| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 44.3 | 47.8 | 52.6 | 59.9 | 68.5 | 79.1 | 82.8 | 80.0 | 74.8 | 64.9 | 53.2 | 45.5 | 62.8 |
| Highest Mean Max. Temperature (F) | 52.4 | 54.0 | 62.8 | 69.2 | 76.5 | 85.5 | 86.7 | 83.2 | 80.0 | 70.8 | 62.8 | 52.8 | 86.7 |
| Year Highest Occurred | 1986 | 1972 | 1972 | 1989 | 1984 | 1974 | 1971 | 1996 | 1979 | 1978 | 1999 | 1977 | 1971 |
| Lowest Mean Max. Temperature (F) | 38.2 | 40.2 | 40.3 | 50.0 | 60.7 | 74.3 | 78.8 | 77.0 | 68.8 | 57.0 | 46.2 | 38.0 | 38.0 |
| Year Lowest Occurred | 1973 | 1998 | 1973 | 1975 | 1980 | 1991 | 1986 | 1987 | 1986 | 1984 | 1972 | 1978 | 1978 |
| Mean Temperature (F) | 30.2 | 33.4 | 38.0 | 44.4 | 52.8 | 61.8 | 68.0 | 65.7 | 59.4 | 48.5 | 37.5 | 30.4 | 47.5 |
| Highest Mean Temperature (F) | 37.0 | 38.5 | 43.3 | 50.7 | 59.9 | 66.9 | 70.0 | 68.8 | 63.0 | 53.0 | 42.2 | 35.8 | 70.0 |
| Year Highest Occurred | 1986 | 1995 | 1972 | 1989 | 1984 | 1974 | 1978 | 1995 | 1983 | 1978 | 1999 | 1980 | 1978 |
| Lowest Mean Temperature (F) | 25.0 | 27.7 | 30.1 | 37.6 | 47.0 | 56.9 | 65.2 | 63.2 | 55.9 | 43.0 | 32.1 | 23.0 | 23.0 |
| Year Lowest Occurred | 1973 | 1979 | 1973 | 1975 | 1980 | 1991 | 1987 | 1979 | 1988 | 1971 | 2000 | 1978 | 1978 |
| Mean Min. Temperature (F) | 16.0 | 18.9 | 23.3 | 28.9 | 37.0 | 44.4 | 53.2 | 51.3 | 43.9 | 32.0 | 21.7 | 15.3 | 32.2 |
| Highest Mean Min. Temperature (F) | 21.7 | 24.3 | 28.5 | 33.9 | 43.4 | 49.6 | 56.7 | 54.8 | 48.8 | 35.6 | 29.0 | 23.2 | 56.7 |
| Year Highest Occurred | 1986 | 1980 | 1983 | 1986 | 1984 | 1981 | 1990 | 1995 | 1997 | 1983 | 1978 | 1983 | 1990 |
| Lowest Mean Min. Temperature (F) | 10.3 | 9.5 | 17.3 | 24.2 | 32.2 | 38.1 | 48.6 | 46.5 | 38.8 | 27.7 | 15.9 | 8.1 | 8.1 |
| Year Lowest Occurred | 1989 | 1979 | 1987 | 1998 | 1975 | 1982 | 1979 | 1979 | 1973 | 1982 | 1992 | 1978 | 1978 |
| Mean Precipitation (in.) | 1.84 | 1.90 | 2.14 | 0.99 | 0.74 | 0.44 | 2.23 | 3.17 | 1.91 | 1.89 | 1.60 | 1.75 | 20.60 |
| Highest Precipitation (in.) | 6.73 | 6.35 | 6.98 | 2.47 | 3.09 | 2.93 | 4.98 | 7.28 | 5.71 | 9.55 | 4.55 | 7.35 | 9.55 |
| Year Highest Occurred | 1993 | 1980 | 1991 | 1975 | 1992 | 1972 | 1999 | 1992 | 1996 | 1972 | 1985 | 1978 | 1972 |
| Lowest Precipitation (in.) | 0.00 | 0.05 | 0.00 | 0.00 | 0.00 | 0.00 | 0.03 | 0.25 | 0.01 | 0.00 | 0.00 | 0.04 | 0.00 |
| Year Lowest Occurred | 1972 | 1972 | 1997 | 1991 | 1999 | 1999 | 1993 | 1975 | 1973 | 1999 | 1999 | 1981 | 1972 |
| Heating Degree Days (F) | 1081. | 886. | 839. | 619. | 387. | 144. | 12. | 40. | 178. | 513. | 828. | 1073. | 6600. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 7. | 47. | 104. | 60. | 9. | 0. | 0. | 0. | 227. |