000 SXUS75 KRIW 200732 RERGEY RECORD EVENT REPORT NATIONAL WEATHER SERVICE RIVERTON WY 1229 AM MST SAT JAN 20 2024 ...RECORD LOW TEMPERATURE SET AT GREYBULL WY... A RECORD LOW TEMPERATURE OF -13 WAS SET AT GREYBULL WY YESTERDAY, JANUARY 19TH, 2024. THIS BREAKS THE OLD RECORD OF -10 SET IN 2022. $$