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 THURSDAY: FEBRUARY 7 , 2008 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 13.2 13.5 98 19.7 15.6 126 COTTONWOOD CREEK 7670 15.3 15.0 102 17.6 19.5 90 GRAND TARGHEE 9260 34.4 -M * 23.8 -M * GRANITE CREEK 6770 12.0 13.2 91 17.5 14.5 121 GRASSY LAKE 7265 21.6 24.4 89 29.4 26.3 112 GROS VENTRE SUMMIT 8750 9.5 9.9 96 10.8 9.0 120 GUNSIGHT PASS 9820 9.1 -M * 10.4 -M * LEWIS LAKE DIVIDE 7850 22.7 24.6 92 27.6 26.2 105 PHILLIPS BENCH 8200 21.5 19.7 109 24.4 20.6 118 SALT RIVER SUMMIT 7760 8.6 9.9 87 10.6 13.2 80 SNAKE RIVER STATION 6920 11.8 13.5 87 19.9 16.4 121 SPRING CREEK DIVIDE 9000 14.9 18.3 81 15.2 19.2 79 THUMB DIVIDE 7980 11.9 12.5 95 14.7 13.4 110 TOGWOTEE PASS 9580 19.0 17.7 107 20.8 17.6 118 TWO OCEAN PLATEAU 9240 26.2 19.9 132 21.6 19.4 111 WILLOW CREEK 8380 19.8 21.3 93 25.1 22.8 110 ----- ----- Basin wide percent of average 98 108 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9360 17.7 16.8 105 16.8 14.6 115 BLACK BEAR 8170 33.8 26.6 127 31.5 27.6 114 CANYON 7870 12.2 9.3 131 15.3 11.3 135 FISHER CREEK 9100 29.9 24.6 122 27.5 25.8 107 MADISON PLATEAU 7750 21.6 16.9 128 24.6 18.4 134 NORTHEAST ENTRANCE 7350 5.9 8.1 73 9.6 9.3 103 PARKER PEAK 9400 17.7 15.3 116 17.0 11.6 147 SYLVAN LAKE 8420 14.8 15.6 95 19.2 15.4 125 THUMB DIVIDE 7980 11.9 12.5 95 14.7 13.4 110 TWO OCEAN PLATEAU 9240 26.2 19.9 132 21.6 19.4 111 WHISKEY CREEK 6800 13.7 11.6 118 19.3 14.5 133 WHITE MILL 8700 18.5 16.7 111 19.3 19.2 101 WOLVERINE 7650 6.3 8.9 71 9.6 9.6 100 ----- ----- Basin wide percent of average 114 117 WIND RIVER BURROUGHS CREEK 8750 11.3 10.4 109 14.0 11.8 119 COLD SPRINGS 9630 4.3 6.1 70 7.2 7.3 99 DEER PARK 9700 10.0 11.8 85 14.0 15.3 92 HOBBS PARK 10100 8.7 10.0 87 9.4 8.5 111 LITTLE WARM 9370 6.9 8.0 86 9.9 9.5 104 SOUTH PASS 9040 8.7 11.6 75 11.7 12.9 91 ST. LAWRENCE ALT 8620 3.8 4.9 78 5.8 6.0 97 TOGWOTEE PASS 9580 19.0 17.7 107 20.8 17.6 118 TOWNSEND CREEK 8700 4.7 5.7 82 7.9 7.6 104 ----- ----- Basin wide percent of average 90 104 BIGHORN BASIN BALD MTN. 9380 10.9 13.8 79 11.1 12.3 90 BEAR TRAP MEADOW 8200 5.7 3.7 154 6.4 5.7 112 BLACKWATER 9780 17.5 17.0 103 16.4 14.8 111 BONE SPRINGS DIV 9350 10.4 11.0 95 12.7 10.0 127 EVENING STAR 9200 20.2 20.5 99 22.6 18.5 122 GRAVE SPRINGS 8550 5.7 6.1 93 7.0 6.6 106 KIRWIN 9550 8.9 7.8 114 10.5 7.9 133 MARQUETTE 8760 2.3 6.0 38 6.7 6.4 105 MIDDLE POWDER 7760 6.4 7.6 84 6.2 8.5 73 OWL CREEK 8975 3.7 3.5 106 5.1 3.8 134 POWDER RIVER PASS 9480 7.9 7.5 105 9.8 8.6 114 SHELL CREEK 9580 10.8 10.2 106 10.9 9.6 114 SYLVAN LAKE 8420 14.8 15.6 95 19.2 15.4 125 SYLVAN ROAD 7120 7.7 9.2 84 16.1 13.8 117 TIMBER CREEK 7950 2.1 3.7 57 6.1 4.7 130 YOUNTS PEAK 8350 12.2 12.3 99 13.5 11.8 114 ----- ----- Basin wide percent of average 95 114 SHOSHONE RIVER BLACKWATER 9780 17.5 17.0 103 16.4 14.8 111 EVENING STAR 9200 20.2 20.5 99 22.6 18.5 122 KIRWIN 9550 8.9 7.8 114 10.5 7.9 133 MARQUETTE 8760 2.3 6.0 38 6.7 6.4 105 SYLVAN LAKE 8420 14.8 15.6 95 19.2 15.4 125 SYLVAN ROAD 7120 7.7 9.2 84 16.1 13.8 117 YOUNTS PEAK 8350 12.2 12.3 99 13.5 11.8 114 ----- ----- Basin wide percent of average 95 119 POWDER-TONGUE BEAR TRAP MEADOW 8200 5.7 3.7 154 6.4 5.7 112 BIG GOOSE 7990 5.4 6.3 86 8.4 5.9 142 BONE SPRINGS DIV 9350 10.4 11.0 95 12.7 10.0 127 BURGESS JUNCTION 7880 7.3 7.6 96 9.2 8.2 112 CLOUD PEAK RESERVOIR 9860 9.5 8.3 114 10.6 8.5 125 DOME LAKE 8880 6.8 8.2 83 10.1 9.0 112 GRAVE SPRINGS 8550 5.7 6.1 93 7.0 6.6 106 HANSEN SAWMILL 8360 4.4 4.3 102 6.6 5.5 120 MIDDLE POWDER 7760 6.4 7.6 84 6.2 8.5 73 POWDER RIVER PASS 9480 7.9 7.5 105 9.8 8.6 114 SUCKER CREEK 8880 8.6 7.6 113 10.6 9.1 116 TIE CREEK 6870 4.0 4.2 95 8.0 7.0 114 ----- ----- Basin wide percent of average 100 114 BELLE FOURCHE BLIND PARK 6890 4.0 5.6 71 6.6 8.1 81 COLE CANYON 5910 3.6 4.8 75 4.8 4.9 98 NORTH RAPID CREEK 6130 4.6 5.4 85 5.2 6.5 80 ----- ----- Basin wide percent of average 77 85 UPPER N. PLATTE RIVER COLUMBINE 9160 17.0 17.7 96 19.4 17.5 111 DIVIDE PEAK 8880 17.0 13.5 126 17.3 14.3 121 ELK RIVER 8700 16.9 13.1 129 17.1 13.4 128 JOE WRIGHT 10120 15.9 14.6 109 19.0 17.0 112 NORTH FRENCH CREEK 10130 21.3 19.2 111 21.1 17.1 123 OLD BATTLE 10000 23.5 21.3 110 27.7 23.6 117 SAGE CREEK BASIN 7850 13.0 7.8 167 14.5 8.3 175 SOUTH BRUSH CREEK 8440 8.6 7.9 109 12.1 11.4 106 TOWER 10500 29.3 31.7 92 28.6 26.7 107 WEBBER SPRINGS 9250 18.1 17.1 106 21.3 18.8 113 WILLOW CREEK PASS 9540 11.3 7.9 143 11.5 8.7 132 ----- ----- Basin wide percent of average 112 119 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 14.3 16.1 89 15.1 14.9 101 CASPER MTN. 7900 7.3 9.5 77 9.7 9.3 104 DEADMAN HILL 10220 11.5 11.1 104 11.7 11.1 105 DEER PARK 9700 10.0 11.8 85 14.0 15.3 92 LAPRELE CREEK 8375 -M 7.6 * -M 8.5 * RENO HILL 8400 7.5 8.8 85 9.3 9.7 96 ROACH 9700 13.6 11.6 117 15.8 12.2 130 SAND LAKE 10050 18.8 20.9 90 18.8 16.6 113 SOUTH PASS 9040 8.7 11.6 75 11.7 12.9 91 WINDY PEAK 7900 5.0 4.9 102 6.7 7.2 93 ----- ----- Basin wide percent of average 91 103 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 11.6 8.2 141 12.9 10.3 125 DIVIDE PEAK 8880 17.0 13.5 126 17.3 14.3 121 OLD BATTLE 10000 23.5 21.3 110 27.7 23.6 117 SANDSTONE RS 8150 12.9 10.3 125 16.2 13.2 123 WHISKEY PARK 8950 21.5 19.7 109 24.7 20.2 122 ----- ----- Basin wide percent of average 118 121 UPPER GREEN RIVER BIG SANDY OPENING 9080 9.4 10.1 93 9.7 9.5 102 BLIND BULL SUM 8650 16.2 19.3 84 13.4 16.1 83 EAST RIM DIVIDE 7930 5.5 9.0 61 7.8 8.5 92 ELKHART PARK G.S. 9400 7.8 9.3 84 8.7 9.3 94 GROS VENTRE SUMMIT 8750 9.5 9.9 96 10.8 9.0 120 GUNSIGHT PASS 9820 9.1 -M * 10.4 -M * KENDALL R.S. 7740 7.7 10.3 75 9.6 10.3 93 LOOMIS PARK 8240 10.7 11.9 90 12.2 12.4 98 NEW FORK LAKE 8340 6.2 8.1 77 6.6 8.2 80 SNIDER BASIN 8060 8.2 10.3 80 9.4 11.6 81 SPRING CREEK DIVIDE 9000 14.9 18.3 81 15.2 19.2 79 TRIPLE PEAK 8500 15.4 17.5 88 18.4 17.0 108 ----- ----- Basin wide percent of average 83 93 LOWER GREEN RIVER HAMS FORK 7840 7.8 8.9 88 7.2 8.8 82 HEWINTA 9519 7.3 7.2 101 12.0 9.7 124 HICKERSON PARK 9145 3.8 4.7 81 6.4 5.4 119 HOLE-IN-ROCK 9150 3.1 4.5 69 6.6 5.0 132 INDIAN CREEK 9425 15.4 18.5 83 13.1 17.6 74 KELLEY R.S. 8180 9.7 11.3 86 12.2 14.5 84 STEEL CREEK PARK 10200 9.5 10.0 95 13.2 10.7 123 ----- ----- Basin wide percent of average 87 99 UPPER BEAR RIVER BUG LAKE 7950 12.1 14.0 86 12.1 13.6 89 HAYDEN FORK 9212 13.3 10.5 127 16.9 14.3 118 KELLEY R.S. 8180 9.7 11.3 86 12.2 14.5 84 LILY LAKE 9156 10.0 8.7 115 12.9 12.0 108 MONTE CRISTO 8960 20.0 19.6 102 19.6 17.6 111 SALT RIVER SUMMIT 7760 8.6 9.9 87 10.6 13.2 80 TRIAL LAKE 9992 14.5 16.7 87 17.7 16.7 106 ----- ----- Basin wide percent of average 97 100 ----------------------------------------------------------------------------- -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.