Most wins in a season: 19 in 1898
Most losses in a season: 26 in 1898
The Spokane Siwashes, an independent, minor league baseball team, played in the New Pacific League and Pacific Northwest League between 1898 and 1898.
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.