Joe Bollinger writes from Glen Burnie: "Has the temperature at BWI ever remained at 80 degrees or higher for any 24-hour period?" Not at BWI, according to the National Weather Service. The last time Baltimore's official low failed to drop below 80 was Aug. 29, 1949. But that was a year before the city's official weather station moved out to then-Friendship Airport. Pre-1950, record downtown "high minimums" top 80 for 26 dates in July and August. The hottest nights were 83 degrees, on July 21 and Aug. 5, 1930.