| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 56.2 | 59.7 | 63.6 | 69.2 | 75.8 | 83.4 | 90.6 | 90.2 | 86.1 | 76.3 | 61.8 | 55.6 | 72.4 |
| Highest Mean Max. Temperature (F) | 61.1 | 68.0 | 70.2 | 77.5 | 84.8 | 90.6 | 95.3 | 94.7 | 93.1 | 83.8 | 71.3 | 62.0 | 95.3 |
| Year Highest Occurred | 1984 | 1988 | 1988 | 1987 | 1992 | 1985 | 1985 | 1987 | 1991 | 1991 | 1976 | 1976 | 1985 |
| Lowest Mean Max. Temperature (F) | 50.6 | 53.4 | 57.6 | 61.5 | 65.0 | 76.9 | 84.4 | 84.0 | 79.0 | 67.7 | 54.6 | 48.4 | 48.4 |
| Year Lowest Occurred | 1973 | 1999 | 1991 | 1975 | 1998 | 1980 | 1987 | 1976 | 1986 | 1984 | 1973 | 1972 | 1972 |
| Mean Temperature (F) | 46.6 | 49.6 | 52.2 | 55.9 | 61.4 | 67.7 | 73.0 | 72.5 | 68.9 | 61.2 | 51.1 | 45.9 | 58.8 |
| Highest Mean Temperature (F) | 49.9 | 54.0 | 57.0 | 61.2 | 68.0 | 72.2 | 77.1 | 75.2 | 73.6 | 66.6 | 56.6 | 49.8 | 77.1 |
| Year Highest Occurred | 1986 | 1991 | 1986 | 1989 | 1992 | 1985 | 1984 | 1986 | 1991 | 1991 | 1976 | 1995 | 1984 |
| Lowest Mean Temperature (F) | 43.1 | 45.2 | 47.9 | 50.4 | 54.8 | 61.9 | 68.5 | 68.8 | 64.3 | 56.7 | 46.0 | 40.6 | 40.6 |
| Year Lowest Occurred | 1982 | 1989 | 1991 | 1975 | 1977 | 1980 | 1987 | 1976 | 1986 | 1984 | 1994 | 1990 | 1990 |
| Mean Min. Temperature (F) | 37.0 | 39.5 | 40.8 | 42.6 | 47.0 | 51.9 | 55.3 | 54.7 | 51.7 | 46.1 | 40.4 | 36.2 | 45.3 |
| Highest Mean Min. Temperature (F) | 44.7 | 44.0 | 45.2 | 47.5 | 51.2 | 55.5 | 59.2 | 57.7 | 54.8 | 49.9 | 45.7 | 42.6 | 59.2 |
| Year Highest Occurred | 1995 | 2000 | 1993 | 1990 | 1992 | 1992 | 1996 | 1990 | 1998 | 1979 | 1997 | 1995 | 1996 |
| Lowest Mean Min. Temperature (F) | 32.3 | 34.3 | 37.0 | 39.3 | 42.9 | 47.0 | 52.3 | 51.5 | 48.4 | 41.3 | 35.9 | 29.0 | 29.0 |
| Year Lowest Occurred | 1982 | 1989 | 1976 | 1975 | 1977 | 1980 | 1999 | 1980 | 1972 | 1971 | 1993 | 1990 | 1990 |
| Mean Precipitation (in.) | 7.96 | 7.05 | 5.92 | 2.19 | 1.20 | 0.28 | 0.05 | 0.14 | 0.67 | 2.07 | 5.40 | 5.97 | 38.90 |
| Highest Precipitation (in.) | 24.76 | 22.33 | 18.64 | 6.99 | 6.42 | 1.39 | 0.84 | 1.16 | 3.02 | 5.75 | 16.33 | 16.92 | 24.76 |
| Year Highest Occurred | 1995 | 1998 | 1995 | 1983 | 1998 | 1992 | 1974 | 1976 | 1977 | 1981 | 1973 | 1996 | 1995 |
| Lowest Precipitation (in.) | 0.50 | 0.34 | 0.16 | 0.14 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.31 | 0.00 | 0.00 |
| Year Lowest Occurred | 1976 | 1988 | 1988 | 1977 | 1985 | 1999 | 2000 | 2000 | 1998 | 1995 | 1995 | 1989 | 1985 |
| Heating Degree Days (F) | 571. | 431. | 398. | 282. | 157. | 41. | 7. | 1. | 24. | 159. | 419. | 593. | 3083. |
| Cooling Degree Days (F) | 0. | 0. | 1. | 10. | 45. | 120. | 253. | 232. | 140. | 41. | 1. | 0. | 843. |