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 THURSDAY: JANUARY 31 , 2013 ------------------------------------------------------------------------------ BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Median Median Current Average Avg ------------------------------------------------------------------------------ WYOMING SNAKE RIVER BASE CAMP 7030 11.8 10.8 109 14.4 14.0 103 BLACK BEAR 8170 26.1 23.2 112 25.0 24.8 101 BLIND BULL SUM 8650 12.4 13.7 91 9.8 12.8 77 COTTONWOOD CREEK 7670 11.6 12.7 91 15.0 15.8 95 EAST RIM DIVIDE 7930 6.7 6.8 99 5.9 7.7 77 GRAND TARGHEE 9260 25.2 23.5 107 20.0 20.5 98 GRANITE CREEK 6770 9.3 10.4 89 11.1 13.6 82 GRASSY LAKE 7265 18.1 20.0 90 21.7 23.8 91 GROS VENTRE SUMMIT 8750 7.7 8.3 93 8.3 8.2 101 GUNSIGHT PASS 9820 8.3 8.2 101 8.7 8.8 99 LEWIS LAKE DIVIDE 7850 19.4 19.8 98 23.1 23.1 100 PHILLIPS BENCH 8200 14.0 15.9 88 16.0 18.1 88 SALT RIVER SUMMIT 7760 6.9 7.7 90 9.8 10.6 92 SNAKE RIVER STATION 6920 9.5 10.7 89 15.1 15.4 98 SPRING CREEK DIVIDE 9000 13.3 14.3 93 13.9 15.3 91 THUMB DIVIDE 7980 11.3 9.6 118 12.4 12.1 102 TOGWOTEE PASS 9580 13.4 14.9 90 14.2 15.8 90 TWO OCEAN PLATEAU 9240 18.6 17.4 107 16.9 17.2 98 WILLOW CREEK 8380 15.4 17.0 91 19.6 21.5 91 YOUNTS PEAK 8350 8.9 9.5 94 8.3 10.4 80 ----- ----- Basin wide percent 98 93 MADISON-GALLATIN BLACK BEAR 8170 26.1 23.2 112 25.0 24.8 101 CANYON 7870 7.5 8.1 93 8.6 10.7 80 MADISON PLATEAU 7750 15.6 14.0 111 18.5 17.3 107 WEST YELLOWSTONE 6700 6.4 7.0 91 10.3 9.6 107 WHISKEY CREEK 6800 7.7 9.6 80 13.7 13.2 104 ----- ----- Basin wide percent 102 101 YELLOWSTONE BEARTOOTH LAKE 9360 11.1 13.8 80 11.5 12.8 90 BURNT MTN 5880 2.4 2.4 100 6.3 7.8 81 CANYON 7870 7.5 8.1 93 8.6 10.7 80 COLE CREEK 7850 5.5 8.3 66 5.5 7.6 72 EVENING STAR 9200 16.0 16.2 99 18.2 17.8 102 FISHER CREEK 9100 22.7 20.5 111 22.0 20.6 107 NORTHEAST ENTRANCE 7350 4.8 6.3 76 8.0 8.2 98 PARKER PEAK 9400 13.9 12.9 108 13.7 11.3 121 SYLVAN LAKE 8420 12.1 12.9 94 16.3 14.8 110 THUMB DIVIDE 7980 11.3 9.6 118 12.4 12.1 102 TWO OCEAN PLATEAU 9240 18.6 17.4 107 16.9 17.2 98 WHITE MILL 8700 14.3 14.5 99 15.1 15.3 99 WOLVERINE 7650 6.5 7.0 93 7.0 8.1 86 ----- ----- Basin wide percent 98 98 WIND RIVER BURROUGHS CREEK 8750 7.7 8.3 93 7.7 10.4 74 CASTLE CREEK 8400 4.6 -M * 6.0 -M * COLD SPRINGS 9630 5.1 4.5 113 6.1 6.2 98 DEER PARK 9700 7.9 9.3 85 9.2 12.2 75 HOBBS PARK 10100 6.9 7.9 87 6.6 7.7 86 KIRWIN 9550 -M 5.8 * -M 7.2 * LITTLE WARM 9370 6.6 6.3 105 7.9 8.1 98 OWL CREEK 8975 3.3 3.1 106 3.5 3.6 97 SOUTH PASS 9040 6.4 8.7 74 6.1 10.9 56 ST. LAWRENCE ALT 8620 -M 4.2 * -M 5.3 * TOGWOTEE PASS 9580 13.4 14.9 90 14.2 15.8 90 TOWNSEND CREEK 8700 2.5 5.1 49 4.9 7.0 70 ----- ----- Basin wide percent 88 81 BIGHORN BASIN BALD MTN. 9380 8.0 10.8 74 5.8 10.6 55 BEAR TRAP MEADOW 8200 5.1 3.4 150 5.8 5.1 114 BONE SPRINGS DIV 9350 8.4 9.8 86 7.5 9.6 78 GRAVE SPRINGS 8550 3.3 4.9 67 4.5 6.4 70 KIRWIN 9550 -M 5.8 * -M 7.2 * MARQUETTE 8760 3.1 -M * 5.0 -M * MIDDLE POWDER 7760 5.1 6.3 81 8.6 7.3 118 OWL CREEK 8975 3.3 3.1 106 3.5 3.6 97 POWDER RIVER PASS 9480 6.8 6.4 106 7.4 7.8 95 SHELL CREEK 9580 8.8 9.1 97 8.2 8.9 92 TIMBER CREEK 7950 2.1 2.9 72 4.3 4.5 96 ----- ----- Basin wide percent 90 87 SHOSHONE RIVER BLACKWATER 9780 14.4 14.7 98 14.3 13.2 108 EVENING STAR 9200 16.0 16.2 99 18.2 17.8 102 MARQUETTE 8760 3.1 -M * 5.0 -M * SYLVAN ROAD 7120 6.5 7.8 83 11.8 11.8 100 YOUNTS PEAK 8350 8.9 9.5 94 8.3 10.4 80 ----- ----- Basin wide percent 95 99 POWDER RIVER BEAR TRAP MEADOW 8200 5.1 3.4 150 5.8 5.1 114 CLOUD PEAK RESERVOIR 9860 6.8 8.2 83 7.2 7.9 91 GRAVE SPRINGS 8550 3.3 4.9 67 4.5 6.4 70 HANSEN SAWMILL 8360 3.7 4.0 92 5.2 5.0 104 MIDDLE POWDER 7760 5.1 6.3 81 8.6 7.3 118 POWDER RIVER PASS 9480 6.8 6.4 106 7.4 7.8 95 SOLDIER PARK 8720 2.2 -M * 5.1 -M * ----- ----- Basin wide percent 93 98 TONGUE RIVER BIG GOOSE 7990 3.4 4.9 69 4.9 6.5 75 BONE SPRINGS DIV 9350 8.4 9.8 86 7.5 9.6 78 BURGESS JUNCTION 7880 4.7 6.6 71 4.7 7.4 64 DOME LAKE 8880 5.1 6.8 75 6.7 8.3 81 LITTLE GOOSE 8870 4.2 -M * 6.9 -M * SUCKER CREEK 8880 6.3 7.0 90 6.2 8.6 72 TIE CREEK 6870 2.1 3.4 62 5.8 7.0 83 ----- ----- Basin wide percent 78 76 BELLE FOURCHE COLE CANYON 5910 2.3 3.2 72 4.0 5.6 71 ----- ----- Basin wide percent 72 71 CHEYENNE RIVER BASIN BLIND PARK 6890 3.6 4.6 78 6.2 7.7 81 NORTH RAPID CREEK 6130 3.4 4.2 81 4.7 6.2 76 ----- ----- Basin wide percent 80 78 UPPER N. PLATTE ARAPAHO RIDGE 10960 10.8 -M * 10.8 -M * BLACKHALL MTN 9820 13.1 -M * 15.1 -M * COLUMBINE 9160 10.8 14.5 74 11.7 16.3 72 DIVIDE PEAK 8880 8.8 12.2 72 10.7 13.5 79 JOE WRIGHT 10120 7.0 12.9 54 13.4 15.9 84 LAPRELE CREEK 8375 -M 5.4 * 3.5 7.5 47 MED BOW 10500 12.5 -M * 16.1 -M * NORTH FRENCH CREEK 10130 11.9 15.9 75 12.3 16.8 73 NEVER SUMMER 10280 8.1 -M * 6.8 -M * OLD BATTLE 10000 15.0 19.0 79 16.6 22.2 75 RAWAH 9020 5.3 -M * 8.0 -M * SAGE CREEK BASIN 7850 6.6 8.3 80 7.0 9.8 71 SAND LAKE 10050 11.1 16.3 68 11.5 15.0 77 SOUTH BRUSH CREEK 8440 5.2 7.3 71 6.7 9.5 71 TOWER 10500 17.1 27.2 63 17.1 25.3 68 WEBBER SPRINGS 9250 11.1 13.5 82 12.8 16.9 76 WILLOW CREEK PASS 9540 7.0 7.5 93 8.1 8.3 98 ZIRKEL 9340 12.1 -M * 14.5 -M * ----- ----- Basin wide percent 72 74 SWEETWATER DEER PARK 9700 7.9 9.3 85 9.2 12.2 75 LARSEN CREEK 9000 5.3 -M * 8.2 -M * SOUTH PASS 9040 6.4 8.7 74 6.1 10.9 56 ----- ----- Basin wide percent 79 66 LOWER N. PLATTE CASPER MTN. 7900 2.2 7.5 29 -M 9.0 * LAPRELE CREEK 8375 -M 5.4 * 3.5 7.5 47 RENO HILL 8400 2.7 7.6 36 4.1 8.8 47 WINDY PEAK 7900 1.1 4.1 27 3.7 6.3 59 ----- ----- Basin wide percent 31 50 LARAMIE RIVER BROOKLYN LAKE 10240 -M 12.0 * -M 12.8 * CINNABAR PARK 9574 8.5 13.1 65 9.5 15.7 61 CROW CREEK 8330 2.0 5.7 35 4.3 6.4 67 DEADMAN HILL 10220 7.4 10.0 74 7.2 10.2 71 RAWAH 9020 5.3 -M * 8.0 -M * ROACH 9700 6.8 9.9 69 8.3 11.7 71 ----- ----- Basin wide percent 64 67 S. PLATTE BLACK MOUNTAIN 8920 3.7 -M * 4.8 -M * CROW CREEK 8330 2.0 5.7 35 4.3 6.4 67 DEADMAN HILL 10220 7.4 10.0 74 7.2 10.2 71 ----- ----- Basin wide percent 60 69 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 5.1 7.0 73 6.9 9.6 72 DIVIDE PEAK 8880 8.8 12.2 72 10.7 13.5 79 ELK RIVER 8700 8.2 11.1 74 9.0 12.6 71 LITTLE SNAKE RIVER 8915 11.4 15.4 74 15.5 20.4 76 OLD BATTLE 10000 15.0 19.0 79 16.6 22.2 75 SAGE CREEK BASIN 7850 6.6 8.3 80 7.0 9.8 71 SANDSTONE RS 8150 7.2 8.0 90 7.6 11.9 64 WHISKEY PARK 8950 12.2 15.8 77 14.4 17.7 81 ----- ----- Basin wide percent 77 75 UPPER GREEN RIVER BIG SANDY OPENING 9080 7.5 8.1 93 7.8 8.3 94 BLIND BULL SUM 8650 12.4 13.7 91 9.8 12.8 77 EAST RIM DIVIDE 7930 6.7 6.8 99 5.9 7.7 77 ELKHART PARK G.S. 9400 6.9 7.4 93 7.5 8.4 89 GROS VENTRE SUMMIT 8750 7.7 8.3 93 8.3 8.2 101 GUNSIGHT PASS 9820 8.3 8.2 101 8.7 8.8 99 KENDALL R.S. 7740 7.2 7.8 92 8.5 9.2 92 LOOMIS PARK 8240 8.0 9.4 85 9.4 11.2 84 NEW FORK LAKE 8340 5.6 6.8 82 5.0 7.0 71 POCKET CREEK 9360 7.2 -M * 8.0 -M * SNIDER BASIN 8060 6.2 7.4 84 8.1 9.2 88 SPRING CREEK DIVIDE 9000 13.3 14.3 93 13.9 15.3 91 TRIPLE PEAK 8500 11.3 13.1 86 13.7 15.9 86 ----- ----- Basin wide percent 91 87 LOWER GREEN RIVER BLACKS FORK JCT 8870 4.4 -M * 6.2 -M * BUCK PASTURE 9700 7.9 -M * 10.1 -M * EF BLACKS FORK GS 9308 9.0 -M * 5.6 -M * HAMS FORK 7840 6.1 7.0 87 6.0 7.3 82 HEWINTA 9519 5.4 5.6 96 7.4 8.6 86 HICKERSON PARK 9145 3.9 3.8 103 5.6 6.1 92 HOLE-IN-ROCK 9150 5.0 4.0 125 6.1 5.7 107 INDIAN CREEK 9425 12.3 14.5 85 11.4 13.9 82 KELLEY R.S. 8180 8.1 8.9 91 9.4 11.5 82 SPIRIT LK 10223 6.4 6.3 102 9.5 12.0 79 STEEL CREEK PARK 10200 6.0 8.6 70 8.6 9.8 88 ----- ----- Basin wide percent 91 85 UPPER BEAR RIVER BEAR RIVER RS 8500 5.1 -M * 7.1 -M * BUG LAKE 7950 9.9 10.5 94 11.7 12.3 95 BURTS MILLER RANCH 8000 3.8 3.0 127 5.2 6.0 87 CHALK CREEK #1 8993 11.6 13.3 87 14.1 15.6 90 HAYDEN FORK 9212 7.0 8.5 82 10.3 13.0 79 KELLEY R.S. 8180 8.1 8.9 91 9.4 11.5 82 LILY LAKE 9156 6.4 7.4 86 7.6 10.6 72 MONTE CRISTO 8960 13.1 15.8 83 15.0 16.2 93 SALT RIVER SUMMIT 7760 6.9 7.7 90 9.8 10.6 92 ----- ----- Basin wide percent 89 87 ----------------------------------------------------------------------------- -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 wide percent 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. Reference period for comparison of conditions is 1981-2010. Provisional data, subject to revision. ---------------------------------------------------------------------------- -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.