| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 47.5 | 53.6 | 63.0 | 72.6 | 82.9 | 94.5 | 98.9 | 96.1 | 88.1 | 74.0 | 58.7 | 48.6 | 73.2 |
| Highest Mean Max. Temperature (F) | 55.3 | 61.7 | 72.3 | 79.4 | 90.7 | 100.5 | 102.5 | 100.1 | 91.9 | 81.5 | 64.5 | 57.9 | 102.5 |
| Year Highest Occurred | 2000 | 1995 | 1972 | 2000 | 2000 | 1994 | 1989 | 1994 | 1979 | 1988 | 1995 | 1977 | 1989 |
| Lowest Mean Max. Temperature (F) | 36.9 | 44.1 | 56.3 | 65.0 | 77.3 | 90.3 | 95.0 | 92.5 | 81.5 | 67.1 | 53.2 | 38.7 | 36.9 |
| Year Lowest Occurred | 1973 | 1979 | 1991 | 1975 | 1995 | 1998 | 1983 | 1984 | 1986 | 1984 | 2000 | 1978 | 1973 |
| Mean Temperature (F) | 37.5 | 42.8 | 50.5 | 58.6 | 68.5 | 79.0 | 84.5 | 82.4 | 74.3 | 61.3 | 47.4 | 38.3 | 60.4 |
| Highest Mean Temperature (F) | 42.5 | 48.4 | 58.2 | 64.7 | 73.7 | 84.3 | 88.0 | 85.8 | 77.4 | 66.4 | 51.6 | 46.2 | 88.0 |
| Year Highest Occurred | 1986 | 1995 | 1972 | 1992 | 2000 | 1974 | 1996 | 1994 | 1984 | 1988 | 1995 | 1977 | 1996 |
| Lowest Mean Temperature (F) | 30.4 | 35.8 | 46.5 | 50.7 | 64.2 | 74.5 | 81.8 | 80.1 | 69.5 | 56.2 | 41.8 | 31.0 | 30.4 |
| Year Lowest Occurred | 1973 | 1979 | 1991 | 1975 | 1995 | 1998 | 1987 | 1987 | 1986 | 1984 | 2000 | 1978 | 1973 |
| Mean Min. Temperature (F) | 27.5 | 31.9 | 38.0 | 44.6 | 54.1 | 63.5 | 70.0 | 68.6 | 60.4 | 48.6 | 36.1 | 27.9 | 47.6 |
| Highest Mean Min. Temperature (F) | 33.1 | 37.6 | 44.1 | 50.4 | 57.5 | 69.0 | 73.6 | 72.0 | 64.8 | 53.2 | 40.1 | 34.5 | 73.6 |
| Year Highest Occurred | 1978 | 1976 | 1972 | 1992 | 1992 | 1974 | 1996 | 1971 | 1990 | 1978 | 1983 | 1977 | 1996 |
| Lowest Mean Min. Temperature (F) | 22.6 | 27.5 | 32.4 | 36.4 | 49.4 | 58.4 | 65.8 | 63.9 | 54.9 | 44.4 | 30.3 | 20.5 | 20.5 |
| Year Lowest Occurred | 1989 | 1974 | 1989 | 1975 | 1988 | 1979 | 1980 | 1988 | 1980 | 1982 | 2000 | 1990 | 1990 |
| Mean Precipitation (in.) | 0.60 | 0.44 | 0.66 | 0.42 | 0.44 | 0.23 | 0.64 | 0.74 | 0.64 | 0.91 | 0.68 | 0.38 | 6.78 |
| Highest Precipitation (in.) | 2.75 | 2.27 | 1.87 | 1.78 | 1.63 | 2.85 | 4.07 | 4.13 | 2.95 | 4.19 | 2.59 | 1.94 | 4.19 |
| Year Highest Occurred | 1993 | 1980 | 1983 | 1988 | 1992 | 1972 | 1983 | 1983 | 1997 | 2000 | 1978 | 1991 | 2000 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1999 | 1989 | 1999 | 1992 | 1991 | 1993 | 1998 | 1976 | 2000 | 1999 | 1999 | 1999 | 1999 |
| Heating Degree Days (F) | 852. | 623. | 452. | 226. | 52. | 1. | 0. | 0. | 5. | 165. | 529. | 829. | 3734. |
| Cooling Degree Days (F) | 0. | 0. | 3. | 34. | 162. | 422. | 603. | 538. | 282. | 51. | 0. | 0. | 2095. |