 However, temperatures reaching either or are uncommon, having last occurred February 5, 1996 (the date of the all-time record low for February) and July 1, 2012.Precipitation is high, averaging annually, but reaches a low during late summer.The rainiest calendar day on record is August 10, 1960 when of rain fell; monthly precipitation has ranged from trace amounts in October 1963 to in July 1967.