000 SXUS75 KRIW 151919 RRA RERRIW RECORD EVENT REPORT NATIONAL WEATHER SERVICE RIVERTON WY 1219 PM MST MON JAN 15 2024 ...RECORD LOW TEMPERATURE SET AT RIVERTON WY... A RECORD LOW TEMPERATURE OF -19 WAS SET AT RIVERTON WY FOR JANUARY 14. THIS BREAKS THE OLD RECORD OF -15 SET IN 2007. $$