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: JANUARY 5 , 2008 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 7.8 8.8 89 14.2 11.0 129 COTTONWOOD CREEK 7670 8.0 10.3 78 11.2 14.3 78 GRAND TARGHEE 9260 22.3 -M * 17.0 -M * GRANITE CREEK 6770 5.8 8.2 71 11.6 10.1 115 GRASSY LAKE 7265 12.4 15.8 78 20.4 18.5 110 GROS VENTRE SUMMIT 8750 7.0 7.3 96 8.2 6.7 122 GUNSIGHT PASS 9820 4.5 -M * 8.0 -M * LEWIS LAKE DIVIDE 7850 14.2 15.8 90 20.3 18.6 109 PHILLIPS BENCH 8200 11.3 13.4 84 15.6 14.4 108 SALT RIVER SUMMIT 7760 3.7 5.8 64 6.1 9.5 64 SNAKE RIVER STATION 6920 6.5 8.4 77 14.3 11.6 123 SPRING CREEK DIVIDE 9000 8.1 13.2 61 9.2 13.9 66 THUMB DIVIDE 7980 6.8 8.1 84 10.7 9.6 111 TOGWOTEE PASS 9580 13.7 12.3 111 15.5 12.7 122 TWO OCEAN PLATEAU 9240 18.9 14.2 133 17.1 14.2 120 WILLOW CREEK 8380 10.4 15.1 69 16.3 16.4 99 ----- ----- Basin wide percent of average 86 105 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9360 13.5 12.1 112 13.0 10.5 124 BLACK BEAR 8170 20.7 18.5 112 22.2 18.7 119 CANYON 7870 7.3 6.6 111 10.5 8.2 128 FISHER CREEK 9100 21.6 17.3 125 19.9 18.2 109 MADISON PLATEAU 7750 12.4 12.0 103 16.3 13.0 125 NORTHEAST ENTRANCE 7350 3.3 5.3 62 7.3 6.7 109 PARKER PEAK 9400 13.1 11.1 118 13.5 8.6 157 SYLVAN LAKE 8420 9.8 11.2 88 14.2 11.5 123 THUMB DIVIDE 7980 6.8 8.1 84 10.7 9.6 111 TWO OCEAN PLATEAU 9240 18.9 14.2 133 17.1 14.2 120 WHISKEY CREEK 6800 7.3 8.1 90 12.8 10.5 122 WHITE MILL 8700 13.3 11.8 113 14.2 13.5 105 WOLVERINE 7650 4.2 6.1 69 8.0 7.3 110 ----- ----- Basin wide percent of average 107 119 WIND RIVER BURROUGHS CREEK 8750 8.6 7.2 119 11.3 8.5 133 COLD SPRINGS 9630 2.5 4.8 52 5.3 5.9 90 DEER PARK 9700 5.6 7.1 79 9.1 11.4 80 HOBBS PARK 10100 5.5 7.9 70 7.2 6.6 109 LITTLE WARM 9370 4.5 5.6 80 7.3 7.1 103 SOUTH PASS 9040 5.0 8.5 59 7.7 9.5 81 ST. LAWRENCE ALT 8620 2.7 3.9 69 4.3 4.7 91 TOGWOTEE PASS 9580 13.7 12.3 111 15.5 12.7 122 TOWNSEND CREEK 8700 3.1 4.5 69 5.8 6.2 94 ----- ----- Basin wide percent of average 83 101 BIGHORN BASIN BALD MTN. 9380 6.9 10.2 68 8.1 8.9 91 BEAR TRAP MEADOW 8200 4.6 2.7 170 5.6 4.6 122 BLACKWATER 9780 12.7 12.6 101 12.3 11.2 110 BONE SPRINGS DIV 9350 7.0 8.2 85 -M 7.6 * EVENING STAR 9200 14.5 14.5 100 17.3 13.6 127 GRAVE SPRINGS 8550 3.9 4.4 89 5.3 5.1 104 KIRWIN 9550 7.2 6.1 118 8.6 6.1 141 MARQUETTE 8760 2.0 5.0 40 6.2 5.4 115 MIDDLE POWDER 7760 4.5 5.7 79 4.9 7.0 70 OWL CREEK 8975 2.9 2.7 107 4.3 3.0 143 POWDER RIVER PASS 9480 5.3 5.5 96 7.4 6.3 117 SHELL CREEK 9580 7.9 7.6 104 8.4 7.0 120 SYLVAN LAKE 8420 9.8 11.2 88 14.2 11.5 123 SYLVAN ROAD 7120 4.6 6.6 70 12.5 10.5 119 TIMBER CREEK 7950 1.9 3.1 61 5.3 3.8 139 YOUNTS PEAK 8350 8.3 8.4 99 10.8 8.7 124 ----- ----- Basin wide percent of average 91 116 SHOSHONE RIVER BLACKWATER 9780 12.7 12.6 101 12.3 11.2 110 EVENING STAR 9200 14.5 14.5 100 17.3 13.6 127 KIRWIN 9550 7.2 6.1 118 8.6 6.1 141 MARQUETTE 8760 2.0 5.0 40 6.2 5.4 115 SYLVAN LAKE 8420 9.8 11.2 88 14.2 11.5 123 SYLVAN ROAD 7120 4.6 6.6 70 12.5 10.5 119 YOUNTS PEAK 8350 8.3 8.4 99 10.8 8.7 124 ----- ----- Basin wide percent of average 92 122 POWDER-TONGUE BEAR TRAP MEADOW 8200 4.6 2.7 170 5.6 4.6 122 BIG GOOSE 7990 4.3 4.6 93 7.4 4.6 161 BONE SPRINGS DIV 9350 7.0 8.2 85 -M 7.6 * BURGESS JUNCTION 7880 5.0 5.8 86 7.2 6.3 114 CLOUD PEAK RESERVOIR 9860 6.6 6.0 110 8.4 6.6 127 DOME LAKE 8880 5.1 6.3 81 8.4 7.1 118 GRAVE SPRINGS 8550 3.9 4.4 89 5.3 5.1 104 HANSEN SAWMILL 8360 3.3 3.4 97 5.5 4.4 125 MIDDLE POWDER 7760 4.5 5.7 79 4.9 7.0 70 POWDER RIVER PASS 9480 5.3 5.5 96 7.4 6.3 117 SUCKER CREEK 8880 5.4 5.5 98 7.7 7.0 110 TIE CREEK 6870 2.3 2.7 85 6.1 5.3 115 ----- ----- Basin wide percent of average 94 115 BELLE FOURCHE BLIND PARK 6890 2.2 3.9 56 4.4 6.4 69 COLE CANYON 5910 1.9 3.4 56 3.3 4.0 82 NORTH RAPID CREEK 6130 3.4 3.5 97 3.5 5.4 65 ----- ----- Basin wide percent of average 69 71 UPPER N. PLATTE RIVER COLUMBINE 9160 8.5 10.8 79 11.9 12.2 98 DIVIDE PEAK 8880 10.5 9.7 108 11.1 10.6 105 ELK RIVER 8700 8.1 7.9 103 10.8 9.4 115 JOE WRIGHT 10120 9.5 10.2 93 12.3 12.5 98 NORTH FRENCH CREEK 10130 12.9 14.1 91 13.8 12.6 110 OLD BATTLE 10000 13.9 15.3 91 17.4 16.9 103 SAGE CREEK BASIN 7850 7.7 5.6 138 9.0 6.1 148 SOUTH BRUSH CREEK 8440 5.9 5.4 109 9.5 8.2 116 TOWER 10500 14.9 21.8 68 17.9 18.9 95 WEBBER SPRINGS 9250 10.6 12.0 88 13.5 13.7 99 WILLOW CREEK PASS 9540 7.7 5.8 133 8.2 6.7 122 ----- ----- Basin wide percent of average 93 106 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 9.3 11.4 82 10.5 10.7 98 CASPER MTN. 7900 5.3 7.2 74 7.9 7.4 107 DEADMAN HILL 10220 8.0 8.0 100 8.0 8.2 98 DEER PARK 9700 5.6 7.1 79 9.1 11.4 80 LAPRELE CREEK 8375 2.5 5.6 45 5.2 6.4 81 RENO HILL 8400 5.7 6.8 84 7.9 7.4 107 ROACH 9700 8.8 7.8 113 10.9 9.0 121 SAND LAKE 10050 12.4 15.6 79 12.9 12.2 106 SOUTH PASS 9040 5.0 8.5 59 7.7 9.5 81 WINDY PEAK 7900 3.0 3.6 83 4.8 5.8 83 ----- ----- Basin wide percent of average 80 96 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 5.8 4.6 126 8.4 7.5 112 DIVIDE PEAK 8880 10.5 9.7 108 11.1 10.6 105 OLD BATTLE 10000 13.9 15.3 91 17.4 16.9 103 SANDSTONE RS 8150 6.3 5.8 109 10.0 9.4 106 WHISKEY PARK 8950 11.2 12.0 93 15.2 14.0 109 ----- ----- Basin wide percent of average 101 106 UPPER GREEN RIVER BIG SANDY OPENING 9080 5.2 7.2 72 5.9 6.9 86 BLIND BULL SUM 8650 9.2 13.9 66 8.5 11.7 73 EAST RIM DIVIDE 7930 2.6 6.2 42 5.2 6.1 85 ELKHART PARK G.S. 9400 4.7 6.6 71 6.1 7.0 87 GROS VENTRE SUMMIT 8750 7.0 7.3 96 8.2 6.7 122 GUNSIGHT PASS 9820 4.5 -M * 8.0 -M * KENDALL R.S. 7740 4.3 7.1 61 6.7 7.3 92 LOOMIS PARK 8240 5.9 8.5 69 7.8 8.8 89 NEW FORK LAKE 8340 3.6 5.7 63 5.0 6.2 81 SNIDER BASIN 8060 3.7 7.3 51 5.5 8.4 65 SPRING CREEK DIVIDE 9000 8.1 13.2 61 9.2 13.9 66 TRIPLE PEAK 8500 8.6 12.5 69 11.7 11.9 98 ----- ----- Basin wide percent of average 66 84 LOWER GREEN RIVER HAMS FORK 7840 3.1 5.8 53 4.1 6.2 66 HEWINTA 9519 3.0 4.4 68 7.8 7.3 107 HICKERSON PARK 9145 2.0 3.1 65 4.5 4.3 105 HOLE-IN-ROCK 9150 1.7 2.8 61 5.0 4.0 125 INDIAN CREEK 9425 8.2 13.2 62 8.2 12.9 64 KELLEY R.S. 8180 5.1 8.0 64 7.6 10.7 71 STEEL CREEK PARK 10200 4.5 7.0 64 8.6 7.9 109 ----- ----- Basin wide percent of average 62 86 UPPER BEAR RIVER BUG LAKE 7950 4.7 8.9 53 6.6 9.7 68 HAYDEN FORK 9212 5.2 6.7 78 8.9 10.5 85 KELLEY R.S. 8180 5.1 8.0 64 7.6 10.7 71 LILY LAKE 9156 3.8 5.8 66 7.6 9.0 84 MONTE CRISTO 8960 8.9 11.9 75 10.5 12.7 83 SALT RIVER SUMMIT 7760 3.7 5.8 64 6.1 9.5 64 TRIAL LAKE 9992 6.6 11.1 59 8.9 11.9 75 ----- ----- Basin wide percent of average 65 76 ----------------------------------------------------------------------------- -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.