| Period | Floor 1 | Floor 2 | Floor 3 | Floor 4 | ||||
| Period average (˚C) | Standard deviation (˚C) | Period average (˚C) | Standard deviation (˚C) | Period average (˚C) | Standard deviation (˚C) | Period average (˚C) | Standard deviation (˚C) | |
| May | 22.4 | 2.6 | 22.5 | 2.9 | 22.5 | 2.7 | 21.6 | 3.8 |
| June | 21.3 | 1.8 | 21.6 | 2.1 | 21.4 | 2.0 | 21.1 | 3.1 |
| July | 23.2 | 1.4 | 23.9 | 1.5 | 23.8 | 1.5 | 23.9 | 2.8 |
| August | 23.2 | 2.7 | 23.9 | 2.9 | 23.9 | 2.8 | 24.2 | 4.0 |
| September | 25.6 | 1.9 | 26.3 | 1.8 | 26.3 | 1.8 | 26.8 | 2.2 |