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 WEDNESDAY: JANUARY 9 , 2008 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 8.7 9.4 93 15.2 11.6 131 COTTONWOOD CREEK 7670 9.3 10.9 85 12.4 15.1 82 GRAND TARGHEE 9260 24.2 -M * 18.1 -M * GRANITE CREEK 6770 7.1 8.9 80 12.9 10.7 121 GRASSY LAKE 7265 13.8 16.8 82 21.7 19.6 111 GROS VENTRE SUMMIT 8750 7.4 7.6 97 8.6 7.0 123 GUNSIGHT PASS 9820 4.8 -M * 8.5 -M * LEWIS LAKE DIVIDE 7850 15.6 16.8 93 21.7 19.6 111 PHILLIPS BENCH 8200 13.2 14.2 93 17.3 15.2 114 SALT RIVER SUMMIT 7760 4.5 6.3 71 6.8 10.1 67 SNAKE RIVER STATION 6920 7.4 9.0 82 15.2 12.3 124 SPRING CREEK DIVIDE 9000 9.5 13.8 69 10.4 14.6 71 THUMB DIVIDE 7980 7.8 8.7 90 11.4 10.1 113 TOGWOTEE PASS 9580 14.3 13.0 110 16.2 13.4 121 TWO OCEAN PLATEAU 9240 20.0 14.9 134 17.7 14.9 119 WILLOW CREEK 8380 12.1 15.9 76 17.9 17.3 103 ----- ----- Basin wide percent of average 91 107 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9360 13.8 12.7 109 13.2 11.1 119 BLACK BEAR 8170 23.4 19.5 120 24.4 19.9 123 CANYON 7870 8.3 6.9 120 11.5 8.6 134 FISHER CREEK 9100 22.8 18.3 125 20.9 19.2 109 MADISON PLATEAU 7750 14.4 12.6 114 18.2 13.7 133 NORTHEAST ENTRANCE 7350 3.4 5.7 60 7.6 7.1 107 PARKER PEAK 9400 13.5 11.7 115 13.4 8.9 151 SYLVAN LAKE 8420 10.4 11.7 89 14.9 12.0 124 THUMB DIVIDE 7980 7.8 8.7 90 11.4 10.1 113 TWO OCEAN PLATEAU 9240 20.0 14.9 134 17.7 14.9 119 WHISKEY CREEK 6800 8.7 8.5 102 14.5 11.0 132 WHITE MILL 8700 14.1 12.5 113 14.7 14.2 104 WOLVERINE 7650 4.1 6.5 63 7.9 7.6 104 ----- ----- Basin wide percent of average 110 120 WIND RIVER BURROUGHS CREEK 8750 8.8 7.7 114 11.5 8.9 129 COLD SPRINGS 9630 2.9 4.9 59 5.7 6.1 93 DEER PARK 9700 7.3 7.3 100 11.0 11.9 92 HOBBS PARK 10100 6.3 8.1 78 7.6 6.9 110 LITTLE WARM 9370 5.0 6.0 83 7.8 7.4 105 SOUTH PASS 9040 6.4 8.9 72 9.2 9.9 93 ST. LAWRENCE ALT 8620 2.9 4.0 72 4.7 4.9 96 TOGWOTEE PASS 9580 14.3 13.0 110 16.2 13.4 121 TOWNSEND CREEK 8700 3.5 4.7 74 6.5 6.3 103 ----- ----- Basin wide percent of average 89 106 BIGHORN BASIN BALD MTN. 9380 7.5 10.8 69 8.7 9.4 93 BEAR TRAP MEADOW 8200 4.6 2.8 164 5.7 4.7 121 BLACKWATER 9780 13.2 13.1 101 12.7 11.7 109 BONE SPRINGS DIV 9350 7.6 8.6 88 8.2 7.9 104 EVENING STAR 9200 15.1 15.3 99 17.7 14.3 124 GRAVE SPRINGS 8550 4.0 4.6 87 5.5 5.3 104 KIRWIN 9550 7.3 6.4 114 8.8 6.4 138 MARQUETTE 8760 1.7 5.2 33 6.3 5.5 115 MIDDLE POWDER 7760 4.8 5.9 81 5.2 7.2 72 OWL CREEK 8975 2.8 2.8 100 4.4 3.1 142 POWDER RIVER PASS 9480 5.9 5.8 102 7.8 6.6 118 SHELL CREEK 9580 8.3 8.0 104 8.7 7.3 119 SYLVAN LAKE 8420 10.4 11.7 89 14.9 12.0 124 SYLVAN ROAD 7120 4.9 6.9 71 12.9 11.0 117 TIMBER CREEK 7950 1.7 3.1 55 5.7 3.9 146 YOUNTS PEAK 8350 8.7 9.0 97 10.9 9.1 120 ----- ----- Basin wide percent of average 90 115 SHOSHONE RIVER BLACKWATER 9780 13.2 13.1 101 12.7 11.7 109 EVENING STAR 9200 15.1 15.3 99 17.7 14.3 124 KIRWIN 9550 7.3 6.4 114 8.8 6.4 138 MARQUETTE 8760 1.7 5.2 33 6.3 5.5 115 SYLVAN LAKE 8420 10.4 11.7 89 14.9 12.0 124 SYLVAN ROAD 7120 4.9 6.9 71 12.9 11.0 117 YOUNTS PEAK 8350 8.7 9.0 97 10.9 9.1 120 ----- ----- Basin wide percent of average 91 120 POWDER-TONGUE BEAR TRAP MEADOW 8200 4.6 2.8 164 5.7 4.7 121 BIG GOOSE 7990 4.2 4.8 88 7.2 4.7 153 BONE SPRINGS DIV 9350 7.6 8.6 88 8.2 7.9 104 BURGESS JUNCTION 7880 5.2 6.0 87 7.3 6.6 111 CLOUD PEAK RESERVOIR 9860 6.9 6.3 110 8.6 6.9 125 DOME LAKE 8880 5.1 6.5 78 8.5 7.3 116 GRAVE SPRINGS 8550 4.0 4.6 87 5.5 5.3 104 HANSEN SAWMILL 8360 3.5 3.4 103 5.6 4.5 124 MIDDLE POWDER 7760 4.8 5.9 81 5.2 7.2 72 POWDER RIVER PASS 9480 5.9 5.8 102 7.8 6.6 118 SUCKER CREEK 8880 5.6 5.7 98 7.6 7.2 106 TIE CREEK 6870 2.2 3.0 73 6.1 5.5 111 ----- ----- Basin wide percent of average 94 112 BELLE FOURCHE BLIND PARK 6890 2.3 4.1 56 4.5 6.6 68 COLE CANYON 5910 1.7 3.6 47 3.2 4.1 78 NORTH RAPID CREEK 6130 2.8 3.7 76 3.6 5.6 64 ----- ----- Basin wide percent of average 60 69 UPPER N. PLATTE RIVER COLUMBINE 9160 9.8 11.6 84 13.0 12.9 101 DIVIDE PEAK 8880 11.3 10.3 110 11.9 11.1 107 ELK RIVER 8700 9.6 8.5 113 11.7 9.9 118 JOE WRIGHT 10120 11.2 10.7 105 13.7 13.1 105 NORTH FRENCH CREEK 10130 13.8 14.8 93 14.7 13.2 111 OLD BATTLE 10000 15.1 16.0 94 18.5 17.8 104 SAGE CREEK BASIN 7850 8.4 6.0 140 9.7 6.4 152 SOUTH BRUSH CREEK 8440 6.4 5.7 112 9.8 8.6 114 TOWER 10500 17.0 23.0 74 19.6 19.9 98 WEBBER SPRINGS 9250 11.6 12.6 92 14.6 14.5 101 WILLOW CREEK PASS 9540 8.5 6.1 139 9.1 6.9 132 ----- ----- Basin wide percent of average 98 109 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 10.0 12.0 83 11.0 11.3 97 CASPER MTN. 7900 5.2 7.5 69 7.8 7.6 103 DEADMAN HILL 10220 8.8 8.4 105 8.9 8.6 103 DEER PARK 9700 7.3 7.3 100 11.0 11.9 92 LAPRELE CREEK 8375 2.4 5.9 41 5.2 6.7 78 RENO HILL 8400 5.7 7.1 80 7.6 7.7 99 ROACH 9700 10.1 8.2 123 12.2 9.4 130 SAND LAKE 10050 13.1 16.3 80 13.7 12.8 107 SOUTH PASS 9040 6.4 8.9 72 9.2 9.9 93 WINDY PEAK 7900 3.2 3.7 86 5.0 6.0 83 ----- ----- Basin wide percent of average 85 100 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 6.7 5.1 131 9.1 7.9 115 DIVIDE PEAK 8880 11.3 10.3 110 11.9 11.1 107 OLD BATTLE 10000 15.1 16.0 94 18.5 17.8 104 SANDSTONE RS 8150 7.0 6.4 109 10.7 9.9 108 WHISKEY PARK 8950 12.5 12.9 97 16.3 14.9 109 ----- ----- Basin wide percent of average 104 108 UPPER GREEN RIVER BIG SANDY OPENING 9080 6.6 7.6 87 7.2 7.2 100 BLIND BULL SUM 8650 10.6 14.6 73 9.5 12.3 77 EAST RIM DIVIDE 7930 3.1 6.6 47 5.7 6.4 89 ELKHART PARK G.S. 9400 5.0 7.0 71 6.4 7.3 88 GROS VENTRE SUMMIT 8750 7.4 7.6 97 8.6 7.0 123 GUNSIGHT PASS 9820 4.8 -M * 8.5 -M * KENDALL R.S. 7740 4.7 7.5 63 6.9 7.7 90 LOOMIS PARK 8240 6.7 8.9 75 8.4 9.3 90 NEW FORK LAKE 8340 3.9 6.0 65 4.9 6.5 75 SNIDER BASIN 8060 4.5 7.6 59 6.2 8.9 70 SPRING CREEK DIVIDE 9000 9.5 13.8 69 10.4 14.6 71 TRIPLE PEAK 8500 9.7 13.2 73 12.8 12.6 102 ----- ----- Basin wide percent of average 71 87 LOWER GREEN RIVER HAMS FORK 7840 4.1 6.2 66 4.9 6.5 75 HEWINTA 9519 4.3 4.7 91 8.9 7.6 117 HICKERSON PARK 9145 2.5 3.3 76 5.2 4.4 118 HOLE-IN-ROCK 9150 2.1 3.0 70 5.5 4.1 134 INDIAN CREEK 9425 9.6 13.9 69 9.4 13.5 70 KELLEY R.S. 8180 6.1 8.4 73 8.6 11.3 76 STEEL CREEK PARK 10200 5.7 7.3 78 9.7 8.2 118 ----- ----- Basin wide percent of average 74 94 UPPER BEAR RIVER BUG LAKE 7950 7.0 9.6 73 8.2 10.2 80 HAYDEN FORK 9212 7.8 7.2 108 11.2 11.0 102 KELLEY R.S. 8180 6.1 8.4 73 8.6 11.3 76 LILY LAKE 9156 5.5 6.2 89 8.9 9.4 95 MONTE CRISTO 8960 12.2 12.8 95 13.2 13.4 99 SALT RIVER SUMMIT 7760 4.5 6.3 71 6.8 10.1 67 TRIAL LAKE 9992 8.7 11.8 74 10.7 12.5 86 ----- ----- Basin wide percent of average 83 87 ----------------------------------------------------------------------------- -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 1961-90. 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.