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: MARCH 15 , 2014 ------------------------------------------------------------------------------ BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Median Median Current Average Avg ------------------------------------------------------------------------------ WYOMING SNAKE RIVER BASE CAMP 7030 22.8 14.2 161 23.2 18.6 125 BLACK BEAR 8170 37.3 32.0 117 34.3 33.7 102 BLIND BULL SUM 8650 34.5 20.0 172 22.4 17.2 130 COTTONWOOD CREEK 7670 29.1 18.9 154 31.4 21.2 148 EAST RIM DIVIDE 7930 16.7 9.5 176 14.7 10.3 143 GRAND TARGHEE 9260 45.4 32.5 140 33.8 26.5 128 GRANITE CREEK 6770 22.8 14.9 153 23.0 17.7 130 GRASSY LAKE 7265 35.8 28.5 126 34.6 31.8 109 GROS VENTRE SUMMIT 8750 14.1 11.1 127 14.1 11.1 127 GUNSIGHT PASS 9820 19.1 11.7 163 17.7 11.9 149 LEWIS LAKE DIVIDE 7850 34.5 27.2 127 -M 31.3 * PHILLIPS BENCH 8200 32.1 21.8 147 -M 24.6 * SALT RIVER SUMMIT 7760 17.5 11.6 151 18.2 14.5 126 SNAKE RIVER STATION 6920 20.0 15.2 132 22.7 19.9 114 SPRING CREEK DIVIDE 9000 33.2 20.1 165 30.4 20.8 146 THUMB DIVIDE 7980 16.1 13.6 118 14.8 16.0 92 TOGWOTEE PASS 9580 29.5 20.0 148 -M 21.1 * TWO OCEAN PLATEAU 9240 36.1 23.5 154 -M 23.7 * WILLOW CREEK 8380 37.1 24.7 150 36.5 29.1 125 YOUNTS PEAK 8350 -M 12.8 * -M 13.7 * ----- ----- Basin Index (%) 144 124 MADISON-GALLATIN BLACK BEAR 8170 37.3 32.0 117 34.3 33.7 102 CANYON 7870 13.2 11.6 114 14.8 14.2 104 MADISON PLATEAU 7750 21.3 19.8 108 21.3 23.1 92 WEST YELLOWSTONE 6700 12.1 9.9 122 13.6 12.5 109 WHISKEY CREEK 6800 15.2 13.6 112 17.8 17.8 100 ----- ----- Basin Index (%) 114 100 YELLOWSTONE BEARTOOTH LAKE 9360 28.2 18.6 152 24.9 17.1 146 BURNT MTN 5880 8.6 4.4 195 15.9 10.5 151 CANYON 7870 13.2 11.6 114 14.8 14.2 104 COLE CREEK 7850 16.9 11.5 147 12.2 10.2 120 EVENING STAR 9200 35.0 21.6 162 -M 23.7 * FISHER CREEK 9100 39.5 27.7 143 34.5 27.7 125 NORTHEAST ENTRANCE 7350 13.9 8.7 160 13.9 10.7 130 PARKER PEAK 9400 27.4 17.1 160 21.7 15.3 142 SYLVAN LAKE 8420 21.6 17.5 123 24.5 19.4 126 THUMB DIVIDE 7980 16.1 13.6 118 14.8 16.0 92 TWO OCEAN PLATEAU 9240 36.1 23.5 154 -M 23.7 * WHITE MILL 8700 30.2 19.4 156 25.7 20.6 125 WOLVERINE 7650 15.0 8.8 170 15.1 10.6 142 ----- ----- Basin Index (%) 148 127 WIND RIVER BURROUGHS CREEK 8750 -M 11.9 * -M 13.7 * CASTLE CREEK 8400 10.2 -M * 11.9 -M * COLD SPRINGS 9630 9.7 6.1 159 12.1 8.2 148 DEER PARK 9700 -M 12.3 * 17.3 16.6 104 HOBBS PARK 10100 13.3 11.2 119 11.7 10.6 110 KIRWIN 9550 17.1 8.1 211 15.7 9.6 164 LITTLE WARM 9370 13.7 9.0 152 15.9 10.8 147 OWL CREEK 8975 6.5 4.5 144 6.3 4.7 134 SOUTH PASS 9040 15.0 12.9 116 14.1 14.8 95 ST. LAWRENCE ALT 8620 4.4 5.9 75 7.5 7.2 104 TOGWOTEE PASS 9580 29.5 20.0 148 -M 21.1 * TOWNSEND CREEK 8700 6.7 7.6 88 7.9 9.6 82 ----- ----- Basin Index (%) 136 118 BIGHORN BASIN BALD MTN. 9380 21.2 16.2 131 16.4 14.3 115 BEAR TRAP MEADOW 8200 9.2 4.8 192 9.2 6.8 135 BONE SPRINGS DIV 9350 17.9 13.6 132 14.2 12.8 111 GRAVE SPRINGS 8550 10.1 7.7 131 10.3 8.6 120 KIRWIN 9550 17.1 8.1 211 15.7 9.6 164 MARQUETTE 8760 11.2 -M * 10.7 -M * MIDDLE POWDER 7760 13.3 9.1 146 11.1 9.6 116 OWL CREEK 8975 6.5 4.5 144 6.3 4.7 134 POWDER RIVER PASS 9480 13.8 8.8 157 14.6 10.4 140 SHELL CREEK 9580 16.8 12.5 134 14.3 11.4 125 TIMBER CREEK 7950 5.8 4.2 138 7.3 5.8 126 ----- ----- Basin Index (%) 147 127 SHOSHONE RIVER BLACKWATER 9780 29.0 19.7 147 25.7 17.6 146 EVENING STAR 9200 35.0 21.6 162 -M 23.7 * MARQUETTE 8760 11.2 -M * 10.7 -M * SYLVAN ROAD 7120 14.5 10.2 142 19.0 14.8 128 YOUNTS PEAK 8350 -M 12.8 * -M 13.7 * ----- ----- Basin Index (%) 152 138* POWDER RIVER BEAR TRAP MEADOW 8200 9.2 4.8 192 9.2 6.8 135 CLOUD PEAK RESERVOIR 9860 16.9 12.2 139 14.7 10.6 139 GRAVE SPRINGS 8550 10.1 7.7 131 10.3 8.6 120 HANSEN SAWMILL 8360 8.4 5.3 158 10.5 6.8 154 MIDDLE POWDER 7760 13.3 9.1 146 11.1 9.6 116 POWDER RIVER PASS 9480 13.8 8.8 157 14.6 10.4 140 SOLDIER PARK 8720 10.7 -M * 9.5 -M * ----- ----- Basin Index (%) 150 133 TONGUE RIVER BIG GOOSE 7990 9.4 7.4 127 11.6 8.7 133 BONE SPRINGS DIV 9350 17.9 13.6 132 14.2 12.8 111 BURGESS JUNCTION 7880 12.1 9.4 129 13.0 10.0 130 DOME LAKE 8880 12.5 9.7 129 11.6 10.9 106 LITTLE GOOSE 8870 10.9 -M * 13.6 -M * SUCKER CREEK 8880 14.3 10.4 138 15.8 11.7 135 TIE CREEK 6870 7.0 4.7 149 12.1 9.3 130 ----- ----- Basin Index (%) 133 124 BELLE FOURCHE COLE CANYON 5910 6.6 5.4 122 12.5 7.7 162 ----- ----- Basin Index (%) 122 162 CHEYENNE RIVER BASIN BLIND PARK 6890 8.5 7.1 120 15.2 10.2 149 NORTH RAPID CREEK 6130 8.5 6.4 133 13.7 8.3 165 ----- ----- Basin Index (%) 126 156 UPPER N. PLATTE ARAPAHO RIDGE 10960 24.5 18.0 136 24.2 19.0 127 BLACKHALL MTN 9820 33.3 -M * 27.9 -M * COLUMBINE 9160 31.8 21.5 148 -M 22.2 * DIVIDE PEAK 8880 17.3 17.2 101 20.2 18.4 110 JOE WRIGHT 10120 18.6 18.7 99 28.2 22.0 128 LAPRELE CREEK 8375 7.6 8.8 86 9.1 10.4 88 MED BOW 10500 10.7 -M * 34.1 -M * NORTH FRENCH CREEK 10130 30.0 23.9 126 29.8 23.0 130 NEVER SUMMER 10280 22.0 17.3 127 16.8 -M * OLD BATTLE 10000 30.2 26.0 116 33.2 30.5 109 RAWAH 9020 13.0 9.2 141 15.3 11.6 132 SAGE CREEK BASIN 7850 11.4 11.8 97 11.1 12.8 87 SAND LAKE 10050 28.9 23.5 123 27.8 20.8 134 SOUTH BRUSH CREEK 8440 10.7 11.2 96 12.8 12.9 99 TOWER 10500 46.9 38.9 121 -M 34.6 * WEBBER SPRINGS 9250 23.4 20.5 114 25.2 23.1 109 WILLOW CREEK PASS 9540 13.2 10.5 126 13.4 11.3 119 ZIRKEL 9340 38.4 25.5 151 25.9 24.8 104 ----- ----- Basin Index (%) 122 115 SWEETWATER DEER PARK 9700 -M 12.3 * 17.3 16.6 104 LARSEN CREEK 9000 12.9 10.7 121 14.9 -M * SOUTH PASS 9040 15.0 12.9 116 14.1 14.8 95 ----- ----- Basin Index (%) 118 100 LOWER N. PLATTE CASPER MTN. 7900 15.2 11.8 129 13.7 12.3 111 LAPRELE CREEK 8375 7.6 8.8 86 9.1 10.4 88 RENO HILL 8400 14.7 11.5 128 16.7 12.4 135 WINDY PEAK 7900 7.4 6.7 110 10.0 8.7 115 ----- ----- Basin Index (%) 116 113 LARAMIE RIVER BROOKLYN LAKE 10240 28.0 17.3 162 26.5 17.8 149 CINNABAR PARK 9574 21.1 17.8 119 20.7 20.8 100 CROW CREEK 8330 6.4 7.1 90 10.2 8.6 119 DEADMAN HILL 10220 22.0 13.4 164 20.2 14.3 141 RAWAH 9020 13.0 9.2 141 15.3 11.6 132 ROACH 9700 19.0 13.5 141 21.9 16.3 134 ----- ----- Basin Index (%) 140 128 S. PLATTE BLACK MOUNTAIN 8920 10.9 -M * 10.7 -M * CROW CREEK 8330 6.4 7.1 90 10.2 8.6 119 DEADMAN HILL 10220 22.0 13.4 164 20.2 14.3 141 ----- ----- Basin Index (%) 139 133 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 11.2 10.9 103 15.4 13.2 117 DIVIDE PEAK 8880 17.3 17.2 101 20.2 18.4 110 ELK RIVER 8700 19.7 17.2 115 20.0 17.4 115 LITTLE SNAKE RIVER 8915 27.8 20.5 136 31.5 26.1 121 OLD BATTLE 10000 30.2 26.0 116 33.2 30.5 109 SAGE CREEK BASIN 7850 11.4 11.8 97 11.1 12.8 87 SANDSTONE RS 8150 10.9 11.6 94 16.2 16.3 99 WHISKEY PARK 8950 36.6 23.8 154 35.2 24.4 144 ----- ----- Basin Index (%) 119 115 UPPER GREEN RIVER BIG SANDY OPENING 9080 14.9 11.1 134 13.8 11.4 121 BLIND BULL SUM 8650 34.5 20.0 172 22.4 17.2 130 EAST RIM DIVIDE 7930 16.7 9.5 176 14.7 10.3 143 ELKHART PARK G.S. 9400 16.8 10.3 163 15.7 11.4 138 GROS VENTRE SUMMIT 8750 14.1 11.1 127 14.1 11.1 127 GUNSIGHT PASS 9820 19.1 11.7 163 17.7 11.9 149 KENDALL R.S. 7740 21.9 10.9 201 -M 12.6 * LOOMIS PARK 8240 23.6 13.0 182 23.4 15.1 155 NEW FORK LAKE 8340 15.4 9.2 167 13.1 9.5 138 POCKET CREEK 9360 12.3 -M * 12.1 -M * SNIDER BASIN 8060 18.8 10.8 174 18.4 12.4 148 SPRING CREEK DIVIDE 9000 33.2 20.1 165 30.4 20.8 146 TRIPLE PEAK 8500 33.3 19.0 175 34.5 22.0 157 ----- ----- Basin Index (%) 167 143 LOWER GREEN RIVER BLACKS FORK JCT 8870 7.8 -M * 11.9 -M * BUCK PASTURE 9700 13.1 -M * 14.5 -M * EF BLACKS FORK GS 9360 9.1 -M * 9.1 -M * HAMS FORK 7840 15.2 10.1 150 13.0 9.8 133 HEWINTA 9519 9.9 9.1 109 12.5 11.9 105 HICKERSON PARK 9145 7.0 6.6 106 8.0 8.5 94 HOLE-IN-ROCK 9150 5.8 6.3 92 8.0 7.9 101 INDIAN CREEK 9425 30.1 20.7 145 24.9 19.4 128 KELLEY R.S. 8180 18.0 12.9 140 19.7 15.6 126 SPIRIT LK 10235 8.6 -M * 11.6 -M * STEEL CREEK PARK 10200 16.6 13.0 128 14.2 13.8 103 ----- ----- Basin Index (%) 130 115 UPPER BEAR RIVER BEAR RIVER RS 8777 9.4 -M * 11.1 -M * BUG LAKE 7950 21.2 16.4 129 18.5 16.8 110 BURTS MILLER RANCH 8000 6.9 -M * 6.2 -M * CHALK CREEK #1 8993 20.5 20.5 100 20.4 21.4 95 HAYDEN FORK 9212 14.6 14.0 104 18.3 17.9 102 KELLEY R.S. 8180 18.0 12.9 140 19.7 15.6 126 LILY LAKE 9156 12.6 11.3 112 13.8 14.5 95 MONTE CRISTO 8960 24.7 23.5 105 22.7 22.4 101 SALT RIVER SUMMIT 7760 17.5 11.6 151 18.2 14.5 126 ----- ----- Basin Index (%) 117 107 ----------------------------------------------------------------------------- -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.