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: JANUARY 4 , 2014 ------------------------------------------------------------------------------ BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Median Median Current Average Avg ------------------------------------------------------------------------------ WYOMING SNAKE RIVER BASE CAMP 7030 8.7 7.5 116 9.8 10.4 94 BLACK BEAR 8170 16.9 18.5 91 16.5 18.8 88 BLIND BULL SUM 8650 10.5 9.5 111 8.6 9.8 88 COTTONWOOD CREEK 7670 9.2 8.8 105 10.6 11.7 91 EAST RIM DIVIDE 7930 5.9 4.6 128 5.6 5.7 98 GRAND TARGHEE 9260 21.3 18.0 118 15.4 15.4 100 GRANITE CREEK 6770 6.6 6.8 97 7.9 9.9 80 GRASSY LAKE 7265 12.9 13.5 96 14.7 17.9 82 GROS VENTRE SUMMIT 8750 6.8 6.4 106 6.1 6.4 95 GUNSIGHT PASS 9820 7.7 6.4 120 7.5 6.7 112 LEWIS LAKE DIVIDE 7850 10.7 13.8 78 13.1 17.7 74 PHILLIPS BENCH 8200 10.2 11.5 89 11.2 13.6 82 SALT RIVER SUMMIT 7760 5.0 5.1 98 6.9 7.9 87 SNAKE RIVER STATION 6920 6.8 6.9 99 9.3 11.6 80 SPRING CREEK DIVIDE 9000 9.6 10.6 91 10.1 11.4 89 THUMB DIVIDE 7980 5.7 6.5 88 6.4 9.3 69 TOGWOTEE PASS 9580 12.2 11.4 107 11.8 12.0 98 TWO OCEAN PLATEAU 9240 14.4 13.0 111 11.9 13.3 89 WILLOW CREEK 8380 11.8 11.5 103 15.3 16.3 94 YOUNTS PEAK 8350 -M 7.1 * -M 8.2 * ----- ----- Basin Index (%) 101 88 MADISON-GALLATIN BLACK BEAR 8170 16.9 18.5 91 16.5 18.8 88 CANYON 7870 5.6 5.8 97 7.1 8.2 87 MADISON PLATEAU 7750 9.1 10.5 87 10.3 13.1 79 WEST YELLOWSTONE 6700 4.9 4.9 100 6.0 7.4 81 WHISKEY CREEK 6800 6.4 7.1 90 8.3 10.3 81 ----- ----- Basin Index (%) 92 83 YELLOWSTONE BEARTOOTH LAKE 9360 11.3 10.3 110 9.6 9.5 101 BURNT MTN 5880 4.2 1.9 221 9.7 6.9 141 CANYON 7870 5.6 5.8 97 7.1 8.2 87 COLE CREEK 7850 9.2 6.4 144 6.7 6.5 103 EVENING STAR 9200 15.5 12.1 128 16.1 13.7 118 FISHER CREEK 9100 17.0 15.7 108 15.1 15.7 96 NORTHEAST ENTRANCE 7350 4.9 4.4 111 5.7 6.4 89 PARKER PEAK 9400 12.8 10.3 124 12.1 8.9 136 SYLVAN LAKE 8420 10.3 9.6 107 12.3 11.6 106 THUMB DIVIDE 7980 5.7 6.5 88 6.4 9.3 69 TWO OCEAN PLATEAU 9240 14.4 13.0 111 11.9 13.3 89 WHITE MILL 8700 12.6 10.4 121 10.6 11.8 90 WOLVERINE 7650 6.7 5.1 131 5.7 6.4 89 ----- ----- Basin Index (%) 117 101 WIND RIVER BURROUGHS CREEK 8750 -M 6.5 * -M 8.0 * CASTLE CREEK 8400 3.3 -M * 5.0 -M * COLD SPRINGS 9630 4.9 3.3 148 6.6 5.1 129 DEER PARK 9700 5.0 6.6 76 6.9 9.5 73 HOBBS PARK 10100 6.7 6.8 99 5.9 6.4 92 KIRWIN 9550 7.2 4.5 160 6.2 5.8 107 LITTLE WARM 9370 6.0 4.7 128 7.1 6.4 111 OWL CREEK 8975 3.7 2.7 137 3.6 2.9 124 SOUTH PASS 9040 5.9 6.8 87 6.0 8.6 70 ST. LAWRENCE ALT 8620 2.7 3.2 84 5.0 4.4 114 TOGWOTEE PASS 9580 12.2 11.4 107 11.8 12.0 98 TOWNSEND CREEK 8700 3.2 4.2 76 4.3 5.9 73 ----- ----- Basin Index (%) 106 95 BIGHORN BASIN BALD MTN. 9380 11.9 8.9 134 9.5 8.2 116 BEAR TRAP MEADOW 8200 4.8 2.6 185 5.6 4.3 130 BONE SPRINGS DIV 9350 8.8 7.5 117 6.7 7.4 91 GRAVE SPRINGS 8550 6.0 3.6 167 6.8 5.3 128 KIRWIN 9550 7.2 4.5 160 6.2 5.8 107 MARQUETTE 8760 -M -M * 5.9 -M * MIDDLE POWDER 7760 8.3 5.1 163 7.4 6.2 119 OWL CREEK 8975 3.7 2.7 137 3.6 2.9 124 POWDER RIVER PASS 9480 6.6 5.0 132 6.7 6.1 110 SHELL CREEK 9580 8.0 7.3 110 6.7 6.7 100 TIMBER CREEK 7950 3.3 2.2 150 4.9 3.9 126 ----- ----- Basin Index (%) 139 113 SHOSHONE RIVER BLACKWATER 9780 12.8 10.9 117 10.5 10.3 102 EVENING STAR 9200 15.5 12.1 128 16.1 13.7 118 MARQUETTE 8760 -M -M * 5.9 -M * SYLVAN ROAD 7120 6.3 5.8 109 9.7 9.4 103 YOUNTS PEAK 8350 -M 7.1 * -M 8.2 * ----- ----- Basin Index (%) 120 109 POWDER RIVER BEAR TRAP MEADOW 8200 4.8 2.6 185 5.6 4.3 130 CLOUD PEAK RESERVOIR 9860 8.2 6.4 128 8.0 6.4 125 GRAVE SPRINGS 8550 6.0 3.6 167 6.8 5.3 128 HANSEN SAWMILL 8360 4.0 3.1 129 5.8 4.2 138 MIDDLE POWDER 7760 8.3 5.1 163 7.4 6.2 119 POWDER RIVER PASS 9480 6.6 5.0 132 6.7 6.1 110 SOLDIER PARK 8720 3.8 -M * 5.5 -M * ----- ----- Basin Index (%) 147 124 TONGUE RIVER BIG GOOSE 7990 4.6 3.8 121 6.7 5.4 124 BONE SPRINGS DIV 9350 8.8 7.5 117 6.7 7.4 91 BURGESS JUNCTION 7880 6.2 4.9 127 7.4 6.0 123 DOME LAKE 8880 4.1 5.6 73 5.5 6.9 80 LITTLE GOOSE 8870 -M -M * -M -M * SUCKER CREEK 8880 7.9 5.4 146 8.8 6.9 128 TIE CREEK 6870 2.9 2.2 132 7.3 5.8 126 ----- ----- Basin Index (%) 117 110 BELLE FOURCHE COLE CANYON 5910 3.7 2.3 161 9.4 4.7 200 ----- ----- Basin Index (%) 161 200 CHEYENNE RIVER BASIN BLIND PARK 6890 4.8 3.4 141 10.8 6.2 174 NORTH RAPID CREEK 6130 4.6 3.2 144 10.3 5.1 202 ----- ----- Basin Index (%) 142 187 UPPER N. PLATTE ARAPAHO RIDGE 10960 10.6 9.9 107 10.6 11.2 95 BLACKHALL MTN 9820 14.6 -M * 15.7 -M * COLUMBINE 9160 10.6 9.2 115 13.0 12.0 108 DIVIDE PEAK 8880 8.4 9.0 93 11.9 10.6 112 JOE WRIGHT 10120 7.8 9.7 80 12.8 12.5 102 LAPRELE CREEK 8375 3.3 4.1 80 5.3 6.1 87 MED BOW 10500 13.1 -M * 16.8 -M * NORTH FRENCH CREEK 10130 14.9 12.2 122 16.2 12.5 130 NEVER SUMMER 10280 9.5 9.2 103 8.6 -M * OLD BATTLE 10000 13.9 13.3 105 16.0 17.0 94 RAWAH 9020 5.9 4.8 123 8.8 7.6 116 SAGE CREEK BASIN 7850 4.9 6.2 79 6.8 7.8 87 SAND LAKE 10050 13.7 12.4 110 13.8 11.6 119 SOUTH BRUSH CREEK 8440 6.3 5.1 124 8.8 7.4 119 TOWER 10500 18.9 19.0 99 20.5 19.0 108 WEBBER SPRINGS 9250 9.7 10.1 96 12.1 13.0 93 WILLOW CREEK PASS 9540 6.5 5.6 116 7.4 6.7 110 ZIRKEL 9340 12.3 10.7 115 15.1 14.2 106 ----- ----- Basin Index (%) 104 106 SWEETWATER DEER PARK 9700 5.0 6.6 76 6.9 9.5 73 LARSEN CREEK 9000 2.2 -M * 5.3 -M * SOUTH PASS 9040 5.9 6.8 87 6.0 8.6 70 ----- ----- Basin Index (%) 81 71 LOWER N. PLATTE CASPER MTN. 7900 9.8 6.1 161 9.2 7.5 123 LAPRELE CREEK 8375 3.3 4.1 80 5.3 6.1 87 RENO HILL 8400 9.4 6.0 157 11.3 7.3 155 WINDY PEAK 7900 3.0 3.1 97 5.6 5.3 106 ----- ----- Basin Index (%) 132 120 LARAMIE RIVER BROOKLYN LAKE 10240 10.5 8.3 127 10.7 9.5 113 CINNABAR PARK 9574 10.1 9.5 106 12.2 12.0 102 CROW CREEK 8330 3.8 4.7 81 5.9 5.6 105 DEADMAN HILL 10220 9.8 7.3 134 9.8 8.0 122 RAWAH 9020 5.9 4.8 123 8.8 7.6 116 ROACH 9700 7.8 7.1 110 10.2 9.2 111 ----- ----- Basin Index (%) 115 111 S. PLATTE BLACK MOUNTAIN 8920 5.5 -M * 6.8 -M * CROW CREEK 8330 3.8 4.7 81 5.9 5.6 105 DEADMAN HILL 10220 9.8 7.3 134 9.8 8.0 122 ----- ----- Basin Index (%) 113 115 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 5.4 4.5 120 9.5 7.2 132 DIVIDE PEAK 8880 8.4 9.0 93 11.9 10.6 112 ELK RIVER 8700 9.0 7.4 122 11.0 9.4 117 LITTLE SNAKE RIVER 8915 11.2 9.5 118 16.2 15.4 105 OLD BATTLE 10000 13.9 13.3 105 16.0 17.0 94 SAGE CREEK BASIN 7850 4.9 6.2 79 6.8 7.8 87 SANDSTONE RS 8150 5.5 4.8 115 9.6 8.9 108 WHISKEY PARK 8950 15.4 9.8 157 17.5 12.6 139 ----- ----- Basin Index (%) 114 111 UPPER GREEN RIVER BIG SANDY OPENING 9080 5.0 6.3 79 4.8 6.6 73 BLIND BULL SUM 8650 10.5 9.5 111 8.6 9.8 88 EAST RIM DIVIDE 7930 5.9 4.6 128 5.6 5.7 98 ELKHART PARK G.S. 9400 6.1 5.8 105 6.0 6.7 90 GROS VENTRE SUMMIT 8750 6.8 6.4 106 6.1 6.4 95 GUNSIGHT PASS 9820 7.7 6.4 120 7.5 6.7 112 KENDALL R.S. 7740 6.3 5.1 124 7.3 6.8 107 LOOMIS PARK 8240 6.9 6.8 101 8.2 8.5 96 NEW FORK LAKE 8340 4.9 4.7 104 4.6 5.4 85 POCKET CREEK 9360 4.6 -M * 4.5 -M * SNIDER BASIN 8060 5.3 5.5 96 5.9 6.9 86 SPRING CREEK DIVIDE 9000 9.6 10.6 91 10.1 11.4 89 TRIPLE PEAK 8500 9.0 8.7 103 10.8 11.6 93 ----- ----- Basin Index (%) 104 92 LOWER GREEN RIVER BLACKS FORK JCT 8870 2.6 -M * 5.3 -M * BUCK PASTURE 9700 4.5 -M * 6.9 -M * EF BLACKS FORK GS 9360 1.8 -M * 4.5 -M * HAMS FORK 7840 -M 4.8 * -M 5.4 * HEWINTA 9519 2.4 4.0 60 5.6 6.6 85 HICKERSON PARK 9145 3.8 3.0 127 5.3 5.1 104 HOLE-IN-ROCK 9150 2.8 3.0 93 4.9 4.8 102 INDIAN CREEK 9425 8.0 10.2 78 7.9 10.4 76 KELLEY R.S. 8180 5.4 6.4 84 7.2 8.8 82 SPIRIT LK 10235 5.0 -M * 7.6 -M * STEEL CREEK PARK 10200 5.7 6.3 90 7.0 7.7 91 ----- ----- Basin Index (%) 85 87 UPPER BEAR RIVER BEAR RIVER RS 8777 3.0 -M * 5.6 -M * BUG LAKE 7950 6.0 6.6 91 6.7 9.4 71 BURTS MILLER RANCH 8000 2.7 -M * 3.3 -M * CHALK CREEK #1 8993 8.4 10.0 84 9.6 12.0 80 HAYDEN FORK 9212 4.3 6.2 69 7.8 10.0 78 KELLEY R.S. 8180 5.4 6.4 84 7.2 8.8 82 LILY LAKE 9156 4.5 5.3 85 7.1 8.3 86 MONTE CRISTO 8960 7.9 10.5 75 8.6 12.3 70 SALT RIVER SUMMIT 7760 5.0 5.1 98 6.9 7.9 87 ----- ----- Basin Index (%) 83 78 ----------------------------------------------------------------------------- -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.