| Date | Mendota | Monona | Waubesa | Kegonsa |
|---|---|---|---|---|
| 5/6/2021 | 850.04 | 845.13 | 844.90 | 843.37 |
| 5/7/2021 | 850.05 | 845.09 | 844.88 | 843.36 |
| 5/8/2021 | 850.03 | 845.06 | 844.84 | 843.33 |
| 5/9/2021 | 850.02 | 845.05 | 844.79 | 843.32 |
| 5/10/2021 | 850.00 | 845.02 | 844.75 | 843.28 |
| 5/11/2021 | 849.99 | 844.98 | 844.88 | 843.26 |
| 5/12/2021 | 849.97 | 845.00 | 844.89 | 843.24 |
