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 25 , 2009 ----------------------------------------------------------------------------- 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 11.7 91 13.1 14.0 94 COTTONWOOD CREEK 7670 17.0 13.3 128 20.4 17.7 115 GRAND TARGHEE 9260 25.2 -M * 22.3 -M * GRANITE CREEK 6770 11.0 11.3 97 15.5 12.9 120 GRASSY LAKE 7265 19.1 21.2 90 22.6 23.5 96 GROS VENTRE SUMMIT 8750 8.8 9.0 98 10.1 8.2 123 GUNSIGHT PASS 9820 9.2 -M * 10.2 -M * LEWIS LAKE DIVIDE 7850 16.4 21.3 77 20.9 23.4 89 PHILLIPS BENCH 8200 17.1 17.2 99 19.3 18.3 105 SALT RIVER SUMMIT 7760 8.1 8.4 96 9.8 11.9 82 SNAKE RIVER STATION 6920 10.3 11.5 90 14.5 14.6 99 SPRING CREEK DIVIDE 9000 16.8 16.3 103 17.5 17.3 101 THUMB DIVIDE 7980 10.6 10.8 98 12.5 12.0 104 TOGWOTEE PASS 9580 18.8 15.8 119 20.6 15.9 130 TWO OCEAN PLATEAU 9240 23.8 17.8 134 18.3 17.4 105 WILLOW CREEK 8380 20.6 19.0 108 25.2 20.6 122 ----- ----- Basin wide percent of average 102 106 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9360 14.9 15.3 97 13.6 13.1 104 BLACK BEAR 8170 19.9 24.4 82 21.6 24.3 89 CANYON 7870 7.9 8.4 94 8.7 10.2 85 FISHER CREEK 9100 23.1 22.5 103 21.8 23.1 94 MADISON PLATEAU 7750 11.7 15.4 76 13.7 16.4 84 NORTHEAST ENTRANCE 7350 6.5 7.3 89 8.9 8.4 106 PARKER PEAK 9400 16.3 14.0 116 11.7 10.5 111 SYLVAN LAKE 8420 12.1 14.2 85 14.4 13.9 104 THUMB DIVIDE 7980 10.6 10.8 98 12.5 12.0 104 TWO OCEAN PLATEAU 9240 23.8 17.8 134 18.3 17.4 105 WHISKEY CREEK 6800 8.4 10.5 80 11.3 13.0 87 WHITE MILL 8700 15.1 15.3 99 15.1 17.1 88 WOLVERINE 7650 7.7 8.2 94 7.5 8.7 86 ----- ----- Basin wide percent of average 97 95 WIND RIVER BURROUGHS CREEK 8750 11.6 9.6 121 12.3 10.7 115 COLD SPRINGS 9630 4.8 5.7 84 6.4 6.8 94 DEER PARK 9700 6.4 11.4 56 9.9 13.7 72 HOBBS PARK 10100 6.9 9.4 73 7.2 7.8 92 LITTLE WARM 9370 7.1 7.3 97 9.1 8.7 105 SOUTH PASS 9040 6.9 10.7 64 8.6 11.5 75 ST. LAWRENCE ALT 8620 1.7 4.6 37 4.7 5.4 87 TOGWOTEE PASS 9580 18.8 15.8 119 20.6 15.9 130 TOWNSEND CREEK 8700 4.2 5.4 78 6.2 7.0 89 ----- ----- Basin wide percent of average 86 97 BIGHORN BASIN BALD MTN. 9380 13.4 12.8 105 11.1 11.1 100 BEAR TRAP MEADOW 8200 5.6 3.3 170 6.4 5.3 121 BLACKWATER 9780 15.8 15.6 101 14.4 13.4 107 BONE SPRINGS DIV 9350 13.4 10.1 133 10.5 9.1 115 EVENING STAR 9200 19.5 18.6 105 20.3 16.7 122 GRAVE SPRINGS 8550 4.9 5.3 92 6.1 6.2 98 KIRWIN 9550 8.6 7.4 116 9.6 7.3 132 MARQUETTE 8760 2.6 5.7 46 5.3 6.0 88 MIDDLE POWDER 7760 6.1 6.8 90 6.4 8.0 80 OWL CREEK 8975 3.6 3.2 112 3.5 3.5 100 POWDER RIVER PASS 9480 9.0 6.9 130 10.1 7.8 129 SHELL CREEK 9580 12.1 9.4 129 11.8 8.8 134 SYLVAN LAKE 8420 12.1 14.2 85 14.4 13.9 104 SYLVAN ROAD 7120 9.6 8.3 116 12.6 12.7 99 TIMBER CREEK 7950 2.6 3.5 74 6.0 4.3 140 YOUNTS PEAK 8350 13.2 11.3 117 11.9 10.8 110 ----- ----- Basin wide percent of average 107 111 SHOSHONE RIVER BLACKWATER 9780 15.8 15.6 101 14.4 13.4 107 EVENING STAR 9200 19.5 18.6 105 20.3 16.7 122 KIRWIN 9550 8.6 7.4 116 9.6 7.3 132 MARQUETTE 8760 2.6 5.7 46 5.3 6.0 88 SYLVAN LAKE 8420 12.1 14.2 85 14.4 13.9 104 SYLVAN ROAD 7120 9.6 8.3 116 12.6 12.7 99 YOUNTS PEAK 8350 13.2 11.3 117 11.9 10.8 110 ----- ----- Basin wide percent of average 100 110 POWDER-TONGUE BEAR TRAP MEADOW 8200 5.6 3.3 170 6.4 5.3 121 BIG GOOSE 7990 5.3 5.6 95 7.5 5.2 144 BONE SPRINGS DIV 9350 13.4 10.1 133 10.5 9.1 115 BURGESS JUNCTION 7880 8.1 7.0 116 8.8 7.5 117 CLOUD PEAK RESERVOIR 9860 11.4 7.5 152 11.0 7.8 141 DOME LAKE 8880 8.2 7.6 108 10.2 8.3 123 GRAVE SPRINGS 8550 4.9 5.3 92 6.1 6.2 98 HANSEN SAWMILL 8360 4.1 4.0 102 6.6 5.1 129 MIDDLE POWDER 7760 6.1 6.8 90 6.4 8.0 80 POWDER RIVER PASS 9480 9.0 6.9 130 10.1 7.8 129 SUCKER CREEK 8880 9.8 6.7 146 11.6 8.3 140 TIE CREEK 6870 3.0 3.7 81 9.1 6.4 142 ----- ----- Basin wide percent of average 119 123 BELLE FOURCHE BLIND PARK 6890 6.4 5.0 128 10.8 7.5 144 COLE CANYON 5910 3.8 4.2 90 9.0 4.5 200 NORTH RAPID CREEK 6130 6.4 4.6 139 9.0 6.1 148 ----- ----- Basin wide percent of average 120 159 UPPER N. PLATTE RIVER COLUMBINE 9160 16.0 15.0 107 15.1 15.6 97 DIVIDE PEAK 8880 12.3 12.2 101 14.1 13.0 108 ELK RIVER 8700 14.0 11.1 126 13.7 11.9 115 JOE WRIGHT 10120 14.7 13.0 113 18.0 15.3 118 NORTH FRENCH CREEK 10130 19.1 17.4 110 18.5 15.5 119 OLD BATTLE 10000 18.5 18.7 99 22.5 21.1 107 SAGE CREEK BASIN 7850 6.1 7.1 86 7.8 7.5 104 SOUTH BRUSH CREEK 8440 8.6 6.9 125 10.4 10.2 102 TOWER 10500 25.1 28.0 90 25.3 23.9 106 WEBBER SPRINGS 9250 14.0 15.0 93 16.9 17.1 99 WILLOW CREEK PASS 9540 7.9 7.1 111 7.6 7.9 96 ----- ----- Basin wide percent of average 103 107 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 12.8 14.4 89 11.9 13.5 88 CASPER MTN. 7900 5.2 8.5 61 7.8 8.5 92 DEADMAN HILL 10220 9.8 9.9 99 10.3 10.0 103 DEER PARK 9700 6.4 11.4 56 9.9 13.7 72 LAPRELE CREEK 8375 4.8 6.9 70 5.7 7.8 73 RENO HILL 8400 6.4 8.0 80 7.6 8.9 85 ROACH 9700 9.9 10.2 97 11.4 11.0 104 SAND LAKE 10050 16.1 18.8 86 14.9 15.1 99 SOUTH PASS 9040 6.9 10.7 64 8.6 11.5 75 WINDY PEAK 7900 4.4 4.2 105 5.0 6.7 75 ----- ----- Basin wide percent of average 80 87 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 8.1 7.1 114 10.5 9.3 113 DIVIDE PEAK 8880 12.3 12.2 101 14.1 13.0 108 OLD BATTLE 10000 18.5 18.7 99 22.5 21.1 107 SANDSTONE RS 8150 9.0 8.8 102 11.6 11.8 98 WHISKEY PARK 8950 17.6 16.9 104 19.5 18.3 107 ----- ----- Basin wide percent of average 103 106 UPPER GREEN RIVER BIG SANDY OPENING 9080 7.7 8.9 87 7.8 8.5 92 BLIND BULL SUM 8650 16.4 17.3 95 13.7 14.5 94 EAST RIM DIVIDE 7930 5.9 7.9 75 8.7 7.6 114 ELKHART PARK G.S. 9400 8.6 8.2 105 9.8 8.5 115 GROS VENTRE SUMMIT 8750 8.8 9.0 98 10.1 8.2 123 GUNSIGHT PASS 9820 9.2 -M * 10.2 -M * KENDALL R.S. 7740 7.6 9.2 83 9.9 9.2 108 LOOMIS PARK 8240 11.0 10.5 105 13.3 11.1 120 NEW FORK LAKE 8340 8.1 7.2 112 7.8 7.5 104 SNIDER BASIN 8060 9.2 9.1 101 10.0 10.5 95 SPRING CREEK DIVIDE 9000 16.8 16.3 103 17.5 17.3 101 TRIPLE PEAK 8500 16.3 15.6 104 18.1 15.2 119 ----- ----- Basin wide percent of average 98 107 LOWER GREEN RIVER HAMS FORK 7840 6.0 7.7 78 6.8 7.9 86 HEWINTA 9519 4.6 6.1 75 7.5 8.8 85 HICKERSON PARK 9145 1.7 4.1 41 4.3 5.0 86 HOLE-IN-ROCK 9150 2.1 3.8 55 4.2 4.6 91 INDIAN CREEK 9425 13.5 16.5 82 13.1 15.9 82 KELLEY R.S. 8180 8.5 9.9 86 10.3 13.1 79 STEEL CREEK PARK 10200 5.9 8.7 68 9.1 9.5 96 ----- ----- Basin wide percent of average 74 85 UPPER BEAR RIVER BUG LAKE 7950 7.5 12.1 62 10.5 12.2 86 HAYDEN FORK 9212 9.8 9.0 109 12.5 12.8 98 KELLEY R.S. 8180 8.5 9.9 86 10.3 13.1 79 LILY LAKE 9156 7.8 7.5 104 9.6 10.8 89 MONTE CRISTO 8960 14.2 16.6 86 15.2 15.7 97 SALT RIVER SUMMIT 7760 8.1 8.4 96 9.8 11.9 82 TRIAL LAKE 9992 13.2 14.5 91 13.0 14.9 87 ----- ----- Basin wide percent of average 89 89 ----------------------------------------------------------------------------- -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 1961-90. 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.