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 FRIDAY: JANUARY 17 , 2014 ------------------------------------------------------------------------------ BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Median Median Current Average Avg ------------------------------------------------------------------------------ WYOMING SNAKE RIVER BASE CAMP 7030 10.5 9.7 108 11.8 12.3 96 BLACK BEAR 8170 20.3 20.9 97 19.6 21.7 90 BLIND BULL SUM 8650 14.1 12.3 115 10.4 11.3 92 COTTONWOOD CREEK 7670 12.5 10.6 118 14.2 13.9 102 EAST RIM DIVIDE 7930 7.2 5.7 126 6.2 6.8 91 GRAND TARGHEE 9260 24.1 21.2 114 17.9 18.0 99 GRANITE CREEK 6770 7.8 8.7 90 9.2 11.8 78 GRASSY LAKE 7265 17.0 16.7 102 18.2 20.9 87 GROS VENTRE SUMMIT 8750 7.6 7.5 101 6.7 7.3 92 GUNSIGHT PASS 9820 8.8 7.4 119 8.5 7.8 109 LEWIS LAKE DIVIDE 7850 -M 16.6 * -M 20.4 * PHILLIPS BENCH 8200 12.8 15.0 85 13.7 16.0 86 SALT RIVER SUMMIT 7760 7.1 6.4 111 8.9 9.3 96 SNAKE RIVER STATION 6920 8.9 9.1 98 11.6 13.5 86 SPRING CREEK DIVIDE 9000 13.5 12.2 111 13.6 13.6 100 THUMB DIVIDE 7980 7.4 8.0 92 7.8 10.8 72 TOGWOTEE PASS 9580 14.8 13.0 114 14.4 14.1 102 TWO OCEAN PLATEAU 9240 18.0 15.5 116 14.4 15.4 94 WILLOW CREEK 8380 15.5 14.3 108 18.7 19.0 98 YOUNTS PEAK 8350 -M 8.5 * -M 9.4 * ----- ----- Basin Index (%) 106 93 MADISON-GALLATIN BLACK BEAR 8170 20.3 20.9 97 19.6 21.7 90 CANYON 7870 7.2 7.3 99 8.7 9.4 93 MADISON PLATEAU 7750 11.2 12.5 90 12.2 15.2 80 WEST YELLOWSTONE 6700 6.4 6.3 102 7.4 8.4 88 WHISKEY CREEK 6800 8.0 8.4 95 10.0 11.8 85 ----- ----- Basin Index (%) 96 87 YELLOWSTONE BEARTOOTH LAKE 9360 14.0 12.5 112 12.5 11.3 111 BURNT MTN 5880 5.0 2.2 227 10.6 7.4 143 CANYON 7870 7.2 7.3 99 8.7 9.4 93 COLE CREEK 7850 11.4 7.2 158 7.9 7.1 111 EVENING STAR 9200 19.8 14.1 140 20.3 15.9 128 FISHER CREEK 9100 21.2 18.4 115 18.7 18.2 103 NORTHEAST ENTRANCE 7350 6.3 5.4 117 7.1 7.4 96 PARKER PEAK 9400 15.9 11.6 137 14.6 10.1 145 SYLVAN LAKE 8420 12.5 11.2 112 14.7 13.2 111 THUMB DIVIDE 7980 7.4 8.0 92 7.8 10.8 72 TWO OCEAN PLATEAU 9240 18.0 15.5 116 14.4 15.4 94 WHITE MILL 8700 15.7 12.8 123 13.4 13.7 98 WOLVERINE 7650 8.6 6.0 143 7.1 7.4 96 ----- ----- Basin Index (%) 123 107 WIND RIVER BURROUGHS CREEK 8750 -M 7.4 * -M 9.4 * CASTLE CREEK 8400 3.8 -M * 5.6 -M * COLD SPRINGS 9630 5.4 4.1 132 7.0 5.7 123 DEER PARK 9700 5.5 7.3 75 7.5 10.9 69 HOBBS PARK 10100 7.5 7.3 103 6.8 7.0 97 KIRWIN 9550 8.0 5.3 151 7.4 6.6 112 LITTLE WARM 9370 6.7 5.6 120 8.1 7.3 111 OWL CREEK 8975 3.8 2.9 131 3.9 3.3 118 SOUTH PASS 9040 6.4 7.8 82 6.4 9.8 65 ST. LAWRENCE ALT 8620 2.8 3.5 80 5.5 4.9 112 TOGWOTEE PASS 9580 14.8 13.0 114 14.4 14.1 102 TOWNSEND CREEK 8700 3.6 4.4 82 4.8 6.5 74 ----- ----- Basin Index (%) 105 94 BIGHORN BASIN BALD MTN. 9380 14.1 9.9 142 11.0 9.6 115 BEAR TRAP MEADOW 8200 5.8 2.9 200 6.4 4.7 136 BONE SPRINGS DIV 9350 11.0 8.7 126 8.4 8.5 99 GRAVE SPRINGS 8550 7.0 4.4 159 7.7 5.8 133 KIRWIN 9550 8.0 5.3 151 7.4 6.6 112 MARQUETTE 8760 4.8 -M * 6.7 -M * MIDDLE POWDER 7760 9.7 6.0 162 8.5 6.8 125 OWL CREEK 8975 3.8 2.9 131 3.9 3.3 118 POWDER RIVER PASS 9480 8.2 5.8 141 8.7 7.0 124 SHELL CREEK 9580 9.7 8.4 115 8.2 7.8 105 TIMBER CREEK 7950 3.4 2.6 131 5.0 4.2 119 ----- ----- Basin Index (%) 142 117 SHOSHONE RIVER BLACKWATER 9780 15.6 13.0 120 13.3 11.8 113 EVENING STAR 9200 19.8 14.1 140 20.3 15.9 128 MARQUETTE 8760 4.8 -M * 6.7 -M * SYLVAN ROAD 7120 7.7 6.8 113 11.3 10.7 106 YOUNTS PEAK 8350 -M 8.5 * -M 9.4 * ----- ----- Basin Index (%) 127 117 POWDER RIVER BEAR TRAP MEADOW 8200 5.8 2.9 200 6.4 4.7 136 CLOUD PEAK RESERVOIR 9860 10.6 7.3 145 9.5 7.1 134 GRAVE SPRINGS 8550 7.0 4.4 159 7.7 5.8 133 HANSEN SAWMILL 8360 4.8 3.5 137 6.5 4.6 141 MIDDLE POWDER 7760 9.7 6.0 162 8.5 6.8 125 POWDER RIVER PASS 9480 8.2 5.8 141 8.7 7.0 124 SOLDIER PARK 8720 4.8 -M * 6.1 -M * ----- ----- Basin Index (%) 154 131 TONGUE RIVER BIG GOOSE 7990 5.3 4.3 123 7.4 5.9 125 BONE SPRINGS DIV 9350 11.0 8.7 126 8.4 8.5 99 BURGESS JUNCTION 7880 7.6 5.9 129 8.8 6.8 129 DOME LAKE 8880 6.1 6.2 98 6.4 7.6 84 LITTLE GOOSE 8870 -M -M * -M -M * SUCKER CREEK 8880 9.3 6.4 145 10.3 7.8 132 TIE CREEK 6870 3.9 2.8 139 8.4 6.5 129 ----- ----- Basin Index (%) 126 115 BELLE FOURCHE COLE CANYON 5910 4.1 2.7 152 10.3 5.2 198 ----- ----- Basin Index (%) 152 198 CHEYENNE RIVER BASIN BLIND PARK 6890 6.3 4.1 154 12.6 7.0 180 NORTH RAPID CREEK 6130 6.0 3.7 162 11.4 5.7 200 ----- ----- Basin Index (%) 158 189 UPPER N. PLATTE ARAPAHO RIDGE 10960 13.5 11.2 121 13.6 12.8 106 BLACKHALL MTN 9820 18.6 -M * 19.7 -M * COLUMBINE 9160 16.7 12.5 134 18.2 14.2 128 DIVIDE PEAK 8880 10.5 10.5 100 14.1 12.1 117 JOE WRIGHT 10120 9.6 11.4 84 16.5 14.2 116 LAPRELE CREEK 8375 4.2 5.0 84 6.1 6.8 90 MED BOW 10500 14.5 -M * 20.7 -M * NORTH FRENCH CREEK 10130 18.1 14.0 129 19.2 14.8 130 NEVER SUMMER 10280 11.9 10.6 112 10.3 -M * OLD BATTLE 10000 17.4 15.8 110 20.0 19.7 102 RAWAH 9020 7.5 5.5 136 10.2 8.5 120 SAGE CREEK BASIN 7850 5.8 7.3 79 7.7 8.7 89 SAND LAKE 10050 16.8 14.5 116 16.7 13.4 125 SOUTH BRUSH CREEK 8440 7.1 6.2 115 9.5 8.5 112 TOWER 10500 25.9 22.9 113 27.0 22.3 121 WEBBER SPRINGS 9250 12.5 12.0 104 15.0 15.0 100 WILLOW CREEK PASS 9540 7.5 6.3 119 8.4 7.4 114 ZIRKEL 9340 18.0 15.9 113 20.2 16.7 121 ----- ----- Basin Index (%) 112 114 SWEETWATER DEER PARK 9700 5.5 7.3 75 7.5 10.9 69 LARSEN CREEK 9000 3.7 -M * 6.0 -M * SOUTH PASS 9040 6.4 7.8 82 6.4 9.8 65 ----- ----- Basin Index (%) 79 67 LOWER N. PLATTE CASPER MTN. 7900 -M 6.8 * -M 8.2 * LAPRELE CREEK 8375 4.2 5.0 84 6.1 6.8 90 RENO HILL 8400 10.4 6.7 155 12.6 8.1 156 WINDY PEAK 7900 3.4 3.7 92 6.1 5.8 105 ----- ----- Basin Index (%) 117 120 LARAMIE RIVER BROOKLYN LAKE 10240 14.0 10.9 128 14.6 11.2 130 CINNABAR PARK 9574 12.9 11.7 110 15.4 14.3 108 CROW CREEK 8330 4.5 5.1 88 6.5 6.0 108 DEADMAN HILL 10220 12.0 8.3 145 12.2 9.1 134 RAWAH 9020 7.5 5.5 136 10.2 8.5 120 ROACH 9700 9.2 8.8 105 11.7 10.5 111 ----- ----- Basin Index (%) 119 118 S. PLATTE BLACK MOUNTAIN 8920 6.6 -M * 8.2 -M * CROW CREEK 8330 4.5 5.1 88 6.5 6.0 108 DEADMAN HILL 10220 12.0 8.3 145 12.2 9.1 134 ----- ----- Basin Index (%) 123 124 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 6.7 5.7 118 10.7 8.6 124 DIVIDE PEAK 8880 10.5 10.5 100 14.1 12.1 117 ELK RIVER 8700 11.6 9.4 123 13.6 11.2 121 LITTLE SNAKE RIVER 8915 15.2 12.4 123 20.7 17.9 116 OLD BATTLE 10000 17.4 15.8 110 20.0 19.7 102 SAGE CREEK BASIN 7850 5.8 7.3 79 7.7 8.7 89 SANDSTONE RS 8150 7.1 6.9 103 11.2 10.5 107 WHISKEY PARK 8950 21.1 13.5 156 23.0 15.3 150 ----- ----- Basin Index (%) 117 116 UPPER GREEN RIVER BIG SANDY OPENING 9080 5.8 7.0 83 5.5 7.4 74 BLIND BULL SUM 8650 14.1 12.3 115 10.4 11.3 92 EAST RIM DIVIDE 7930 7.2 5.7 126 6.2 6.8 91 ELKHART PARK G.S. 9400 7.4 6.5 114 6.9 7.6 91 GROS VENTRE SUMMIT 8750 7.6 7.5 101 6.7 7.3 92 GUNSIGHT PASS 9820 8.8 7.4 119 8.5 7.8 109 KENDALL R.S. 7740 7.3 6.6 111 8.2 8.1 101 LOOMIS PARK 8240 8.6 7.9 109 9.9 9.9 100 NEW FORK LAKE 8340 5.9 5.7 104 5.2 6.2 84 POCKET CREEK 9360 4.8 -M * 5.2 -M * SNIDER BASIN 8060 7.7 6.4 120 8.1 8.1 100 SPRING CREEK DIVIDE 9000 13.5 12.2 111 13.6 13.6 100 TRIPLE PEAK 8500 13.2 11.4 116 15.2 13.9 109 ----- ----- Basin Index (%) 111 97 LOWER GREEN RIVER BLACKS FORK JCT 8870 3.4 -M * 6.8 -M * BUCK PASTURE 9700 6.2 -M * 8.7 -M * EF BLACKS FORK GS 9360 3.1 -M * 6.0 -M * HAMS FORK 7840 5.3 5.8 91 5.9 6.4 92 HEWINTA 9519 3.7 4.9 76 7.1 7.6 93 HICKERSON PARK 9145 4.5 3.2 141 6.0 5.6 107 HOLE-IN-ROCK 9150 3.6 3.4 106 5.6 5.2 108 INDIAN CREEK 9425 10.9 12.5 87 10.2 12.3 83 KELLEY R.S. 8180 7.3 7.5 97 9.0 10.2 88 SPIRIT LK 10235 5.6 -M * 8.5 -M * STEEL CREEK PARK 10200 7.2 7.4 97 8.8 8.8 100 ----- ----- Basin Index (%) 95 94 UPPER BEAR RIVER BEAR RIVER RS 8777 4.0 -M * 6.6 -M * BUG LAKE 7950 8.2 8.7 94 8.5 10.9 78 BURTS MILLER RANCH 8000 3.3 -M * 3.7 -M * CHALK CREEK #1 8993 10.7 11.7 91 11.6 13.8 84 HAYDEN FORK 9212 6.5 7.3 89 10.1 11.5 88 KELLEY R.S. 8180 7.3 7.5 97 9.0 10.2 88 LILY LAKE 9156 6.7 6.5 103 8.5 9.5 89 MONTE CRISTO 8960 11.0 13.7 80 11.2 14.4 78 SALT RIVER SUMMIT 7760 7.1 6.4 111 8.9 9.3 96 ----- ----- Basin Index (%) 93 85 ----------------------------------------------------------------------------- -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.