| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 39.5 | 44.8 | 53.0 | 61.9 | 70.1 | 82.6 | 88.5 | 85.9 | 77.8 | 66.1 | 49.5 | 41.2 | 63.4 |
| Highest Mean Max. Temperature (F) | 50.0 | 55.8 | 61.2 | 69.6 | 76.5 | 87.2 | 93.1 | 93.2 | 84.9 | 71.8 | 62.0 | 50.7 | 93.2 |
| Year Highest Occurred | 1986 | 1991 | 1972 | 1981 | 1998 | 1977 | 1980 | 2000 | 1998 | 1975 | 1999 | 1980 | 2000 |
| Lowest Mean Max. Temperature (F) | 27.0 | 30.5 | 46.9 | 53.2 | 59.7 | 74.2 | 83.0 | 79.3 | 70.5 | 59.5 | 38.8 | 25.0 | 25.0 |
| Year Lowest Occurred | 1979 | 1989 | 1980 | 1984 | 1995 | 1982 | 1992 | 1992 | 1973 | 1984 | 1985 | 1983 | 1983 |
| Mean Temperature (F) | 26.8 | 31.5 | 39.1 | 47.5 | 56.9 | 67.6 | 73.7 | 71.6 | 62.8 | 50.8 | 36.5 | 28.5 | 49.4 |
| Highest Mean Temperature (F) | 35.9 | 39.2 | 45.5 | 54.5 | 61.6 | 71.8 | 77.4 | 77.1 | 69.1 | 53.6 | 45.5 | 35.6 | 77.4 |
| Year Highest Occurred | 1986 | 1991 | 1986 | 1981 | 1998 | 1988 | 1980 | 1983 | 1998 | 1979 | 1999 | 1980 | 1980 |
| Lowest Mean Temperature (F) | 15.0 | 19.7 | 34.3 | 41.6 | 50.5 | 61.7 | 69.7 | 67.3 | 58.3 | 46.0 | 28.6 | 14.4 | 14.4 |
| Year Lowest Occurred | 1979 | 1989 | 1980 | 1983 | 1995 | 1982 | 1972 | 1992 | 1974 | 1976 | 1985 | 1983 | 1983 |
| Mean Min. Temperature (F) | 14.0 | 18.1 | 25.1 | 33.0 | 43.6 | 52.6 | 58.8 | 57.3 | 47.8 | 35.5 | 23.5 | 15.8 | 35.4 |
| Highest Mean Min. Temperature (F) | 21.7 | 26.4 | 31.1 | 39.3 | 48.0 | 56.9 | 62.4 | 61.2 | 53.3 | 38.3 | 29.0 | 20.9 | 62.4 |
| Year Highest Occurred | 1986 | 1992 | 1986 | 1981 | 1987 | 1991 | 1999 | 1983 | 1998 | 1994 | 1999 | 1994 | 1999 |
| Lowest Mean Min. Temperature (F) | 2.9 | 8.9 | 20.4 | 29.1 | 39.3 | 48.5 | 55.3 | 53.8 | 41.8 | 30.6 | 18.3 | 3.7 | 2.9 |
| Year Lowest Occurred | 1979 | 1989 | 1976 | 1997 | 1983 | 2000 | 1972 | 1974 | 1974 | 1976 | 1985 | 1983 | 1979 |
| Mean Precipitation (in.) | 0.59 | 0.55 | 1.31 | 1.84 | 3.42 | 2.61 | 2.67 | 2.17 | 1.00 | 0.90 | 0.75 | 0.40 | 18.21 |
| Highest Precipitation (in.) | 2.20 | 1.55 | 4.31 | 5.95 | 8.70 | 6.68 | 7.71 | 7.65 | 3.32 | 2.38 | 2.53 | 1.92 | 8.70 |
| Year Highest Occurred | 1992 | 1993 | 1981 | 1984 | 1995 | 1972 | 1991 | 1992 | 1996 | 1994 | 1972 | 1973 | 1995 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.22 | 0.26 | 0.60 | 0.71 | 0.35 | 0.01 | 0.00 | 0.07 | 0.00 | 0.00 |
| Year Lowest Occurred | 1986 | 1999 | 1997 | 1992 | 1992 | 1973 | 1978 | 1971 | 1994 | 1996 | 1980 | 1995 | 1986 |
| Heating Degree Days (F) | 1186. | 940. | 805. | 527. | 269. | 55. | 2. | 16. | 133. | 441. | 855. | 1132. | 6361. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 16. | 134. | 270. | 220. | 67. | 0. | 0. | 0. | 707. |