| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 37.9 | 42.4 | 48.8 | 57.2 | 67.4 | 79.0 | 83.9 | 81.5 | 74.2 | 62.4 | 47.6 | 39.5 | 60.2 |
| Highest Mean Max. Temperature (F) | 46.2 | 50.8 | 57.5 | 66.0 | 75.2 | 84.1 | 88.5 | 85.5 | 79.4 | 68.6 | 60.1 | 47.6 | 88.5 |
| Year Highest Occurred | 1986 | 1995 | 1999 | 1989 | 1996 | 1994 | 2000 | 1995 | 1998 | 1988 | 1999 | 1980 | 2000 |
| Lowest Mean Max. Temperature (F) | 27.6 | 37.0 | 40.4 | 49.9 | 61.7 | 74.2 | 78.2 | 78.2 | 67.2 | 52.7 | 39.4 | 32.7 | 27.6 |
| Year Lowest Occurred | 1979 | 1975 | 1973 | 1975 | 1980 | 1975 | 1986 | 1987 | 1986 | 1984 | 1972 | 1971 | 1979 |
| Mean Temperature (F) | 27.6 | 31.8 | 37.8 | 44.7 | 54.0 | 64.5 | 69.9 | 68.0 | 60.8 | 49.6 | 36.7 | 29.1 | 47.9 |
| Highest Mean Temperature (F) | 34.6 | 38.9 | 44.8 | 50.7 | 60.5 | 69.7 | 72.9 | 70.9 | 65.6 | 55.0 | 44.1 | 37.3 | 72.9 |
| Year Highest Occurred | 1981 | 1995 | 1972 | 1989 | 1984 | 1974 | 1996 | 1995 | 1979 | 1979 | 1999 | 1980 | 1996 |
| Lowest Mean Temperature (F) | 19.2 | 27.4 | 32.2 | 39.0 | 49.3 | 59.9 | 65.2 | 64.9 | 54.9 | 43.1 | 30.8 | 21.0 | 19.2 |
| Year Lowest Occurred | 1979 | 1974 | 1973 | 1973 | 1995 | 1992 | 1992 | 1987 | 1985 | 1984 | 2000 | 1990 | 1979 |
| Mean Min. Temperature (F) | 17.2 | 21.2 | 26.8 | 32.2 | 40.5 | 50.0 | 55.9 | 54.4 | 47.3 | 36.8 | 25.7 | 18.6 | 35.6 |
| Highest Mean Min. Temperature (F) | 23.6 | 27.0 | 32.7 | 37.8 | 47.0 | 56.9 | 60.2 | 57.4 | 51.9 | 42.8 | 30.6 | 27.0 | 60.2 |
| Year Highest Occurred | 1981 | 1995 | 1972 | 1981 | 1984 | 1974 | 1972 | 1977 | 1979 | 1978 | 1981 | 1980 | 1972 |
| Lowest Mean Min. Temperature (F) | 10.7 | 15.8 | 21.0 | 27.2 | 36.4 | 44.4 | 50.9 | 51.5 | 41.2 | 33.0 | 20.0 | 8.6 | 8.6 |
| Year Lowest Occurred | 1979 | 1974 | 1987 | 1998 | 1995 | 1991 | 1993 | 1990 | 1985 | 1997 | 1992 | 1990 | 1990 |
| Mean Precipitation (in.) | 1.87 | 1.52 | 1.91 | 1.24 | 1.23 | 0.55 | 1.66 | 2.00 | 1.61 | 1.85 | 1.67 | 1.33 | 18.44 |
| Highest Precipitation (in.) | 5.29 | 4.54 | 4.57 | 3.91 | 4.75 | 2.17 | 3.77 | 4.17 | 4.05 | 7.42 | 4.56 | 3.57 | 7.42 |
| Year Highest Occurred | 1993 | 1993 | 1995 | 1986 | 1992 | 1988 | 1974 | 1987 | 1985 | 1972 | 1986 | 1978 | 1972 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.03 | 0.00 | 0.00 | 0.00 | 0.00 | 0.13 | 0.00 | 0.00 | 0.00 | 0.01 | 0.00 |
| Year Lowest Occurred | 1972 | 1972 | 1997 | 1989 | 1974 | 1982 | 1993 | 1978 | 1979 | 1995 | 1976 | 1989 | 1972 |
| Heating Degree Days (F) | 1162. | 929. | 843. | 609. | 350. | 102. | 17. | 22. | 161. | 478. | 850. | 1114. | 6637. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 8. | 87. | 169. | 114. | 33. | 1. | 0. | 0. | 412. |