Rank | Temperature | Date |
---|---|---|
1 | 6.7 °C | August 5, 1973 |
2 | 7.3 °C | July 29, 1975 |
3 | 7.5 °C | July 23, 1990 |
4 | 7.8 °C | June 6, 2023 |
4 | 7.8 °C | August 27, 2004 |
4 | 7.8 °C | July 27, 1967 |
7 | 7.9 °C | July 29, 1993 |
8 | 8.0 °C | June 9, 1973 |
9 | 8.1 °C | July 14, 1986 |
9 | 8.1 °C | June 22, 1981 |
11 | 8.2 °C | September 24, 1971 |
12 | 8.3 °C | July 12, 1957 |
13 | 8.4 °C | June 8, 1995 |
13 | 8.4 °C | July 15, 1967 |
15 | 8.6 °C | August 12, 1993 |
15 | 8.6 °C | July 21, 1978 |
15 | 8.6 °C | June 29, 1965 |
18 | 8.7 °C | June 20, 1981 |
18 | 8.7 °C | September 1, 1969 |
20 | 8.9 °C | August 9, 2022 |
20 | 8.9 °C | June 29, 2009 |
20 | 8.9 °C | August 28, 1992 |
20 | 8.9 °C | June 27, 1991 |
20 | 8.9 °C | July 29, 1974 |
20 | 8.9 °C | July 31, 1965 |
20 | 8.9 °C | July 28, 1960 |
20 | 8.9 °C | July 26, 1958 |
20 | 8.9 °C | July 13, 1958 |