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 MONDAY: MARCH 24 , 2014 ------------------------------------------------------------------------------ BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Median Median Current Average Avg ------------------------------------------------------------------------------ WYOMING SNAKE RIVER BASE CAMP 7030 23.5 14.6 161 24.0 19.3 124 BLACK BEAR 8170 37.3 33.4 112 35.0 35.1 100 BLIND BULL SUM 8650 34.6 21.0 165 22.4 17.9 125 COTTONWOOD CREEK 7670 29.7 20.4 146 32.2 22.5 143 EAST RIM DIVIDE 7930 16.9 9.7 174 14.8 10.8 137 GRAND TARGHEE 9260 46.2 33.6 138 34.8 27.6 126 GRANITE CREEK 6770 23.2 14.8 157 23.2 18.4 126 GRASSY LAKE 7265 36.4 30.0 121 34.8 33.2 105 GROS VENTRE SUMMIT 8750 14.4 11.9 121 14.4 11.7 123 GUNSIGHT PASS 9820 19.6 12.4 158 17.9 12.4 144 LEWIS LAKE DIVIDE 7850 33.9 28.4 119 -M 32.7 * PHILLIPS BENCH 8200 33.0 22.9 144 32.0 25.8 124 SALT RIVER SUMMIT 7760 17.3 12.2 142 18.4 15.3 120 SNAKE RIVER STATION 6920 -M 15.5 * -M 20.8 * SPRING CREEK DIVIDE 9000 33.9 21.8 156 31.2 21.9 142 THUMB DIVIDE 7980 16.3 14.6 112 15.0 16.8 89 TOGWOTEE PASS 9580 30.1 21.0 143 -M 22.2 * TWO OCEAN PLATEAU 9240 36.7 24.5 150 -M 24.9 * WILLOW CREEK 8380 38.2 25.3 151 38.6 30.6 126 YOUNTS PEAK 8350 -M 13.7 * -M 14.4 * ----- ----- Basin Index (%) 140 122 MADISON-GALLATIN BLACK BEAR 8170 37.3 33.4 112 35.0 35.1 100 CANYON 7870 13.4 11.9 113 15.0 14.8 101 MADISON PLATEAU 7750 21.5 20.4 105 21.7 24.1 90 WEST YELLOWSTONE 6700 12.6 10.0 126 13.8 12.9 107 WHISKEY CREEK 6800 15.4 14.4 107 18.2 18.4 99 ----- ----- Basin Index (%) 111 98 YELLOWSTONE BEARTOOTH LAKE 9360 29.0 20.0 145 26.3 18.1 145 BURNT MTN 5880 9.5 4.8 198 16.9 11.2 151 CANYON 7870 13.4 11.9 113 15.0 14.8 101 COLE CREEK 7850 18.9 12.4 152 13.2 11.1 119 EVENING STAR 9200 35.6 22.9 155 35.0 24.9 141 FISHER CREEK 9100 39.9 28.4 140 35.1 29.2 120 NORTHEAST ENTRANCE 7350 14.2 9.4 151 14.1 11.2 126 PARKER PEAK 9400 28.2 17.9 158 22.1 16.0 138 SYLVAN LAKE 8420 21.8 18.5 118 24.8 20.3 122 THUMB DIVIDE 7980 16.3 14.6 112 15.0 16.8 89 TWO OCEAN PLATEAU 9240 36.7 24.5 150 -M 24.9 * WHITE MILL 8700 30.8 20.6 150 26.3 21.7 121 WOLVERINE 7650 14.2 8.9 160 15.4 11.2 138 ----- ----- Basin Index (%) 144 126 WIND RIVER BURROUGHS CREEK 8750 -M 12.6 * -M 14.5 * CASTLE CREEK 8400 10.2 -M * 12.0 -M * COLD SPRINGS 9630 9.3 6.6 141 12.8 8.8 145 DEER PARK 9700 15.7 14.0 112 17.9 17.6 102 HOBBS PARK 10100 14.4 12.4 116 12.7 11.4 111 KIRWIN 9550 17.8 8.6 207 16.3 10.2 160 LITTLE WARM 9370 14.0 9.6 146 16.2 11.5 141 OWL CREEK 8975 7.2 4.7 153 7.0 5.2 135 SOUTH PASS 9040 15.6 14.4 108 14.5 15.7 92 ST. LAWRENCE ALT 8620 4.5 6.4 70 8.1 7.8 104 TOGWOTEE PASS 9580 30.1 21.0 143 -M 22.2 * TOWNSEND CREEK 8700 7.6 8.5 89 8.5 10.3 83 ----- ----- Basin Index (%) 128 116 BIGHORN BASIN BALD MTN. 9380 23.0 16.7 138 17.5 15.2 115 BEAR TRAP MEADOW 8200 9.9 5.2 190 9.9 7.4 134 BONE SPRINGS DIV 9350 19.4 14.3 136 15.1 13.7 110 GRAVE SPRINGS 8550 11.4 8.3 137 11.3 9.3 122 KIRWIN 9550 17.8 8.6 207 16.3 10.2 160 MARQUETTE 8760 13.0 -M * 11.7 -M * MIDDLE POWDER 7760 15.0 10.3 146 12.2 10.4 117 OWL CREEK 8975 7.2 4.7 153 7.0 5.2 135 POWDER RIVER PASS 9480 14.6 9.4 155 15.4 11.2 138 SHELL CREEK 9580 17.9 13.2 136 15.4 12.2 126 TIMBER CREEK 7950 6.1 4.1 149 7.8 6.4 122 ----- ----- Basin Index (%) 150 126 SHOSHONE RIVER BLACKWATER 9780 29.5 21.1 140 26.5 18.5 143 EVENING STAR 9200 35.6 22.9 155 35.0 24.9 141 MARQUETTE 8760 13.0 -M * 11.7 -M * SYLVAN ROAD 7120 14.7 10.7 137 19.2 15.4 125 YOUNTS PEAK 8350 -M 13.7 * -M 14.4 * ----- ----- Basin Index (%) 146 137 POWDER RIVER BEAR TRAP MEADOW 8200 9.9 5.2 190 9.9 7.4 134 CLOUD PEAK RESERVOIR 9860 19.5 13.3 147 17.1 11.6 147 GRAVE SPRINGS 8550 11.4 8.3 137 11.3 9.3 122 HANSEN SAWMILL 8360 9.1 5.9 154 11.2 7.5 149 MIDDLE POWDER 7760 15.0 10.3 146 12.2 10.4 117 POWDER RIVER PASS 9480 14.6 9.4 155 15.4 11.2 138 SOLDIER PARK 8720 12.0 -M * 10.5 -M * ----- ----- Basin Index (%) 152 134 TONGUE RIVER BIG GOOSE 7990 11.5 8.1 142 13.6 9.6 142 BONE SPRINGS DIV 9350 19.4 14.3 136 15.1 13.7 110 BURGESS JUNCTION 7880 14.2 9.9 143 14.8 10.8 137 DOME LAKE 8880 14.3 10.6 135 13.2 11.8 112 LITTLE GOOSE 8870 13.0 -M * 15.7 -M * SUCKER CREEK 8880 16.6 11.1 150 17.8 12.6 141 TIE CREEK 6870 8.8 5.2 169 13.8 10.0 138 ----- ----- Basin Index (%) 143 129 BELLE FOURCHE COLE CANYON 5910 7.6 5.6 136 13.5 8.1 167 ----- ----- Basin Index (%) 136 167 CHEYENNE RIVER BASIN BLIND PARK 6890 8.8 7.1 124 15.9 10.6 150 NORTH RAPID CREEK 6130 9.3 6.7 139 14.5 8.8 165 ----- ----- Basin Index (%) 131 157 UPPER N. PLATTE ARAPAHO RIDGE 10960 25.3 18.4 138 25.1 20.1 125 BLACKHALL MTN 9820 35.1 -M * 27.7 -M * COLUMBINE 9160 33.2 22.1 150 -M 23.4 * DIVIDE PEAK 8880 18.1 18.2 99 20.9 19.6 107 JOE WRIGHT 10120 21.6 19.4 111 29.8 23.4 127 LAPRELE CREEK 8375 8.9 9.3 96 10.4 11.1 94 MED BOW 10500 8.4 -M * 34.3 -M * NORTH FRENCH CREEK 10130 33.1 26.3 126 32.2 24.3 133 NEVER SUMMER 10280 23.3 18.3 127 17.2 -M * OLD BATTLE 10000 31.6 27.3 116 34.5 32.1 107 RAWAH 9020 14.2 9.8 145 16.5 12.5 132 SAGE CREEK BASIN 7850 12.3 11.8 104 11.5 13.2 87 SAND LAKE 10050 31.7 25.5 124 30.5 22.2 137 SOUTH BRUSH CREEK 8440 11.9 11.5 103 13.8 13.7 101 TOWER 10500 48.3 41.0 118 -M 36.4 * WEBBER SPRINGS 9250 24.9 21.6 115 26.8 24.4 110 WILLOW CREEK PASS 9540 14.1 11.2 126 14.0 12.0 117 ZIRKEL 9340 39.4 25.5 155 -M 25.8 * ----- ----- Basin Index (%) 124 116 SWEETWATER DEER PARK 9700 15.7 14.0 112 17.9 17.6 102 LARSEN CREEK 9000 13.0 11.5 113 15.0 -M * SOUTH PASS 9040 15.6 14.4 108 14.5 15.7 92 ----- ----- Basin Index (%) 111 97 LOWER N. PLATTE CASPER MTN. 7900 17.1 12.6 136 14.7 13.2 111 LAPRELE CREEK 8375 8.9 9.3 96 10.4 11.1 94 RENO HILL 8400 17.0 12.4 137 18.8 13.4 140 WINDY PEAK 7900 8.8 7.5 117 11.2 9.4 119 ----- ----- Basin Index (%) 124 117 LARAMIE RIVER BROOKLYN LAKE 10240 29.7 18.2 163 26.9 19.0 142 CINNABAR PARK 9574 22.1 18.9 117 27.6 21.8 127 CROW CREEK 8330 7.2 6.9 104 11.1 9.4 118 DEADMAN HILL 10220 23.7 14.3 166 22.4 15.4 145 RAWAH 9020 14.2 9.8 145 16.5 12.5 132 ROACH 9700 19.9 14.3 139 22.4 17.2 130 ----- ----- Basin Index (%) 142 133 S. PLATTE BLACK MOUNTAIN 8920 12.2 -M * -M -M * CROW CREEK 8330 7.2 6.9 104 11.1 9.4 118 DEADMAN HILL 10220 23.7 14.3 166 22.4 15.4 145 ----- ----- Basin Index (%) 146 135 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 12.6 11.2 112 15.8 13.9 114 DIVIDE PEAK 8880 18.1 18.2 99 20.9 19.6 107 ELK RIVER 8700 21.2 17.5 121 20.7 18.3 113 LITTLE SNAKE RIVER 8915 29.7 21.5 138 32.7 27.0 121 OLD BATTLE 10000 31.6 27.3 116 34.5 32.1 107 SAGE CREEK BASIN 7850 12.3 11.8 104 11.5 13.2 87 SANDSTONE RS 8150 11.4 12.8 89 16.7 17.0 98 WHISKEY PARK 8950 38.5 24.6 157 36.4 25.5 143 ----- ----- Basin Index (%) 121 114 UPPER GREEN RIVER BIG SANDY OPENING 9080 15.2 11.9 128 14.2 12.0 118 BLIND BULL SUM 8650 34.6 21.0 165 22.4 17.9 125 EAST RIM DIVIDE 7930 16.9 9.7 174 14.8 10.8 137 ELKHART PARK G.S. 9400 17.0 11.1 153 15.9 12.1 131 GROS VENTRE SUMMIT 8750 14.4 11.9 121 14.4 11.7 123 GUNSIGHT PASS 9820 19.6 12.4 158 17.9 12.4 144 KENDALL R.S. 7740 22.3 11.4 196 22.2 13.2 168 LOOMIS PARK 8240 23.8 13.8 172 23.5 15.9 148 NEW FORK LAKE 8340 15.5 9.6 161 13.2 9.9 133 POCKET CREEK 9360 12.4 -M * 12.2 -M * SNIDER BASIN 8060 19.6 11.3 173 18.8 13.0 145 SPRING CREEK DIVIDE 9000 33.9 21.8 156 31.2 21.9 142 TRIPLE PEAK 8500 33.9 20.1 169 35.4 23.2 153 ----- ----- Basin Index (%) 161 140 LOWER GREEN RIVER BLACKS FORK JCT 8870 8.1 -M * 12.2 -M * BUCK PASTURE 9700 13.6 -M * 15.2 -M * EF BLACKS FORK GS 9360 9.4 -M * 9.3 -M * HAMS FORK 7840 16.1 10.5 153 13.1 10.4 126 HEWINTA 9519 10.3 9.9 104 12.7 12.6 101 HICKERSON PARK 9145 7.9 6.8 116 8.3 9.1 91 HOLE-IN-ROCK 9150 6.2 6.9 90 8.4 8.6 98 INDIAN CREEK 9425 31.1 22.0 141 25.2 20.6 122 KELLEY R.S. 8180 18.0 14.0 129 19.9 16.6 120 SPIRIT LK 10235 9.0 -M * 12.2 -M * STEEL CREEK PARK 10200 17.0 13.7 124 14.8 14.6 101 ----- ----- Basin Index (%) 127 111 UPPER BEAR RIVER BEAR RIVER RS 8777 10.0 -M * 11.3 -M * BUG LAKE 7950 21.7 17.2 126 18.8 17.8 106 BURTS MILLER RANCH 8000 7.5 -M * 6.6 -M * CHALK CREEK #1 8993 21.0 22.0 95 20.8 22.8 91 HAYDEN FORK 9212 15.6 14.5 108 18.7 19.0 98 KELLEY R.S. 8180 18.0 14.0 129 19.9 16.6 120 LILY LAKE 9156 13.1 11.6 113 14.0 15.4 91 MONTE CRISTO 8960 25.5 25.0 102 23.3 23.6 99 SALT RIVER SUMMIT 7760 17.3 12.2 142 18.4 15.3 120 ----- ----- Basin Index (%) 113 103 ----------------------------------------------------------------------------- -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.