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 31 , 2006 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 16.3 12.6 129 20.3 14.8 137 COTTONWOOD CREEK 7600 20.2 14.1 143 22.8 18.5 123 GRANITE CREEK 6770 16.1 12.2 132 18.4 13.6 135 GRASSY LAKE 7265 28.1 22.7 124 32.0 24.8 129 GROS VENTRE SUMMIT 8750 9.0 9.4 96 9.6 8.6 112 LEWIS LAKE DIVIDE 7850 31.3 22.8 137 30.8 24.7 125 PHILLIPS BENCH 8200 23.5 18.3 128 24.8 19.3 128 SALT RIVER SUMMIT 7600 11.9 9.1 131 14.6 12.5 117 SNAKE RIVER STATION 6920 16.0 12.4 129 20.5 15.5 132 SPRING CREEK DIVIDE 9000 23.4 17.2 136 -M 18.1 * THUMB DIVIDE 7980 13.7 11.7 117 14.4 12.6 114 TOGWOTEE PASS 9580 18.3 16.7 110 19.3 16.6 116 TWO OCEAN PLATEAU 9240 27.6 18.8 147 21.8 18.3 119 WILLOW CREEK 8450 24.4 20.0 122 28.8 21.6 133 ----- ----- Basin wide percent of average 128 126 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 16.7 16.1 104 14.5 13.9 104 BLACK BEAR 8170 37.6 25.4 148 -M 25.8 * CANYON 8090 11.0 8.8 125 13.4 10.7 125 FISHER CREEK 9100 29.8 23.6 126 27.7 24.4 114 MADISON PLATEAU 7750 20.1 16.1 125 24.2 17.3 140 NORTHEAST ENTRANCE 7350 7.2 7.6 95 9.4 8.8 107 PARKER PEAK 9400 13.8 14.7 94 12.8 11.0 116 SYLVAN LAKE 8420 12.8 15.1 85 16.7 14.7 114 THUMB DIVIDE 7980 13.7 11.7 117 14.4 12.6 114 TWO OCEAN PLATEAU 9240 27.6 18.8 147 21.8 18.3 119 WHISKEY CREEK 6800 12.0 11.0 109 17.6 13.7 128 WHITE MILL 8700 18.8 16.0 118 17.7 18.1 98 WOLVERINE 7650 7.5 8.5 88 6.4 9.1 70 ----- ----- Basin wide percent of average 118 114 WIND RIVER BURROUGHS CREEK 8750 10.2 10.0 102 12.2 11.2 109 COLD SPRINGS 9630 3.5 6.0 58 5.9 7.1 83 DEER PARK 9700 12.5 11.5 109 15.3 14.4 106 HOBBS PARK 10100 7.1 9.7 73 7.9 8.1 98 LITTLE WARM 9370 6.2 7.7 81 8.4 9.0 93 SOUTH PASS 9040 12.0 11.3 106 13.0 12.1 107 ST. LAWRENCE ALT 8620 1.7 4.8 35 4.0 5.7 70 TOGWOTEE PASS 9580 18.3 16.7 110 19.3 16.6 116 TOWNSEND CREEK 8700 4.0 5.6 71 6.6 7.3 90 ----- ----- Basin wide percent of average 91 101 BIGHORN BASIN BALD MTN. 9380 10.2 13.4 76 8.2 11.7 70 BEAR TRAP MEADOW 8200 3.7 3.5 106 5.5 5.5 100 BLACKWATER 9780 16.2 16.5 98 14.5 14.1 103 BONE SPRINGS DIV 9350 8.7 10.5 83 8.8 9.5 93 EVENING STAR 9200 18.4 19.5 94 20.5 17.5 117 GRAVE SPRINGS 8550 6.2 5.7 109 8.2 6.4 128 KIRWIN 9550 7.2 7.7 94 7.8 7.5 104 MARQUETTE 8760 1.3 5.9 22 5.6 6.2 90 MIDDLE POWDER 7760 8.4 7.1 118 7.4 8.3 89 OWL CREEK 8975 1.6 3.4 47 3.9 3.7 105 POWDER RIVER PASS 9480 6.4 7.1 90 7.9 8.2 96 SHELL CREEK 9580 8.7 9.8 89 8.2 9.2 89 SYLVAN LAKE 8420 12.8 15.1 85 16.7 14.7 114 SYLVAN ROAD 7120 8.0 8.7 92 12.5 13.2 95 TIMBER CREEK 7950 1.0 3.6 28 3.2 4.5 71 YOUNTS PEAK 8350 10.7 11.9 90 13.3 11.3 118 ----- ----- Basin wide percent of average 87 100 SHOSHONE RIVER BLACKWATER 9780 16.2 16.5 98 14.5 14.1 103 EVENING STAR 9200 18.4 19.5 94 20.5 17.5 117 KIRWIN 9550 7.2 7.7 94 7.8 7.5 104 MARQUETTE 8760 1.3 5.9 22 5.6 6.2 90 SYLVAN LAKE 8420 12.8 15.1 85 16.7 14.7 114 SYLVAN ROAD 7120 8.0 8.7 92 12.5 13.2 95 YOUNTS PEAK 8350 10.7 11.9 90 13.3 11.3 118 ----- ----- Basin wide percent of average 87 108 POWDER-TONGUE BEAR TRAP MEADOW 8200 3.7 3.5 106 5.5 5.5 100 BIG GOOSE 7990 3.9 6.0 65 6.0 5.7 105 BONE SPRINGS DIV 9350 8.7 10.5 83 8.8 9.5 93 BURGESS JUNCTION 7880 6.3 7.3 86 7.9 7.8 101 CLOUD PEAK RESERVOIR 9860 8.0 8.0 100 8.3 8.1 102 DOME LAKE 8880 -M 7.8 * -M 8.6 * GRAVE SPRINGS 8550 6.2 5.7 109 8.2 6.4 128 HANSEN SAWMILL 8360 2.2 4.2 52 4.2 5.3 79 MIDDLE POWDER 7760 8.4 7.1 118 7.4 8.3 89 POWDER RIVER PASS 9480 6.4 7.1 90 7.9 8.2 96 SUCKER CREEK 8880 6.9 7.1 97 9.5 8.7 109 TIE CREEK 6870 3.3 4.0 82 7.2 6.7 107 ----- ----- Basin wide percent of average 91 101 BELLE FOURCHE BLIND PARK 6890 4.7 5.2 90 7.1 7.7 92 COLE CANYON 5910 2.9 4.0 72 5.8 -M * NORTH RAPID CREEK 6130 3.9 4.9 80 5.5 6.3 87 ----- ----- Basin wide percent of average 82 90 UPPER N. PLATTE RIVER COLUMBINE 9160 22.1 16.3 136 25.2 16.5 153 DIVIDE PEAK 8860 12.5 12.9 97 15.6 13.6 115 ELK RIVER 8700 14.2 12.0 118 15.4 12.6 122 JOE WRIGHT 10120 15.7 13.8 114 19.3 16.1 120 NORTH FRENCH CREEK 10130 23.7 18.2 130 23.5 16.3 144 OLD BATTLE 9920 26.2 19.8 132 30.1 22.2 136 SAGE CREEK BASIN 7850 8.2 7.4 111 11.0 7.8 141 SOUTH BRUSH CREEK 8440 8.6 7.3 118 12.6 10.8 117 TOWER 10500 37.4 29.8 126 -M 25.2 * WEBBER SPRINGS 9250 -M 15.9 * -M 17.8 * WILLOW CREEK PASS 9540 8.7 7.4 118 10.0 8.2 122 ----- ----- Basin wide percent of average 122 131 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10220 17.2 15.2 113 14.2 14.2 100 CASPER MTN. 7850 10.4 8.9 117 12.3 8.8 140 DEADMAN HILL 10220 11.0 10.5 105 12.3 10.5 117 DEER PARK 9700 12.5 11.5 109 15.3 14.4 106 LAPRELE CREEK 8375 6.1 7.2 85 7.1 8.0 89 RENO HILL 8500 10.2 8.3 123 11.7 9.2 127 ROACH 9700 10.6 10.9 97 13.6 11.6 117 SAND LAKE 10050 22.8 19.7 116 21.9 15.8 139 SOUTH PASS 9040 12.0 11.3 106 13.0 12.1 107 WINDY PEAK 7900 3.7 4.5 82 5.6 7.0 80 ----- ----- Basin wide percent of average 108 114 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 10.1 7.7 131 12.3 9.8 126 DIVIDE PEAK 8860 12.5 12.9 97 15.6 13.6 115 OLD BATTLE 9920 26.2 19.8 132 30.1 22.2 136 SANDSTONE RS 8150 10.5 9.6 109 16.0 12.4 129 WHISKEY PARK 8950 25.0 18.3 137 25.8 19.2 134 ----- ----- Basin wide percent of average 123 129 UPPER GREEN RIVER BIG SANDY OPENING 9080 11.2 9.4 119 11.7 8.9 131 BLIND BULL SUM 8900 22.5 18.2 124 16.3 15.3 107 EAST RIM DIVIDE 7930 8.0 8.4 95 8.6 8.0 108 ELKHART PARK G.S. 9400 10.0 8.7 115 10.7 8.8 122 GROS VENTRE SUMMIT 8750 9.0 9.4 96 9.6 8.6 112 KENDALL R.S. 7740 10.7 9.7 110 11.6 9.6 121 LOOMIS PARK 8240 13.6 11.1 123 14.4 11.7 123 NEW FORK LAKE 8340 7.6 7.6 100 7.7 7.8 99 SNIDER BASIN 8060 12.9 9.7 133 12.7 11.0 115 SPRING CREEK DIVIDE 9000 23.4 17.2 136 -M 18.1 * TRIPLE PEAK 8500 22.1 16.5 134 23.0 16.0 144 ----- ----- Basin wide percent of average 120 119 LOWER GREEN RIVER HAMS FORK 7840 11.2 8.3 135 10.3 8.3 124 HEWINTA 9500 7.7 6.6 117 10.5 9.2 114 HICKERSON PARK 9100 2.6 4.4 59 4.8 5.2 92 HOLE-IN-ROCK 9150 5.0 4.1 122 5.5 4.8 115 INDIAN CREEK 9425 22.7 17.4 130 19.1 16.7 114 KELLEY R.S. 8180 15.4 10.6 145 17.0 13.8 123 STEEL CREEK PARK 10100 10.5 9.3 113 11.8 10.0 118 ----- ----- Basin wide percent of average 124 116 UPPER BEAR RIVER BUG LAKE 7950 17.9 13.0 138 16.5 12.8 129 HAYDEN FORK 9100 14.4 9.7 148 17.5 13.5 130 KELLEY R.S. 8180 15.4 10.6 145 17.0 13.8 123 LILY LAKE 9050 10.0 8.1 123 11.6 11.4 102 MONTE CRISTO 8960 22.8 18.0 127 22.5 16.6 136 SALT RIVER SUMMIT 7600 11.9 9.1 131 14.6 12.5 117 TRIAL LAKE 9960 21.3 15.5 137 21.1 15.7 134 ----- ----- Basin wide percent of average 135 125 ----------------------------------------------------------------------------- -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.