Last month was the eighth-warmest June on record at the Seattle-Tacoma International Airport (SEA) with an average daily high temperature of 73.7 degrees.
June included two days cracking the 90-degree mark, with the temperature hitting 91 degrees on June 15 and 90 degrees on June 23.
Meanwhile, 2015 holds the number one spot with an average daily high temperature of 78.9 degrees…