
Storm Rainfall Summary September 27-29 2019
A very beneficial rainfall event soaked much of Western Wyoming and adjacent Idaho and Utah. Following are maps and listing of the reported rainfall amounts from the area.


National Weather Service Riverton WY 743 PM MDT Sun Sep 29 2019 ...Here are 48 hour Precipitation Totals ending at 6 PM MDT Sunday September 29th... Location Amount Elevation (ft.) ...Yellowstone National Park... Lake Yellowstone - YNP 0.82 in 7839 Lake - YNP 0.70 in 7875 Mammoth 0.68 in 6126 Snake Rvr Ranger Station - Y 0.64 in 6882 14 S Sylvan Pass - YNP 0.64 in 8649 Old Faithful - YNP 0.60 in 7319 1 SW Canyon - YNP 0.54 in 7899 3 W South Entrance YNP 0.52 in 7040 Tower Ranger Station - YNP 0.47 in 6266 1 N Mammoth - YNP 0.31 in 5624 Lamar Ranger Station - YNP 0.30 in 6604 15 WSW Mammoth 0.26 in 7899 ...Wind River Mountains West... 19 WSW Dubois 1.88 in 8833 8 W South Pass City 1.17 in 8120 7 NE Pinedale 0.73 in 8529 9.3 N Boulder 0.67 in 7350 3 NW Atlantic City 0.56 in 8540 ...Wind River Mountains East... 10 W Fort Washakie 1.24 in 9234 Union Pass 1.02 in 8431 Sinks Canyon 0.67 in 7083 ...Wind River Basin... 6 WNW Fort Washakie 1.27 in 6120 1 SSE Fort Washakie 0.64 in 5564 Pavillion 0.62 in 5485 10 SE Crowheart 0.56 in 5652 1 SE Riverton E 0.56 in 5043 Kinnear 0.50 in 5413 12.9 NW Shoshoni 0.47 in 4760 3 NNW Hudson 0.43 in 5555 Riverton Airport 0.40 in 5509 Riverton Forecast Office 0.39 in 5576 Riverton Downtown 0.39 in 4955 Riverton - CWC 0.30 in 5372 Boysen Reservoir 0.28 in 4708 ...Upper Wind River Basin... 7 NW Dubois 1.78 in 7188 Dubois 1.48 in 7014 Crowheart 1.23 in 6099 ...Upper Green River Basin... 5.0 SE La Barge 0.80 in 6529 15 NNW Farson 0.53 in 6798 9 ENE Big Piney 0.49 in 6803 18.2 SE La Barge 0.47 in 6390 Big Piney Airport 0.41 in 6944 9 NW Marbleton 0.34 in 7176 ...Upper Green River Basin Foothills... 2 NW Bondurant 1.32 in 6726 14 NW Pinedale 0.92 in 7464 10.6 N Daniel 0.86 in 7470 1 NNW Pinedale 0.59 in 7212 1 NE Pinedale 0.29 in 7310 ...Teton and Gros Ventre Mountains... B-T Portable No. 1 1.32 in 8500 16.0 E Kelly 1.29 in 7312 17 N Alta 0.84 in 6830 Alta 0.31 in 6430 ...Star Valley... 4 SSW Alpine 2.32 in 5673 5 NNE Thayne 2.28 in 6350 Star Valley Ranch 2.20 in 6692 2 SE Thayne 2.16 in 6085 Etna 1.87 in 5692 Thayne 1.81 in 5948 3 N Etna 1.80 in Afton 1.80 in 6245 5 SSE Smoot 1.71 in 7004 1 SW Fairview 1.56 in 6218 Etna 1.51 in 5823 Afton 1.32 in 6267 ...Southwest Big Horn Basin... 6 NNE Thermopolis 0.77 in 4433 8 NNE Thermopolis 0.75 in Kirby 0.66 in 4352 Thermopolis 0.38 in 4425 ...Southeast Johnson County... Kaycee 17 NNW 1.08 in 5056 Kaycee 0.64 in 5403 9 SW Kaycee 0.64 in 4898 17 E Kaycee 0.42 in 3.5 S Barnum 0.19 in 5075 ...Southeast Big Horn Basin... Winchester 0.83 in 4216 Ten Sleep 0.79 in 4425 Ten Sleep 0.62 in 4738 5 NNW Ten Sleep 0.60 in 4531 3 NE Worland 0.56 in 4089 8 SW Worland 0.53 in 1.8 SE Ten Sleep 0.51 in 4418 Worland Airport 0.50 in 4190 Worland 0.46 in 4064 10 SSE Worland 0.41 in 4520 Ten Sleep 0.35 in 4470 ...South Lincoln County... 2 W Kemmerer 0.36 in 6979 15.3 SW Calpet 0.32 in 6957 ...Salt River and Wyoming Ranges... B-T Portable No. 3 2.28 in 7799 Daniel 15.6 WNW 1.36 in 7720 15 NE Cokeville 0.99 in 8470 10.9 E Geneva 0.79 in 6649 12 E Cokeville 0.44 in 7458 ...Rock Springs and Green River... 4 NNW Rock Springs 0.54 in 6497 2 SSE Green River 0.49 in 6060 1 E Rocks Springs 0.45 in 1 S Rock Springs 0.45 in 6266 8 E Little America 0.43 in 6129 Mckinnon 0.23 in 7086 ...Owl Creek and Bridger Mountains... Anchor Dam 1.45 in 6250 10 S Meeteetse 0.96 in 7126 ...Northeast Johnson County... 13 SSE Buffalo 1.27 in 4818 Buffalo Airport 0.66 in 4905 Buffalo 0.62 in 4370 6 W Buffalo 0.54 in 5745 4 SE Story 0.47 in 4662 8.2 S Story 0.41 in 5278 ...North Big Horn Basin... 9 ENE Geybull 1.40 in Basin 0.87 in 3897 Basin 0.80 in 3820 1 ESE Burlington 0.77 in 4372 Greybull Airport 0.51 in 3935 Lovell 0.45 in 3830 5 E Powell 0.42 in 4 ENE Powell 0.38 in 4287 4 SW Powell 0.34 in 4485 1 W Powell 0.31 in 4410 Frannie 0.24 in 4274 ...Natrona County Lower Elevations... 5 S Casper 0.59 in 11 WSW Casper 0.43 in 5302 10 WSW Casper 0.41 in 5277 Bar Nunn 0.40 in 5275 3 E Casper 0.36 in 5318 7 S Casper 0.36 in Natrona County Airport 0.35 in 5348 1 NW Mills 0.34 in 5209 1 NW Casper 0.31 in 5141 17 SW Casper 0.31 in 5364 1 S Casper 0.30 in 5522 2 SW Casper 0.30 in 1 SW Casper 0.29 in 5314 Midwest 0.02 in 4865 ...Lander Foothills... 7 WNW Lander 0.95 in 6041 4 SW Lander 0.84 in 5768 6.1 SW Lander 0.79 in 6555 6 SW Lander 0.76 in 6087 6 NW Lander 0.73 in 5760 1 N Lander 0.67 in 5352 1 SW Lander 0.61 in 5456 Lander Airport 0.57 in 5565 ...Jackson Hole... 2 NE Teton Village 1.51 in 6339 Moose 1.44 in 6445 12 NE Jackson 1.42 in Jackson 1.37 in 6240 Jackson 1.35 in 6210 4 N Moose 1.26 in 6729 Hoback 1.13 in 5928 Moran 1.11 in 6800 Jackson Dam 1.10 in 6776 7 E Moran Jct 1.05 in 7250 Jackson Airport 1.00 in 6450 3 W Wilson 0.70 in ...Green Mountains and Rattlesnake Range... 7 SW Muddy Gap 0.63 in 7379 4 SW Sweetwater Station 0.52 in 6591 16 S Hiland 0.37 in 6379 Independence Rock 0.26 in 5916 Jeffrey City 0.22 in 6374 ...Flaming Gorge... 2 NE Manila Utah 0.24 in 6060 18.7 NE Manila 0.23 in 6080 ...East Sweetwater County... 15 SE Rock Springs 0.54 in 7549 4 NE Bitter Creek 0.46 in 6720 Rock Springs Airport 0.30 in 6745 ...Cody Foothills... Clark 1.24 in 4658 Meeteetse 0.67 in 5748 1 E Cody 0.63 in 5070 2 NE Cody 0.61 in 4939 1 SW Cody 0.58 in 5139 Wapiti 0.57 in 5398 2 WSW Cody 0.56 in 5160 1 SE Cody 0.51 in 5167 Cody 0.51 in 5102 4 SE Cody 0.50 in 5152 6 NE Cody 0.50 in 4787 1 E Buffalo Bill Dam 0.47 in 5355 Cody Airport 0.44 in 5138 ...Casper Mountain... 5 SSW Casper 0.59 in 6262 ...Bighorn Mountains West... 30 E Greybull 0.63 in 8897 15 SSW Big Trails 0.54 in 6554 12 ENE Ten Sleep 0.53 in 8202 5 ENE Hyattville 0.44 in 5669 ...Bighorn Mountains Foothills... 20 NW Mayoworth 0.75 in 8180 7 NW Mayoworth 0.74 in 5720 7 SW Barnum 0.63 in 6439 18 NW Buffalo 0.50 in 8604 12 NE Lysite 0.40 in 15 W Buffalo 0.42 in 8398 15 WSW Story 0.34 in 8292 15 SE Big Trails 0.22 in 7220 10 SW Story 0.19 in 8580 ...Absaroka Mountains... 32 SW Cody 1.84 in 6200 14 NE Dubois 1.08 in 7365 Pahaska 0.84 in 6798 3 E Pahaska 0.74 in 7500 10 WNW Cody 0.69 in 8400 Shf2 - Portable 0.65 in 7156 Crandall 0.36 in 6640 NE Entrance - YNP 0.31 in 7359 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. $$