Most wins in a season: 20 in 1905
Most losses in a season: 16 in 1905
The Olympia Senators, a minor league baseball team, played in the Southwest Washington League between 1903 and 1905.
|1903||Olympia Senators||Southwest Washington League||7||11||Roster||Stats|
|1904||Olympia Senators||Southwest Washington League||6||12||Roster||Stats|
|1905||Olympia Senators||Southwest Washington League||20||16||Roster||Stats|
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.