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 WEDNESDAY: NOVEMBER 1 , 2006 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 .1 .7 14* 2.5 2.1 119 COTTONWOOD CREEK 7600 1.3 1.0 130* 3.0 3.1 97 GRANITE CREEK 6770 .0 .6 0* 2.4 1.8 133 GRASSY LAKE 7265 1.6 1.5 107* 5.5 3.5 157 GROS VENTRE SUMMIT 8750 1.7 1.4 121* 2.9 1.9 153 LEWIS LAKE DIVIDE 7850 1.3 1.3 100* 3.8 3.3 115 PHILLIPS BENCH 8200 1.1 1.5 73* 3.6 2.5 144 SALT RIVER SUMMIT 7600 .2 .4 50* 1.9 2.0 95 SNAKE RIVER STATION 6920 .0 .6 0* 4.5 2.3 196 SPRING CREEK DIVIDE 9000 1.0 1.6 62* 2.2 2.7 81 THUMB DIVIDE 7980 .0 .9 0* 2.2 2.1 105 TOGWOTEE PASS 9580 2.7 2.7 100* 3.4 2.9 117 TWO OCEAN PLATEAU 9240 2.2 3.2 69 3.3 3.2 103 WILLOW CREEK 8450 1.0 1.9 53* 3.7 3.8 97 ----- ----- Basin wide percent of average 74* 121 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 1.8 2.7 67 2.4 2.2 109 BLACK BEAR 8170 2.3 2.9 79* 5.5 3.6 153 CANYON 8090 .9 .7 129* 2.9 1.9 153 FISHER CREEK 9100 -M 2.8 * -M 3.4 * MADISON PLATEAU 7750 .8 1.7 47* 4.3 2.6 165 NORTHEAST ENTRANCE 7350 .0 .3 0* 3.4 1.6 212 PARKER PEAK 9400 1.9 2.6 73 3.1 2.4 129 SYLVAN LAKE 8420 1.3 2.0 65* 4.3 2.7 159 THUMB DIVIDE 7980 .0 .9 0* 2.2 2.1 105 TWO OCEAN PLATEAU 9240 2.2 3.2 69 3.3 3.2 103 WHISKEY CREEK 6800 .1 .8 12* -M 2.3 * WHITE MILL 8700 2.4 2.1 114* 3.6 2.8 129 WOLVERINE 7650 .2 .5 40* 1.7 1.9 89 ----- ----- Basin wide percent of average 68* 136 WIND RIVER BURROUGHS CREEK 8750 1.8 1.0 180* 2.6 1.7 153 COLD SPRINGS 9630 .6 1.1 55 1.6 2.0 80 DEER PARK 9700 1.5 2.7 56 2.8 2.6 108 HOBBS PARK 10100 1.7 2.3 74 2.0 2.2 91 LITTLE WARM 9370 1.4 1.1 127* 1.5 1.8 83 SOUTH PASS 9040 1.2 1.6 75* 3.1 2.2 141 ST. LAWRENCE ALT 8620 1.1 .9 122 1.9 1.8 106 TOGWOTEE PASS 9580 2.7 2.7 100* 3.4 2.9 117 TOWNSEND CREEK 8700 1.5 1.1 136 3.1 2.2 141 ----- ----- Basin wide percent of average 93 113 BIGHORN BASIN BALD MTN. 9380 5.1 2.8 182 3.5 2.5 140 BEAR TRAP MEADOW 8200 .7 .6 117 1.3 1.8 72 BLACKWATER 9780 2.3 3.2 72 2.7 2.8 96 BONE SPRINGS DIV 9350 4.3 2.7 159 3.0 2.6 115 EVENING STAR 9200 2.4 2.8 86* 3.9 2.9 134 GRAVE SPRINGS 8550 .9 1.2 75 1.6 2.2 73 KIRWIN 9550 1.7 1.9 89 2.1 1.9 111 MARQUETTE 8760 1.0 2.0 50 1.9 2.4 79 MIDDLE POWDER 7760 1.2 1.3 92* 1.8 2.7 67 OWL CREEK 8975 1.7 .9 189 2.2 1.2 183 POWDER RIVER PASS 9480 1.6 1.3 123 2.1 2.0 105 SHELL CREEK 9580 4.3 2.7 159 2.7 2.1 129 SYLVAN LAKE 8420 1.3 2.0 65* 4.3 2.7 159 SYLVAN ROAD 7120 .8 .5 160* 3.0 2.2 136 TIMBER CREEK 7950 .7 1.1 64 2.4 1.7 141 YOUNTS PEAK 8350 1.0 1.4 71* 2.2 1.9 116 ----- ----- Basin wide percent of average 109 114 SHOSHONE RIVER BLACKWATER 9780 2.3 3.2 72 2.7 2.8 96 EVENING STAR 9200 2.4 2.8 86* 3.9 2.9 134 KIRWIN 9550 1.7 1.9 89 2.1 1.9 111 MARQUETTE 8760 1.0 2.0 50 1.9 2.4 79 SYLVAN LAKE 8420 1.3 2.0 65* 4.3 2.7 159 SYLVAN ROAD 7120 .8 .5 160* 3.0 2.2 136 YOUNTS PEAK 8350 1.0 1.4 71* 2.2 1.9 116 ----- ----- Basin wide percent of average 76* 120 POWDER-TONGUE BEAR TRAP MEADOW 8200 .7 .6 117 1.3 1.8 72 BIG GOOSE 7990 -M .9 * -M 2.2 * BONE SPRINGS DIV 9350 4.3 2.7 159 3.0 2.6 115 BURGESS JUNCTION 7880 1.4 1.6 87 2.7 2.3 117 CLOUD PEAK RESERVOIR 9860 1.6 1.6 100* 1.7 2.7 63 DOME LAKE 8880 1.2 1.9 63 2.3 2.6 88 GRAVE SPRINGS 8550 .9 1.2 75 1.6 2.2 73 HANSEN SAWMILL 8360 .0 .9 0 .8 1.9 42 MIDDLE POWDER 7760 1.2 1.3 92* 1.8 2.7 67 POWDER RIVER PASS 9480 1.6 1.3 123 2.1 2.0 105 SUCKER CREEK 8880 2.1 1.4 150 2.7 2.5 108 TIE CREEK 6870 .1 .9 11 2.9 2.6 112 ----- ----- Basin wide percent of average 98 88 BELLE FOURCHE BLIND PARK 6890 .7 .6 117* 1.8 2.7 67 COLE CANYON 5910 -M .9 * 1.7 -M * NORTH RAPID CREEK 6130 .5 .5 100* 1.2 2.6 46 ----- ----- Basin wide percent of average 109* 57 UPPER N. PLATTE RIVER COLUMBINE 9160 1.9 .9 211* 4.3 2.5 172 DIVIDE PEAK 8860 3.5 1.8 194* 5.4 2.8 193 ELK RIVER 8700 1.4 .7 200* 3.8 2.3 165 JOE WRIGHT 10120 3.3 2.7 122 4.6 3.5 131 NORTH FRENCH CREEK 10130 3.6 3.3 109* 4.7 3.5 134 OLD BATTLE 9920 4.5 3.2 141* 6.0 3.7 162 SAGE CREEK BASIN 7850 2.9 1.0 290* 3.9 1.6 244 SOUTH BRUSH CREEK 8440 1.6 .8 200* 2.8 2.7 104 TOWER 10500 5.2 3.7 141* 6.8 4.1 166 WEBBER SPRINGS 9250 2.8 2.0 140* 5.7 3.2 178 WILLOW CREEK PASS 9540 2.5 1.2 208* 2.4 2.1 114 ----- ----- Basin wide percent of average 156* 158 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10220 2.7 2.3 117* 3.8 2.6 146 CASPER MTN. 7850 1.1 1.8 61 1.6 2.6 62 DEADMAN HILL 10220 2.2 2.3 96 3.4 2.6 131 DEER PARK 9700 1.5 2.7 56 2.8 2.6 108 LAPRELE CREEK 8375 1.0 1.1 91 1.4 2.0 70 RENO HILL 8500 1.8 1.8 100 2.6 2.6 100 ROACH 9700 3.7 1.3 285* 4.8 2.4 200 SAND LAKE 10050 3.7 3.4 109* 4.4 3.2 138 SOUTH PASS 9040 1.2 1.6 75* 3.1 2.2 141 WINDY PEAK 7900 .7 .6 117* 1.4 1.8 78 ----- ----- Basin wide percent of average 104 119 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 -M .6 * 3.1 2.0 155 DIVIDE PEAK 8860 3.5 1.8 194* 5.4 2.8 193 OLD BATTLE 9920 4.5 3.2 141* 6.0 3.7 162 SANDSTONE RS 8150 .8 .6 133* 3.3 2.4 138 WHISKEY PARK 8950 2.4 1.8 133* 4.9 3.0 163 ----- ----- Basin wide percent of average 151* 163 UPPER GREEN RIVER BIG SANDY OPENING 9080 1.4 1.3 108* 2.0 1.9 105 BLIND BULL SUM 8900 .5 1.8 28* 2.1 2.3 91 EAST RIM DIVIDE 7930 .0 .7 0* 1.8 1.4 129 ELKHART PARK G.S. 9400 .4 .9 44* 2.1 2.0 105 GROS VENTRE SUMMIT 8750 1.7 1.4 121* 2.9 1.9 153 KENDALL R.S. 7740 .0 .7 0* 2.1 1.6 131 LOOMIS PARK 8240 .4 1.0 40* 2.1 1.9 111 NEW FORK LAKE 8340 .7 .6 117* 2.4 1.6 150 SNIDER BASIN 8060 .8 .8 100* 1.6 1.7 94 SPRING CREEK DIVIDE 9000 1.0 1.6 62* 2.2 2.7 81 TRIPLE PEAK 8500 1.4 1.3 108* 2.3 2.3 100 ----- ----- Basin wide percent of average 69* 111 LOWER GREEN RIVER HAMS FORK 7840 .3 .5 60* 2.0 1.5 133 HEWINTA 9500 -M .9 * 3.1 2.5 124 HICKERSON PARK 9100 .5 .5 100* 2.8 1.8 156 HOLE-IN-ROCK 9150 .6 .5 120* 2.6 1.7 153 INDIAN CREEK 9425 1.1 1.6 69* 2.3 2.7 85 KELLEY R.S. 8180 .7 1.0 70* 2.1 2.2 95 STEEL CREEK PARK 10100 1.3 1.7 76* 3.0 2.4 125 ----- ----- Basin wide percent of average 78* 121 UPPER BEAR RIVER BUG LAKE 7950 1.0 1.3 77* 2.3 2.4 96 HAYDEN FORK 9100 -M .9 * -M 2.5 * KELLEY R.S. 8180 .7 1.0 70* 2.1 2.2 95 LILY LAKE 9050 .6 1.0 60* 3.4 2.5 136 MONTE CRISTO 8960 1.2 1.7 71* 3.8 2.9 131 SALT RIVER SUMMIT 7600 .2 .4 50* 1.9 2.0 95 TRIAL LAKE 9960 .8 2.0 40* 4.1 2.9 141 ----- ----- Basin wide percent of average 61* 118 ----------------------------------------------------------------------------- -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 1971-2000. 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.