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 23 , 2006 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 14.8 11.4 130 18.7 13.6 138 COTTONWOOD CREEK 7600 18.3 12.9 142 21.1 17.2 123 GRANITE CREEK 6770 14.7 11.0 134 17.2 12.5 138 GRASSY LAKE 7265 24.9 20.6 121 29.5 22.8 129 GROS VENTRE SUMMIT 8750 8.4 8.8 95 9.2 8.0 115 LEWIS LAKE DIVIDE 7850 28.1 20.7 136 28.8 22.8 126 PHILLIPS BENCH 8200 21.7 16.8 129 23.0 17.8 129 SALT RIVER SUMMIT 7600 10.6 8.1 131 13.2 11.6 114 SNAKE RIVER STATION 6920 14.2 11.2 127 19.0 14.3 133 SPRING CREEK DIVIDE 9000 21.4 16.0 134 17.1 16.8 102 THUMB DIVIDE 7980 12.5 10.6 118 13.6 11.7 116 TOGWOTEE PASS 9580 17.0 15.4 110 17.9 15.4 116 TWO OCEAN PLATEAU 9240 25.6 17.4 147 20.7 17.0 122 WILLOW CREEK 8450 22.3 18.5 121 26.7 20.0 134 ----- ----- Basin wide percent of average 128 124 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 15.6 15.0 104 13.4 12.8 105 BLACK BEAR 8170 33.7 23.4 144 -M 23.6 * CANYON 8090 10.1 8.2 123 12.6 9.9 127 FISHER CREEK 9100 27.2 21.9 124 -M 22.4 * MADISON PLATEAU 7750 17.9 14.9 120 22.7 16.0 142 NORTHEAST ENTRANCE 7350 6.3 7.0 90 8.7 8.2 106 PARKER PEAK 9400 13.0 13.6 96 12.1 10.3 117 SYLVAN LAKE 8420 11.9 13.9 86 15.9 13.7 116 THUMB DIVIDE 7980 12.5 10.6 118 13.6 11.7 116 TWO OCEAN PLATEAU 9240 25.6 17.4 147 20.7 17.0 122 WHISKEY CREEK 6800 10.6 10.1 105 16.4 12.7 129 WHITE MILL 8700 17.1 14.9 115 16.2 16.7 97 WOLVERINE 7650 6.8 7.9 86 6.0 8.6 70 ----- ----- Basin wide percent of average 116 115 WIND RIVER BURROUGHS CREEK 8750 9.1 9.3 98 11.2 10.3 109 COLD SPRINGS 9630 3.2 5.6 57 5.7 6.7 85 DEER PARK 9700 11.2 10.3 109 14.2 13.5 105 HOBBS PARK 10100 6.8 9.3 73 7.5 7.7 97 LITTLE WARM 9370 5.7 7.2 79 8.0 8.4 95 SOUTH PASS 9040 10.7 10.5 102 11.9 11.3 105 ST. LAWRENCE ALT 8620 1.5 4.5 33 3.9 5.4 72 TOGWOTEE PASS 9580 17.0 15.4 110 17.9 15.4 116 TOWNSEND CREEK 8700 3.4 5.3 64 6.5 6.9 94 ----- ----- Basin wide percent of average 89 101 BIGHORN BASIN BALD MTN. 9380 10.0 12.5 80 7.8 10.8 72 BEAR TRAP MEADOW 8200 3.5 3.2 109 5.4 5.2 104 BLACKWATER 9780 15.0 15.3 98 13.5 13.2 102 BONE SPRINGS DIV 9350 8.5 9.9 86 8.2 8.9 92 EVENING STAR 9200 16.9 18.2 93 19.1 16.3 117 GRAVE SPRINGS 8550 5.9 5.3 111 8.2 6.0 137 KIRWIN 9550 6.9 7.3 95 7.4 7.1 104 MARQUETTE 8760 1.3 5.6 23 5.4 5.9 92 MIDDLE POWDER 7760 8.3 6.7 124 7.3 7.9 92 OWL CREEK 8975 1.5 3.2 47 3.4 3.5 97 POWDER RIVER PASS 9480 6.0 6.7 90 7.4 7.6 97 SHELL CREEK 9580 8.0 9.2 87 7.7 8.5 91 SYLVAN LAKE 8420 11.9 13.9 86 15.9 13.7 116 SYLVAN ROAD 7120 7.4 8.2 90 11.8 12.4 95 TIMBER CREEK 7950 .8 3.4 24 3.3 4.3 77 YOUNTS PEAK 8350 -M 10.8 * 12.5 10.5 119 ----- ----- Basin wide percent of average 87 102 SHOSHONE RIVER BLACKWATER 9780 15.0 15.3 98 13.5 13.2 102 EVENING STAR 9200 16.9 18.2 93 19.1 16.3 117 KIRWIN 9550 6.9 7.3 95 7.4 7.1 104 MARQUETTE 8760 1.3 5.6 23 5.4 5.9 92 SYLVAN LAKE 8420 11.9 13.9 86 15.9 13.7 116 SYLVAN ROAD 7120 7.4 8.2 90 11.8 12.4 95 YOUNTS PEAK 8350 -M 10.8 * 12.5 10.5 119 ----- ----- Basin wide percent of average 87 108 POWDER-TONGUE BEAR TRAP MEADOW 8200 3.5 3.2 109 5.4 5.2 104 BIG GOOSE 7990 3.6 5.6 64 5.7 5.4 106 BONE SPRINGS DIV 9350 8.5 9.9 86 8.2 8.9 92 BURGESS JUNCTION 7880 6.0 6.9 87 7.5 7.4 101 CLOUD PEAK RESERVOIR 9860 7.8 7.5 104 7.5 7.7 97 DOME LAKE 8880 6.4 7.4 86 7.2 8.2 88 GRAVE SPRINGS 8550 5.9 5.3 111 8.2 6.0 137 HANSEN SAWMILL 8360 2.1 3.9 54 3.9 5.0 78 MIDDLE POWDER 7760 8.3 6.7 124 7.3 7.9 92 POWDER RIVER PASS 9480 6.0 6.7 90 7.4 7.6 97 SUCKER CREEK 8880 6.5 6.7 97 9.0 8.2 110 TIE CREEK 6870 3.2 3.7 86 7.0 6.3 111 ----- ----- Basin wide percent of average 92 101 BELLE FOURCHE BLIND PARK 6890 4.6 4.8 96 6.9 7.3 95 COLE CANYON 5910 2.8 3.7 76 5.6 -M * NORTH RAPID CREEK 6130 3.7 4.5 82 5.2 6.0 87 ----- ----- Basin wide percent of average 85 91 UPPER N. PLATTE RIVER COLUMBINE 9160 20.6 14.5 142 22.2 15.2 146 DIVIDE PEAK 8860 11.6 12.0 97 14.8 12.6 117 ELK RIVER 8700 13.0 10.8 120 14.6 11.6 126 JOE WRIGHT 10120 15.1 12.7 119 18.5 15.0 123 NORTH FRENCH CREEK 10130 22.8 17.0 134 22.8 15.1 151 OLD BATTLE 9920 24.8 18.4 135 28.2 20.5 138 SAGE CREEK BASIN 7850 7.4 6.9 107 10.2 7.3 140 SOUTH BRUSH CREEK 8440 8.4 6.7 125 12.0 10.0 120 TOWER 10500 35.2 27.3 129 29.0 23.2 125 WEBBER SPRINGS 9250 -M 14.7 * -M 16.5 * WILLOW CREEK PASS 9540 7.5 6.9 109 9.3 7.7 121 ----- ----- Basin wide percent of average 125 131 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10220 15.8 14.0 113 13.2 13.1 101 CASPER MTN. 7850 9.8 8.4 117 11.8 8.4 140 DEADMAN HILL 10220 10.3 9.8 105 11.9 9.8 121 DEER PARK 9700 11.2 10.3 109 14.2 13.5 105 LAPRELE CREEK 8375 5.6 6.8 82 6.7 7.5 89 RENO HILL 8500 9.7 7.9 123 11.2 8.7 129 ROACH 9700 10.1 9.9 102 12.2 10.8 113 SAND LAKE 10050 21.7 18.5 117 20.8 14.7 141 SOUTH PASS 9040 10.7 10.5 102 11.9 11.3 105 WINDY PEAK 7900 3.5 4.2 83 5.6 6.6 85 ----- ----- Basin wide percent of average 108 114 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 9.3 6.7 139 11.5 9.1 126 DIVIDE PEAK 8860 11.6 12.0 97 14.8 12.6 117 OLD BATTLE 9920 24.8 18.4 135 28.2 20.5 138 SANDSTONE RS 8150 9.7 8.4 115 15.2 11.5 132 WHISKEY PARK 8950 23.0 16.3 141 24.8 17.6 141 ----- ----- Basin wide percent of average 127 133 UPPER GREEN RIVER BIG SANDY OPENING 9080 10.0 8.8 114 10.5 8.3 127 BLIND BULL SUM 8900 18.0 17.0 106 14.9 14.2 105 EAST RIM DIVIDE 7930 7.2 7.8 92 7.9 7.4 107 ELKHART PARK G.S. 9400 9.2 8.1 114 10.1 8.3 122 GROS VENTRE SUMMIT 8750 8.4 8.8 95 9.2 8.0 115 KENDALL R.S. 7740 9.7 9.0 108 10.9 8.9 122 LOOMIS PARK 8240 12.5 10.3 121 13.3 10.8 123 NEW FORK LAKE 8340 7.0 7.0 100 7.2 7.3 99 SNIDER BASIN 8060 11.7 9.0 130 11.6 10.2 114 SPRING CREEK DIVIDE 9000 21.4 16.0 134 17.1 16.8 102 TRIPLE PEAK 8500 19.8 15.3 129 20.7 14.7 141 ----- ----- Basin wide percent of average 115 116 LOWER GREEN RIVER HAMS FORK 7840 10.0 7.6 132 9.6 7.6 126 HEWINTA 9500 6.7 5.9 114 9.9 8.6 115 HICKERSON PARK 9100 1.8 4.0 45 4.3 4.9 88 HOLE-IN-ROCK 9150 4.1 3.7 111 5.0 4.5 111 INDIAN CREEK 9425 20.4 16.2 126 18.4 15.5 119 KELLEY R.S. 8180 13.8 9.8 141 15.3 12.8 120 STEEL CREEK PARK 10100 9.5 8.6 110 11.0 9.4 117 ----- ----- Basin wide percent of average 119 116 UPPER BEAR RIVER BUG LAKE 7950 16.3 11.8 138 15.0 11.8 127 HAYDEN FORK 9100 13.4 8.8 152 16.4 12.6 130 KELLEY R.S. 8180 13.8 9.8 141 15.3 12.8 120 LILY LAKE 9050 9.4 7.4 127 10.9 10.7 102 MONTE CRISTO 8960 20.8 16.1 129 21.1 15.4 137 SALT RIVER SUMMIT 7600 10.6 8.1 131 13.2 11.6 114 TRIAL LAKE 9960 19.7 14.2 139 20.1 14.5 139 ----- ----- Basin wide percent of average 136 125 ----------------------------------------------------------------------------- -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.