The frequency of 90 degree days has plummeted in Illinois, so experts warn they will increase to catastrophic levels.
The closest USHCN station to Chicago is at Aurora. The frequency of ninety degree days is down about 50% since the 1890s.
Same story as the rest of the state.
Experts have known this for decades. Illinois is cooling as CO2 increases.
Chicago Tribune Archive | April 23, 1984
This article is typical of climate journalism. It states the exact opposite of what the data shows.
