Originally Posted by livedarklions

I rode 138 somewhat hilly miles in high 80s/low 90s weather with dead calm in one direction, then about a 4 mph headwind on the return trip. I realized that at that temperature range, going uphill into the headwind was actually a little easier as the airflow was actually cooling me off a little. Anyone else think this?

Do you have any other seemingly paradoxical effects like this?