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 THURSDAY: JANUARY 13 , 2011 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 10.9 10.0 109 14.0 12.2 115 COTTONWOOD CREEK 7670 15.1 11.5 131 19.6 15.8 124 GRAND TARGHEE 9260 26.6 -M * 19.3 -M * GRANITE CREEK 6770 11.1 9.5 117 13.5 11.3 119 GRASSY LAKE 7265 18.6 17.9 104 21.9 20.7 106 GROS VENTRE SUMMIT 8750 8.9 8.0 111 9.0 7.3 123 GUNSIGHT PASS 9820 9.7 -M * 10.0 -M * LEWIS LAKE DIVIDE 7850 19.7 17.9 110 21.2 20.6 103 PHILLIPS BENCH 8200 17.4 15.0 116 18.9 16.0 118 SALT RIVER SUMMIT 7760 8.6 6.8 126 12.6 10.6 119 SNAKE RIVER STATION 6920 8.1 9.6 84 14.9 12.9 116 SPRING CREEK DIVIDE 9000 17.0 14.4 118 17.6 15.4 114 THUMB DIVIDE 7980 12.4 9.2 135 12.7 10.7 119 TOGWOTEE PASS 9580 15.8 13.7 115 17.1 14.0 122 TWO OCEAN PLATEAU 9240 19.9 15.6 128 16.0 15.5 103 WILLOW CREEK 8380 17.2 16.7 103 22.6 18.2 124 ----- ----- Basin wide percent of average 114 115 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9360 13.4 13.6 99 13.2 11.6 114 BLACK BEAR 8170 24.7 20.8 119 24.9 21.1 118 CANYON 7870 9.0 7.4 122 10.6 9.0 118 FISHER CREEK 9100 20.5 19.6 105 20.3 20.3 100 MADISON PLATEAU 7750 15.9 13.4 119 17.6 14.4 122 NORTHEAST ENTRANCE 7350 6.5 6.2 105 8.5 7.4 115 PARKER PEAK 9400 15.9 12.4 128 15.4 9.3 166 SYLVAN LAKE 8420 13.0 12.5 104 16.2 12.5 130 THUMB DIVIDE 7980 12.4 9.2 135 12.7 10.7 119 TWO OCEAN PLATEAU 9240 19.9 15.6 128 16.0 15.5 103 WHISKEY CREEK 6800 10.9 9.0 121 13.4 11.6 116 WHITE MILL 8700 14.1 13.3 106 15.1 15.0 101 WOLVERINE 7650 8.4 7.0 120 8.2 7.9 104 ----- ----- Basin wide percent of average 115 116 WIND RIVER BURROUGHS CREEK 8750 8.2 8.4 98 8.7 9.4 93 CASTLE CREEK 8400 3.8 -M * 4.6 -M * COLD SPRINGS 9630 5.2 5.2 100 5.4 6.3 86 DEER PARK 9700 13.0 9.1 143 13.9 12.4 112 HOBBS PARK 10100 8.9 8.6 103 8.1 7.1 114 LITTLE WARM 9370 6.7 6.5 103 7.0 7.8 90 SOUTH PASS 9040 10.6 9.5 112 9.5 10.3 92 ST. LAWRENCE ALT 8620 3.6 4.2 86 4.4 5.0 88 TOGWOTEE PASS 9580 15.8 13.7 115 17.1 14.0 122 TOWNSEND CREEK 8700 5.1 4.9 104 7.0 6.5 108 ----- ----- Basin wide percent of average 110 103 BIGHORN BASIN BALD MTN. 9380 11.7 11.4 103 10.5 9.9 106 BEAR TRAP MEADOW 8200 4.2 2.9 145 5.2 4.9 106 BLACKWATER 9780 15.0 13.8 109 14.5 12.1 120 BONE SPRINGS DIV 9350 9.2 9.0 102 8.3 8.2 101 EVENING STAR 9200 17.2 16.4 105 18.9 15.0 126 GRAVE SPRINGS 8550 4.0 4.8 83 4.5 5.6 80 KIRWIN 9550 7.0 6.8 103 7.6 6.7 113 MARQUETTE 8760 2.0 5.3 38 4.3 5.7 75 MIDDLE POWDER 7760 5.6 6.2 90 3.8 7.4 51 OWL CREEK 8975 2.8 2.9 97 3.2 3.2 100 POWDER RIVER PASS 9480 7.1 6.1 116 8.2 6.9 119 SHELL CREEK 9580 8.2 8.4 98 7.3 7.7 95 SYLVAN LAKE 8420 13.0 12.5 104 16.2 12.5 130 SYLVAN ROAD 7120 8.5 7.4 115 11.7 11.5 102 TIMBER CREEK 7950 2.5 3.3 76 2.9 4.0 73 YOUNTS PEAK 8350 9.8 9.6 102 9.0 9.6 94 ----- ----- Basin wide percent of average 101 104 SHOSHONE RIVER BLACKWATER 9780 15.0 13.8 109 14.5 12.1 120 EVENING STAR 9200 17.2 16.4 105 18.9 15.0 126 KIRWIN 9550 7.0 6.8 103 7.6 6.7 113 MARQUETTE 8760 2.0 5.3 38 4.3 5.7 75 SYLVAN LAKE 8420 13.0 12.5 104 16.2 12.5 130 SYLVAN ROAD 7120 8.5 7.4 115 11.7 11.5 102 YOUNTS PEAK 8350 9.8 9.6 102 9.0 9.6 94 ----- ----- Basin wide percent of average 101 112 POWDER-TONGUE BEAR TRAP MEADOW 8200 4.2 2.9 145 5.2 4.9 106 BIG GOOSE 7990 3.6 5.1 71 5.2 4.8 108 BONE SPRINGS DIV 9350 9.2 9.0 102 8.3 8.2 101 BURGESS JUNCTION 7880 4.4 6.2 71 5.7 6.8 84 CLOUD PEAK RESERVOIR 9860 7.8 6.7 116 8.2 7.1 115 DOME LAKE 8880 4.7 6.8 69 6.8 7.6 89 GRAVE SPRINGS 8550 4.0 4.8 83 4.5 5.6 80 HANSEN SAWMILL 8360 3.9 3.6 108 4.2 4.7 89 LITTLE GOOSE 8870 4.3 -M * 8.0 -M * MIDDLE POWDER 7760 5.6 6.2 90 3.8 7.4 51 POWDER RIVER PASS 9480 7.1 6.1 116 8.2 6.9 119 SOLDIER PARK 8720 3.5 -M * 5.0 -M * SUCKER CREEK 8880 6.1 6.0 102 6.8 7.5 91 TIE CREEK 6870 2.8 3.4 82 4.7 5.8 81 ----- ----- Basin wide percent of average 95 93 BELLE FOURCHE BLIND PARK 6890 3.6 4.4 82 9.1 6.9 132 COLE CANYON 5910 3.9 3.7 105 6.5 4.2 155 NORTH RAPID CREEK 6130 4.1 3.9 105 8.0 5.7 140 ----- ----- Basin wide percent of average 97 140 UPPER N. PLATTE RIVER CINNABAR PARK 9574 14.0 11.7 120 16.6 12.8 130 COLUMBINE 9160 16.6 12.4 134 19.6 13.6 144 DIVIDE PEAK 8880 12.5 10.8 116 16.0 11.6 138 ELK RIVER 8700 12.6 9.2 137 15.4 10.5 147 JOE WRIGHT 10120 14.7 11.3 130 20.4 13.6 150 NORTH FRENCH CREEK 10130 22.4 15.4 145 21.9 13.8 159 OLD BATTLE 10000 24.7 16.6 149 25.3 18.7 135 SAGE CREEK BASIN 7850 11.0 6.3 175 11.7 6.7 175 SOUTH BRUSH CREEK 8440 9.8 6.0 163 13.1 9.0 146 TOWER 10500 29.2 24.2 121 31.7 20.9 152 WEBBER SPRINGS 9250 16.7 13.2 127 21.6 15.2 142 WILLOW CREEK PASS 9540 10.9 6.3 173 11.0 7.1 155 ----- ----- Basin wide percent of average 136 146 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 15.6 12.6 124 16.9 11.9 142 CASPER MTN. 7900 6.1 7.7 79 8.9 7.9 113 DEADMAN HILL 10220 4.6 8.8 52 13.9 8.9 156 DEER PARK 9700 13.0 9.1 143 13.9 12.4 112 LAPRELE CREEK 8375 6.0 6.1 98 7.4 7.0 106 RENO HILL 8400 7.6 7.3 104 9.4 8.1 116 ROACH 9700 11.6 8.7 133 14.7 9.8 150 SAND LAKE 10050 20.1 16.9 119 19.1 13.4 143 SOUTH PASS 9040 10.6 9.5 112 9.5 10.3 92 WINDY PEAK 7900 4.8 3.8 126 7.4 6.1 121 ----- ----- Basin wide percent of average 110 126 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 5.8 5.6 104 9.3 8.3 112 DIVIDE PEAK 8880 12.5 10.8 116 16.0 11.6 138 OLD BATTLE 10000 24.7 16.6 149 25.3 18.7 135 SANDSTONE RS 8150 7.7 7.0 110 15.6 10.4 150 WHISKEY PARK 8950 -M 13.9 * 22.1 15.9 139 ----- ----- Basin wide percent of average 127 136 UPPER GREEN RIVER BIG SANDY OPENING 9080 8.5 7.9 108 9.1 7.5 121 BLIND BULL SUM 8650 15.1 15.3 99 11.5 12.9 89 EAST RIM DIVIDE 7930 7.3 6.9 106 7.2 6.7 107 ELKHART PARK G.S. 9400 6.9 7.3 95 7.5 7.6 99 GROS VENTRE SUMMIT 8750 8.9 8.0 111 9.0 7.3 123 GUNSIGHT PASS 9820 9.7 -M * 10.0 -M * KENDALL R.S. 7740 6.9 8.0 86 8.7 8.1 107 LOOMIS PARK 8240 9.8 9.3 105 11.0 9.8 112 NEW FORK LAKE 8340 6.6 6.3 105 6.4 6.8 94 POCKET CREEK 9360 6.6 -M * 8.5 -M * SNIDER BASIN 8060 10.5 8.0 131 11.1 9.3 119 SPRING CREEK DIVIDE 9000 17.0 14.4 118 17.6 15.4 114 TRIPLE PEAK 8500 15.1 13.8 109 17.4 13.3 131 ----- ----- Basin wide percent of average 107 111 LOWER GREEN RIVER HAMS FORK 7840 7.8 6.6 118 9.1 6.9 132 HEWINTA 9519 5.1 5.1 100 10.2 7.9 129 HICKERSON PARK 9145 3.4 3.5 97 5.3 4.6 115 HOLE-IN-ROCK 9150 4.2 3.2 131 5.6 4.2 133 INDIAN CREEK 9425 17.2 14.5 119 16.5 14.2 116 KELLEY R.S. 8180 11.4 8.8 130 14.3 11.8 121 STEEL CREEK PARK 10200 9.0 7.7 117 12.0 8.5 141 ----- ----- Basin wide percent of average 118 126 UPPER BEAR RIVER BUG LAKE 7950 16.0 10.2 157 17.4 10.7 163 HAYDEN FORK 9212 10.9 7.6 143 18.3 11.5 159 KELLEY R.S. 8180 11.4 8.8 130 14.3 11.8 121 LILY LAKE 9156 10.2 6.5 157 13.6 9.8 139 MONTE CRISTO 8960 18.7 13.7 136 21.3 14.0 152 SALT RIVER SUMMIT 7760 8.6 6.8 126 12.6 10.6 119 TRIAL LAKE 9992 21.1 12.5 169 22.6 13.1 173 ----- ----- Basin wide percent of average 147 147 ----------------------------------------------------------------------------- -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.