| Rank | Temperature | Date |
|---|---|---|
| 1 | -16.1 °C | January 12, 1987 |
| 2 | -15.6 °C | February 1, 1956 |
| 3 | -15.5 °C | January 9, 1985 |
| 3 | -15.5 °C | December 21, 1969 |
| 5 | -15.4 °C | January 13, 1987 |
| 6 | -14.2 °C | February 2, 1956 |
| 7 | -13.5 °C | January 3, 1971 |
| 8 | -13.4 °C | December 27, 1962 |
| 8 | -13.4 °C | February 10, 1956 |
| 10 | -12.7 °C | January 10, 1985 |
| 11 | -12.3 °C | January 31, 1956 |
| 12 | -12.2 °C | January 7, 1947 |
| 13 | -11.8 °C | January 7, 1985 |
| 13 | -11.8 °C | December 23, 1962 |
| 15 | -11.7 °C | January 2, 1979 |
| 15 | -11.7 °C | February 12, 1956 |
| 17 | -11.6 °C | December 3, 1973 |
| 18 | -11.4 °C | January 8, 1985 |
| 18 | -11.4 °C | January 13, 1968 |
| 18 | -11.4 °C | December 26, 1962 |