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: DECEMBER 27 , 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 6.7 149 12.7 9.3 137 BLACK BEAR 8170 20.2 16.1 125 20.1 16.5 122 BLIND BULL SUM 8650 10.1 8.4 120 8.4 8.6 98 COTTONWOOD CREEK 7670 8.4 7.8 108 11.9 10.4 114 EAST RIM DIVIDE 7930 4.5 4.0 112 4.8 5.1 94 GRAND TARGHEE 9260 19.8 16.6 119 15.8 14.1 112 GRANITE CREEK 6770 7.7 5.7 135 9.6 8.6 112 GRASSY LAKE 7265 12.1 11.4 106 16.3 15.6 104 GROS VENTRE SUMMIT 8750 6.2 5.6 111 6.6 5.7 116 GUNSIGHT PASS 9820 6.7 5.4 124 6.9 5.9 117 LEWIS LAKE DIVIDE 7850 16.5 12.1 136 19.7 15.5 127 PHILLIPS BENCH 8200 10.9 9.9 110 13.2 11.8 112 SALT RIVER SUMMIT 7760 5.0 4.4 114 8.0 6.9 116 SNAKE RIVER STATION 6920 7.5 5.7 132 12.6 10.2 124 SPRING CREEK DIVIDE 9000 10.6 8.9 119 11.0 10.0 110 THUMB DIVIDE 7980 8.6 5.7 151 10.1 8.0 126 TOGWOTEE PASS 9580 11.1 10.3 108 11.8 10.7 110 TWO OCEAN PLATEAU 9240 16.2 11.6 140 13.7 11.8 116 WILLOW CREEK 8380 11.1 9.9 112 15.4 14.5 106 YOUNTS PEAK 8350 7.5 6.5 115 6.8 7.1 96 ----- ----- Basin wide percent 122 114 MADISON-GALLATIN BLACK BEAR 8170 20.2 16.1 125 20.1 16.5 122 CANYON 7870 5.6 4.9 114 6.8 7.3 93 MADISON PLATEAU 7750 12.4 9.6 129 15.2 11.3 135 WEST YELLOWSTONE 6700 4.5 4.2 107 8.5 6.4 133 WHISKEY CREEK 6800 5.3 5.9 90 11.1 9.0 123 ----- ----- Basin wide percent 118 122 YELLOWSTONE BEARTOOTH LAKE 9360 8.5 9.3 91 8.9 8.5 105 BURNT MTN 5880 1.1 1.9 58 5.0 6.6 76 CANYON 7870 5.6 4.9 114 6.8 7.3 93 COLE CREEK 7850 3.4 6.0 57 4.5 6.2 73 EVENING STAR 9200 12.9 10.4 124 15.0 12.3 122 FISHER CREEK 9100 18.9 13.8 137 18.4 13.9 132 NORTHEAST ENTRANCE 7350 3.1 3.4 91 6.2 5.8 107 PARKER PEAK 9400 10.6 9.1 116 10.8 8.0 135 SYLVAN LAKE 8420 9.3 8.6 108 13.3 10.5 127 THUMB DIVIDE 7980 8.6 5.7 151 10.1 8.0 126 TWO OCEAN PLATEAU 9240 16.2 11.6 140 13.7 11.8 116 WHITE MILL 8700 11.6 9.2 126 12.5 10.5 119 WOLVERINE 7650 4.4 4.4 100 5.1 5.9 86 ----- ----- Basin wide percent 116 113 WIND RIVER BURROUGHS CREEK 8750 6.5 5.8 112 6.5 7.2 90 CASTLE CREEK 8400 3.6 -M * 5.0 -M * COLD SPRINGS 9630 4.2 3.0 140 5.1 4.7 109 DEER PARK 9700 7.2 6.2 116 8.3 8.2 101 HOBBS PARK 10100 6.0 6.2 97 5.5 5.9 93 KIRWIN 9550 5.0 4.2 119 6.1 5.3 115 LITTLE WARM 9370 5.5 4.2 131 6.7 5.8 116 OWL CREEK 8975 2.3 2.4 96 2.7 2.8 96 SOUTH PASS 9040 5.7 6.1 93 5.0 7.9 63 ST. LAWRENCE ALT 8620 -M 2.9 * -M 4.2 * TOGWOTEE PASS 9580 11.1 10.3 108 11.8 10.7 110 TOWNSEND CREEK 8700 1.5 3.8 39 3.6 5.6 64 ----- ----- Basin wide percent 105 96 BIGHORN BASIN BALD MTN. 9380 5.2 7.7 68 3.4 7.5 45 BEAR TRAP MEADOW 8200 4.0 2.5 160 5.0 4.1 122 BONE SPRINGS DIV 9350 5.9 7.0 84 5.6 6.8 82 GRAVE SPRINGS 8550 1.9 3.1 61 3.3 4.9 67 KIRWIN 9550 5.0 4.2 119 6.1 5.3 115 MARQUETTE 8760 2.5 -M * 4.0 -M * MIDDLE POWDER 7760 3.3 4.7 70 -M 5.9 * OWL CREEK 8975 2.3 2.4 96 2.7 2.8 96 POWDER RIVER PASS 9480 5.6 4.4 127 6.1 5.6 109 SHELL CREEK 9580 7.2 6.9 104 6.9 6.3 110 TIMBER CREEK 7950 1.0 2.0 50 3.0 3.8 79 ----- ----- Basin wide percent 92 89 SHOSHONE RIVER BLACKWATER 9780 12.5 10.0 125 12.1 9.4 129 EVENING STAR 9200 12.9 10.4 124 15.0 12.3 122 MARQUETTE 8760 2.5 -M * 4.0 -M * SYLVAN ROAD 7120 5.1 5.0 102 9.8 8.5 115 YOUNTS PEAK 8350 7.5 6.5 115 6.8 7.1 96 ----- ----- Basin wide percent 119 117 POWDER RIVER BEAR TRAP MEADOW 8200 4.0 2.5 160 5.0 4.1 122 CLOUD PEAK RESERVOIR 9860 4.8 5.8 83 4.7 6.1 77 GRAVE SPRINGS 8550 1.9 3.1 61 3.3 4.9 67 HANSEN SAWMILL 8360 2.8 2.8 100 4.3 3.9 110 MIDDLE POWDER 7760 3.3 4.7 70 -M 5.9 * POWDER RIVER PASS 9480 5.6 4.4 127 6.1 5.6 109 SOLDIER PARK 8720 1.6 -M * 3.9 -M * ----- ----- Basin wide percent 96 95 TONGUE RIVER BIG GOOSE 7990 2.3 3.5 66 3.8 5.2 73 BONE SPRINGS DIV 9350 5.9 7.0 84 5.6 6.8 82 BURGESS JUNCTION 7880 2.5 4.5 56 3.0 5.7 53 DOME LAKE 8880 3.6 5.0 72 5.3 6.5 82 LITTLE GOOSE 8870 3.0 -M * 5.5 -M * SUCKER CREEK 8880 3.9 4.8 81 3.8 6.5 58 TIE CREEK 6870 .6 1.8 33 3.8 5.4 70 ----- ----- Basin wide percent 71 70 BELLE FOURCHE COLE CANYON 5910 1.1 1.8 61 3.1 4.5 69 ----- ----- Basin wide percent 61 69 CHEYENNE RIVER BASIN BLIND PARK 6890 1.7 2.9 59 3.9 5.7 68 NORTH RAPID CREEK 6130 1.5 2.9 52 3.0 4.8 62 ----- ----- Basin wide percent 55 66 UPPER N. PLATTE ARAPAHO RIDGE 10960 7.7 -M * 8.0 -M * BLACKHALL MTN 9820 9.6 -M * 11.1 -M * COLUMBINE 9160 7.5 8.2 91 8.8 10.9 81 DIVIDE PEAK 8880 5.9 7.8 76 7.7 9.8 79 JOE WRIGHT 10120 8.0 9.0 89 10.6 11.6 91 LAPRELE CREEK 8375 1.1 3.7 30 2.9 5.7 51 MED BOW 10500 9.2 -M * 11.7 -M * NORTH FRENCH CREEK 10130 8.1 10.8 75 8.6 11.4 75 NEVER SUMMER 10280 6.9 -M * 5.6 -M * OLD BATTLE 10000 11.4 12.0 95 12.5 15.4 81 RAWAH 9020 3.6 -M * 6.3 -M * SAGE CREEK BASIN 7850 4.9 5.2 94 5.4 6.8 79 SAND LAKE 10050 8.4 10.8 78 8.8 10.6 83 SOUTH BRUSH CREEK 8440 3.4 4.4 77 4.9 6.9 71 TOWER 10500 11.9 18.3 65 12.2 17.3 71 WEBBER SPRINGS 9250 8.6 9.0 96 9.9 11.7 85 WILLOW CREEK PASS 9540 5.3 -M * 6.4 6.2 103 ZIRKEL 9340 8.4 -M * 11.1 -M * ----- ----- Basin wide percent 80 79 SWEETWATER DEER PARK 9700 7.2 6.2 116 8.3 8.2 101 LARSEN CREEK 9000 4.5 -M * 7.4 -M * SOUTH PASS 9040 5.7 6.1 93 5.0 7.9 63 ----- ----- Basin wide percent 105 83 LOWER N. PLATTE CASPER MTN. 7900 -M 5.5 * -M 7.1 * LAPRELE CREEK 8375 1.1 3.7 30 2.9 5.7 51 RENO HILL 8400 1.8 5.5 33 3.2 6.8 47 WINDY PEAK 7900 .8 3.0 27 3.3 5.0 66 ----- ----- Basin wide percent 30 54 LARAMIE RIVER BROOKLYN LAKE 10240 6.6 7.4 89 6.4 8.8 73 CINNABAR PARK 9574 6.2 8.1 77 7.2 10.6 68 CROW CREEK 8330 2.1 4.0 52 3.6 5.3 68 DEADMAN HILL 10220 5.8 6.9 84 5.6 7.4 76 RAWAH 9020 3.6 -M * 6.3 -M * ROACH 9700 5.3 6.6 80 6.8 8.5 80 ----- ----- Basin wide percent 79 73 S. PLATTE BLACK MOUNTAIN 8920 3.0 -M * 4.2 -M * CROW CREEK 8330 2.1 4.0 52 3.6 5.3 68 DEADMAN HILL 10220 5.8 6.9 84 5.6 7.4 76 ----- ----- Basin wide percent 72 72 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 2.4 3.5 69 4.5 6.6 68 DIVIDE PEAK 8880 5.9 7.8 76 7.7 9.8 79 ELK RIVER 8700 5.4 6.1 89 6.4 8.6 74 LITTLE SNAKE RIVER 8915 7.9 8.1 98 11.5 13.8 83 OLD BATTLE 10000 11.4 12.0 95 12.5 15.4 81 SAGE CREEK BASIN 7850 4.9 5.2 94 5.4 6.8 79 SANDSTONE RS 8150 5.4 4.1 132 5.4 8.1 67 WHISKEY PARK 8950 8.5 8.8 97 10.4 11.3 92 ----- ----- Basin wide percent 93 79 UPPER GREEN RIVER BIG SANDY OPENING 9080 6.3 5.3 119 6.8 5.9 115 BLIND BULL SUM 8650 10.1 8.4 120 8.4 8.6 98 EAST RIM DIVIDE 7930 4.5 4.0 112 4.8 5.1 94 ELKHART PARK G.S. 9400 5.5 5.2 106 6.1 6.0 102 GROS VENTRE SUMMIT 8750 6.2 5.6 111 6.6 5.7 116 GUNSIGHT PASS 9820 6.7 5.4 124 6.9 5.9 117 KENDALL R.S. 7740 5.9 4.4 134 7.3 6.0 122 LOOMIS PARK 8240 6.3 5.9 107 7.7 7.5 103 NEW FORK LAKE 8340 3.8 4.2 90 3.8 4.8 79 POCKET CREEK 9360 7.3 -M * 7.2 -M * SNIDER BASIN 8060 4.6 4.8 96 6.6 6.1 108 SPRING CREEK DIVIDE 9000 10.6 8.9 119 11.0 10.0 110 TRIPLE PEAK 8500 8.8 7.7 114 11.2 10.2 110 ----- ----- Basin wide percent 114 107 LOWER GREEN RIVER BLACKS FORK JCT 8870 3.7 -M * 5.7 -M * BUCK PASTURE 9700 5.9 -M * 8.1 -M * EF BLACKS FORK GS 9308 7.0 -M * 5.2 -M * HAMS FORK 7840 4.7 4.2 112 5.0 4.8 104 HEWINTA 9519 4.5 3.4 132 6.1 6.2 98 HICKERSON PARK 9145 2.7 2.6 104 4.3 4.8 90 HOLE-IN-ROCK 9150 4.5 2.8 161 5.3 4.5 118 INDIAN CREEK 9425 10.2 9.7 105 9.3 9.1 102 KELLEY R.S. 8180 6.4 5.8 110 7.7 7.8 99 SPIRIT LK 10223 4.7 4.4 107 7.7 9.0 86 STEEL CREEK PARK 10200 4.9 6.0 82 6.8 7.1 96 ----- ----- Basin wide percent 110 98 UPPER BEAR RIVER BEAR RIVER RS 8500 3.9 -M * 5.9 -M * BUG LAKE 7950 8.0 5.9 136 9.6 8.4 114 BURTS MILLER RANCH 8000 3.0 2.3 130 4.0 4.9 82 CHALK CREEK #1 8993 9.2 9.4 98 11.6 11.0 105 HAYDEN FORK 9212 5.3 5.1 104 8.4 9.0 93 KELLEY R.S. 8180 6.4 5.8 110 7.7 7.8 99 LILY LAKE 9156 4.6 4.8 96 6.2 7.7 81 MONTE CRISTO 8960 9.6 9.4 102 12.3 11.0 112 SALT RIVER SUMMIT 7760 5.0 4.4 114 8.0 6.9 116 ----- ----- Basin wide percent 108 102 ----------------------------------------------------------------------------- -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.