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 WEDNESDAY: FEBRUARY 5 , 2014 ------------------------------------------------------------------------------ BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Median Median Current Average Avg ------------------------------------------------------------------------------ WYOMING SNAKE RIVER BASE CAMP 7030 12.1 11.0 110 13.4 14.4 93 BLACK BEAR 8170 22.2 23.7 94 21.5 25.5 84 BLIND BULL SUM 8650 15.7 14.5 108 11.5 13.2 87 COTTONWOOD CREEK 7670 14.9 13.6 110 16.6 16.3 102 EAST RIM DIVIDE 7930 8.2 6.9 119 7.0 7.9 89 GRAND TARGHEE 9260 27.6 24.1 115 19.8 21.3 93 GRANITE CREEK 6770 9.7 11.0 88 10.8 14.0 77 GRASSY LAKE 7265 19.8 21.0 94 20.6 24.6 84 GROS VENTRE SUMMIT 8750 8.1 8.6 94 7.1 8.4 85 GUNSIGHT PASS 9820 9.6 8.5 113 9.0 9.2 98 LEWIS LAKE DIVIDE 7850 16.9 20.4 83 19.5 23.7 82 PHILLIPS BENCH 8200 14.7 16.1 91 15.6 18.7 83 SALT RIVER SUMMIT 7760 7.9 8.2 96 9.9 10.9 91 SNAKE RIVER STATION 6920 10.5 11.4 92 13.3 15.8 84 SPRING CREEK DIVIDE 9000 15.6 15.1 103 15.5 15.9 97 THUMB DIVIDE 7980 7.8 9.6 81 8.1 12.4 65 TOGWOTEE PASS 9580 16.4 15.3 107 16.3 16.2 101 TWO OCEAN PLATEAU 9240 20.1 18.3 110 16.2 17.7 92 WILLOW CREEK 8380 18.3 17.8 103 21.4 22.2 96 YOUNTS PEAK 8350 -M 10.0 * -M 10.8 * ----- ----- Basin Index (%) 100 89 MADISON-GALLATIN BLACK BEAR 8170 22.2 23.7 94 21.5 25.5 84 CANYON 7870 8.2 8.4 98 9.6 11.0 87 MADISON PLATEAU 7750 12.8 14.3 90 13.5 17.7 76 WEST YELLOWSTONE 6700 7.5 7.1 106 8.6 9.9 87 WHISKEY CREEK 6800 9.2 9.7 95 11.2 13.6 82 ----- ----- Basin Index (%) 95 83 YELLOWSTONE BEARTOOTH LAKE 9360 15.3 14.3 107 13.7 13.2 104 BURNT MTN 5880 5.9 2.6 227 12.1 8.1 149 CANYON 7870 8.2 8.4 98 9.6 11.0 87 COLE CREEK 7850 12.7 8.6 148 8.9 7.8 114 EVENING STAR 9200 21.2 16.7 127 21.8 18.4 118 FISHER CREEK 9100 23.1 21.3 108 20.3 21.3 95 NORTHEAST ENTRANCE 7350 7.5 6.6 114 8.1 8.5 95 PARKER PEAK 9400 17.0 13.4 127 15.6 11.7 133 SYLVAN LAKE 8420 13.8 13.4 103 15.9 15.2 105 THUMB DIVIDE 7980 7.8 9.6 81 8.1 12.4 65 TWO OCEAN PLATEAU 9240 20.1 18.3 110 16.2 17.7 92 WHITE MILL 8700 17.5 15.0 117 14.8 15.9 93 WOLVERINE 7650 9.8 7.2 136 8.0 8.4 95 ----- ----- Basin Index (%) 116 102 WIND RIVER BURROUGHS CREEK 8750 -M 8.7 * -M 10.7 * CASTLE CREEK 8400 4.7 -M * 6.3 -M * COLD SPRINGS 9630 5.9 4.8 123 7.9 6.4 123 DEER PARK 9700 5.9 9.5 62 8.6 12.6 68 HOBBS PARK 10100 8.0 8.0 100 7.1 8.0 89 KIRWIN 9550 9.0 6.0 150 8.0 7.4 108 LITTLE WARM 9370 7.6 6.6 115 8.9 8.4 106 OWL CREEK 8975 4.1 3.1 132 3.9 3.6 108 SOUTH PASS 9040 7.4 9.7 76 6.9 11.2 62 ST. LAWRENCE ALT 8620 3.2 4.2 76 5.9 5.5 107 TOGWOTEE PASS 9580 16.4 15.3 107 16.3 16.2 101 TOWNSEND CREEK 8700 3.9 5.4 72 5.1 7.3 70 ----- ----- Basin Index (%) 98 91 BIGHORN BASIN BALD MTN. 9380 15.6 11.0 142 11.8 11.0 107 BEAR TRAP MEADOW 8200 6.9 3.5 197 7.1 5.3 134 BONE SPRINGS DIV 9350 12.4 9.9 125 9.2 9.8 94 GRAVE SPRINGS 8550 7.8 5.0 156 8.4 6.6 127 KIRWIN 9550 9.0 6.0 150 8.0 7.4 108 MARQUETTE 8760 5.4 -M * 7.4 -M * MIDDLE POWDER 7760 10.8 6.5 166 9.2 7.6 121 OWL CREEK 8975 4.1 3.1 132 3.9 3.6 108 POWDER RIVER PASS 9480 9.8 6.8 144 10.1 8.1 125 SHELL CREEK 9580 11.2 9.3 120 9.5 9.2 103 TIMBER CREEK 7950 3.9 3.1 126 5.5 4.6 120 ----- ----- Basin Index (%) 143 113 SHOSHONE RIVER BLACKWATER 9780 17.2 15.0 115 14.6 13.6 107 EVENING STAR 9200 21.2 16.7 127 21.8 18.4 118 MARQUETTE 8760 5.4 -M * 7.4 -M * SYLVAN ROAD 7120 8.5 7.9 108 12.4 12.2 102 YOUNTS PEAK 8350 -M 10.0 * -M 10.8 * ----- ----- Basin Index (%) 118 110 POWDER RIVER BEAR TRAP MEADOW 8200 6.9 3.5 197 7.1 5.3 134 CLOUD PEAK RESERVOIR 9860 11.7 8.6 136 10.2 8.1 126 GRAVE SPRINGS 8550 7.8 5.0 156 8.4 6.6 127 HANSEN SAWMILL 8360 5.0 4.0 125 7.1 5.2 137 MIDDLE POWDER 7760 10.8 6.5 166 9.2 7.6 121 POWDER RIVER PASS 9480 9.8 6.8 144 10.1 8.1 125 SOLDIER PARK 8720 5.2 -M * 6.6 -M * ----- ----- Basin Index (%) 151 127 TONGUE RIVER BIG GOOSE 7990 5.6 5.0 112 7.9 6.7 118 BONE SPRINGS DIV 9350 12.4 9.9 125 9.2 9.8 94 BURGESS JUNCTION 7880 8.6 6.8 126 9.5 7.7 123 DOME LAKE 8880 6.6 7.0 94 7.0 8.6 81 LITTLE GOOSE 8870 6.6 -M * 9.1 -M * SUCKER CREEK 8880 10.1 7.3 138 11.2 8.9 126 TIE CREEK 6870 4.4 3.5 126 8.9 7.2 124 ----- ----- Basin Index (%) 121 110 BELLE FOURCHE COLE CANYON 5910 4.7 3.4 138 11.0 5.8 190 ----- ----- Basin Index (%) 138 190 CHEYENNE RIVER BASIN BLIND PARK 6890 6.7 5.0 134 13.5 8.0 169 NORTH RAPID CREEK 6130 6.4 4.4 145 12.0 6.4 188 ----- ----- Basin Index (%) 139 177 UPPER N. PLATTE ARAPAHO RIDGE 10960 15.4 13.5 114 15.3 14.6 105 BLACKHALL MTN 9820 21.0 -M * 21.9 -M * COLUMBINE 9160 19.6 15.2 129 17.9 16.8 107 DIVIDE PEAK 8880 11.8 12.8 92 15.3 14.0 109 JOE WRIGHT 10120 11.8 13.2 89 19.0 16.5 115 LAPRELE CREEK 8375 4.6 5.6 82 6.7 7.7 87 MED BOW 10500 19.1 -M * 26.7 -M * NORTH FRENCH CREEK 10130 -M 16.4 * -M 17.3 * NEVER SUMMER 10280 13.4 12.9 104 11.7 -M * OLD BATTLE 10000 19.7 19.8 99 22.5 23.1 97 RAWAH 9020 9.1 6.5 140 11.4 9.3 123 SAGE CREEK BASIN 7850 6.6 8.8 75 8.4 10.1 83 SAND LAKE 10050 19.4 16.9 115 19.0 15.5 123 SOUTH BRUSH CREEK 8440 7.8 7.5 104 10.3 9.8 105 TOWER 10500 29.9 28.5 105 -M 26.2 * WEBBER SPRINGS 9250 14.5 14.6 99 16.9 17.5 97 WILLOW CREEK PASS 9540 8.4 7.9 106 9.3 8.5 109 ZIRKEL 9340 21.0 19.1 110 20.9 19.7 106 ----- ----- Basin Index (%) 105 105 SWEETWATER DEER PARK 9700 5.9 9.5 62 8.6 12.6 68 LARSEN CREEK 9000 4.6 -M * 7.1 -M * SOUTH PASS 9040 7.4 9.7 76 6.9 11.2 62 ----- ----- Basin Index (%) 69 65 LOWER N. PLATTE CASPER MTN. 7900 -M 7.8 * -M 9.3 * LAPRELE CREEK 8375 4.6 5.6 82 6.7 7.7 87 RENO HILL 8400 11.1 7.9 141 12.3 9.2 134 WINDY PEAK 7900 4.1 4.3 95 7.1 6.5 109 ----- ----- Basin Index (%) 111 112 LARAMIE RIVER BROOKLYN LAKE 10240 16.8 12.1 139 15.9 13.3 120 CINNABAR PARK 9574 14.5 13.6 107 17.9 16.6 108 CROW CREEK 8330 6.0 5.7 105 7.8 6.5 120 DEADMAN HILL 10220 14.1 10.4 136 13.5 10.5 129 RAWAH 9020 9.1 6.5 140 11.4 9.3 123 ROACH 9700 11.1 10.3 108 13.6 12.1 112 ----- ----- Basin Index (%) 122 117 S. PLATTE BLACK MOUNTAIN 8920 7.6 -M * 11.1 -M * CROW CREEK 8330 6.0 5.7 105 7.8 6.5 120 DEADMAN HILL 10220 14.1 10.4 136 13.5 10.5 129 ----- ----- Basin Index (%) 125 125 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 8.0 7.3 110 12.0 10.0 120 DIVIDE PEAK 8880 11.8 12.8 92 15.3 14.0 109 ELK RIVER 8700 13.2 11.9 111 14.7 13.2 111 LITTLE SNAKE RIVER 8915 17.8 16.1 111 21.0 21.4 98 OLD BATTLE 10000 19.7 19.8 99 22.5 23.1 97 SAGE CREEK BASIN 7850 6.6 8.8 75 8.4 10.1 83 SANDSTONE RS 8150 8.4 8.3 101 12.7 12.3 103 WHISKEY PARK 8950 24.5 16.8 146 26.2 18.4 142 ----- ----- Basin Index (%) 108 108 UPPER GREEN RIVER BIG SANDY OPENING 9080 6.9 8.5 81 6.7 8.6 78 BLIND BULL SUM 8650 15.7 14.5 108 11.5 13.2 87 EAST RIM DIVIDE 7930 8.2 6.9 119 7.0 7.9 89 ELKHART PARK G.S. 9400 8.6 7.7 112 7.9 8.7 91 GROS VENTRE SUMMIT 8750 8.1 8.6 94 7.1 8.4 85 GUNSIGHT PASS 9820 9.6 8.5 113 9.0 9.2 98 KENDALL R.S. 7740 8.8 7.8 113 9.5 9.5 100 LOOMIS PARK 8240 10.1 9.8 103 11.5 11.6 99 NEW FORK LAKE 8340 6.8 6.8 100 5.8 7.3 79 POCKET CREEK 9360 5.6 -M * 6.3 -M * SNIDER BASIN 8060 9.2 7.9 116 9.1 9.5 96 SPRING CREEK DIVIDE 9000 15.6 15.1 103 15.5 15.9 97 TRIPLE PEAK 8500 14.9 13.5 110 16.9 16.5 102 ----- ----- Basin Index (%) 106 93 LOWER GREEN RIVER BLACKS FORK JCT 8870 4.0 -M * 7.5 -M * BUCK PASTURE 9700 6.9 -M * 9.1 -M * EF BLACKS FORK GS 9360 3.1 -M * 6.2 -M * HAMS FORK 7840 6.4 7.4 86 6.7 7.5 89 HEWINTA 9519 4.4 6.1 72 7.7 8.9 87 HICKERSON PARK 9145 4.7 3.9 121 5.8 6.3 92 HOLE-IN-ROCK 9150 3.9 4.1 95 5.8 5.9 98 INDIAN CREEK 9425 12.8 14.8 86 11.7 14.4 81 KELLEY R.S. 8180 8.7 9.3 94 10.3 11.9 87 SPIRIT LK 10235 5.9 -M * 9.1 -M * STEEL CREEK PARK 10200 6.6 9.0 73 9.7 10.2 95 ----- ----- Basin Index (%) 87 89 UPPER BEAR RIVER BEAR RIVER RS 8777 4.7 -M * 7.2 -M * BUG LAKE 7950 10.0 11.6 86 9.7 12.8 76 BURTS MILLER RANCH 8000 4.1 -M * 4.2 -M * CHALK CREEK #1 8993 11.9 13.5 88 12.8 16.1 80 HAYDEN FORK 9212 7.4 8.9 83 11.2 13.6 82 KELLEY R.S. 8180 8.7 9.3 94 10.3 11.9 87 LILY LAKE 9156 7.6 7.6 100 9.3 11.0 85 MONTE CRISTO 8960 12.5 16.2 77 12.3 16.8 73 SALT RIVER SUMMIT 7760 7.9 8.2 96 9.9 10.9 91 ----- ----- Basin Index (%) 88 81 ----------------------------------------------------------------------------- -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.