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: MARCH 26 , 2006 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 20.6 17.8 116 24.6 21.1 117 COTTONWOOD CREEK 7600 28.0 23.2 121 30.0 26.9 112 GRANITE CREEK 6770 20.6 18.4 112 22.7 19.6 116 GRASSY LAKE 7265 37.3 34.9 107 40.8 35.4 115 GROS VENTRE SUMMIT 8750 11.8 13.9 85 12.2 12.6 97 LEWIS LAKE DIVIDE 7850 40.4 34.7 116 38.4 36.1 106 PHILLIPS BENCH 8200 32.1 28.2 114 32.2 28.5 113 SALT RIVER SUMMIT 7600 15.8 14.2 111 18.6 18.4 101 SNAKE RIVER STATION 6920 21.1 18.9 112 25.6 21.9 117 SPRING CREEK DIVIDE 9000 29.7 26.0 114 -M 26.0 * THUMB DIVIDE 7980 18.7 18.6 101 18.4 18.5 99 TOGWOTEE PASS 9580 23.9 24.3 98 24.8 24.1 103 TWO OCEAN PLATEAU 9240 34.3 27.4 125 27.8 27.1 103 WILLOW CREEK 8450 34.1 29.7 115 38.2 31.5 121 ----- ----- Basin wide percent of average 112 110 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 21.0 23.0 91 18.5 19.7 94 BLACK BEAR 8170 47.1 38.6 122 -M 39.4 * CANYON 8090 14.2 13.5 105 16.8 15.1 111 FISHER CREEK 9100 38.3 34.3 112 36.2 35.6 102 MADISON PLATEAU 7750 26.2 24.7 106 -M 26.1 * NORTHEAST ENTRANCE 7350 9.9 11.1 89 12.0 12.4 97 PARKER PEAK 9400 17.9 21.2 84 16.2 15.9 102 SYLVAN LAKE 8420 17.3 22.0 79 21.3 20.5 104 THUMB DIVIDE 7980 18.7 18.6 101 18.4 18.5 99 TWO OCEAN PLATEAU 9240 34.3 27.4 125 27.8 27.1 103 WHISKEY CREEK 6800 15.6 16.9 92 22.5 20.5 110 WHITE MILL 8700 24.9 23.8 105 22.7 26.4 86 WOLVERINE 7650 8.5 11.5 74 9.0 12.6 71 ----- ----- Basin wide percent of average 103 99 WIND RIVER BURROUGHS CREEK 8750 13.6 14.3 95 15.8 15.9 99 COLD SPRINGS 9630 5.6 8.6 65 8.4 10.3 82 DEER PARK 9700 16.5 16.5 100 19.9 21.3 93 HOBBS PARK 10100 10.8 14.4 75 11.4 12.3 93 LITTLE WARM 9370 8.9 11.5 77 11.4 13.0 88 SOUTH PASS 9040 15.7 16.2 97 16.3 17.9 91 ST. LAWRENCE ALT 8620 3.9 7.1 55 6.5 8.5 76 TOGWOTEE PASS 9580 23.9 24.3 98 24.8 24.1 103 TOWNSEND CREEK 8700 6.5 8.4 77 9.2 11.2 82 ----- ----- Basin wide percent of average 87 92 BIGHORN BASIN BALD MTN. 9380 14.4 19.1 75 11.8 16.8 70 BEAR TRAP MEADOW 8200 5.7 5.1 112 7.4 7.9 94 BLACKWATER 9780 21.5 24.0 90 19.4 20.0 97 BONE SPRINGS DIV 9350 13.3 15.7 85 13.6 14.1 96 EVENING STAR 9200 24.0 29.1 82 26.7 24.8 108 GRAVE SPRINGS 8550 9.0 9.0 100 10.8 9.3 116 KIRWIN 9550 9.5 11.0 86 10.4 10.9 95 MARQUETTE 8760 2.5 8.5 29 7.2 9.4 77 MIDDLE POWDER 7760 11.3 11.2 101 9.4 11.9 79 OWL CREEK 8975 3.2 5.3 60 5.9 5.6 105 POWDER RIVER PASS 9480 9.2 10.5 88 10.9 11.9 92 SHELL CREEK 9580 13.1 14.2 92 12.0 12.9 93 SYLVAN LAKE 8420 17.3 22.0 79 21.3 20.5 104 SYLVAN ROAD 7120 10.0 12.7 79 15.9 17.4 91 TIMBER CREEK 7950 2.4 5.5 44 4.8 7.0 69 YOUNTS PEAK 8350 -M 16.7 * 16.8 15.8 106 ----- ----- Basin wide percent of average 82 94 SHOSHONE RIVER BLACKWATER 9780 21.5 24.0 90 19.4 20.0 97 EVENING STAR 9200 24.0 29.1 82 26.7 24.8 108 KIRWIN 9550 9.5 11.0 86 10.4 10.9 95 MARQUETTE 8760 2.5 8.5 29 7.2 9.4 77 SYLVAN LAKE 8420 17.3 22.0 79 21.3 20.5 104 SYLVAN ROAD 7120 10.0 12.7 79 15.9 17.4 91 YOUNTS PEAK 8350 -M 16.7 * 16.8 15.8 106 ----- ----- Basin wide percent of average 79 99 POWDER-TONGUE BEAR TRAP MEADOW 8200 5.7 5.1 112 7.4 7.9 94 BIG GOOSE 7990 6.2 10.0 62 8.5 8.2 104 BONE SPRINGS DIV 9350 13.3 15.7 85 13.6 14.1 96 BURGESS JUNCTION 7880 9.2 11.1 83 10.4 11.7 89 CLOUD PEAK RESERVOIR 9860 12.2 12.8 95 11.6 12.3 94 DOME LAKE 8880 9.8 11.9 82 10.5 12.6 83 GRAVE SPRINGS 8550 9.0 9.0 100 10.8 9.3 116 HANSEN SAWMILL 8360 4.5 6.3 71 6.6 7.8 85 MIDDLE POWDER 7760 11.3 11.2 101 9.4 11.9 79 POWDER RIVER PASS 9480 9.2 10.5 88 10.9 11.9 92 SUCKER CREEK 8880 9.9 11.2 88 12.7 13.0 98 TIE CREEK 6870 5.2 6.0 87 9.3 9.5 98 ----- ----- Basin wide percent of average 87 93 BELLE FOURCHE BLIND PARK 6890 7.6 8.6 88 10.2 10.8 94 COLE CANYON 5910 5.4 6.0 90 9.1 -M * NORTH RAPID CREEK 6130 6.6 8.0 82 8.6 8.4 102 ----- ----- Basin wide percent of average 87 98 UPPER N. PLATTE RIVER COLUMBINE 9160 30.8 24.6 125 32.3 24.4 132 DIVIDE PEAK 8860 18.3 19.2 95 21.0 20.1 104 ELK RIVER 8700 20.2 18.9 107 20.3 19.0 107 JOE WRIGHT 10120 21.2 20.6 103 25.1 24.0 105 NORTH FRENCH CREEK 10130 32.5 28.1 116 30.7 23.9 128 OLD BATTLE 9920 35.8 31.3 114 40.2 33.6 120 SAGE CREEK BASIN 7850 13.1 11.1 118 13.8 11.7 118 SOUTH BRUSH CREEK 8440 12.3 12.6 98 16.0 15.8 101 TOWER 10500 49.8 44.2 113 46.4 37.3 124 WEBBER SPRINGS 9250 27.2 25.7 106 32.7 25.9 126 WILLOW CREEK PASS 9540 11.8 11.6 102 13.2 12.4 106 ----- ----- Basin wide percent of average 110 118 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10220 24.7 22.9 108 21.3 21.2 100 CASPER MTN. 7850 16.1 13.9 116 16.0 13.8 116 DEADMAN HILL 10220 15.9 15.7 101 17.3 16.3 106 DEER PARK 9700 16.5 16.5 100 19.9 21.3 93 LAPRELE CREEK 8375 10.0 10.6 94 11.1 12.1 92 RENO HILL 8500 14.9 13.5 110 16.2 14.3 113 ROACH 9700 16.0 16.5 97 18.9 18.0 105 SAND LAKE 10050 31.1 31.3 99 29.8 23.3 128 SOUTH PASS 9040 15.7 16.2 97 16.3 17.9 91 WINDY PEAK 7900 7.7 7.8 99 9.7 10.2 95 ----- ----- Basin wide percent of average 102 105 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 13.6 11.1 123 15.9 15.2 105 DIVIDE PEAK 8860 18.3 19.2 95 21.0 20.1 104 OLD BATTLE 9920 35.8 31.3 114 40.2 33.6 120 SANDSTONE RS 8150 15.3 14.6 105 20.6 18.2 113 WHISKEY PARK 8950 38.3 29.3 131 32.5 27.8 117 ----- ----- Basin wide percent of average 115 113 UPPER GREEN RIVER BIG SANDY OPENING 9080 14.5 14.2 102 14.7 13.1 112 BLIND BULL SUM 8900 27.7 27.4 101 21.0 21.8 96 EAST RIM DIVIDE 7930 10.4 12.9 81 10.9 11.8 92 ELKHART PARK G.S. 9400 13.2 13.1 101 14.0 12.9 109 GROS VENTRE SUMMIT 8750 11.8 13.9 85 12.2 12.6 97 KENDALL R.S. 7740 14.2 14.4 99 14.7 14.3 103 LOOMIS PARK 8240 19.0 17.0 112 18.7 17.1 109 NEW FORK LAKE 8340 10.4 11.0 95 10.1 11.1 91 SNIDER BASIN 8060 18.0 14.3 126 16.6 15.8 105 SPRING CREEK DIVIDE 9000 29.7 26.0 114 -M 26.0 * TRIPLE PEAK 8500 29.5 24.5 120 29.9 24.2 124 ----- ----- Basin wide percent of average 105 105 LOWER GREEN RIVER HAMS FORK 7840 15.0 12.1 124 13.6 11.9 114 HEWINTA 9500 12.7 11.5 110 14.4 14.1 102 HICKERSON PARK 9100 4.5 7.3 62 7.6 7.7 99 HOLE-IN-ROCK 9150 7.2 6.9 104 8.1 7.2 112 INDIAN CREEK 9425 30.3 27.1 112 -M 24.8 * KELLEY R.S. 8180 20.1 16.6 121 21.5 19.9 108 STEEL CREEK PARK 10100 15.4 15.3 101 16.8 15.6 108 ----- ----- Basin wide percent of average 109 107 UPPER BEAR RIVER BUG LAKE 7950 24.5 20.5 120 21.9 18.9 116 HAYDEN FORK 9100 20.7 16.0 129 23.9 20.4 117 KELLEY R.S. 8180 20.1 16.6 121 21.5 19.9 108 LILY LAKE 9050 14.8 12.9 115 15.9 17.0 94 MONTE CRISTO 8960 33.5 29.2 115 31.3 24.8 126 SALT RIVER SUMMIT 7600 15.8 14.2 111 18.6 18.4 101 TRIAL LAKE 9960 29.2 24.5 119 26.9 24.3 111 ----- ----- Basin wide percent of average 118 111 ----------------------------------------------------------------------------- -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.