| Hourly Rel. Humid. | Date | Time | Temp (C) | Wind Speed | Dew Point (C) |
| 6 | 16 Jan 1987 | 1700 | 35.2 | 16 | -7 |
| 4 | 17 Jan 1987 | 1700 | 31.8 | 10 | -16 |
| 7 | 22 Jan 1987 | 1700 | 24 | 14 | -14 |
| 6 | 27 Jan 1987 | 1400 | 29.5 | 17 | -12 |
| 3 | 27 Jan 1987 | 1700 | 27.3 | 8 | -21 |
| 10 | 29 Jan 1987 | 1700 | 28 | 8 | -7 |
| 8 | 1 Feb 1987 | 1700 | 36.1 | 6 | -3 |
| 5 | 3 Feb 1987 | 2000 | 21.2 | 5 | -19 |
| 8 | 20 Apr 1987 | 1200 | 15.2 | 10 | -19 |