000 SXUS75 KRIW 180736 RERRIW RECORD EVENT REPORT NATIONAL WEATHER SERVICE RIVERTON WY 0134 AM MDT WED OCT 18 2023 ...RECORD HIGH TEMPERATURE SET AT RIVERTON WY... A RECORD HIGH TEMPERATURE OF 74 WAS SET AT RIVERTON WY YESTERDAY, OCTOBER 11TH, 2023. THIS TIES THE OLD RECORD OF 74 SET IN 2003. $$