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 FRIDAY: FEBRUARY 8 , 2008 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 13.7 13.6 101 20.2 15.8 128 COTTONWOOD CREEK 7670 16.1 15.1 107 18.4 19.7 93 GRAND TARGHEE 9260 35.3 -M * 24.3 -M * GRANITE CREEK 6770 12.7 13.3 95 18.2 14.6 125 GRASSY LAKE 7265 22.4 24.6 91 30.1 26.5 114 GROS VENTRE SUMMIT 8750 10.1 9.9 102 11.3 9.1 124 GUNSIGHT PASS 9820 9.7 -M * 10.9 -M * LEWIS LAKE DIVIDE 7850 23.5 24.8 95 28.1 26.4 106 PHILLIPS BENCH 8200 22.6 19.8 114 25.2 20.7 122 SALT RIVER SUMMIT 7760 9.2 10.0 92 11.4 13.4 85 SNAKE RIVER STATION 6920 12.2 13.6 90 20.4 16.5 124 SPRING CREEK DIVIDE 9000 15.7 18.5 85 16.0 19.3 83 THUMB DIVIDE 7980 12.1 12.6 96 14.8 13.5 110 TOGWOTEE PASS 9580 19.7 17.9 110 21.5 17.7 121 TWO OCEAN PLATEAU 9240 26.7 20.1 133 21.8 19.6 111 WILLOW CREEK 8380 20.7 21.5 96 26.2 23.0 114 ----- ----- Basin wide percent of average 101 111 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9360 18.2 16.9 108 17.2 14.7 117 BLACK BEAR 8170 34.6 27.0 128 32.1 27.8 115 CANYON 7870 12.5 9.4 133 15.7 11.3 139 FISHER CREEK 9100 30.8 24.9 124 -M 26.0 * MADISON PLATEAU 7750 22.2 17.1 130 25.2 18.6 135 NORTHEAST ENTRANCE 7350 6.1 8.1 75 9.8 9.4 104 PARKER PEAK 9400 18.1 15.4 118 -M 11.7 * SYLVAN LAKE 8420 15.2 15.7 97 19.5 15.6 125 THUMB DIVIDE 7980 12.1 12.6 96 14.8 13.5 110 TWO OCEAN PLATEAU 9240 26.7 20.1 133 21.8 19.6 111 WHISKEY CREEK 6800 14.2 11.7 121 19.5 14.6 134 WHITE MILL 8700 19.0 16.9 112 -M 19.3 * WOLVERINE 7650 6.7 9.0 74 9.5 9.6 99 ----- ----- Basin wide percent of average 115 120 WIND RIVER BURROUGHS CREEK 8750 11.9 10.6 112 14.7 11.9 124 COLD SPRINGS 9630 4.6 6.2 74 7.6 7.4 103 DEER PARK 9700 10.3 12.2 84 14.5 15.4 94 HOBBS PARK 10100 9.0 10.2 88 9.5 8.6 110 LITTLE WARM 9370 7.2 8.1 89 10.3 9.5 108 SOUTH PASS 9040 9.1 11.8 77 12.0 13.0 92 ST. LAWRENCE ALT 8620 3.9 4.9 80 5.8 6.0 97 TOGWOTEE PASS 9580 19.7 17.9 110 21.5 17.7 121 TOWNSEND CREEK 8700 4.9 5.8 84 8.0 7.7 104 ----- ----- Basin wide percent of average 92 107 BIGHORN BASIN BALD MTN. 9380 11.1 13.9 80 11.2 12.3 91 BEAR TRAP MEADOW 8200 5.8 3.7 157 6.4 5.7 112 BLACKWATER 9780 18.1 17.2 105 17.0 14.9 114 BONE SPRINGS DIV 9350 10.9 11.0 99 12.8 10.1 127 EVENING STAR 9200 20.6 20.8 99 22.8 18.6 123 GRAVE SPRINGS 8550 5.7 6.1 93 6.9 6.6 105 KIRWIN 9550 9.1 7.9 115 10.8 8.0 135 MARQUETTE 8760 2.3 6.1 38 6.5 6.5 100 MIDDLE POWDER 7760 6.4 7.7 83 6.0 8.6 70 OWL CREEK 8975 3.7 3.5 106 5.2 3.9 133 POWDER RIVER PASS 9480 8.1 7.5 108 10.0 8.7 115 SHELL CREEK 9580 11.1 10.3 108 11.1 9.7 114 SYLVAN LAKE 8420 15.2 15.7 97 19.5 15.6 125 SYLVAN ROAD 7120 7.9 9.4 84 16.4 13.9 118 TIMBER CREEK 7950 2.1 3.7 57 5.7 4.7 121 YOUNTS PEAK 8350 12.6 12.4 102 -M 11.9 * ----- ----- Basin wide percent of average 96 114 SHOSHONE RIVER BLACKWATER 9780 18.1 17.2 105 17.0 14.9 114 EVENING STAR 9200 20.6 20.8 99 22.8 18.6 123 KIRWIN 9550 9.1 7.9 115 10.8 8.0 135 MARQUETTE 8760 2.3 6.1 38 6.5 6.5 100 SYLVAN LAKE 8420 15.2 15.7 97 19.5 15.6 125 SYLVAN ROAD 7120 7.9 9.4 84 16.4 13.9 118 YOUNTS PEAK 8350 12.6 12.4 102 -M 11.9 * ----- ----- Basin wide percent of average 96 120 POWDER-TONGUE BEAR TRAP MEADOW 8200 5.8 3.7 157 6.4 5.7 112 BIG GOOSE 7990 5.4 6.4 84 8.3 6.0 138 BONE SPRINGS DIV 9350 10.9 11.0 99 12.8 10.1 127 BURGESS JUNCTION 7880 7.4 7.7 96 9.2 8.3 111 CLOUD PEAK RESERVOIR 9860 9.8 8.4 117 10.5 8.6 122 DOME LAKE 8880 6.9 8.3 83 10.1 9.1 111 GRAVE SPRINGS 8550 5.7 6.1 93 6.9 6.6 105 HANSEN SAWMILL 8360 4.5 4.4 102 6.7 5.5 122 MIDDLE POWDER 7760 6.4 7.7 83 6.0 8.6 70 POWDER RIVER PASS 9480 8.1 7.5 108 10.0 8.7 115 SUCKER CREEK 8880 8.7 7.6 114 10.6 9.2 115 TIE CREEK 6870 4.0 4.2 95 7.9 7.0 113 ----- ----- Basin wide percent of average 101 113 BELLE FOURCHE BLIND PARK 6890 4.0 5.6 71 6.5 8.1 80 COLE CANYON 5910 3.6 4.8 75 4.8 4.9 98 NORTH RAPID CREEK 6130 4.8 5.4 89 5.1 6.6 77 ----- ----- Basin wide percent of average 78 84 UPPER N. PLATTE RIVER COLUMBINE 9160 17.9 17.9 100 20.5 17.6 116 DIVIDE PEAK 8880 17.2 13.6 126 17.6 14.4 122 ELK RIVER 8700 17.7 13.2 134 17.5 13.5 130 JOE WRIGHT 10120 16.6 14.7 113 18.9 17.1 111 NORTH FRENCH CREEK 10130 21.7 19.4 112 21.5 17.2 125 OLD BATTLE 10000 24.1 21.5 112 28.5 23.8 120 SAGE CREEK BASIN 7850 13.1 7.9 166 14.7 8.4 175 SOUTH BRUSH CREEK 8440 8.7 8.0 109 12.2 11.5 106 TOWER 10500 30.5 32.0 95 29.2 26.9 109 WEBBER SPRINGS 9250 18.5 17.2 108 21.9 19.0 115 WILLOW CREEK PASS 9540 11.6 8.0 145 11.7 8.8 133 ----- ----- Basin wide percent of average 114 120 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 14.7 16.2 91 15.4 15.0 103 CASPER MTN. 7900 7.5 9.6 78 9.7 9.4 103 DEADMAN HILL 10220 11.9 11.2 106 12.1 11.2 108 DEER PARK 9700 10.3 12.2 84 14.5 15.4 94 LAPRELE CREEK 8375 -M 7.6 * -M 8.6 * RENO HILL 8400 7.8 8.8 89 9.6 9.8 98 ROACH 9700 13.9 11.7 119 16.4 12.3 133 SAND LAKE 10050 19.1 21.1 91 19.2 16.7 115 SOUTH PASS 9040 9.1 11.8 77 12.0 13.0 92 WINDY PEAK 7900 5.1 4.9 104 6.7 7.3 92 ----- ----- Basin wide percent of average 92 105 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 12.1 8.3 146 13.3 10.4 128 DIVIDE PEAK 8880 17.2 13.6 126 17.6 14.4 122 OLD BATTLE 10000 24.1 21.5 112 28.5 23.8 120 SANDSTONE RS 8150 13.4 10.4 129 16.6 13.3 125 WHISKEY PARK 8950 22.4 19.9 113 25.0 20.4 123 ----- ----- Basin wide percent of average 121 123 UPPER GREEN RIVER BIG SANDY OPENING 9080 9.8 10.1 97 10.1 9.6 105 BLIND BULL SUM 8650 17.1 19.5 88 13.9 16.3 85 EAST RIM DIVIDE 7930 6.3 9.1 69 8.5 8.6 99 ELKHART PARK G.S. 9400 8.4 9.3 90 9.2 9.3 99 GROS VENTRE SUMMIT 8750 10.1 9.9 102 11.3 9.1 124 GUNSIGHT PASS 9820 9.7 -M * 10.9 -M * KENDALL R.S. 7740 8.4 10.4 81 10.3 10.4 99 LOOMIS PARK 8240 11.5 12.0 96 13.1 12.5 105 NEW FORK LAKE 8340 6.8 8.1 84 7.1 8.3 86 SNIDER BASIN 8060 8.9 10.4 86 10.1 11.7 86 SPRING CREEK DIVIDE 9000 15.7 18.5 85 16.0 19.3 83 TRIPLE PEAK 8500 16.2 17.6 92 19.3 17.2 112 ----- ----- Basin wide percent of average 88 97 LOWER GREEN RIVER HAMS FORK 7840 8.5 9.0 94 7.5 8.9 84 HEWINTA 9519 8.2 7.3 112 12.8 9.8 131 HICKERSON PARK 9145 4.2 4.8 88 6.9 5.4 128 HOLE-IN-ROCK 9150 3.7 4.5 82 7.0 5.0 140 INDIAN CREEK 9425 16.3 18.7 87 13.2 17.8 74 KELLEY R.S. 8180 -M 11.4 * -M 14.6 * STEEL CREEK PARK 10200 10.1 10.1 100 13.8 10.8 128 ----- ----- Basin wide percent of average 94 106 UPPER BEAR RIVER BUG LAKE 7950 12.8 14.2 90 12.6 13.7 92 HAYDEN FORK 9212 14.0 10.6 132 17.1 14.4 119 KELLEY R.S. 8180 -M 11.4 * -M 14.6 * LILY LAKE 9156 10.6 8.8 120 13.0 12.1 107 MONTE CRISTO 8960 20.8 19.8 105 19.6 17.7 111 SALT RIVER SUMMIT 7760 9.2 10.0 92 11.4 13.4 85 TRIAL LAKE 9992 15.1 16.8 90 18.1 16.9 107 ----- ----- Basin wide percent of average 103 104 ----------------------------------------------------------------------------- -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.