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 SATURDAY: FEBRUARY 9 , 2008 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 13.9 13.7 101 20.5 15.9 129 COTTONWOOD CREEK 7670 16.6 15.3 108 18.8 19.8 95 GRAND TARGHEE 9260 35.5 -M * 24.4 -M * GRANITE CREEK 6770 13.0 13.4 97 18.4 14.8 124 GRASSY LAKE 7265 22.7 24.9 91 30.4 26.7 114 GROS VENTRE SUMMIT 8750 10.3 10.0 103 11.4 9.2 124 GUNSIGHT PASS 9820 9.7 -M * 11.0 -M * LEWIS LAKE DIVIDE 7850 23.8 25.0 95 28.4 26.6 107 PHILLIPS BENCH 8200 22.9 20.0 114 25.5 20.9 122 SALT RIVER SUMMIT 7760 9.7 10.1 96 11.8 13.5 87 SNAKE RIVER STATION 6920 12.5 13.8 91 20.6 16.7 123 SPRING CREEK DIVIDE 9000 16.4 18.7 88 16.6 19.4 86 THUMB DIVIDE 7980 12.2 12.7 96 14.9 13.6 110 TOGWOTEE PASS 9580 20.1 18.0 112 21.9 17.9 122 TWO OCEAN PLATEAU 9240 26.9 20.2 133 21.9 19.8 111 WILLOW CREEK 8380 21.5 21.7 99 26.8 23.2 116 ----- ----- Basin wide percent of average 102 112 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9360 18.4 17.1 108 17.5 14.8 118 BLACK BEAR 8170 34.9 27.2 128 32.2 28.0 115 CANYON 7870 12.6 9.5 133 15.8 11.4 139 FISHER CREEK 9100 31.3 25.1 125 -M 26.2 * MADISON PLATEAU 7750 22.4 17.2 130 25.3 18.7 135 NORTHEAST ENTRANCE 7350 6.3 8.2 77 9.9 9.4 105 PARKER PEAK 9400 18.3 15.5 118 -M 11.8 * SYLVAN LAKE 8420 15.3 15.9 96 19.5 15.7 124 THUMB DIVIDE 7980 12.2 12.7 96 14.9 13.6 110 TWO OCEAN PLATEAU 9240 26.9 20.2 133 21.9 19.8 111 WHISKEY CREEK 6800 14.3 11.9 120 19.7 14.7 134 WHITE MILL 8700 19.3 17.0 114 -M 19.5 * WOLVERINE 7650 7.0 9.1 77 9.6 9.7 99 ----- ----- Basin wide percent of average 116 120 WIND RIVER BURROUGHS CREEK 8750 12.0 10.6 113 14.8 11.9 124 COLD SPRINGS 9630 4.8 6.2 77 7.7 7.4 104 DEER PARK 9700 10.1 12.3 82 14.5 15.6 93 HOBBS PARK 10100 9.0 10.2 88 9.7 8.6 113 LITTLE WARM 9370 7.3 8.1 90 10.5 9.6 109 SOUTH PASS 9040 9.2 11.9 77 12.0 13.1 92 ST. LAWRENCE ALT 8620 4.1 5.0 82 5.8 6.1 95 TOGWOTEE PASS 9580 20.1 18.0 112 21.9 17.9 122 TOWNSEND CREEK 8700 4.9 5.9 83 8.0 7.7 104 ----- ----- Basin wide percent of average 92 107 BIGHORN BASIN BALD MTN. 9380 11.2 14.0 80 11.2 12.4 90 BEAR TRAP MEADOW 8200 5.8 3.7 157 6.4 5.8 110 BLACKWATER 9780 18.3 17.4 105 17.2 15.0 115 BONE SPRINGS DIV 9350 11.2 11.1 101 13.0 10.1 129 EVENING STAR 9200 21.0 21.0 100 22.9 18.7 122 GRAVE SPRINGS 8550 5.7 6.1 93 7.0 6.7 104 KIRWIN 9550 9.2 8.0 115 10.8 8.0 135 MARQUETTE 8760 2.6 6.1 43 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 8.3 7.5 111 10.2 8.8 116 SHELL CREEK 9580 11.3 10.3 110 11.2 9.8 114 SYLVAN LAKE 8420 15.3 15.9 96 19.5 15.7 124 SYLVAN ROAD 7120 8.0 9.5 84 16.5 14.0 118 TIMBER CREEK 7950 2.1 3.7 57 5.7 4.7 121 YOUNTS PEAK 8350 12.9 12.6 102 -M 12.0 * ----- ----- Basin wide percent of average 97 114 SHOSHONE RIVER BLACKWATER 9780 18.3 17.4 105 17.2 15.0 115 EVENING STAR 9200 21.0 21.0 100 22.9 18.7 122 KIRWIN 9550 9.2 8.0 115 10.8 8.0 135 MARQUETTE 8760 2.6 6.1 43 6.5 6.5 100 SYLVAN LAKE 8420 15.3 15.9 96 19.5 15.7 124 SYLVAN ROAD 7120 8.0 9.5 84 16.5 14.0 118 YOUNTS PEAK 8350 12.9 12.6 102 -M 12.0 * ----- ----- Basin wide percent of average 96 120 POWDER-TONGUE BEAR TRAP MEADOW 8200 5.8 3.7 157 6.4 5.8 110 BIG GOOSE 7990 5.4 6.4 84 8.3 6.0 138 BONE SPRINGS DIV 9350 11.2 11.1 101 13.0 10.1 129 BURGESS JUNCTION 7880 7.4 7.7 96 9.2 8.3 111 CLOUD PEAK RESERVOIR 9860 9.8 8.5 115 10.5 8.6 122 DOME LAKE 8880 7.0 8.4 83 10.3 9.1 113 GRAVE SPRINGS 8550 5.7 6.1 93 7.0 6.7 104 HANSEN SAWMILL 8360 4.6 4.4 105 6.7 5.6 120 MIDDLE POWDER 7760 6.4 7.7 83 6.0 8.6 70 POWDER RIVER PASS 9480 8.3 7.5 111 10.2 8.8 116 SUCKER CREEK 8880 8.7 7.7 113 10.6 9.2 115 TIE CREEK 6870 4.0 4.2 95 8.0 7.1 113 ----- ----- Basin wide percent of average 101 113 BELLE FOURCHE BLIND PARK 6890 4.1 5.7 72 6.5 8.2 79 COLE CANYON 5910 3.7 4.8 77 4.8 4.9 98 NORTH RAPID CREEK 6130 4.7 5.5 85 5.1 6.6 77 ----- ----- Basin wide percent of average 78 83 UPPER N. PLATTE RIVER COLUMBINE 9160 18.7 18.1 103 20.9 17.8 117 DIVIDE PEAK 8880 17.5 13.7 128 17.8 14.6 122 ELK RIVER 8700 18.0 13.4 134 17.8 13.6 131 JOE WRIGHT 10120 16.6 14.9 111 19.2 17.2 112 NORTH FRENCH CREEK 10130 21.8 19.5 112 21.5 17.4 124 OLD BATTLE 10000 24.5 21.7 113 28.8 24.0 120 SAGE CREEK BASIN 7850 13.4 7.9 170 14.9 8.4 177 SOUTH BRUSH CREEK 8440 8.7 8.0 109 12.3 11.6 106 TOWER 10500 31.7 32.3 98 29.8 27.2 110 WEBBER SPRINGS 9250 18.8 17.4 108 22.2 19.1 116 WILLOW CREEK PASS 9540 11.7 8.1 144 11.9 8.9 134 ----- ----- Basin wide percent of average 115 121 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 14.9 16.4 91 15.6 15.1 103 CASPER MTN. 7900 7.4 9.6 77 9.8 9.5 103 DEADMAN HILL 10220 12.0 11.2 107 12.3 11.3 109 DEER PARK 9700 10.1 12.3 82 14.5 15.6 93 LAPRELE CREEK 8375 -M 7.7 * -M 8.6 * RENO HILL 8400 7.7 8.9 87 9.5 9.9 96 ROACH 9700 14.0 11.9 118 16.5 12.4 133 SAND LAKE 10050 19.3 21.2 91 19.4 16.8 115 SOUTH PASS 9040 9.2 11.9 77 12.0 13.1 92 WINDY PEAK 7900 5.1 5.0 102 6.7 7.3 92 ----- ----- Basin wide percent of average 92 105 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 12.2 8.4 145 13.5 10.5 129 DIVIDE PEAK 8880 17.5 13.7 128 17.8 14.6 122 OLD BATTLE 10000 24.5 21.7 113 28.8 24.0 120 SANDSTONE RS 8150 13.6 10.5 130 16.9 13.4 126 WHISKEY PARK 8950 23.1 20.1 115 25.5 20.5 124 ----- ----- Basin wide percent of average 122 123 UPPER GREEN RIVER BIG SANDY OPENING 9080 9.9 10.2 97 10.2 9.6 106 BLIND BULL SUM 8650 17.7 19.6 90 14.1 16.4 86 EAST RIM DIVIDE 7930 6.5 9.2 71 8.7 8.6 101 ELKHART PARK G.S. 9400 8.6 9.4 91 9.4 9.4 100 GROS VENTRE SUMMIT 8750 10.3 10.0 103 11.4 9.2 124 GUNSIGHT PASS 9820 9.7 -M * 11.0 -M * KENDALL R.S. 7740 8.7 10.5 83 10.5 10.5 100 LOOMIS PARK 8240 11.8 12.1 98 13.4 12.6 106 NEW FORK LAKE 8340 7.1 8.2 87 7.4 8.3 89 SNIDER BASIN 8060 9.2 10.5 88 10.3 11.8 87 SPRING CREEK DIVIDE 9000 16.4 18.7 88 16.6 19.4 86 TRIPLE PEAK 8500 16.7 17.8 94 19.9 17.3 115 ----- ----- Basin wide percent of average 90 99 LOWER GREEN RIVER HAMS FORK 7840 8.7 9.1 96 7.7 8.9 87 HEWINTA 9519 8.3 7.3 114 12.9 9.9 130 HICKERSON PARK 9145 4.2 4.8 88 6.9 5.5 125 HOLE-IN-ROCK 9150 3.8 4.6 83 7.0 5.0 140 INDIAN CREEK 9425 16.7 18.8 89 13.2 17.9 74 KELLEY R.S. 8180 -M 11.5 * -M 14.8 * STEEL CREEK PARK 10200 10.2 10.3 99 13.9 10.9 128 ----- ----- Basin wide percent of average 95 106 UPPER BEAR RIVER BUG LAKE 7950 12.9 14.3 90 12.7 13.8 92 HAYDEN FORK 9212 14.0 10.7 131 17.9 14.5 123 KELLEY R.S. 8180 -M 11.5 * -M 14.8 * LILY LAKE 9156 10.7 8.9 120 13.3 12.2 109 MONTE CRISTO 8960 21.2 20.0 106 19.8 17.9 111 SALT RIVER SUMMIT 7760 9.7 10.1 96 11.8 13.5 87 TRIAL LAKE 9992 15.3 17.0 90 18.7 17.0 110 ----- ----- Basin wide percent of average 103 106 ----------------------------------------------------------------------------- -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.