000 SXUS75 KRIW 190730 RERGEY RECORD EVENT REPORT NATIONAL WEATHER SERVICE RIVERTON WY 1228 AM MST FRI JAN 19 2024 ...RECORD LOW TEMPERATURE SET AT GREYBULL WY... A RECORD LOW TEMPERATURE OF -10 WAS SET AT GREYBULL WY YESTERDAY. THIS BREAKS THE OLD RECORD OF -7 SET IN 2013. $$