An average season will see around 22.1 inches (56 cm) of snowfall, contributing to the annual 42.5 inches (1,080 mm) of precipitation, which is somewhat evenly distributed.[36] Extremes range from−25 °F (−32 °C) on January 18, 1977 up to 108 °F (42 °C) on July 21, 1934.[37]