On July 1, the high temperature reached 64 degrees and it drizzled all day. Things didn't get much better after that. July 2009 has gone down in the record books as Chicago's coldest July in almost seven decades, and the third coldest since the National Weather Service started keeping records in 1872. How cold was it? It was so cold that: • The average temperature was 69.4 degrees, the same average temperature as Fairbanks, Alaska. • The high temperature was below 80 degrees for 14 of the 31 days (45 percent). • In the early morning hours of July 20,...