| Rank | Temperature | Date |
|---|---|---|
| 1 | 64 °F | June 24, 1921 |
| 2 | 63 °F | August 3, 2003 |
| 3 | 62 °F | September 7, 1988 |
| 4 | 61 °F | July 23, 1994 |
| 4 | 61 °F | August 6, 1988 |
| 4 | 61 °F | June 20, 1985 |
| 7 | 60 °F | September 18, 2004 |
| 7 | 60 °F | July 8, 1989 |
| 7 | 60 °F | August 1, 1988 |
| 7 | 60 °F | July 28, 1960 |
| 7 | 60 °F | August 1, 1945 |
| 7 | 60 °F | July 19, 1945 |
| 7 | 60 °F | August 14, 1937 |
| 14 | 59 °F | June 14, 2004 |
| 14 | 59 °F | July 25, 2003 |
| 14 | 59 °F | July 24, 2002 |
| 14 | 59 °F | July 6, 2001 |
| 14 | 59 °F | June 26, 1988 |
| 14 | 59 °F | August 20, 1983 |
| 14 | 59 °F | June 11, 1983 |
| 14 | 59 °F | September 30, 1967 |
| 14 | 59 °F | September 6, 1959 |
| 14 | 59 °F | July 15, 1943 |