Tomorrow marks the last day of the three-month meteorological summer. Despite a cool August, the season ends 1.2 degrees warmer than the long-term average at BWI. August dried up rain surpluses from June and July. We had 23 days in the 90s from June through August. The high was 96 degrees on June 10. The low was 52, on June 18. The low of 59 on July 25 tied a record set in 1976. Autumn should be warm.