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 TUESDAY: FEBRUARY 5 , 2008 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 13.0 13.2 98 19.6 15.4 127 COTTONWOOD CREEK 7670 14.9 14.7 101 17.4 19.2 91 GRAND TARGHEE 9260 34.0 -M * 23.7 -M * GRANITE CREEK 6770 11.8 12.9 91 17.5 14.3 122 GRASSY LAKE 7265 21.3 23.9 89 29.2 25.9 113 GROS VENTRE SUMMIT 8750 9.4 9.7 97 10.7 8.9 120 GUNSIGHT PASS 9820 6.5 -M * 10.4 -M * LEWIS LAKE DIVIDE 7850 22.4 24.1 93 27.4 25.8 106 PHILLIPS BENCH 8200 21.2 19.3 110 24.3 20.2 120 SALT RIVER SUMMIT 7760 8.3 9.7 86 10.4 13.0 80 SNAKE RIVER STATION 6920 11.5 13.2 87 19.7 16.1 122 SPRING CREEK DIVIDE 9000 14.6 18.0 81 15.0 18.9 79 THUMB DIVIDE 7980 11.7 12.2 96 14.6 13.1 111 TOGWOTEE PASS 9580 18.8 17.5 107 20.7 17.3 120 TWO OCEAN PLATEAU 9240 25.9 19.6 132 21.7 19.1 114 WILLOW CREEK 8380 19.4 21.0 92 24.9 22.5 111 ----- ----- Basin wide percent of average 98 109 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9360 17.5 16.5 106 16.7 14.4 116 BLACK BEAR 8170 33.3 26.2 127 31.3 27.1 115 CANYON 7870 12.1 9.1 133 15.2 11.1 137 FISHER CREEK 9100 29.4 24.3 121 27.0 25.4 106 MADISON PLATEAU 7750 21.2 16.6 128 24.3 18.1 134 NORTHEAST ENTRANCE 7350 5.7 7.9 72 9.5 9.2 103 PARKER PEAK 9400 17.5 15.1 116 -M 11.4 * SYLVAN LAKE 8420 14.6 15.5 94 19.1 15.2 126 THUMB DIVIDE 7980 11.7 12.2 96 14.6 13.1 111 TWO OCEAN PLATEAU 9240 25.9 19.6 132 21.7 19.1 114 WHISKEY CREEK 6800 13.5 11.4 118 18.7 14.2 132 WHITE MILL 8700 18.3 16.5 111 -M 18.9 * WOLVERINE 7650 6.3 8.8 72 9.3 9.4 99 ----- ----- Basin wide percent of average 114 118 WIND RIVER BURROUGHS CREEK 8750 11.2 10.3 109 13.9 11.6 120 COLD SPRINGS 9630 4.3 6.1 70 7.2 7.3 99 DEER PARK 9700 9.9 11.7 85 13.9 15.1 92 HOBBS PARK 10100 8.6 9.9 87 9.4 8.4 112 LITTLE WARM 9370 6.8 7.9 86 9.8 9.3 105 SOUTH PASS 9040 8.6 11.5 75 11.7 12.7 92 ST. LAWRENCE ALT 8620 3.7 4.9 76 5.7 5.9 97 TOGWOTEE PASS 9580 18.8 17.5 107 20.7 17.3 120 TOWNSEND CREEK 8700 4.6 5.7 81 7.9 7.5 105 ----- ----- Basin wide percent of average 89 105 BIGHORN BASIN BALD MTN. 9380 10.8 13.7 79 10.8 12.1 89 BEAR TRAP MEADOW 8200 5.6 3.7 151 6.4 5.6 114 BLACKWATER 9780 17.3 16.8 103 16.3 14.6 112 BONE SPRINGS DIV 9350 10.3 10.9 94 12.6 9.9 127 EVENING STAR 9200 19.9 20.2 99 22.6 18.2 124 GRAVE SPRINGS 8550 5.6 6.0 93 6.9 6.5 106 KIRWIN 9550 8.8 7.8 113 10.5 7.8 135 MARQUETTE 8760 2.2 6.0 37 6.3 6.4 98 MIDDLE POWDER 7760 6.2 7.5 83 6.0 8.4 71 OWL CREEK 8975 3.6 3.5 103 5.1 3.8 134 POWDER RIVER PASS 9480 7.8 7.4 105 9.6 8.5 113 SHELL CREEK 9580 10.7 10.2 105 10.8 9.5 114 SYLVAN LAKE 8420 14.6 15.5 94 19.1 15.2 126 SYLVAN ROAD 7120 7.6 9.0 84 16.0 13.6 118 TIMBER CREEK 7950 1.9 3.7 51 5.8 4.6 126 YOUNTS PEAK 8350 12.1 12.2 99 13.5 11.7 115 ----- ----- Basin wide percent of average 94 114 SHOSHONE RIVER BLACKWATER 9780 17.3 16.8 103 16.3 14.6 112 EVENING STAR 9200 19.9 20.2 99 22.6 18.2 124 KIRWIN 9550 8.8 7.8 113 10.5 7.8 135 MARQUETTE 8760 2.2 6.0 37 6.3 6.4 98 SYLVAN LAKE 8420 14.6 15.5 94 19.1 15.2 126 SYLVAN ROAD 7120 7.6 9.0 84 16.0 13.6 118 YOUNTS PEAK 8350 12.1 12.2 99 13.5 11.7 115 ----- ----- Basin wide percent of average 94 119 POWDER-TONGUE BEAR TRAP MEADOW 8200 5.6 3.7 151 6.4 5.6 114 BIG GOOSE 7990 5.3 6.2 85 8.4 5.9 142 BONE SPRINGS DIV 9350 10.3 10.9 94 12.6 9.9 127 BURGESS JUNCTION 7880 7.1 7.6 93 9.0 8.1 111 CLOUD PEAK RESERVOIR 9860 9.4 8.3 113 10.7 8.4 127 DOME LAKE 8880 6.5 8.1 80 10.0 8.9 112 GRAVE SPRINGS 8550 5.6 6.0 93 6.9 6.5 106 HANSEN SAWMILL 8360 4.1 4.3 95 6.4 5.4 119 MIDDLE POWDER 7760 6.2 7.5 83 6.0 8.4 71 POWDER RIVER PASS 9480 7.8 7.4 105 9.6 8.5 113 SUCKER CREEK 8880 8.4 7.5 112 10.1 9.0 112 TIE CREEK 6870 3.8 4.2 90 7.9 6.9 114 ----- ----- Basin wide percent of average 98 114 BELLE FOURCHE BLIND PARK 6890 3.9 5.6 70 6.4 8.0 80 COLE CANYON 5910 3.4 4.7 72 4.7 4.8 98 NORTH RAPID CREEK 6130 4.3 5.3 81 4.8 6.5 74 ----- ----- Basin wide percent of average 74 82 UPPER N. PLATTE RIVER COLUMBINE 9160 16.5 17.3 95 19.3 17.2 112 DIVIDE PEAK 8880 16.6 13.3 125 17.0 14.1 121 ELK RIVER 8700 16.3 12.8 127 16.8 13.1 128 JOE WRIGHT 10120 15.8 14.4 110 18.8 16.7 113 NORTH FRENCH CREEK 10130 20.9 19.0 110 21.0 16.9 124 OLD BATTLE 10000 23.0 20.9 110 27.3 23.2 118 SAGE CREEK BASIN 7850 12.6 7.7 164 14.0 8.2 171 SOUTH BRUSH CREEK 8440 8.6 7.7 112 12.1 11.2 108 TOWER 10500 28.4 31.2 91 28.5 26.3 108 WEBBER SPRINGS 9250 17.6 16.7 105 20.9 18.6 112 WILLOW CREEK PASS 9540 11.3 7.8 145 11.5 8.6 134 ----- ----- Basin wide percent of average 111 119 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 14.0 15.8 89 14.9 14.7 101 CASPER MTN. 7900 6.9 9.3 74 9.3 9.2 101 DEADMAN HILL 10220 11.4 10.9 105 11.8 10.9 108 DEER PARK 9700 9.9 11.7 85 13.9 15.1 92 LAPRELE CREEK 8375 -M 7.5 * -M 8.4 * RENO HILL 8400 7.3 8.7 84 9.1 9.6 95 ROACH 9700 13.3 11.4 117 15.7 12.0 131 SAND LAKE 10050 18.4 20.6 89 18.5 16.3 113 SOUTH PASS 9040 8.6 11.5 75 11.7 12.7 92 WINDY PEAK 7900 4.9 4.7 104 6.6 7.2 92 ----- ----- Basin wide percent of average 91 104 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 11.4 8.1 141 12.7 10.2 125 DIVIDE PEAK 8880 16.6 13.3 125 17.0 14.1 121 OLD BATTLE 10000 23.0 20.9 110 27.3 23.2 118 SANDSTONE RS 8150 12.7 10.1 126 15.9 12.9 123 WHISKEY PARK 8950 20.8 19.3 108 24.5 20.0 123 ----- ----- Basin wide percent of average 118 121 UPPER GREEN RIVER BIG SANDY OPENING 9080 9.2 9.9 93 9.6 9.3 103 BLIND BULL SUM 8650 15.9 19.0 84 13.2 15.9 83 EAST RIM DIVIDE 7930 5.4 8.8 61 7.7 8.4 92 ELKHART PARK G.S. 9400 7.5 9.1 82 8.5 9.1 93 GROS VENTRE SUMMIT 8750 9.4 9.7 97 10.7 8.9 120 GUNSIGHT PASS 9820 6.5 -M * 10.4 -M * KENDALL R.S. 7740 7.6 10.2 75 9.5 10.1 94 LOOMIS PARK 8240 10.5 11.7 90 12.0 12.2 98 NEW FORK LAKE 8340 6.1 7.9 77 6.5 8.1 80 SNIDER BASIN 8060 7.9 10.1 78 9.1 11.4 80 SPRING CREEK DIVIDE 9000 14.6 18.0 81 15.0 18.9 79 TRIPLE PEAK 8500 15.0 17.2 87 18.1 16.7 108 ----- ----- Basin wide percent of average 83 93 LOWER GREEN RIVER HAMS FORK 7840 7.4 8.7 85 7.1 8.7 82 HEWINTA 9519 7.0 7.0 100 11.6 9.6 121 HICKERSON PARK 9145 3.7 4.6 80 6.4 5.3 121 HOLE-IN-ROCK 9150 3.0 4.3 70 6.4 4.9 131 INDIAN CREEK 9425 15.1 18.2 83 -M 17.4 * KELLEY R.S. 8180 9.4 11.1 85 11.9 14.3 83 STEEL CREEK PARK 10200 9.1 9.8 93 12.9 10.5 123 ----- ----- Basin wide percent of average 86 106 UPPER BEAR RIVER BUG LAKE 7950 11.8 13.8 86 11.9 13.4 89 HAYDEN FORK 9212 13.0 10.3 126 16.7 14.1 118 KELLEY R.S. 8180 9.4 11.1 85 11.9 14.3 83 LILY LAKE 9156 9.9 8.5 116 12.6 11.8 107 MONTE CRISTO 8960 19.8 19.1 104 19.4 17.3 112 SALT RIVER SUMMIT 7760 8.3 9.7 86 10.4 13.0 80 TRIAL LAKE 9992 14.2 16.3 87 17.6 16.4 107 ----- ----- 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.