July continued the trend with warm and wet conditions across southeastern Arizona. Hurricane Dolores funneled in plenty of moisture midmonth, bringing flooding rains to southeastern Arizona. By this time, Tucson was a third of the way through the monsoon season, and experienced 0.5 inches less than normal rainfall. On July 28,lightning from evening thunderstorms started the Finger Rock Fire on the Catalina Mountains.
Only one of the three daily precipitation records broken in 2015 occurred during the official monsoon season. On July 28, 1.49 inches was reported at the airport, breaking the old record of 1.26 inches from 2007. It was also the highest rainfall reported in one day during the year.
July records set in 2015
Highest daily low for the date
July 16: 84 degrees
Most daily precipitation for the date:
July 28: 1.49 inches
