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: DECEMBER 2 , 2005 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 4.7 4.2 112 8.3 6.2 134 COTTONWOOD CREEK 7600 5.0 4.9 102 8.3 8.2 101 GRANITE CREEK 6770 4.8 3.5 137 6.9 5.5 125 GRASSY LAKE 7265 8.2 7.9 104 12.6 9.8 129 GROS VENTRE SUMMIT 8750 4.2 4.0 105 5.3 4.4 120 LEWIS LAKE DIVIDE 7850 9.1 7.9 115 12.9 10.1 128 PHILLIPS BENCH 8200 7.3 6.6 111 9.5 7.6 125 SALT RIVER SUMMIT 7600 3.3 2.7 122 5.2 5.1 102 SNAKE RIVER STATION 6920 4.5 4.1 110 8.9 6.5 137 SPRING CREEK DIVIDE 9000 6.9 7.0 99 7.6 7.5 101 THUMB DIVIDE 7980 4.9 4.1 120 7.2 5.5 131 TOGWOTEE PASS 9580 8.3 7.2 115 8.8 7.5 117 TWO OCEAN PLATEAU 9240 13.5 8.5 159 11.3 8.4 135 WILLOW CREEK 8450 6.4 7.9 81 10.8 9.6 113 ----- ----- Basin wide percent of average 113 121 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 8.6 7.2 119 6.9 6.0 115 BLACK BEAR 8170 12.9 9.9 130 14.3 10.7 134 CANYON 8090 4.6 3.3 139 6.7 4.9 137 FISHER CREEK 9100 13.3 9.4 141 13.4 10.0 134 MADISON PLATEAU 7750 6.8 6.3 108 10.2 7.4 138 NORTHEAST ENTRANCE 7350 2.6 2.6 100 4.8 4.1 117 PARKER PEAK 9400 6.4 6.8 94 6.8 5.6 121 SYLVAN LAKE 8420 5.3 6.5 82 8.6 7.2 119 THUMB DIVIDE 7980 4.9 4.1 120 7.2 5.5 131 TWO OCEAN PLATEAU 9240 13.5 8.5 159 11.3 8.4 135 WHISKEY CREEK 6800 3.6 3.9 92 7.6 6.0 127 WHITE MILL 8700 7.5 6.8 110 8.1 7.9 103 WOLVERINE 7650 2.7 3.1 87 3.4 4.6 74 ----- ----- Basin wide percent of average 118 124 WIND RIVER BURROUGHS CREEK 8750 4.2 3.9 108 6.0 5.0 120 COLD SPRINGS 9630 1.7 3.2 53 3.9 4.2 93 DEER PARK 9700 3.8 4.6 83 5.4 7.2 75 HOBBS PARK 10100 3.0 5.4 56 4.6 4.7 98 LITTLE WARM 9370 3.1 3.5 89 4.9 4.7 104 SOUTH PASS 9040 3.6 5.0 72 5.0 6.1 82 ST. LAWRENCE ALT 8620 .7 2.7 26 2.7 3.5 77 TOGWOTEE PASS 9580 8.3 7.2 115 8.8 7.5 117 TOWNSEND CREEK 8700 1.8 3.0 60 4.4 4.5 98 ----- ----- Basin wide percent of average 78 96 BIGHORN BASIN BALD MTN. 9380 4.6 6.0 77 3.9 5.4 72 BEAR TRAP MEADOW 8200 1.5 1.6 94 3.7 3.4 109 BLACKWATER 9780 8.1 8.0 101 6.9 7.3 95 BONE SPRINGS DIV 9350 5.2 5.4 96 5.2 5.0 104 EVENING STAR 9200 7.1 8.7 82 9.8 8.4 117 GRAVE SPRINGS 8550 2.5 2.7 93 4.4 3.6 122 KIRWIN 9550 5.0 4.3 116 5.2 4.2 124 MARQUETTE 8760 1.5 3.8 39 3.8 4.1 93 MIDDLE POWDER 7760 4.2 3.6 117 4.8 5.0 96 OWL CREEK 8975 .9 1.9 47 2.9 2.2 132 POWDER RIVER PASS 9480 2.4 3.4 71 4.1 4.2 98 SHELL CREEK 9580 4.3 5.2 83 4.2 4.6 91 SYLVAN LAKE 8420 5.3 6.5 82 8.6 7.2 119 SYLVAN ROAD 7120 2.7 3.6 75 6.7 6.7 100 TIMBER CREEK 7950 1.0 2.3 43 3.2 3.0 107 YOUNTS PEAK 8350 5.5 4.8 115 8.1 5.3 153 ----- ----- Basin wide percent of average 86 107 SHOSHONE RIVER BLACKWATER 9780 8.1 8.0 101 6.9 7.3 95 EVENING STAR 9200 7.1 8.7 82 9.8 8.4 117 KIRWIN 9550 5.0 4.3 116 5.2 4.2 124 MARQUETTE 8760 1.5 3.8 39 3.8 4.1 93 SYLVAN LAKE 8420 5.3 6.5 82 8.6 7.2 119 SYLVAN ROAD 7120 2.7 3.6 75 6.7 6.7 100 YOUNTS PEAK 8350 5.5 4.8 115 8.1 5.3 153 ----- ----- Basin wide percent of average 89 114 POWDER-TONGUE BEAR TRAP MEADOW 8200 1.5 1.6 94 3.7 3.4 109 BIG GOOSE 7990 1.9 2.4 79 4.1 3.0 137 BONE SPRINGS DIV 9350 5.2 5.4 96 5.2 5.0 104 BURGESS JUNCTION 7880 3.6 3.6 100 5.3 4.3 123 CLOUD PEAK RESERVOIR 9860 4.0 3.9 103 5.3 4.9 108 DOME LAKE 8880 4.0 4.2 95 4.9 5.0 98 GRAVE SPRINGS 8550 2.5 2.7 93 4.4 3.6 122 HANSEN SAWMILL 8360 -M 2.0 * -M 3.2 * MIDDLE POWDER 7760 4.2 3.6 117 4.8 5.0 96 POWDER RIVER PASS 9480 2.4 3.4 71 4.1 4.2 98 SUCKER CREEK 8880 3.1 3.3 94 5.5 4.6 120 TIE CREEK 6870 1.8 1.2 150 5.1 3.7 138 ----- ----- Basin wide percent of average 97 112 BELLE FOURCHE BLIND PARK 6890 1.5 2.0 75 3.2 4.6 70 COLE CANYON 5910 1.2 1.9 63 3.4 -M * NORTH RAPID CREEK 6130 1.6 1.8 89 2.8 3.8 74 ----- ----- Basin wide percent of average 75 71 UPPER N. PLATTE RIVER COLUMBINE 9160 6.9 5.2 133 10.8 6.6 164 DIVIDE PEAK 8860 4.2 5.2 81 7.9 6.3 125 ELK RIVER 8700 3.2 3.2 100 6.7 5.3 126 JOE WRIGHT 10120 8.0 6.4 125 10.6 7.8 136 NORTH FRENCH CREEK 10130 9.3 8.1 115 10.5 7.6 138 OLD BATTLE 9920 9.4 9.2 102 12.6 9.5 133 SAGE CREEK BASIN 7850 2.5 3.1 81 5.2 3.7 141 SOUTH BRUSH CREEK 8440 3.9 3.0 130 7.3 5.3 138 TOWER 10500 12.6 12.9 98 15.7 10.8 145 WEBBER SPRINGS 9250 -M 6.8 * -M 8.0 * WILLOW CREEK PASS 9540 4.4 3.7 119 5.7 4.5 127 ----- ----- Basin wide percent of average 107 138 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10220 6.7 6.2 108 5.1 6.3 81 CASPER MTN. 7850 3.8 4.7 81 6.7 5.3 126 DEADMAN HILL 10220 5.4 5.1 106 7.1 5.4 131 DEER PARK 9700 3.8 4.6 83 5.4 7.2 75 LAPRELE CREEK 8375 1.8 3.3 55 3.2 4.4 73 RENO HILL 8500 4.5 4.4 102 6.2 5.2 119 ROACH 9700 4.4 4.4 100 7.1 5.3 134 SAND LAKE 10050 10.6 9.4 113 11.0 7.3 151 SOUTH PASS 9040 3.6 5.0 72 5.0 6.1 82 WINDY PEAK 7900 1.3 2.3 57 3.2 3.8 84 ----- ----- Basin wide percent of average 93 107 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 3.3 2.0 165 6.5 4.5 144 DIVIDE PEAK 8860 4.2 5.2 81 7.9 6.3 125 OLD BATTLE 9920 9.4 9.2 102 12.6 9.5 133 SANDSTONE RS 8150 3.3 2.5 132 7.5 5.6 134 WHISKEY PARK 8950 6.4 6.2 103 10.1 8.0 126 ----- ----- Basin wide percent of average 106 132 UPPER GREEN RIVER BIG SANDY OPENING 9080 3.1 4.1 76 4.2 4.4 95 BLIND BULL SUM 8900 6.5 7.3 89 6.3 6.6 95 EAST RIM DIVIDE 7930 2.6 3.3 79 3.4 3.6 94 ELKHART PARK G.S. 9400 3.8 3.6 106 4.7 4.5 104 GROS VENTRE SUMMIT 8750 4.2 4.0 105 5.3 4.4 120 KENDALL R.S. 7740 3.5 3.3 106 5.0 4.2 119 LOOMIS PARK 8240 4.6 4.5 102 5.5 5.0 110 NEW FORK LAKE 8340 2.8 2.9 97 3.3 3.9 85 SNIDER BASIN 8060 4.2 3.7 114 4.6 4.6 100 SPRING CREEK DIVIDE 9000 6.9 7.0 99 7.6 7.5 101 TRIPLE PEAK 8500 6.8 6.5 105 8.5 6.7 127 ----- ----- Basin wide percent of average 98 105 LOWER GREEN RIVER HAMS FORK 7840 2.7 2.6 104 3.7 3.6 103 HEWINTA 9500 2.3 2.2 105 5.2 5.0 104 HICKERSON PARK 9100 .5 1.5 33 2.8 3.2 87 HOLE-IN-ROCK 9150 2.7 1.5 180 3.3 3.0 110 INDIAN CREEK 9425 6.9 6.9 100 6.9 7.2 96 KELLEY R.S. 8180 3.8 4.3 88 5.4 5.8 93 STEEL CREEK PARK 10100 3.8 4.1 93 5.6 5.3 106 ----- ----- Basin wide percent of average 98 99 UPPER BEAR RIVER BUG LAKE 7950 3.9 4.2 93 5.4 5.8 93 HAYDEN FORK 9100 -M 3.2 * -M 6.2 * KELLEY R.S. 8180 3.8 4.3 88 5.4 5.8 93 LILY LAKE 9050 3.3 3.0 110 4.9 5.8 84 MONTE CRISTO 8960 6.0 5.4 111 6.9 7.5 92 SALT RIVER SUMMIT 7600 3.3 2.7 122 5.2 5.1 102 TRIAL LAKE 9960 6.5 5.8 112 7.4 6.8 109 ----- ----- Basin wide percent of average 106 96 ----------------------------------------------------------------------------- -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.