On average over the year, 88.6 days top , 12.9 days top , and 91.1 nights fall below . Temperatures have fallen below only twice since 1951, during 1987 and 2011, with the record low being on February 3, 2011. The lowest maximum temperature on record has been on December 25, 1987, but during most years every single day will top freezing and on average only 19.5 days fail to top . The hottest temperature on record is on June 27, 1994, though minimums virtually never stay above due to the low humidity and hot sun, and only eighteen nights remain above during an average year.