During the fall season, temperatures cool off fairly rapidly: the last temperature can be expected on September 22, and by the end of October temperatures have usually fallen to a comfortable level. Heavy rainfall from frontal systems or remnant tropical storms are common during this period: the wettest day with was on September 25, 1993, a year which saw between April and September as against only during the same period in 1980. September 1993 was also the wettest month on record with , while the wettest calendar year overall has been 1985 with and the driest 1963 with only .