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 30 , 2004 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 14.8 12.4 119 15.8 14.6 108 COTTONWOOD CREEK 7600 13.8 13.9 99 14.9 18.4 81 GRANITE CREEK 6770 12.4 12.1 102 13.2 13.4 99 GRASSY LAKE 7265 26.9 22.5 120 26.4 24.5 108 GROS VENTRE SUMMIT 8775 7.6 9.3 82 7.1 8.6 83 LEWIS LAKE DIVIDE 7860 24.1 22.6 107 24.5 24.4 100 PHILLIPS BENCH 8200 17.6 18.1 97 18.1 19.1 95 SALT RIVER SUMMIT 7600 9.2 9.0 102 10.1 12.4 81 SNAKE RIVER STATION 6920 15.4 12.3 125 14.8 15.3 97 SPRING CREEK DIVIDE 9000 14.8 17.1 87 14.4 18.0 80 THUMB DIVIDE 7980 13.6 11.5 118 12.8 12.5 102 TOGWOTEE PASS 9580 13.9 16.6 84 14.3 16.5 87 TWO OCEAN PLATEAU 9360 19.2 18.6 103 17.2 18.2 95 WILLOW CREEK 8450 19.3 19.8 97 20.7 21.4 97 ----- ----- Basin wide percent of average 103 95 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 14.0 15.9 88 13.8 13.7 101 BLACK BEAR 8170 30.4 25.1 121 -M 25.6 * CANYON 8090 8.7 8.7 100 9.6 10.6 91 FISHER CREEK 9100 21.4 23.4 91 21.4 24.1 89 MADISON PLATEAU 7750 17.8 15.9 112 17.4 17.2 101 NORTHEAST ENTRANCE 7350 5.4 7.5 72 7.8 8.7 90 PARKER PEAK 9400 12.7 14.5 88 10.2 10.9 94 SYLVAN LAKE 8420 11.8 14.9 79 14.1 14.6 97 THUMB DIVIDE 7980 13.6 11.5 118 12.8 12.5 102 TWO OCEAN PLATEAU 9360 19.2 18.6 103 17.2 18.2 95 WHISKEY CREEK 6800 13.2 10.9 121 14.9 13.5 110 WHITE MILL 8700 12.6 15.8 80 14.1 17.9 79 WOLVERINE 7650 6.8 8.4 81 6.4 9.1 70 ----- ----- Basin wide percent of average 98 93 WIND RIVER BURROUGHS CREEK 8750 8.0 9.9 81 9.0 11.1 81 COLD SPRINGS 9630 3.8 5.9 64 3.9 7.0 56 DEER PARK 9700 10.6 11.4 93 12.5 14.3 87 HOBBS PARK 10100 7.2 9.7 74 6.5 8.1 80 LITTLE WARM 9370 5.4 7.7 70 6.2 8.9 70 SOUTH PASS 9040 10.9 11.2 97 10.8 12.0 90 ST. LAWRENCE ALT 8620 3.2 4.7 68 3.6 5.6 64 TOGWOTEE PASS 9580 13.9 16.6 84 14.3 16.5 87 TOWNSEND CREEK 8700 5.3 5.5 96 5.9 7.2 82 ----- ----- Basin wide percent of average 83 80 BIGHORN BASIN BALD MTN. 9380 9.7 13.3 73 8.7 11.6 75 BEAR TRAP MEADOW 8200 4.3 3.4 126 4.0 5.4 74 BLACKWATER 9780 15.2 16.3 93 13.7 14.0 98 BONE SPRINGS DIV 9350 8.5 10.4 82 9.0 9.5 95 EVENING STAR 9200 15.3 19.4 79 18.1 17.3 105 GRAVE SPRINGS 8550 6.1 5.6 109 5.6 6.3 89 KIRWIN 9550 4.1 7.6 54 5.1 7.5 68 MARQUETTE 8760 4.5 5.8 78 4.8 6.1 79 MIDDLE POWDER 7760 6.7 7.1 94 5.4 8.2 66 OWL CREEK 8975 2.5 3.4 74 2.5 3.6 69 POWDER RIVER PASS 9480 6.8 7.1 96 7.5 8.2 91 SHELL CREEK 9580 9.0 9.7 93 8.6 9.1 95 SYLVAN LAKE 8420 11.8 14.9 79 14.1 14.6 97 SYLVAN ROAD 7120 8.5 8.7 98 11.1 13.1 85 TIMBER CREEK 7950 2.2 3.6 61 2.8 4.4 64 YOUNTS PEAK 8350 6.7 11.7 57 8.5 11.2 76 ----- ----- Basin wide percent of average 82 86 SHOSHONE RIVER BLACKWATER 9780 15.2 16.3 93 13.7 14.0 98 EVENING STAR 9200 15.3 19.4 79 18.1 17.3 105 KIRWIN 9550 4.1 7.6 54 5.1 7.5 68 MARQUETTE 8760 4.5 5.8 78 4.8 6.1 79 SYLVAN LAKE 8420 11.8 14.9 79 14.1 14.6 97 SYLVAN ROAD 7120 8.5 8.7 98 11.1 13.1 85 YOUNTS PEAK 8350 6.7 11.7 57 8.5 11.2 76 ----- ----- Basin wide percent of average 78 90 POWDER-TONGUE BEAR TRAP MEADOW 8200 4.3 3.4 126 4.0 5.4 74 BIG GOOSE 7990 4.8 5.9 81 5.3 5.6 95 BONE SPRINGS DIV 9350 8.5 10.4 82 9.0 9.5 95 BURGESS JUNCTION 7880 5.8 7.3 79 5.9 7.8 76 CLOUD PEAK RESERVOIR 9860 7.9 8.0 99 6.9 8.1 85 DOME LAKE 8880 6.7 7.8 86 6.9 8.6 80 GRAVE SPRINGS 8550 6.1 5.6 109 5.6 6.3 89 HANSEN SAWMILL 8360 4.2 4.1 102 4.0 5.2 77 MIDDLE POWDER 7760 6.7 7.1 94 5.4 8.2 66 POWDER RIVER PASS 9480 6.8 7.1 96 7.5 8.2 91 SUCKER CREEK 8880 5.9 7.1 83 -M 8.7 * TIE CREEK 6870 3.4 3.9 87 4.8 6.7 72 ----- ----- Basin wide percent of average 92 82 BELLE FOURCHE BLIND PARK 6890 3.7 5.1 73 5.8 7.7 75 COLE CANYON 5910 3.0 3.9 77 4.1 -M * NORTH RAPID CREEK 6130 3.5 4.9 71 4.8 6.2 77 ----- ----- Basin wide percent of average 73 76 UPPER N. PLATTE RIVER COLUMBINE 9400 13.6 16.1 84 15.6 16.4 95 DIVIDE PEAK 8800 12.0 12.8 94 12.9 13.5 96 ELK RIVER 8700 10.6 11.9 89 13.4 12.5 107 JOE WRIGHT 10120 8.6 13.6 63 11.2 15.9 70 NORTH FRENCH CREEK 10100 14.4 18.1 80 13.5 16.1 84 OLD BATTLE 10000 20.4 19.6 104 22.0 22.0 100 SAGE CREEK BASIN 7850 9.2 7.4 124 10.3 7.8 132 SOUTH BRUSH CREEK 8400 5.9 7.2 82 6.8 10.7 64 TOWER 10500 24.3 29.5 82 25.8 24.9 104 WEBBER SPRINGS 9200 15.7 15.8 99 17.3 17.7 98 WILLOW CREEK PASS 9540 6.1 7.4 82 5.6 8.2 68 ----- ----- Basin wide percent of average 88 93 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 10.4 15.0 69 9.7 14.0 69 CASPER MTN. 7900 6.0 8.9 67 5.3 8.8 60 DEADMAN HILL 10220 6.8 10.4 65 9.3 10.4 89 DEER PARK 9700 10.6 11.4 93 12.5 14.3 87 LAPRELE CREEK 8320 5.4 7.2 75 5.9 8.0 74 RENO HILL 8400 7.1 8.3 86 6.6 9.2 72 ROACH 9700 10.1 10.8 94 11.1 11.5 97 SAND LAKE 10080 13.9 19.6 71 13.5 15.6 87 SOUTH PASS 9040 10.9 11.2 97 10.8 12.0 90 WINDY PEAK 7840 3.1 4.4 70 4.2 6.9 61 ----- ----- Basin wide percent of average 79 80 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 10.3 7.6 136 10.3 9.7 106 DIVIDE PEAK 8800 12.0 12.8 94 12.9 13.5 96 OLD BATTLE 10000 20.4 19.6 104 22.0 22.0 100 SANDSTONE RS 8150 8.0 9.4 85 13.6 12.3 111 WHISKEY PARK 8950 15.6 18.0 87 16.1 19.0 85 ----- ----- Basin wide percent of average 98 98 UPPER GREEN RIVER BIG SANDY OPENING 9100 9.0 9.3 97 8.6 8.8 98 BLIND BULL SUM 8650 15.5 18.1 86 12.3 15.1 81 EAST RIM DIVIDE 7930 7.4 8.3 89 7.7 8.0 96 ELKHART PARK G.S. 9400 8.0 8.6 93 8.3 8.8 94 GROS VENTRE SUMMIT 8775 7.6 9.3 82 7.1 8.6 83 KENDALL R.S. 7740 9.5 9.6 99 9.3 9.5 98 LOOMIS PARK 8240 10.8 11.0 98 11.3 11.6 97 NEW FORK LAKE 8340 7.1 7.5 95 6.6 7.8 85 SNIDER BASIN 8250 8.8 9.6 92 8.9 10.9 82 SPRING CREEK DIVIDE 9000 14.8 17.1 87 14.4 18.0 80 TRIPLE PEAK 8500 14.1 16.3 87 15.3 15.9 96 ----- ----- Basin wide percent of average 90 89 LOWER GREEN RIVER HAMS FORK 7840 7.4 8.2 90 6.6 8.2 80 HEWINTA 9500 -M 6.5 * -M 9.2 * HICKERSON PARK 9150 3.2 4.3 74 5.6 5.1 110 HOLE-IN-ROCK 9150 4.1 4.0 102 4.6 4.7 98 INDIAN CREEK 9425 14.7 17.3 85 13.0 16.5 79 KELLEY R.S. 8180 8.8 10.5 84 10.9 13.7 80 STEEL CREEK PARK 10100 7.0 9.2 76 7.6 9.9 77 ----- ----- Basin wide percent of average 84 83 UPPER BEAR RIVER BUG LAKE 7950 12.5 12.9 97 12.3 12.7 97 HAYDEN FORK 9400 7.2 9.6 75 11.0 13.4 82 KELLEY R.S. 8180 8.8 10.5 84 10.9 13.7 80 LILY LAKE 9050 6.2 8.0 78 8.3 11.3 73 MONTE CRISTO 8960 15.8 17.7 89 15.9 16.4 97 SALT RIVER SUMMIT 7600 9.2 9.0 102 10.1 12.4 81 TRIAL LAKE 9960 13.0 15.4 84 14.3 15.5 92 ----- ----- Basin wide percent of average 87 87 ----------------------------------------------------------------------------- -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.