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 TUESDAY: MARCH 12 , 2013 ------------------------------------------------------------------------------ BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Median Median Current Average Avg ------------------------------------------------------------------------------ WYOMING SNAKE RIVER BASE CAMP 7030 14.4 13.8 104 17.0 18.3 93 BLACK BEAR 8170 32.8 31.6 104 30.4 33.3 91 BLIND BULL SUM 8650 15.6 19.6 80 11.9 17.0 70 COTTONWOOD CREEK 7670 15.9 18.6 85 20.0 20.9 96 EAST RIM DIVIDE 7930 8.5 9.5 89 7.0 10.2 69 GRAND TARGHEE 9260 31.0 32.1 97 24.3 25.7 95 GRANITE CREEK 6770 10.6 14.7 72 12.3 17.6 70 GRASSY LAKE 7265 23.5 27.7 85 26.7 31.4 85 GROS VENTRE SUMMIT 8750 8.6 10.9 79 9.3 11.0 85 GUNSIGHT PASS 9820 9.7 11.6 84 9.9 11.7 85 LEWIS LAKE DIVIDE 7850 23.9 26.7 90 27.2 30.9 88 PHILLIPS BENCH 8200 18.0 21.4 84 19.6 24.3 81 SALT RIVER SUMMIT 7760 9.1 11.3 81 12.1 14.3 85 SNAKE RIVER STATION 6920 12.8 15.2 84 17.8 19.7 90 SPRING CREEK DIVIDE 9000 18.1 19.7 92 18.4 20.5 90 THUMB DIVIDE 7980 13.5 13.3 102 14.2 15.8 90 TOGWOTEE PASS 9580 17.2 19.6 88 17.9 20.8 86 TWO OCEAN PLATEAU 9240 22.8 23.2 98 20.4 23.4 87 WILLOW CREEK 8380 21.3 24.2 88 25.4 28.7 89 YOUNTS PEAK 8350 10.5 12.4 85 9.8 13.5 73 ----- ----- Basin wide percent 90 86 MADISON-GALLATIN BLACK BEAR 8170 32.8 31.6 104 30.4 33.3 91 CANYON 7870 9.8 11.5 85 10.9 14.0 78 MADISON PLATEAU 7750 19.0 19.4 98 21.9 22.9 96 WEST YELLOWSTONE 6700 8.3 9.8 85 12.3 12.4 99 WHISKEY CREEK 6800 10.2 13.3 77 16.5 17.5 94 ----- ----- Basin wide percent 94 92 YELLOWSTONE BEARTOOTH LAKE 9360 13.9 18.4 76 14.3 16.9 85 BURNT MTN 5880 3.8 4.3 88 7.9 10.2 77 CANYON 7870 9.8 11.5 85 10.9 14.0 78 COLE CREEK 7850 8.2 11.3 73 6.8 10.0 68 EVENING STAR 9200 20.9 21.1 99 23.3 23.5 99 FISHER CREEK 9100 27.5 27.2 101 26.6 27.4 97 NORTHEAST ENTRANCE 7350 6.7 8.7 77 10.0 10.5 95 PARKER PEAK 9400 17.8 16.8 106 17.4 15.0 116 SYLVAN LAKE 8420 14.8 17.1 87 19.3 19.1 101 THUMB DIVIDE 7980 13.5 13.3 102 14.2 15.8 90 TWO OCEAN PLATEAU 9240 22.8 23.2 98 20.4 23.4 87 WHITE MILL 8700 18.7 19.3 97 18.4 20.3 91 WOLVERINE 7650 8.6 9.0 96 9.2 10.5 88 ----- ----- Basin wide percent 93 92 WIND RIVER BURROUGHS CREEK 8750 9.1 11.6 78 8.4 13.6 62 CASTLE CREEK 8400 5.2 -M * 6.7 -M * COLD SPRINGS 9630 6.3 6.0 105 7.5 8.1 93 DEER PARK 9700 10.2 12.2 84 11.5 16.3 71 HOBBS PARK 10100 9.4 11.0 85 9.0 10.4 87 KIRWIN 9550 -M 7.9 * -M 9.4 * LITTLE WARM 9370 8.1 8.8 92 9.5 10.6 90 OWL CREEK 8975 4.4 4.4 100 4.3 4.6 93 SOUTH PASS 9040 8.7 12.6 69 7.9 14.6 54 ST. LAWRENCE ALT 8620 4.1 5.9 69 6.1 7.1 86 TOGWOTEE PASS 9580 17.2 19.6 88 17.9 20.8 86 TOWNSEND CREEK 8700 4.6 7.4 62 6.7 9.4 71 ----- ----- Basin wide percent 83 77 BIGHORN BASIN BALD MTN. 9380 12.0 16.0 75 8.4 14.0 60 BEAR TRAP MEADOW 8200 7.0 4.7 149 7.2 6.6 109 BONE SPRINGS DIV 9350 11.2 13.3 84 9.4 12.6 75 GRAVE SPRINGS 8550 5.9 7.5 79 6.7 8.4 80 KIRWIN 9550 -M 7.9 * -M 9.4 * MARQUETTE 8760 4.4 -M * 6.7 -M * MIDDLE POWDER 7760 9.0 8.9 101 11.5 9.4 122 OWL CREEK 8975 4.4 4.4 100 4.3 4.6 93 POWDER RIVER PASS 9480 9.0 8.6 105 9.8 10.2 96 SHELL CREEK 9580 10.8 12.3 88 9.8 11.2 88 TIMBER CREEK 7950 3.2 4.1 78 5.5 5.6 98 ----- ----- Basin wide percent 91 88 SHOSHONE RIVER BLACKWATER 9780 17.9 19.2 93 17.8 17.3 103 EVENING STAR 9200 20.9 21.1 99 23.3 23.5 99 MARQUETTE 8760 4.4 -M * 6.7 -M * SYLVAN ROAD 7120 8.4 10.0 84 13.7 14.6 94 YOUNTS PEAK 8350 10.5 12.4 85 9.8 13.5 73 ----- ----- Basin wide percent 92 94 POWDER RIVER BEAR TRAP MEADOW 8200 7.0 4.7 149 7.2 6.6 109 CLOUD PEAK RESERVOIR 9860 9.6 11.9 81 9.3 10.4 89 GRAVE SPRINGS 8550 5.9 7.5 79 6.7 8.4 80 HANSEN SAWMILL 8360 4.7 5.2 90 6.3 6.6 95 MIDDLE POWDER 7760 9.0 8.9 101 11.5 9.4 122 POWDER RIVER PASS 9480 9.0 8.6 105 9.8 10.2 96 SOLDIER PARK 8720 3.1 -M * 6.1 -M * ----- ----- Basin wide percent 97 98 TONGUE RIVER BIG GOOSE 7990 5.8 7.0 83 7.3 8.5 86 BONE SPRINGS DIV 9350 11.2 13.3 84 9.4 12.6 75 BURGESS JUNCTION 7880 8.5 9.3 91 8.2 9.8 84 DOME LAKE 8880 7.5 9.4 80 7.8 10.7 73 LITTLE GOOSE 8870 6.6 -M * 9.6 -M * SUCKER CREEK 8880 10.1 10.2 99 10.3 11.4 90 TIE CREEK 6870 4.7 4.7 100 8.8 9.0 98 ----- ----- Basin wide percent 89 84 BELLE FOURCHE COLE CANYON 5910 4.6 5.1 90 6.1 7.4 82 ----- ----- Basin wide percent 90 82 CHEYENNE RIVER BASIN BLIND PARK 6890 5.7 6.9 83 8.8 10.1 87 NORTH RAPID CREEK 6130 5.9 6.3 94 7.1 8.1 88 ----- ----- Basin wide percent 88 87 UPPER N. PLATTE ARAPAHO RIDGE 10960 15.7 17.8 88 15.6 -M * BLACKHALL MTN 9820 20.3 -M * 21.8 -M * COLUMBINE 9160 18.4 21.2 87 18.2 21.9 83 DIVIDE PEAK 8880 13.0 17.0 76 14.5 18.1 80 JOE WRIGHT 10120 13.0 18.5 70 19.9 21.6 92 LAPRELE CREEK 8375 5.1 8.6 59 6.8 10.2 67 MED BOW 10500 17.0 -M * 24.6 -M * NORTH FRENCH CREEK 10130 18.8 23.3 81 18.7 22.6 83 NEVER SUMMER 10280 12.6 17.1 74 10.0 -M * OLD BATTLE 10000 20.7 25.7 81 23.0 30.0 77 RAWAH 9020 8.9 9.3 96 11.6 -M * SAGE CREEK BASIN 7850 11.8 11.7 101 8.8 12.5 70 SAND LAKE 10050 18.9 22.8 83 18.8 20.5 92 SOUTH BRUSH CREEK 8440 8.6 11.2 77 9.8 12.6 78 TOWER 10500 27.9 38.4 73 24.8 34.1 73 WEBBER SPRINGS 9250 16.8 20.2 83 17.9 22.8 79 WILLOW CREEK PASS 9540 10.5 10.3 102 11.6 11.1 105 ZIRKEL 9340 18.6 25.3 74 21.0 -M * ----- ----- Basin wide percent 80 81 SWEETWATER DEER PARK 9700 10.2 12.2 84 11.5 16.3 71 LARSEN CREEK 9000 6.2 -M * 9.3 -M * SOUTH PASS 9040 8.7 12.6 69 7.9 14.6 54 ----- ----- Basin wide percent 76 63 LOWER N. PLATTE CASPER MTN. 7900 7.7 11.6 66 6.8 12.1 56 LAPRELE CREEK 8375 5.1 8.6 59 6.8 10.2 67 RENO HILL 8400 8.6 11.3 76 9.8 12.2 80 WINDY PEAK 7900 3.7 6.6 56 6.1 8.6 71 ----- ----- Basin wide percent 66 68 LARAMIE RIVER BROOKLYN LAKE 10240 14.2 17.0 84 13.5 17.5 77 CINNABAR PARK 9574 13.0 17.8 73 14.3 20.7 69 CROW CREEK 8330 4.9 7.1 69 6.7 8.5 79 DEADMAN HILL 10220 11.3 13.1 86 11.0 14.1 78 RAWAH 9020 8.9 9.3 96 11.6 -M * ROACH 9700 10.3 13.5 76 11.8 16.0 74 ----- ----- Basin wide percent 80 75 S. PLATTE BLACK MOUNTAIN 8920 7.1 -M * 8.4 -M * CROW CREEK 8330 4.9 7.1 69 6.7 8.5 79 DEADMAN HILL 10220 11.3 13.1 86 11.0 14.1 78 ----- ----- Basin wide percent 80 78 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 7.0 10.7 65 8.9 13.0 68 DIVIDE PEAK 8880 13.0 17.0 76 14.5 18.1 80 ELK RIVER 8700 12.0 17.0 71 12.4 17.2 72 LITTLE SNAKE RIVER 8915 17.0 20.3 84 21.2 26.0 82 OLD BATTLE 10000 20.7 25.7 81 23.0 30.0 77 SAGE CREEK BASIN 7850 11.8 11.7 101 8.8 12.5 70 SANDSTONE RS 8150 8.9 11.8 75 10.1 16.0 63 WHISKEY PARK 8950 19.4 23.5 83 20.4 24.0 85 ----- ----- Basin wide percent 80 76 UPPER GREEN RIVER BIG SANDY OPENING 9080 8.8 10.8 81 8.9 11.3 79 BLIND BULL SUM 8650 15.6 19.6 80 11.9 17.0 70 EAST RIM DIVIDE 7930 8.5 9.5 89 7.0 10.2 69 ELKHART PARK G.S. 9400 8.0 10.2 78 8.4 11.3 74 GROS VENTRE SUMMIT 8750 8.6 10.9 79 9.3 11.0 85 GUNSIGHT PASS 9820 9.7 11.6 84 9.9 11.7 85 KENDALL R.S. 7740 8.4 10.6 79 9.3 12.5 74 LOOMIS PARK 8240 9.6 12.8 75 10.9 15.0 73 NEW FORK LAKE 8340 6.6 9.1 73 5.7 9.4 61 POCKET CREEK 9360 6.9 -M * 8.6 -M * SNIDER BASIN 8060 8.8 10.7 82 10.6 12.2 87 SPRING CREEK DIVIDE 9000 18.1 19.7 92 18.4 20.5 90 TRIPLE PEAK 8500 15.5 18.7 83 18.0 21.6 83 ----- ----- Basin wide percent 82 78 LOWER GREEN RIVER BLACKS FORK JCT 8870 6.0 -M * 7.3 -M * BUCK PASTURE 9700 10.3 -M * 12.1 -M * EF BLACKS FORK GS 9308 11.0 -M * 7.3 -M * HAMS FORK 7840 8.0 10.0 80 7.4 9.7 76 HEWINTA 9519 7.5 8.7 86 9.7 11.6 84 HICKERSON PARK 9145 6.3 6.5 97 7.9 8.2 96 HOLE-IN-ROCK 9150 7.2 6.2 116 8.2 7.7 106 INDIAN CREEK 9425 15.8 20.4 77 14.2 19.1 74 KELLEY R.S. 8180 9.9 12.8 77 11.2 15.5 72 SPIRIT LK 10223 9.2 -M * 12.8 -M * STEEL CREEK PARK 10200 10.0 12.7 79 11.7 13.4 87 ----- ----- Basin wide percent 84 83 UPPER BEAR RIVER BEAR RIVER RS 8500 7.1 -M * 8.9 -M * BUG LAKE 7950 12.5 16.3 77 13.7 16.6 83 BURTS MILLER RANCH 8000 4.7 -M * 6.0 -M * CHALK CREEK #1 8993 15.2 20.2 75 17.1 21.0 81 HAYDEN FORK 9212 9.6 13.6 71 13.1 17.6 74 KELLEY R.S. 8180 9.9 12.8 77 11.2 15.5 72 LILY LAKE 9156 8.8 11.2 79 10.0 14.3 70 MONTE CRISTO 8960 16.5 23.0 72 18.3 22.0 83 SALT RIVER SUMMIT 7760 9.1 11.3 81 12.1 14.3 85 ----- ----- Basin wide percent 75 79 ----------------------------------------------------------------------------- -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.