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 30 , 2011 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 14.1 12.4 114 16.9 14.6 116 COTTONWOOD CREEK 7670 18.7 14.0 134 24.2 18.4 132 GRAND TARGHEE 9260 33.7 -M * 24.6 -M * GRANITE CREEK 6770 13.8 12.1 114 16.0 13.5 119 GRASSY LAKE 7265 24.6 22.5 109 27.4 24.6 111 GROS VENTRE SUMMIT 8750 10.2 9.3 110 10.0 8.5 118 GUNSIGHT PASS 9820 11.6 -M * 11.8 -M * LEWIS LAKE DIVIDE 7850 23.9 22.6 106 24.5 24.5 100 PHILLIPS BENCH 8200 20.8 18.2 114 22.1 19.2 115 SALT RIVER SUMMIT 7760 11.5 9.0 128 15.6 12.4 126 SNAKE RIVER STATION 6920 -M 12.3 * 18.0 15.3 118 SPRING CREEK DIVIDE 9000 24.1 17.1 141 23.6 18.0 131 THUMB DIVIDE 7980 13.9 11.5 121 14.0 12.5 112 TOGWOTEE PASS 9580 19.9 16.6 120 21.2 16.6 128 TWO OCEAN PLATEAU 9240 23.1 18.6 124 19.1 18.2 105 WILLOW CREEK 8380 22.8 19.9 115 28.0 21.5 130 ----- ----- Basin wide percent of average 118 118 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9360 17.1 16.0 107 16.7 13.8 121 BLACK BEAR 8170 29.3 25.2 116 29.0 25.6 113 CANYON 7870 10.8 8.8 123 12.4 10.6 117 FISHER CREEK 9100 26.3 23.4 112 25.4 24.2 105 MADISON PLATEAU 7750 18.5 15.9 116 20.2 17.2 117 NORTHEAST ENTRANCE 7350 8.6 7.5 115 10.7 8.8 122 PARKER PEAK 9400 19.4 14.5 134 17.9 10.9 164 SYLVAN LAKE 8420 16.1 14.8 109 19.3 14.6 132 THUMB DIVIDE 7980 13.9 11.5 121 14.0 12.5 112 TWO OCEAN PLATEAU 9240 23.1 18.6 124 19.1 18.2 105 WHISKEY CREEK 6800 13.2 10.9 121 15.6 13.6 115 WHITE MILL 8700 18.1 15.8 115 18.9 18.0 105 WOLVERINE 7650 11.2 8.6 130 10.1 9.1 111 ----- ----- Basin wide percent of average 118 116 WIND RIVER BURROUGHS CREEK 8750 10.0 10.0 100 10.6 11.1 95 CASTLE CREEK 8400 4.3 -M * 4.9 -M * COLD SPRINGS 9630 5.7 5.9 97 5.7 7.0 81 DEER PARK 9700 14.1 11.6 122 15.3 14.3 107 HOBBS PARK 10100 9.4 9.7 97 8.4 8.1 104 LITTLE WARM 9370 8.0 7.7 104 8.4 9.0 93 SOUTH PASS 9040 11.5 11.2 103 10.2 12.0 85 ST. LAWRENCE ALT 8620 3.6 4.7 77 4.4 5.6 79 TOGWOTEE PASS 9580 19.9 16.6 120 21.2 16.6 128 TOWNSEND CREEK 8700 5.5 5.5 100 7.4 7.2 103 ----- ----- Basin wide percent of average 106 101 BIGHORN BASIN BALD MTN. 9380 15.9 13.2 120 13.1 11.6 113 BEAR TRAP MEADOW 8200 5.4 3.5 154 5.8 5.4 107 BLACKWATER 9780 17.8 16.3 109 17.3 14.0 124 BONE SPRINGS DIV 9350 12.8 10.5 122 10.9 9.5 115 EVENING STAR 9200 22.2 19.4 114 24.5 17.3 142 GRAVE SPRINGS 8550 5.0 5.6 89 5.4 6.3 86 KIRWIN 9550 7.8 7.6 103 8.6 7.5 115 MARQUETTE 8760 1.8 5.9 31 4.1 6.1 67 MIDDLE POWDER 7760 6.3 7.1 89 4.0 8.2 49 OWL CREEK 8975 3.1 3.4 91 3.3 3.6 92 POWDER RIVER PASS 9480 10.0 7.1 141 11.6 8.2 141 SHELL CREEK 9580 11.6 9.8 118 10.3 9.2 112 SYLVAN LAKE 8420 16.1 14.8 109 19.3 14.6 132 SYLVAN ROAD 7120 10.8 8.6 126 14.2 13.1 108 TIMBER CREEK 7950 2.5 3.6 69 3.2 4.4 73 YOUNTS PEAK 8350 11.8 11.8 100 10.5 11.2 94 ----- ----- Basin wide percent of average 109 111 SHOSHONE RIVER BLACKWATER 9780 17.8 16.3 109 17.3 14.0 124 EVENING STAR 9200 22.2 19.4 114 24.5 17.3 142 KIRWIN 9550 7.8 7.6 103 8.6 7.5 115 MARQUETTE 8760 1.8 5.9 31 4.1 6.1 67 SYLVAN LAKE 8420 16.1 14.8 109 19.3 14.6 132 SYLVAN ROAD 7120 10.8 8.6 126 14.2 13.1 108 YOUNTS PEAK 8350 11.8 11.8 100 10.5 11.2 94 ----- ----- Basin wide percent of average 105 118 POWDER-TONGUE BEAR TRAP MEADOW 8200 5.4 3.5 154 5.8 5.4 107 BIG GOOSE 7990 4.9 5.9 83 6.5 5.5 118 BONE SPRINGS DIV 9350 12.8 10.5 122 10.9 9.5 115 BURGESS JUNCTION 7880 6.6 7.3 90 7.7 7.8 99 CLOUD PEAK RESERVOIR 9860 10.1 7.9 128 9.5 8.1 117 DOME LAKE 8880 7.4 7.8 95 8.6 8.6 100 GRAVE SPRINGS 8550 5.0 5.6 89 5.4 6.3 86 HANSEN SAWMILL 8360 4.5 4.2 107 4.8 5.2 92 LITTLE GOOSE 8870 5.8 -M * 9.7 -M * MIDDLE POWDER 7760 6.3 7.1 89 4.0 8.2 49 POWDER RIVER PASS 9480 10.0 7.1 141 11.6 8.2 141 SOLDIER PARK 8720 4.3 -M * 5.8 -M * SUCKER CREEK 8880 8.5 7.1 120 9.3 8.7 107 TIE CREEK 6870 4.2 3.9 108 6.4 6.7 96 ----- ----- Basin wide percent of average 110 103 BELLE FOURCHE BLIND PARK 6890 5.9 5.2 113 11.7 7.7 152 COLE CANYON 5910 5.4 4.4 123 8.2 4.6 178 NORTH RAPID CREEK 6130 5.8 4.9 118 9.8 6.2 158 ----- ----- Basin wide percent of average 118 161 UPPER N. PLATTE RIVER CINNABAR PARK 9574 18.0 13.0 138 21.3 14.2 150 COLUMBINE 9160 21.8 16.0 136 24.0 16.4 146 DIVIDE PEAK 8880 14.3 12.8 112 18.2 13.5 135 ELK RIVER 8700 15.9 11.9 134 18.1 12.5 145 JOE WRIGHT 10120 18.4 13.6 135 23.9 15.9 150 NORTH FRENCH CREEK 10130 29.1 18.1 161 27.8 16.1 173 OLD BATTLE 10000 28.9 19.7 147 26.8 22.0 122 SAGE CREEK BASIN 7850 12.4 7.4 168 13.0 7.8 167 SOUTH BRUSH CREEK 8440 11.4 7.3 156 14.8 10.7 138 TOWER 10500 37.1 29.5 126 35.5 25.0 142 WEBBER SPRINGS 9250 20.0 15.8 127 24.7 17.8 139 WILLOW CREEK PASS 9540 12.2 7.4 165 12.1 8.2 148 ----- ----- Basin wide percent of average 139 144 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 20.4 15.1 135 21.3 14.0 152 CASPER MTN. 7900 7.5 8.9 84 10.0 8.8 114 DEADMAN HILL 10220 9.3 10.4 89 15.0 10.4 144 DEER PARK 9700 14.1 11.6 122 15.3 14.3 107 LAPRELE CREEK 8375 7.9 7.1 111 9.1 8.0 114 RENO HILL 8400 9.2 8.3 111 11.1 9.2 121 ROACH 9700 13.5 10.8 125 16.8 11.5 146 SAND LAKE 10050 24.2 19.6 123 23.0 15.7 146 SOUTH PASS 9040 11.5 11.2 103 10.2 12.0 85 WINDY PEAK 7900 6.2 4.4 141 8.6 6.9 125 ----- ----- Basin wide percent of average 115 127 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 3.6 7.6 47 10.2 9.7 105 DIVIDE PEAK 8880 14.3 12.8 112 18.2 13.5 135 OLD BATTLE 10000 28.9 19.7 147 26.8 22.0 122 SANDSTONE RS 8150 -M 9.4 * -M 12.3 * WHISKEY PARK 8950 -M 18.1 * 27.0 19.1 141 ----- ----- Basin wide percent of average 117 128 UPPER GREEN RIVER BIG SANDY OPENING 9080 9.9 9.4 105 10.3 8.9 116 BLIND BULL SUM 8650 20.3 18.1 112 14.8 15.2 97 EAST RIM DIVIDE 7930 9.8 8.3 118 8.9 8.0 111 ELKHART PARK G.S. 9400 8.8 8.6 102 9.0 8.8 102 GROS VENTRE SUMMIT 8750 10.2 9.3 110 10.0 8.5 118 GUNSIGHT PASS 9820 11.6 -M * 11.8 -M * KENDALL R.S. 7740 8.8 9.6 92 10.5 9.6 109 LOOMIS PARK 8240 12.8 11.0 116 13.8 11.6 119 NEW FORK LAKE 8340 8.3 7.5 111 7.9 7.8 101 POCKET CREEK 9360 7.6 -M * 9.8 -M * SNIDER BASIN 8060 14.1 9.6 147 14.0 10.9 128 SPRING CREEK DIVIDE 9000 24.1 17.1 141 23.6 18.0 131 TRIPLE PEAK 8500 21.4 16.4 130 22.8 15.9 143 ----- ----- Basin wide percent of average 119 118 LOWER GREEN RIVER HAMS FORK 7840 11.2 8.2 137 11.4 8.2 139 HEWINTA 9519 7.4 6.5 114 11.3 9.2 123 HICKERSON PARK 9145 3.9 4.3 91 5.6 5.1 110 HOLE-IN-ROCK 9150 4.5 4.0 113 6.1 4.7 130 INDIAN CREEK 9425 22.1 17.3 128 20.3 16.5 123 KELLEY R.S. 8180 14.5 10.4 139 17.3 13.7 126 STEEL CREEK PARK 10200 11.0 9.2 120 13.9 10.0 139 ----- ----- Basin wide percent of average 125 127 UPPER BEAR RIVER BUG LAKE 7950 18.6 12.9 144 20.3 12.7 160 HAYDEN FORK 9212 13.8 9.6 144 20.7 13.4 154 KELLEY R.S. 8180 14.5 10.4 139 17.3 13.7 126 LILY LAKE 9156 12.4 8.0 155 15.1 11.3 134 MONTE CRISTO 8960 22.7 17.7 128 24.8 16.4 151 SALT RIVER SUMMIT 7760 11.5 9.0 128 15.6 12.4 126 TRIAL LAKE 9992 23.8 15.3 156 24.6 15.6 158 ----- ----- Basin wide percent of average 141 145 ----------------------------------------------------------------------------- -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.