Temperatures begin to cool dramatically throughout the month. In fact, the average daily mean temperature at Sikorsky Memorial Airport in Stratford falls from 60 degrees October 1 to 50 degrees by Halloween. The average daily high temperature drops from 69 degrees to 58 degrees, and the overnight low cools from 52 degrees to 42 by the end of the month.
The warmest October on record, not surprisingly, happened four years ago (2007) when the mercury averaged 61.8 degrees, breaking the previous mark of 60.2 degrees in 1971. The coldest Octobers on record were in 1981 and 1988 when the temperature averaged 50.5 degrees. The coldest temperature ever recorded for the month was 26 degrees, set three times, most recently on Halloween of 1988. The other two times were on October 24, 1969, and October 20, 1972.
October’s average rainfall is 3.54 inches. The wettest October ever recorded happened in 1955 when 10.72 inches fell across southwestern Connecticut. On three occasions over four inches of rain fell in one day: October 7, 1972 (4.14″), October 15, 1955 (4.76″), and October 19, 1996 (4.12″). Believe it or not, a half-inch of snow actually fell in these parts on Sunday morning, October 4, 1987. The driest October (0.33″) happened in 1963.
Daylight dramatically decreases this month. This Saturday, October 1, we enjoy 11 hours and 45 minutes of daylight. The Sun rises at 5:49 and sets at 5:34. However, by the middle of the month, October 15, the Sun rises at 6:04 and sets at 5:12. By Halloween, after the return to standard time, we only have 10 hours and 26 minutes of daylight. Sunrise happens at 5:23 while it sets at 4:49 in the afternoon.
Paul