Most wins in a season: 38 in 1911
Most losses in a season: 17 in 1911
The Centralia Pets, a minor league baseball team, played in the Washington State League between 1911 and 1911.
Average attendance is based upon the number of actual home dates where known (most leagues from 1992 and later). Where the number of home dates is not known, the average is calculated using half the team's total games.