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 SUNDAY: JANUARY 12 , 2014 ------------------------------------------------------------------------------ BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Median Median Current Average Avg ------------------------------------------------------------------------------ WYOMING SNAKE RIVER BASE CAMP 7030 10.3 8.9 116 11.2 11.8 95 BLACK BEAR 8170 19.8 20.0 99 19.1 20.8 92 BLIND BULL SUM 8650 13.1 11.6 113 10.0 10.8 93 COTTONWOOD CREEK 7670 11.3 9.6 118 12.9 13.3 97 EAST RIM DIVIDE 7930 6.8 5.3 128 6.1 6.5 94 GRAND TARGHEE 9260 23.6 20.8 113 17.2 17.7 97 GRANITE CREEK 6770 7.4 7.9 94 8.6 11.3 76 GRASSY LAKE 7265 16.4 15.7 104 18.0 19.9 90 GROS VENTRE SUMMIT 8750 7.5 7.2 104 6.7 7.0 96 GUNSIGHT PASS 9820 8.4 7.1 118 8.3 7.6 109 LEWIS LAKE DIVIDE 7850 13.7 15.7 87 16.0 19.5 82 PHILLIPS BENCH 8200 12.3 13.6 90 13.1 15.3 86 SALT RIVER SUMMIT 7760 6.7 5.8 116 8.4 8.9 94 SNAKE RIVER STATION 6920 8.8 8.3 106 11.3 12.9 88 SPRING CREEK DIVIDE 9000 12.2 11.2 109 12.3 13.0 95 THUMB DIVIDE 7980 7.3 7.6 96 7.8 10.3 76 TOGWOTEE PASS 9580 13.6 12.6 108 13.2 13.5 98 TWO OCEAN PLATEAU 9240 17.2 15.0 115 13.8 14.8 93 WILLOW CREEK 8380 14.2 13.2 108 17.5 18.2 96 YOUNTS PEAK 8350 -M 7.9 * -M 9.0 * ----- ----- Basin Index (%) 106 91 MADISON-GALLATIN BLACK BEAR 8170 19.8 20.0 99 19.1 20.8 92 CANYON 7870 6.9 6.8 101 8.3 9.0 92 MADISON PLATEAU 7750 10.9 11.5 95 11.9 14.6 82 WEST YELLOWSTONE 6700 6.3 5.9 107 7.3 8.2 89 WHISKEY CREEK 6800 7.8 8.1 96 9.7 11.3 86 ----- ----- Basin Index (%) 99 88 YELLOWSTONE BEARTOOTH LAKE 9360 12.8 11.7 109 11.3 10.7 106 BURNT MTN 5880 4.6 2.0 230 10.4 7.2 144 CANYON 7870 6.9 6.8 101 8.3 9.0 92 COLE CREEK 7850 10.2 6.8 150 7.3 6.8 107 EVENING STAR 9200 18.4 13.5 136 18.6 15.2 122 FISHER CREEK 9100 20.0 17.3 116 17.6 17.5 101 NORTHEAST ENTRANCE 7350 5.8 5.0 116 6.6 7.0 94 PARKER PEAK 9400 14.8 11.2 132 13.7 9.7 141 SYLVAN LAKE 8420 12.0 10.9 110 14.2 12.7 112 THUMB DIVIDE 7980 7.3 7.6 96 7.8 10.3 76 TWO OCEAN PLATEAU 9240 17.2 15.0 115 13.8 14.8 93 WHITE MILL 8700 14.5 12.0 121 12.4 13.1 95 WOLVERINE 7650 7.5 5.6 134 6.5 7.1 92 ----- ----- Basin Index (%) 121 105 WIND RIVER BURROUGHS CREEK 8750 -M 7.0 * -M 9.0 * CASTLE CREEK 8400 3.7 -M * 5.5 -M * COLD SPRINGS 9630 5.3 3.7 143 6.8 5.5 124 DEER PARK 9700 5.6 7.1 79 7.5 10.7 70 HOBBS PARK 10100 7.5 7.2 104 6.5 6.8 96 KIRWIN 9550 7.8 5.0 156 6.9 6.4 108 LITTLE WARM 9370 6.5 5.3 123 7.7 7.0 110 OWL CREEK 8975 3.9 2.8 139 3.9 3.1 126 SOUTH PASS 9040 6.4 7.3 88 6.4 9.5 67 ST. LAWRENCE ALT 8620 3.0 3.4 88 5.5 4.7 117 TOGWOTEE PASS 9580 13.6 12.6 108 13.2 13.5 98 TOWNSEND CREEK 8700 3.7 4.2 88 4.8 6.3 76 ----- ----- Basin Index (%) 108 94 BIGHORN BASIN BALD MTN. 9380 13.3 9.6 139 10.3 9.1 113 BEAR TRAP MEADOW 8200 5.4 2.8 193 6.4 4.6 139 BONE SPRINGS DIV 9350 9.8 8.2 120 7.8 8.1 96 GRAVE SPRINGS 8550 6.6 4.1 161 7.3 5.7 128 KIRWIN 9550 7.8 5.0 156 6.9 6.4 108 MARQUETTE 8760 4.8 -M * 6.6 -M * MIDDLE POWDER 7760 8.8 5.7 154 8.1 6.5 125 OWL CREEK 8975 3.9 2.8 139 3.9 3.1 126 POWDER RIVER PASS 9480 7.3 5.6 130 7.6 6.7 113 SHELL CREEK 9580 9.0 7.8 115 7.4 7.4 100 TIMBER CREEK 7950 3.5 2.3 152 5.0 4.1 122 ----- ----- Basin Index (%) 140 115 SHOSHONE RIVER BLACKWATER 9780 15.0 12.4 121 12.6 11.4 111 EVENING STAR 9200 18.4 13.5 136 18.6 15.2 122 MARQUETTE 8760 4.8 -M * 6.6 -M * SYLVAN ROAD 7120 7.3 6.2 118 10.9 10.4 105 YOUNTS PEAK 8350 -M 7.9 * -M 9.0 * ----- ----- Basin Index (%) 127 114 POWDER RIVER BEAR TRAP MEADOW 8200 5.4 2.8 193 6.4 4.6 139 CLOUD PEAK RESERVOIR 9860 9.4 6.9 136 8.7 6.9 126 GRAVE SPRINGS 8550 6.6 4.1 161 7.3 5.7 128 HANSEN SAWMILL 8360 4.6 3.4 135 6.2 4.4 141 MIDDLE POWDER 7760 8.8 5.7 154 8.1 6.5 125 POWDER RIVER PASS 9480 7.3 5.6 130 7.6 6.7 113 SOLDIER PARK 8720 4.3 -M * 5.8 -M * ----- ----- Basin Index (%) 148 127 TONGUE RIVER BIG GOOSE 7990 5.0 4.1 122 7.4 5.7 130 BONE SPRINGS DIV 9350 9.8 8.2 120 7.8 8.1 96 BURGESS JUNCTION 7880 6.7 5.3 126 8.1 6.5 125 DOME LAKE 8880 5.1 5.8 88 6.1 7.3 84 LITTLE GOOSE 8870 -M -M * -M -M * SUCKER CREEK 8880 8.4 6.0 140 9.5 7.4 128 TIE CREEK 6870 3.3 2.4 138 7.7 6.2 124 ----- ----- Basin Index (%) 120 113 BELLE FOURCHE COLE CANYON 5910 4.2 2.5 168 10.0 5.0 200 ----- ----- Basin Index (%) 168 200 CHEYENNE RIVER BASIN BLIND PARK 6890 5.4 3.9 138 11.5 6.6 174 NORTH RAPID CREEK 6130 5.1 3.5 146 10.8 5.6 193 ----- ----- Basin Index (%) 142 183 UPPER N. PLATTE ARAPAHO RIDGE 10960 12.6 10.9 116 12.6 12.5 101 BLACKHALL MTN 9820 17.0 -M * 18.2 -M * COLUMBINE 9160 14.2 11.6 122 16.2 13.6 119 DIVIDE PEAK 8880 9.7 9.9 98 13.3 11.6 115 JOE WRIGHT 10120 9.2 10.7 86 15.0 13.7 109 LAPRELE CREEK 8375 4.3 4.6 93 5.9 6.5 91 MED BOW 10500 14.0 -M * 19.1 -M * NORTH FRENCH CREEK 10130 17.1 13.4 128 18.3 14.1 130 NEVER SUMMER 10280 10.8 10.3 105 9.6 -M * OLD BATTLE 10000 16.1 15.1 107 18.6 18.9 98 RAWAH 9020 6.8 5.2 131 9.7 8.3 117 SAGE CREEK BASIN 7850 5.7 6.9 83 7.4 8.6 86 SAND LAKE 10050 15.7 13.9 113 15.7 12.8 123 SOUTH BRUSH CREEK 8440 7.0 5.8 121 9.5 8.1 117 TOWER 10500 22.7 21.2 107 24.5 21.4 114 WEBBER SPRINGS 9250 11.4 11.5 99 13.8 14.3 97 WILLOW CREEK PASS 9540 7.3 6.1 120 8.3 7.2 115 ZIRKEL 9340 15.5 14.5 107 17.8 16.3 109 ----- ----- Basin Index (%) 108 110 SWEETWATER DEER PARK 9700 5.6 7.1 79 7.5 10.7 70 LARSEN CREEK 9000 3.2 -M * 6.0 -M * SOUTH PASS 9040 6.4 7.3 88 6.4 9.5 67 ----- ----- Basin Index (%) 83 69 LOWER N. PLATTE CASPER MTN. 7900 10.7 6.7 160 9.9 8.0 124 LAPRELE CREEK 8375 4.3 4.6 93 5.9 6.5 91 RENO HILL 8400 9.7 6.5 149 11.8 7.8 151 WINDY PEAK 7900 3.2 3.4 94 5.7 5.6 102 ----- ----- Basin Index (%) 132 119 LARAMIE RIVER BROOKLYN LAKE 10240 12.4 10.1 123 12.8 10.6 121 CINNABAR PARK 9574 12.1 11.3 107 14.4 13.8 104 CROW CREEK 8330 4.2 4.9 86 6.3 5.9 107 DEADMAN HILL 10220 11.1 7.9 141 11.3 8.8 128 RAWAH 9020 6.8 5.2 131 9.7 8.3 117 ROACH 9700 8.8 8.2 107 11.2 10.1 111 ----- ----- Basin Index (%) 116 114 S. PLATTE BLACK MOUNTAIN 8920 6.2 -M * 7.7 -M * CROW CREEK 8330 4.2 4.9 86 6.3 5.9 107 DEADMAN HILL 10220 11.1 7.9 141 11.3 8.8 128 ----- ----- Basin Index (%) 120 120 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 6.4 5.1 125 10.6 8.2 129 DIVIDE PEAK 8880 9.7 9.9 98 13.3 11.6 115 ELK RIVER 8700 10.9 8.6 127 12.9 10.6 122 LITTLE SNAKE RIVER 8915 13.5 11.7 115 18.6 17.6 106 OLD BATTLE 10000 16.1 15.1 107 18.6 18.9 98 SAGE CREEK BASIN 7850 5.7 6.9 83 7.4 8.6 86 SANDSTONE RS 8150 6.6 6.1 108 10.8 10.0 108 WHISKEY PARK 8950 18.4 11.8 156 20.3 14.4 141 ----- ----- Basin Index (%) 116 113 UPPER GREEN RIVER BIG SANDY OPENING 9080 5.8 6.9 84 5.5 7.2 76 BLIND BULL SUM 8650 13.1 11.6 113 10.0 10.8 93 EAST RIM DIVIDE 7930 6.8 5.3 128 6.1 6.5 94 ELKHART PARK G.S. 9400 7.0 6.1 115 6.6 7.3 90 GROS VENTRE SUMMIT 8750 7.5 7.2 104 6.7 7.0 96 GUNSIGHT PASS 9820 8.4 7.1 118 8.3 7.6 109 KENDALL R.S. 7740 7.0 6.1 115 8.2 7.8 105 LOOMIS PARK 8240 8.0 7.3 110 9.2 9.5 97 NEW FORK LAKE 8340 5.6 5.3 106 5.0 6.0 83 POCKET CREEK 9360 5.0 -M * 5.1 -M * SNIDER BASIN 8060 7.0 6.1 115 7.3 7.8 94 SPRING CREEK DIVIDE 9000 12.2 11.2 109 12.3 13.0 95 TRIPLE PEAK 8500 11.8 10.6 111 13.6 13.3 102 ----- ----- Basin Index (%) 110 95 LOWER GREEN RIVER BLACKS FORK JCT 8870 3.4 -M * 6.2 -M * BUCK PASTURE 9700 5.8 -M * 8.1 -M * EF BLACKS FORK GS 9360 2.7 -M * 5.4 -M * HAMS FORK 7840 4.7 5.4 87 5.8 6.2 94 HEWINTA 9519 3.4 4.7 72 6.7 7.3 92 HICKERSON PARK 9145 4.3 3.1 139 5.8 5.4 107 HOLE-IN-ROCK 9150 3.3 3.3 100 5.4 5.1 106 INDIAN CREEK 9425 10.1 11.6 87 9.6 11.8 81 KELLEY R.S. 8180 6.8 7.1 96 8.7 9.8 89 SPIRIT LK 10235 5.5 -M * 8.3 -M * STEEL CREEK PARK 10200 6.4 7.0 91 8.2 8.5 96 ----- ----- Basin Index (%) 92 93 UPPER BEAR RIVER BEAR RIVER RS 8777 3.7 -M * 6.2 -M * BUG LAKE 7950 7.4 7.8 95 7.8 10.5 74 BURTS MILLER RANCH 8000 2.9 -M * 3.7 -M * CHALK CREEK #1 8993 9.8 11.2 88 10.7 13.3 80 HAYDEN FORK 9212 5.6 6.7 84 9.2 11.1 83 KELLEY R.S. 8180 6.8 7.1 96 8.7 9.8 89 LILY LAKE 9156 6.2 6.1 102 8.1 9.1 89 MONTE CRISTO 8960 9.7 12.9 75 9.7 13.8 70 SALT RIVER SUMMIT 7760 6.7 5.8 116 8.4 8.9 94 ----- ----- Basin Index (%) 91 82 ----------------------------------------------------------------------------- -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.