Living in a city that ranks within the bottom quartile for “average sunny days per year”, one of my favorite experiences is breaking through the cloud barrier on a rainy morning only to see the sun shining brightly above the layers. I cannot help but think that if one's hometown gets less than 100 days of sun annually, one's outlook will be somewhat more optimistic if that cloud barrier is broken on a regular basis (ceteris paribus).
(Did you know that Miami, Florida is also in the bottom quartile of the “average sunny days” ranking?)