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 25 , 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 10.3 102 11.9 13.2 90 BLACK BEAR 8170 20.3 22.7 89 19.6 23.6 83 BLIND BULL SUM 8650 14.2 13.0 109 10.5 12.2 86 COTTONWOOD CREEK 7670 12.5 11.8 106 14.2 14.9 95 EAST RIM DIVIDE 7930 7.1 6.5 109 6.3 7.3 86 GRAND TARGHEE 9260 24.5 22.5 109 18.0 19.5 92 GRANITE CREEK 6770 7.9 9.4 84 9.2 12.9 71 GRASSY LAKE 7265 17.0 18.5 92 18.2 22.6 81 GROS VENTRE SUMMIT 8750 7.7 7.9 97 6.8 7.8 87 GUNSIGHT PASS 9820 8.8 7.9 111 8.6 8.4 102 LEWIS LAKE DIVIDE 7850 14.3 18.3 78 17.1 21.9 78 PHILLIPS BENCH 8200 12.7 15.8 80 13.7 17.2 80 SALT RIVER SUMMIT 7760 7.1 7.3 97 9.0 10.0 90 SNAKE RIVER STATION 6920 8.9 9.7 92 11.6 14.6 79 SPRING CREEK DIVIDE 9000 13.6 13.1 104 13.7 14.6 94 THUMB DIVIDE 7980 7.3 8.9 82 7.8 11.6 67 TOGWOTEE PASS 9580 14.8 13.8 107 14.6 15.1 97 TWO OCEAN PLATEAU 9240 18.1 16.1 112 14.8 16.4 90 WILLOW CREEK 8380 15.4 16.2 95 18.7 20.5 91 YOUNTS PEAK 8350 -M 8.9 * -M 10.0 * ----- ----- Basin Index (%) 97 86 MADISON-GALLATIN BLACK BEAR 8170 20.3 22.7 89 19.6 23.6 83 CANYON 7870 7.3 7.7 95 8.8 10.1 87 MADISON PLATEAU 7750 11.3 13.7 82 12.2 16.4 74 WEST YELLOWSTONE 6700 6.3 6.7 94 7.4 9.0 82 WHISKEY CREEK 6800 8.0 9.2 87 10.1 12.6 80 ----- ----- Basin Index (%) 89 81 YELLOWSTONE BEARTOOTH LAKE 9360 14.0 13.1 107 12.7 12.1 105 BURNT MTN 5880 5.2 2.4 217 11.1 7.6 146 CANYON 7870 7.3 7.7 95 8.8 10.1 87 COLE CREEK 7850 11.5 7.8 147 8.2 7.3 112 EVENING STAR 9200 19.8 14.9 133 20.3 17.0 119 FISHER CREEK 9100 21.2 19.7 108 18.7 19.6 95 NORTHEAST ENTRANCE 7350 6.4 6.0 107 7.1 7.8 91 PARKER PEAK 9400 16.0 12.2 131 14.8 10.8 137 SYLVAN LAKE 8420 12.6 12.2 103 14.8 14.1 105 THUMB DIVIDE 7980 7.3 8.9 82 7.8 11.6 67 TWO OCEAN PLATEAU 9240 18.1 16.1 112 14.8 16.4 90 WHITE MILL 8700 15.8 13.7 115 13.5 14.6 92 WOLVERINE 7650 8.4 6.5 129 7.2 7.8 92 ----- ----- Basin Index (%) 116 102 WIND RIVER BURROUGHS CREEK 8750 -M 7.9 * -M 10.0 * CASTLE CREEK 8400 3.9 -M * 5.5 -M * COLD SPRINGS 9630 5.6 4.2 133 7.4 5.9 125 DEER PARK 9700 5.2 8.3 63 7.7 11.7 66 HOBBS PARK 10100 7.7 7.8 99 7.1 7.4 96 KIRWIN 9550 8.1 5.5 147 7.5 7.0 107 LITTLE WARM 9370 6.8 5.9 115 8.2 7.7 106 OWL CREEK 8975 4.0 3.0 133 3.9 3.4 115 SOUTH PASS 9040 6.5 8.2 79 6.5 10.4 62 ST. LAWRENCE ALT 8620 2.9 3.9 74 5.5 5.1 108 TOGWOTEE PASS 9580 14.8 13.8 107 14.6 15.1 97 TOWNSEND CREEK 8700 3.8 4.8 79 4.8 6.8 71 ----- ----- Basin Index (%) 100 91 BIGHORN BASIN BALD MTN. 9380 14.4 10.4 138 11.3 10.2 111 BEAR TRAP MEADOW 8200 6.1 3.2 191 6.5 5.0 130 BONE SPRINGS DIV 9350 11.1 9.5 117 8.6 9.1 95 GRAVE SPRINGS 8550 7.3 4.8 152 7.8 6.2 126 KIRWIN 9550 8.1 5.5 147 7.5 7.0 107 MARQUETTE 8760 4.9 -M * 6.8 -M * MIDDLE POWDER 7760 9.9 6.1 162 8.7 7.0 124 OWL CREEK 8975 4.0 3.0 133 3.9 3.4 115 POWDER RIVER PASS 9480 8.4 6.0 140 9.0 7.5 120 SHELL CREEK 9580 10.0 8.8 114 8.5 8.4 101 TIMBER CREEK 7950 3.6 2.9 124 5.3 4.3 123 ----- ----- Basin Index (%) 138 113 SHOSHONE RIVER BLACKWATER 9780 15.8 13.6 116 13.5 12.6 107 EVENING STAR 9200 19.8 14.9 133 20.3 17.0 119 MARQUETTE 8760 4.9 -M * 6.8 -M * SYLVAN ROAD 7120 7.7 7.4 104 11.4 11.3 101 YOUNTS PEAK 8350 -M 8.9 * -M 10.0 * ----- ----- Basin Index (%) 121 111 POWDER RIVER BEAR TRAP MEADOW 8200 6.1 3.2 191 6.5 5.0 130 CLOUD PEAK RESERVOIR 9860 11.0 7.8 141 9.9 7.6 130 GRAVE SPRINGS 8550 7.3 4.8 152 7.8 6.2 126 HANSEN SAWMILL 8360 4.7 3.9 121 6.7 4.8 140 MIDDLE POWDER 7760 9.9 6.1 162 8.7 7.0 124 POWDER RIVER PASS 9480 8.4 6.0 140 9.0 7.5 120 SOLDIER PARK 8720 4.9 -M * 6.3 -M * ----- ----- Basin Index (%) 149 128 TONGUE RIVER BIG GOOSE 7990 5.5 4.6 120 7.9 6.2 127 BONE SPRINGS DIV 9350 11.1 9.5 117 8.6 9.1 95 BURGESS JUNCTION 7880 7.8 6.4 122 9.3 7.2 129 DOME LAKE 8880 6.2 6.5 95 6.6 8.0 82 LITTLE GOOSE 8870 6.2 -M * 8.9 -M * SUCKER CREEK 8880 9.5 6.8 140 10.7 8.2 130 TIE CREEK 6870 4.0 3.1 129 8.6 6.8 126 ----- ----- Basin Index (%) 120 114 BELLE FOURCHE COLE CANYON 5910 4.0 3.1 129 10.8 5.5 196 ----- ----- Basin Index (%) 129 196 CHEYENNE RIVER BASIN BLIND PARK 6890 6.3 4.2 150 12.6 7.4 170 NORTH RAPID CREEK 6130 5.8 4.0 145 11.5 6.0 192 ----- ----- Basin Index (%) 148 180 UPPER N. PLATTE ARAPAHO RIDGE 10960 13.6 12.0 113 13.7 13.4 102 BLACKHALL MTN 9820 18.7 -M * 19.9 -M * COLUMBINE 9160 16.7 13.7 122 18.3 15.4 119 DIVIDE PEAK 8880 10.5 11.5 91 14.2 13.0 109 JOE WRIGHT 10120 9.5 12.4 77 16.3 15.2 107 LAPRELE CREEK 8375 4.5 5.3 85 6.3 7.2 88 MED BOW 10500 14.5 -M * 21.9 -M * NORTH FRENCH CREEK 10130 18.1 15.2 119 19.2 15.9 121 NEVER SUMMER 10280 11.7 11.4 103 10.3 -M * OLD BATTLE 10000 17.3 17.9 97 20.1 21.2 95 RAWAH 9020 7.5 5.9 127 10.2 8.8 116 SAGE CREEK BASIN 7850 6.0 7.7 78 7.7 9.2 84 SAND LAKE 10050 16.8 15.6 108 16.8 14.3 117 SOUTH BRUSH CREEK 8440 6.8 6.9 99 9.6 9.0 107 TOWER 10500 25.8 25.6 101 27.0 24.0 112 WEBBER SPRINGS 9250 12.4 12.8 97 15.1 16.1 94 WILLOW CREEK PASS 9540 7.3 6.9 106 8.3 7.9 105 ZIRKEL 9340 18.1 17.0 106 20.1 17.6 114 ----- ----- Basin Index (%) 102 107 SWEETWATER DEER PARK 9700 5.2 8.3 63 7.7 11.7 66 LARSEN CREEK 9000 3.7 -M * 6.1 -M * SOUTH PASS 9040 6.5 8.2 79 6.5 10.4 62 ----- ----- Basin Index (%) 71 64 LOWER N. PLATTE CASPER MTN. 7900 -M 7.2 * -M 8.7 * LAPRELE CREEK 8375 4.5 5.3 85 6.3 7.2 88 RENO HILL 8400 10.6 7.4 143 12.7 8.5 149 WINDY PEAK 7900 3.6 4.0 90 6.1 6.1 100 ----- ----- Basin Index (%) 112 115 LARAMIE RIVER BROOKLYN LAKE 10240 14.1 11.6 122 14.6 12.2 120 CINNABAR PARK 9574 12.5 12.5 100 15.7 15.1 104 CROW CREEK 8330 4.6 5.6 82 6.7 6.3 106 DEADMAN HILL 10220 12.1 9.1 133 12.3 9.7 127 RAWAH 9020 7.5 5.9 127 10.2 8.8 116 ROACH 9700 9.3 9.6 97 11.9 11.2 106 ----- ----- Basin Index (%) 111 113 S. PLATTE BLACK MOUNTAIN 8920 6.7 -M * 8.2 -M * CROW CREEK 8330 4.6 5.6 82 6.7 6.3 106 DEADMAN HILL 10220 12.1 9.1 133 12.3 9.7 127 ----- ----- Basin Index (%) 114 119 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 6.6 6.6 100 10.8 9.2 117 DIVIDE PEAK 8880 10.5 11.5 91 14.2 13.0 109 ELK RIVER 8700 11.4 10.2 112 13.7 12.0 114 LITTLE SNAKE RIVER 8915 14.9 14.1 106 20.6 19.6 105 OLD BATTLE 10000 17.3 17.9 97 20.1 21.2 95 SAGE CREEK BASIN 7850 6.0 7.7 78 7.7 9.2 84 SANDSTONE RS 8150 6.8 7.5 91 11.3 11.3 100 WHISKEY PARK 8950 21.0 15.0 140 23.4 16.7 140 ----- ----- Basin Index (%) 104 109 UPPER GREEN RIVER BIG SANDY OPENING 9080 5.9 7.4 80 5.6 8.0 70 BLIND BULL SUM 8650 14.2 13.0 109 10.5 12.2 86 EAST RIM DIVIDE 7930 7.1 6.5 109 6.3 7.3 86 ELKHART PARK G.S. 9400 7.5 7.1 106 7.0 8.1 86 GROS VENTRE SUMMIT 8750 7.7 7.9 97 6.8 7.8 87 GUNSIGHT PASS 9820 8.8 7.9 111 8.6 8.4 102 KENDALL R.S. 7740 7.3 7.3 100 8.4 8.7 97 LOOMIS PARK 8240 8.6 9.1 95 10.0 10.6 94 NEW FORK LAKE 8340 5.9 6.5 91 5.4 6.7 81 POCKET CREEK 9360 4.7 -M * 5.3 -M * SNIDER BASIN 8060 7.8 7.0 111 8.3 8.7 95 SPRING CREEK DIVIDE 9000 13.6 13.1 104 13.7 14.6 94 TRIPLE PEAK 8500 13.1 12.0 109 15.2 15.1 101 ----- ----- Basin Index (%) 103 91 LOWER GREEN RIVER BLACKS FORK JCT 8870 3.4 -M * 6.7 -M * BUCK PASTURE 9700 6.0 -M * 8.6 -M * EF BLACKS FORK GS 9360 2.9 -M * 5.9 -M * HAMS FORK 7840 5.4 6.8 79 6.0 6.9 87 HEWINTA 9519 3.7 5.2 71 7.0 8.2 85 HICKERSON PARK 9145 4.5 3.4 132 5.9 5.8 102 HOLE-IN-ROCK 9150 3.9 3.8 103 5.6 5.5 102 INDIAN CREEK 9425 11.1 13.7 81 10.4 13.2 79 KELLEY R.S. 8180 7.3 8.5 86 9.2 10.9 84 SPIRIT LK 10235 5.7 -M * 8.6 -M * STEEL CREEK PARK 10200 7.0 8.0 88 8.9 9.4 95 ----- ----- Basin Index (%) 87 88 UPPER BEAR RIVER BEAR RIVER RS 8777 4.0 -M * 6.6 -M * BUG LAKE 7950 8.2 9.6 85 8.6 11.8 73 BURTS MILLER RANCH 8000 3.2 -M * 3.8 -M * CHALK CREEK #1 8993 10.5 12.6 83 11.6 14.8 78 HAYDEN FORK 9212 6.3 8.0 79 10.1 12.4 81 KELLEY R.S. 8180 7.3 8.5 86 9.2 10.9 84 LILY LAKE 9156 6.7 7.0 96 8.5 10.1 84 MONTE CRISTO 8960 10.8 14.6 74 11.3 15.4 73 SALT RIVER SUMMIT 7760 7.1 7.3 97 9.0 10.0 90 ----- ----- Basin Index (%) 84 80 ----------------------------------------------------------------------------- -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.