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 SATURDAY: JANUARY 11 , 2014 ------------------------------------------------------------------------------ BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Median Median Current Average Avg ------------------------------------------------------------------------------ WYOMING SNAKE RIVER BASE CAMP 7030 9.4 8.7 108 10.4 11.6 90 BLACK BEAR 8170 18.5 19.8 93 18.2 20.5 89 BLIND BULL SUM 8650 12.1 11.3 107 9.5 10.6 90 COTTONWOOD CREEK 7670 10.6 9.4 113 12.2 13.1 93 EAST RIM DIVIDE 7930 6.5 5.2 125 5.9 6.4 92 GRAND TARGHEE 9260 22.8 20.6 111 16.7 17.5 95 GRANITE CREEK 6770 7.2 7.7 94 8.4 11.0 76 GRASSY LAKE 7265 14.9 15.4 97 16.7 19.6 85 GROS VENTRE SUMMIT 8750 7.1 7.1 100 6.4 6.9 93 GUNSIGHT PASS 9820 8.0 7.0 114 7.9 7.4 107 LEWIS LAKE DIVIDE 7850 12.3 15.4 80 15.0 19.4 77 PHILLIPS BENCH 8200 11.5 13.3 86 12.4 15.0 83 SALT RIVER SUMMIT 7760 6.1 5.7 107 8.0 8.7 92 SNAKE RIVER STATION 6920 8.1 8.1 100 10.6 12.7 83 SPRING CREEK DIVIDE 9000 11.0 11.1 99 11.5 12.7 91 THUMB DIVIDE 7980 6.4 7.4 86 7.0 10.1 69 TOGWOTEE PASS 9580 13.1 12.5 105 12.8 13.3 96 TWO OCEAN PLATEAU 9240 15.8 14.7 107 12.8 14.5 88 WILLOW CREEK 8380 13.3 12.9 103 16.8 17.9 94 YOUNTS PEAK 8350 -M 7.7 * -M 8.8 * ----- ----- Basin Index (%) 101 88 MADISON-GALLATIN BLACK BEAR 8170 18.5 19.8 93 18.2 20.5 89 CANYON 7870 6.5 6.6 98 8.0 8.9 90 MADISON PLATEAU 7750 10.0 11.3 88 11.2 14.4 78 WEST YELLOWSTONE 6700 5.7 5.8 98 6.7 8.1 83 WHISKEY CREEK 6800 7.0 8.0 88 9.1 11.2 81 ----- ----- Basin Index (%) 93 84 YELLOWSTONE BEARTOOTH LAKE 9360 12.2 11.5 106 10.8 10.6 102 BURNT MTN 5880 4.5 1.9 237 10.4 7.2 144 CANYON 7870 6.5 6.6 98 8.0 8.9 90 COLE CREEK 7850 9.8 6.8 144 7.3 6.8 107 EVENING STAR 9200 17.2 13.3 129 17.9 15.1 119 FISHER CREEK 9100 18.6 17.2 108 16.5 17.2 96 NORTHEAST ENTRANCE 7350 5.5 4.9 112 6.4 7.0 91 PARKER PEAK 9400 14.2 11.2 127 13.3 9.6 139 SYLVAN LAKE 8420 11.3 10.8 105 13.4 12.6 106 THUMB DIVIDE 7980 6.4 7.4 86 7.0 10.1 69 TWO OCEAN PLATEAU 9240 15.8 14.7 107 12.8 14.5 88 WHITE MILL 8700 13.8 11.8 117 11.8 12.9 91 WOLVERINE 7650 7.4 5.6 132 6.5 7.0 93 ----- ----- Basin Index (%) 116 102 WIND RIVER BURROUGHS CREEK 8750 -M 6.9 * -M 8.8 * CASTLE CREEK 8400 3.5 -M * 5.3 -M * COLD SPRINGS 9630 5.1 3.7 138 6.7 5.4 124 DEER PARK 9700 5.5 7.0 79 7.4 10.3 72 HOBBS PARK 10100 6.9 7.1 97 6.3 6.7 94 KIRWIN 9550 7.4 4.9 151 6.6 6.3 105 LITTLE WARM 9370 6.2 5.2 119 7.5 6.9 109 OWL CREEK 8975 3.8 2.8 136 3.8 3.1 123 SOUTH PASS 9040 6.2 7.2 86 6.3 9.3 68 ST. LAWRENCE ALT 8620 2.7 3.4 79 5.2 4.6 113 TOGWOTEE PASS 9580 13.1 12.5 105 12.8 13.3 96 TOWNSEND CREEK 8700 3.5 4.2 83 4.6 6.2 74 ----- ----- Basin Index (%) 104 93 BIGHORN BASIN BALD MTN. 9380 12.9 9.5 136 10.1 8.9 113 BEAR TRAP MEADOW 8200 5.3 2.8 189 6.3 4.5 140 BONE SPRINGS DIV 9350 9.3 8.1 115 7.3 8.0 91 GRAVE SPRINGS 8550 6.5 4.0 162 7.3 5.6 130 KIRWIN 9550 7.4 4.9 151 6.6 6.3 105 MARQUETTE 8760 4.7 -M * 6.2 -M * MIDDLE POWDER 7760 8.7 5.6 155 8.0 6.5 123 OWL CREEK 8975 3.8 2.8 136 3.8 3.1 123 POWDER RIVER PASS 9480 7.1 5.6 127 7.4 6.7 110 SHELL CREEK 9580 8.6 7.7 112 7.2 7.3 99 TIMBER CREEK 7950 3.3 2.3 143 4.8 4.1 117 ----- ----- Basin Index (%) 137 113 SHOSHONE RIVER BLACKWATER 9780 14.0 12.2 115 11.8 11.2 105 EVENING STAR 9200 17.2 13.3 129 17.9 15.1 119 MARQUETTE 8760 4.7 -M * 6.2 -M * SYLVAN ROAD 7120 6.8 6.1 111 10.3 10.2 101 YOUNTS PEAK 8350 -M 7.7 * -M 8.8 * ----- ----- Basin Index (%) 120 110 POWDER RIVER BEAR TRAP MEADOW 8200 5.3 2.8 189 6.3 4.5 140 CLOUD PEAK RESERVOIR 9860 9.1 6.8 134 8.4 6.8 124 GRAVE SPRINGS 8550 6.5 4.0 162 7.3 5.6 130 HANSEN SAWMILL 8360 4.4 3.4 129 6.1 4.4 139 MIDDLE POWDER 7760 8.7 5.6 155 8.0 6.5 123 POWDER RIVER PASS 9480 7.1 5.6 127 7.4 6.7 110 SOLDIER PARK 8720 4.3 -M * 5.7 -M * ----- ----- Basin Index (%) 146 126 TONGUE RIVER BIG GOOSE 7990 4.8 4.1 117 7.2 5.6 129 BONE SPRINGS DIV 9350 9.3 8.1 115 7.3 8.0 91 BURGESS JUNCTION 7880 6.4 5.2 123 7.9 6.4 123 DOME LAKE 8880 4.8 5.8 83 5.9 7.2 82 LITTLE GOOSE 8870 -M -M * -M -M * SUCKER CREEK 8880 8.2 5.9 139 9.3 7.3 127 TIE CREEK 6870 3.1 2.4 129 7.6 6.1 125 ----- ----- Basin Index (%) 116 111 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 11.4 6.6 173 NORTH RAPID CREEK 6130 5.0 3.5 143 10.7 5.5 195 ----- ----- Basin Index (%) 141 183 UPPER N. PLATTE ARAPAHO RIDGE 10960 12.4 10.8 115 12.4 12.3 101 BLACKHALL MTN 9820 16.7 -M * 17.5 -M * COLUMBINE 9160 13.9 11.3 123 15.9 13.4 119 DIVIDE PEAK 8880 9.6 9.8 98 13.1 11.6 113 JOE WRIGHT 10120 9.1 10.6 86 14.1 13.6 104 LAPRELE CREEK 8375 3.8 4.6 83 5.7 6.5 88 MED BOW 10500 14.1 -M * 19.1 -M * NORTH FRENCH CREEK 10130 17.1 13.2 130 18.2 13.9 131 NEVER SUMMER 10280 10.6 10.2 104 9.5 -M * OLD BATTLE 10000 15.7 15.0 105 18.4 18.6 99 RAWAH 9020 6.8 5.2 131 9.6 8.2 117 SAGE CREEK BASIN 7850 5.6 6.8 82 7.5 8.4 89 SAND LAKE 10050 15.5 13.7 113 15.4 12.6 122 SOUTH BRUSH CREEK 8440 6.9 5.7 121 9.5 8.0 119 TOWER 10500 22.4 20.9 107 24.1 21.0 115 WEBBER SPRINGS 9250 11.3 11.4 99 13.7 14.0 98 WILLOW CREEK PASS 9540 7.3 6.0 122 8.2 7.2 114 ZIRKEL 9340 15.4 13.9 111 16.1 16.0 101 ----- ----- Basin Index (%) 108 109 SWEETWATER DEER PARK 9700 5.5 7.0 79 7.4 10.3 72 LARSEN CREEK 9000 3.0 -M * 5.9 -M * SOUTH PASS 9040 6.2 7.2 86 6.3 9.3 68 ----- ----- Basin Index (%) 82 70 LOWER N. PLATTE CASPER MTN. 7900 10.2 6.6 155 9.9 8.0 124 LAPRELE CREEK 8375 3.8 4.6 83 5.7 6.5 88 RENO HILL 8400 9.6 6.5 148 11.7 7.8 150 WINDY PEAK 7900 3.2 3.3 97 5.8 5.6 104 ----- ----- Basin Index (%) 128 119 LARAMIE RIVER BROOKLYN LAKE 10240 12.2 9.9 123 12.6 10.5 120 CINNABAR PARK 9574 12.0 11.2 107 14.3 13.6 105 CROW CREEK 8330 4.2 4.9 86 6.3 5.9 107 DEADMAN HILL 10220 10.9 7.8 140 11.2 8.7 129 RAWAH 9020 6.8 5.2 131 9.6 8.2 117 ROACH 9700 8.6 8.1 106 11.1 10.0 111 ----- ----- Basin Index (%) 116 114 S. PLATTE BLACK MOUNTAIN 8920 6.3 -M * 7.8 -M * CROW CREEK 8330 4.2 4.9 86 6.3 5.9 107 DEADMAN HILL 10220 10.9 7.8 140 11.2 8.7 129 ----- ----- Basin Index (%) 119 120 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 6.4 5.1 125 10.5 8.0 131 DIVIDE PEAK 8880 9.6 9.8 98 13.1 11.6 113 ELK RIVER 8700 10.8 8.5 127 11.7 10.5 111 LITTLE SNAKE RIVER 8915 13.4 11.4 118 18.5 17.2 108 OLD BATTLE 10000 15.7 15.0 105 18.4 18.6 99 SAGE CREEK BASIN 7850 5.6 6.8 82 7.5 8.4 89 SANDSTONE RS 8150 6.7 5.9 114 10.8 9.9 109 WHISKEY PARK 8950 18.2 11.5 158 20.1 14.2 142 ----- ----- Basin Index (%) 117 112 UPPER GREEN RIVER BIG SANDY OPENING 9080 5.6 6.9 81 5.4 7.1 76 BLIND BULL SUM 8650 12.1 11.3 107 9.5 10.6 90 EAST RIM DIVIDE 7930 6.5 5.2 125 5.9 6.4 92 ELKHART PARK G.S. 9400 6.6 6.1 108 6.4 7.2 89 GROS VENTRE SUMMIT 8750 7.1 7.1 100 6.4 6.9 93 GUNSIGHT PASS 9820 8.0 7.0 114 7.9 7.4 107 KENDALL R.S. 7740 6.6 5.9 112 7.8 7.6 103 LOOMIS PARK 8240 7.5 7.2 104 8.8 9.3 95 NEW FORK LAKE 8340 5.4 5.3 102 4.9 5.9 83 POCKET CREEK 9360 4.9 -M * 5.0 -M * SNIDER BASIN 8060 6.4 6.1 105 6.7 7.6 88 SPRING CREEK DIVIDE 9000 11.0 11.1 99 11.5 12.7 91 TRIPLE PEAK 8500 10.7 10.3 104 12.5 13.0 96 ----- ----- Basin Index (%) 104 92 LOWER GREEN RIVER BLACKS FORK JCT 8870 3.2 -M * 6.1 -M * BUCK PASTURE 9700 5.7 -M * 7.9 -M * EF BLACKS FORK GS 9360 2.6 -M * 5.3 -M * HAMS FORK 7840 4.3 5.3 81 5.6 6.1 92 HEWINTA 9519 3.1 4.6 67 6.5 7.2 90 HICKERSON PARK 9145 4.3 3.1 139 5.8 5.4 107 HOLE-IN-ROCK 9150 3.3 3.3 100 5.2 5.0 104 INDIAN CREEK 9425 9.4 11.5 82 9.1 11.6 78 KELLEY R.S. 8180 6.5 7.1 92 8.4 9.7 87 SPIRIT LK 10235 5.4 -M * 8.2 -M * STEEL CREEK PARK 10200 5.4 6.8 79 8.0 8.4 95 ----- ----- Basin Index (%) 87 91 UPPER BEAR RIVER BEAR RIVER RS 8777 3.6 -M * 6.1 -M * BUG LAKE 7950 7.0 7.6 92 7.5 10.3 73 BURTS MILLER RANCH 8000 2.9 -M * 3.7 -M * CHALK CREEK #1 8993 9.5 11.1 86 10.6 13.1 81 HAYDEN FORK 9212 5.6 6.7 84 9.1 10.9 83 KELLEY R.S. 8180 6.5 7.1 92 8.4 9.7 87 LILY LAKE 9156 6.1 6.0 102 8.0 9.0 89 MONTE CRISTO 8960 8.9 12.7 70 9.2 13.6 68 SALT RIVER SUMMIT 7760 6.1 5.7 107 8.0 8.7 92 ----- ----- Basin Index (%) 87 81 ----------------------------------------------------------------------------- -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.