Rank | Temperature | Date |
---|---|---|
1 | -24.8 °C | February 22, 1963 |
2 | -23.6 °C | March 4, 1969 |
3 | -23.0 °C | February 20, 1963 |
4 | -22.9 °C | February 10, 1973 |
5 | -22.8 °C | February 6, 1973 |
6 | -22.6 °C | February 11, 1973 |
7 | -22.5 °C | March 5, 1977 |
8 | -22.2 °C | January 4, 1988 |
9 | -21.7 °C | February 21, 1963 |
10 | -21.6 °C | January 18, 1966 |
11 | -21.3 °C | December 25, 1987 |
11 | -21.3 °C | January 12, 1979 |
13 | -21.1 °C | February 12, 1970 |
14 | -21.0 °C | January 24, 1988 |
15 | -20.9 °C | February 20, 1987 |
16 | -20.8 °C | February 15, 1972 |
17 | -20.6 °C | February 3, 1968 |
18 | -20.5 °C | February 21, 1987 |
18 | -20.5 °C | February 11, 1970 |
20 | -20.4 °C | January 16, 1997 |
20 | -20.4 °C | March 10, 1968 |