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: JANUARY 11 , 2008 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 9.4 9.7 97 15.9 11.9 134 COTTONWOOD CREEK 7670 9.9 11.2 88 12.9 15.5 83 GRAND TARGHEE 9260 25.8 -M * 19.2 -M * GRANITE CREEK 6770 7.8 9.2 85 13.5 11.0 123 GRASSY LAKE 7265 15.2 17.4 87 23.1 20.1 115 GROS VENTRE SUMMIT 8750 7.7 7.8 99 8.8 7.1 124 GUNSIGHT PASS 9820 5.0 -M * 8.7 -M * LEWIS LAKE DIVIDE 7850 16.3 17.4 94 22.6 20.1 112 PHILLIPS BENCH 8200 13.9 14.6 95 18.0 15.6 115 SALT RIVER SUMMIT 7760 4.8 6.6 73 7.2 10.3 70 SNAKE RIVER STATION 6920 8.1 9.3 87 16.0 12.6 127 SPRING CREEK DIVIDE 9000 10.0 14.1 71 10.9 15.0 73 THUMB DIVIDE 7980 8.1 8.9 91 11.6 10.4 112 TOGWOTEE PASS 9580 15.1 13.4 113 16.9 13.7 123 TWO OCEAN PLATEAU 9240 20.5 15.2 135 18.5 15.2 122 WILLOW CREEK 8380 13.0 16.3 80 18.8 17.8 106 ----- ----- Basin wide percent of average 93 109 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9360 14.1 13.3 106 13.5 11.4 118 BLACK BEAR 8170 24.5 20.1 122 25.3 20.5 123 CANYON 7870 8.7 7.2 121 11.9 8.8 135 FISHER CREEK 9100 23.4 19.0 123 21.5 19.7 109 MADISON PLATEAU 7750 14.9 13.0 115 18.6 14.0 133 NORTHEAST ENTRANCE 7350 3.6 6.0 60 7.8 7.2 108 PARKER PEAK 9400 13.8 12.1 114 13.5 9.1 148 SYLVAN LAKE 8420 10.9 12.2 89 15.4 12.2 126 THUMB DIVIDE 7980 8.1 8.9 91 11.6 10.4 112 TWO OCEAN PLATEAU 9240 20.5 15.2 135 18.5 15.2 122 WHISKEY CREEK 6800 9.1 8.7 105 14.8 11.3 131 WHITE MILL 8700 14.5 13.0 112 -M 14.6 * WOLVERINE 7650 4.2 6.8 62 7.9 7.7 103 ----- ----- Basin wide percent of average 110 122 WIND RIVER BURROUGHS CREEK 8750 9.1 8.1 112 11.8 9.2 128 COLD SPRINGS 9630 3.0 5.1 59 5.8 6.2 94 DEER PARK 9700 7.4 8.1 91 11.0 12.1 91 HOBBS PARK 10100 6.4 8.4 76 7.7 7.0 110 LITTLE WARM 9370 5.1 6.2 82 7.9 7.6 104 SOUTH PASS 9040 6.4 9.3 69 9.1 10.1 90 ST. LAWRENCE ALT 8620 2.9 4.1 71 4.7 4.9 96 TOGWOTEE PASS 9580 15.1 13.4 113 16.9 13.7 123 TOWNSEND CREEK 8700 3.5 4.8 73 6.4 6.4 100 ----- ----- Basin wide percent of average 87 105 BIGHORN BASIN BALD MTN. 9380 7.5 11.1 68 8.3 9.6 86 BEAR TRAP MEADOW 8200 4.6 2.9 159 5.7 4.8 119 BLACKWATER 9780 13.5 13.6 99 13.0 11.9 109 BONE SPRINGS DIV 9350 7.7 8.8 88 -M 8.1 * EVENING STAR 9200 15.5 16.0 97 18.4 14.6 126 GRAVE SPRINGS 8550 4.1 4.7 87 5.5 5.4 102 KIRWIN 9550 7.5 6.6 114 9.0 6.5 138 MARQUETTE 8760 1.7 5.2 33 5.9 5.6 105 MIDDLE POWDER 7760 4.8 6.1 79 5.2 7.3 71 OWL CREEK 8975 2.8 2.9 97 4.4 3.2 138 POWDER RIVER PASS 9480 5.9 6.0 98 7.9 6.7 118 SHELL CREEK 9580 8.4 8.3 101 8.7 7.5 116 SYLVAN LAKE 8420 10.9 12.2 89 15.4 12.2 126 SYLVAN ROAD 7120 5.3 7.2 74 13.3 11.2 119 TIMBER CREEK 7950 1.8 3.2 56 5.3 3.9 136 YOUNTS PEAK 8350 9.1 9.3 98 11.2 9.4 119 ----- ----- Basin wide percent of average 90 115 SHOSHONE RIVER BLACKWATER 9780 13.5 13.6 99 13.0 11.9 109 EVENING STAR 9200 15.5 16.0 97 18.4 14.6 126 KIRWIN 9550 7.5 6.6 114 9.0 6.5 138 MARQUETTE 8760 1.7 5.2 33 5.9 5.6 105 SYLVAN LAKE 8420 10.9 12.2 89 15.4 12.2 126 SYLVAN ROAD 7120 5.3 7.2 74 13.3 11.2 119 YOUNTS PEAK 8350 9.1 9.3 98 11.2 9.4 119 ----- ----- Basin wide percent of average 91 121 POWDER-TONGUE BEAR TRAP MEADOW 8200 4.6 2.9 159 5.7 4.8 119 BIG GOOSE 7990 4.3 5.0 86 7.2 4.8 150 BONE SPRINGS DIV 9350 7.7 8.8 88 -M 8.1 * BURGESS JUNCTION 7880 5.0 6.1 82 7.3 6.7 109 CLOUD PEAK RESERVOIR 9860 6.9 6.5 106 8.3 7.0 119 DOME LAKE 8880 5.1 6.7 76 8.5 7.5 113 GRAVE SPRINGS 8550 4.1 4.7 87 5.5 5.4 102 HANSEN SAWMILL 8360 3.5 3.5 100 5.7 4.6 124 MIDDLE POWDER 7760 4.8 6.1 79 5.2 7.3 71 POWDER RIVER PASS 9480 5.9 6.0 98 7.9 6.7 118 SUCKER CREEK 8880 5.6 5.8 97 7.4 7.4 100 TIE CREEK 6870 2.2 3.2 69 6.1 5.7 107 ----- ----- Basin wide percent of average 91 110 BELLE FOURCHE BLIND PARK 6890 2.2 4.2 52 4.5 6.8 66 COLE CANYON 5910 1.8 3.6 50 3.2 4.2 76 NORTH RAPID CREEK 6130 3.0 3.8 79 3.4 5.6 61 ----- ----- Basin wide percent of average 60 67 UPPER N. PLATTE RIVER COLUMBINE 9160 10.4 12.0 87 13.5 13.3 102 DIVIDE PEAK 8880 11.8 10.5 112 12.3 11.3 109 ELK RIVER 8700 10.2 8.8 116 11.9 10.2 117 JOE WRIGHT 10120 11.8 11.0 107 14.2 13.4 106 NORTH FRENCH CREEK 10130 14.7 15.1 97 15.4 13.5 114 OLD BATTLE 10000 15.6 16.3 96 19.1 18.2 105 SAGE CREEK BASIN 7850 8.7 6.1 143 10.1 6.6 153 SOUTH BRUSH CREEK 8440 6.7 5.9 114 10.0 8.8 114 TOWER 10500 18.2 23.6 77 20.3 20.4 100 WEBBER SPRINGS 9250 11.9 12.9 92 14.9 14.8 101 WILLOW CREEK PASS 9540 8.6 6.2 139 9.4 7.0 134 ----- ----- Basin wide percent of average 100 110 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 10.2 12.3 83 11.2 11.6 97 CASPER MTN. 7900 5.2 7.6 68 7.9 7.8 101 DEADMAN HILL 10220 8.9 8.6 103 9.1 8.8 103 DEER PARK 9700 7.4 8.1 91 11.0 12.1 91 LAPRELE CREEK 8375 2.4 6.0 40 5.2 6.9 75 RENO HILL 8400 5.6 7.2 78 7.5 7.9 95 ROACH 9700 10.3 8.5 121 12.4 9.6 129 SAND LAKE 10050 13.4 16.6 81 13.8 13.1 105 SOUTH PASS 9040 6.4 9.3 69 9.1 10.1 90 WINDY PEAK 7900 3.2 3.8 84 5.0 6.1 82 ----- ----- Basin wide percent of average 83 98 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 7.2 5.3 136 9.5 8.1 117 DIVIDE PEAK 8880 11.8 10.5 112 12.3 11.3 109 OLD BATTLE 10000 15.6 16.3 96 19.1 18.2 105 SANDSTONE RS 8150 7.6 6.7 113 11.2 10.2 110 WHISKEY PARK 8950 13.4 13.4 100 17.2 15.4 112 ----- ----- Basin wide percent of average 107 110 UPPER GREEN RIVER BIG SANDY OPENING 9080 6.7 7.7 87 7.3 7.4 99 BLIND BULL SUM 8650 11.3 15.0 75 10.1 12.6 80 EAST RIM DIVIDE 7930 3.4 6.7 51 6.0 6.6 91 ELKHART PARK G.S. 9400 5.3 7.1 75 6.5 7.5 87 GROS VENTRE SUMMIT 8750 7.7 7.8 99 8.8 7.1 124 GUNSIGHT PASS 9820 5.0 -M * 8.7 -M * KENDALL R.S. 7740 5.1 7.7 66 7.2 7.9 91 LOOMIS PARK 8240 7.2 9.1 79 8.8 9.6 92 NEW FORK LAKE 8340 4.2 6.1 69 5.1 6.6 77 SNIDER BASIN 8060 4.9 7.8 63 6.4 9.1 70 SPRING CREEK DIVIDE 9000 10.0 14.1 71 10.9 15.0 73 TRIPLE PEAK 8500 10.3 13.5 76 13.5 13.0 104 ----- ----- Basin wide percent of average 74 88 LOWER GREEN RIVER HAMS FORK 7840 4.5 6.4 70 5.1 6.7 76 HEWINTA 9519 4.6 4.9 94 9.3 7.7 121 HICKERSON PARK 9145 2.7 3.4 79 5.4 4.5 120 HOLE-IN-ROCK 9150 2.2 3.1 71 5.5 4.1 134 INDIAN CREEK 9425 10.1 14.2 71 9.9 13.9 71 KELLEY R.S. 8180 6.4 8.6 74 9.0 11.5 78 STEEL CREEK PARK 10200 6.1 7.5 81 10.1 8.4 120 ----- ----- Basin wide percent of average 76 96 UPPER BEAR RIVER BUG LAKE 7950 7.4 9.9 75 8.5 10.4 82 HAYDEN FORK 9212 8.2 7.4 111 11.7 11.2 104 KELLEY R.S. 8180 6.4 8.6 74 9.0 11.5 78 LILY LAKE 9156 5.8 6.3 92 9.1 9.6 95 MONTE CRISTO 8960 12.9 13.3 97 13.9 13.7 101 SALT RIVER SUMMIT 7760 4.8 6.6 73 7.2 10.3 70 TRIAL LAKE 9992 8.6 12.1 71 11.8 12.8 92 ----- ----- Basin wide percent of average 84 90 ----------------------------------------------------------------------------- -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.