| 観測時刻 | 気温[℃] | 路温[℃] | 路面状態 |
| 02/17 19:00 | 1.9 | 3.5 | 湿潤 |
| 02/17 20:00 | 1.6 | 2.8 | 湿潤 |
| 02/17 21:00 | 1.9 | 2.3 | 湿潤 |
| 02/17 22:00 | 3.2 | 1.7 | 凍結 |
| 02/17 23:00 | 2.6 | 1.1 | 凍結 |
| 02/18 00:00 | 2.2 | 0.7 | 凍結 |
| 02/18 01:00 | 2.2 | 0.5 | 凍結 |
| 02/18 02:00 | 1.4 | 0.0 | 凍結 |
| 02/18 03:00 | 1.3 | 0.6 | 凍結 |
| 02/18 04:00 | 1.3 | 0.9 | 凍結 |
| 02/18 05:00 | 1.8 | 0.5 | 凍結 |
| 02/18 06:00 | 2.7 | 1.8 | 湿潤 |
| 02/18 07:00 | 3.0 | 2.6 | 湿潤 |
| 02/18 08:00 | 3.4 | 3.6 | 湿潤 |
| 02/18 09:00 | 3.6 | 4.3 | 湿潤 |
| 02/18 10:00 | 4.1 | 5.5 | 湿潤 |
| 02/18 11:00 | 4.6 | 8.0 | 湿潤 |
| 02/18 12:00 | 4.6 | 7.7 | 湿潤 |
| 02/18 13:00 | 5.3 | 9.4 | 湿潤 |
| 02/18 14:00 | 5.6 | 10.6 | 湿潤 |
| 02/18 15:00 | 6.5 | 12.1 | 湿潤 |
| 02/18 16:00 | 6.9 | 13.7 | 湿潤 |
| 02/18 17:00 | 6.8 | 10.8 | 湿潤 |
| 02/18 18:00 | 6.4 | 8.1 | 湿潤 |