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 11 , 2008 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 14.2 13.9 102 20.8 16.1 129 COTTONWOOD CREEK 7670 17.7 15.5 114 19.9 20.1 99 GRAND TARGHEE 9260 36.2 -M * 25.0 -M * GRANITE CREEK 6770 13.3 13.7 97 18.8 15.0 125 GRASSY LAKE 7265 23.5 25.3 93 31.2 27.1 115 GROS VENTRE SUMMIT 8750 10.5 10.1 104 11.4 9.3 123 GUNSIGHT PASS 9820 9.9 -M * 11.2 -M * LEWIS LAKE DIVIDE 7850 24.6 25.5 96 29.2 27.1 108 PHILLIPS BENCH 8200 23.4 20.4 115 26.7 21.3 125 SALT RIVER SUMMIT 7760 10.2 10.4 98 12.3 13.7 90 SNAKE RIVER STATION 6920 12.9 14.0 92 21.0 16.9 124 SPRING CREEK DIVIDE 9000 17.0 19.0 89 17.5 19.7 89 THUMB DIVIDE 7980 12.5 13.0 96 15.2 13.8 110 TOGWOTEE PASS 9580 20.6 18.3 113 22.4 18.1 124 TWO OCEAN PLATEAU 9240 27.5 20.5 134 22.1 20.1 110 WILLOW CREEK 8380 22.7 22.0 103 28.2 23.5 120 ----- ----- Basin wide percent of average 104 113 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9360 19.4 17.5 111 18.2 15.0 121 BLACK BEAR 8170 35.5 27.8 128 32.6 28.5 114 CANYON 7870 13.0 9.7 134 16.3 11.5 142 FISHER CREEK 9100 32.7 25.6 128 -M 26.6 * MADISON PLATEAU 7750 22.8 17.6 130 25.6 19.1 134 NORTHEAST ENTRANCE 7350 6.9 8.4 82 10.3 9.6 107 PARKER PEAK 9400 19.1 15.8 121 -M 12.0 * SYLVAN LAKE 8420 15.6 16.1 97 19.6 15.9 123 THUMB DIVIDE 7980 12.5 13.0 96 15.2 13.8 110 TWO OCEAN PLATEAU 9240 27.5 20.5 134 22.1 20.1 110 WHISKEY CREEK 6800 14.5 12.1 120 19.9 14.9 134 WHITE MILL 8700 20.3 17.3 117 -M 19.8 * WOLVERINE 7650 7.8 9.3 84 10.2 9.9 103 ----- ----- Basin wide percent of average 118 120 WIND RIVER BURROUGHS CREEK 8750 12.3 10.8 114 15.1 12.1 125 COLD SPRINGS 9630 4.9 6.3 78 7.8 7.5 104 DEER PARK 9700 10.1 13.1 77 14.5 15.8 92 HOBBS PARK 10100 9.0 10.3 87 9.8 8.8 111 LITTLE WARM 9370 7.4 8.3 89 10.6 9.7 109 SOUTH PASS 9040 9.3 12.0 78 11.9 13.3 89 ST. LAWRENCE ALT 8620 4.2 5.1 82 5.9 6.2 95 TOGWOTEE PASS 9580 20.6 18.3 113 22.4 18.1 124 TOWNSEND CREEK 8700 5.1 6.0 85 7.9 7.8 101 ----- ----- Basin wide percent of average 92 107 BIGHORN BASIN BALD MTN. 9380 11.2 14.2 79 11.5 12.6 91 BEAR TRAP MEADOW 8200 5.9 3.8 155 6.5 5.8 112 BLACKWATER 9780 19.0 17.6 108 17.8 15.2 117 BONE SPRINGS DIV 9350 11.4 11.3 101 13.2 10.3 128 EVENING STAR 9200 22.5 21.5 105 23.4 19.0 123 GRAVE SPRINGS 8550 5.8 6.3 92 6.9 6.8 101 KIRWIN 9550 9.3 8.1 115 11.2 8.1 138 MARQUETTE 8760 2.8 6.2 45 6.7 6.6 102 MIDDLE POWDER 7760 6.5 7.9 82 6.0 8.7 69 OWL CREEK 8975 3.8 3.6 106 5.1 3.9 131 POWDER RIVER PASS 9480 8.5 7.7 110 10.4 8.9 117 SHELL CREEK 9580 11.6 10.5 110 11.5 9.9 116 SYLVAN LAKE 8420 15.6 16.1 97 19.6 15.9 123 SYLVAN ROAD 7120 8.4 9.6 88 16.9 14.2 119 TIMBER CREEK 7950 2.2 3.9 56 5.5 4.8 115 YOUNTS PEAK 8350 13.4 12.8 105 -M 12.1 * ----- ----- Basin wide percent of average 98 114 SHOSHONE RIVER BLACKWATER 9780 19.0 17.6 108 17.8 15.2 117 EVENING STAR 9200 22.5 21.5 105 23.4 19.0 123 KIRWIN 9550 9.3 8.1 115 11.2 8.1 138 MARQUETTE 8760 2.8 6.2 45 6.7 6.6 102 SYLVAN LAKE 8420 15.6 16.1 97 19.6 15.9 123 SYLVAN ROAD 7120 8.4 9.6 88 16.9 14.2 119 YOUNTS PEAK 8350 13.4 12.8 105 -M 12.1 * ----- ----- Basin wide percent of average 99 121 POWDER-TONGUE BEAR TRAP MEADOW 8200 5.9 3.8 155 6.5 5.8 112 BIG GOOSE 7990 5.5 6.5 85 8.5 6.1 139 BONE SPRINGS DIV 9350 11.4 11.3 101 13.2 10.3 128 BURGESS JUNCTION 7880 7.5 7.9 95 9.2 8.4 110 CLOUD PEAK RESERVOIR 9860 10.2 8.6 119 10.7 8.7 123 DOME LAKE 8880 7.2 8.6 84 10.4 9.2 113 GRAVE SPRINGS 8550 5.8 6.3 92 6.9 6.8 101 HANSEN SAWMILL 8360 4.6 4.5 102 6.9 5.6 123 MIDDLE POWDER 7760 6.5 7.9 82 6.0 8.7 69 POWDER RIVER PASS 9480 8.5 7.7 110 10.4 8.9 117 SUCKER CREEK 8880 8.8 7.8 113 10.8 9.4 115 TIE CREEK 6870 4.1 4.3 95 8.0 7.1 113 ----- ----- Basin wide percent of average 101 113 BELLE FOURCHE BLIND PARK 6890 4.4 5.7 77 6.9 8.3 83 COLE CANYON 5910 4.0 4.9 82 5.1 5.0 102 NORTH RAPID CREEK 6130 5.4 5.6 96 5.5 6.7 82 ----- ----- Basin wide percent of average 85 88 UPPER N. PLATTE RIVER COLUMBINE 9160 19.2 18.5 104 21.3 18.0 118 DIVIDE PEAK 8880 17.7 13.8 128 18.0 14.8 122 ELK RIVER 8700 18.3 13.7 134 18.2 13.8 132 JOE WRIGHT 10120 16.8 15.1 111 20.0 17.5 114 NORTH FRENCH CREEK 10130 22.0 19.8 111 21.8 17.6 124 OLD BATTLE 10000 24.7 22.1 112 29.5 24.4 121 SAGE CREEK BASIN 7850 13.6 8.0 170 15.1 8.6 176 SOUTH BRUSH CREEK 8440 8.7 8.2 106 12.5 11.7 107 TOWER 10500 32.3 32.8 98 30.2 27.6 109 WEBBER SPRINGS 9250 19.1 17.7 108 22.4 19.4 115 WILLOW CREEK PASS 9540 11.8 8.2 144 12.0 9.0 133 ----- ----- Basin wide percent of average 115 121 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 15.4 16.6 93 16.0 15.3 105 CASPER MTN. 7900 7.6 9.8 78 9.9 9.6 103 DEADMAN HILL 10220 12.2 11.4 107 12.5 11.5 109 DEER PARK 9700 10.1 13.1 77 14.5 15.8 92 LAPRELE CREEK 8375 -M 7.8 * -M 8.7 * RENO HILL 8400 7.8 9.0 87 9.8 10.0 98 ROACH 9700 14.1 12.1 117 16.6 12.6 132 SAND LAKE 10050 19.6 21.6 91 19.7 17.0 116 SOUTH PASS 9040 9.3 12.0 78 11.9 13.3 89 WINDY PEAK 7900 5.1 5.1 100 6.8 7.4 92 ----- ----- Basin wide percent of average 91 105 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 12.2 8.5 144 13.5 10.7 126 DIVIDE PEAK 8880 17.7 13.8 128 18.0 14.8 122 OLD BATTLE 10000 24.7 22.1 112 29.5 24.4 121 SANDSTONE RS 8150 13.8 10.7 129 17.1 13.6 126 WHISKEY PARK 8950 23.6 20.4 116 26.7 20.8 128 ----- ----- Basin wide percent of average 122 124 UPPER GREEN RIVER BIG SANDY OPENING 9080 10.0 10.4 96 10.3 9.8 105 BLIND BULL SUM 8650 18.3 20.0 92 14.4 16.6 87 EAST RIM DIVIDE 7930 6.9 9.4 73 9.1 8.8 103 ELKHART PARK G.S. 9400 8.9 9.6 93 9.8 9.5 103 GROS VENTRE SUMMIT 8750 10.5 10.1 104 11.4 9.3 123 GUNSIGHT PASS 9820 9.9 -M * 11.2 -M * KENDALL R.S. 7740 9.2 10.7 86 10.9 10.7 102 LOOMIS PARK 8240 12.2 12.3 99 13.8 12.8 108 NEW FORK LAKE 8340 7.5 8.3 90 7.9 8.4 94 SNIDER BASIN 8060 9.6 10.7 90 10.8 12.0 90 SPRING CREEK DIVIDE 9000 17.0 19.0 89 17.5 19.7 89 TRIPLE PEAK 8500 17.3 18.1 96 20.5 17.6 116 ----- ----- Basin wide percent of average 92 101 LOWER GREEN RIVER HAMS FORK 7840 8.9 9.2 97 7.8 9.1 86 HEWINTA 9519 8.3 7.5 111 13.0 10.0 130 HICKERSON PARK 9145 4.3 4.9 88 7.0 5.5 127 HOLE-IN-ROCK 9150 3.8 4.7 81 7.0 5.1 137 INDIAN CREEK 9425 17.1 19.1 90 13.4 18.2 74 KELLEY R.S. 8180 -M 11.8 * -M 15.0 * STEEL CREEK PARK 10200 10.3 10.5 98 14.0 11.1 126 ----- ----- Basin wide percent of average 94 105 UPPER BEAR RIVER BUG LAKE 7950 13.0 14.6 89 12.9 14.0 92 HAYDEN FORK 9212 14.0 10.9 128 18.0 14.7 122 KELLEY R.S. 8180 -M 11.8 * -M 15.0 * LILY LAKE 9156 10.8 9.1 119 13.7 12.4 110 MONTE CRISTO 8960 21.0 20.5 102 20.7 18.2 114 SALT RIVER SUMMIT 7760 10.2 10.4 98 12.3 13.7 90 TRIAL LAKE 9992 15.4 17.4 89 18.7 17.3 108 ----- ----- Basin wide percent of average 102 107 ----------------------------------------------------------------------------- -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.