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 SUNDAY: NOVEMBER 8 , 2009 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 .8 1.1 73 3.0 2.7 111 COTTONWOOD CREEK 7670 -M 1.5 * -M 4.0 * GRAND TARGHEE 9260 6.4 -M * 5.9 -M * GRANITE CREEK 6770 .0 .9 0 2.6 2.4 108 GRASSY LAKE 7265 1.9 2.4 79 4.3 4.4 98 GROS VENTRE SUMMIT 8750 2.2 1.8 122 2.3 2.3 100 GUNSIGHT PASS 9820 1.8 -M * 3.1 -M * LEWIS LAKE DIVIDE 7850 -M 2.2 * -M 4.3 * PHILLIPS BENCH 8200 1.3 2.2 59 3.4 3.2 106 SALT RIVER SUMMIT 7760 .0 .7 0 2.5 2.5 100 SNAKE RIVER STATION 6920 .6 1.1 55 3.7 3.0 123 SPRING CREEK DIVIDE 9000 3.3 2.3 143 4.1 3.4 121 THUMB DIVIDE 7980 1.3 1.3 100 4.4 2.6 169 TOGWOTEE PASS 9580 4.3 3.4 126 4.4 3.6 122 TWO OCEAN PLATEAU 9240 5.5 4.1 134 4.3 4.0 108 WILLOW CREEK 8380 2.0 2.8 71 5.6 4.7 119 ----- ----- Basin wide percent of average 96 115 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9360 4.2 3.6 117 3.5 2.8 125 BLACK BEAR 8170 4.8 3.8 126 6.1 4.8 127 CANYON 7870 1.6 1.1 145 3.0 2.4 125 FISHER CREEK 9100 5.6 3.8 147 6.1 4.5 136 MADISON PLATEAU 7750 2.3 2.3 100 5.2 3.3 158 NORTHEAST ENTRANCE 7350 .2 .6 33 3.0 2.0 150 PARKER PEAK 9400 5.0 3.4 147 3.9 2.9 134 SYLVAN LAKE 8420 1.6 2.8 57 3.4 3.4 100 THUMB DIVIDE 7980 1.3 1.3 100 4.4 2.6 169 TWO OCEAN PLATEAU 9240 5.5 4.1 134 4.3 4.0 108 WHISKEY CREEK 6800 .3 1.2 25 3.2 2.9 110 WHITE MILL 8700 4.5 2.8 161 4.4 3.5 126 WOLVERINE 7650 .3 .9 33 2.2 2.3 96 ----- ----- Basin wide percent of average 117 127 WIND RIVER BURROUGHS CREEK 8750 3.0 1.5 200 2.8 2.2 127 COLD SPRINGS 9630 2.3 1.5 153 3.0 2.5 120 DEER PARK 9700 4.5 3.2 141 5.7 3.5 163 HOBBS PARK 10100 5.0 2.8 179 4.8 2.7 178 LITTLE WARM 9370 1.8 1.5 120 2.4 2.3 104 SOUTH PASS 9040 3.9 2.2 177 4.8 2.9 166 ST. LAWRENCE ALT 8620 1.9 1.3 146 3.7 2.2 168 TOGWOTEE PASS 9580 4.3 3.4 126 4.4 3.6 122 TOWNSEND CREEK 8700 3.2 1.5 213 4.9 2.7 181 ----- ----- Basin wide percent of average 158 148 BIGHORN BASIN BALD MTN. 9380 4.1 3.5 117 3.3 3.0 110 BEAR TRAP MEADOW 8200 1.2 .8 150 2.2 2.2 100 BLACKWATER 9780 5.4 3.9 138 4.6 3.5 131 BONE SPRINGS DIV 9350 3.3 3.3 100 3.1 3.1 100 EVENING STAR 9200 5.0 3.8 132 6.0 3.8 158 GRAVE SPRINGS 8550 2.4 1.6 150 3.6 2.4 150 KIRWIN 9550 3.1 2.5 124 2.7 2.4 113 MARQUETTE 8760 2.9 2.4 121 3.1 2.8 111 MIDDLE POWDER 7760 2.5 1.8 139 3.1 3.2 97 OWL CREEK 8975 2.4 1.1 218 2.0 1.5 133 POWDER RIVER PASS 9480 2.1 1.7 124 2.3 2.4 96 SHELL CREEK 9580 3.6 3.3 109 3.0 2.6 115 SYLVAN LAKE 8420 1.6 2.8 57 3.4 3.4 100 SYLVAN ROAD 7120 .6 1.0 60 3.0 2.8 107 TIMBER CREEK 7950 1.2 1.5 80 2.4 2.0 120 YOUNTS PEAK 8350 2.6 2.1 124 2.5 2.5 100 ----- ----- Basin wide percent of average 119 115 SHOSHONE RIVER BLACKWATER 9780 5.4 3.9 138 4.6 3.5 131 EVENING STAR 9200 5.0 3.8 132 6.0 3.8 158 KIRWIN 9550 3.1 2.5 124 2.7 2.4 113 MARQUETTE 8760 2.9 2.4 121 3.1 2.8 111 SYLVAN LAKE 8420 1.6 2.8 57 3.4 3.4 100 SYLVAN ROAD 7120 .6 1.0 60 3.0 2.8 107 YOUNTS PEAK 8350 2.6 2.1 124 2.5 2.5 100 ----- ----- Basin wide percent of average 115 119 POWDER-TONGUE BEAR TRAP MEADOW 8200 1.2 .8 150 2.2 2.2 100 BIG GOOSE 7990 1.6 1.1 145 3.1 2.4 129 BONE SPRINGS DIV 9350 3.3 3.3 100 3.1 3.1 100 BURGESS JUNCTION 7880 2.9 2.1 138 3.6 2.7 133 CLOUD PEAK RESERVOIR 9860 3.5 2.1 167 3.1 3.2 97 DOME LAKE 8880 2.3 2.5 92 3.2 3.1 103 GRAVE SPRINGS 8550 2.4 1.6 150 3.6 2.4 150 HANSEN SAWMILL 8360 1.2 1.2 100 2.1 2.2 95 MIDDLE POWDER 7760 2.5 1.8 139 3.1 3.2 97 POWDER RIVER PASS 9480 2.1 1.7 124 2.3 2.4 96 SUCKER CREEK 8880 3.5 1.8 194 3.9 2.9 134 TIE CREEK 6870 .4 1.1 36 3.9 2.8 139 ----- ----- Basin wide percent of average 127 114 BELLE FOURCHE BLIND PARK 6890 .9 1.2 75 4.1 3.1 132 COLE CANYON 5910 .0 1.2 0 4.1 2.1 195 NORTH RAPID CREEK 6130 .9 .7 129 4.0 2.9 138 ----- ----- Basin wide percent of average 58 151 UPPER N. PLATTE RIVER COLUMBINE 9160 .9 1.6 56 4.0 3.1 129 DIVIDE PEAK 8880 2.4 2.4 100 5.3 3.4 156 ELK RIVER 8700 .2 1.0 20 3.2 2.8 114 JOE WRIGHT 10120 3.1 3.5 89 4.8 4.3 112 NORTH FRENCH CREEK 10130 6.9 4.1 168 7.2 4.3 167 OLD BATTLE 10000 7.3 4.2 174 7.7 4.6 167 SAGE CREEK BASIN 7850 1.2 1.4 86 2.8 2.0 140 SOUTH BRUSH CREEK 8440 .8 1.1 73 4.2 3.2 131 TOWER 10500 7.3 5.3 138 7.5 5.3 142 WEBBER SPRINGS 9250 3.3 2.8 118 6.2 4.0 155 WILLOW CREEK PASS 9540 .5 1.7 29 3.1 2.5 124 ----- ----- Basin wide percent of average 116 142 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 4.7 2.9 162 5.6 3.2 175 CASPER MTN. 7900 3.1 2.4 129 3.9 3.2 122 DEADMAN HILL 10220 1.2 2.9 41 4.7 3.1 152 DEER PARK 9700 4.5 3.2 141 5.7 3.5 163 LAPRELE CREEK 8375 1.5 1.5 100 3.6 2.5 144 RENO HILL 8400 3.5 2.2 159 4.9 3.2 153 ROACH 9700 3.5 1.8 194 5.1 2.9 176 SAND LAKE 10050 7.5 4.5 167 7.9 3.9 203 SOUTH PASS 9040 3.9 2.2 177 4.8 2.9 166 WINDY PEAK 7900 1.4 .9 156 3.8 2.2 173 ----- ----- Basin wide percent of average 142 163 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .1 .8 12 2.1 2.4 88 DIVIDE PEAK 8880 2.4 2.4 100 5.3 3.4 156 OLD BATTLE 10000 7.3 4.2 174 7.7 4.6 167 SANDSTONE RS 8150 -M .8 * 2.4 3.0 80 WHISKEY PARK 8950 2.3 2.5 92 5.8 3.8 153 ----- ----- Basin wide percent of average 122 135 UPPER GREEN RIVER BIG SANDY OPENING 9080 3.0 1.7 176 3.3 2.3 143 BLIND BULL SUM 8650 2.7 2.6 104 2.4 2.9 83 EAST RIM DIVIDE 7930 .2 1.0 20 2.0 1.8 111 ELKHART PARK G.S. 9400 2.4 1.3 185 2.8 2.5 112 GROS VENTRE SUMMIT 8750 2.2 1.8 122 2.3 2.3 100 GUNSIGHT PASS 9820 1.8 -M * 3.1 -M * KENDALL R.S. 7740 .3 1.1 27 2.1 2.1 100 LOOMIS PARK 8240 .5 1.5 33 2.5 2.4 104 NEW FORK LAKE 8340 .4 .9 44 2.2 2.0 110 SNIDER BASIN 8060 1.1 1.2 92 2.7 2.2 123 SPRING CREEK DIVIDE 9000 3.3 2.3 143 4.1 3.4 121 TRIPLE PEAK 8500 2.9 2.0 145 4.6 3.0 153 ----- ----- Basin wide percent of average 109 115 LOWER GREEN RIVER HAMS FORK 7840 .2 .7 29 3.1 1.8 172 HEWINTA 9519 -M 1.1 * 2.3 2.9 79 HICKERSON PARK 9145 1.7 .7 243 3.1 2.1 148 HOLE-IN-ROCK 9150 .9 .7 129 3.7 2.0 185 INDIAN CREEK 9425 4.4 2.4 183 4.9 3.4 144 KELLEY R.S. 8180 1.2 1.5 80 3.6 2.8 129 STEEL CREEK PARK 10200 1.6 2.1 76 3.0 3.0 100 ----- ----- Basin wide percent of average 123 132 UPPER BEAR RIVER BUG LAKE 7950 .1 1.7 6 3.4 3.0 113 HAYDEN FORK 9212 .1 1.2 8 2.9 3.1 94 KELLEY R.S. 8180 1.2 1.5 80 3.6 2.8 129 LILY LAKE 9156 .9 1.3 69 2.3 3.1 74 MONTE CRISTO 8960 1.8 2.2 82 3.8 3.6 106 SALT RIVER SUMMIT 7760 .0 .7 0 2.5 2.5 100 TRIAL LAKE 9992 2.4 2.6 92 2.9 3.5 83 ----- ----- Basin wide percent of average 58 99 ----------------------------------------------------------------------------- -M = Missing data * = Data may not provide a valid measure of conditions. Units = inches for the Current and Average Snow Water Equivalent and Total Precipitation values If the Basin wide percent of average 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 Average represents the snow water equivalent found at selected SNOTEL sites in or near the basin compared to the average 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. Reference period for average conditions is 1961-90. Provisional data, subject to revision. ---------------------------------------------------------------------------- -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.