111 28.4 27.2 104 MADISON PLATEAU 7750 19.1 18.2 105 21.0 19.5 108 NORTHEAST ENTRANCE 7350 9.7 8.7 111 11.6 9.8 118 PARKER PEAK 9400 21.0 16.2 130 19.0 12.2 156 SYLVAN LAKE 8420 17.3 16.5 105 20.5 16.2 127 THUMB DIVIDE 7980 14.1 13.3 106 14.4 14.1 102 TWO OCEAN PLATEAU 9240 24.0 21.0 114 20.0 20.6 97 WHISKEY CREEK 6800 13.3 12.6 106 16.3 15.3 107 WHITE MILL 8700 20.2 17.9 113 20.8 20.2 103 WOLVERINE 7650 11.5 9.5 121 11.1 10.1 110 ----- ----- Basin wide percent of average 111 110 WIND RIVER BURROUGHS CREEK 8750 10.8 11.1 97 11.3 12.3 92 CASTLE CREEK 8400 4.6 -M * 5.4 -M * COLD SPRINGS 9630 6.3 6.3 100 6.4 7.6 84 DEER PARK 9700 14.5 13.2 110 15.8 16.1 98 HOBBS PARK 10100 10.0 10.5 95 9.1 8.9 102 LITTLE WARM 9370 8.6 8.4 102 8.9 9.9 90 SOUTH PASS 9040 12.3 12.2 101 10.7 13.5 79 ST. LAWRENCE ALT 8620 3.8 5.1 75 5.0 6.3 79 TOGWOTEE PASS 9580 21.6 18.7 116 23.0 18.5 124 TOWNSEND CREEK 8700 -M 6.1 * -M 8.0 * ----- ----- Basin wide percent of average 103 97 BIGHORN BASIN BALD MTN. 9380 17.7 14.4 123 14.2 12.8 111 BEAR TRAP MEADOW 8200 6.0 3.9 154 6.5 5.9 110 BLACKWATER 9780 19.0 18.0 106 18.5 15.5 119 BONE SPRINGS DIV 9350 14.1 11.6 122 11.8 10.5 112 EVENING STAR 9200 23.4 22.1 106 26.2 19.5 134 GRAVE SPRINGS 8550 6.1 6.4 95 6.3 6.9 91 KIRWIN 9550 8.3 8.2 101 9.3 8.3 112 MARQUETTE 8760 1.9 6.3 30 5.0 6.7 75 MIDDLE POWDER 7760 7.2 8.0 90 8.9 8.8 101 OWL CREEK 8975 4.0 3.6 111 4.0 4.0 100 POWDER RIVER PASS 9480 10.5 7.8 135 12.4 9.1 136 SHELL CREEK 9580 12.4 10.6 117 11.1 10.0 111 SYLVAN LAKE 8420 17.3 16.5 105 20.5 16.2 127 SYLVAN ROAD 7120 11.5 10.0 115 15.3 14.4 106 TIMBER CREEK 7950 2.8 3.9 72 3.4 4.9 69 YOUNTS PEAK 8350 12.5 13.0 96 11.0 12.4 89 ----- ----- Basin wide percent of average 106 111 SHOSHONE RIVER BLACKWATER 9780 19.0 18.0 106 18.5 15.5 119 EVENING STAR 9200 23.4 22.1 106 26.2 19.5 134 KIRWIN 9550 8.3 8.2 101 9.3 8.3 112 MARQUETTE 8760 1.9 6.3 30 5.0 6.7 75 SYLVAN LAKE 8420 17.3 16.5 105 20.5 16.2 127 SYLVAN ROAD 7120 11.5 10.0 115 15.3 14.4 106 YOUNTS PEAK 8350 12.5 13.0 96 11.0 12.4 89 ----- ----- Basin wide percent of average 100 114 POWDER-TONGUE BEAR TRAP MEADOW 8200 6.0 3.9 154 6.5 5.9 110 BIG GOOSE 7990 5.8 6.7 87 7.4 6.2 119 BONE SPRINGS DIV 9350 14.1 11.6 122 11.8 10.5 112 BURGESS JUNCTION 7880 8.0 8.0 100 8.9 8.6 103 CLOUD PEAK RESERVOIR 9860 11.4 8.8 130 11.0 8.9 124 DOME LAKE 8880 8.5 8.7 98 9.6 9.4 102 GRAVE SPRINGS 8550 6.1 6.4 95 6.3 6.9 91 HANSEN SAWMILL 8360 4.6 4.6 100 5.1 5.7 89 LITTLE GOOSE 8870 6.4 -M * 10.6 -M * MIDDLE POWDER 7760 7.2 8.0 90 8.9 8.8 101 POWDER RIVER PASS 9480 10.5 7.8 135 12.4 9.1 136 SOLDIER PARK 8720 5.0 -M * 6.3 -M * SUCKER CREEK 8880 9.8 8.0 123 10.7 9.5 113 TIE CREEK 6870 5.3 4.4 120 7.6 7.2 106 ----- ----- Basin wide percent of average 112 110 BELLE FOURCHE BLIND PARK 6890 7.8 5.8 134 13.6 8.4 162 COLE CANYON 5910 6.6 5.0 132 9.5 5.1 186 NORTH RAPID CREEK 6130 7.5 5.8 129 11.6 6.8 171 ----- ----- Basin wide percent of average 132 171 UPPER N. PLATTE RIVER CINNABAR PARK 9574 20.3 14.6 139 21.7 15.8 137 COLUMBINE 9160 25.1 19.1 131 25.4 18.5 137 DIVIDE PEAK 8880 15.7 14.1 111 19.8 15.1 131 ELK RIVER 8700 18.4 14.1 130 20.3 14.2 143 JOE WRIGHT 10120 21.6 15.4 140 27.0 17.9 151 NORTH FRENCH CREEK 10130 33.5 20.2 166 -M 18.0 * OLD BATTLE 10000 31.2 22.8 137 27.6 24.9 111 SAGE CREEK BASIN 7850 14.9 8.2 182 13.9 8.8 158 SOUTH BRUSH CREEK 8440 13.4 8.5 158 16.7 12.0 139 TOWER 10500 41.1 33.6 122 42.0 28.3 148 WEBBER SPRINGS 9250 22.0 18.3 120 26.8 19.8 135 WILLOW CREEK PASS 9540 13.5 8.4 161 13.2 9.2 143 ----- ----- Basin wide percent of average 137 138 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 22.6 17.0 133 23.6 15.6 151 CASPER MTN. 7900 8.6 10.0 86 11.1 9.8 113 DEADMAN HILL 10220 15.3 11.6 132 16.8 11.7 144 DEER PARK 9700 14.5 13.2 110 15.8 16.1 98 LAPRELE CREEK 8375 9.4 7.9 119 10.7 8.9 120 RENO HILL 8400 11.0 9.2 120 12.9 10.2 126 ROACH 9700 15.7 12.4 127 19.1 12.9 148 SAND LAKE 10050 27.4 22.1 124 25.9 17.3 150 SOUTH PASS 9040 12.3 12.2 101 10.7 13.5 79 WINDY PEAK 7900 7.6 5.2 146 10.0 7.6 132 ----- ----- Basin wide percent of average 120 127 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 -M 8.6 * 10.8 10.9 99 DIVIDE PEAK 8880 15.7 14.1 111 19.8 15.1 131 OLD BATTLE 10000 31.2 22.8 137 27.6 24.9 111 SANDSTONE RS 8150 10.7 11.0 97 -M 13.9 * WHISKEY PARK 8950 -M 20.9 * 29.7 21.1 141 ----- ----- Basin wide percent of average 120 122 UPPER GREEN RIVER BIG SANDY OPENING 9080 10.1 10.7 94 10.5 10.0 105 BLIND BULL SUM 8650 21.6 20.4 106 15.5 17.0 91 EAST RIM DIVIDE 7930 11.0 9.6 115 9.6 9.0 107 ELKHART PARK G.S. 9400 9.3 9.8 95 9.3 9.7 96 GROS VENTRE SUMMIT 8750 11.3 10.3 110 11.0 9.5 116 GUNSIGHT PASS 9820 12.6 -M * 12.8 -M * KENDALL R.S. 7740 9.2 10.9 84 10.9 10.9 100 LOOMIS PARK 8240 13.8 12.6 110 15.0 13.1 115 NEW FORK LAKE 8340 9.1 8.6 106 8.6 8.6 100 POCKET CREEK 9360 7.4 -M * 10.1 -M * SNIDER BASIN 8060 14.8 11.0 135 14.8 12.2 121 SPRING CREEK DIVIDE 9000 25.4 19.5 130 25.1 20.1 125 TRIPLE PEAK 8500 22.7 18.5 123 24.4 18.1 135 ----- ----- Basin wide percent of average 112 112 LOWER GREEN RIVER HAMS FORK 7840 11.7 9.5 123 11.9 9.3 128 HEWINTA 9519 9.0 7.8 115 12.6 10.3 122 HICKERSON PARK 9145 5.2 5.1 102 6.9 5.6 123 HOLE-IN-ROCK 9150 5.9 4.8 123 7.5 5.2 144 INDIAN CREEK 9425 22.9 19.6 117 21.2 18.7 113 KELLEY R.S. 8180 15.0 12.1 124 17.8 15.3 116 STEEL CREEK PARK 10200 12.6 10.8 117 15.4 11.3 136 ----- ----- Basin wide percent of average 118 123 UPPER BEAR RIVER BUG LAKE 7950 20.2 15.0 135 21.0 14.3 147 HAYDEN FORK 9212 16.4 11.3 145 22.5 15.1 149 KELLEY R.S. 8180 15.0 12.1 124 17.8 15.3 116 LILY LAKE 9156 14.0 9.4 149 16.6 12.7 131 MONTE CRISTO 8960 24.5 21.2 116 25.9 18.6 139 SALT RIVER SUMMIT 7760 12.1 10.7 113 16.2 14.0 116 TRIAL LAKE 9992 25.8 17.9 144 26.3 17.8 148 ----- ----- Basin wide percent of average 131 136 ----------------------------------------------------------------------------- -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.