I realize that there are "average number of hours of sunlight" statistics available, but that's not quite what I'm looking for. I'll be looking at places in the western US to live and I've come to realize that the above measure in the title is the most important for me. My perfect climate would be one hour of rain per day, every day of the year. Gray skies and storms are perfectly fine, since that means cool temps and a green landscape. I don't like dry and sunny every day - and especially don't like the desert. Seattle has a perfect amount of rain, 37"/yr, but is not quite right since it has too many hours of rain each day. The town of Sequim, near Seattle and in the rain shadow of the Olympics, is somewhat interesting to me since it only gets 1/2 the rain of Seattle. At any rate, would sure appreciate it if someone could point me to some resources. Thanks!