also common in the afternoon during the summer. The highest summer temperature was 106 °F on June 14, 1961, breaking a record of 104 °F set in June 1960. A high of 105 °F was recorded on July 17, 1988, and a high of 104 °F was recorded on September 1, 2017. Until August 1, 1993, it had never reached 100 °F in August, which is one of the foggier months in the area. Due to thermal inversions, summer temperatures in the higher hills are often much higher than at the airport.

Thunderstorms occur