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: JANUARY 7 , 2006 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 11.0 9.1 121 14.9 11.3 132 COTTONWOOD CREEK 7600 14.2 10.6 134 17.2 14.5 119 GRANITE CREEK 6770 11.5 8.5 135 14.3 10.3 139 GRASSY LAKE 7265 18.5 16.3 113 23.4 18.8 124 GROS VENTRE SUMMIT 8750 7.2 7.5 96 8.1 6.8 119 LEWIS LAKE DIVIDE 7850 20.8 16.4 127 23.7 18.9 125 PHILLIPS BENCH 8200 17.7 13.8 128 19.1 14.7 130 SALT RIVER SUMMIT 7600 9.0 6.1 148 11.3 9.7 116 SNAKE RIVER STATION 6920 10.3 8.8 117 15.5 11.9 130 SPRING CREEK DIVIDE 9000 17.4 13.4 130 16.7 14.0 119 THUMB DIVIDE 7980 9.9 8.4 118 11.6 9.8 118 TOGWOTEE PASS 9580 14.4 12.7 113 15.2 12.9 118 TWO OCEAN PLATEAU 9240 20.6 14.6 141 16.0 14.5 110 WILLOW CREEK 8450 17.3 15.5 112 21.8 16.7 131 ----- ----- Basin wide percent of average 124 124 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 13.3 12.5 106 11.2 10.8 104 BLACK BEAR 8170 26.8 19.0 141 -M 19.2 * CANYON 8090 7.9 6.7 118 10.4 8.4 124 FISHER CREEK 9100 22.4 18.0 124 21.8 18.6 117 MADISON PLATEAU 7750 14.3 12.3 116 -M 13.4 * NORTHEAST ENTRANCE 7350 5.0 5.6 89 7.4 6.9 107 PARKER PEAK 9400 11.0 11.5 96 10.6 8.8 120 SYLVAN LAKE 8420 9.6 11.4 84 13.3 11.7 114 THUMB DIVIDE 7980 9.9 8.4 118 11.6 9.8 118 TWO OCEAN PLATEAU 9240 20.6 14.6 141 16.0 14.5 110 WHISKEY CREEK 6800 8.2 8.2 100 13.8 10.7 129 WHITE MILL 8700 14.0 12.3 114 13.8 13.9 99 WOLVERINE 7650 5.4 6.4 84 5.1 7.4 69 ----- ----- Basin wide percent of average 115 111 WIND RIVER BURROUGHS CREEK 8750 -M 7.5 * 9.9 8.6 115 COLD SPRINGS 9630 2.7 4.9 55 5.1 6.0 85 DEER PARK 9700 9.9 7.7 129 12.2 11.6 105 HOBBS PARK 10100 5.5 8.1 68 6.6 6.7 99 LITTLE WARM 9370 4.9 5.9 83 7.0 7.2 97 SOUTH PASS 9040 9.2 8.8 105 10.3 9.8 105 ST. LAWRENCE ALT 8620 1.5 4.0 38 3.7 4.8 77 TOGWOTEE PASS 9580 14.4 12.7 113 15.2 12.9 118 TOWNSEND CREEK 8700 3.2 4.7 68 5.8 6.3 92 ----- ----- Basin wide percent of average 90 103 BIGHORN BASIN BALD MTN. 9380 8.6 10.6 81 7.0 9.1 77 BEAR TRAP MEADOW 8200 3.0 2.8 107 4.7 4.7 100 BLACKWATER 9780 12.0 12.9 93 10.8 11.5 94 BONE SPRINGS DIV 9350 7.6 8.4 90 7.7 7.7 100 EVENING STAR 9200 13.8 15.0 92 16.1 13.9 116 GRAVE SPRINGS 8550 4.6 4.4 105 6.9 5.2 133 KIRWIN 9550 6.2 6.3 98 6.8 6.2 110 MARQUETTE 8760 1.1 5.2 21 5.1 5.5 93 MIDDLE POWDER 7760 6.8 5.8 117 6.3 7.1 89 OWL CREEK 8975 1.3 2.8 46 3.8 3.1 123 POWDER RIVER PASS 9480 5.1 5.7 89 6.8 6.4 106 SHELL CREEK 9580 7.0 7.9 89 6.5 7.2 90 SYLVAN LAKE 8420 9.6 11.4 84 13.3 11.7 114 SYLVAN ROAD 7120 5.6 6.8 82 10.0 10.7 93 TIMBER CREEK 7950 1.1 3.1 35 3.0 3.9 77 YOUNTS PEAK 8350 -M 8.7 * 11.2 8.8 127 ----- ----- Basin wide percent of average 86 103 SHOSHONE RIVER BLACKWATER 9780 12.0 12.9 93 10.8 11.5 94 EVENING STAR 9200 13.8 15.0 92 16.1 13.9 116 KIRWIN 9550 6.2 6.3 98 6.8 6.2 110 MARQUETTE 8760 1.1 5.2 21 5.1 5.5 93 SYLVAN LAKE 8420 9.6 11.4 84 13.3 11.7 114 SYLVAN ROAD 7120 5.6 6.8 82 10.0 10.7 93 YOUNTS PEAK 8350 -M 8.7 * 11.2 8.8 127 ----- ----- Basin wide percent of average 84 107 POWDER-TONGUE BEAR TRAP MEADOW 8200 3.0 2.8 107 4.7 4.7 100 BIG GOOSE 7990 3.3 4.7 70 5.5 4.7 117 BONE SPRINGS DIV 9350 7.6 8.4 90 7.7 7.7 100 BURGESS JUNCTION 7880 5.6 5.9 95 7.1 6.4 111 CLOUD PEAK RESERVOIR 9860 6.6 6.2 106 7.0 6.7 104 DOME LAKE 8880 5.9 6.5 91 6.5 7.2 90 GRAVE SPRINGS 8550 4.6 4.4 105 6.9 5.2 133 HANSEN SAWMILL 8360 2.0 3.5 57 3.9 4.5 87 MIDDLE POWDER 7760 6.8 5.8 117 6.3 7.1 89 POWDER RIVER PASS 9480 5.1 5.7 89 6.8 6.4 106 SUCKER CREEK 8880 5.8 5.6 104 8.4 7.1 118 TIE CREEK 6870 3.1 2.9 107 6.6 5.4 122 ----- ----- Basin wide percent of average 95 106 BELLE FOURCHE BLIND PARK 6890 4.5 3.9 115 6.6 6.5 102 COLE CANYON 5910 3.0 3.2 94 5.1 -M * NORTH RAPID CREEK 6130 3.8 3.6 106 5.1 5.5 93 ----- ----- Basin wide percent of average 106 98 UPPER N. PLATTE RIVER COLUMBINE 9160 17.6 11.2 157 20.7 12.5 166 DIVIDE PEAK 8860 10.0 10.0 100 13.3 10.7 124 ELK RIVER 8700 10.5 8.2 128 12.8 9.6 133 JOE WRIGHT 10120 13.4 10.5 128 17.1 12.7 135 NORTH FRENCH CREEK 10130 20.0 14.4 139 20.3 12.9 157 OLD BATTLE 9920 21.5 15.6 138 25.1 17.2 146 SAGE CREEK BASIN 7850 6.3 5.8 109 9.0 6.2 145 SOUTH BRUSH CREEK 8440 7.5 5.5 136 11.3 8.4 135 TOWER 10500 30.0 22.4 134 28.8 19.4 148 WEBBER SPRINGS 9250 -M 12.4 * -M 14.0 * WILLOW CREEK PASS 9540 6.4 5.9 108 8.5 6.8 125 ----- ----- Basin wide percent of average 131 143 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10220 13.8 11.7 118 11.6 10.9 106 CASPER MTN. 7850 6.4 7.3 88 8.8 7.5 117 DEADMAN HILL 10220 9.0 8.2 110 10.6 8.4 126 DEER PARK 9700 9.9 7.7 129 12.2 11.6 105 LAPRELE CREEK 8375 4.1 5.7 72 5.3 6.6 80 RENO HILL 8500 7.0 7.0 100 8.7 7.6 114 ROACH 9700 9.0 8.0 112 12.1 9.1 133 SAND LAKE 10050 19.1 15.9 120 18.8 12.4 152 SOUTH PASS 9040 9.2 8.8 105 10.3 9.8 105 WINDY PEAK 7900 2.9 3.7 78 4.7 5.8 81 ----- ----- Basin wide percent of average 108 115 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 7.7 4.8 160 10.6 7.6 139 DIVIDE PEAK 8860 10.0 10.0 100 13.3 10.7 124 OLD BATTLE 9920 21.5 15.6 138 25.1 17.2 146 SANDSTONE RS 8150 8.3 6.2 134 13.7 9.6 143 WHISKEY PARK 8950 19.1 12.5 153 21.6 14.4 150 ----- ----- Basin wide percent of average 136 142 UPPER GREEN RIVER BIG SANDY OPENING 9080 8.6 7.4 116 9.3 7.1 131 BLIND BULL SUM 8900 14.8 14.3 103 12.4 11.9 104 EAST RIM DIVIDE 7930 6.1 6.4 95 6.9 6.2 111 ELKHART PARK G.S. 9400 8.4 6.8 124 9.2 7.1 130 GROS VENTRE SUMMIT 8750 7.2 7.5 96 8.1 6.8 119 KENDALL R.S. 7740 7.9 7.3 108 9.1 7.4 123 LOOMIS PARK 8240 10.6 8.6 123 11.4 9.0 127 NEW FORK LAKE 8340 6.1 5.8 105 6.5 6.3 103 SNIDER BASIN 8060 10.0 7.5 133 10.1 8.5 119 SPRING CREEK DIVIDE 9000 17.4 13.4 130 16.7 14.0 119 TRIPLE PEAK 8500 16.2 12.8 127 17.2 12.2 141 ----- ----- Basin wide percent of average 116 121 LOWER GREEN RIVER HAMS FORK 7840 7.8 6.1 128 7.9 6.3 125 HEWINTA 9500 5.7 4.6 124 8.3 7.4 112 HICKERSON PARK 9100 1.6 3.2 50 3.9 4.4 89 HOLE-IN-ROCK 9150 4.3 3.0 143 4.5 4.1 110 INDIAN CREEK 9425 16.7 13.5 124 14.9 13.1 114 KELLEY R.S. 8180 11.0 8.2 134 12.4 10.8 115 STEEL CREEK PARK 10100 8.0 7.2 111 9.5 8.1 117 ----- ----- Basin wide percent of average 120 113 UPPER BEAR RIVER BUG LAKE 7950 12.4 9.2 135 12.1 9.9 122 HAYDEN FORK 9100 11.3 7.0 161 14.2 10.7 133 KELLEY R.S. 8180 11.0 8.2 134 12.4 10.8 115 LILY LAKE 9050 7.5 6.0 125 9.1 9.2 99 MONTE CRISTO 8960 16.6 12.4 134 17.5 13.0 135 SALT RIVER SUMMIT 7600 9.0 6.1 148 11.3 9.7 116 TRIAL LAKE 9960 17.7 11.5 154 17.6 12.1 145 ----- ----- Basin wide percent of average 142 125 ----------------------------------------------------------------------------- -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.