By my calculations, autumn arrived in the Twin Cities just after 9:00 AM on Friday. That was when the first drops of rain hit my bike helmet as I turned onto Kellogg Avenue; by the time I passed the St. Paul Central Library, I was caught in an autumnal downpour that was more chilling than refreshing.
That was really just a taste of fall, though; by the late afternoon it had cleared up, and the weekend wasn’t bad; we even worked a bike ride to Freewheel on Sunday between rain…