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 TUESDAY: FEBRUARY 3 , 2004 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 15.4 12.9 119 16.3 15.2 107 COTTONWOOD CREEK 7600 14.4 14.5 99 15.5 19.0 82 GRANITE CREEK 6770 12.9 12.7 102 13.5 14.0 96 GRASSY LAKE 7265 28.1 23.5 120 27.1 25.4 107 GROS VENTRE SUMMIT 8775 7.8 9.6 81 7.4 8.8 84 LEWIS LAKE DIVIDE 7860 25.4 23.6 108 25.3 25.4 100 PHILLIPS BENCH 8200 18.5 18.9 98 18.8 19.9 94 SALT RIVER SUMMIT 7600 9.3 9.4 99 10.3 12.8 80 SNAKE RIVER STATION 6920 16.1 12.9 125 15.0 15.9 94 SPRING CREEK DIVIDE 9000 15.4 17.7 87 14.8 18.6 80 THUMB DIVIDE 7980 14.3 12.0 119 13.2 12.9 102 TOGWOTEE PASS 9580 14.6 17.2 85 15.0 17.1 88 TWO OCEAN PLATEAU 9360 20.1 19.3 104 17.7 18.9 94 WILLOW CREEK 8450 20.3 20.6 99 21.4 22.2 96 ----- ----- Basin wide percent of average 103 94 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 14.4 16.5 87 14.6 14.2 103 BLACK BEAR 8170 31.8 26.1 122 -M 26.6 * CANYON 8090 9.3 9.1 102 10.0 11.0 91 FISHER CREEK 9100 22.4 24.2 93 21.8 25.0 87 MADISON PLATEAU 7750 18.9 16.5 115 18.0 17.8 101 NORTHEAST ENTRANCE 7350 5.5 7.9 70 7.9 9.0 88 PARKER PEAK 9400 13.3 15.0 89 10.4 11.3 92 SYLVAN LAKE 8420 12.3 15.4 80 14.7 15.0 98 THUMB DIVIDE 7980 14.3 12.0 119 13.2 12.9 102 TWO OCEAN PLATEAU 9360 20.1 19.3 104 17.7 18.9 94 WHISKEY CREEK 6800 13.8 11.3 122 15.6 14.1 111 WHITE MILL 8700 13.1 16.4 80 14.4 18.6 77 WOLVERINE 7650 7.0 8.8 80 6.9 9.3 74 ----- ----- Basin wide percent of average 99 93 WIND RIVER BURROUGHS CREEK 8750 8.3 10.3 81 9.2 11.5 80 COLD SPRINGS 9630 3.8 6.1 62 4.1 7.2 57 DEER PARK 9700 10.9 12.0 91 12.8 14.7 87 HOBBS PARK 10100 7.5 9.9 76 6.6 8.3 80 LITTLE WARM 9370 5.6 7.9 71 6.4 9.2 70 SOUTH PASS 9040 11.2 11.6 97 11.1 12.4 90 ST. LAWRENCE ALT 8620 3.1 4.9 63 3.6 5.8 62 TOGWOTEE PASS 9580 14.6 17.2 85 15.0 17.1 88 TOWNSEND CREEK 8700 5.2 5.7 91 6.1 7.4 82 ----- ----- Basin wide percent of average 82 80 BIGHORN BASIN BALD MTN. 9380 9.8 13.6 72 8.5 12.0 71 BEAR TRAP MEADOW 8200 4.0 3.6 111 3.9 5.6 70 BLACKWATER 9780 15.7 16.8 93 14.1 14.4 98 BONE SPRINGS DIV 9350 8.7 10.8 81 8.9 9.7 92 EVENING STAR 9200 16.1 20.1 80 18.7 17.9 104 GRAVE SPRINGS 8550 6.0 5.8 103 5.6 6.5 86 KIRWIN 9550 4.2 7.8 54 5.2 7.7 68 MARQUETTE 8760 4.5 6.0 75 4.9 6.3 78 MIDDLE POWDER 7760 6.5 7.3 89 5.4 8.4 64 OWL CREEK 8975 2.4 3.4 71 2.5 3.8 66 POWDER RIVER PASS 9480 6.8 7.3 93 7.3 8.4 87 SHELL CREEK 9580 9.0 10.0 90 8.7 9.4 93 SYLVAN LAKE 8420 12.3 15.4 80 14.7 15.0 98 SYLVAN ROAD 7120 8.8 9.0 98 11.4 13.5 84 TIMBER CREEK 7950 2.1 3.6 58 2.9 4.6 63 YOUNTS PEAK 8350 6.5 12.2 53 8.9 11.6 77 ----- ----- Basin wide percent of average 81 85 SHOSHONE RIVER BLACKWATER 9780 15.7 16.8 93 14.1 14.4 98 EVENING STAR 9200 16.1 20.1 80 18.7 17.9 104 KIRWIN 9550 4.2 7.8 54 5.2 7.7 68 MARQUETTE 8760 4.5 6.0 75 4.9 6.3 78 SYLVAN LAKE 8420 12.3 15.4 80 14.7 15.0 98 SYLVAN ROAD 7120 8.8 9.0 98 11.4 13.5 84 YOUNTS PEAK 8350 6.5 12.2 53 8.9 11.6 77 ----- ----- Basin wide percent of average 78 90 POWDER-TONGUE BEAR TRAP MEADOW 8200 4.0 3.6 111 3.9 5.6 70 BIG GOOSE 7990 4.6 6.1 75 5.1 5.8 88 BONE SPRINGS DIV 9350 8.7 10.8 81 8.9 9.7 92 BURGESS JUNCTION 7880 5.8 7.5 77 5.8 8.0 72 CLOUD PEAK RESERVOIR 9860 7.9 8.2 96 6.5 8.3 78 DOME LAKE 8880 6.7 8.0 84 7.1 8.8 81 GRAVE SPRINGS 8550 6.0 5.8 103 5.6 6.5 86 HANSEN SAWMILL 8360 4.2 4.3 98 4.0 5.4 74 MIDDLE POWDER 7760 6.5 7.3 89 5.4 8.4 64 POWDER RIVER PASS 9480 6.8 7.3 93 7.3 8.4 87 SUCKER CREEK 8880 6.1 7.3 84 6.9 8.9 78 TIE CREEK 6870 3.3 4.1 80 4.7 6.9 68 ----- ----- Basin wide percent of average 88 79 BELLE FOURCHE BLIND PARK 6890 3.5 5.3 66 5.7 7.9 72 COLE CANYON 5910 2.8 4.1 68 3.9 -M * NORTH RAPID CREEK 6130 -M 5.1 * 4.4 6.4 69 ----- ----- Basin wide percent of average 67 71 UPPER N. PLATTE RIVER COLUMBINE 9400 14.3 16.9 85 15.8 17.0 93 DIVIDE PEAK 8800 12.4 13.2 94 13.4 13.9 96 ELK RIVER 8700 11.8 12.5 94 13.8 12.9 107 JOE WRIGHT 10120 8.9 14.1 63 11.4 16.5 69 NORTH FRENCH CREEK 10100 15.0 18.7 80 13.8 16.7 83 OLD BATTLE 10000 21.1 20.4 103 22.6 22.8 99 SAGE CREEK BASIN 7850 9.5 7.6 125 10.6 8.0 132 SOUTH BRUSH CREEK 8400 6.2 7.6 82 6.9 11.1 62 TOWER 10500 25.2 30.6 82 26.4 25.9 102 WEBBER SPRINGS 9200 16.2 16.4 99 17.7 18.3 97 WILLOW CREEK PASS 9540 6.2 7.6 82 5.6 8.5 66 ----- ----- Basin wide percent of average 89 92 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 10.5 15.6 67 9.9 14.5 68 CASPER MTN. 7900 5.8 9.2 63 5.1 9.1 56 DEADMAN HILL 10220 6.9 10.8 64 9.5 10.8 88 DEER PARK 9700 10.9 12.0 91 12.8 14.7 87 LAPRELE CREEK 8320 5.4 7.4 73 5.8 8.2 71 RENO HILL 8400 7.1 8.5 84 6.5 9.5 68 ROACH 9700 10.4 11.2 93 11.3 11.9 95 SAND LAKE 10080 14.4 20.2 71 13.9 16.1 86 SOUTH PASS 9040 11.2 11.6 97 11.1 12.4 90 WINDY PEAK 7840 3.0 4.6 65 4.2 7.1 59 ----- ----- Basin wide percent of average 77 79 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 10.5 7.9 133 10.6 10.1 105 DIVIDE PEAK 8800 12.4 13.2 94 13.4 13.9 96 OLD BATTLE 10000 21.1 20.4 103 22.6 22.8 99 SANDSTONE RS 8150 8.1 9.9 82 13.9 12.7 109 WHISKEY PARK 8950 16.4 18.9 87 16.3 19.7 83 ----- ----- Basin wide percent of average 97 97 UPPER GREEN RIVER BIG SANDY OPENING 9100 9.0 9.7 93 8.6 9.2 93 BLIND BULL SUM 8650 16.3 18.7 87 12.8 15.7 82 EAST RIM DIVIDE 7930 7.5 8.7 86 7.7 8.2 94 ELKHART PARK G.S. 9400 8.1 9.0 90 8.5 9.0 94 GROS VENTRE SUMMIT 8775 7.8 9.6 81 7.4 8.8 84 KENDALL R.S. 7740 10.1 10.0 101 9.8 9.9 99 LOOMIS PARK 8240 11.3 11.4 99 11.5 12.0 96 NEW FORK LAKE 8340 7.2 7.8 92 6.7 8.0 84 SNIDER BASIN 8250 9.1 10.0 91 9.1 11.3 81 SPRING CREEK DIVIDE 9000 15.4 17.7 87 14.8 18.6 80 TRIPLE PEAK 8500 14.7 16.9 87 16.0 16.5 97 ----- ----- Basin wide percent of average 90 89 LOWER GREEN RIVER HAMS FORK 7840 7.6 8.6 88 6.8 8.5 80 HEWINTA 9500 -M 6.9 * -M 9.5 * HICKERSON PARK 9150 3.3 4.5 73 5.5 5.3 104 HOLE-IN-ROCK 9150 4.0 4.2 95 4.3 4.9 88 INDIAN CREEK 9425 15.3 17.9 85 13.4 17.1 78 KELLEY R.S. 8180 10.2 10.9 94 11.0 14.1 78 STEEL CREEK PARK 10100 7.3 9.6 76 7.7 10.3 75 ----- ----- Basin wide percent of average 86 81 UPPER BEAR RIVER BUG LAKE 7950 12.9 13.5 96 12.4 13.1 95 HAYDEN FORK 9400 7.6 10.0 76 11.2 13.8 81 KELLEY R.S. 8180 10.2 10.9 94 11.0 14.1 78 LILY LAKE 9050 6.5 8.4 77 8.6 11.7 74 MONTE CRISTO 8960 16.4 18.7 88 16.4 17.0 96 SALT RIVER SUMMIT 7600 9.3 9.4 99 10.3 12.8 80 TRIAL LAKE 9960 13.4 16.0 84 14.7 16.1 91 ----- ----- Basin wide percent of average 88 86 ----------------------------------------------------------------------------- -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.