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 FRIDAY: NOVEMBER 3 , 2006 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 .3 .9 33* 2.5 2.4 104 COTTONWOOD CREEK 7600 1.4 1.2 117* 3.1 3.4 91 GRANITE CREEK 6770 .1 .7 14* 2.6 2.0 130 GRASSY LAKE 7265 2.2 1.8 122* 5.9 3.9 151 GROS VENTRE SUMMIT 8750 1.9 1.5 127 2.9 2.1 138 LEWIS LAKE DIVIDE 7850 1.5 1.7 88* 4.3 3.7 116 PHILLIPS BENCH 8200 1.3 1.8 72* 3.7 2.8 132 SALT RIVER SUMMIT 7600 .5 .5 100* 2.2 2.2 100 SNAKE RIVER STATION 6920 .2 .8 25* 4.6 2.6 177 SPRING CREEK DIVIDE 9000 1.3 1.9 68* 2.3 3.0 77 THUMB DIVIDE 7980 .2 1.1 18* 2.5 2.3 109 TOGWOTEE PASS 9580 3.1 3.0 103 3.8 3.2 119 TWO OCEAN PLATEAU 9240 2.7 3.5 77 3.4 3.5 97 WILLOW CREEK 8450 1.1 2.2 50* 3.7 4.2 88 ----- ----- Basin wide percent of average 79* 115 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 2.4 3.0 80 2.8 2.4 117 BLACK BEAR 8170 2.8 3.3 85* 5.4 4.1 132 CANYON 8090 .8 .8 100* 2.9 2.1 138 FISHER CREEK 9100 3.2 3.2 100* 5.3 3.8 139 MADISON PLATEAU 7750 1.0 1.9 53* 3.3 2.9 114 NORTHEAST ENTRANCE 7350 .1 .4 25* 3.4 1.8 189 PARKER PEAK 9400 2.5 2.9 86 3.3 2.6 127 SYLVAN LAKE 8420 1.4 2.3 61* 4.4 3.0 147 THUMB DIVIDE 7980 .2 1.1 18* 2.5 2.3 109 TWO OCEAN PLATEAU 9240 2.7 3.5 77 3.4 3.5 97 WHISKEY CREEK 6800 .1 1.0 10* 3.4 2.5 136 WHITE MILL 8700 2.5 2.4 104* 4.0 3.1 129 WOLVERINE 7650 .3 .6 50* 1.9 2.1 90 ----- ----- Basin wide percent of average 76* 127 WIND RIVER BURROUGHS CREEK 8750 2.0 1.2 167* 2.9 1.9 153 COLD SPRINGS 9630 .8 1.2 67 1.6 2.1 76 DEER PARK 9700 1.7 2.8 61 2.9 2.9 100 HOBBS PARK 10100 1.8 2.5 72 2.2 2.4 92 LITTLE WARM 9370 1.5 1.3 115 1.8 2.0 90 SOUTH PASS 9040 1.5 1.8 83 3.0 2.5 120 ST. LAWRENCE ALT 8620 1.4 1.0 140 1.9 1.9 100 TOGWOTEE PASS 9580 3.1 3.0 103 3.8 3.2 119 TOWNSEND CREEK 8700 1.8 1.2 150 3.6 2.4 150 ----- ----- Basin wide percent of average 98 111 BIGHORN BASIN BALD MTN. 9380 5.0 3.0 167 4.0 2.7 148 BEAR TRAP MEADOW 8200 .8 .7 114 1.6 1.9 84 BLACKWATER 9780 2.6 3.5 74 2.9 3.1 94 BONE SPRINGS DIV 9350 4.3 2.9 148 3.3 2.8 118 EVENING STAR 9200 2.6 3.1 84* 4.5 3.3 136 GRAVE SPRINGS 8550 1.0 1.3 77 1.5 2.3 65 KIRWIN 9550 1.9 2.1 90 2.7 2.0 135 MARQUETTE 8760 1.3 2.1 62 2.2 2.5 88 MIDDLE POWDER 7760 1.4 1.5 93 1.8 2.8 64 OWL CREEK 8975 1.8 1.0 180 2.2 1.3 169 POWDER RIVER PASS 9480 1.6 1.4 114 2.3 2.1 110 SHELL CREEK 9580 4.4 2.9 152 2.7 2.3 117 SYLVAN LAKE 8420 1.4 2.3 61* 4.4 3.0 147 SYLVAN ROAD 7120 .2 .7 29* 3.1 2.5 124 TIMBER CREEK 7950 1.0 1.2 83 2.4 1.8 133 YOUNTS PEAK 8350 1.3 1.6 81* 2.9 2.1 138 ----- ----- Basin wide percent of average 104 116 SHOSHONE RIVER BLACKWATER 9780 2.6 3.5 74 2.9 3.1 94 EVENING STAR 9200 2.6 3.1 84* 4.5 3.3 136 KIRWIN 9550 1.9 2.1 90 2.7 2.0 135 MARQUETTE 8760 1.3 2.1 62 2.2 2.5 88 SYLVAN LAKE 8420 1.4 2.3 61* 4.4 3.0 147 SYLVAN ROAD 7120 .2 .7 29* 3.1 2.5 124 YOUNTS PEAK 8350 1.3 1.6 81* 2.9 2.1 138 ----- ----- Basin wide percent of average 73* 123 POWDER-TONGUE BEAR TRAP MEADOW 8200 .8 .7 114 1.6 1.9 84 BIG GOOSE 7990 1.2 1.0 120* 1.7 2.3 74 BONE SPRINGS DIV 9350 4.3 2.9 148 3.3 2.8 118 BURGESS JUNCTION 7880 1.6 1.8 89 3.0 2.4 125 CLOUD PEAK RESERVOIR 9860 1.8 1.8 100 2.0 2.8 71 DOME LAKE 8880 1.5 2.1 71 2.3 2.8 82 GRAVE SPRINGS 8550 1.0 1.3 77 1.5 2.3 65 HANSEN SAWMILL 8360 .2 1.0 20 1.0 2.0 50 MIDDLE POWDER 7760 1.4 1.5 93 1.8 2.8 64 POWDER RIVER PASS 9480 1.6 1.4 114 2.3 2.1 110 SUCKER CREEK 8880 2.4 1.5 160 2.9 2.6 112 TIE CREEK 6870 .2 .9 22 3.1 2.7 115 ----- ----- Basin wide percent of average 101 90 BELLE FOURCHE BLIND PARK 6890 .8 .7 114* 2.0 2.8 71 COLE CANYON 5910 .2 1.0 20 1.8 -M * NORTH RAPID CREEK 6130 .9 .6 150* 1.5 2.7 56 ----- ----- Basin wide percent of average 83* 64 UPPER N. PLATTE RIVER COLUMBINE 9160 1.8 1.1 164* 4.3 2.8 154 DIVIDE PEAK 8860 3.6 2.0 180* 5.6 3.0 187 ELK RIVER 8700 1.1 .8 138* 4.0 2.5 160 JOE WRIGHT 10120 3.3 3.0 110 4.6 3.8 121 NORTH FRENCH CREEK 10130 3.7 3.6 103 4.8 3.8 126 OLD BATTLE 9920 4.5 3.6 125* 6.5 4.1 159 SAGE CREEK BASIN 7850 2.8 1.1 255* 4.0 1.7 235 SOUTH BRUSH CREEK 8440 1.6 .9 178* 2.9 2.9 100 TOWER 10500 5.3 4.3 123* 6.9 4.5 153 WEBBER SPRINGS 9250 2.9 2.3 126* 5.8 3.5 166 WILLOW CREEK PASS 9540 2.7 1.4 193* 2.6 2.3 113 ----- ----- Basin wide percent of average 138* 149 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10220 2.9 2.5 116* 3.8 2.8 136 CASPER MTN. 7850 1.4 2.0 70 2.1 2.8 75 DEADMAN HILL 10220 2.8 2.5 112 3.4 2.8 121 DEER PARK 9700 1.7 2.8 61 2.9 2.9 100 LAPRELE CREEK 8375 1.2 1.2 100 1.8 2.2 82 RENO HILL 8500 2.0 2.0 100 2.8 2.8 100 ROACH 9700 3.7 1.5 247* 4.8 2.6 185 SAND LAKE 10050 3.9 3.8 103 4.6 3.5 131 SOUTH PASS 9040 1.5 1.8 83 3.0 2.5 120 WINDY PEAK 7900 .9 .7 129* 1.8 1.9 95 ----- ----- Basin wide percent of average 106 116 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .0 .7 0* 3.3 2.2 150 DIVIDE PEAK 8860 3.6 2.0 180* 5.6 3.0 187 OLD BATTLE 9920 4.5 3.6 125* 6.5 4.1 159 SANDSTONE RS 8150 1.3 .7 186* 3.4 2.6 131 WHISKEY PARK 8950 2.4 2.1 114* 4.9 3.3 148 ----- ----- Basin wide percent of average 130* 156 UPPER GREEN RIVER BIG SANDY OPENING 9080 1.6 1.5 107* 2.2 2.1 105 BLIND BULL SUM 8900 1.4 2.1 67* 2.2 2.6 85 EAST RIM DIVIDE 7930 .1 .8 12* 1.9 1.5 127 ELKHART PARK G.S. 9400 .7 1.1 64* 2.3 2.2 105 GROS VENTRE SUMMIT 8750 1.9 1.5 127 2.9 2.1 138 KENDALL R.S. 7740 .3 .8 37* 2.6 1.8 144 LOOMIS PARK 8240 .5 1.2 42* 2.3 2.1 110 NEW FORK LAKE 8340 .9 .7 129* 2.7 1.7 159 SNIDER BASIN 8060 1.0 1.0 100* 1.9 1.9 100 SPRING CREEK DIVIDE 9000 1.3 1.9 68* 2.3 3.0 77 TRIPLE PEAK 8500 1.6 1.6 100* 2.4 2.6 92 ----- ----- Basin wide percent of average 80* 109 LOWER GREEN RIVER HAMS FORK 7840 .5 .6 83* 2.0 1.6 125 HEWINTA 9500 .4 1.0 40* 3.6 2.7 133 HICKERSON PARK 9100 1.1 .6 183* 3.2 1.9 168 HOLE-IN-ROCK 9150 .7 .6 117* 2.6 1.8 144 INDIAN CREEK 9425 1.4 1.9 74* 2.5 3.0 83 KELLEY R.S. 8180 1.1 1.2 92* 2.4 2.4 100 STEEL CREEK PARK 10100 1.9 1.8 106* 3.4 2.6 131 ----- ----- Basin wide percent of average 92* 123 UPPER BEAR RIVER BUG LAKE 7950 1.2 1.5 80* 2.4 2.6 92 HAYDEN FORK 9100 .1 1.0 10* 4.9 2.7 181 KELLEY R.S. 8180 1.1 1.2 92* 2.4 2.4 100 LILY LAKE 9050 .8 1.1 73* 3.4 2.7 126 MONTE CRISTO 8960 1.8 1.9 95* 3.9 3.2 122 SALT RIVER SUMMIT 7600 .5 .5 100* 2.2 2.2 100 TRIAL LAKE 9960 .9 2.2 41* 4.1 3.2 128 ----- ----- Basin wide percent of average 68* 123 ----------------------------------------------------------------------------- -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.