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: DECEMBER 27 , 2005 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 7.0 7.5 93 10.7 9.7 110 COTTONWOOD CREEK 7600 8.8 8.9 99 12.2 12.6 97 GRANITE CREEK 6770 7.1 6.9 103 10.0 8.8 114 GRASSY LAKE 7265 13.3 13.6 98 18.1 16.1 112 GROS VENTRE SUMMIT 8750 5.5 6.4 86 6.4 6.1 105 LEWIS LAKE DIVIDE 7850 13.2 13.7 96 16.9 16.3 104 PHILLIPS BENCH 8200 11.2 11.6 97 13.1 12.5 105 SALT RIVER SUMMIT 7600 5.5 5.0 110 7.5 8.4 89 SNAKE RIVER STATION 6920 6.7 7.3 92 11.8 10.3 115 SPRING CREEK DIVIDE 9000 11.1 11.6 96 11.5 12.1 95 THUMB DIVIDE 7980 7.0 7.0 100 9.0 8.5 106 TOGWOTEE PASS 9580 11.5 10.9 106 12.2 11.2 109 TWO OCEAN PLATEAU 9240 16.5 12.7 130 14.0 12.6 111 WILLOW CREEK 8450 11.4 13.2 86 16.0 14.5 110 ----- ----- Basin wide percent of average 100 106 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 10.8 10.8 100 9.0 9.3 97 BLACK BEAR 8170 18.9 16.1 117 19.8 16.5 120 CANYON 8090 6.2 5.6 111 8.5 7.3 116 FISHER CREEK 9100 18.0 15.2 118 17.7 15.9 111 MADISON PLATEAU 7750 9.7 10.4 93 13.4 11.6 116 NORTHEAST ENTRANCE 7350 4.1 4.6 89 6.3 6.0 105 PARKER PEAK 9400 9.3 10.0 93 9.2 7.8 118 SYLVAN LAKE 8420 7.6 9.9 77 11.1 10.4 107 THUMB DIVIDE 7980 7.0 7.0 100 9.0 8.5 106 TWO OCEAN PLATEAU 9240 16.5 12.7 130 14.0 12.6 111 WHISKEY CREEK 6800 5.1 6.9 74 10.0 9.3 108 WHITE MILL 8700 10.6 10.5 101 10.8 12.0 90 WOLVERINE 7650 4.4 5.3 83 4.6 6.6 70 ----- ----- Basin wide percent of average 103 107 WIND RIVER BURROUGHS CREEK 8750 -M 6.3 * 8.6 7.5 115 COLD SPRINGS 9630 2.0 4.4 45 4.4 5.5 80 DEER PARK 9700 6.0 6.4 94 7.7 10.3 75 HOBBS PARK 10100 3.6 7.3 49 5.1 6.1 84 LITTLE WARM 9370 4.0 5.0 80 6.0 6.4 94 SOUTH PASS 9040 5.6 7.8 72 6.9 8.7 79 ST. LAWRENCE ALT 8620 .8 3.7 22 3.0 4.4 68 TOGWOTEE PASS 9580 11.5 10.9 106 12.2 11.2 109 TOWNSEND CREEK 8700 2.4 4.2 57 5.0 5.8 86 ----- ----- Basin wide percent of average 72 89 BIGHORN BASIN BALD MTN. 9380 7.6 9.1 84 6.3 8.0 79 BEAR TRAP MEADOW 8200 2.6 2.5 104 4.5 4.3 105 BLACKWATER 9780 10.1 11.4 89 8.9 10.2 87 BONE SPRINGS DIV 9350 6.9 7.4 93 7.2 6.9 104 EVENING STAR 9200 10.6 12.9 82 13.2 12.2 108 GRAVE SPRINGS 8550 3.9 3.7 105 6.2 4.7 132 KIRWIN 9550 5.9 5.7 104 6.4 5.6 114 MARQUETTE 8760 1.1 4.8 23 4.1 5.1 80 MIDDLE POWDER 7760 5.7 5.2 110 6.0 6.5 92 OWL CREEK 8975 1.1 2.6 42 3.6 2.8 129 POWDER RIVER PASS 9480 4.6 5.0 92 6.4 5.7 112 SHELL CREEK 9580 6.5 6.9 94 6.2 6.3 98 SYLVAN LAKE 8420 7.6 9.9 77 11.1 10.4 107 SYLVAN ROAD 7120 4.5 5.8 78 8.8 9.5 93 TIMBER CREEK 7950 1.0 2.9 34 3.1 3.6 86 YOUNTS PEAK 8350 -M 7.4 * 9.7 7.7 126 ----- ----- Basin wide percent of average 83 102 SHOSHONE RIVER BLACKWATER 9780 10.1 11.4 89 8.9 10.2 87 EVENING STAR 9200 10.6 12.9 82 13.2 12.2 108 KIRWIN 9550 5.9 5.7 104 6.4 5.6 114 MARQUETTE 8760 1.1 4.8 23 4.1 5.1 80 SYLVAN LAKE 8420 7.6 9.9 77 11.1 10.4 107 SYLVAN ROAD 7120 4.5 5.8 78 8.8 9.5 93 YOUNTS PEAK 8350 -M 7.4 * 9.7 7.7 126 ----- ----- Basin wide percent of average 79 102 POWDER-TONGUE BEAR TRAP MEADOW 8200 2.6 2.5 104 4.5 4.3 105 BIG GOOSE 7990 3.0 4.1 73 5.1 4.3 119 BONE SPRINGS DIV 9350 6.9 7.4 93 7.2 6.9 104 BURGESS JUNCTION 7880 5.2 5.2 100 6.7 5.8 116 CLOUD PEAK RESERVOIR 9860 5.8 5.4 107 6.4 6.2 103 DOME LAKE 8880 5.5 5.8 95 6.2 6.6 94 GRAVE SPRINGS 8550 3.9 3.7 105 6.2 4.7 132 HANSEN SAWMILL 8360 1.9 3.1 61 3.7 4.1 90 MIDDLE POWDER 7760 5.7 5.2 110 6.0 6.5 92 POWDER RIVER PASS 9480 4.6 5.0 92 6.4 5.7 112 SUCKER CREEK 8880 5.1 4.9 104 7.6 6.3 121 TIE CREEK 6870 2.9 2.2 132 6.3 4.9 129 ----- ----- Basin wide percent of average 97 109 BELLE FOURCHE BLIND PARK 6890 3.7 3.2 116 5.5 5.9 93 COLE CANYON 5910 2.6 2.8 93 4.5 -M * NORTH RAPID CREEK 6130 3.3 3.0 110 4.4 5.1 86 ----- ----- Basin wide percent of average 107 90 UPPER N. PLATTE RIVER COLUMBINE 9160 14.0 9.1 154 17.4 10.7 163 DIVIDE PEAK 8860 7.8 8.5 92 11.2 9.4 119 ELK RIVER 8700 7.6 6.5 117 10.5 8.3 127 JOE WRIGHT 10120 11.8 9.1 130 14.8 11.2 132 NORTH FRENCH CREEK 10130 14.9 12.5 119 15.9 11.3 141 OLD BATTLE 9920 16.0 13.8 116 19.9 14.9 134 SAGE CREEK BASIN 7850 4.4 4.9 90 7.0 5.4 130 SOUTH BRUSH CREEK 8440 6.0 4.7 128 9.7 7.4 131 TOWER 10500 23.3 19.3 121 25.3 16.7 151 WEBBER SPRINGS 9250 -M 10.7 * -M 12.2 * WILLOW CREEK PASS 9540 6.2 5.3 117 7.8 6.1 128 ----- ----- Basin wide percent of average 120 138 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10220 10.9 10.0 109 8.6 9.5 91 CASPER MTN. 7850 4.9 6.5 75 7.7 6.9 112 DEADMAN HILL 10220 8.0 7.2 111 9.2 7.5 123 DEER PARK 9700 6.0 6.4 94 7.7 10.3 75 LAPRELE CREEK 8375 2.7 5.0 54 4.2 5.9 71 RENO HILL 8500 5.5 6.2 89 7.2 6.9 104 ROACH 9700 7.4 6.8 109 9.9 8.0 124 SAND LAKE 10050 15.0 14.0 107 15.2 10.9 139 SOUTH PASS 9040 5.6 7.8 72 6.9 8.7 79 WINDY PEAK 7900 2.2 3.3 67 4.1 5.2 79 ----- ----- Basin wide percent of average 93 101 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 5.9 3.7 159 8.9 6.7 133 DIVIDE PEAK 8860 7.8 8.5 92 11.2 9.4 119 OLD BATTLE 9920 16.0 13.8 116 19.9 14.9 134 SANDSTONE RS 8150 5.9 4.8 123 11.0 8.4 131 WHISKEY PARK 8950 13.4 10.2 131 16.3 12.3 133 ----- ----- Basin wide percent of average 120 130 UPPER GREEN RIVER BIG SANDY OPENING 9080 4.6 6.5 71 5.4 6.2 87 BLIND BULL SUM 8900 10.1 12.2 83 8.7 10.3 84 EAST RIM DIVIDE 7930 4.2 5.5 76 4.9 5.4 91 ELKHART PARK G.S. 9400 5.5 5.9 93 6.3 6.3 100 GROS VENTRE SUMMIT 8750 5.5 6.4 86 6.4 6.1 105 KENDALL R.S. 7740 5.5 6.1 90 6.7 6.4 105 LOOMIS PARK 8240 7.1 7.4 96 8.0 7.8 103 NEW FORK LAKE 8340 4.3 5.0 86 4.4 5.6 79 SNIDER BASIN 8060 6.7 6.4 105 6.8 7.4 92 SPRING CREEK DIVIDE 9000 11.1 11.6 96 11.5 12.1 95 TRIPLE PEAK 8500 10.7 11.0 97 12.4 10.4 119 ----- ----- Basin wide percent of average 90 97 LOWER GREEN RIVER HAMS FORK 7840 4.7 5.0 94 5.2 5.4 96 HEWINTA 9500 4.7 3.7 127 7.1 6.7 106 HICKERSON PARK 9100 1.4 2.7 52 3.5 4.0 88 HOLE-IN-ROCK 9150 3.6 2.5 144 4.0 3.8 105 INDIAN CREEK 9425 10.7 11.6 92 10.1 11.4 89 KELLEY R.S. 8180 6.6 7.1 93 8.2 9.4 87 STEEL CREEK PARK 10100 6.3 6.3 100 7.8 7.2 108 ----- ----- Basin wide percent of average 98 96 UPPER BEAR RIVER BUG LAKE 7950 7.9 7.6 104 8.7 8.6 101 HAYDEN FORK 9100 7.5 5.7 132 10.4 9.4 111 KELLEY R.S. 8180 6.6 7.1 93 8.2 9.4 87 LILY LAKE 9050 5.7 5.1 112 7.2 8.1 89 MONTE CRISTO 8960 11.1 10.0 111 12.1 11.3 107 SALT RIVER SUMMIT 7600 5.5 5.0 110 7.5 8.4 89 TRIAL LAKE 9960 11.5 9.7 119 12.0 10.5 114 ----- ----- Basin wide percent of average 111 101 ----------------------------------------------------------------------------- -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.