Is "Winters are cold, with moderate snowfall and temperatures not rising above freezing on an average 44 days annually, while dropping to or below 0 F (18 C) on an average 4.4 days a year; summers are warm to hot with temperatures exceeding 90 F (32 C) on 12 days." a good answer to the question "How many days a year does the temperature in Detroit drop below 0?"
yes