| August |
| Rank |
# of Days |
Year |
1 (tie) |
27 |
2000 |
| 27 |
1952 |
| 3 |
26 |
1999 |
4 (tie) |
25 |
2006 |
| 25 |
1951 |
6 (tie) |
21 |
1980 |
| 21 |
1956 |
| 21 |
1943 |
| 9 |
20 |
1954 |
10 (tie) |
19 |
1985 |
| 19 |
1963 |
|
| September |
| Rank |
# of Days |
Year |
| 1 |
7 |
2000 |
| 2 |
6 |
1951 |
3 (tie) |
5 |
1998 |
| 5 |
1954 |
| 5 |
1947 |
| 5 |
1939 |
7 (tie) |
4 |
2005 |
| 4 |
1989 |
| 4 |
1985 |
| 4 |
1980 |
| 4 |
1963 |
| 4 |
1953 |
| 4 |
1931 |
| 4 |
1907 |
|