Having worked at Amazon.com, we used to joke that we could get anyone to move to Seattle if they interviewed in August. The summers are pretty amazing in Seattle, but the weather sucks the other 9 months of the year.
Edit: Ok, fine, 2:30pm.
Nevermind, I found it myself: http://www.duckdodge.org/index.php
Although this year it sure looked like we started early.