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Exceptionally Cold Early Fall Morning in Western Wyoming Region
Temperatures across Star Valley were all record breakers for the date. The coldest was a frigid 6 above zero at Double L Ranch northwest of Etna The coldest in the region was at West Yellowstone where several readings were from 8 below to 11 below zero. Temperatures have in the record book never been this cold so early in the Fall going back over 100 years.
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854 AM MDT Fri Oct 11 2019 ...LOW TEMPERATURE REPORTS... Location Temp Time/Date Elevation (ft.) ...Wyoming... ...Big Horn County... Greybull 30 E 1 F 1058 PM 10/10 8897 Frannie 11 F 0433 AM 10/11 5002 Hyattville 5 ENE 12 F 0652 AM 10/11 5669 Hyattville 4 NE 13 F 0615 AM 10/11 4845 Basin 15 F 0740 AM 10/11 3897 Lovell 15 F 0745 AM 10/11 3964 Burlington 15 F 0800 AM 10/11 4416 Cowley Airport 16 F 0315 AM 10/11 4083 Deaver 18 F 0800 AM 10/11 4105 Greybull Airport 18 F 0753 AM 10/11 3917 Lovell 19 F 0800 AM 10/11 3847 ...Fremont County... Atlantic City -2 F 0800 AM 10/11 7821 Dubois 19 WSW 0 F 0710 AM 10/11 8833 South Pass City 8 W 3 F 0650 AM 10/11 8120 Jeffrey City 6 F 0246 AM 10/11 6442 I 80 - Mile Marker 142 6 F 0657 AM 10/11 8084 Dubois 14 NE 7 F 0715 AM 10/11 7365 Hudson 4 SSW 7 F 0700 AM 10/11 5148 Atlantic City 3 NW 7 F 0445 AM 10/11 8540 Sweetwater Station 4 SW 7 F 0615 AM 10/11 6591 Fort Washakie 10 W 7 F 0801 PM 10/10 9234 Riverton 8 F 0731 AM 10/11 4950 Shoshoni 9 F 0700 AM 10/11 4822 Riverton 1 S 9 F 0730 AM 10/11 4899 Riverton Airport 10 F 0633 AM 10/11 5509 Fort Washakie 1 SSE 10 F 0315 AM 10/11 5564 Jeffrey City 10 F 0700 AM 10/11 6319 Muddy Gap 7 SW 11 F 1150 PM 10/10 7379 Crowheart 11 F 1216 AM 10/11 6099 Riverton - CWC 11 F 0540 AM 10/11 5372 Kinnear 12 F 0731 AM 10/11 5413 Crowheart 10 SE 13 F 0515 AM 10/11 5652 Lander 7 NW 13 F 0747 AM 10/11 5797 Lander 1 S 13 F 0600 AM 10/11 5479 Fort Washakie 6 WNW 13 F 0630 AM 10/11 6120 Lander 6 NW 13 F 0315 AM 10/11 5760 Sinks Canyon 13 F 0830 PM 10/10 7083 Pavillion 13 F 0700 AM 10/11 5472 Lander Airport 14 F 0553 AM 10/11 5565 Hudson 3 NNW 15 F 0746 AM 10/11 5555 Crowheart 11 WNW 18 F 0945 PM 10/10 6520 Dubois 7 NW 18 F 0230 AM 10/11 7188 Dubois 18 F 1250 AM 10/11 7014 Dubois Airport 18 F 1235 AM 10/11 7095 Boysen Reservoir 20 F 0530 AM 10/11 4708 Dubois 10 SE 23 F 0500 AM 10/11 6399 ...Hot Springs County... Meeteetse 10 S 7 F 1042 PM 10/10 7126 Thermopolis 10 F 0555 AM 10/11 4903 Thermopolis 9NE 11 F 0700 AM 10/11 4282 Thermopolis 11 F 0726 AM 10/11 4425 Kirby 14 F 0630 AM 10/11 4350 Boysen Peak 18 F 0835 AM 10/11 7099 ...Johnson County... Story 15 WSW 1 F 1130 PM 10/10 8292 Buffalo 18 NW 3 F 0147 AM 10/11 8604 Mayoworth 20 NW 5 F 0700 AM 10/11 8180 Story 10 SW 5 F 1245 AM 10/11 8580 Kaycee 10 F 0701 AM 10/11 4681 Buffalo 13 F 0640 AM 10/11 4639 Buffalo 14 F 0300 AM 10/11 4370 Linch 14 F 0547 AM 10/11 4934 Kaycee 9 SW 14 F 0700 AM 10/11 4898 Buffalo Airport 15 F 0653 AM 10/11 4905 Buffalo 6 W 15 F 0330 AM 10/11 5745 Barnum 7 SW 17 F 0746 AM 10/11 6439 ...Lincoln County... Cokeville 12 E 5 F 0515 AM 10/11 7458 Etna 6 F 0715 AM 10/11 5692 Cokeville 3 N 8 F 0600 AM 10/11 6160 Afton 10 F 0800 AM 10/11 6248 Afton Airport 10 F 0815 AM 10/11 6163 Cokeville 15 NE 10 F 0200 AM 10/11 8470 Bedford 3SE 11 F 0600 AM 10/11 6345 Thayne 12 F 0816 AM 10/11 5948 Bedford 12 F 0717 AM 10/11 6279 Star Valley Ranch 12 F 0721 AM 10/11 6692 Kemmerer Airport 12 F 0715 AM 10/11 7127 Kemmerer 2 W 13 F 0445 AM 10/11 6979 Alpine 4 SSW 20 F 0930 PM 10/10 5673 ...Natrona County... Casper 8 S 6 F 0552 AM 10/11 7740 Hiland 16 S 9 F 0110 AM 10/11 6379 Independence Rock 9 F 0645 AM 10/11 5916 Alcova 9 F 0700 AM 10/11 5903 Midwest 14 F 0646 AM 10/11 4865 Casper Airport 15 F 0949 PM 10/10 5344 Powder River 15 F 0600 AM 10/11 5722 Casper 7 SE 17 F 1100 PM 10/10 5591 Bar Nunn 17 F 0346 AM 10/11 5275 Pathfinder Dam 17 F 0315 AM 10/11 5856 Casper 20 F 1130 PM 10/10 5100 CASPER 1SW 23 F 0730 AM 10/11 5143 ...Park County... Canyon 1 SW - YNP -5 F 0749 AM 10/11 7899 Lamar Ranger Station - YNP -4 F 0700 AM 10/11 6604 NE Entrance - YNP -2 F 0600 AM 10/11 7359 Tower Ranger Station - YNP -2 F 0700 AM 10/11 6266 Shf2 - Portable 4 F 0702 AM 10/11 7156 East Entrance 6 W 5 F 0530 AM 10/11 9798 Mammoth 15 WSW 5 F 0649 AM 10/11 7899 Meeteetse 6 SW 5 F 0650 AM 10/11 6224 Crandall 6 F 0712 AM 10/11 6640 Sylvan Pass 14 S - YNP 7 F 0508 AM 10/11 8649 Mammoth 7 F 0800 AM 10/11 6126 Pahaska 3 E 8 F 0757 AM 10/11 7500 Cody 32 SW 8 F 0900 PM 10/10 6200 Pahaska 9 F 0800 AM 10/11 6798 Cody 10 WNW 9 F 1040 PM 10/10 8400 Buffalo Bill Dam 1 E 10 F 1145 PM 10/10 5355 Cody 11 F 0116 AM 10/11 5154 Cody Airport 12 F 0256 AM 10/11 5138 Powell 13 F 0710 AM 10/11 4386 Meeteetse 13 F 0646 AM 10/11 5748 Clark 14 F 0615 AM 10/11 4270 Powell Airport 14 F 0735 AM 10/11 5025 Wapiti 14 F 1030 PM 10/10 5398 Cody 3.1W 19 F 0715 AM 10/11 5280 ...Sublette County... Pinedale 7 NE -1 F 0726 AM 10/11 8529 Big Piney 11 W 0 F 0700 AM 10/11 7412 Marbleton 9 NW 4 F 0729 AM 10/11 7176 Big Piney Airport 5 F 0553 AM 10/11 6944 Boulder 5 F 0800 AM 10/11 6959 Bondurant 6 F 0445 AM 10/11 6648 Big Piney 21 W 7 F 0809 AM 10/11 8200 Daniel 9 F 0800 AM 10/11 7341 Bondurant 2 NW 10 F 0751 AM 10/11 6726 Pinedale Airport 10 F 0735 AM 10/11 7105 B-T Portable No. 1 10 F 0551 AM 10/11 9100 Pinedale 11 F 0651 AM 10/11 7381 Daniel 8 SSE 11 F 0700 AM 10/11 7056 Boulder 9 N 12 F 0500 AM 10/11 7350 Farson 15 NNW 12 F 0330 AM 10/11 6798 Big Piney 9 ENE 15 F 0700 AM 10/11 6803 Daniel 11 N 15 F 0400 AM 10/11 7470 Pinedale 1 NE 17 F 1145 PM 10/10 7310 ...Sweetwater County... La Barge 18 SE 7 F 0645 AM 10/11 6390 Bitter Creek 4 NE 11 F 1245 AM 10/11 6720 Rock Springs 15 SE 12 F 0344 AM 10/11 7549 Manila Utah 2 NE 13 F 0800 AM 10/11 6060 Rock Springs Airport 13 F 0654 AM 10/11 6745 Green River 1 E 14 F 0530 AM 10/11 6060 Mckinnon 15 F 0745 AM 10/11 7086 Green River 16 F 0700 AM 10/11 6160 Little America 8 E 16 F 0730 AM 10/11 6129 Rock Springs 3 NW 17 F 0640 AM 10/11 6598 ...Teton County... Old Faithful - YNP -5 F 0800 AM 10/11 7319 Old Faithful -2 F 0700 AM 10/11 7350 Togwotee Pass 0 F 0730 AM 10/11 8579 Lake Yellowstone - YNP 0 F 0756 AM 10/11 7839 South Entrance 3 W - YNP 4 F 0545 AM 10/11 7040 South Entrance 19 W - YNP 5 F 0749 AM 10/11 6399 Lake - YNP 5 F 0300 AM 10/11 7875 Moran Jct 7 E 6 F 0752 AM 10/11 7250 Kelly 6 F 0747 AM 10/11 6653 Moose 4 N 7 F 0658 AM 10/11 6729 South Entrance - YNP 7 F 0645 AM 10/11 6898 South Entrance 5 SSW - YNP 8 F 0445 AM 10/11 7020 Jackson 9 F 0745 AM 10/11 6240 Jackson Dam 9 F 0745 AM 10/11 6776 Alta 17 N 11 F 0703 AM 10/11 6830 Alta 13 F 0530 AM 10/11 6430 ...Washakie County... Ten Sleep 12 ENE 3 F 0514 AM 10/11 8202 Ten Sleep 16SSE 5 F 0700 AM 10/11 4680 Big Trails 15 SE 9 F 0345 AM 10/11 7220 Worland 11 F 0650 AM 10/11 4400 Ten Sleep 12 F 0746 AM 10/11 4470 Worland 10 SSE 12 F 0617 AM 10/11 4520 Worland 13 F 0730 AM 10/11 4064 Worland Airport 15 F 1053 PM 10/10 4190 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.