大雨 (17日23時5分発表)[諏訪市]
| 01:00 | 20.3 | 19.1 | 18.0 | 19.2 | 19.6 | 20.0 | 18.4 | 18.5 | 17.7 |
| 02:00 | 19.9 | 19.2 | 17.8 | 19.2 | 19.3 | 19.7 | 18.4 | 18.2 | 17.8 |
| 03:00 | 19.7 | 19.1 | 17.5 | 18.8 | 19.0 | 19.5 | 18.3 | 17.8 | 17.5 |
| 04:00 | 19.8 | 18.9 | 17.1 | 18.3 | 18.6 | 19.0 | 17.7 | 17.4 | 17.7 |
| 05:00 | 19.2 | 18.7 | 16.9 | 18.2 | 18.5 | 19.2 | 17.9 | 17.3 | 17.6 |
| 06:00 | 19.1 | 18.8 | 17.0 | 18.3 | 19.3 | 19.3 | 18.7 | 17.5 | 17.6 |
| 07:00 | 20.8 | 19.5 | 18.0 | 19.9 | 21.5 | 20.8 | 21.4 | 18.8 | 17.8 |
| 08:00 | 21.8 | 20.2 | 19.9 | 21.9 | 22.8 | 22.2 | 21.3 | 20.3 | 18.4 |
| 09:00 | 23.0 | 22.7 | 22.0 | 23.2 | 24.1 | 23.6 | 23.7 | 21.2 | 20.1 |
| 10:00 | 24.9 | 24.0 | 24.0 | 24.9 | 25.8 | 25.0 | 24.1 | 23.6 | 21.4 |
| 11:00 | 26.9 | 26.2 | 25.1 | 26.1 | 26.9 | 26.3 | 25.1 | 25.0 | 23.6 |
| 12:00 | 27.8 | 26.8 | 26.7 | 28.7 | 28.1 | 27.9 | 23.2 | 26.3 | 22.9 |
| 13:00 | 27.5 | 26.6 | 26.2 | 27.4 | 27.6 | 26.8 | 24.4 | 25.1 | 21.6 |
| 14:00 | 27.8 | 27.5 | 26.1 | 27.7 | 26.6 | 28.0 | 25.8 | 24.4 | 26.0 |
| 15:00 | 27.7 | 28.1 | 27.5 | 25.5 | 26.2 | 26.8 | 23.4 | 26.2 | 24.4 |
| 16:00 | 26.2 | 25.9 | 25.1 | 25.5 | 25.4 | 26.3 | 24.1 | 23.4 | 24.3 |
| 17:00 | 26.0 | 25.0 | 23.7 | 24.9 | 25.1 | 26.1 | 23.5 | 22.3 | 22.1 |
| 18:00 | 25.2 | 24.4 | 22.5 | 24.2 | 24.5 | 25.5 | 21.8 | 21.5 | 22.3 |
| 19:00 | 21.7 | 20.4 | 17.8 | 21.2 | 23.9 | 22.9 | 21.7 | 21.1 | 20.0 |
| 20:00 | 21.9 | 19.5 | 18.0 | 20.2 | 21.1 | 22.2 | 19.9 | 20.0 | 19.1 |
| 21:00 | 21.2 | 19.8 | 18.4 | 19.4 | 20.7 | 21.3 | 19.6 | 19.7 | 19.3 |
| 22:00 | 21.3 | 20.0 | 18.5 | 19.5 | 20.4 | 21.2 | 18.9 | 18.7 | 18.5 |
| 23:00 | 21.1 | 20.2 | 18.6 | 19.6 | 20.5 | 21.1 | 19.2 | 18.9 | 18.9 |
| 24:00 |
