000 SXUS75 KRIW 140752 RERGEY RECORD EVENT REPORT NATIONAL WEATHER SERVICE RIVERTON WY 1235 AM MST SUN JAN 14 2024 ...RECORD LOW TEMPERATURE SET AT GREYBULL WY... A RECORD LOW TEMPERATURE OF -28 WAS SET AT GREYBULL WY YESTERDAY. THIS BREAKS THE OLD RECORD OF -20 SET IN 2017. $$