| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 55.2 | 58.2 | 62.3 | 69.6 | 77.9 | 87.7 | 89.8 | 87.1 | 83.8 | 74.3 | 63.3 | 55.8 | 72.1 |
| Highest Mean Max. Temperature (F) | 64.5 | 65.4 | 72.6 | 78.1 | 86.7 | 94.3 | 93.0 | 89.6 | 88.2 | 80.0 | 73.9 | 63.6 | 94.3 |
| Year Highest Occurred | 1986 | 1999 | 1972 | 1989 | 2000 | 1974 | 1978 | 1985 | 2000 | 1999 | 1999 | 1980 | 1974 |
| Lowest Mean Max. Temperature (F) | 47.7 | 51.8 | 53.0 | 61.0 | 72.5 | 83.3 | 85.9 | 84.4 | 78.6 | 67.0 | 56.7 | 49.7 | 47.7 |
| Year Lowest Occurred | 1979 | 1998 | 1973 | 1975 | 1995 | 1992 | 1992 | 1971 | 1996 | 1971 | 1972 | 1971 | 1979 |
| Mean Temperature (F) | 39.9 | 42.7 | 46.7 | 51.3 | 58.7 | 67.9 | 72.4 | 70.8 | 66.5 | 56.6 | 46.3 | 40.2 | 55.0 |
| Highest Mean Temperature (F) | 45.1 | 47.8 | 53.2 | 56.6 | 66.1 | 73.7 | 75.5 | 73.5 | 70.4 | 60.8 | 52.0 | 45.7 | 75.5 |
| Year Highest Occurred | 1986 | 1995 | 1972 | 1989 | 2000 | 1990 | 2000 | 1998 | 1997 | 1988 | 1999 | 1980 | 2000 |
| Lowest Mean Temperature (F) | 35.7 | 39.1 | 40.7 | 44.4 | 54.5 | 64.5 | 69.4 | 67.9 | 63.1 | 51.3 | 40.4 | 36.6 | 35.7 |
| Year Lowest Occurred | 1979 | 1998 | 1973 | 1975 | 1980 | 1991 | 1987 | 1990 | 1985 | 1971 | 1992 | 1978 | 1979 |
| Mean Min. Temperature (F) | 24.6 | 27.1 | 31.0 | 33.0 | 39.4 | 48.0 | 55.0 | 54.5 | 49.2 | 38.9 | 29.3 | 24.5 | 37.9 |
| Highest Mean Min. Temperature (F) | 31.3 | 32.8 | 37.1 | 37.1 | 45.7 | 56.1 | 60.3 | 57.8 | 54.7 | 43.1 | 33.4 | 28.9 | 60.3 |
| Year Highest Occurred | 1993 | 1996 | 1986 | 1992 | 1992 | 1990 | 1999 | 1996 | 1997 | 1987 | 1978 | 1977 | 1999 |
| Lowest Mean Min. Temperature (F) | 19.9 | 21.1 | 25.3 | 27.9 | 34.7 | 43.8 | 50.2 | 50.6 | 45.7 | 35.0 | 22.6 | 18.5 | 18.5 |
| Year Lowest Occurred | 1971 | 1984 | 1977 | 1975 | 1971 | 1983 | 1987 | 1990 | 1985 | 1982 | 1992 | 1999 | 1999 |
| Mean Precipitation (in.) | 1.80 | 1.59 | 2.16 | 0.82 | 0.62 | 0.58 | 2.44 | 3.62 | 1.75 | 1.83 | 1.48 | 1.45 | 20.14 |
| Highest Precipitation (in.) | 7.26 | 5.64 | 5.95 | 3.63 | 3.34 | 2.68 | 6.06 | 7.76 | 4.49 | 6.53 | 4.98 | 4.85 | 7.76 |
| Year Highest Occurred | 1993 | 1980 | 1991 | 1988 | 1992 | 1972 | 1980 | 1988 | 1983 | 1972 | 1978 | 1984 | 1988 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.99 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 2000 | 1999 | 1972 | 1993 | 2000 | 1998 | 1993 | 1998 | 2000 | 1999 | 1999 | 1999 | 2000 |
| Heating Degree Days (F) | 779. | 626. | 569. | 412. | 223. | 46. | 1. | 3. | 42. | 269. | 561. | 770. | 4301. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 1. | 25. | 131. | 230. | 182. | 87. | 8. | 0. | 0. | 664. |