Suntimes put out an article: 'All heat-related deaths are preventable but in the Chicago area 16 died from heat this summer' [article link]
I dunno. Here at Clark & Diversey it wasn't too bad. Every evening before going to bed, I'd open up all the windows. Then in the early morning I'd close them. Apartment stayed relatively cool the entire season. Didn't once use the air-conditioner.
