Some of the state’s top researchers say climate change isn’t just a possibility for Wisconsin. It’s a reality that’s already happening, in the form of higher temperatures and more rain.”Since 1939 for Madison we’ve been collecting weather observations,” said Michael Notaro. “If you look at the top 20 rainfall events, half of them have occurred since the turn of the (21st) century alone, so, in recent years we’ve had more frequent (precipitation) events of over 3 inches over the last decade than we had in the last six decades combined.”