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 SUNDAY: JANUARY 9 , 2011 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 10.6 9.4 113 13.6 11.6 117 COTTONWOOD CREEK 7670 14.7 10.9 135 19.3 15.1 128 GRAND TARGHEE 9260 25.7 -M * 18.7 -M * GRANITE CREEK 6770 11.0 8.9 124 13.4 10.7 125 GRASSY LAKE 7265 18.0 16.8 107 21.2 19.6 108 GROS VENTRE SUMMIT 8750 8.9 7.6 117 8.8 7.0 126 GUNSIGHT PASS 9820 9.5 -M * 9.7 -M * LEWIS LAKE DIVIDE 7850 19.3 16.8 115 20.7 19.6 106 PHILLIPS BENCH 8200 17.0 14.2 120 18.6 15.2 122 SALT RIVER SUMMIT 7760 8.4 6.3 133 12.4 10.1 123 SNAKE RIVER STATION 6920 8.1 9.0 90 14.6 12.3 119 SPRING CREEK DIVIDE 9000 16.6 13.8 120 17.3 14.6 118 THUMB DIVIDE 7980 12.1 8.7 139 12.6 10.1 125 TOGWOTEE PASS 9580 15.7 13.0 121 16.7 13.4 125 TWO OCEAN PLATEAU 9240 19.7 14.9 132 15.9 14.9 107 WILLOW CREEK 8380 16.8 15.9 106 22.1 17.3 128 ----- ----- Basin wide percent of average 118 119 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9360 12.9 12.7 102 12.6 11.1 114 BLACK BEAR 8170 24.1 19.5 124 24.6 19.9 124 CANYON 7870 8.9 6.9 129 10.4 8.6 121 FISHER CREEK 9100 20.0 18.3 109 19.7 19.2 103 MADISON PLATEAU 7750 15.5 12.6 123 17.3 13.7 126 NORTHEAST ENTRANCE 7350 6.3 5.7 111 8.3 7.1 117 PARKER PEAK 9400 15.4 11.7 132 15.0 9.0 167 SYLVAN LAKE 8420 12.7 11.7 109 15.7 12.0 131 THUMB DIVIDE 7980 12.1 8.7 139 12.6 10.1 125 TWO OCEAN PLATEAU 9240 19.7 14.9 132 15.9 14.9 107 WHISKEY CREEK 6800 10.8 8.5 127 13.2 11.0 120 WHITE MILL 8700 13.7 12.5 110 14.7 14.3 103 WOLVERINE 7650 8.0 6.5 123 7.7 7.6 101 ----- ----- Basin wide percent of average 120 118 WIND RIVER BURROUGHS CREEK 8750 8.0 7.7 104 8.4 9.0 93 CASTLE CREEK 8400 3.6 -M * 4.1 -M * COLD SPRINGS 9630 4.9 4.9 100 5.0 6.1 82 DEER PARK 9700 12.9 7.3 177 13.8 11.9 116 HOBBS PARK 10100 8.6 8.1 106 7.5 6.9 109 LITTLE WARM 9370 6.6 6.0 110 6.8 7.4 92 SOUTH PASS 9040 10.3 8.9 116 9.5 9.9 96 ST. LAWRENCE ALT 8620 3.1 4.0 78 4.1 4.9 84 TOGWOTEE PASS 9580 15.7 13.0 121 16.7 13.4 125 TOWNSEND CREEK 8700 4.8 4.7 102 6.8 6.3 108 ----- ----- Basin wide percent of average 116 104 BIGHORN BASIN BALD MTN. 9380 11.3 10.8 105 10.0 9.4 106 BEAR TRAP MEADOW 8200 3.7 2.8 132 4.8 4.7 102 BLACKWATER 9780 14.5 13.1 111 13.8 11.7 118 BONE SPRINGS DIV 9350 8.6 8.6 100 7.7 7.9 97 EVENING STAR 9200 16.7 15.3 109 18.3 14.3 128 GRAVE SPRINGS 8550 3.8 4.6 83 4.3 5.3 81 KIRWIN 9550 6.9 6.4 108 7.3 6.4 114 MARQUETTE 8760 1.6 5.2 31 3.7 5.5 67 MIDDLE POWDER 7760 5.3 5.9 90 3.5 7.2 49 OWL CREEK 8975 2.5 2.8 89 2.9 3.1 94 POWDER RIVER PASS 9480 6.8 5.8 117 7.7 6.6 117 SHELL CREEK 9580 7.8 8.0 98 6.8 7.3 93 SYLVAN LAKE 8420 12.7 11.7 109 15.7 12.0 131 SYLVAN ROAD 7120 8.2 6.9 119 11.5 11.0 105 TIMBER CREEK 7950 2.2 3.1 71 2.8 3.9 72 YOUNTS PEAK 8350 9.7 9.0 108 8.9 9.1 98 ----- ----- Basin wide percent of average 102 103 SHOSHONE RIVER BLACKWATER 9780 14.5 13.1 111 13.8 11.7 118 EVENING STAR 9200 16.7 15.3 109 18.3 14.3 128 KIRWIN 9550 6.9 6.4 108 7.3 6.4 114 MARQUETTE 8760 1.6 5.2 31 3.7 5.5 67 SYLVAN LAKE 8420 12.7 11.7 109 15.7 12.0 131 SYLVAN ROAD 7120 8.2 6.9 119 11.5 11.0 105 YOUNTS PEAK 8350 9.7 9.0 108 8.9 9.1 98 ----- ----- Basin wide percent of average 104 113 POWDER-TONGUE BEAR TRAP MEADOW 8200 3.7 2.8 132 4.8 4.7 102 BIG GOOSE 7990 3.3 4.8 69 4.9 4.7 104 BONE SPRINGS DIV 9350 8.6 8.6 100 7.7 7.9 97 BURGESS JUNCTION 7880 4.1 6.0 68 5.4 6.6 82 CLOUD PEAK RESERVOIR 9860 7.5 6.3 119 7.4 6.9 107 DOME LAKE 8880 4.4 6.5 68 6.2 7.4 84 GRAVE SPRINGS 8550 3.8 4.6 83 4.3 5.3 81 HANSEN SAWMILL 8360 3.5 3.4 103 3.9 4.5 87 LITTLE GOOSE 8870 4.0 -M * 7.6 -M * MIDDLE POWDER 7760 5.3 5.9 90 3.5 7.2 49 POWDER RIVER PASS 9480 6.8 5.8 117 7.7 6.6 117 SOLDIER PARK 8720 3.1 -M * 4.6 -M * SUCKER CREEK 8880 5.7 5.7 100 6.5 7.2 90 TIE CREEK 6870 2.5 3.0 83 4.4 5.5 80 ----- ----- Basin wide percent of average 93 90 BELLE FOURCHE BLIND PARK 6890 3.5 4.1 85 9.1 6.6 138 COLE CANYON 5910 4.0 3.6 111 6.4 4.1 156 NORTH RAPID CREEK 6130 4.0 3.7 108 7.8 5.6 139 ----- ----- Basin wide percent of average 101 143 UPPER N. PLATTE RIVER CINNABAR PARK 9574 13.7 11.2 122 16.6 12.4 134 COLUMBINE 9160 16.3 11.6 141 19.5 12.9 151 DIVIDE PEAK 8880 12.2 10.3 118 15.8 11.1 142 ELK RIVER 8700 12.3 8.5 145 15.1 9.9 153 JOE WRIGHT 10120 14.5 10.7 136 20.0 13.1 153 NORTH FRENCH CREEK 10130 22.0 14.8 149 21.7 13.2 164 OLD BATTLE 10000 24.6 16.0 154 25.2 17.8 142 SAGE CREEK BASIN 7850 10.8 6.0 180 11.5 6.4 180 SOUTH BRUSH CREEK 8440 9.7 5.7 170 12.9 8.6 150 TOWER 10500 28.6 23.0 124 28.0 19.9 141 WEBBER SPRINGS 9250 16.6 12.6 132 21.4 14.5 148 WILLOW CREEK PASS 9540 10.8 6.1 177 10.9 6.9 158 ----- ----- Basin wide percent of average 141 149 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 15.3 12.0 128 16.6 11.3 147 CASPER MTN. 7900 6.0 7.5 80 8.7 7.6 114 DEADMAN HILL 10220 5.2 8.4 62 13.3 8.6 155 DEER PARK 9700 12.9 7.3 177 13.8 11.9 116 LAPRELE CREEK 8375 5.9 5.9 100 7.1 6.7 106 RENO HILL 8400 7.4 7.1 104 9.2 7.7 119 ROACH 9700 11.4 8.2 139 14.5 9.4 154 SAND LAKE 10050 19.6 16.3 120 18.8 12.8 147 SOUTH PASS 9040 10.3 8.9 116 9.5 9.9 96 WINDY PEAK 7900 4.6 3.7 124 7.1 6.0 118 ----- ----- Basin wide percent of average 116 129 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 5.7 5.1 112 9.2 7.9 116 DIVIDE PEAK 8880 12.2 10.3 118 15.8 11.1 142 OLD BATTLE 10000 24.6 16.0 154 25.2 17.8 142 SANDSTONE RS 8150 7.6 6.4 119 15.3 9.9 155 WHISKEY PARK 8950 -M 12.9 * 21.8 14.9 146 ----- ----- Basin wide percent of average 133 142 UPPER GREEN RIVER BIG SANDY OPENING 9080 8.3 7.6 109 9.0 7.2 125 BLIND BULL SUM 8650 14.7 14.6 101 11.2 12.3 91 EAST RIM DIVIDE 7930 7.1 6.6 108 7.0 6.4 109 ELKHART PARK G.S. 9400 6.7 7.0 96 7.4 7.3 101 GROS VENTRE SUMMIT 8750 8.9 7.6 117 8.8 7.0 126 GUNSIGHT PASS 9820 9.5 -M * 9.7 -M * KENDALL R.S. 7740 6.8 7.5 91 8.6 7.7 112 LOOMIS PARK 8240 9.7 8.9 109 10.8 9.3 116 NEW FORK LAKE 8340 6.4 6.0 107 6.3 6.5 97 POCKET CREEK 9360 6.5 -M * 8.3 -M * SNIDER BASIN 8060 10.3 7.6 136 10.9 8.9 122 SPRING CREEK DIVIDE 9000 16.6 13.8 120 17.3 14.6 118 TRIPLE PEAK 8500 14.8 13.2 112 16.9 12.6 134 ----- ----- Basin wide percent of average 110 114 LOWER GREEN RIVER HAMS FORK 7840 7.7 6.2 124 8.8 6.5 135 HEWINTA 9519 5.3 4.7 113 9.9 7.6 130 HICKERSON PARK 9145 3.3 3.3 100 5.3 4.4 120 HOLE-IN-ROCK 9150 4.0 3.0 133 5.5 4.1 134 INDIAN CREEK 9425 17.1 13.9 123 16.4 13.5 121 KELLEY R.S. 8180 11.3 8.4 135 14.1 11.3 125 STEEL CREEK PARK 10200 8.8 7.3 121 11.8 8.2 144 ----- ----- Basin wide percent of average 123 129 UPPER BEAR RIVER BUG LAKE 7950 15.8 9.6 165 17.4 10.2 171 HAYDEN FORK 9212 10.8 7.2 150 17.9 11.0 163 KELLEY R.S. 8180 11.3 8.4 135 14.1 11.3 125 LILY LAKE 9156 10.1 6.2 163 13.2 9.4 140 MONTE CRISTO 8960 18.3 12.8 143 21.2 13.4 158 SALT RIVER SUMMIT 7760 8.4 6.3 133 12.4 10.1 123 TRIAL LAKE 9992 21.1 11.8 179 22.4 12.5 179 ----- ----- Basin wide percent of average 154 152 ----------------------------------------------------------------------------- -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.