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 SUNDAY: JANUARY 30 , 2005 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 9.0 12.4 73 10.5 14.6 72 COTTONWOOD CREEK 7600 10.6 13.9 76 13.0 18.4 71 GRANITE CREEK 6770 9.2 12.1 76 11.7 13.4 87 GRASSY LAKE 7265 15.8 22.5 70 17.3 24.5 71 GROS VENTRE SUMMIT 8750 7.9 9.3 85 7.7 8.6 90 LEWIS LAKE DIVIDE 7850 15.1 22.6 67 15.9 24.4 65 PHILLIPS BENCH 8200 15.7 18.1 87 16.3 19.1 85 SALT RIVER SUMMIT 7600 8.4 9.0 93 11.4 12.4 92 SNAKE RIVER STATION 6920 7.9 12.3 64 10.1 15.3 66 SPRING CREEK DIVIDE 9000 16.3 17.1 95 15.8 18.0 88 THUMB DIVIDE 7980 9.6 11.5 83 9.5 12.5 76 TOGWOTEE PASS 9580 11.3 16.6 68 11.4 16.5 69 TWO OCEAN PLATEAU 9240 15.6 18.6 84 12.8 18.2 70 WILLOW CREEK 8450 14.7 19.8 74 17.6 21.4 82 ----- ----- Basin wide percent of average 77 76 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 9.8 15.9 62 8.6 13.7 63 BLACK BEAR 8170 23.7 25.1 94 22.5 25.6 88 CANYON 8090 6.2 8.7 71 7.6 10.6 72 FISHER CREEK 9100 16.6 23.4 71 16.3 24.1 68 MADISON PLATEAU 7750 14.1 15.9 89 15.3 17.2 89 NORTHEAST ENTRANCE 7350 3.6 7.5 48 5.0 8.7 57 PARKER PEAK 9400 10.6 14.5 73 8.7 10.9 80 SYLVAN LAKE 8420 9.9 14.9 66 11.4 14.6 78 THUMB DIVIDE 7980 9.6 11.5 83 9.5 12.5 76 TWO OCEAN PLATEAU 9240 15.6 18.6 84 12.8 18.2 70 WHISKEY CREEK 6800 9.7 10.9 89 12.7 13.5 94 WHITE MILL 8700 10.7 15.8 68 10.4 17.9 58 WOLVERINE 7650 5.0 8.4 60 5.0 9.1 55 ----- ----- Basin wide percent of average 76 74 WIND RIVER BURROUGHS CREEK 8750 6.5 9.9 66 6.7 11.1 60 COLD SPRINGS 9630 5.5 5.9 93 5.9 7.0 84 DEER PARK 9700 16.2 11.4 142 18.6 14.3 130 HOBBS PARK 10100 10.9 9.7 112 9.8 8.1 121 LITTLE WARM 9370 5.6 7.7 73 6.2 8.9 70 SOUTH PASS 9040 14.2 11.2 127 15.1 12.0 126 ST. LAWRENCE ALT 8620 5.0 4.7 106 6.1 5.6 109 TOGWOTEE PASS 9580 11.3 16.6 68 11.4 16.5 69 TOWNSEND CREEK 8700 7.3 5.5 133 10.1 7.2 140 ----- ----- Basin wide percent of average 100 99 BIGHORN BASIN BALD MTN. 9380 9.8 13.3 74 9.3 11.6 80 BEAR TRAP MEADOW 8200 2.5 3.4 74 4.8 5.4 89 BLACKWATER 9780 9.4 16.3 58 8.8 14.0 63 BONE SPRINGS DIV 9350 8.9 10.4 86 8.6 9.5 91 EVENING STAR 9200 11.7 19.4 60 13.1 17.3 76 GRAVE SPRINGS 8550 3.9 5.6 70 5.7 6.3 90 KIRWIN 9550 4.6 7.6 61 5.3 7.5 71 MARQUETTE 8760 2.2 5.8 38 3.8 6.1 62 MIDDLE POWDER 7760 4.1 7.1 58 5.2 8.2 63 OWL CREEK 8975 2.3 3.4 68 2.6 3.6 72 POWDER RIVER PASS 9480 7.4 7.1 104 8.2 8.2 100 SHELL CREEK 9580 8.5 9.7 88 7.5 9.1 82 SYLVAN LAKE 8420 9.9 14.9 66 11.4 14.6 78 SYLVAN ROAD 7120 5.6 8.7 64 8.1 13.1 62 TIMBER CREEK 7950 1.1 3.6 31 1.8 4.4 41 YOUNTS PEAK 8350 7.0 11.7 60 7.2 11.2 64 ----- ----- Basin wide percent of average 67 74 SHOSHONE RIVER BLACKWATER 9780 9.4 16.3 58 8.8 14.0 63 EVENING STAR 9200 11.7 19.4 60 13.1 17.3 76 KIRWIN 9550 4.6 7.6 61 5.3 7.5 71 MARQUETTE 8760 2.2 5.8 38 3.8 6.1 62 SYLVAN LAKE 8420 9.9 14.9 66 11.4 14.6 78 SYLVAN ROAD 7120 5.6 8.7 64 8.1 13.1 62 YOUNTS PEAK 8350 7.0 11.7 60 7.2 11.2 64 ----- ----- Basin wide percent of average 60 69 POWDER-TONGUE BEAR TRAP MEADOW 8200 2.5 3.4 74 4.8 5.4 89 BIG GOOSE 7990 3.9 5.9 66 5.2 5.6 93 BONE SPRINGS DIV 9350 8.9 10.4 86 8.6 9.5 91 BURGESS JUNCTION 7880 4.4 7.3 60 5.2 7.8 67 CLOUD PEAK RESERVOIR 9860 8.5 8.0 106 6.5 8.1 80 DOME LAKE 8880 6.2 7.8 79 7.0 8.6 81 GRAVE SPRINGS 8550 3.9 5.6 70 5.7 6.3 90 HANSEN SAWMILL 8360 3.4 4.1 83 4.5 5.2 87 MIDDLE POWDER 7760 4.1 7.1 58 5.2 8.2 63 POWDER RIVER PASS 9480 7.4 7.1 104 8.2 8.2 100 SUCKER CREEK 8880 6.2 7.1 87 7.3 8.7 84 TIE CREEK 6870 .0 3.9 0 4.7 6.7 70 ----- ----- Basin wide percent of average 76 83 BELLE FOURCHE BLIND PARK 6890 3.1 5.1 61 5.3 7.7 69 COLE CANYON 5910 1.5 3.9 38 4.4 -M * NORTH RAPID CREEK 6130 1.9 4.9 39 4.0 6.2 65 ----- ----- Basin wide percent of average 47 67 UPPER N. PLATTE RIVER COLUMBINE 9160 12.8 16.1 80 14.1 16.4 86 DIVIDE PEAK 8860 14.2 12.8 111 17.0 13.5 126 ELK RIVER 8700 13.9 11.9 117 14.7 12.5 118 JOE WRIGHT 10120 12.3 13.6 90 12.7 15.9 80 NORTH FRENCH CREEK 10130 15.7 18.1 87 15.4 16.1 96 OLD BATTLE 9920 23.9 19.6 122 25.9 22.0 118 SAGE CREEK BASIN 7850 10.5 7.4 142 12.5 7.8 160 SOUTH BRUSH CREEK 8440 6.2 7.2 86 8.1 10.7 76 TOWER 10500 24.0 29.5 81 24.2 24.9 97 WEBBER SPRINGS 9250 16.6 15.8 105 19.3 17.7 109 WILLOW CREEK PASS 9540 10.1 7.4 136 9.6 8.2 117 ----- ----- Basin wide percent of average 101 105 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10220 11.5 15.0 77 11.5 14.0 82 CASPER MTN. 7850 6.2 8.9 70 7.6 8.8 86 DEADMAN HILL 10220 10.5 10.4 101 8.3 10.4 80 DEER PARK 9700 16.2 11.4 142 18.6 14.3 130 LAPRELE CREEK 8375 4.3 7.2 60 6.4 8.0 80 RENO HILL 8500 5.1 8.3 61 5.9 9.2 64 ROACH 9700 9.6 10.8 89 12.2 11.5 106 SAND LAKE 10050 14.1 19.6 72 12.6 15.6 81 SOUTH PASS 9040 14.2 11.2 127 15.1 12.0 126 WINDY PEAK 7900 -M 4.4 * -M 6.9 * ----- ----- Basin wide percent of average 89 95 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 8.4 7.6 111 10.3 9.7 106 DIVIDE PEAK 8860 14.2 12.8 111 17.0 13.5 126 OLD BATTLE 9920 23.9 19.6 122 25.9 22.0 118 SANDSTONE RS 8150 7.5 9.4 80 13.5 12.3 110 WHISKEY PARK 8950 16.7 18.0 93 18.1 19.0 95 ----- ----- Basin wide percent of average 105 111 UPPER GREEN RIVER BIG SANDY OPENING 9080 11.5 9.3 124 11.2 8.8 127 BLIND BULL SUM 8900 12.7 18.1 70 11.3 15.1 75 EAST RIM DIVIDE 7930 5.7 8.3 69 6.7 8.0 84 ELKHART PARK G.S. 9400 7.8 8.6 91 9.0 8.8 102 GROS VENTRE SUMMIT 8750 7.9 9.3 85 7.7 8.6 90 KENDALL R.S. 7740 7.8 9.6 81 8.7 9.5 92 LOOMIS PARK 8240 9.3 11.0 85 9.9 11.6 85 NEW FORK LAKE 8340 6.8 7.5 91 6.6 7.8 85 SNIDER BASIN 8060 9.9 9.6 103 10.5 10.9 96 SPRING CREEK DIVIDE 9000 16.3 17.1 95 15.8 18.0 88 TRIPLE PEAK 8500 12.1 16.3 74 13.2 15.9 83 ----- ----- Basin wide percent of average 86 90 LOWER GREEN RIVER HAMS FORK 7840 8.1 8.2 99 9.4 8.2 115 HEWINTA 9500 6.0 6.5 92 8.5 9.2 92 HICKERSON PARK 9100 5.8 4.3 135 8.1 5.1 159 HOLE-IN-ROCK 9150 5.2 4.0 130 7.3 4.7 155 INDIAN CREEK 9425 18.7 17.3 108 16.9 16.5 102 KELLEY R.S. 8180 11.6 10.5 110 13.4 13.7 98 STEEL CREEK PARK 10100 10.5 9.2 114 11.1 9.9 112 ----- ----- Basin wide percent of average 110 111 UPPER BEAR RIVER BUG LAKE 7950 14.5 12.9 112 17.0 12.7 134 HAYDEN FORK 9100 12.6 9.6 131 17.8 13.4 133 KELLEY R.S. 8180 11.6 10.5 110 13.4 13.7 98 LILY LAKE 9050 10.3 8.0 129 12.9 11.3 114 MONTE CRISTO 8960 21.0 17.7 119 21.5 16.4 131 SALT RIVER SUMMIT 7600 8.4 9.0 93 11.4 12.4 92 TRIAL LAKE 9960 21.4 15.4 139 23.0 15.5 148 ----- ----- Basin wide percent of average 120 123 ----------------------------------------------------------------------------- -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.