Portland Airport: Freeze-Free Periods
Please click the link below to access a pdf version of the data.
Portland-Airport_Temperatures_-_First-&-Last-Freeze-Dates_1938-2023_Updated-2023-10-28
Please click the link below to access a pdf version of the data.
Portland-Airport_Temperatures_-_First-&-Last-Freeze-Dates_1938-2023_Updated-2023-10-28