| 観測時刻 | 気温[℃] | 路温[℃] | 路面状態 |
| 02/17 20:00 | 2.1 | 3.0 | --- |
| 02/17 21:00 | 2.3 | 1.5 | --- |
| 02/17 22:00 | 3.2 | 0.5 | --- |
| 02/17 23:00 | 2.7 | -0.1 | --- |
| 02/18 00:00 | 1.6 | -1.1 | --- |
| 02/18 01:00 | 2.3 | -0.6 | --- |
| 02/18 02:00 | 1.9 | -0.7 | --- |
| 02/18 03:00 | 1.2 | 0.7 | --- |
| 02/18 04:00 | 1.5 | -0.2 | --- |
| 02/18 05:00 | 2.2 | -0.8 | --- |
| 02/18 06:00 | 2.8 | 1.0 | --- |
| 02/18 07:00 | 3.2 | 2.1 | --- |
| 02/18 08:00 | 3.4 | 3.1 | --- |
| 02/18 09:00 | 3.7 | 3.9 | --- |
| 02/18 10:00 | 4.0 | 5.0 | --- |
| 02/18 11:00 | 4.4 | 7.4 | --- |
| 02/18 12:00 | 4.5 | 7.8 | --- |
| 02/18 13:00 | 5.1 | 8.9 | --- |
| 02/18 14:00 | 5.4 | 10.3 | --- |
| 02/18 15:00 | 6.0 | 12.9 | --- |
| 02/18 16:00 | 7.0 | 14.7 | --- |
| 02/18 17:00 | 6.8 | 10.6 | --- |
| 02/18 18:00 | 6.3 | 7.6 | --- |
| 02/18 19:00 | 4.9 | 5.6 | --- |