Winters are very cold, long and often
snowy, though periods of chinook winds do cause "warm" spells and
occasionally raise the temperature to 50 °F (10 °C). In the absence
of such winds, shallow cold snaps are common; there is an average of 20.8
nights with a low of 0 °F (−18 °C) or colder. The wettest part of the
year is the spring. Summers are hot and dry, with highs reaching 90 °F
(32 °C) on 19 days per year, though the diurnal temperature variation is
large and easily exceeds 30 °F (17 °C). Freak early and late summer
snowfalls such as a