| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 57.2 | 62.8 | 69.5 | 77.2 | 85.5 | 93.0 | 92.0 | 89.8 | 85.0 | 77.2 | 66.3 | 57.9 | 76.1 |
| Highest Mean Max. Temperature (F) | 63.3 | 71.6 | 75.7 | 82.7 | 92.8 | 99.1 | 96.7 | 95.1 | 91.1 | 82.7 | 73.8 | 64.2 | 99.1 |
| Year Highest Occurred | 1999 | 1976 | 1972 | 1972 | 1996 | 1980 | 1994 | 1977 | 1977 | 1979 | 1973 | 1977 | 1980 |
| Lowest Mean Max. Temperature (F) | 49.6 | 58.0 | 63.5 | 69.5 | 80.9 | 87.2 | 86.6 | 84.8 | 78.8 | 71.8 | 56.4 | 51.4 | 49.6 |
| Year Lowest Occurred | 1992 | 1973 | 1981 | 1983 | 1992 | 2000 | 1976 | 1990 | 1991 | 1976 | 2000 | 1986 | 1992 |
| Mean Temperature (F) | 41.2 | 45.8 | 51.8 | 59.0 | 68.4 | 76.4 | 77.5 | 75.6 | 70.0 | 60.5 | 49.3 | 41.6 | 59.8 |
| Highest Mean Temperature (F) | 45.5 | 53.1 | 56.5 | 63.7 | 74.7 | 82.1 | 81.1 | 79.9 | 75.2 | 63.3 | 53.7 | 47.1 | 82.1 |
| Year Highest Occurred | 1999 | 1976 | 1972 | 1989 | 1996 | 1990 | 1994 | 1977 | 1977 | 1972 | 1998 | 1977 | 1990 |
| Lowest Mean Temperature (F) | 37.3 | 41.3 | 47.0 | 53.6 | 63.3 | 72.7 | 73.6 | 72.6 | 65.5 | 55.2 | 41.6 | 36.8 | 36.8 |
| Year Lowest Occurred | 1992 | 1985 | 1987 | 1983 | 1975 | 1979 | 1975 | 1990 | 1974 | 1976 | 2000 | 2000 | 2000 |
| Mean Min. Temperature (F) | 25.1 | 28.7 | 34.0 | 40.7 | 51.2 | 59.8 | 62.9 | 61.4 | 54.9 | 43.7 | 32.2 | 25.3 | 43.3 |
| Highest Mean Min. Temperature (F) | 31.6 | 34.5 | 38.2 | 46.2 | 56.6 | 66.2 | 65.6 | 64.6 | 59.6 | 48.6 | 38.4 | 30.0 | 66.2 |
| Year Highest Occurred | 1993 | 1976 | 1997 | 1986 | 1996 | 1990 | 1998 | 1977 | 1997 | 1983 | 1978 | 1977 | 1990 |
| Lowest Mean Min. Temperature (F) | 20.4 | 24.2 | 30.1 | 33.9 | 43.9 | 55.0 | 59.6 | 58.5 | 49.8 | 37.1 | 26.3 | 20.0 | 20.0 |
| Year Lowest Occurred | 1990 | 1985 | 1987 | 1975 | 1975 | 1973 | 1975 | 1979 | 1979 | 1999 | 1976 | 1989 | 1989 |
| Mean Precipitation (in.) | 0.49 | 0.41 | 0.26 | 0.29 | 0.53 | 1.11 | 2.11 | 2.29 | 2.19 | 1.15 | 0.44 | 0.66 | 11.93 |
| Highest Precipitation (in.) | 1.41 | 1.73 | 1.26 | 1.43 | 4.17 | 4.09 | 5.37 | 4.96 | 10.21 | 4.71 | 1.33 | 3.22 | 10.21 |
| Year Highest Occurred | 1991 | 1973 | 1983 | 1993 | 1992 | 1986 | 1973 | 1984 | 1978 | 1986 | 2000 | 1991 | 1978 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.56 | 0.09 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 2000 | 1999 | 1996 | 1998 | 1977 | 1974 | 1994 | 1976 | 2000 | 1979 | 1999 | 1996 | 2000 |
| Heating Degree Days (F) | 740. | 539. | 411. | 207. | 44. | 2. | 0. | 1. | 26. | 167. | 473. | 726. | 3336. |
| Cooling Degree Days (F) | 0. | 0. | 1. | 25. | 147. | 343. | 386. | 328. | 175. | 26. | 1. | 0. | 1432. |