UW-Madison experienced a large chilled water line break in mid-June, which significantly reduced its ability to keep campus buildings cool and less humid. Campus is understandably prioritizing health care facilities and labs with living subjects. UW-Madison has also closed (and stopped cooling) a bunch of buildings which were not being used between semesters or whose functions can be performed elsewhere. (List at https://news.wisc.edu/campus-cooling-issues/#building-closures)
Among the buildings caught in limbo are the libraries, including mine. We have some chilling, plus extra fans and dehumidifiers (ServPro is gonna make bank off this situation). Other campus buildings have temporary chillers set up outside. These rented HVAC units are the size of a railroad car. Memorial Library, the main campus library and my building's neighbor, has half a dozen of these rented units between their building and mine and I can hear the low roar from the equipment all the time. They're reportedly fueled with propane, which of course adds more heat to the immediate area.
Last week, when an excessive heat warning was in place, the extra equipment was struggling to keep up. From last Friday through Tuesday, it was more reasonable outside and the extra equipment managed much better. Today (Wednesday), I can feel the extra humidity coming back in parts of my building.
Campus says to expect these conditions for a month, and the scuttlebutt is one month is the most optimistic scenario. It's just very low-key miserable in the meantime. It bugs me.