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: DECEMBER 28 , 2012 ------------------------------------------------------------------------------ BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Median Median Current Average Avg ------------------------------------------------------------------------------ WYOMING SNAKE RIVER BASE CAMP 7030 10.0 6.8 147 12.7 9.4 135 BLACK BEAR 8170 20.3 16.5 123 20.1 16.8 120 BLIND BULL SUM 8650 10.1 8.6 117 8.4 8.8 95 COTTONWOOD CREEK 7670 8.4 7.9 106 12.0 10.5 114 EAST RIM DIVIDE 7930 4.6 4.1 112 4.8 5.2 92 GRAND TARGHEE 9260 20.0 16.9 118 15.9 14.4 110 GRANITE CREEK 6770 7.6 5.8 131 9.6 8.8 109 GRASSY LAKE 7265 12.1 11.7 103 16.4 15.9 103 GROS VENTRE SUMMIT 8750 6.2 5.7 109 6.6 5.8 114 GUNSIGHT PASS 9820 6.7 5.6 120 7.0 6.0 117 LEWIS LAKE DIVIDE 7850 16.5 12.4 133 19.6 15.8 124 PHILLIPS BENCH 8200 10.9 10.1 108 13.3 12.0 111 SALT RIVER SUMMIT 7760 5.0 4.5 111 8.1 7.0 116 SNAKE RIVER STATION 6920 7.5 5.8 129 12.6 10.3 122 SPRING CREEK DIVIDE 9000 10.6 9.2 115 11.0 10.2 108 THUMB DIVIDE 7980 8.6 5.8 148 10.1 8.2 123 TOGWOTEE PASS 9580 11.2 10.4 108 12.0 10.9 110 TWO OCEAN PLATEAU 9240 16.3 11.8 138 13.8 11.9 116 WILLOW CREEK 8380 11.2 10.0 112 15.5 14.8 105 YOUNTS PEAK 8350 7.5 6.7 112 6.8 7.2 94 ----- ----- Basin wide percent 120 113 MADISON-GALLATIN BLACK BEAR 8170 20.3 16.5 123 20.1 16.8 120 CANYON 7870 5.6 5.0 112 6.8 7.4 92 MADISON PLATEAU 7750 12.5 9.8 128 15.2 11.5 132 WEST YELLOWSTONE 6700 4.5 4.3 105 8.5 6.6 129 WHISKEY CREEK 6800 5.3 6.0 88 11.1 9.1 122 ----- ----- Basin wide percent 116 120 YELLOWSTONE BEARTOOTH LAKE 9360 8.6 9.4 91 8.9 8.7 102 BURNT MTN 5880 1.1 1.9 58 5.0 6.6 76 CANYON 7870 5.6 5.0 112 6.8 7.4 92 COLE CREEK 7850 3.4 6.1 56 4.6 6.3 73 EVENING STAR 9200 13.1 10.6 124 15.0 12.5 120 FISHER CREEK 9100 18.9 14.0 135 18.4 14.2 130 NORTHEAST ENTRANCE 7350 3.1 3.6 86 6.2 5.8 107 PARKER PEAK 9400 10.7 9.3 115 10.9 8.1 135 SYLVAN LAKE 8420 9.4 8.8 107 13.4 10.6 126 THUMB DIVIDE 7980 8.6 5.8 148 10.1 8.2 123 TWO OCEAN PLATEAU 9240 16.3 11.8 138 13.8 11.9 116 WHITE MILL 8700 11.6 9.3 125 12.5 10.7 117 WOLVERINE 7650 4.4 4.4 100 5.3 6.0 88 ----- ----- Basin wide percent 115 112 WIND RIVER BURROUGHS CREEK 8750 6.5 5.9 110 6.6 7.3 90 CASTLE CREEK 8400 3.6 -M * 5.0 -M * COLD SPRINGS 9630 4.2 3.0 140 5.2 4.8 108 DEER PARK 9700 7.3 6.4 114 8.3 8.2 101 HOBBS PARK 10100 6.0 6.2 97 5.6 6.0 93 KIRWIN 9550 5.0 4.2 119 6.1 5.3 115 LITTLE WARM 9370 5.5 4.2 131 6.7 5.9 114 OWL CREEK 8975 2.3 2.4 96 2.7 2.8 96 SOUTH PASS 9040 5.7 6.2 92 5.1 7.9 65 ST. LAWRENCE ALT 8620 -M 2.9 * -M 4.2 * TOGWOTEE PASS 9580 11.2 10.4 108 12.0 10.9 110 TOWNSEND CREEK 8700 1.6 3.8 42 3.6 5.6 64 ----- ----- Basin wide percent 105 96 BIGHORN BASIN BALD MTN. 9380 5.3 7.8 68 3.4 7.6 45 BEAR TRAP MEADOW 8200 4.0 2.5 160 5.1 4.1 124 BONE SPRINGS DIV 9350 5.9 7.0 84 5.6 6.9 81 GRAVE SPRINGS 8550 2.0 3.1 65 3.4 4.9 69 KIRWIN 9550 5.0 4.2 119 6.1 5.3 115 MARQUETTE 8760 2.5 -M * 4.0 -M * MIDDLE POWDER 7760 3.4 4.7 72 6.5 5.9 110 OWL CREEK 8975 2.3 2.4 96 2.7 2.8 96 POWDER RIVER PASS 9480 5.7 4.5 127 6.1 5.7 107 SHELL CREEK 9580 7.2 7.0 103 7.0 6.3 111 TIMBER CREEK 7950 1.0 2.1 48 3.0 3.8 79 ----- ----- Basin wide percent 92 92 SHOSHONE RIVER BLACKWATER 9780 12.6 10.1 125 12.2 9.5 128 EVENING STAR 9200 13.1 10.6 124 15.0 12.5 120 MARQUETTE 8760 2.5 -M * 4.0 -M * SYLVAN ROAD 7120 5.1 5.0 102 9.9 8.6 115 YOUNTS PEAK 8350 7.5 6.7 112 6.8 7.2 94 ----- ----- Basin wide percent 118 116 POWDER RIVER BEAR TRAP MEADOW 8200 4.0 2.5 160 5.1 4.1 124 CLOUD PEAK RESERVOIR 9860 4.9 5.9 83 4.8 6.1 79 GRAVE SPRINGS 8550 2.0 3.1 65 3.4 4.9 69 HANSEN SAWMILL 8360 2.8 2.8 100 4.3 4.0 108 MIDDLE POWDER 7760 3.4 4.7 72 6.5 5.9 110 POWDER RIVER PASS 9480 5.7 4.5 127 6.1 5.7 107 SOLDIER PARK 8720 1.6 -M * 4.0 -M * ----- ----- Basin wide percent 97 98 TONGUE RIVER BIG GOOSE 7990 2.4 3.5 69 3.9 5.2 75 BONE SPRINGS DIV 9350 5.9 7.0 84 5.6 6.9 81 BURGESS JUNCTION 7880 2.5 4.5 56 3.4 5.7 60 DOME LAKE 8880 3.7 5.1 73 5.5 6.5 85 LITTLE GOOSE 8870 3.1 -M * 5.8 -M * SUCKER CREEK 8880 4.0 4.9 82 4.3 6.5 66 TIE CREEK 6870 .6 1.8 33 3.8 5.4 70 ----- ----- Basin wide percent 71 73 BELLE FOURCHE COLE CANYON 5910 1.1 1.9 58 3.1 4.5 69 ----- ----- Basin wide percent 58 69 CHEYENNE RIVER BASIN BLIND PARK 6890 1.7 3.0 57 3.9 5.8 67 NORTH RAPID CREEK 6130 1.5 3.0 50 3.0 4.8 62 ----- ----- Basin wide percent 53 65 UPPER N. PLATTE ARAPAHO RIDGE 10960 7.8 -M * 8.1 -M * BLACKHALL MTN 9820 9.7 -M * 11.6 -M * COLUMBINE 9160 7.7 8.3 93 8.9 11.1 80 DIVIDE PEAK 8880 6.1 8.0 76 7.9 9.9 80 JOE WRIGHT 10120 8.0 9.1 88 10.8 11.7 92 LAPRELE CREEK 8375 1.0 3.8 26 2.9 5.8 50 MED BOW 10500 9.3 -M * 11.9 -M * NORTH FRENCH CREEK 10130 8.4 11.0 76 8.8 11.5 77 NEVER SUMMER 10280 6.9 -M * 5.7 -M * OLD BATTLE 10000 11.5 12.1 95 12.6 15.6 81 RAWAH 9020 3.7 -M * 6.4 -M * SAGE CREEK BASIN 7850 5.0 5.4 93 5.5 6.9 80 SAND LAKE 10050 8.4 11.0 76 8.9 10.8 82 SOUTH BRUSH CREEK 8440 3.6 4.4 82 5.1 6.9 74 TOWER 10500 12.4 18.3 68 12.4 17.6 70 WEBBER SPRINGS 9250 8.7 9.1 96 10.0 11.8 85 WILLOW CREEK PASS 9540 5.3 -M * 6.5 6.3 103 ZIRKEL 9340 8.6 -M * 11.2 -M * ----- ----- Basin wide percent 80 80 SWEETWATER DEER PARK 9700 7.3 6.4 114 8.3 8.2 101 LARSEN CREEK 9000 4.4 -M * 7.3 -M * SOUTH PASS 9040 5.7 6.2 92 5.1 7.9 65 ----- ----- Basin wide percent 103 83 LOWER N. PLATTE CASPER MTN. 7900 -M 5.5 * -M 7.2 * LAPRELE CREEK 8375 1.0 3.8 26 2.9 5.8 50 RENO HILL 8400 1.8 5.6 32 3.2 6.9 46 WINDY PEAK 7900 .8 3.0 27 3.4 5.0 68 ----- ----- Basin wide percent 29 54 LARAMIE RIVER BROOKLYN LAKE 10240 6.5 7.5 87 6.4 8.8 73 CINNABAR PARK 9574 6.3 8.3 76 7.2 10.7 67 CROW CREEK 8330 2.1 4.1 51 3.5 5.3 66 DEADMAN HILL 10220 5.9 7.0 84 5.7 7.5 76 RAWAH 9020 3.7 -M * 6.4 -M * ROACH 9700 5.4 6.7 81 6.8 8.6 79 ----- ----- Basin wide percent 78 72 S. PLATTE BLACK MOUNTAIN 8920 3.0 -M * 4.3 -M * CROW CREEK 8330 2.1 4.1 51 3.5 5.3 66 DEADMAN HILL 10220 5.9 7.0 84 5.7 7.5 76 ----- ----- Basin wide percent 72 72 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 2.6 3.6 72 4.7 6.7 70 DIVIDE PEAK 8880 6.1 8.0 76 7.9 9.9 80 ELK RIVER 8700 5.5 6.2 89 6.4 8.7 74 LITTLE SNAKE RIVER 8915 8.2 8.4 98 11.7 13.9 84 OLD BATTLE 10000 11.5 12.1 95 12.6 15.6 81 SAGE CREEK BASIN 7850 5.0 5.4 93 5.5 6.9 80 SANDSTONE RS 8150 5.6 4.2 133 5.6 8.2 68 WHISKEY PARK 8950 8.7 9.0 97 10.5 11.4 92 ----- ----- Basin wide percent 93 80 UPPER GREEN RIVER BIG SANDY OPENING 9080 6.1 5.4 113 6.8 5.9 115 BLIND BULL SUM 8650 10.1 8.6 117 8.4 8.8 95 EAST RIM DIVIDE 7930 4.6 4.1 112 4.8 5.2 92 ELKHART PARK G.S. 9400 5.5 5.4 102 6.1 6.1 100 GROS VENTRE SUMMIT 8750 6.2 5.7 109 6.6 5.8 114 GUNSIGHT PASS 9820 6.7 5.6 120 7.0 6.0 117 KENDALL R.S. 7740 5.9 4.5 131 7.3 6.1 120 LOOMIS PARK 8240 6.2 6.0 103 7.7 7.6 101 NEW FORK LAKE 8340 3.8 4.3 88 3.8 4.9 78 POCKET CREEK 9360 7.2 -M * 7.2 -M * SNIDER BASIN 8060 4.6 4.8 96 6.4 6.2 103 SPRING CREEK DIVIDE 9000 10.6 9.2 115 11.0 10.2 108 TRIPLE PEAK 8500 8.9 7.8 114 11.3 10.3 110 ----- ----- Basin wide percent 111 105 LOWER GREEN RIVER BLACKS FORK JCT 8870 3.7 -M * 5.8 -M * BUCK PASTURE 9700 5.8 -M * 8.2 -M * EF BLACKS FORK GS 9308 7.1 -M * -M -M * HAMS FORK 7840 4.7 4.3 109 5.0 4.9 102 HEWINTA 9519 4.5 3.5 129 6.2 6.2 100 HICKERSON PARK 9145 2.8 2.6 108 4.5 4.8 94 HOLE-IN-ROCK 9150 4.5 2.9 155 5.3 4.5 118 INDIAN CREEK 9425 10.2 9.8 104 9.3 9.2 101 KELLEY R.S. 8180 6.5 5.9 110 7.7 7.9 97 SPIRIT LK 10223 4.7 4.4 107 7.8 9.0 87 STEEL CREEK PARK 10200 5.0 6.0 83 7.0 7.2 97 ----- ----- Basin wide percent 109 98 UPPER BEAR RIVER BEAR RIVER RS 8500 4.1 -M * 6.0 -M * BUG LAKE 7950 8.1 6.0 135 9.6 8.5 113 BURTS MILLER RANCH 8000 3.2 2.3 139 4.1 4.9 84 CHALK CREEK #1 8993 9.4 9.5 99 11.8 11.0 107 HAYDEN FORK 9212 5.5 5.3 104 8.5 9.1 93 KELLEY R.S. 8180 6.5 5.9 110 7.7 7.9 97 LILY LAKE 9156 4.8 4.9 98 6.4 7.7 83 MONTE CRISTO 8960 9.8 9.6 102 12.4 11.1 112 SALT RIVER SUMMIT 7760 5.0 4.5 111 8.1 7.0 116 ----- ----- Basin wide percent 109 102 ----------------------------------------------------------------------------- -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.