Rank | Temperature | Date |
---|---|---|
1 | 10.6 °C | June 15, 1958 |
2 | 11.3 °C | June 30, 1998 |
3 | 11.5 °C | August 14, 1976 |
4 | 11.7 °C | July 23, 1968 |
4 | 11.7 °C | July 13, 1963 |
4 | 11.7 °C | August 10, 1961 |
7 | 12.0 °C | July 10, 1978 |
8 | 12.1 °C | June 29, 1998 |
9 | 12.2 °C | July 5, 1964 |
10 | 12.3 °C | July 27, 1990 |
11 | 12.4 °C | July 18, 2004 |
11 | 12.4 °C | August 11, 2003 |
11 | 12.4 °C | July 23, 1987 |
14 | 12.5 °C | June 15, 1995 |
14 | 12.5 °C | July 12, 1974 |
16 | 12.7 °C | July 20, 1992 |
16 | 12.7 °C | July 31, 1990 |
18 | 12.8 °C | August 22, 1962 |
18 | 12.8 °C | June 22, 1960 |
20 | 13.0 °C | July 16, 2011 |
20 | 13.0 °C | July 2, 2010 |
20 | 13.0 °C | August 3, 1983 |