| Rank | Temperature | Date |
|---|---|---|
| 1 | -15.9 °C | February 1, 1956 |
| 2 | -15.2 °C | January 12, 1987 |
| 3 | -15.1 °C | February 10, 1956 |
| 4 | -14.5 °C | January 8, 1985 |
| 5 | -13.8 °C | February 2, 1956 |
| 6 | -13.0 °C | January 7, 1985 |
| 6 | -13.0 °C | December 23, 1962 |
| 8 | -12.5 °C | December 28, 1962 |
| 8 | -12.5 °C | December 26, 1962 |
| 10 | -12.4 °C | December 27, 1962 |
| 11 | -12.1 °C | January 18, 1966 |
| 11 | -12.1 °C | February 12, 1956 |
| 13 | -12.0 °C | December 19, 2009 |
| 13 | -12.0 °C | January 13, 1987 |
| 15 | -11.3 °C | January 14, 1982 |
| 15 | -11.3 °C | January 13, 1968 |
| 17 | -11.1 °C | February 3, 1954 |
| 18 | -11.0 °C | February 7, 2012 |
| 18 | -11.0 °C | January 13, 1963 |
| 20 | -10.9 °C | January 9, 1985 |
| 20 | -10.9 °C | January 17, 1966 |