| Hourly Rel. Humid. | Date | Time | Temp (C) | Wind Speed | Dew Point (C) |
| 8 | 24 Dec 1956 | 1800 | 30.5 | 13 | -8 |
| 9 | 25 Dec 1956 | 1500 | 23.3 | 16 | -12 |
| 7 | 29 Dec 1956 | 1800 | 22.8 | 16 | -15 |
| 9 | 31 Dec 1956 | 1500 | 32.6 | 20 | -4 |
| 9 | 10 Jan 1957 | 1500 | 27.1 | 11 | -9 |
| 10 | 13 Jan 1957 | 1500 | 34.6 | 11 | -2 |
| 10 | 14 Jan 1957 | 1500 | 34.7 | 18 | -1 |
| 7 | 14 Jan 1957 | 1800 | 32.8 | 13 | -7 |
| 10 | 15 Jan 1957 | 1800 | 32.1 | 12 | -3 |