True all round. I rode home in shorts yesterday. Admittedly that was pushing it a little -- I was a little chilled when I got home -- but it was pdg (pretty damn good).
One good thing about my new commute: it starts with a short, and very, very vicious hill to get out of the (overheated) parking garage, so at least I'm warm when I start riding in the outside world.
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Zero gallons to the mile