Rain/Snow Totals for September 20-21 Storm
Public Information Statement National Weather Service Riverton WY 1041 AM MDT Sat Sep 21 2019 ...FRIDAY AND FRIDAY NIGHT STORM SUMMARY...
September-21-2019-1-Day-Observed-Precipitation
Below are rainfall and snowfall totals western and central Wyoming for Friday and Friday night. Widespread rain and mountain snow occurred across western and northern Wyoming Friday and Friday night. The heaviest precipitation occurred across northwest of a Moose to 30 miles west of Cody line. Snow levels varied greatly from west to east, as well as time. Accumulating snow was generally confined to 8000 feet or higher. Grand Targhee Snotel is estimated to have received at a foot of snow if not a tad more. Note: SnoTELS (Snow Telemetry) are remote sensing sites in high mountain watersheds. Snowfall data from SNOTELS are estimated based on snow water equivalent. ...24-HOUR PRECIPITATION REPORTS... Location Amount End Time/Date ...Big Horn County... 2 SSW Lovell 0.75 in 0700 AM 09/21 5 ENE Hyattville 0.40 in 0852 AM 09/21 Lovell 0.36 in 0916 AM 09/21 Basin 0.24 in 0920 AM 09/21 9 ENE Greybull 0.24 in 0600 AM 09/21 30 E Greybull 0.20 in 0858 AM 09/21 1 ESE Burlington 0.18 in 0700 AM 09/21 ...Fremont County... 7 NW Dubois 0.55 in 0845 AM 09/21 Dubois 0.40 in 0600 AM 09/21 14 NE Dubois 0.39 in 0900 AM 09/21 I 80 - Mile Marker 142 0.34 in 0857 AM 09/21 19 WSW Dubois 0.33 in 0910 AM 09/21 Dubois 0.32 in 0925 AM 09/21 Union Pass 0.24 in 0915 AM 09/21 11 WNW Crowheart 0.18 in 0800 AM 09/21 Crowheart 0.11 in 0915 AM 09/21 4 SW Sweetwater Station 0.10 in 0800 AM 09/21 Boysen Reservoir 0.01 in 0745 AM 09/21 10 SE Crowheart 0.01 in 0900 AM 09/21 10 W Fort Washakie 0.01 in 0901 AM 09/21 ...Hot Springs County... 10 S Meeteetse 0.23 in 0842 AM 09/21 2 NE Lucerne 0.03 in 0500 AM 09/21 Kirby 0.02 in 0800 AM 09/20 ...Johnson County... 13 SSE Buffalo 0.24 in 0700 AM 09/21 Buffalo 0.13 in 0916 AM 09/21 6 W Buffalo 0.12 in 0900 AM 09/21 Buffalo Airport 0.10 in 0853 AM 09/21 15 WSW Story 0.09 in 0845 AM 09/21 4 SSW Buffalo 0.09 in 0700 AM 09/21 Piney Creek 0.08 in 0815 AM 09/21 20 NW Mayoworth 0.06 in 0845 AM 09/21 18 NW Buffalo 0.04 in 0847 AM 09/21 10 SW Story 0.04 in 0800 AM 09/21 ...Lincoln County... Star Valley Ranch 0.57 in 0925 AM 09/21 3 N Etna 0.53 in 0700 AM 09/21 5 NNE Thayne 0.48 in 0700 AM 09/21 Etna 0.44 in 0915 AM 09/21 Salt River 0.43 in 0800 AM 09/21 15 NE Cokeville 0.39 in 0900 AM 09/21 Thayne 0.36 in 0917 AM 09/21 2 SE Thayne 0.34 in 0700 AM 09/21 Etna 0.31 in 0919 AM 09/21 5 SSE Smoot 0.30 in 0700 AM 09/21 Afton 0.28 in 0800 AM 09/21 12 E Cokeville 0.28 in 0815 AM 09/21 Star Valley Ranch 0.25 in 0930 AM 09/21 CrowCreek 0.16 in 0815 AM 09/21 Afton 0.12 in 0700 AM 09/20 Fossil Butte 0.08 in 0400 PM 09/20 Fontenelle Creek 0.04 in 0800 AM 09/21 ...Natrona County... Mills 1.2 NW 0.01 in 0700 AM 09/20 ...Park County... 32 SW Cody 1.32 in 0900 AM 09/21 Pahaska 1.24 in 0700 AM 09/21 East Entrance - YNP 1.04 in 0600 AM 09/21 Mammoth 0.90 in 0900 AM 09/21 10 WNW Cody 0.87 in 0840 AM 09/21 Lamar Ranger Station - YNP 0.80 in 0900 AM 09/21 NE Entrance - YNP 0.77 in 0800 AM 09/21 3 E Pahaska 0.75 in 0857 AM 09/21 Crandall 0.68 in 0912 AM 09/21 Clark 0.68 in 0930 AM 09/21 Tower Ranger Station - YNP 0.59 in 0830 AM 09/21 Clark 0.56 in 0915 AM 09/21 2 WSW Cody 0.54 in 0700 AM 09/21 7 SW Cody 0.53 in 0700 AM 09/21 Cody 0.51 in 0930 AM 09/21 4 SW Powell 0.45 in 0700 AM 09/21 Powell 0.38 in 0930 AM 09/21 Frannie 0.38 in 0928 AM 09/21 15 WSW Mammoth 0.38 in 0849 AM 09/21 Cody 0.38 in 0700 AM 09/21 Powell 0.37 in 0700 AM 09/21 Cody 0.33 in 0700 AM 09/21 Cody 1 E 0.30 in 0600 AM 09/21 4 ENE Powell 0.28 in 0700 AM 09/21 1 SW Canyon - YNP 0.27 in 0849 AM 09/21 1 E Buffalo Bill Dam 0.26 in 0800 AM 09/21 Powell 5.1 E 0.25 in 0700 AM 09/21 Cody Airport 0.24 in 0856 AM 09/21 Cody 6.6 NE 0.23 in 0700 AM 09/21 14 S Sylvan Pass - YNP 0.22 in 0708 AM 09/21 Meeteetse 0.19 in 0916 AM 09/21 Tower Falls 0.06 in 0800 AM 09/20 Hoyt Peak 0.05 in 0815 AM 09/21 ...Sublette County... Big Piney Airport 0.38 in 0853 AM 09/21 Bondurant 0.35 in 0830 AM 09/21 14 NW Pinedale 0.35 in 0730 AM 09/21 2 NW Bondurant 0.33 in 0851 AM 09/21 9 NW Marbleton 0.30 in 0930 AM 09/21 13 NE Big Piney 0.24 in 0600 PM 09/20 Pinedale 0.19 in 0800 AM 09/21 7 NE Pinedale 0.17 in 0826 AM 09/21 1 NE Pinedale 0.17 in 0830 AM 09/21 Boulder Lake 0.14 in 0830 AM 09/21 21 W Big Piney 0.09 in 0709 AM 09/21 9 ENE Big Piney 0.05 in 0900 AM 09/21 15 NNW Farson 0.02 in 0900 AM 09/21 ...Sweetwater County... 4 NE Bitter Creek 0.02 in 0815 AM 09/21 ...Teton County... Alta 1.03 in 0815 AM 09/21 5 SSW South Entrance YNP 0.87 in 0800 AM 09/21 Snake Rvr Ranger Sta. - YNP 0.87 in 0800 AM 09/21 Alta 0.80 in 0900 PM 09/20 3 W South Entrance YNP 0.80 in 0815 AM 09/21 Moran 0.75 in 0800 AM 09/21 7 E Moran Jct 0.74 in 0852 AM 09/21 South Entrance - YNP 0.73 in 0800 AM 09/21 17 N Alta 0.71 in 0903 AM 09/21 Jackson Dam 0.65 in 0800 AM 09/21 Lake - YNP 0.65 in 0900 AM 09/21 Lake Yellowstone 0.59 in 0856 AM 09/21 Gros Ventre River 0.43 in 0915 AM 09/21 Moose 0.39 in 0800 AM 09/21 12 NE Jackson 0.39 in 0905 AM 09/21 4 N Moose 0.37 in 0858 AM 09/21 Jackson 0.31 in 0800 AM 09/21 Jackson 0.23 in 0900 AM 09/21 Old Faithful 0.20 in 0900 AM 09/21 Hoback 0.14 in 0929 AM 09/21 ...Washakie County... Nowood River 0.28 in 0815 AM 09/21 Ten Sleep 0.27 in 0700 AM 09/21 5 NNW Ten Sleep 0.19 in 0700 AM 09/21 Worland Airport 0.18 in 0853 AM 09/21 Ten Sleep 0.15 in 0700 AM 09/21 12 ENE Ten Sleep 0.12 in 0914 AM 09/21 Worland 0.11 in 0917 AM 09/21 10 SSE Worland 0.08 in 0917 AM 09/21 Winchester 0.05 in 0730 AM 09/21 15 SSW Big Trails 0.01 in 0840 AM 09/21 ...SNOWFALL REPORTS FOR FRIDAY AND FRIDAY NIGHT... Location Snowfall ...Bighorn County... Shell Creek Snotel 5 inches. Bone Springs Snotel 2 inches. Bald Mountain Snotel 2 inches. ...Lincoln County... Blind Bull Summit Snotel 1 inch. ...Park County... Beartooth Lake Snotel 7 inches. Blackwater Snotel 4 inches. ...Teton County... Grand Targhee Snotel (9260 ft) 12 inches. Jackson Hole - Raymer 7 inches. Togwotee Pass Snotel 5 inches. Jackson Hole - Mid Mountain 2 inches. ...Washakie County... Powder River Pass Snotel 1 inch. ...Yellowstone National Park... Two Ocean Plateau Snotel 7 inches. Parker Peak Snotel 6 inches. Sylvan Lake Snotel 6 inches. Snake River Ranger Station 0.5 inch. Observations are collected from a variety of sources with varying equipment and exposures. We thank all volunteer weather observers for their dedication. Not all data listed are considered official.