On June 26, 1990, an all-time high temperature of 117 degrees was recorded at Tucson International Airport.

Longtime residents might remember that in Phoenix that same day — where the city had its own record-high temperature of 122 degrees — commercial airplanes were grounded because of the heat.

Do you remember what that day was like? Share your memories in the Comments section.

The hottest temperature recorded in Arizona was at Lake Havasu City on June 29, 1994 — 128 degrees.