| Rank | Temperature | Date |
|---|---|---|
| 1 | 78 °F | July 19, 2013 |
| 1 | 78 °F | August 1, 2006 |
| 1 | 78 °F | July 15, 1977 |
| 1 | 78 °F | June 20, 1953 |
| 5 | 77 °F | August 12, 2016 |
| 5 | 77 °F | July 22, 2016 |
| 5 | 77 °F | June 8, 2011 |
| 8 | 76 °F | June 30, 2018 |
| 8 | 76 °F | June 19, 2012 |
| 8 | 76 °F | July 18, 2011 |
| 8 | 76 °F | July 4, 1999 |
| 8 | 76 °F | August 14, 1995 |
| 8 | 76 °F | July 19, 1977 |
| 8 | 76 °F | June 28, 1959 |
| 15 | 75 °F | August 13, 2016 |
| 15 | 75 °F | September 10, 2013 |
| 15 | 75 °F | July 5, 2010 |
| 15 | 75 °F | August 2, 1988 |
| 15 | 75 °F | June 15, 1981 |
| 15 | 75 °F | July 20, 1977 |
| 15 | 75 °F | August 6, 1968 |
| 15 | 75 °F | June 25, 1952 |