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: FEBRUARY 8 , 2014 ------------------------------------------------------------------------------ BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Median Median Current Average Avg ------------------------------------------------------------------------------ WYOMING SNAKE RIVER BASE CAMP 7030 12.8 11.2 114 14.0 14.6 96 BLACK BEAR 8170 22.8 24.7 92 22.1 26.0 85 BLIND BULL SUM 8650 16.9 14.9 113 12.4 13.5 92 COTTONWOOD CREEK 7670 15.7 13.6 115 17.4 16.6 105 EAST RIM DIVIDE 7930 8.9 7.0 127 7.7 8.1 95 GRAND TARGHEE 9260 28.9 24.6 117 20.8 21.6 96 GRANITE CREEK 6770 10.6 11.3 94 11.7 14.3 82 GRASSY LAKE 7265 20.9 21.7 96 21.7 25.1 86 GROS VENTRE SUMMIT 8750 8.3 8.7 95 7.6 8.6 88 GUNSIGHT PASS 9820 10.1 8.7 116 9.7 9.4 103 LEWIS LAKE DIVIDE 7850 17.9 21.2 84 20.4 24.2 84 PHILLIPS BENCH 8200 15.8 16.5 96 16.6 19.1 87 SALT RIVER SUMMIT 7760 8.9 8.3 107 10.7 11.2 96 SNAKE RIVER STATION 6920 11.0 11.9 92 13.9 16.2 86 SPRING CREEK DIVIDE 9000 16.7 15.4 108 16.6 16.1 103 THUMB DIVIDE 7980 8.3 9.8 85 8.7 12.7 69 TOGWOTEE PASS 9580 17.2 15.6 110 17.0 16.6 102 TWO OCEAN PLATEAU 9240 20.8 18.7 111 16.6 18.2 91 WILLOW CREEK 8380 19.5 18.1 108 22.3 22.5 99 YOUNTS PEAK 8350 -M 10.1 * -M 10.9 * ----- ----- Basin Index (%) 104 92 MADISON-GALLATIN BLACK BEAR 8170 22.8 24.7 92 22.1 26.0 85 CANYON 7870 8.4 8.6 98 9.9 11.3 88 MADISON PLATEAU 7750 13.2 14.8 89 14.0 18.1 77 WEST YELLOWSTONE 6700 7.7 7.2 107 8.8 10.2 86 WHISKEY CREEK 6800 9.6 9.9 97 11.7 13.9 84 ----- ----- Basin Index (%) 95 84 YELLOWSTONE BEARTOOTH LAKE 9360 15.7 14.5 108 14.2 13.4 106 BURNT MTN 5880 6.1 2.7 226 -M 8.3 * CANYON 7870 8.4 8.6 98 9.9 11.3 88 COLE CREEK 7850 13.0 8.7 149 9.3 7.9 118 EVENING STAR 9200 21.8 16.7 131 22.3 18.8 119 FISHER CREEK 9100 23.6 21.6 109 20.8 21.8 95 NORTHEAST ENTRANCE 7350 7.7 6.7 115 8.4 8.6 98 PARKER PEAK 9400 17.3 13.5 128 15.8 11.9 133 SYLVAN LAKE 8420 14.1 13.5 104 16.2 15.5 105 THUMB DIVIDE 7980 8.3 9.8 85 8.7 12.7 69 TWO OCEAN PLATEAU 9240 20.8 18.7 111 16.6 18.2 91 WHITE MILL 8700 17.9 15.3 117 15.2 16.2 94 WOLVERINE 7650 10.1 7.3 138 8.4 8.5 99 ----- ----- Basin Index (%) 117 101 WIND RIVER BURROUGHS CREEK 8750 -M 8.9 * -M 10.9 * CASTLE CREEK 8400 5.0 -M * 6.5 -M * COLD SPRINGS 9630 6.2 4.8 129 8.3 6.5 128 DEER PARK 9700 6.1 9.5 64 9.0 13.0 69 HOBBS PARK 10100 8.4 8.0 105 7.7 8.1 95 KIRWIN 9550 9.2 6.1 151 8.3 7.5 111 LITTLE WARM 9370 8.0 6.6 121 9.4 8.5 111 OWL CREEK 8975 4.3 3.1 139 4.3 3.7 116 SOUTH PASS 9040 7.8 9.7 80 7.4 11.5 64 ST. LAWRENCE ALT 8620 -M 4.2 * 6.1 5.6 109 TOGWOTEE PASS 9580 17.2 15.6 110 17.0 16.6 102 TOWNSEND CREEK 8700 4.3 5.6 77 5.3 7.4 72 ----- ----- Basin Index (%) 104 94 BIGHORN BASIN BALD MTN. 9380 15.8 11.3 140 12.0 11.1 108 BEAR TRAP MEADOW 8200 6.9 3.6 192 7.5 5.3 142 BONE SPRINGS DIV 9350 12.5 10.0 125 9.2 10.0 92 GRAVE SPRINGS 8550 7.7 5.1 151 8.5 6.8 125 KIRWIN 9550 9.2 6.1 151 8.3 7.5 111 MARQUETTE 8760 5.4 -M * 7.3 -M * MIDDLE POWDER 7760 10.8 6.7 161 9.5 7.7 123 OWL CREEK 8975 4.3 3.1 139 4.3 3.7 116 POWDER RIVER PASS 9480 9.8 6.9 142 10.3 8.2 126 SHELL CREEK 9580 11.3 9.5 119 9.6 9.2 104 TIMBER CREEK 7950 4.1 3.1 132 5.5 4.6 120 ----- ----- Basin Index (%) 141 114 SHOSHONE RIVER BLACKWATER 9780 17.6 15.0 117 15.0 13.8 109 EVENING STAR 9200 21.8 16.7 131 22.3 18.8 119 MARQUETTE 8760 5.4 -M * 7.3 -M * SYLVAN ROAD 7120 8.8 8.0 110 12.9 12.4 104 YOUNTS PEAK 8350 -M 10.1 * -M 10.9 * ----- ----- Basin Index (%) 121 112 POWDER RIVER BEAR TRAP MEADOW 8200 6.9 3.6 192 7.5 5.3 142 CLOUD PEAK RESERVOIR 9860 11.8 8.8 134 10.3 8.2 126 GRAVE SPRINGS 8550 7.7 5.1 151 8.5 6.8 125 HANSEN SAWMILL 8360 5.1 4.1 124 7.2 5.3 136 MIDDLE POWDER 7760 10.8 6.7 161 9.5 7.7 123 POWDER RIVER PASS 9480 9.8 6.9 142 10.3 8.2 126 SOLDIER PARK 8720 5.4 -M * 6.8 -M * ----- ----- Basin Index (%) 148 128 TONGUE RIVER BIG GOOSE 7990 6.1 5.1 120 8.4 6.8 124 BONE SPRINGS DIV 9350 12.5 10.0 125 9.2 10.0 92 BURGESS JUNCTION 7880 8.6 7.0 123 10.0 7.8 128 DOME LAKE 8880 6.8 7.2 94 7.2 8.7 83 LITTLE GOOSE 8870 7.1 -M * 9.2 -M * SUCKER CREEK 8880 10.2 7.4 138 11.5 9.1 126 TIE CREEK 6870 4.6 3.6 128 9.1 7.4 123 ----- ----- Basin Index (%) 121 111 BELLE FOURCHE COLE CANYON 5910 5.1 3.7 138 11.0 6.1 180 ----- ----- Basin Index (%) 138 180 CHEYENNE RIVER BASIN BLIND PARK 6890 6.8 5.2 131 13.3 8.1 164 NORTH RAPID CREEK 6130 6.6 4.7 140 -M 6.5 * ----- ----- Basin Index (%) 135 164 UPPER N. PLATTE ARAPAHO RIDGE 10960 16.5 13.9 119 16.3 15.0 109 BLACKHALL MTN 9820 22.8 -M * 23.0 -M * COLUMBINE 9160 21.1 15.6 135 18.2 17.1 106 DIVIDE PEAK 8880 12.5 13.3 94 16.2 14.4 112 JOE WRIGHT 10120 12.1 13.4 90 19.8 16.8 118 LAPRELE CREEK 8375 5.2 5.8 90 7.0 7.9 89 MED BOW 10500 17.7 -M * 25.6 -M * NORTH FRENCH CREEK 10130 -M 16.9 * -M 17.5 * NEVER SUMMER 10280 14.3 13.1 109 12.2 -M * OLD BATTLE 10000 21.2 20.4 104 23.2 23.5 99 RAWAH 9020 9.3 6.7 139 11.9 9.4 127 SAGE CREEK BASIN 7850 7.5 8.9 84 8.8 10.3 85 SAND LAKE 10050 20.8 17.3 120 20.2 15.8 128 SOUTH BRUSH CREEK 8440 8.1 7.6 107 10.8 9.9 109 TOWER 10500 31.8 29.5 108 27.3 26.7 102 WEBBER SPRINGS 9250 15.7 15.0 105 18.5 17.8 104 WILLOW CREEK PASS 9540 8.8 8.0 110 9.8 8.6 114 ZIRKEL 9340 23.3 19.4 120 20.9 20.1 104 ----- ----- Basin Index (%) 110 107 SWEETWATER DEER PARK 9700 6.1 9.5 64 9.0 13.0 69 LARSEN CREEK 9000 5.4 -M * 7.7 -M * SOUTH PASS 9040 7.8 9.7 80 7.4 11.5 64 ----- ----- Basin Index (%) 72 67 LOWER N. PLATTE CASPER MTN. 7900 -M 8.0 * -M 9.4 * LAPRELE CREEK 8375 5.2 5.8 90 7.0 7.9 89 RENO HILL 8400 11.3 8.2 138 13.0 9.4 138 WINDY PEAK 7900 4.5 4.4 102 7.1 6.6 108 ----- ----- Basin Index (%) 114 113 LARAMIE RIVER BROOKLYN LAKE 10240 18.2 12.4 147 16.1 13.5 119 CINNABAR PARK 9574 15.6 13.8 113 18.5 16.9 109 CROW CREEK 8330 6.1 5.7 107 7.8 6.6 118 DEADMAN HILL 10220 14.9 10.6 141 14.3 10.7 134 RAWAH 9020 9.3 6.7 139 11.9 9.4 127 ROACH 9700 12.0 10.6 113 14.7 12.4 119 ----- ----- Basin Index (%) 127 120 S. PLATTE BLACK MOUNTAIN 8920 8.0 -M * 9.4 -M * CROW CREEK 8330 6.1 5.7 107 7.8 6.6 118 DEADMAN HILL 10220 14.9 10.6 141 14.3 10.7 134 ----- ----- Basin Index (%) 129 128 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 8.1 7.5 108 12.5 10.1 124 DIVIDE PEAK 8880 12.5 13.3 94 16.2 14.4 112 ELK RIVER 8700 13.7 12.2 112 15.1 13.4 113 LITTLE SNAKE RIVER 8915 19.4 16.6 117 21.2 21.8 97 OLD BATTLE 10000 21.2 20.4 104 23.2 23.5 99 SAGE CREEK BASIN 7850 7.5 8.9 84 8.8 10.3 85 SANDSTONE RS 8150 8.8 8.6 102 13.3 12.5 106 WHISKEY PARK 8950 25.9 17.1 151 27.1 18.8 144 ----- ----- Basin Index (%) 112 110 UPPER GREEN RIVER BIG SANDY OPENING 9080 7.7 8.6 90 7.2 8.7 83 BLIND BULL SUM 8650 16.9 14.9 113 12.4 13.5 92 EAST RIM DIVIDE 7930 8.9 7.0 127 7.7 8.1 95 ELKHART PARK G.S. 9400 9.2 7.8 118 8.6 8.9 97 GROS VENTRE SUMMIT 8750 8.3 8.7 95 7.6 8.6 88 GUNSIGHT PASS 9820 10.1 8.7 116 9.7 9.4 103 KENDALL R.S. 7740 9.4 8.1 116 10.4 9.7 107 LOOMIS PARK 8240 11.0 10.0 110 12.3 11.8 104 NEW FORK LAKE 8340 7.4 7.0 106 6.3 7.4 85 POCKET CREEK 9360 6.1 -M * 6.7 -M * SNIDER BASIN 8060 10.1 8.2 123 10.1 9.7 104 SPRING CREEK DIVIDE 9000 16.7 15.4 108 16.6 16.1 103 TRIPLE PEAK 8500 16.1 14.0 115 18.1 16.8 108 ----- ----- Basin Index (%) 111 99 LOWER GREEN RIVER BLACKS FORK JCT 8870 4.4 -M * 7.7 -M * BUCK PASTURE 9700 7.2 -M * 9.2 -M * EF BLACKS FORK GS 9360 3.3 -M * 6.4 -M * HAMS FORK 7840 7.8 7.6 103 7.7 7.6 101 HEWINTA 9519 4.6 6.3 73 8.0 9.0 89 HICKERSON PARK 9145 5.0 4.1 122 6.4 6.4 100 HOLE-IN-ROCK 9150 4.1 4.2 98 6.0 6.0 100 INDIAN CREEK 9425 14.2 15.2 93 13.0 14.8 88 KELLEY R.S. 8180 9.7 9.5 102 11.5 12.1 95 SPIRIT LK 10235 6.2 -M * 9.4 -M * STEEL CREEK PARK 10200 7.8 9.2 85 9.9 10.4 95 ----- ----- Basin Index (%) 95 94 UPPER BEAR RIVER BEAR RIVER RS 8777 5.0 -M * 7.5 -M * BUG LAKE 7950 12.3 12.0 102 11.5 13.0 88 BURTS MILLER RANCH 8000 4.2 -M * 4.4 -M * CHALK CREEK #1 8993 12.4 14.1 88 13.2 16.4 80 HAYDEN FORK 9212 7.6 9.2 83 11.5 13.8 83 KELLEY R.S. 8180 9.7 9.5 102 11.5 12.1 95 LILY LAKE 9156 8.0 7.7 104 9.6 11.2 86 MONTE CRISTO 8960 14.5 16.8 86 14.0 17.1 82 SALT RIVER SUMMIT 7760 8.9 8.3 107 10.7 11.2 96 ----- ----- Basin Index (%) 95 86 ----------------------------------------------------------------------------- -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.