| 時 | 気温（℃） | |||||
| 00分 | 10分 | 20分 | 30分 | 40分 | 50分 | |
| 0 | 8.9 | 8.7 | 8.5 | 8.5 | 8.4 | 8.5 |
| 1 | 8.2 | 8.1 | 7.8 | 7.7 | 7.3 | 7.5 |
| 2 | 6.9 | 6.6 | 6.5 | 6.3 | 6.4 | 6.4 |
| 3 | 6.2 | 5.9 | 5.7 | 5.9 | 5.8 | 5.5 |
| 4 | 5.6 | 5.5 | 5.5 | 5.5 | 5.4 | 5.1 |
| 5 | 5.2 | 5.0 | 5.0 | 4.9 | 4.9 | 4.8 |
| 6 | 4.6 | 4.9 | 5.2 | 5.3 | 5.6 | 6.0 |
| 7 | 6.6 | 7.0 | 7.7 | 8.1 | 8.5 | 9.0 |
| 8 | 9.6 | 10.0 | 10.7 | 10.9 | 11.7 | 12.4 |
| 9 | 12.6 | 13.7 | 14.1 | 15.1 | 15.9 | 16.5 |
| 10 | 16.1 | 16.7 | 17.4 | 16.8 | 18.1 | 18.4 |
| 11 | 17.8 | 18.1 | 19.0 | 19.3 | 19.3 | 20.4 |
| 12 | 20.1 | 20.4 | 20.5 | 21.0 | 21.1 | 21.5 |
| 13 | 22.1 | 21.8 | 22.3 | 22.7 | 21.9 | 22.0 |
| 14 | 21.8 | 23.1 | 22.7 | 23.5 | 23.6 | 23.6 |
| 15 | 23.8 | 23.4 | 23.2 | 23.6 | 22.8 | 23.3 |
| 16 | 22.7 | 22.6 | 22.6 | 22.5 | 22.3 | 22.2 |
| 17 | 21.9 | 21.6 | 21.2 | 20.7 | 20.4 | 19.8 |
| 18 | 19.8 | 19.4 | 19.1 | 18.7 | 18.4 | 17.9 |
| 19 | 17.4 | 16.7 | 16.5 | 16.1 | 16.0 | 15.5 |
| 20 | 15.2 | 14.7 | 14.7 | 14.6 | 14.3 | 14.2 |
| 21 | 13.8 | -- | -- | -- | -- | -- |
| 22 | -- | -- | -- | -- | -- | -- |
| 23 | -- | -- | -- | -- | -- | -- |
| 日平均気温 | 最高気温 | 最低気温 |
| 14.0 ℃ | 24.0 ℃ (14:59) |
4.6 ℃ (06:06) |