Mother Nature's a Bitch

As I was preparing to convert my PR races from the Runners World training log to Buckeye Sports this morning, I noticed that my pace didn't follow the assumed relationship that it should follow with race distance. Looking at races, I distinctly remembered some days as being cold and others warm; I looked up race day highs and lows and the results showed what I expected. I am definetely a cooler weather runner; anything above 60 and I'm not a happy camper or runner as the case may be. These are my PR's from shortest to longest distance: