Official temperature extremes range from 105 °F (41 °C) on July 24, 1934 down to −21 °F (−29 °C) on January 21, 1984; the record low maximum is −4 °F (−20 °C) on January 19, 1994, while, conversely the record high minimum is 80 °F (27 °C) on August 1, 2006, the most recent of five occurrences