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: JANUARY 17 , 2006 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 13.3 10.6 125 17.1 12.7 135 COTTONWOOD CREEK 7600 16.7 12.1 138 19.6 16.2 121 GRANITE CREEK 6770 13.5 10.1 134 16.1 11.7 138 GRASSY LAKE 7265 22.2 19.0 117 26.8 21.3 126 GROS VENTRE SUMMIT 8750 7.8 8.4 93 8.7 7.6 114 LEWIS LAKE DIVIDE 7850 25.6 19.0 135 26.5 21.3 124 PHILLIPS BENCH 8200 20.1 15.7 128 21.5 16.6 130 SALT RIVER SUMMIT 7600 9.7 7.3 133 12.2 10.9 112 SNAKE RIVER STATION 6920 12.8 10.2 125 17.6 13.4 131 SPRING CREEK DIVIDE 9000 19.7 15.0 131 17.0 15.7 108 THUMB DIVIDE 7980 11.7 9.8 119 13.0 11.0 118 TOGWOTEE PASS 9580 16.0 14.4 111 16.8 14.5 116 TWO OCEAN PLATEAU 9240 23.9 16.4 146 19.6 16.1 122 WILLOW CREEK 8450 20.6 17.4 118 25.0 18.8 133 ----- ----- Basin wide percent of average 126 124 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 14.7 14.2 104 12.6 12.1 104 BLACK BEAR 8170 31.4 21.9 143 -M 22.0 * CANYON 8090 9.5 7.7 123 11.8 9.3 127 FISHER CREEK 9100 25.4 20.6 123 -M 21.0 * MADISON PLATEAU 7750 16.7 14.0 119 -M 15.0 * NORTHEAST ENTRANCE 7350 5.8 6.6 88 8.2 7.7 106 PARKER PEAK 9400 12.3 12.9 95 11.6 9.7 120 SYLVAN LAKE 8420 11.0 13.0 85 14.8 13.0 114 THUMB DIVIDE 7980 11.7 9.8 119 13.0 11.0 118 TWO OCEAN PLATEAU 9240 23.9 16.4 146 19.6 16.1 122 WHISKEY CREEK 6800 9.8 9.4 104 15.2 11.9 128 WHITE MILL 8700 16.0 14.1 113 15.2 15.6 97 WOLVERINE 7650 6.0 7.4 81 5.6 8.1 69 ----- ----- Basin wide percent of average 116 111 WIND RIVER BURROUGHS CREEK 8750 8.3 8.8 94 10.4 9.7 107 COLD SPRINGS 9630 3.0 5.4 56 5.5 6.4 86 DEER PARK 9700 10.7 9.4 114 13.5 12.8 105 HOBBS PARK 10100 6.4 8.9 72 7.1 7.3 97 LITTLE WARM 9370 5.2 6.7 78 7.5 7.9 95 SOUTH PASS 9040 -M 9.9 * -M 10.7 * ST. LAWRENCE ALT 8620 1.4 4.4 32 3.9 5.2 75 TOGWOTEE PASS 9580 16.0 14.4 111 16.8 14.5 116 TOWNSEND CREEK 8700 3.4 5.1 67 6.3 6.7 94 ----- ----- Basin wide percent of average 86 101 BIGHORN BASIN BALD MTN. 9380 9.7 11.9 82 7.6 10.2 75 BEAR TRAP MEADOW 8200 3.4 3.1 110 5.3 5.0 106 BLACKWATER 9780 13.8 14.4 96 12.3 12.6 98 BONE SPRINGS DIV 9350 8.2 9.5 86 8.0 8.5 94 EVENING STAR 9200 15.9 17.1 93 18.0 15.4 117 GRAVE SPRINGS 8550 5.7 5.0 114 7.9 5.7 139 KIRWIN 9550 6.5 7.0 93 6.9 6.8 101 MARQUETTE 8760 1.1 5.5 20 5.4 5.8 93 MIDDLE POWDER 7760 7.9 6.4 123 6.9 7.6 91 OWL CREEK 8975 1.3 3.0 43 3.4 3.3 103 POWDER RIVER PASS 9480 5.7 6.3 90 7.1 7.2 99 SHELL CREEK 9580 7.8 8.8 89 7.5 8.0 94 SYLVAN LAKE 8420 11.0 13.0 85 14.8 13.0 114 SYLVAN ROAD 7120 6.8 7.7 88 11.2 11.8 95 TIMBER CREEK 7950 .8 3.3 24 3.2 4.1 78 YOUNTS PEAK 8350 -M 10.1 * 11.9 9.9 120 ----- ----- Basin wide percent of average 87 102 SHOSHONE RIVER BLACKWATER 9780 13.8 14.4 96 12.3 12.6 98 EVENING STAR 9200 15.9 17.1 93 18.0 15.4 117 KIRWIN 9550 6.5 7.0 93 6.9 6.8 101 MARQUETTE 8760 1.1 5.5 20 5.4 5.8 93 SYLVAN LAKE 8420 11.0 13.0 85 14.8 13.0 114 SYLVAN ROAD 7120 6.8 7.7 88 11.2 11.8 95 YOUNTS PEAK 8350 -M 10.1 * 11.9 9.9 120 ----- ----- Basin wide percent of average 85 107 POWDER-TONGUE BEAR TRAP MEADOW 8200 3.4 3.1 110 5.3 5.0 106 BIG GOOSE 7990 3.4 5.3 64 5.6 5.1 110 BONE SPRINGS DIV 9350 8.2 9.5 86 8.0 8.5 94 BURGESS JUNCTION 7880 6.0 6.5 92 7.4 7.0 106 CLOUD PEAK RESERVOIR 9860 7.3 7.0 104 7.2 7.3 99 DOME LAKE 8880 6.2 7.1 87 7.1 7.8 91 GRAVE SPRINGS 8550 5.7 5.0 114 7.9 5.7 139 HANSEN SAWMILL 8360 2.0 3.8 53 3.8 4.8 79 MIDDLE POWDER 7760 7.9 6.4 123 6.9 7.6 91 POWDER RIVER PASS 9480 5.7 6.3 90 7.1 7.2 99 SUCKER CREEK 8880 6.3 6.3 100 8.8 7.8 113 TIE CREEK 6870 3.1 3.6 86 7.0 6.0 117 ----- ----- Basin wide percent of average 93 103 BELLE FOURCHE BLIND PARK 6890 4.5 4.6 98 6.7 7.0 96 COLE CANYON 5910 2.7 3.6 75 5.3 -M * NORTH RAPID CREEK 6130 3.6 4.1 88 5.0 5.8 86 ----- ----- Basin wide percent of average 88 91 UPPER N. PLATTE RIVER COLUMBINE 9160 19.7 13.2 149 21.6 14.2 152 DIVIDE PEAK 8860 11.1 11.3 98 14.3 11.9 120 ELK RIVER 8700 11.8 9.8 120 13.6 10.9 125 JOE WRIGHT 10120 14.3 11.9 120 17.5 14.1 124 NORTH FRENCH CREEK 10130 21.7 16.1 135 21.8 14.3 152 OLD BATTLE 9920 23.2 17.4 133 26.8 19.3 139 SAGE CREEK BASIN 7850 6.8 6.5 105 9.6 6.9 139 SOUTH BRUSH CREEK 8440 8.1 6.3 129 11.7 9.4 124 TOWER 10500 33.3 25.4 131 29.0 21.8 133 WEBBER SPRINGS 9250 -M 13.8 * -M 15.6 * WILLOW CREEK PASS 9540 7.1 6.5 109 8.8 7.4 119 ----- ----- Basin wide percent of average 126 134 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10220 14.9 13.2 113 12.5 12.3 102 CASPER MTN. 7850 9.5 8.0 119 11.6 8.1 143 DEADMAN HILL 10220 9.6 9.2 104 11.3 9.3 122 DEER PARK 9700 10.7 9.4 114 13.5 12.8 105 LAPRELE CREEK 8375 5.4 6.4 84 6.3 7.2 88 RENO HILL 8500 9.4 7.6 124 11.0 8.3 133 ROACH 9700 9.5 9.2 103 12.2 10.2 120 SAND LAKE 10050 20.9 17.5 119 20.1 13.8 146 SOUTH PASS 9040 -M 9.9 * -M 10.7 * WINDY PEAK 7900 3.3 4.0 82 5.4 6.3 86 ----- ----- Basin wide percent of average 110 118 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 8.8 6.0 147 11.0 8.5 129 DIVIDE PEAK 8860 11.1 11.3 98 14.3 11.9 120 OLD BATTLE 9920 23.2 17.4 133 26.8 19.3 139 SANDSTONE RS 8150 9.0 7.6 118 14.5 10.8 134 WHISKEY PARK 8950 30.0 14.9 201 -M 16.4 * ----- ----- Basin wide percent of average 144 132 UPPER GREEN RIVER BIG SANDY OPENING 9080 9.5 8.3 114 10.1 7.8 129 BLIND BULL SUM 8900 17.0 16.0 106 13.8 13.3 104 EAST RIM DIVIDE 7930 6.7 7.3 92 7.4 7.0 106 ELKHART PARK G.S. 9400 8.7 7.6 114 9.6 7.8 123 GROS VENTRE SUMMIT 8750 7.8 8.4 93 8.7 7.6 114 KENDALL R.S. 7740 8.8 8.4 105 10.1 8.3 122 LOOMIS PARK 8240 11.6 9.7 120 12.4 10.1 123 NEW FORK LAKE 8340 6.5 6.6 98 6.7 6.9 97 SNIDER BASIN 8060 11.0 8.4 131 10.9 9.6 114 SPRING CREEK DIVIDE 9000 19.7 15.0 131 17.0 15.7 108 TRIPLE PEAK 8500 18.2 14.4 126 19.1 13.8 138 ----- ----- Basin wide percent of average 114 117 LOWER GREEN RIVER HAMS FORK 7840 9.0 7.0 129 8.9 7.1 125 HEWINTA 9500 6.2 5.4 115 9.3 8.2 113 HICKERSON PARK 9100 1.7 3.7 46 4.1 4.7 87 HOLE-IN-ROCK 9150 4.2 3.4 124 4.8 4.4 109 INDIAN CREEK 9425 18.7 15.2 123 16.6 14.6 114 KELLEY R.S. 8180 12.4 9.2 135 13.9 12.1 115 STEEL CREEK PARK 10100 9.0 8.0 112 10.4 8.9 117 ----- ----- Basin wide percent of average 118 113 UPPER BEAR RIVER BUG LAKE 7950 14.8 10.8 137 14.0 11.1 126 HAYDEN FORK 9100 12.7 8.1 157 15.5 11.9 130 KELLEY R.S. 8180 12.4 9.2 135 13.9 12.1 115 LILY LAKE 9050 8.6 6.9 125 10.3 10.1 102 MONTE CRISTO 8960 19.4 14.7 132 19.9 14.5 137 SALT RIVER SUMMIT 7600 9.7 7.3 133 12.2 10.9 112 TRIAL LAKE 9960 18.8 13.1 144 19.2 13.6 141 ----- ----- Basin wide percent of average 138 125 ----------------------------------------------------------------------------- -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.