| Month | Highest Temp | Day and Year | Lowest Temp | Day and Year | Coldest High | Day and Year | Warmest Low | Day and Year |
|---|---|---|---|---|---|---|---|---|
| January | 71 | 23/1909 | -27 | 05/1884 | -16 | 05/1884 | 59 | 02/1897 |
| February | 74 | 10/1932 20/2017 |
-26 | 13/1905 | -7 | 13/1905 | 54 | 24/1930 |
| March | 87 | 21/1907 | -11 | 08/1943 | 8 | 06/1899 | 64 | 30/1998 |
| April | 92 | 10/1930 25/1986 29/1894 29/1899 |
14 | 05/1920 06/1982 07/1982 02/2018 |
29 | 06/1982 | 72 | 28/1896 |
| May | 104 | 31/1934 | 25 | 10/1966 | 38 | 01/1909 | 75 | 29/1895 31/1895 |
| June | 105 | 01/1934 25/1988 29/1936 |
39 | 01/1993 04/1931 04/1945 |
49 | 03/1945 | 80 | 25/1890 |
| July | 113 | 15/1936 | 46 | 26/1911 | 62 | 05/1909 | 80 | 24/1892 |
| August | 106 | 18/1936 | 41 | 26/1910 28/1986 31/1915 |
61 | 25/1987 | 82 | 22/1936 |
| September | 104 | 05/1899 | 24 | 28/1942 | 45 | 25/1942 | 76 | 03/1939 |
| October | 93 | 03/2006 | 7 | 30/1925 | 21 | 29/1925 | 72 | 05/1884 |
| November | 81 | 01/1937 01/1950 |
-2 | 26/1977 | 8 | 24/1950 | 62 | 03/1938 06/1924 23/1931 |
| December | 71 | 02/1982 03/1970 |
-24 | 28/1924 | -11 | 24/1983 | 59 | 02/1982 |
| MONTH | Maximum Precipitation |
Day and Year | Maximum Snowall | Day and Year |
|---|---|---|---|---|
| January | 4.43 inches | 01/1965 | 12.2 inches | 13/1979 |
| February | 2.85 inches | 11/1887 | 11.8 inches | 1/2011 |
| March | 2.88 inches | 14/1944 | 8.1 inches | 25/1957 |
| April | 5.06 inches | 24/1950 | 6.0 inches | 04/1920 08/1938 |
| May | 5.52 inches | 18/1927 | 0.1 inch | 08/1923 08/1966 |
| June | 4.74 inches | 24/1911 | Zero | None |
| July | 4.09 inches | 17/1895 | Zero | None |
| August | 4.32 inches | 29/1955 | Zero | None |
| September | 4.11 inches | 13/1961 | 1.0 inch | 25/1942 |
| October | 3.62 inches | 10/1969 | 3.9 inches | 31/2019 |
| November | 4.26 inches | 27/1990 | 6.8 inches | 26/1975 |
| December | 2.60 inches | 18/1895 | 8.0 inches | 02/1893 11/2000 |
| Rank | Wettest | Month and Year | Rank | Driest | Month and Year |
|---|---|---|---|---|---|
| 1 | 13.09 inches | September 1961 | 1 (tie) | 0.03 inches | October 1964 |
| 2 | 12.34 inches | September 2008 | 1 (tie) | 0.03 inches | September 1979 |
| 3 | 12.30 inches | September 1911 | 3 (tie) | 0.07 inches | November 1917 |
| 4 | 11.69 inches | June 1974 | 3 (tie) | 0.07 inches | January 1919 |
| 5 | 11.60 inches | June 2015 | 5 | 0.10 inches | October 1904 |
| 6 | 11.55 inches | September 1926 | 6 | 0.12 inches | November 1904 |
| 7 (tie) | 11.49 inches | September 1970 | 7 | 0.14 inches | February 1907 |
| 7 (tie) | 11.49 inches | May 1915 | 8 | 0.20 inches | November 1914 |
| 9 | 10.58 inches | September 1936 | 9 | 0.22 inches | January 1986 |
| 10 | 10.53 inches | October 1941 | 10 | 0.24 inches | March 1885 |
| Rank | Snowiest | Month and Year |
|---|---|---|
| 1 | 24.7 inches | January 1979 |
| 2 | 22.9 inches | February 2014 |
| 3 | 21.7 inches | December 1977 |
| 4 | 21.0 inches | December 2000 |
| 5 | 20.9 inches | February 2011 |
| 6 | 19.2 inches | December 2010 |
| 7 | 18.9 inches | December 1973 |
| 8 | 18.3 inches | February 2010 |
| 9 (tie) | 18.2 inches | January 2014 |
| 9 (tie) | 18.2 inches | March 1926 |
| Event | Value | Date |
|---|---|---|
| Record High Temperature | 113 degrees | July 15, 1936 |
| Record Coldest High Temperature | -16 degrees | January 5, 1884 |
| Record Low Temperature | -27 degrees | January 5, 1884 |
| Record Warmest Low Temperature | 82 degrees | August 22, 1936 |
| Record Precipitation (calendar day and for any 24-hour period) |
5.52 inches | May 18, 1927 |
| Record Snowfall (calendar day) | 12.2 inches | January 13, 1979 |
| Record Snowfall (snowstorm) | 15.0 inches | February 1-2, 2011 |
Temperature and precipitation records date from 1883, and snowfall records date from 1896.
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