Not enough days in 1931 season to compile WAA record.
The line graph below shows daily WAA and Batting Average for reference. Fluctuation in batting average decreases as a season progresses. BA for pitchers is batting average against.
| Date | Rank | WAA | TeamID |
|---|---|---|---|
| 19310510 | XXXXX | 0.94 | CHA |
| 19310524 | +005+ | 3.13 | CHA |
| 19310607 | +012+ | 3.00 | CHA |
| 19310621 | XXXXX | 1.05 | CHA |
| 19310705 | XXXXX | -0.12 | CHA |
| 19310719 | -049- | -1.71 | CHA |
| 19310802 | -001- | -6.71 | CHA |
| 19310816 | -001- | -6.50 | CHA |
| 19310830 | -001- | -8.27 | CHA |
| 19310913 | -001- | -11.07 | CHA |
| 19310927 | -001- | -11.22 | CHA |
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