A five-day streak of days reaching triple-digit temperatures came to an end Sunday when the high in the Lewiston-Clarkston Valley hit 97 degrees. According to the National Weather Service, the heat wave began July 10th when the high reached 100 – temperatures over the following four days were 103, 101, 103 and 102 degrees. The last long string of consecutive days with a high of 100 degrees or more was last year from July 21-27. The record high in Lewiston was set in 1939 when the daytime high reached 117 degrees.