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 13 , 2006 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 17.2 14.2 121 21.3 16.5 129 COTTONWOOD CREEK 7600 23.0 15.7 146 25.6 20.5 125 GRANITE CREEK 6770 17.3 13.9 124 19.7 15.3 129 GRASSY LAKE 7265 29.7 25.7 116 33.9 27.6 123 GROS VENTRE SUMMIT 8750 9.3 10.3 90 10.1 9.6 105 LEWIS LAKE DIVIDE 7850 32.9 25.9 127 32.7 27.7 118 PHILLIPS BENCH 8200 25.2 20.7 122 26.4 21.7 122 SALT RIVER SUMMIT 7600 12.5 10.6 118 15.4 14.0 110 SNAKE RIVER STATION 6920 16.8 14.3 117 21.8 17.3 126 SPRING CREEK DIVIDE 9000 25.8 19.4 133 -M 20.1 * THUMB DIVIDE 7980 14.2 13.3 107 15.0 14.1 106 TOGWOTEE PASS 9580 19.3 18.5 104 20.6 18.5 111 TWO OCEAN PLATEAU 9240 28.9 20.8 139 23.2 20.6 113 WILLOW CREEK 8450 27.3 22.3 122 31.5 24.0 131 ----- ----- Basin wide percent of average 122 120 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 17.6 17.9 98 15.3 15.3 100 BLACK BEAR 8170 39.2 28.6 137 -M 29.2 * CANYON 8090 11.7 9.9 118 14.3 11.7 122 FISHER CREEK 9100 31.7 26.2 121 30.0 27.2 110 MADISON PLATEAU 7750 21.2 18.2 116 24.9 19.5 128 NORTHEAST ENTRANCE 7350 7.8 8.6 91 10.1 9.7 104 PARKER PEAK 9400 14.6 16.2 90 13.7 12.2 112 SYLVAN LAKE 8420 13.5 16.5 82 17.7 16.1 110 THUMB DIVIDE 7980 14.2 13.3 107 15.0 14.1 106 TWO OCEAN PLATEAU 9240 28.9 20.8 139 23.2 20.6 113 WHISKEY CREEK 6800 12.5 12.5 100 18.9 15.3 124 WHITE MILL 8700 20.1 17.8 113 18.6 20.2 92 WOLVERINE 7650 8.2 9.5 86 7.3 10.1 72 ----- ----- Basin wide percent of average 112 109 WIND RIVER BURROUGHS CREEK 8750 10.8 11.1 97 13.1 12.3 107 COLD SPRINGS 9630 3.6 6.3 57 6.2 7.7 81 DEER PARK 9700 12.9 13.4 96 16.0 15.9 101 HOBBS PARK 10100 7.4 10.6 70 8.0 8.9 90 LITTLE WARM 9370 6.6 8.4 79 9.1 9.9 92 SOUTH PASS 9040 12.3 12.3 100 13.3 13.4 99 ST. LAWRENCE ALT 8620 1.6 5.1 31 4.1 6.3 65 TOGWOTEE PASS 9580 19.3 18.5 104 20.6 18.5 111 TOWNSEND CREEK 8700 4.0 6.2 65 6.7 8.0 84 ----- ----- Basin wide percent of average 85 96 BIGHORN BASIN BALD MTN. 9380 11.2 14.4 78 8.8 12.8 69 BEAR TRAP MEADOW 8200 4.2 3.8 111 5.9 5.9 100 BLACKWATER 9780 17.0 18.1 94 15.5 15.5 100 BONE SPRINGS DIV 9350 9.5 11.5 83 9.6 10.5 91 EVENING STAR 9200 19.6 21.9 89 21.8 19.4 112 GRAVE SPRINGS 8550 7.2 6.4 112 9.1 7.0 130 KIRWIN 9550 7.6 8.2 93 8.2 8.3 99 MARQUETTE 8760 1.4 6.2 23 5.7 6.8 84 MIDDLE POWDER 7760 9.6 8.0 120 8.2 8.9 92 OWL CREEK 8975 1.7 3.7 46 3.9 4.0 98 POWDER RIVER PASS 9480 7.1 7.8 91 8.7 9.0 97 SHELL CREEK 9580 9.6 10.6 91 8.9 9.9 90 SYLVAN LAKE 8420 13.5 16.5 82 17.7 16.1 110 SYLVAN ROAD 7120 8.5 10.0 85 13.3 14.3 93 TIMBER CREEK 7950 1.0 3.9 26 3.5 4.9 71 YOUNTS PEAK 8350 -M 13.0 * 14.2 12.3 115 ----- ----- Basin wide percent of average 85 98 SHOSHONE RIVER BLACKWATER 9780 17.0 18.1 94 15.5 15.5 100 EVENING STAR 9200 19.6 21.9 89 21.8 19.4 112 KIRWIN 9550 7.6 8.2 93 8.2 8.3 99 MARQUETTE 8760 1.4 6.2 23 5.7 6.8 84 SYLVAN LAKE 8420 13.5 16.5 82 17.7 16.1 110 SYLVAN ROAD 7120 8.5 10.0 85 13.3 14.3 93 YOUNTS PEAK 8350 -M 13.0 * 14.2 12.3 115 ----- ----- Basin wide percent of average 84 104 POWDER-TONGUE BEAR TRAP MEADOW 8200 4.2 3.8 111 5.9 5.9 100 BIG GOOSE 7990 4.3 6.7 64 6.5 6.2 105 BONE SPRINGS DIV 9350 9.5 11.5 83 9.6 10.5 91 BURGESS JUNCTION 7880 7.0 8.0 88 8.4 8.6 98 CLOUD PEAK RESERVOIR 9860 9.3 8.8 106 8.7 8.9 98 DOME LAKE 8880 7.5 8.6 87 8.2 9.3 88 GRAVE SPRINGS 8550 7.2 6.4 112 9.1 7.0 130 HANSEN SAWMILL 8360 2.4 4.5 53 4.4 5.7 77 MIDDLE POWDER 7760 9.6 8.0 120 8.2 8.9 92 POWDER RIVER PASS 9480 7.1 7.8 91 8.7 9.0 97 SUCKER CREEK 8880 7.6 8.0 95 10.2 9.5 107 TIE CREEK 6870 3.7 4.4 84 7.7 7.3 105 ----- ----- Basin wide percent of average 92 99 BELLE FOURCHE BLIND PARK 6890 5.9 5.8 102 8.5 8.4 101 COLE CANYON 5910 3.9 4.4 89 6.7 -M * NORTH RAPID CREEK 6130 5.5 5.8 95 6.7 6.8 99 ----- ----- Basin wide percent of average 96 100 UPPER N. PLATTE RIVER COLUMBINE 9160 25.7 18.9 136 27.8 18.5 150 DIVIDE PEAK 8860 13.7 13.9 99 16.8 15.1 111 ELK RIVER 8700 15.9 13.9 114 16.9 14.2 119 JOE WRIGHT 10120 17.4 15.3 114 21.4 17.9 120 NORTH FRENCH CREEK 10130 27.1 20.0 136 26.3 18.0 146 OLD BATTLE 9920 -M 22.6 * -M 25.0 * SAGE CREEK BASIN 7850 9.2 8.1 114 11.8 8.8 134 SOUTH BRUSH CREEK 8440 9.7 8.4 115 13.5 11.9 113 TOWER 10500 41.9 33.3 126 31.0 28.2 110 WEBBER SPRINGS 9250 21.2 18.1 117 26.6 19.8 134 WILLOW CREEK PASS 9540 9.1 8.4 108 10.6 9.2 115 ----- ----- Basin wide percent of average 121 125 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10220 19.3 16.8 115 16.1 15.7 103 CASPER MTN. 7850 12.4 9.9 125 13.7 9.8 140 DEADMAN HILL 10220 11.9 11.5 103 13.4 11.8 114 DEER PARK 9700 12.9 13.4 96 16.0 15.9 101 LAPRELE CREEK 8375 7.0 7.9 89 7.9 8.9 89 RENO HILL 8500 11.8 9.2 128 13.3 10.2 130 ROACH 9700 11.9 12.3 97 14.8 13.1 113 SAND LAKE 10050 25.0 21.9 114 23.8 17.4 137 SOUTH PASS 9040 12.3 12.3 100 13.3 13.4 99 WINDY PEAK 7900 4.3 5.2 83 6.3 7.6 83 ----- ----- Basin wide percent of average 107 112 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 10.8 8.6 126 12.9 10.9 118 DIVIDE PEAK 8860 13.7 13.9 99 16.8 15.1 111 OLD BATTLE 9920 -M 22.6 * -M 25.0 * SANDSTONE RS 8150 12.0 10.9 110 17.3 13.9 124 WHISKEY PARK 8950 29.3 20.7 142 29.3 21.1 139 ----- ----- Basin wide percent of average 122 125 UPPER GREEN RIVER BIG SANDY OPENING 9080 11.6 10.6 109 12.1 10.0 121 BLIND BULL SUM 8900 22.6 20.3 111 17.4 17.0 102 EAST RIM DIVIDE 7930 8.6 9.5 91 9.2 9.0 102 ELKHART PARK G.S. 9400 10.6 9.7 109 11.4 9.8 116 GROS VENTRE SUMMIT 8750 9.3 10.3 90 10.1 9.6 105 KENDALL R.S. 7740 11.3 10.8 105 12.3 10.9 113 LOOMIS PARK 8240 14.8 12.5 118 15.5 13.1 118 NEW FORK LAKE 8340 8.2 8.5 96 8.2 8.6 95 SNIDER BASIN 8060 14.3 10.9 131 13.9 12.2 114 SPRING CREEK DIVIDE 9000 25.8 19.4 133 -M 20.1 * TRIPLE PEAK 8500 24.6 18.3 134 25.2 18.1 139 ----- ----- Basin wide percent of average 115 114 LOWER GREEN RIVER HAMS FORK 7840 12.0 9.4 128 11.1 9.3 119 HEWINTA 9500 8.8 7.6 116 11.8 10.3 115 HICKERSON PARK 9100 2.9 5.0 58 5.2 5.6 93 HOLE-IN-ROCK 9150 5.3 4.8 110 6.0 5.2 115 INDIAN CREEK 9425 24.8 19.4 128 -M 18.6 * KELLEY R.S. 8180 16.3 12.0 136 17.9 15.3 117 STEEL CREEK PARK 10100 11.9 10.7 111 13.4 11.3 119 ----- ----- Basin wide percent of average 119 115 UPPER BEAR RIVER BUG LAKE 7950 19.6 14.8 132 17.6 14.3 123 HAYDEN FORK 9100 16.0 11.2 143 19.4 15.1 128 KELLEY R.S. 8180 16.3 12.0 136 17.9 15.3 117 LILY LAKE 9050 11.4 9.3 123 12.8 12.7 101 MONTE CRISTO 8960 25.1 20.9 120 24.9 18.6 134 SALT RIVER SUMMIT 7600 12.5 10.6 118 15.4 14.0 110 TRIAL LAKE 9960 23.1 17.7 131 22.7 17.8 128 ----- ----- Basin wide percent of average 128 121 ----------------------------------------------------------------------------- -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 1971-2000. 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.