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: OCTOBER 19 , 2008 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 .0 .2 0 1.5 1.1 136 COTTONWOOD CREEK 7670 .0 .3 0 1.3 1.6 81 GRAND TARGHEE 9260 1.1 -M * 3.2 -M * GRANITE CREEK 6770 .2 .1 200 1.6 .9 178 GRASSY LAKE 7265 .1 .5 20 2.0 1.8 111 GROS VENTRE SUMMIT 8750 1.4 .7 200 1.8 1.1 164 GUNSIGHT PASS 9820 .4 -M * 1.1 -M * LEWIS LAKE DIVIDE 7850 .2 .3 67 2.0 1.6 125 PHILLIPS BENCH 8200 .9 .5 180 1.6 1.2 133 SALT RIVER SUMMIT 7760 .0 .0 100 1.1 1.1 100 SNAKE RIVER STATION 6920 .0 .1 0 1.3 1.3 100 SPRING CREEK DIVIDE 9000 .6 .6 100 1.2 1.3 92 THUMB DIVIDE 7980 .0 .3 0 2.2 1.2 183 TOGWOTEE PASS 9580 1.5 1.4 107 2.0 1.5 133 TWO OCEAN PLATEAU 9240 1.6 1.6 100 1.6 1.7 94 WILLOW CREEK 8380 .1 .7 14 2.0 2.1 95 ----- ----- Basin wide percent of average 90 119 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9360 1.3 1.6 81 1.4 1.1 127 BLACK BEAR 8170 1.0 1.0 100 3.3 1.8 183 CANYON 7870 .4 .3 133 .7 .9 78 FISHER CREEK 9100 1.0 1.2 83 2.0 1.8 111 MADISON PLATEAU 7750 .7 .6 117 1.8 1.4 129 NORTHEAST ENTRANCE 7350 .1 .1 100 .9 .9 100 PARKER PEAK 9400 1.5 1.7 88 1.5 1.4 107 SYLVAN LAKE 8420 .1 1.0 10 1.6 1.5 107 THUMB DIVIDE 7980 .0 .3 0 2.2 1.2 183 TWO OCEAN PLATEAU 9240 1.6 1.6 100 1.6 1.7 94 WHISKEY CREEK 6800 .3 .2 150 1.3 1.2 108 WHITE MILL 8700 1.1 .9 122 1.4 1.5 93 WOLVERINE 7650 .1 .2 50 1.1 1.1 100 ----- ----- Basin wide percent of average 86 119 WIND RIVER BURROUGHS CREEK 8750 1.6 .4 400 2.0 .9 222 COLD SPRINGS 9630 1.5 .5 300 2.1 1.0 210 DEER PARK 9700 1.3 1.0 130 2.5 1.3 192 HOBBS PARK 10100 2.1 1.3 162 2.5 1.2 208 LITTLE WARM 9370 1.2 .6 200 1.7 1.0 170 SOUTH PASS 9040 1.5 .6 250 2.8 1.1 255 ST. LAWRENCE ALT 8620 1.7 .4 425 2.2 1.0 220 TOGWOTEE PASS 9580 1.5 1.4 107 2.0 1.5 133 TOWNSEND CREEK 8700 1.9 .6 317 2.6 1.3 200 ----- ----- Basin wide percent of average 210 198 BIGHORN BASIN BALD MTN. 9380 1.8 1.8 100 2.5 1.5 167 BEAR TRAP MEADOW 8200 .8 .4 200 1.6 1.0 160 BLACKWATER 9780 1.5 2.0 75 1.7 1.5 113 BONE SPRINGS DIV 9350 1.5 1.6 94 1.8 1.5 120 EVENING STAR 9200 1.4 1.5 93 2.1 1.5 140 GRAVE SPRINGS 8550 1.0 .7 143 1.7 1.4 121 KIRWIN 9550 1.4 1.1 127 1.5 1.0 150 MARQUETTE 8760 1.4 1.3 108 1.9 1.4 136 MIDDLE POWDER 7760 .8 .9 89 1.7 1.6 106 OWL CREEK 8975 1.8 .6 300 1.8 .7 257 POWDER RIVER PASS 9480 .9 .7 129 1.7 1.2 142 SHELL CREEK 9580 2.0 1.8 111 2.3 1.2 192 SYLVAN LAKE 8420 .1 1.0 10 1.6 1.5 107 SYLVAN ROAD 7120 .2 .2 100 1.1 1.0 110 TIMBER CREEK 7950 1.3 .7 186 2.0 .9 222 YOUNTS PEAK 8350 1.0 .7 143 1.3 1.1 118 ----- ----- Basin wide percent of average 111 142 SHOSHONE RIVER BLACKWATER 9780 1.5 2.0 75 1.7 1.5 113 EVENING STAR 9200 1.4 1.5 93 2.1 1.5 140 KIRWIN 9550 1.4 1.1 127 1.5 1.0 150 MARQUETTE 8760 1.4 1.3 108 1.9 1.4 136 SYLVAN LAKE 8420 .1 1.0 10 1.6 1.5 107 SYLVAN ROAD 7120 .2 .2 100 1.1 1.0 110 YOUNTS PEAK 8350 1.0 .7 143 1.3 1.1 118 ----- ----- Basin wide percent of average 90 124 POWDER-TONGUE BEAR TRAP MEADOW 8200 .8 .4 200 1.6 1.0 160 BIG GOOSE 7990 .5 .5 100 1.6 1.4 114 BONE SPRINGS DIV 9350 1.5 1.6 94 1.8 1.5 120 BURGESS JUNCTION 7880 .9 .9 100 1.8 1.4 129 CLOUD PEAK RESERVOIR 9860 1.2 .8 150 1.7 1.6 106 DOME LAKE 8880 .9 1.1 82 1.5 1.5 100 GRAVE SPRINGS 8550 1.0 .7 143 1.7 1.4 121 HANSEN SAWMILL 8360 .7 .4 175 1.3 1.1 118 MIDDLE POWDER 7760 .8 .9 89 1.7 1.6 106 POWDER RIVER PASS 9480 .9 .7 129 1.7 1.2 142 SUCKER CREEK 8880 1.0 .8 125 1.9 1.5 127 TIE CREEK 6870 -M .4 * 2.9 1.6 181 ----- ----- Basin wide percent of average 116 126 BELLE FOURCHE BLIND PARK 6890 .1 .2 50 1.1 1.5 73 COLE CANYON 5910 .2 .4 50 2.6 1.1 236 NORTH RAPID CREEK 6130 .0 .2 0 1.6 1.5 107 ----- ----- Basin wide percent of average 38 129 UPPER N. PLATTE RIVER COLUMBINE 9160 .0 .1 0 .3 1.2 25 DIVIDE PEAK 8880 .2 .9 22 2.0 1.6 125 ELK RIVER 8700 .1 .2 50 1.0 1.3 77 JOE WRIGHT 10120 .0 1.2 0 .8 2.0 40 NORTH FRENCH CREEK 10130 .7 1.8 39 1.2 1.8 67 OLD BATTLE 10000 .2 1.5 13 1.4 1.9 74 SAGE CREEK BASIN 7850 .0 .5 0 .8 .9 89 SOUTH BRUSH CREEK 8440 .0 .3 0 .8 1.5 53 TOWER 10500 .0 1.4 0 1.7 2.0 85 WEBBER SPRINGS 9250 .0 .8 0 .9 1.7 53 WILLOW CREEK PASS 9540 .0 .5 0 .6 1.1 55 ----- ----- Basin wide percent of average 13 68 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 .1 1.1 9 .5 1.3 38 CASPER MTN. 7900 .2 .9 22 1.6 1.4 114 DEADMAN HILL 10220 1.5 1.2 125 .5 1.4 36 DEER PARK 9700 1.3 1.0 130 2.5 1.3 192 LAPRELE CREEK 8375 .0 .4 0 .5 1.0 50 RENO HILL 8400 .9 1.0 90 1.3 1.4 93 ROACH 9700 .3 .4 75 .7 1.3 54 SAND LAKE 10050 1.0 1.7 59 .9 1.7 53 SOUTH PASS 9040 1.5 .6 250 2.8 1.1 255 WINDY PEAK 7900 .6 .2 300 .9 1.0 90 ----- ----- Basin wide percent of average 87 95 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .0 .1 0 .6 1.0 60 DIVIDE PEAK 8880 .2 .9 22 2.0 1.6 125 OLD BATTLE 10000 .2 1.5 13 1.4 1.9 74 SANDSTONE RS 8150 .0 .2 0 .6 1.3 46 WHISKEY PARK 8950 .1 .8 12 1.0 1.7 59 ----- ----- Basin wide percent of average 14 75 UPPER GREEN RIVER BIG SANDY OPENING 9080 .8 .6 133 1.3 1.0 130 BLIND BULL SUM 8650 1.4 .6 233 2.0 1.2 167 EAST RIM DIVIDE 7930 .2 .2 100 1.8 .8 225 ELKHART PARK G.S. 9400 .9 .3 300 1.8 1.1 164 GROS VENTRE SUMMIT 8750 1.4 .7 200 1.8 1.1 164 GUNSIGHT PASS 9820 .4 -M * 1.1 -M * KENDALL R.S. 7740 .2 .1 200 1.4 .9 156 LOOMIS PARK 8240 .9 .3 300 2.0 1.0 200 NEW FORK LAKE 8340 .3 .1 300 1.3 .9 144 SNIDER BASIN 8060 .6 .3 200 1.1 .8 138 SPRING CREEK DIVIDE 9000 .6 .6 100 1.2 1.3 92 TRIPLE PEAK 8500 1.1 .4 275 1.7 1.2 142 ----- ----- Basin wide percent of average 200 154 LOWER GREEN RIVER HAMS FORK 7840 .0 .1 0 1.3 .8 162 HEWINTA 9519 .0 .5 0 1.1 1.4 79 HICKERSON PARK 9145 .0 .1 0 1.2 1.0 120 HOLE-IN-ROCK 9150 .1 .1 100 1.7 1.0 170 INDIAN CREEK 9425 1.3 .6 217 1.7 1.3 131 KELLEY R.S. 8180 .4 .3 133 1.3 1.1 118 STEEL CREEK PARK 10200 .5 .9 56 1.6 1.3 123 ----- ----- Basin wide percent of average 88 125 UPPER BEAR RIVER BUG LAKE 7950 .1 .6 17 1.3 1.3 100 HAYDEN FORK 9212 .1 .5 20 1.3 1.4 93 KELLEY R.S. 8180 .4 .3 133 1.3 1.1 118 LILY LAKE 9156 .0 .6 0 1.7 1.4 121 MONTE CRISTO 8960 .1 .9 11 1.6 1.6 100 SALT RIVER SUMMIT 7760 .0 .0 100 1.1 1.1 100 TRIAL LAKE 9992 .2 1.0 20 1.3 1.5 87 ----- ----- Basin wide percent of average 23 102 ----------------------------------------------------------------------------- -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.