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 6 , 2014 ------------------------------------------------------------------------------ BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Median Median Current Average Avg ------------------------------------------------------------------------------ WYOMING SNAKE RIVER BASE CAMP 7030 8.6 7.8 110 9.9 10.8 92 BLACK BEAR 8170 17.0 18.8 90 16.8 19.3 87 BLIND BULL SUM 8650 10.5 9.8 107 8.6 10.0 86 COTTONWOOD CREEK 7670 9.2 8.9 103 10.8 12.1 89 EAST RIM DIVIDE 7930 5.9 4.7 126 5.4 5.9 92 GRAND TARGHEE 9260 21.5 18.7 115 15.5 16.2 96 GRANITE CREEK 6770 6.5 6.9 94 7.8 10.2 76 GRASSY LAKE 7265 12.9 14.0 92 14.8 18.4 80 GROS VENTRE SUMMIT 8750 6.8 6.5 105 6.3 6.5 97 GUNSIGHT PASS 9820 7.6 6.6 115 7.4 6.9 107 LEWIS LAKE DIVIDE 7850 10.6 14.2 75 13.1 18.1 72 PHILLIPS BENCH 8200 10.2 11.9 86 11.2 14.0 80 SALT RIVER SUMMIT 7760 5.0 5.2 96 6.9 8.1 85 SNAKE RIVER STATION 6920 6.8 7.3 93 9.3 11.9 78 SPRING CREEK DIVIDE 9000 9.6 10.7 90 10.1 11.8 86 THUMB DIVIDE 7980 5.3 6.7 79 6.1 9.5 64 TOGWOTEE PASS 9580 12.3 11.7 105 11.9 12.3 97 TWO OCEAN PLATEAU 9240 14.3 13.3 108 11.7 13.6 86 WILLOW CREEK 8380 11.8 11.8 100 15.3 16.8 91 YOUNTS PEAK 8350 -M 7.3 * -M 8.4 * ----- ----- Basin Index (%) 98 86 MADISON-GALLATIN BLACK BEAR 8170 17.0 18.8 90 16.8 19.3 87 CANYON 7870 5.8 6.0 97 7.2 8.4 86 MADISON PLATEAU 7750 9.1 10.7 85 10.4 13.4 78 WEST YELLOWSTONE 6700 5.0 5.1 98 6.0 7.6 79 WHISKEY CREEK 6800 6.4 7.4 86 8.4 10.5 80 ----- ----- Basin Index (%) 90 82 YELLOWSTONE BEARTOOTH LAKE 9360 11.4 10.6 108 9.7 9.8 99 BURNT MTN 5880 4.4 1.9 232 10.3 7.0 147 CANYON 7870 5.8 6.0 97 7.2 8.4 86 COLE CREEK 7850 9.3 6.5 143 7.0 6.6 106 EVENING STAR 9200 15.6 12.4 126 16.1 14.1 114 FISHER CREEK 9100 17.1 16.2 106 15.1 16.1 94 NORTHEAST ENTRANCE 7350 5.1 4.6 111 5.8 6.6 88 PARKER PEAK 9400 13.0 10.6 123 12.2 9.1 134 SYLVAN LAKE 8420 10.4 9.9 105 12.3 11.9 103 THUMB DIVIDE 7980 5.3 6.7 79 6.1 9.5 64 TWO OCEAN PLATEAU 9240 14.3 13.3 108 11.7 13.6 86 WHITE MILL 8700 12.7 10.8 118 10.7 12.0 89 WOLVERINE 7650 6.7 5.3 126 6.0 6.6 91 ----- ----- Basin Index (%) 114 99 WIND RIVER BURROUGHS CREEK 8750 -M 6.6 * -M 8.2 * CASTLE CREEK 8400 3.5 -M * 5.1 -M * COLD SPRINGS 9630 5.0 3.4 147 6.9 5.2 133 DEER PARK 9700 5.3 6.8 78 7.1 9.8 72 HOBBS PARK 10100 6.7 7.0 96 6.4 6.5 98 KIRWIN 9550 7.2 4.5 160 6.3 5.9 107 LITTLE WARM 9370 6.0 4.8 125 7.2 6.5 111 OWL CREEK 8975 3.7 2.7 137 3.7 3.0 123 SOUTH PASS 9040 6.0 6.9 87 6.2 8.8 70 ST. LAWRENCE ALT 8620 3.0 3.2 94 5.7 4.5 127 TOGWOTEE PASS 9580 12.3 11.7 105 11.9 12.3 97 TOWNSEND CREEK 8700 3.6 4.2 86 4.9 6.0 82 ----- ----- Basin Index (%) 107 97 BIGHORN BASIN BALD MTN. 9380 12.1 9.1 133 9.5 8.4 113 BEAR TRAP MEADOW 8200 5.1 2.6 196 5.8 4.3 135 BONE SPRINGS DIV 9350 8.9 7.7 116 7.0 7.5 93 GRAVE SPRINGS 8550 6.3 3.7 170 7.1 5.3 134 KIRWIN 9550 7.2 4.5 160 6.3 5.9 107 MARQUETTE 8760 4.6 -M * 6.1 -M * MIDDLE POWDER 7760 8.5 5.2 163 7.6 6.2 123 OWL CREEK 8975 3.7 2.7 137 3.7 3.0 123 POWDER RIVER PASS 9480 6.8 5.2 131 6.9 6.3 110 SHELL CREEK 9580 8.1 7.4 109 7.0 6.9 101 TIMBER CREEK 7950 3.6 2.2 164 5.0 4.0 125 ----- ----- Basin Index (%) 140 114 SHOSHONE RIVER BLACKWATER 9780 13.0 11.1 117 10.7 10.6 101 EVENING STAR 9200 15.6 12.4 126 16.1 14.1 114 MARQUETTE 8760 4.6 -M * 6.1 -M * SYLVAN ROAD 7120 6.3 5.9 107 9.7 9.6 101 YOUNTS PEAK 8350 -M 7.3 * -M 8.4 * ----- ----- Basin Index (%) 119 106 POWDER RIVER BEAR TRAP MEADOW 8200 5.1 2.6 196 5.8 4.3 135 CLOUD PEAK RESERVOIR 9860 8.3 6.5 128 8.4 6.5 129 GRAVE SPRINGS 8550 6.3 3.7 170 7.1 5.3 134 HANSEN SAWMILL 8360 4.4 3.2 138 5.9 4.2 140 MIDDLE POWDER 7760 8.5 5.2 163 7.6 6.2 123 POWDER RIVER PASS 9480 6.8 5.2 131 6.9 6.3 110 SOLDIER PARK 8720 3.8 -M * 5.7 -M * ----- ----- Basin Index (%) 149 127 TONGUE RIVER BIG GOOSE 7990 4.7 3.9 121 6.9 5.5 125 BONE SPRINGS DIV 9350 8.9 7.7 116 7.0 7.5 93 BURGESS JUNCTION 7880 6.3 4.9 129 7.6 6.1 125 DOME LAKE 8880 4.4 5.6 79 5.7 7.0 81 LITTLE GOOSE 8870 -M -M * -M -M * SUCKER CREEK 8880 7.9 5.5 144 8.8 7.0 126 TIE CREEK 6870 3.0 2.3 130 7.4 5.8 128 ----- ----- Basin Index (%) 118 112 BELLE FOURCHE COLE CANYON 5910 3.8 2.4 158 9.6 4.8 200 ----- ----- Basin Index (%) 158 200 CHEYENNE RIVER BASIN BLIND PARK 6890 4.9 3.6 136 10.9 6.3 173 NORTH RAPID CREEK 6130 4.7 3.3 142 10.7 5.2 206 ----- ----- Basin Index (%) 139 188 UPPER N. PLATTE ARAPAHO RIDGE 10960 11.3 10.2 111 11.3 11.5 98 BLACKHALL MTN 9820 14.9 -M * 16.0 -M * COLUMBINE 9160 11.6 9.6 121 13.5 12.3 110 DIVIDE PEAK 8880 8.6 9.2 93 12.1 11.0 110 JOE WRIGHT 10120 8.2 9.9 83 13.0 12.9 101 LAPRELE CREEK 8375 3.1 4.2 74 5.4 6.2 87 MED BOW 10500 13.0 -M * 17.1 -M * NORTH FRENCH CREEK 10130 15.4 12.5 123 16.8 13.0 129 NEVER SUMMER 10280 9.9 9.5 104 8.9 -M * OLD BATTLE 10000 14.1 13.8 102 16.0 17.4 92 RAWAH 9020 6.6 5.0 132 9.2 7.8 118 SAGE CREEK BASIN 7850 4.7 6.4 73 6.8 8.0 85 SAND LAKE 10050 14.1 12.7 111 14.1 11.9 118 SOUTH BRUSH CREEK 8440 6.6 5.3 125 8.8 7.6 116 TOWER 10500 20.0 19.2 104 21.4 19.6 109 WEBBER SPRINGS 9250 10.0 10.5 95 12.4 13.2 94 WILLOW CREEK PASS 9540 6.8 5.8 117 7.7 6.8 113 ZIRKEL 9340 12.9 11.3 114 15.1 14.6 103 ----- ----- Basin Index (%) 106 106 SWEETWATER DEER PARK 9700 5.3 6.8 78 7.1 9.8 72 LARSEN CREEK 9000 2.1 -M * 5.1 -M * SOUTH PASS 9040 6.0 6.9 87 6.2 8.8 70 ----- ----- Basin Index (%) 82 72 LOWER N. PLATTE CASPER MTN. 7900 10.0 6.3 159 9.2 7.7 119 LAPRELE CREEK 8375 3.1 4.2 74 5.4 6.2 87 RENO HILL 8400 9.4 6.1 154 10.7 7.4 145 WINDY PEAK 7900 2.9 3.2 91 5.9 5.3 111 ----- ----- Basin Index (%) 128 117 LARAMIE RIVER BROOKLYN LAKE 10240 10.7 8.7 123 11.4 9.8 116 CINNABAR PARK 9574 10.3 10.0 103 12.3 12.4 99 CROW CREEK 8330 4.0 4.8 83 6.3 5.7 111 DEADMAN HILL 10220 10.2 7.4 138 10.0 8.2 122 RAWAH 9020 6.6 5.0 132 9.2 7.8 118 ROACH 9700 8.1 7.3 111 10.1 9.4 107 ----- ----- Basin Index (%) 116 111 S. PLATTE BLACK MOUNTAIN 8920 5.9 -M * 7.0 -M * CROW CREEK 8330 4.0 4.8 83 6.3 5.7 111 DEADMAN HILL 10220 10.2 7.4 138 10.0 8.2 122 ----- ----- Basin Index (%) 116 117 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 5.6 4.7 119 9.5 7.5 127 DIVIDE PEAK 8880 8.6 9.2 93 12.1 11.0 110 ELK RIVER 8700 9.5 7.7 123 11.3 9.7 116 LITTLE SNAKE RIVER 8915 11.3 9.9 114 16.3 15.9 103 OLD BATTLE 10000 14.1 13.8 102 16.0 17.4 92 SAGE CREEK BASIN 7850 4.7 6.4 73 6.8 8.0 85 SANDSTONE RS 8150 5.7 5.1 112 9.7 9.2 105 WHISKEY PARK 8950 16.1 10.2 158 18.1 13.0 139 ----- ----- Basin Index (%) 113 109 UPPER GREEN RIVER BIG SANDY OPENING 9080 4.8 6.6 73 4.8 6.8 71 BLIND BULL SUM 8650 10.5 9.8 107 8.6 10.0 86 EAST RIM DIVIDE 7930 5.9 4.7 126 5.4 5.9 92 ELKHART PARK G.S. 9400 6.0 5.8 103 6.0 6.8 88 GROS VENTRE SUMMIT 8750 6.8 6.5 105 6.3 6.5 97 GUNSIGHT PASS 9820 7.6 6.6 115 7.4 6.9 107 KENDALL R.S. 7740 6.3 5.2 121 7.2 7.0 103 LOOMIS PARK 8240 6.6 6.9 96 8.1 8.7 93 NEW FORK LAKE 8340 4.8 4.9 98 4.6 5.5 84 POCKET CREEK 9360 4.6 -M * 4.5 -M * SNIDER BASIN 8060 5.4 5.7 95 6.0 7.1 85 SPRING CREEK DIVIDE 9000 9.6 10.7 90 10.1 11.8 86 TRIPLE PEAK 8500 9.0 9.0 100 10.8 12.0 90 ----- ----- Basin Index (%) 101 90 LOWER GREEN RIVER BLACKS FORK JCT 8870 2.6 -M * 5.5 -M * BUCK PASTURE 9700 4.7 -M * 7.4 -M * EF BLACKS FORK GS 9360 1.8 -M * 4.7 -M * HAMS FORK 7840 3.2 5.0 64 5.0 5.6 89 HEWINTA 9519 2.5 4.1 61 5.7 6.8 84 HICKERSON PARK 9145 3.9 3.0 130 5.3 5.2 102 HOLE-IN-ROCK 9150 2.8 3.1 90 5.0 4.9 102 INDIAN CREEK 9425 8.0 10.5 76 8.0 10.7 75 KELLEY R.S. 8180 5.3 6.6 80 7.1 9.0 79 SPIRIT LK 10235 5.0 -M * 7.8 -M * STEEL CREEK PARK 10200 5.5 6.4 86 7.3 7.9 92 ----- ----- Basin Index (%) 81 87 UPPER BEAR RIVER BEAR RIVER RS 8777 3.0 -M * 5.5 -M * BUG LAKE 7950 6.0 6.8 88 6.8 9.6 71 BURTS MILLER RANCH 8000 2.7 -M * 3.4 -M * CHALK CREEK #1 8993 8.5 10.3 83 9.8 12.4 79 HAYDEN FORK 9212 4.5 6.3 71 8.0 10.2 78 KELLEY R.S. 8180 5.3 6.6 80 7.1 9.0 79 LILY LAKE 9156 4.5 5.5 82 7.3 8.6 85 MONTE CRISTO 8960 8.1 11.1 73 8.5 12.7 67 SALT RIVER SUMMIT 7760 5.0 5.2 96 6.9 8.1 85 ----- ----- Basin Index (%) 81 77 ----------------------------------------------------------------------------- -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. ---------------------------------------------------------------------------- -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.