000 SXUS75 KRIW 270731 RERRIW RECORD EVENT REPORT NATIONAL WEATHER SERVICE RIVERTON WY 1229 AM MST MON NOV 27 2023 ...RECORD LOW TEMPERATURE SET AT RIVERTON WY... A RECORD LOW TEMPERATURE OF -6 WAS SET AT RIVERTON WY YESTERDAY. THIS BREAKS THE OLD RECORD OF -2 SET IN 2019. $$