| Rank | Temperature | Date |
|---|---|---|
| 1 | 67 °F | August 1, 1994 |
| 2 | 66 °F | July 11, 1925 |
| 3 | 65 °F | August 22, 2010 |
| 3 | 65 °F | July 31, 2000 |
| 5 | 64 °F | July 24, 2006 |
| 5 | 64 °F | July 18, 2004 |
| 5 | 64 °F | July 14, 2002 |
| 5 | 64 °F | July 5, 2001 |
| 5 | 64 °F | July 27, 1988 |
| 5 | 64 °F | July 10, 1925 |
| 5 | 64 °F | July 14, 1922 |
| 5 | 64 °F | July 23, 1919 |
| 13 | 63 °F | July 29, 2022 |
| 13 | 63 °F | August 13, 2001 |
| 13 | 63 °F | July 27, 1984 |
| 13 | 63 °F | August 9, 1983 |
| 13 | 63 °F | August 8, 1983 |
| 13 | 63 °F | July 20, 1921 |
| 13 | 63 °F | July 27, 1917 |
| 13 | 63 °F | May 26, 1901 |