| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 38.0 | 44.5 | 53.8 | 62.7 | 70.8 | 79.8 | 88.4 | 87.4 | 77.0 | 63.9 | 47.8 | 38.3 | 62.7 |
| Highest Mean Max. Temperature (F) | 46.3 | 51.1 | 61.0 | 72.9 | 80.1 | 87.0 | 92.5 | 93.0 | 83.8 | 73.0 | 56.1 | 45.1 | 93.0 |
| Year Highest Occurred | 1998 | 1995 | 1994 | 1987 | 1992 | 1974 | 1994 | 1971 | 1990 | 1988 | 1999 | 1979 | 1971 |
| Lowest Mean Max. Temperature (F) | 27.8 | 32.9 | 47.6 | 52.3 | 64.7 | 73.1 | 78.4 | 79.7 | 67.7 | 58.7 | 38.9 | 25.4 | 25.4 |
| Year Lowest Occurred | 1979 | 1989 | 1985 | 1975 | 1977 | 1993 | 1993 | 1976 | 1985 | 1984 | 1985 | 1985 | 1985 |
| Mean Temperature (F) | 28.5 | 33.6 | 40.2 | 46.6 | 53.9 | 61.4 | 68.0 | 67.1 | 57.7 | 47.1 | 36.1 | 28.4 | 47.4 |
| Highest Mean Temperature (F) | 37.1 | 39.0 | 44.8 | 52.2 | 58.2 | 66.6 | 72.2 | 72.5 | 62.1 | 54.1 | 41.2 | 35.0 | 72.5 |
| Year Highest Occurred | 1998 | 1983 | 1986 | 1987 | 1992 | 1977 | 1985 | 1991 | 1998 | 1988 | 1995 | 1977 | 1991 |
| Lowest Mean Temperature (F) | 15.9 | 23.4 | 34.5 | 39.5 | 50.2 | 56.6 | 59.7 | 62.3 | 52.7 | 43.8 | 27.1 | 14.7 | 14.7 |
| Year Lowest Occurred | 1979 | 1989 | 1976 | 1975 | 1977 | 1993 | 1993 | 1993 | 1985 | 1995 | 1985 | 1985 | 1985 |
| Mean Min. Temperature (F) | 18.9 | 22.7 | 26.5 | 30.4 | 37.0 | 43.0 | 47.6 | 46.7 | 38.4 | 30.3 | 24.3 | 18.5 | 32.0 |
| Highest Mean Min. Temperature (F) | 27.8 | 29.2 | 32.3 | 35.0 | 41.0 | 48.7 | 53.8 | 54.4 | 44.1 | 36.6 | 30.7 | 26.4 | 54.4 |
| Year Highest Occurred | 1998 | 1983 | 1983 | 1990 | 1993 | 1988 | 1975 | 1991 | 1998 | 1975 | 1983 | 1977 | 1991 |
| Lowest Mean Min. Temperature (F) | 4.0 | 13.9 | 20.4 | 26.5 | 32.6 | 39.3 | 40.9 | 41.6 | 34.0 | 25.5 | 12.7 | 4.0 | 4.0 |
| Year Lowest Occurred | 1979 | 1989 | 1976 | 1999 | 1999 | 1991 | 1993 | 1995 | 1971 | 1999 | 1993 | 1985 | 1985 |
| Mean Precipitation (in.) | 1.01 | 0.95 | 1.41 | 1.35 | 1.64 | 1.11 | 0.54 | 0.53 | 0.62 | 0.85 | 1.16 | 1.11 | 12.28 |
| Highest Precipitation (in.) | 3.15 | 2.17 | 3.12 | 3.94 | 5.14 | 2.57 | 2.15 | 3.28 | 2.10 | 3.10 | 2.37 | 3.46 | 5.14 |
| Year Highest Occurred | 1997 | 1986 | 1993 | 1978 | 1998 | 1993 | 1985 | 1979 | 1982 | 2000 | 1984 | 1983 | 1998 |
| Lowest Precipitation (in.) | 0.10 | 0.00 | 0.20 | 0.30 | 0.12 | 0.10 | 0.00 | 0.00 | 0.00 | 0.00 | 0.10 | 0.10 | 0.00 |
| Year Lowest Occurred | 1992 | 1971 | 1976 | 1989 | 1976 | 1989 | 2000 | 2000 | 1999 | 1998 | 1999 | 1989 | 1971 |
| Heating Degree Days (F) | 1133. | 880. | 771. | 553. | 345. | 153. | 46. | 54. | 234. | 554. | 869. | 1134. | 6726. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 1. | 44. | 137. | 118. | 15. | 0. | 0. | 0. | 315. |