IOWA CITY, Iowa (KCRG-TV9 and AP) -- An autopsy has found that Biagas' cause of death is hypothermia, due to environmental cold exposure.
Authorities have ruled the death as an accident.
Biagas was found to be intoxicated at the time of death.
UPDATE: Iowa City police suspect dangerously cold weather played a part in the death of a man whose body was found Tuesday.
Officers were sent to area around 2 p.m. Tuesday after 24-year-old Paul Biagas was found dead in the snow near the Robert A. Lee Recreation Center. Police say foul play in not suspected.
Police Lt. Zach Diersen says investigators believe Biagas may have been walking home on New Year's Eve to his apartment near downtown Iowa City. The wind chill overnight in Iowa City dropped to as low as 20-below (-28.9-Celsius).
Diersen says Biagas was not appropriately dressed for the extreme cold, noting he was not wearing a heavy coat.
An autopsy has been ordered.
The Iowa City Police Department found a body outside in the cold at around 2 p.m. on January 2.
Police say they found the body near the Robert A. Lee Recreation Center located at 220 South Gilbert Street.
A man was found in the snow outside of the address.
When officers arrived, they identified the body as 24-year-old Paul Biagas.
The Johnson County Medical Examiner's Office responded to help police.
Investigators say they don't have a reason to believe there was foul play.
The case is under investigation by the Iowa City Police Department and the Johnson County Medical Examiner.