000 SXUS75 KRIW 210730 RERGEY RECORD EVENT REPORT NATIONAL WEATHER SERVICE RIVERTON WY 0126 AM MDT SAT OCT 21 2023 ...RECORD HIGH TEMPERATURE SET AT GREYBULL WY... A RECORD HIGH TEMPERATURE OF 77 WAS SET AT GREYBULL WY YESTERDAY. THIS TIES THE OLD RECORD OF 77 SET IN 2014. $$