| Date | March Record (in.) |
Years | April Record (in.) |
Years | May Record (in.) |
Years |
|---|---|---|---|---|---|---|
| 1 | 7.3 | 1953 | 2.0 | 2018 | 0.2 | 1940 |
| 2 | 6.3 | 1978 | 2.3 | 1881 | 0.6 | 1929 |
| 3 | 3.4 | 1988 | 2.8 | 1899 | Trace | 1954 |
| 4 | 4.0 | 2008 | 4.7 | 1920 | Trace | 1951 |
| 5 | 2.9 | 1931 | 3.0 | 1971 | Zero | - |
| 6 | 5.4 | 1931 | 1.8 | 1920 | Zero | - |
| 7 | 8.2 | 1978 | 2.0 | 1957 | Zero | - |
| 8 | 6.3 | 1999 | 3.0 | 1982 | Trace | 1923 |
| 9 | 5.9 | 1979 | 1.6 | 1961 | Trace | 1966 |
| 10 | 3.2 | 1937 | 0.5 | 1973 | Trace | 1966 |
| 11 | 7.5 | 1906 | 1.4 | 1940 | Trace | 1952 |
| 12 | 3.9 | 1980 | 1.5 | 1951 | Zero | - |
| 13 | 4.4 | 2017 | 0.2 | 1980 | Zero | - |
| 14 | 3.7 | 1916 | 6.1 | 1980 | Zero | - |
| 15 | 2.5 | 1960 | 1.9 | 1949 | Zero | - |
| 16 | 2.9 | 1960 | 0.1 | 1905, 1951 | Zero | - |
| 17 | 5.0 | 1934 | 1.6 | 1953 | Zero | - |
| 18 | 0.6 | 1947 | 0.3 | 1910 | Zero | - |
| 19 | 9.2 | 1906 | Trace | 1953 | Zero | - |
| 20 | 3.9 | 1881 | 0.3 | 2021 | Zero | - |
| 21 | 5.5 | 2006 | Trace | 1893 | Zero | - |
| 22 | 3.6 | 1933 | Trace | 1893 | Zero | - |
| 23 | 2.1 | 2006 | 2.6 | 1910 | Zero | - |
| 24 | 17.0 | 2013 | 0.6 | 1910 | Zero | - |
| 25 | 4.8 | 1930 | Trace | 1910 | Zero | - |
| 26 | 5.7 | 1934 | Zero | - | Zero | - |
| 27 | 0.7 | 1947 | Zero | - | Zero | - |
| 28 | 2.6 | 1888 | Trace | 1950, 2008 | Zero | - |
| 29 | 5.8 | 2009 | Zero | - | Zero | - |
| 30 | 6.1 | 1926 | Zero | - | Zero | - |
| 31 | 2.5 | 1926 | - | - | Zero | - |
Records began in 1881.