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: NOVEMBER 1 , 2008 ----------------------------------------------------------------------------- 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 1.7 2.1 81 COTTONWOOD CREEK 7670 .2 1.0 20 1.7 3.1 55 GRAND TARGHEE 9260 1.8 -M * 3.4 -M * GRANITE CREEK 6770 .2 .6 33 1.8 1.8 100 GRASSY LAKE 7265 .2 1.5 13 2.3 3.5 66 GROS VENTRE SUMMIT 8750 1.8 1.4 129 2.2 1.9 116 GUNSIGHT PASS 9820 .5 -M * 1.5 -M * LEWIS LAKE DIVIDE 7850 .2 1.3 15 2.4 3.3 73 PHILLIPS BENCH 8200 .7 1.5 47 1.9 2.5 76 SALT RIVER SUMMIT 7760 .0 .4 0 1.3 2.0 65 SNAKE RIVER STATION 6920 .2 .6 33 1.5 2.3 65 SPRING CREEK DIVIDE 9000 .4 1.6 25 1.3 2.7 48 THUMB DIVIDE 7980 .1 .9 11 2.4 2.1 114 TOGWOTEE PASS 9580 2.3 2.7 85 2.9 2.9 100 TWO OCEAN PLATEAU 9240 3.4 3.2 106 2.1 3.2 66 WILLOW CREEK 8380 .0 1.9 0 2.4 3.8 63 ----- ----- Basin wide percent of average 51 75 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9360 1.7 2.7 63 1.8 2.2 82 BLACK BEAR 8170 1.3 2.9 45 3.4 3.6 94 CANYON 7870 .2 .7 29 1.0 1.9 53 FISHER CREEK 9100 1.7 2.8 61 2.6 3.4 76 MADISON PLATEAU 7750 .2 1.7 12 1.9 2.6 73 NORTHEAST ENTRANCE 7350 .3 .3 100 1.2 1.6 75 PARKER PEAK 9400 2.6 2.6 100 1.7 2.4 71 SYLVAN LAKE 8420 .2 2.0 10 1.8 2.7 67 THUMB DIVIDE 7980 .1 .9 11 2.4 2.1 114 TWO OCEAN PLATEAU 9240 3.4 3.2 106 2.1 3.2 66 WHISKEY CREEK 6800 .1 .8 12 1.4 2.3 61 WHITE MILL 8700 1.5 2.1 71 1.9 2.8 68 WOLVERINE 7650 .2 .5 40 1.5 1.9 79 ----- ----- Basin wide percent of average 58 76 WIND RIVER BURROUGHS CREEK 8750 1.9 1.0 190 2.3 1.7 135 COLD SPRINGS 9630 1.6 1.1 145 2.5 2.0 125 DEER PARK 9700 1.5 2.7 56 2.7 2.6 104 HOBBS PARK 10100 2.2 2.3 96 2.7 2.2 123 LITTLE WARM 9370 1.4 1.1 127 2.1 1.8 117 SOUTH PASS 9040 1.7 1.6 106 3.2 2.2 145 ST. LAWRENCE ALT 8620 1.4 .9 156 2.4 1.8 133 TOGWOTEE PASS 9580 2.3 2.7 85 2.9 2.9 100 TOWNSEND CREEK 8700 2.0 1.1 182 3.0 2.2 136 ----- ----- Basin wide percent of average 110 123 BIGHORN BASIN BALD MTN. 9380 2.4 2.8 86 3.0 2.5 120 BEAR TRAP MEADOW 8200 .6 .6 100 1.8 1.8 100 BLACKWATER 9780 2.0 3.2 62 2.1 2.8 75 BONE SPRINGS DIV 9350 2.2 2.7 81 2.6 2.6 100 EVENING STAR 9200 1.7 2.8 61 2.5 2.9 86 GRAVE SPRINGS 8550 .9 1.2 75 2.0 2.2 91 KIRWIN 9550 1.8 1.9 95 1.9 1.9 100 MARQUETTE 8760 1.4 2.0 70 2.2 2.4 92 MIDDLE POWDER 7760 .0 1.3 0 1.9 2.7 70 OWL CREEK 8975 2.0 .9 222 2.1 1.2 175 POWDER RIVER PASS 9480 1.3 1.3 100 2.2 2.0 110 SHELL CREEK 9580 2.5 2.7 93 2.8 2.1 133 SYLVAN LAKE 8420 .2 2.0 10 1.8 2.7 67 SYLVAN ROAD 7120 .3 .5 60 1.3 2.2 59 TIMBER CREEK 7950 1.0 1.1 91 2.1 1.7 124 YOUNTS PEAK 8350 1.9 1.4 136 1.7 1.9 89 ----- ----- Basin wide percent of average 78 96 SHOSHONE RIVER BLACKWATER 9780 2.0 3.2 62 2.1 2.8 75 EVENING STAR 9200 1.7 2.8 61 2.5 2.9 86 KIRWIN 9550 1.8 1.9 95 1.9 1.9 100 MARQUETTE 8760 1.4 2.0 70 2.2 2.4 92 SYLVAN LAKE 8420 .2 2.0 10 1.8 2.7 67 SYLVAN ROAD 7120 .3 .5 60 1.3 2.2 59 YOUNTS PEAK 8350 1.9 1.4 136 1.7 1.9 89 ----- ----- Basin wide percent of average 67 80 POWDER-TONGUE BEAR TRAP MEADOW 8200 .6 .6 100 1.8 1.8 100 BIG GOOSE 7990 .8 .9 89 2.2 2.2 100 BONE SPRINGS DIV 9350 2.2 2.7 81 2.6 2.6 100 BURGESS JUNCTION 7880 1.6 1.6 100 2.6 2.3 113 CLOUD PEAK RESERVOIR 9860 2.1 1.6 131 2.6 2.7 96 DOME LAKE 8880 1.5 1.9 79 2.2 2.6 85 GRAVE SPRINGS 8550 .9 1.2 75 2.0 2.2 91 HANSEN SAWMILL 8360 .0 .9 0 1.9 1.9 100 MIDDLE POWDER 7760 .0 1.3 0 1.9 2.7 70 POWDER RIVER PASS 9480 1.3 1.3 100 2.2 2.0 110 SUCKER CREEK 8880 1.7 1.4 121 2.8 2.5 112 TIE CREEK 6870 .0 .9 0 3.3 2.6 127 ----- ----- Basin wide percent of average 78 100 BELLE FOURCHE BLIND PARK 6890 .0 .6 0 1.3 2.7 48 COLE CANYON 5910 .2 1.0 20 3.1 1.9 163 NORTH RAPID CREEK 6130 .1 .5 20 1.9 2.6 73 ----- ----- Basin wide percent of average 14 88 UPPER N. PLATTE RIVER COLUMBINE 9160 .1 .9 11 1.2 2.5 48 DIVIDE PEAK 8880 .3 1.8 17 2.4 2.8 86 ELK RIVER 8700 .2 .7 29 1.5 2.3 65 JOE WRIGHT 10120 2.4 2.7 89 2.6 3.5 74 NORTH FRENCH CREEK 10130 1.3 3.3 39 1.9 3.5 54 OLD BATTLE 10000 1.1 3.2 34 2.4 3.7 65 SAGE CREEK BASIN 7850 .0 1.0 0 1.0 1.6 62 SOUTH BRUSH CREEK 8440 .1 .8 12 1.4 2.7 52 TOWER 10500 .9 3.7 24 2.4 4.1 59 WEBBER SPRINGS 9250 .9 2.0 45 2.2 3.2 69 WILLOW CREEK PASS 9540 1.4 1.2 117 1.3 2.1 62 ----- ----- Basin wide percent of average 41 63 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 1.0 2.3 43 1.6 2.6 62 CASPER MTN. 7900 .5 1.8 28 2.4 2.6 92 DEADMAN HILL 10220 1.9 2.3 83 1.7 2.6 65 DEER PARK 9700 1.5 2.7 56 2.7 2.6 104 LAPRELE CREEK 8375 .0 1.1 0 .8 2.0 40 RENO HILL 8400 .8 1.8 44 1.8 2.6 69 ROACH 9700 1.1 1.3 85 1.6 2.4 67 SAND LAKE 10050 2.3 3.4 68 2.3 3.2 72 SOUTH PASS 9040 1.7 1.6 106 3.2 2.2 145 WINDY PEAK 7900 .6 .6 100 1.2 1.8 67 ----- ----- Basin wide percent of average 60 78 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .1 .6 17 .8 2.0 40 DIVIDE PEAK 8880 .3 1.8 17 2.4 2.8 86 OLD BATTLE 10000 1.1 3.2 34 2.4 3.7 65 SANDSTONE RS 8150 .0 .6 0 .9 2.4 38 WHISKEY PARK 8950 .2 1.8 11 1.8 3.0 60 ----- ----- Basin wide percent of average 21 60 UPPER GREEN RIVER BIG SANDY OPENING 9080 1.0 1.3 77 1.5 1.9 79 BLIND BULL SUM 8650 1.5 1.8 83 2.1 2.3 91 EAST RIM DIVIDE 7930 .0 .7 0 2.0 1.4 143 ELKHART PARK G.S. 9400 1.2 .9 133 2.0 2.0 100 GROS VENTRE SUMMIT 8750 1.8 1.4 129 2.2 1.9 116 GUNSIGHT PASS 9820 .5 -M * 1.5 -M * KENDALL R.S. 7740 .3 .7 43 1.6 1.6 100 LOOMIS PARK 8240 .3 1.0 30 2.2 1.9 116 NEW FORK LAKE 8340 .6 .6 100 1.8 1.6 112 SNIDER BASIN 8060 .4 .8 50 1.2 1.7 71 SPRING CREEK DIVIDE 9000 .4 1.6 25 1.3 2.7 48 TRIPLE PEAK 8500 1.7 1.3 131 2.2 2.3 96 ----- ----- Basin wide percent of average 76 94 LOWER GREEN RIVER HAMS FORK 7840 .0 .5 0 1.4 1.5 93 HEWINTA 9519 .1 .9 11 1.3 2.5 52 HICKERSON PARK 9145 .0 .5 0 1.3 1.8 72 HOLE-IN-ROCK 9150 .6 .5 120 1.8 1.7 106 INDIAN CREEK 9425 1.0 1.6 62 1.8 2.7 67 KELLEY R.S. 8180 .3 1.0 30 1.6 2.2 73 STEEL CREEK PARK 10200 .0 1.7 0 1.6 2.4 67 ----- ----- Basin wide percent of average 30 73 UPPER BEAR RIVER BUG LAKE 7950 .1 1.3 8 1.4 2.4 58 HAYDEN FORK 9212 .1 .9 11 1.3 2.5 52 KELLEY R.S. 8180 .3 1.0 30 1.6 2.2 73 LILY LAKE 9156 .3 1.0 30 1.7 2.5 68 MONTE CRISTO 8960 .1 1.7 6 1.8 2.9 62 SALT RIVER SUMMIT 7760 .0 .4 0 1.3 2.0 65 TRIAL LAKE 9992 .5 2.0 25 1.4 2.9 48 ----- ----- Basin wide percent of average 17 60 ----------------------------------------------------------------------------- -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.