| January | February | March | April | May | June | |
| High Year |
1962 |
1899 |
1893 |
1940 |
1906 |
1917 |
| July | August | September | October | November | December | |
| High Year |
1972 |
1891 |
1899 |
1898 |
1891 |
1983 |
| January | February | March | April | May | June | |
| Low Year |
1973 |
1960 |
1932 |
1953 |
1973 |
1916 |
| July | August | September | October | November | December | |
| Low Year |
1926 |
1956 |
1961 |
1979 |
1992 |
1940 |
| January | February | March | April | May | June | |
| High Year |
1968 |
1989 |
1996 |
1971 |
1984 |
1979 |
| July | August | September | October | November | December | |
| High Year |
1988 |
1990 |
1996 |
1957 |
1959 |
1983 |
| January | February | March | April | May | June | |
| Low Year |
1996 |
1960 |
1977 |
1979 |
1973 |
1974 |
| July | August | September | October | November | December | |
| Low Year |
1993 |
1956 |
1961 |
1979 |
1961 |
1951 |