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 29 , 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 10.7 99 11.9 13.7 87 BLACK BEAR 8170 20.4 23.1 88 19.7 24.4 81 BLIND BULL SUM 8650 14.1 13.4 105 10.5 12.6 83 COTTONWOOD CREEK 7670 12.5 12.3 102 14.3 15.5 92 EAST RIM DIVIDE 7930 7.2 6.7 107 6.2 7.5 83 GRAND TARGHEE 9260 24.5 23.3 105 18.0 20.3 89 GRANITE CREEK 6770 7.9 10.0 79 9.2 13.3 69 GRASSY LAKE 7265 17.0 19.5 87 18.3 23.4 78 GROS VENTRE SUMMIT 8750 7.7 8.2 94 6.8 8.0 85 GUNSIGHT PASS 9820 8.8 8.1 109 8.6 8.7 99 LEWIS LAKE DIVIDE 7850 14.3 19.3 74 17.3 22.7 76 PHILLIPS BENCH 8200 12.8 15.9 81 13.7 17.8 77 SALT RIVER SUMMIT 7760 6.9 7.5 92 9.0 10.4 87 SNAKE RIVER STATION 6920 8.9 10.3 86 11.6 15.1 77 SPRING CREEK DIVIDE 9000 13.6 13.8 99 13.7 15.0 91 THUMB DIVIDE 7980 7.3 9.4 78 7.9 12.0 66 TOGWOTEE PASS 9580 14.8 14.7 101 14.6 15.5 94 TWO OCEAN PLATEAU 9240 18.0 16.8 107 14.8 16.9 88 WILLOW CREEK 8380 15.4 16.8 92 18.8 21.2 89 YOUNTS PEAK 8350 -M 9.2 * -M 10.3 * ----- ----- Basin Index (%) 93 83 MADISON-GALLATIN BLACK BEAR 8170 20.4 23.1 88 19.7 24.4 81 CANYON 7870 7.4 8.0 92 8.8 10.5 84 MADISON PLATEAU 7750 11.3 14.0 81 12.3 17.1 72 WEST YELLOWSTONE 6700 6.4 6.9 93 7.5 9.5 79 WHISKEY CREEK 6800 8.0 9.5 84 10.1 13.0 78 ----- ----- Basin Index (%) 87 78 YELLOWSTONE BEARTOOTH LAKE 9360 14.1 13.5 104 12.6 12.6 100 BURNT MTN 5880 5.7 2.4 238 11.8 7.8 151 CANYON 7870 7.4 8.0 92 8.8 10.5 84 COLE CREEK 7850 12.6 8.1 156 8.8 7.5 117 EVENING STAR 9200 20.0 15.8 127 20.4 17.6 116 FISHER CREEK 9100 21.3 20.2 105 18.7 20.4 92 NORTHEAST ENTRANCE 7350 6.4 6.2 103 7.2 8.1 89 PARKER PEAK 9400 16.0 12.6 127 14.8 11.2 132 SYLVAN LAKE 8420 12.7 12.7 100 14.8 14.5 102 THUMB DIVIDE 7980 7.3 9.4 78 7.9 12.0 66 TWO OCEAN PLATEAU 9240 18.0 16.8 107 14.8 16.9 88 WHITE MILL 8700 15.8 14.2 111 13.5 15.1 89 WOLVERINE 7650 8.4 6.8 124 7.2 8.0 90 ----- ----- Basin Index (%) 113 99 WIND RIVER BURROUGHS CREEK 8750 -M 8.2 * -M 10.3 * CASTLE CREEK 8400 4.0 -M * 5.7 -M * COLD SPRINGS 9630 5.5 4.3 128 7.6 6.1 125 DEER PARK 9700 5.1 8.9 57 7.7 12.0 64 HOBBS PARK 10100 7.7 7.9 97 7.1 7.6 93 KIRWIN 9550 8.3 5.7 146 7.5 7.1 106 LITTLE WARM 9370 6.8 6.1 111 8.2 8.0 102 OWL CREEK 8975 4.0 3.1 129 3.9 3.5 111 SOUTH PASS 9040 6.6 8.3 80 6.5 10.7 61 ST. LAWRENCE ALT 8620 3.0 4.1 73 5.5 5.2 106 TOGWOTEE PASS 9580 14.8 14.7 101 14.6 15.5 94 TOWNSEND CREEK 8700 3.8 5.0 76 4.8 6.9 70 ----- ----- Basin Index (%) 96 89 BIGHORN BASIN BALD MTN. 9380 14.7 10.6 139 11.3 10.5 108 BEAR TRAP MEADOW 8200 6.1 3.4 179 6.6 5.1 129 BONE SPRINGS DIV 9350 11.3 9.7 116 8.6 9.4 91 GRAVE SPRINGS 8550 7.4 4.9 151 8.0 6.3 127 KIRWIN 9550 8.3 5.7 146 7.5 7.1 106 MARQUETTE 8760 5.0 -M * 6.9 -M * MIDDLE POWDER 7760 10.3 6.2 166 8.9 7.2 124 OWL CREEK 8975 4.0 3.1 129 3.9 3.5 111 POWDER RIVER PASS 9480 8.6 6.2 139 9.0 7.7 117 SHELL CREEK 9580 10.2 9.0 113 8.6 8.7 99 TIMBER CREEK 7950 3.9 3.0 130 5.4 4.4 123 ----- ----- Basin Index (%) 137 111 SHOSHONE RIVER BLACKWATER 9780 15.9 14.4 110 13.6 13.0 105 EVENING STAR 9200 20.0 15.8 127 20.4 17.6 116 MARQUETTE 8760 5.0 -M * 6.9 -M * SYLVAN ROAD 7120 7.7 7.7 100 11.5 11.6 99 YOUNTS PEAK 8350 -M 9.2 * -M 10.3 * ----- ----- Basin Index (%) 115 108 POWDER RIVER BEAR TRAP MEADOW 8200 6.1 3.4 179 6.6 5.1 129 CLOUD PEAK RESERVOIR 9860 11.3 8.1 140 10.0 7.8 128 GRAVE SPRINGS 8550 7.4 4.9 151 8.0 6.3 127 HANSEN SAWMILL 8360 4.6 4.0 115 6.7 5.0 134 MIDDLE POWDER 7760 10.3 6.2 166 8.9 7.2 124 POWDER RIVER PASS 9480 8.6 6.2 139 9.0 7.7 117 SOLDIER PARK 8720 5.0 -M * 6.4 -M * ----- ----- Basin Index (%) 147 126 TONGUE RIVER BIG GOOSE 7990 5.5 4.8 115 7.9 6.4 123 BONE SPRINGS DIV 9350 11.3 9.7 116 8.6 9.4 91 BURGESS JUNCTION 7880 8.2 6.5 126 9.3 7.3 127 DOME LAKE 8880 6.1 6.6 92 6.6 8.2 80 LITTLE GOOSE 8870 6.3 -M * 8.9 -M * SUCKER CREEK 8880 9.7 7.0 139 10.9 8.5 128 TIE CREEK 6870 4.3 3.3 130 8.9 6.9 129 ----- ----- Basin Index (%) 119 112 BELLE FOURCHE COLE CANYON 5910 3.8 3.2 119 10.5 5.6 188 ----- ----- Basin Index (%) 119 188 CHEYENNE RIVER BASIN BLIND PARK 6890 6.3 4.4 143 12.9 7.6 170 NORTH RAPID CREEK 6130 6.0 4.2 143 11.7 6.1 192 ----- ----- Basin Index (%) 143 180 UPPER N. PLATTE ARAPAHO RIDGE 10960 13.8 12.8 108 13.9 13.8 101 BLACKHALL MTN 9820 18.8 -M * 19.8 -M * COLUMBINE 9160 17.2 14.3 120 17.9 16.0 112 DIVIDE PEAK 8880 10.4 12.0 87 13.9 13.4 104 JOE WRIGHT 10120 10.2 12.7 80 16.5 15.7 105 LAPRELE CREEK 8375 4.2 5.3 79 6.3 7.4 85 MED BOW 10500 15.1 -M * 22.7 -M * NORTH FRENCH CREEK 10130 18.4 15.8 116 18.7 16.6 113 NEVER SUMMER 10280 12.0 12.0 100 10.7 -M * OLD BATTLE 10000 17.3 18.8 92 20.1 21.9 92 RAWAH 9020 8.0 6.0 133 10.6 9.0 118 SAGE CREEK BASIN 7850 6.0 8.1 74 7.7 9.6 80 SAND LAKE 10050 17.2 16.1 107 17.1 14.8 116 SOUTH BRUSH CREEK 8440 7.1 7.2 99 9.8 9.4 104 TOWER 10500 26.3 26.8 98 26.9 25.0 108 WEBBER SPRINGS 9250 12.5 13.2 95 15.2 16.6 92 WILLOW CREEK PASS 9540 7.5 7.2 104 8.5 8.1 105 ZIRKEL 9340 18.5 17.9 103 20.1 18.3 110 ----- ----- Basin Index (%) 100 104 SWEETWATER DEER PARK 9700 5.1 8.9 57 7.7 12.0 64 LARSEN CREEK 9000 3.6 -M * 6.2 -M * SOUTH PASS 9040 6.6 8.3 80 6.5 10.7 61 ----- ----- Basin Index (%) 68 63 LOWER N. PLATTE CASPER MTN. 7900 -M 7.4 * -M 9.0 * LAPRELE CREEK 8375 4.2 5.3 79 6.3 7.4 85 RENO HILL 8400 10.8 7.6 142 12.5 8.8 142 WINDY PEAK 7900 3.5 4.1 85 6.2 6.2 100 ----- ----- Basin Index (%) 109 112 LARAMIE RIVER BROOKLYN LAKE 10240 14.3 11.9 120 14.7 12.6 117 CINNABAR PARK 9574 12.8 12.9 99 15.6 15.6 100 CROW CREEK 8330 4.8 5.7 84 6.8 6.4 106 DEADMAN HILL 10220 12.5 9.7 129 11.7 10.0 117 RAWAH 9020 8.0 6.0 133 10.6 9.0 118 ROACH 9700 9.6 9.8 98 11.5 11.6 99 ----- ----- Basin Index (%) 111 109 S. PLATTE BLACK MOUNTAIN 8920 7.1 -M * 8.1 -M * CROW CREEK 8330 4.8 5.7 84 6.8 6.4 106 DEADMAN HILL 10220 12.5 9.7 129 11.7 10.0 117 ----- ----- Basin Index (%) 112 113 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 6.7 6.8 99 10.7 9.5 113 DIVIDE PEAK 8880 10.4 12.0 87 13.9 13.4 104 ELK RIVER 8700 11.5 10.7 107 13.7 12.4 110 LITTLE SNAKE RIVER 8915 15.0 15.1 99 20.5 20.1 102 OLD BATTLE 10000 17.3 18.8 92 20.1 21.9 92 SAGE CREEK BASIN 7850 6.0 8.1 74 7.7 9.6 80 SANDSTONE RS 8150 6.8 7.8 87 11.3 11.7 97 WHISKEY PARK 8950 21.2 15.4 138 22.7 17.3 131 ----- ----- Basin Index (%) 100 104 UPPER GREEN RIVER BIG SANDY OPENING 9080 6.0 7.9 76 5.7 8.2 70 BLIND BULL SUM 8650 14.1 13.4 105 10.5 12.6 83 EAST RIM DIVIDE 7930 7.2 6.7 107 6.2 7.5 83 ELKHART PARK G.S. 9400 7.4 7.3 101 7.0 8.3 84 GROS VENTRE SUMMIT 8750 7.7 8.2 94 6.8 8.0 85 GUNSIGHT PASS 9820 8.8 8.1 109 8.6 8.7 99 KENDALL R.S. 7740 7.4 7.8 95 8.3 9.0 92 LOOMIS PARK 8240 8.7 9.3 94 10.0 11.0 91 NEW FORK LAKE 8340 5.9 6.7 88 5.3 6.9 77 POCKET CREEK 9360 4.5 -M * 5.2 -M * SNIDER BASIN 8060 7.8 7.3 107 8.3 9.0 92 SPRING CREEK DIVIDE 9000 13.6 13.8 99 13.7 15.0 91 TRIPLE PEAK 8500 13.1 12.7 103 15.2 15.6 97 ----- ----- Basin Index (%) 99 88 LOWER GREEN RIVER BLACKS FORK JCT 8870 3.6 -M * 6.8 -M * BUCK PASTURE 9700 6.2 -M * 8.5 -M * EF BLACKS FORK GS 9360 2.8 -M * 5.8 -M * HAMS FORK 7840 5.4 6.9 78 6.0 7.1 85 HEWINTA 9519 -M 5.3 * -M 8.5 * HICKERSON PARK 9145 4.6 3.7 124 6.1 6.0 102 HOLE-IN-ROCK 9150 3.9 3.9 100 5.7 5.6 102 INDIAN CREEK 9425 10.9 14.2 77 10.3 13.7 75 KELLEY R.S. 8180 7.3 8.8 83 9.2 11.4 81 SPIRIT LK 10235 5.8 -M * 8.9 -M * STEEL CREEK PARK 10200 -M 8.4 * 8.9 9.7 92 ----- ----- Basin Index (%) 86* 86 UPPER BEAR RIVER BEAR RIVER RS 8777 4.1 -M * 6.6 -M * BUG LAKE 7950 8.0 10.1 79 8.6 12.2 70 BURTS MILLER RANCH 8000 3.1 -M * 3.9 -M * CHALK CREEK #1 8993 10.5 13.2 80 11.6 15.4 75 HAYDEN FORK 9212 6.3 8.4 75 10.2 12.8 80 KELLEY R.S. 8180 7.3 8.8 83 9.2 11.4 81 LILY LAKE 9156 6.9 7.3 95 8.5 10.5 81 MONTE CRISTO 8960 11.0 15.5 71 11.2 16.0 70 SALT RIVER SUMMIT 7760 6.9 7.5 92 9.0 10.4 87 ----- ----- Basin Index (%) 80 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.