Most wins in a season: 34 in 1903
Most losses in a season: 26 in 1903
The Atlantic, a minor league baseball team, played in the Southwest Iowa League between 1903 and 1903.
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.