Illinois Weather Trivia for July 1st
- Weather records began in Springfield. The first observing site was downtown, on top of the Springer building at 6th and Monroe Streets, recording high and low temperature, as well as precipitation. The official observing site remained in downtown Springfield until the mid 1930's, when a second site was added at the old Southwest Airport. Even though weather observations were taken at Southwest Airport and later Capital Airport, the downtown weather office did not close until 1954.
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