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 18 , 2008 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 9.8 10.7 92 16.3 13.0 125 COTTONWOOD CREEK 7670 11.3 12.3 92 14.2 16.7 85 GRAND TARGHEE 9260 27.0 -M * 20.3 -M * GRANITE CREEK 6770 8.5 10.3 83 14.1 11.9 118 GRASSY LAKE 7265 16.0 19.3 83 24.1 21.9 110 GROS VENTRE SUMMIT 8750 7.7 8.4 92 9.1 7.7 118 GUNSIGHT PASS 9820 5.0 -M * 8.9 -M * LEWIS LAKE DIVIDE 7850 16.8 19.3 87 22.7 21.8 104 PHILLIPS BENCH 8200 15.3 15.9 96 19.1 17.0 112 SALT RIVER SUMMIT 7760 5.4 7.5 72 7.7 11.1 69 SNAKE RIVER STATION 6920 8.4 10.4 81 16.3 13.6 120 SPRING CREEK DIVIDE 9000 11.1 15.2 73 11.8 16.2 73 THUMB DIVIDE 7980 8.2 9.9 83 11.7 11.3 104 TOGWOTEE PASS 9580 16.0 14.6 110 17.8 14.8 120 TWO OCEAN PLATEAU 9240 21.2 16.5 128 18.8 16.3 115 WILLOW CREEK 8380 15.1 17.6 86 20.6 19.2 107 ----- ----- Basin wide percent of average 91 106 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9360 14.7 14.4 102 14.1 12.2 116 BLACK BEAR 8170 24.8 22.3 111 25.6 22.5 114 CANYON 7870 9.2 7.8 118 12.2 9.5 128 FISHER CREEK 9100 24.4 21.0 116 22.4 21.5 104 MADISON PLATEAU 7750 15.2 14.3 106 18.9 15.2 124 NORTHEAST ENTRANCE 7350 4.0 6.7 60 8.1 7.8 104 PARKER PEAK 9400 14.4 13.1 110 13.6 9.8 139 SYLVAN LAKE 8420 11.3 13.2 86 15.7 13.1 120 THUMB DIVIDE 7980 8.2 9.9 83 11.7 11.3 104 TWO OCEAN PLATEAU 9240 21.2 16.5 128 18.8 16.3 115 WHISKEY CREEK 6800 9.2 9.6 96 15.1 12.2 124 WHITE MILL 8700 15.1 14.3 106 -M 15.9 * WOLVERINE 7650 4.6 7.6 61 8.0 8.2 98 ----- ----- Basin wide percent of average 103 115 WIND RIVER BURROUGHS CREEK 8750 9.3 9.0 103 12.0 9.9 121 COLD SPRINGS 9630 3.0 5.5 55 6.0 6.5 92 DEER PARK 9700 7.7 9.7 79 11.3 12.9 88 HOBBS PARK 10100 6.6 9.0 73 7.6 7.4 103 LITTLE WARM 9370 5.3 6.9 77 8.1 8.2 99 SOUTH PASS 9040 6.6 10.0 66 9.6 10.8 89 ST. LAWRENCE ALT 8620 2.8 4.4 64 4.7 5.2 90 TOGWOTEE PASS 9580 16.0 14.6 110 17.8 14.8 120 TOWNSEND CREEK 8700 3.7 5.1 73 6.9 6.7 103 ----- ----- Basin wide percent of average 82 102 BIGHORN BASIN BALD MTN. 9380 8.9 12.0 74 10.0 10.4 96 BEAR TRAP MEADOW 8200 4.9 3.1 158 5.9 5.0 118 BLACKWATER 9780 13.9 14.7 95 13.4 12.7 106 BONE SPRINGS DIV 9350 8.7 9.6 91 11.4 8.6 133 EVENING STAR 9200 16.0 17.4 92 19.1 15.7 122 GRAVE SPRINGS 8550 4.5 5.0 90 5.9 5.9 100 KIRWIN 9550 7.5 7.1 106 9.1 6.9 132 MARQUETTE 8760 1.7 5.5 31 6.0 5.8 103 MIDDLE POWDER 7760 5.3 6.5 82 5.4 7.6 71 OWL CREEK 8975 2.9 3.1 94 4.5 3.3 136 POWDER RIVER PASS 9480 6.7 6.5 103 8.6 7.3 118 SHELL CREEK 9580 9.3 9.0 103 9.5 8.1 117 SYLVAN LAKE 8420 11.3 13.2 86 15.7 13.1 120 SYLVAN ROAD 7120 5.5 7.8 71 13.7 12.0 114 TIMBER CREEK 7950 1.8 3.4 53 5.5 4.1 134 YOUNTS PEAK 8350 9.5 10.4 91 11.6 10.1 115 ----- ----- Basin wide percent of average 88 114 SHOSHONE RIVER BLACKWATER 9780 13.9 14.7 95 13.4 12.7 106 EVENING STAR 9200 16.0 17.4 92 19.1 15.7 122 KIRWIN 9550 7.5 7.1 106 9.1 6.9 132 MARQUETTE 8760 1.7 5.5 31 6.0 5.8 103 SYLVAN LAKE 8420 11.3 13.2 86 15.7 13.1 120 SYLVAN ROAD 7120 5.5 7.8 71 13.7 12.0 114 YOUNTS PEAK 8350 9.5 10.4 91 11.6 10.1 115 ----- ----- Basin wide percent of average 86 116 POWDER-TONGUE BEAR TRAP MEADOW 8200 4.9 3.1 158 5.9 5.0 118 BIG GOOSE 7990 4.9 5.3 92 7.8 4.9 159 BONE SPRINGS DIV 9350 8.7 9.6 91 11.4 8.6 133 BURGESS JUNCTION 7880 6.2 6.7 93 8.1 7.1 114 CLOUD PEAK RESERVOIR 9860 7.9 7.2 110 9.3 7.4 126 DOME LAKE 8880 5.6 7.2 78 8.9 7.9 113 GRAVE SPRINGS 8550 4.5 5.0 90 5.9 5.9 100 HANSEN SAWMILL 8360 3.5 3.8 92 5.6 4.8 117 MIDDLE POWDER 7760 5.3 6.5 82 5.4 7.6 71 POWDER RIVER PASS 9480 6.7 6.5 103 8.6 7.3 118 SUCKER CREEK 8880 6.9 6.4 108 8.5 7.8 109 TIE CREEK 6870 2.9 3.7 78 7.0 6.0 117 ----- ----- Basin wide percent of average 96 115 BELLE FOURCHE BLIND PARK 6890 3.1 4.6 67 5.6 7.1 79 COLE CANYON 5910 2.6 3.9 67 3.9 4.3 91 NORTH RAPID CREEK 6130 3.8 4.2 90 4.1 5.9 69 ----- ----- Basin wide percent of average 75 79 UPPER N. PLATTE RIVER COLUMBINE 9160 12.4 13.5 92 15.1 14.5 104 DIVIDE PEAK 8880 13.2 11.4 116 13.6 12.2 111 ELK RIVER 8700 11.6 10.0 116 13.0 11.1 117 JOE WRIGHT 10120 12.6 12.0 105 15.1 14.4 105 NORTH FRENCH CREEK 10130 17.4 16.3 107 17.8 14.5 123 OLD BATTLE 10000 17.2 17.5 98 20.7 19.7 105 SAGE CREEK BASIN 7850 9.4 6.6 142 10.8 7.1 152 SOUTH BRUSH CREEK 8440 7.4 6.4 116 10.6 9.5 112 TOWER 10500 21.2 25.8 82 21.8 22.2 98 WEBBER SPRINGS 9250 13.0 13.9 94 16.1 16.1 100 WILLOW CREEK PASS 9540 8.6 6.6 130 9.5 7.4 128 ----- ----- Basin wide percent of average 103 110 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 11.0 13.4 82 12.2 12.6 97 CASPER MTN. 7900 5.8 8.1 72 8.3 8.1 102 DEADMAN HILL 10220 9.3 9.3 100 9.6 9.4 102 DEER PARK 9700 7.7 9.7 79 11.3 12.9 88 LAPRELE CREEK 8375 2.9 6.4 45 5.6 7.3 77 RENO HILL 8400 6.3 7.6 83 8.2 8.5 96 ROACH 9700 10.9 9.3 117 13.0 10.3 126 SAND LAKE 10050 14.8 17.7 84 15.1 14.2 106 SOUTH PASS 9040 6.6 10.0 66 9.6 10.8 89 WINDY PEAK 7900 3.6 4.0 90 5.3 6.4 83 ----- ----- Basin wide percent of average 83 98 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 8.2 6.2 132 10.3 8.7 118 DIVIDE PEAK 8880 13.2 11.4 116 13.6 12.2 111 OLD BATTLE 10000 17.2 17.5 98 20.7 19.7 105 SANDSTONE RS 8150 8.7 7.7 113 12.2 11.0 111 WHISKEY PARK 8950 15.5 15.2 102 19.1 17.0 112 ----- ----- Basin wide percent of average 108 111 UPPER GREEN RIVER BIG SANDY OPENING 9080 6.8 8.3 82 7.3 8.0 91 BLIND BULL SUM 8650 12.4 16.2 77 10.6 13.6 78 EAST RIM DIVIDE 7930 3.6 7.3 49 6.2 7.1 87 ELKHART PARK G.S. 9400 5.6 7.7 73 6.7 8.0 84 GROS VENTRE SUMMIT 8750 7.7 8.4 92 9.1 7.7 118 GUNSIGHT PASS 9820 5.0 -M * 8.9 -M * KENDALL R.S. 7740 5.2 8.5 61 7.4 8.5 87 LOOMIS PARK 8240 7.6 9.8 78 9.2 10.4 88 NEW FORK LAKE 8340 4.5 6.7 67 5.3 7.1 75 SNIDER BASIN 8060 5.4 8.5 64 7.0 9.8 71 SPRING CREEK DIVIDE 9000 11.1 15.2 73 11.8 16.2 73 TRIPLE PEAK 8500 11.4 14.6 78 14.5 14.1 103 ----- ----- Basin wide percent of average 73 86 LOWER GREEN RIVER HAMS FORK 7840 4.8 7.1 68 5.4 7.3 74 HEWINTA 9519 5.1 5.5 93 10.0 8.2 122 HICKERSON PARK 9145 3.1 3.7 84 5.7 4.7 121 HOLE-IN-ROCK 9150 2.4 3.4 71 5.8 4.4 132 INDIAN CREEK 9425 10.8 15.4 70 10.5 14.9 70 KELLEY R.S. 8180 6.7 9.2 73 9.3 12.4 75 STEEL CREEK PARK 10200 7.1 8.1 88 11.1 9.0 123 ----- ----- Basin wide percent of average 76 95 UPPER BEAR RIVER BUG LAKE 7950 7.8 11.0 71 8.9 11.3 79 HAYDEN FORK 9212 9.2 8.2 112 12.5 12.1 103 KELLEY R.S. 8180 6.7 9.2 73 9.3 12.4 75 LILY LAKE 9156 6.7 6.9 97 10.0 10.2 98 MONTE CRISTO 8960 13.9 14.9 93 14.7 14.7 100 SALT RIVER SUMMIT 7760 5.4 7.5 72 7.7 11.1 69 TRIAL LAKE 9992 -M 13.3 * -M 13.9 * ----- ----- Basin wide percent of average 86 88 ----------------------------------------------------------------------------- -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.