000 SXUS75 KRIW 280733 RERRIW RECORD EVENT REPORT NATIONAL WEATHER SERVICE RIVERTON WY 1230 AM MST TUE NOV 28 2023 ...RECORD LOW TEMPERATURE SET AT RIVERTON WY... A RECORD LOW TEMPERATURE OF -8 WAS SET AT RIVERTON WY YESTERDAY. THIS BREAKS THE OLD RECORD OF -5 SET IN 2015. $$