Rank | Temperature | Date |
---|---|---|
1 | -23.9 °C | January 29, 1957 |
2 | -20.5 °C | February 3, 1990 |
3 | -20.0 °C | February 8, 1994 |
3 | -20.0 °C | February 4, 1990 |
3 | -20.0 °C | February 8, 1959 |
3 | -20.0 °C | January 30, 1957 |
3 | -20.0 °C | February 6, 1950 |
8 | -19.5 °C | January 31, 1993 |
8 | -19.5 °C | February 5, 1990 |
10 | -19.4 °C | January 26, 1957 |
10 | -19.4 °C | February 10, 1934 |
12 | -18.9 °C | January 13, 1971 |
12 | -18.9 °C | February 11, 1959 |
12 | -18.9 °C | January 22, 1934 |
15 | -18.5 °C | February 9, 1994 |
15 | -18.5 °C | February 17, 1979 |
17 | -18.0 °C | March 9, 1997 |
17 | -18.0 °C | March 1, 1992 |
17 | -18.0 °C | March 10, 1986 |
20 | -17.8 °C | February 23, 1972 |
20 | -17.8 °C | February 24, 1961 |
20 | -17.8 °C | January 28, 1957 |
20 | -17.8 °C | January 15, 1957 |
20 | -17.8 °C | January 19, 1947 |
20 | -17.8 °C | February 20, 1944 |
20 | -17.8 °C | February 16, 1938 |
20 | -17.8 °C | January 17, 1935 |