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 25 , 2006 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 18.0 15.5 116 22.5 18.1 124 COTTONWOOD CREEK 7600 24.4 17.8 137 26.8 22.4 120 GRANITE CREEK 6770 18.4 15.6 118 20.6 16.9 122 GRASSY LAKE 7265 31.6 28.6 110 35.0 30.1 116 GROS VENTRE SUMMIT 8750 10.0 11.2 89 10.6 10.5 101 LEWIS LAKE DIVIDE 7850 34.8 28.8 121 34.0 30.6 111 PHILLIPS BENCH 8200 26.9 23.1 116 27.9 23.9 117 SALT RIVER SUMMIT 7600 13.6 11.8 115 16.4 15.3 107 SNAKE RIVER STATION 6920 17.6 16.0 110 22.8 18.9 121 SPRING CREEK DIVIDE 9000 27.0 21.5 126 -M 21.9 * THUMB DIVIDE 7980 14.9 14.9 100 15.6 15.5 101 TOGWOTEE PASS 9580 21.1 20.2 104 22.2 20.1 110 TWO OCEAN PLATEAU 9240 30.7 22.7 135 24.3 22.7 107 WILLOW CREEK 8450 29.1 24.6 118 33.5 26.3 127 ----- ----- Basin wide percent of average 117 115 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 19.1 19.3 99 16.8 16.7 101 BLACK BEAR 8170 40.9 31.8 129 -M 32.3 * CANYON 8090 12.1 11.0 110 14.9 12.7 117 FISHER CREEK 9100 34.8 28.7 121 -M 29.7 * MADISON PLATEAU 7750 21.6 20.2 107 25.2 21.4 118 NORTHEAST ENTRANCE 7350 8.9 9.4 95 10.7 10.5 102 PARKER PEAK 9400 15.9 17.7 90 14.4 13.3 108 SYLVAN LAKE 8420 14.8 18.2 81 18.7 17.5 107 THUMB DIVIDE 7980 14.9 14.9 100 15.6 15.5 101 TWO OCEAN PLATEAU 9240 30.7 22.7 135 24.3 22.7 107 WHISKEY CREEK 6800 12.8 13.9 92 18.9 16.9 112 WHITE MILL 8700 22.1 19.7 112 -M 22.1 * WOLVERINE 7650 8.5 10.3 83 8.2 10.9 75 ----- ----- Basin wide percent of average 108 106 WIND RIVER BURROUGHS CREEK 8750 11.9 12.2 98 14.0 13.4 104 COLD SPRINGS 9630 4.2 7.0 60 6.7 8.2 82 DEER PARK 9700 13.6 14.2 96 16.8 17.3 97 HOBBS PARK 10100 8.0 11.6 69 8.8 9.7 91 LITTLE WARM 9370 7.2 9.2 78 9.7 10.6 92 SOUTH PASS 9040 13.4 13.6 99 14.3 14.6 98 ST. LAWRENCE ALT 8620 2.4 5.7 42 4.9 6.8 72 TOGWOTEE PASS 9580 21.1 20.2 104 22.2 20.1 110 TOWNSEND CREEK 8700 4.9 6.7 73 7.7 8.7 89 ----- ----- Basin wide percent of average 86 96 BIGHORN BASIN BALD MTN. 9380 12.7 15.6 81 9.9 13.8 72 BEAR TRAP MEADOW 8200 4.6 4.2 110 6.4 6.3 102 BLACKWATER 9780 18.8 19.8 95 17.0 16.8 101 BONE SPRINGS DIV 9350 11.1 12.8 87 11.2 11.3 99 EVENING STAR 9200 21.5 24.2 89 24.0 21.2 113 GRAVE SPRINGS 8550 7.7 7.1 108 9.6 7.6 126 KIRWIN 9550 8.2 8.9 92 9.0 9.0 100 MARQUETTE 8760 1.6 6.7 24 6.1 7.3 84 MIDDLE POWDER 7760 10.3 8.7 118 8.8 9.4 94 OWL CREEK 8975 2.4 4.0 60 4.5 4.3 105 POWDER RIVER PASS 9480 8.2 8.5 96 9.6 9.8 98 SHELL CREEK 9580 11.4 11.5 99 10.6 10.6 100 SYLVAN LAKE 8420 14.8 18.2 81 18.7 17.5 107 SYLVAN ROAD 7120 9.2 11.1 83 14.2 15.3 93 TIMBER CREEK 7950 1.6 4.1 39 4.1 5.3 77 YOUNTS PEAK 8350 -M 14.2 * 15.2 13.3 114 ----- ----- Basin wide percent of average 87 100 SHOSHONE RIVER BLACKWATER 9780 18.8 19.8 95 17.0 16.8 101 EVENING STAR 9200 21.5 24.2 89 24.0 21.2 113 KIRWIN 9550 8.2 8.9 92 9.0 9.0 100 MARQUETTE 8760 1.6 6.7 24 6.1 7.3 84 SYLVAN LAKE 8420 14.8 18.2 81 18.7 17.5 107 SYLVAN ROAD 7120 9.2 11.1 83 14.2 15.3 93 YOUNTS PEAK 8350 -M 14.2 * 15.2 13.3 114 ----- ----- Basin wide percent of average 83 104 POWDER-TONGUE BEAR TRAP MEADOW 8200 4.6 4.2 110 6.4 6.3 102 BIG GOOSE 7990 5.0 7.4 68 7.1 6.6 108 BONE SPRINGS DIV 9350 11.1 12.8 87 11.2 11.3 99 BURGESS JUNCTION 7880 7.8 8.7 90 9.1 9.3 98 CLOUD PEAK RESERVOIR 9860 10.5 9.7 108 9.6 9.6 100 DOME LAKE 8880 8.5 9.3 91 9.2 10.0 92 GRAVE SPRINGS 8550 7.7 7.1 108 9.6 7.6 126 HANSEN SAWMILL 8360 3.3 5.0 66 5.2 6.2 84 MIDDLE POWDER 7760 10.3 8.7 118 8.8 9.4 94 POWDER RIVER PASS 9480 8.2 8.5 96 9.6 9.8 98 SUCKER CREEK 8880 8.3 8.8 94 11.0 10.3 107 TIE CREEK 6870 4.2 4.8 88 8.3 7.7 108 ----- ----- Basin wide percent of average 94 101 BELLE FOURCHE BLIND PARK 6890 6.7 6.8 99 9.3 9.1 102 COLE CANYON 5910 4.5 4.9 92 7.7 -M * NORTH RAPID CREEK 6130 5.7 6.5 88 7.1 7.3 97 ----- ----- Basin wide percent of average 93 100 UPPER N. PLATTE RIVER COLUMBINE 9160 26.7 21.2 126 29.1 20.3 143 DIVIDE PEAK 8860 14.7 15.2 97 17.5 16.5 106 ELK RIVER 8700 16.3 15.6 104 17.4 15.6 112 JOE WRIGHT 10120 18.0 16.8 107 21.9 19.6 112 NORTH FRENCH CREEK 10130 28.1 22.0 128 26.7 19.7 136 OLD BATTLE 9920 30.5 25.4 120 33.7 27.6 122 SAGE CREEK BASIN 7850 10.4 8.8 118 12.3 9.6 128 SOUTH BRUSH CREEK 8440 9.8 9.6 102 14.1 13.0 108 TOWER 10500 44.2 36.5 121 -M 31.0 * WEBBER SPRINGS 9250 22.1 20.5 108 27.8 21.5 129 WILLOW CREEK PASS 9540 10.6 9.3 114 11.2 10.1 111 ----- ----- Basin wide percent of average 115 122 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10220 20.6 18.5 111 17.6 17.0 104 CASPER MTN. 7850 13.5 11.0 123 14.8 10.8 137 DEADMAN HILL 10220 12.8 12.6 102 14.2 12.9 110 DEER PARK 9700 13.6 14.2 96 16.8 17.3 97 LAPRELE CREEK 8375 8.4 8.6 98 9.2 9.7 95 RENO HILL 8500 13.0 10.1 129 14.4 11.2 129 ROACH 9700 12.2 13.5 90 15.2 14.4 106 SAND LAKE 10050 26.6 24.3 109 25.4 18.8 135 SOUTH PASS 9040 13.4 13.6 99 14.3 14.6 98 WINDY PEAK 7900 5.7 5.8 98 7.7 8.3 93 ----- ----- Basin wide percent of average 106 111 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 11.3 9.4 120 13.5 12.0 112 DIVIDE PEAK 8860 14.7 15.2 97 17.5 16.5 106 OLD BATTLE 9920 30.5 25.4 120 33.7 27.6 122 SANDSTONE RS 8150 12.5 12.1 103 18.1 15.2 119 WHISKEY PARK 8950 31.3 23.0 136 29.7 22.8 130 ----- ----- Basin wide percent of average 118 120 UPPER GREEN RIVER BIG SANDY OPENING 9080 12.4 11.7 106 12.7 11.0 115 BLIND BULL SUM 8900 23.8 22.4 106 18.3 18.6 98 EAST RIM DIVIDE 7930 9.6 10.6 91 10.1 9.9 102 ELKHART PARK G.S. 9400 11.7 10.8 108 12.5 10.6 118 GROS VENTRE SUMMIT 8750 10.0 11.2 89 10.6 10.5 101 KENDALL R.S. 7740 12.8 12.0 107 13.7 12.1 113 LOOMIS PARK 8240 16.2 14.0 116 17.1 14.4 119 NEW FORK LAKE 8340 9.6 9.3 103 9.4 9.4 100 SNIDER BASIN 8060 15.2 12.0 127 14.7 13.3 111 SPRING CREEK DIVIDE 9000 27.0 21.5 126 -M 21.9 * TRIPLE PEAK 8500 25.8 20.2 128 26.5 20.1 132 ----- ----- Basin wide percent of average 112 112 LOWER GREEN RIVER HAMS FORK 7840 12.9 10.6 122 12.0 10.1 119 HEWINTA 9500 9.2 8.7 106 12.3 11.3 109 HICKERSON PARK 9100 3.1 5.6 55 5.5 6.1 90 HOLE-IN-ROCK 9150 5.5 5.5 100 6.3 5.7 111 INDIAN CREEK 9425 26.2 21.6 121 -M 20.5 * KELLEY R.S. 8180 17.1 13.5 127 19.0 16.7 114 STEEL CREEK PARK 10100 12.6 12.2 103 13.9 12.5 111 ----- ----- Basin wide percent of average 111 111 UPPER BEAR RIVER BUG LAKE 7950 20.8 16.5 126 18.3 15.7 117 HAYDEN FORK 9100 16.9 12.7 133 19.9 16.6 120 KELLEY R.S. 8180 17.1 13.5 127 19.0 16.7 114 LILY LAKE 9050 11.5 10.4 111 13.3 13.9 96 MONTE CRISTO 8960 26.2 23.8 110 25.7 20.5 125 SALT RIVER SUMMIT 7600 13.6 11.8 115 16.4 15.3 107 TRIAL LAKE 9960 23.6 19.9 119 23.3 19.8 118 ----- ----- Basin wide percent of average 119 115 ----------------------------------------------------------------------------- -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.