How about this:
The mean is useful only for the general longwave pattern, useless for storm location. For storm location you have to look at the clusters. Otherwise, you are falling for "The Golden Mean Fallacy".
I used to ride my bike there almost weekly. I would start at the Hawley School in Newtown. Go through Brookfield, Bridgewater, Roxbury, Wash Depot, Woodbury, down to South Britain, back to Newtown. 45 miles.