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: JANUARY 30 , 2006 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 15.4 12.4 124 19.3 14.6 132 COTTONWOOD CREEK 7600 19.3 13.9 139 22.1 18.4 120 GRANITE CREEK 6770 15.5 12.1 128 18.0 13.4 134 GRASSY LAKE 7265 26.8 22.5 119 31.4 24.5 128 GROS VENTRE SUMMIT 8750 8.6 9.3 92 9.4 8.6 109 LEWIS LAKE DIVIDE 7850 29.8 22.6 132 30.2 24.4 124 PHILLIPS BENCH 8200 22.8 18.1 126 24.1 19.1 126 SALT RIVER SUMMIT 7600 11.3 9.0 126 14.0 12.4 113 SNAKE RIVER STATION 6920 15.1 12.3 123 19.8 15.3 129 SPRING CREEK DIVIDE 9000 22.4 17.1 131 17.1 18.0 95 THUMB DIVIDE 7980 13.2 11.5 115 14.2 12.5 114 TOGWOTEE PASS 9580 17.8 16.6 107 18.8 16.5 114 TWO OCEAN PLATEAU 9240 26.7 18.6 144 21.4 18.2 118 WILLOW CREEK 8450 23.6 19.8 119 28.0 21.4 131 ----- ----- Basin wide percent of average 124 121 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 16.1 15.9 101 14.0 13.7 102 BLACK BEAR 8170 36.1 25.1 144 -M 25.6 * CANYON 8090 10.6 8.7 122 13.0 10.6 123 FISHER CREEK 9100 28.7 23.4 123 27.5 24.1 114 MADISON PLATEAU 7750 19.3 15.9 121 23.9 17.2 139 NORTHEAST ENTRANCE 7350 6.8 7.5 91 9.0 8.7 103 PARKER PEAK 9400 13.3 14.5 92 12.4 10.9 114 SYLVAN LAKE 8420 12.3 14.9 83 16.1 14.6 110 THUMB DIVIDE 7980 13.2 11.5 115 14.2 12.5 114 TWO OCEAN PLATEAU 9240 26.7 18.6 144 21.4 18.2 118 WHISKEY CREEK 6800 11.4 10.9 105 17.2 13.5 127 WHITE MILL 8700 18.0 15.8 114 16.7 17.9 93 WOLVERINE 7650 7.0 8.4 83 6.1 9.1 67 ----- ----- Basin wide percent of average 115 112 WIND RIVER BURROUGHS CREEK 8750 9.7 9.9 98 11.7 11.1 105 COLD SPRINGS 9630 3.3 5.9 56 5.8 7.0 83 DEER PARK 9700 11.7 11.4 103 14.5 14.3 101 HOBBS PARK 10100 6.8 9.7 70 7.6 8.1 94 LITTLE WARM 9370 5.9 7.7 77 8.4 8.9 94 SOUTH PASS 9040 11.2 11.2 100 12.2 12.0 102 ST. LAWRENCE ALT 8620 1.5 4.7 32 3.9 5.6 70 TOGWOTEE PASS 9580 17.8 16.6 107 18.8 16.5 114 TOWNSEND CREEK 8700 3.7 5.5 67 6.5 7.2 90 ----- ----- Basin wide percent of average 87 99 BIGHORN BASIN BALD MTN. 9380 10.2 13.3 77 7.9 11.6 68 BEAR TRAP MEADOW 8200 3.6 3.4 106 5.5 5.4 102 BLACKWATER 9780 15.6 16.3 96 14.1 14.0 101 BONE SPRINGS DIV 9350 8.7 10.4 84 8.5 9.5 89 EVENING STAR 9200 17.7 19.4 91 19.8 17.3 114 GRAVE SPRINGS 8550 6.1 5.6 109 8.2 6.3 130 KIRWIN 9550 7.1 7.6 93 7.6 7.5 101 MARQUETTE 8760 1.2 5.8 21 5.4 6.1 89 MIDDLE POWDER 7760 8.5 7.1 120 7.4 8.2 90 OWL CREEK 8975 1.5 3.4 44 3.5 3.6 97 POWDER RIVER PASS 9480 6.4 7.1 90 7.7 8.2 94 SHELL CREEK 9580 8.5 9.7 88 8.2 9.1 90 SYLVAN LAKE 8420 12.3 14.9 83 16.1 14.6 110 SYLVAN ROAD 7120 7.7 8.7 89 12.2 13.1 93 TIMBER CREEK 7950 .9 3.6 25 3.3 4.4 75 YOUNTS PEAK 8350 -M 11.7 * 12.9 11.2 115 ----- ----- Basin wide percent of average 85 99 SHOSHONE RIVER BLACKWATER 9780 15.6 16.3 96 14.1 14.0 101 EVENING STAR 9200 17.7 19.4 91 19.8 17.3 114 KIRWIN 9550 7.1 7.6 93 7.6 7.5 101 MARQUETTE 8760 1.2 5.8 21 5.4 6.1 89 SYLVAN LAKE 8420 12.3 14.9 83 16.1 14.6 110 SYLVAN ROAD 7120 7.7 8.7 89 12.2 13.1 93 YOUNTS PEAK 8350 -M 11.7 * 12.9 11.2 115 ----- ----- Basin wide percent of average 85 105 POWDER-TONGUE BEAR TRAP MEADOW 8200 3.6 3.4 106 5.5 5.4 102 BIG GOOSE 7990 3.7 5.9 63 5.8 5.6 104 BONE SPRINGS DIV 9350 8.7 10.4 84 8.5 9.5 89 BURGESS JUNCTION 7880 6.2 7.3 85 7.6 7.8 97 CLOUD PEAK RESERVOIR 9860 7.9 8.0 99 7.6 8.1 94 DOME LAKE 8880 6.6 7.8 85 7.5 8.6 87 GRAVE SPRINGS 8550 6.1 5.6 109 8.2 6.3 130 HANSEN SAWMILL 8360 -M 4.1 * -M 5.2 * MIDDLE POWDER 7760 8.5 7.1 120 7.4 8.2 90 POWDER RIVER PASS 9480 6.4 7.1 90 7.7 8.2 94 SUCKER CREEK 8880 6.7 7.1 94 9.2 8.7 106 TIE CREEK 6870 3.1 3.9 79 7.1 6.7 106 ----- ----- Basin wide percent of average 92 99 BELLE FOURCHE BLIND PARK 6890 4.6 5.1 90 6.9 7.7 90 COLE CANYON 5910 2.7 3.9 69 5.7 -M * NORTH RAPID CREEK 6130 3.7 4.9 76 5.3 6.2 85 ----- ----- Basin wide percent of average 79 88 UPPER N. PLATTE RIVER COLUMBINE 9160 22.0 16.1 137 25.0 16.4 152 DIVIDE PEAK 8860 12.3 12.8 96 15.4 13.5 114 ELK RIVER 8700 14.0 11.9 118 15.2 12.5 122 JOE WRIGHT 10120 15.7 13.6 115 18.8 15.9 118 NORTH FRENCH CREEK 10130 23.5 18.1 130 23.4 16.1 145 OLD BATTLE 9920 26.0 19.6 133 29.8 22.0 135 SAGE CREEK BASIN 7850 8.0 7.4 108 10.8 7.8 138 SOUTH BRUSH CREEK 8440 8.5 7.2 118 12.4 10.7 116 TOWER 10500 37.1 29.5 126 30.0 24.9 120 WEBBER SPRINGS 9250 -M 15.8 * -M 17.7 * WILLOW CREEK PASS 9540 8.6 7.4 116 9.8 8.2 120 ----- ----- Basin wide percent of average 122 129 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10220 16.9 15.0 113 14.0 14.0 100 CASPER MTN. 7850 10.1 8.9 113 12.2 8.8 139 DEADMAN HILL 10220 10.8 10.4 104 12.2 10.4 117 DEER PARK 9700 11.7 11.4 103 14.5 14.3 101 LAPRELE CREEK 8375 5.9 7.2 82 6.9 8.0 86 RENO HILL 8500 9.9 8.3 119 11.5 9.2 125 ROACH 9700 10.4 10.8 96 13.2 11.5 115 SAND LAKE 10050 22.6 19.6 115 21.7 15.6 139 SOUTH PASS 9040 11.2 11.2 100 12.2 12.0 102 WINDY PEAK 7900 3.5 4.4 80 5.6 6.9 81 ----- ----- Basin wide percent of average 105 112 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 10.1 7.6 133 12.1 9.7 125 DIVIDE PEAK 8860 12.3 12.8 96 15.4 13.5 114 OLD BATTLE 9920 26.0 19.6 133 29.8 22.0 135 SANDSTONE RS 8150 10.4 9.4 111 15.9 12.3 129 WHISKEY PARK 8950 24.8 18.0 138 25.4 19.0 134 ----- ----- Basin wide percent of average 124 129 UPPER GREEN RIVER BIG SANDY OPENING 9080 10.8 9.3 116 11.3 8.8 128 BLIND BULL SUM 8900 -M 18.1 * 15.6 15.1 103 EAST RIM DIVIDE 7930 7.7 8.3 93 8.3 8.0 104 ELKHART PARK G.S. 9400 9.6 8.6 112 10.3 8.8 117 GROS VENTRE SUMMIT 8750 8.6 9.3 92 9.4 8.6 109 KENDALL R.S. 7740 10.2 9.6 106 11.2 9.5 118 LOOMIS PARK 8240 13.1 11.0 119 13.9 11.6 120 NEW FORK LAKE 8340 7.3 7.5 97 7.4 7.8 95 SNIDER BASIN 8060 12.3 9.6 128 12.2 10.9 112 SPRING CREEK DIVIDE 9000 22.4 17.1 131 17.1 18.0 95 TRIPLE PEAK 8500 21.3 16.3 131 22.2 15.9 140 ----- ----- Basin wide percent of average 116 113 LOWER GREEN RIVER HAMS FORK 7840 10.7 8.2 130 10.0 8.2 122 HEWINTA 9500 7.6 6.5 117 10.4 9.2 113 HICKERSON PARK 9100 2.5 4.3 58 4.8 5.1 94 HOLE-IN-ROCK 9150 4.9 4.0 123 5.5 4.7 117 INDIAN CREEK 9425 21.8 17.3 126 18.9 16.5 115 KELLEY R.S. 8180 14.8 10.5 141 16.3 13.7 119 STEEL CREEK PARK 10100 10.4 9.2 113 11.7 9.9 118 ----- ----- Basin wide percent of average 121 115 UPPER BEAR RIVER BUG LAKE 7950 17.1 12.9 133 15.8 12.7 124 HAYDEN FORK 9100 14.2 9.6 148 16.8 13.4 125 KELLEY R.S. 8180 14.8 10.5 141 16.3 13.7 119 LILY LAKE 9050 9.9 8.0 124 11.6 11.3 103 MONTE CRISTO 8960 22.1 17.7 125 21.5 16.4 131 SALT RIVER SUMMIT 7600 11.3 9.0 126 14.0 12.4 113 TRIAL LAKE 9960 20.8 15.4 135 20.8 15.5 134 ----- ----- Basin wide percent of average 133 122 ----------------------------------------------------------------------------- -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.