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 15 , 2014 ------------------------------------------------------------------------------ BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Median Median Current Average Avg ------------------------------------------------------------------------------ WYOMING SNAKE RIVER BASE CAMP 7030 10.6 9.5 112 11.7 12.0 98 BLACK BEAR 8170 20.3 20.5 99 19.7 21.2 93 BLIND BULL SUM 8650 14.1 12.2 116 10.5 11.1 95 COTTONWOOD CREEK 7670 12.5 10.2 123 14.2 13.7 104 EAST RIM DIVIDE 7930 7.2 5.5 131 6.2 6.6 94 GRAND TARGHEE 9260 24.1 21.1 114 17.7 17.9 99 GRANITE CREEK 6770 7.8 8.4 93 9.2 11.6 79 GRASSY LAKE 7265 17.1 16.4 104 18.5 20.4 91 GROS VENTRE SUMMIT 8750 -M 7.4 * -M 7.1 * GUNSIGHT PASS 9820 8.8 7.3 121 8.5 7.7 110 LEWIS LAKE DIVIDE 7850 14.3 16.3 88 17.3 20.0 86 PHILLIPS BENCH 8200 12.8 14.5 88 13.6 15.6 87 SALT RIVER SUMMIT 7760 7.2 6.1 118 9.0 9.1 99 SNAKE RIVER STATION 6920 9.0 8.9 101 11.7 13.2 89 SPRING CREEK DIVIDE 9000 13.5 11.8 114 13.6 13.3 102 THUMB DIVIDE 7980 7.4 7.9 94 7.8 10.5 74 TOGWOTEE PASS 9580 14.8 12.9 115 14.4 13.8 104 TWO OCEAN PLATEAU 9240 18.1 15.4 118 14.4 15.1 95 WILLOW CREEK 8380 15.5 13.8 112 18.7 18.6 101 YOUNTS PEAK 8350 -M 8.3 * -M 9.2 * ----- ----- Basin Index (%) 107 94 MADISON-GALLATIN BLACK BEAR 8170 20.3 20.5 99 19.7 21.2 93 CANYON 7870 7.2 7.1 101 8.7 9.2 95 MADISON PLATEAU 7750 11.3 12.0 94 12.2 14.9 82 WEST YELLOWSTONE 6700 6.4 6.1 105 7.4 8.3 89 WHISKEY CREEK 6800 8.0 8.2 98 10.0 11.5 87 ----- ----- Basin Index (%) 99 89 YELLOWSTONE BEARTOOTH LAKE 9360 14.0 12.3 114 12.5 11.0 114 BURNT MTN 5880 5.1 2.1 243 10.7 7.3 147 CANYON 7870 7.2 7.1 101 8.7 9.2 95 COLE CREEK 7850 11.4 7.1 161 8.0 6.9 116 EVENING STAR 9200 19.8 14.0 141 20.3 15.6 130 FISHER CREEK 9100 21.3 18.0 118 18.6 17.9 104 NORTHEAST ENTRANCE 7350 6.4 5.2 123 7.1 7.2 99 PARKER PEAK 9400 16.0 11.4 140 14.7 9.9 148 SYLVAN LAKE 8420 12.5 11.1 113 14.7 13.0 113 THUMB DIVIDE 7980 7.4 7.9 94 7.8 10.5 74 TWO OCEAN PLATEAU 9240 18.1 15.4 118 14.4 15.1 95 WHITE MILL 8700 15.7 12.5 126 13.4 13.4 100 WOLVERINE 7650 8.6 5.8 148 7.2 7.2 100 ----- ----- Basin Index (%) 126 110 WIND RIVER BURROUGHS CREEK 8750 -M 7.3 * -M 9.1 * CASTLE CREEK 8400 3.9 -M * 5.6 -M * COLD SPRINGS 9630 5.4 3.9 138 7.1 5.6 127 DEER PARK 9700 5.6 7.2 78 7.5 10.8 69 HOBBS PARK 10100 7.5 7.2 104 6.8 6.9 99 KIRWIN 9550 8.1 5.2 156 7.4 6.5 114 LITTLE WARM 9370 6.7 5.5 122 8.0 7.1 113 OWL CREEK 8975 3.9 2.9 134 3.9 3.2 122 SOUTH PASS 9040 6.4 7.6 84 6.4 9.6 67 ST. LAWRENCE ALT 8620 2.9 3.4 85 5.5 4.8 115 TOGWOTEE PASS 9580 14.8 12.9 115 14.4 13.8 104 TOWNSEND CREEK 8700 3.6 4.3 84 4.8 6.4 75 ----- ----- Basin Index (%) 108 96 BIGHORN BASIN BALD MTN. 9380 14.0 9.8 143 11.0 9.4 117 BEAR TRAP MEADOW 8200 5.8 2.9 200 6.4 4.6 139 BONE SPRINGS DIV 9350 10.9 8.5 128 8.4 8.4 100 GRAVE SPRINGS 8550 7.0 4.3 163 7.7 5.8 133 KIRWIN 9550 8.1 5.2 156 7.4 6.5 114 MARQUETTE 8760 4.9 -M * 6.8 -M * MIDDLE POWDER 7760 9.8 5.9 166 8.5 6.6 129 OWL CREEK 8975 3.9 2.9 134 3.9 3.2 122 POWDER RIVER PASS 9480 8.2 5.7 144 8.7 6.9 126 SHELL CREEK 9580 9.7 8.2 118 8.2 7.6 108 TIMBER CREEK 7950 3.4 2.5 136 5.0 4.2 119 ----- ----- Basin Index (%) 145 119 SHOSHONE RIVER BLACKWATER 9780 15.7 12.9 122 13.4 11.6 116 EVENING STAR 9200 19.8 14.0 141 20.3 15.6 130 MARQUETTE 8760 4.9 -M * 6.8 -M * SYLVAN ROAD 7120 7.7 6.5 118 11.3 10.5 108 YOUNTS PEAK 8350 -M 8.3 * -M 9.2 * ----- ----- Basin Index (%) 129 119 POWDER RIVER BEAR TRAP MEADOW 8200 5.8 2.9 200 6.4 4.6 139 CLOUD PEAK RESERVOIR 9860 10.4 7.2 144 9.5 7.0 136 GRAVE SPRINGS 8550 7.0 4.3 163 7.7 5.8 133 HANSEN SAWMILL 8360 4.8 3.5 137 6.5 4.5 144 MIDDLE POWDER 7760 9.8 5.9 166 8.5 6.6 129 POWDER RIVER PASS 9480 8.2 5.7 144 8.7 6.9 126 SOLDIER PARK 8720 4.8 -M * 6.2 -M * ----- ----- Basin Index (%) 156 134 TONGUE RIVER BIG GOOSE 7990 5.3 4.3 123 7.4 5.8 128 BONE SPRINGS DIV 9350 10.9 8.5 128 8.4 8.4 100 BURGESS JUNCTION 7880 7.6 5.7 133 8.7 6.6 132 DOME LAKE 8880 5.9 6.0 98 6.3 7.5 84 LITTLE GOOSE 8870 -M -M * -M -M * SUCKER CREEK 8880 9.1 6.3 144 10.1 7.6 133 TIE CREEK 6870 3.8 2.6 146 8.3 6.4 130 ----- ----- Basin Index (%) 128 116 BELLE FOURCHE COLE CANYON 5910 4.4 2.6 169 10.2 5.1 200 ----- ----- Basin Index (%) 169 200 CHEYENNE RIVER BASIN BLIND PARK 6890 6.3 4.0 158 12.4 6.9 180 NORTH RAPID CREEK 6130 5.6 3.7 151 11.2 5.6 200 ----- ----- Basin Index (%) 155 189 UPPER N. PLATTE ARAPAHO RIDGE 10960 13.5 11.1 122 13.6 12.8 106 BLACKHALL MTN 9820 18.6 -M * 20.0 -M * COLUMBINE 9160 16.7 12.2 137 18.2 13.9 131 DIVIDE PEAK 8880 10.5 10.2 103 14.1 11.9 118 JOE WRIGHT 10120 9.7 11.1 87 16.3 14.0 116 LAPRELE CREEK 8375 4.2 4.8 88 6.1 6.7 91 MED BOW 10500 15.0 -M * 20.4 -M * NORTH FRENCH CREEK 10130 18.1 13.8 131 19.2 14.5 132 NEVER SUMMER 10280 11.9 10.5 113 10.4 -M * OLD BATTLE 10000 17.3 15.5 112 20.1 19.3 104 RAWAH 9020 7.4 5.4 137 10.2 8.4 121 SAGE CREEK BASIN 7850 5.9 7.2 82 7.7 8.6 90 SAND LAKE 10050 16.7 14.3 117 16.7 13.1 127 SOUTH BRUSH CREEK 8440 7.1 6.0 118 9.6 8.3 116 TOWER 10500 25.9 22.4 116 27.0 21.9 123 WEBBER SPRINGS 9250 12.6 11.8 107 15.0 14.6 103 WILLOW CREEK PASS 9540 7.6 6.2 123 8.6 7.4 116 ZIRKEL 9340 18.0 15.6 115 20.2 16.6 122 ----- ----- Basin Index (%) 114 116 SWEETWATER DEER PARK 9700 5.6 7.2 78 7.5 10.8 69 LARSEN CREEK 9000 3.7 -M * 6.1 -M * SOUTH PASS 9040 6.4 7.6 84 6.4 9.6 67 ----- ----- Basin Index (%) 81 68 LOWER N. PLATTE CASPER MTN. 7900 11.3 6.7 169 10.5 8.1 130 LAPRELE CREEK 8375 4.2 4.8 88 6.1 6.7 91 RENO HILL 8400 10.4 6.6 158 12.5 8.0 156 WINDY PEAK 7900 3.4 3.6 94 6.1 5.7 107 ----- ----- Basin Index (%) 135 124 LARAMIE RIVER BROOKLYN LAKE 10240 14.0 10.6 132 13.7 10.9 126 CINNABAR PARK 9574 13.1 11.7 112 15.3 14.2 108 CROW CREEK 8330 4.5 4.9 92 6.5 6.0 108 DEADMAN HILL 10220 12.0 8.1 148 12.2 8.9 137 RAWAH 9020 7.4 5.4 137 10.2 8.4 121 ROACH 9700 9.2 8.6 107 11.7 10.4 112 ----- ----- Basin Index (%) 122 118 S. PLATTE BLACK MOUNTAIN 8920 6.6 -M * 8.1 -M * CROW CREEK 8330 4.5 4.9 92 6.5 6.0 108 DEADMAN HILL 10220 12.0 8.1 148 12.2 8.9 137 ----- ----- Basin Index (%) 127 126 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 6.7 5.4 124 10.8 8.4 129 DIVIDE PEAK 8880 10.5 10.2 103 14.1 11.9 118 ELK RIVER 8700 11.6 9.1 127 13.6 11.0 124 LITTLE SNAKE RIVER 8915 15.5 12.2 127 20.6 17.8 116 OLD BATTLE 10000 17.3 15.5 112 20.1 19.3 104 SAGE CREEK BASIN 7850 5.9 7.2 82 7.7 8.6 90 SANDSTONE RS 8150 7.1 6.6 108 11.3 10.3 110 WHISKEY PARK 8950 21.2 12.8 166 23.0 15.0 153 ----- ----- Basin Index (%) 121 118 UPPER GREEN RIVER BIG SANDY OPENING 9080 5.9 7.0 84 5.5 7.3 75 BLIND BULL SUM 8650 14.1 12.2 116 10.5 11.1 95 EAST RIM DIVIDE 7930 7.2 5.5 131 6.2 6.6 94 ELKHART PARK G.S. 9400 7.4 6.3 117 6.9 7.4 93 GROS VENTRE SUMMIT 8750 -M 7.4 * -M 7.1 * GUNSIGHT PASS 9820 8.8 7.3 121 8.5 7.7 110 KENDALL R.S. 7740 7.2 6.5 111 8.2 7.9 104 LOOMIS PARK 8240 8.7 7.7 113 9.9 9.7 102 NEW FORK LAKE 8340 5.9 5.5 107 5.1 6.2 82 POCKET CREEK 9360 4.9 -M * 5.2 -M * SNIDER BASIN 8060 7.8 6.3 124 8.0 8.0 100 SPRING CREEK DIVIDE 9000 13.5 11.8 114 13.6 13.3 102 TRIPLE PEAK 8500 13.3 11.3 118 15.2 13.6 112 ----- ----- Basin Index (%) 114 99 LOWER GREEN RIVER BLACKS FORK JCT 8870 3.5 -M * 6.7 -M * BUCK PASTURE 9700 6.4 -M * 8.7 -M * EF BLACKS FORK GS 9360 3.2 -M * 6.1 -M * HAMS FORK 7840 5.4 5.6 96 6.0 6.3 95 HEWINTA 9519 3.8 4.9 78 7.2 7.4 97 HICKERSON PARK 9145 4.5 3.2 141 6.0 5.5 109 HOLE-IN-ROCK 9150 3.6 3.3 109 5.6 5.2 108 INDIAN CREEK 9425 10.9 12.0 91 10.2 12.0 85 KELLEY R.S. 8180 7.4 7.3 101 9.1 10.0 91 SPIRIT LK 10235 5.6 -M * 8.5 -M * STEEL CREEK PARK 10200 6.9 7.3 95 8.8 8.6 102 ----- ----- Basin Index (%) 97 96 UPPER BEAR RIVER BEAR RIVER RS 8777 4.1 -M * 6.6 -M * BUG LAKE 7950 8.1 8.5 95 8.6 10.7 80 BURTS MILLER RANCH 8000 3.3 -M * 3.7 -M * CHALK CREEK #1 8993 10.6 11.5 92 11.6 13.5 86 HAYDEN FORK 9212 6.6 7.0 94 10.1 11.3 89 KELLEY R.S. 8180 7.4 7.3 101 9.1 10.0 91 LILY LAKE 9156 6.7 6.4 105 8.5 9.3 91 MONTE CRISTO 8960 11.2 13.5 83 11.1 14.1 79 SALT RIVER SUMMIT 7760 7.2 6.1 118 9.0 9.1 99 ----- ----- Basin Index (%) 96 87 ----------------------------------------------------------------------------- -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.