Originally Posted by msincredible

Those of you who are advising riding harder, have you gone on rides up in the mountains? There can easily be a 30 degree difference between the bottom and the top. And it's hard to ride harder when you are descending at 35 mph without pedaling.

One ride last year I started out in the morning at ~45F (by my home) and ended up at 100F in the afternoon (on the coast).