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 THURSDAY: JANUARY 3 , 2008 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 7.4 8.5 87 13.8 10.7 129 COTTONWOOD CREEK 7670 7.9 10.0 79 11.2 13.9 81 GRAND TARGHEE 9260 21.7 -M * 16.8 -M * GRANITE CREEK 6770 5.3 7.9 67 11.1 9.8 113 GRASSY LAKE 7265 12.0 15.2 79 20.1 17.9 112 GROS VENTRE SUMMIT 8750 6.6 7.1 93 8.0 6.5 123 GUNSIGHT PASS 9820 4.3 -M * 7.8 -M * LEWIS LAKE DIVIDE 7850 13.8 15.3 90 19.7 18.0 109 PHILLIPS BENCH 8200 10.4 13.0 80 14.8 13.9 106 SALT RIVER SUMMIT 7760 3.5 5.6 62 6.0 9.2 65 SNAKE RIVER STATION 6920 5.9 8.1 73 13.9 11.3 123 SPRING CREEK DIVIDE 9000 8.0 12.8 62 9.1 13.4 68 THUMB DIVIDE 7980 6.1 7.9 77 9.9 9.3 106 TOGWOTEE PASS 9580 13.4 12.0 112 15.2 12.4 123 TWO OCEAN PLATEAU 9240 18.4 13.8 133 16.9 13.8 122 WILLOW CREEK 8380 10.4 14.7 71 16.2 16.0 101 ----- ----- Basin wide percent of average 85 106 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9360 13.4 11.8 114 12.8 10.3 124 BLACK BEAR 8170 19.8 17.8 111 21.3 18.2 117 CANYON 7870 7.2 6.3 114 10.4 8.0 130 FISHER CREEK 9100 21.5 16.7 129 19.9 17.6 113 MADISON PLATEAU 7750 11.7 11.6 101 15.6 12.7 123 NORTHEAST ENTRANCE 7350 3.1 5.1 61 7.2 6.6 109 PARKER PEAK 9400 13.0 10.9 119 12.9 8.4 154 SYLVAN LAKE 8420 9.5 10.9 87 14.0 11.2 125 THUMB DIVIDE 7980 6.1 7.9 77 9.9 9.3 106 TWO OCEAN PLATEAU 9240 18.4 13.8 133 16.9 13.8 122 WHISKEY CREEK 6800 6.8 7.7 88 12.6 10.2 124 WHITE MILL 8700 13.2 11.4 116 13.8 13.2 105 WOLVERINE 7650 4.2 5.9 71 7.9 7.2 110 ----- ----- Basin wide percent of average 107 119 WIND RIVER BURROUGHS CREEK 8750 8.4 6.9 122 11.2 8.2 137 COLD SPRINGS 9630 2.3 4.7 49 5.1 5.8 88 DEER PARK 9700 5.5 7.0 79 8.9 11.1 80 HOBBS PARK 10100 5.1 7.8 65 7.0 6.5 108 LITTLE WARM 9370 4.4 5.5 80 7.0 6.9 101 SOUTH PASS 9040 4.8 8.3 58 7.8 9.4 83 ST. LAWRENCE ALT 8620 2.6 3.8 68 4.1 4.7 87 TOGWOTEE PASS 9580 13.4 12.0 112 15.2 12.4 123 TOWNSEND CREEK 8700 3.0 4.4 68 5.9 6.1 97 ----- ----- Basin wide percent of average 82 102 BIGHORN BASIN BALD MTN. 9380 6.9 9.9 70 8.1 8.7 93 BEAR TRAP MEADOW 8200 4.5 2.6 173 5.6 4.6 122 BLACKWATER 9780 12.7 12.3 103 12.2 11.0 111 BONE SPRINGS DIV 9350 6.9 8.0 86 7.5 7.4 101 EVENING STAR 9200 14.3 14.1 101 17.4 13.3 131 GRAVE SPRINGS 8550 4.0 4.2 95 5.4 5.0 108 KIRWIN 9550 7.0 6.0 117 8.5 6.0 142 MARQUETTE 8760 1.9 5.0 38 5.9 5.4 109 MIDDLE POWDER 7760 4.6 5.6 82 5.0 6.9 72 OWL CREEK 8975 2.8 2.7 104 4.4 3.0 147 POWDER RIVER PASS 9480 5.3 5.4 98 7.3 6.1 120 SHELL CREEK 9580 7.8 7.5 104 8.3 6.9 120 SYLVAN LAKE 8420 9.5 10.9 87 14.0 11.2 125 SYLVAN ROAD 7120 4.6 6.4 72 12.5 10.3 121 TIMBER CREEK 7950 1.8 3.0 60 5.5 3.8 145 YOUNTS PEAK 8350 8.1 8.1 100 10.7 8.4 127 ----- ----- Basin wide percent of average 92 117 SHOSHONE RIVER BLACKWATER 9780 12.7 12.3 103 12.2 11.0 111 EVENING STAR 9200 14.3 14.1 101 17.4 13.3 131 KIRWIN 9550 7.0 6.0 117 8.5 6.0 142 MARQUETTE 8760 1.9 5.0 38 5.9 5.4 109 SYLVAN LAKE 8420 9.5 10.9 87 14.0 11.2 125 SYLVAN ROAD 7120 4.6 6.4 72 12.5 10.3 121 YOUNTS PEAK 8350 8.1 8.1 100 10.7 8.4 127 ----- ----- Basin wide percent of average 93 124 POWDER-TONGUE BEAR TRAP MEADOW 8200 4.5 2.6 173 5.6 4.6 122 BIG GOOSE 7990 4.3 4.5 96 7.3 4.6 159 BONE SPRINGS DIV 9350 6.9 8.0 86 7.5 7.4 101 BURGESS JUNCTION 7880 4.9 5.6 88 7.3 6.2 118 CLOUD PEAK RESERVOIR 9860 6.6 5.8 114 8.3 6.5 128 DOME LAKE 8880 5.0 6.2 81 8.4 7.0 120 GRAVE SPRINGS 8550 4.0 4.2 95 5.4 5.0 108 HANSEN SAWMILL 8360 3.3 3.3 100 5.5 4.4 125 MIDDLE POWDER 7760 4.6 5.6 82 5.0 6.9 72 POWDER RIVER PASS 9480 5.3 5.4 98 7.3 6.1 120 SUCKER CREEK 8880 5.4 5.4 100 7.6 6.8 112 TIE CREEK 6870 2.3 2.6 88 6.1 5.2 117 ----- ----- Basin wide percent of average 96 115 BELLE FOURCHE BLIND PARK 6890 2.2 3.7 59 4.4 6.3 70 COLE CANYON 5910 1.8 3.4 53 3.2 4.0 80 NORTH RAPID CREEK 6130 3.4 3.4 100 3.5 5.4 65 ----- ----- Basin wide percent of average 70 71 UPPER N. PLATTE RIVER COLUMBINE 9160 8.3 10.4 80 11.6 11.9 97 DIVIDE PEAK 8880 10.4 9.5 109 11.1 10.3 108 ELK RIVER 8700 8.2 7.6 108 10.6 9.1 116 JOE WRIGHT 10120 9.5 9.9 96 12.1 12.2 99 NORTH FRENCH CREEK 10130 12.8 13.7 93 13.8 12.3 112 OLD BATTLE 10000 13.8 15.0 92 17.2 16.4 105 SAGE CREEK BASIN 7850 7.6 5.5 138 9.0 6.0 150 SOUTH BRUSH CREEK 8440 5.8 5.3 109 9.4 8.0 118 TOWER 10500 15.0 21.2 71 17.8 18.4 97 WEBBER SPRINGS 9250 10.6 11.8 90 13.4 13.4 100 WILLOW CREEK PASS 9540 7.2 5.7 126 8.2 6.6 124 ----- ----- Basin wide percent of average 94 108 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 9.3 11.1 84 10.4 10.4 100 CASPER MTN. 7900 5.1 7.1 72 7.8 7.3 107 DEADMAN HILL 10220 7.9 7.8 101 8.0 8.0 100 DEER PARK 9700 5.5 7.0 79 8.9 11.1 80 LAPRELE CREEK 8375 2.4 5.5 44 5.2 6.3 83 RENO HILL 8400 5.7 6.7 85 7.7 7.3 105 ROACH 9700 8.8 7.6 116 10.9 8.7 125 SAND LAKE 10050 12.3 15.3 80 12.8 11.9 108 SOUTH PASS 9040 4.8 8.3 58 7.8 9.4 83 WINDY PEAK 7900 3.2 3.5 91 4.9 5.7 86 ----- ----- Basin wide percent of average 81 98 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 5.7 4.3 133 8.3 7.3 114 DIVIDE PEAK 8880 10.4 9.5 109 11.1 10.3 108 OLD BATTLE 10000 13.8 15.0 92 17.2 16.4 105 SANDSTONE RS 8150 6.3 5.5 115 9.9 9.2 108 WHISKEY PARK 8950 11.1 11.5 97 15.2 13.6 112 ----- ----- Basin wide percent of average 103 109 UPPER GREEN RIVER BIG SANDY OPENING 9080 4.8 7.1 68 5.5 6.7 82 BLIND BULL SUM 8650 9.1 13.5 67 8.4 11.4 74 EAST RIM DIVIDE 7930 2.4 6.1 39 5.1 5.9 86 ELKHART PARK G.S. 9400 4.6 6.5 71 6.0 6.9 87 GROS VENTRE SUMMIT 8750 6.6 7.1 93 8.0 6.5 123 GUNSIGHT PASS 9820 4.3 -M * 7.8 -M * KENDALL R.S. 7740 4.0 6.9 58 6.5 7.1 92 LOOMIS PARK 8240 5.8 8.2 71 7.6 8.6 88 NEW FORK LAKE 8340 3.4 5.5 62 4.6 6.1 75 SNIDER BASIN 8060 3.5 7.1 49 5.2 8.2 63 SPRING CREEK DIVIDE 9000 8.0 12.8 62 9.1 13.4 68 TRIPLE PEAK 8500 8.4 12.2 69 11.4 11.6 98 ----- ----- Basin wide percent of average 65 84 LOWER GREEN RIVER HAMS FORK 7840 2.9 5.7 51 4.0 6.0 67 HEWINTA 9519 2.9 4.3 67 7.8 7.1 110 HICKERSON PARK 9145 1.8 3.0 60 4.5 4.3 105 HOLE-IN-ROCK 9150 1.6 2.7 59 4.9 3.9 126 INDIAN CREEK 9425 8.0 12.8 62 8.1 12.5 65 KELLEY R.S. 8180 4.8 7.8 62 7.4 10.4 71 STEEL CREEK PARK 10200 4.4 6.8 65 8.5 7.7 110 ----- ----- Basin wide percent of average 61 87 UPPER BEAR RIVER BUG LAKE 7950 4.6 8.6 53 6.4 9.4 68 HAYDEN FORK 9212 5.0 6.5 77 8.8 10.2 86 KELLEY R.S. 8180 4.8 7.8 62 7.4 10.4 71 LILY LAKE 9156 3.6 5.6 64 7.6 8.8 86 MONTE CRISTO 8960 8.6 11.5 75 10.1 12.4 81 SALT RIVER SUMMIT 7760 3.5 5.6 62 6.0 9.2 65 TRIAL LAKE 9992 6.3 10.8 58 8.7 11.6 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.