| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 40.0 | 42.9 | 48.6 | 58.1 | 68.0 | 78.6 | 84.0 | 81.7 | 74.9 | 64.2 | 50.2 | 42.1 | 61.1 |
| Highest Mean Max. Temperature (F) | 49.4 | 50.8 | 60.0 | 67.2 | 75.5 | 85.0 | 89.0 | 85.9 | 80.1 | 71.6 | 59.3 | 51.7 | 89.0 |
| Year Highest Occurred | 1986 | 1995 | 1972 | 1989 | 1984 | 1974 | 1972 | 1994 | 1979 | 1988 | 1995 | 1980 | 1972 |
| Lowest Mean Max. Temperature (F) | 30.8 | 36.2 | 41.2 | 48.1 | 60.7 | 72.1 | 79.5 | 78.1 | 69.7 | 56.9 | 41.3 | 32.6 | 30.8 |
| Year Lowest Occurred | 1979 | 1998 | 1973 | 1983 | 1977 | 1993 | 1993 | 1983 | 1986 | 1972 | 1994 | 1992 | 1979 |
| Mean Temperature (F) | 27.9 | 30.5 | 35.6 | 43.0 | 51.2 | 60.3 | 66.6 | 65.1 | 58.2 | 48.4 | 36.4 | 29.5 | 46.1 |
| Highest Mean Temperature (F) | 36.0 | 37.1 | 43.2 | 49.8 | 56.6 | 65.0 | 69.9 | 68.7 | 62.0 | 54.7 | 42.7 | 37.8 | 69.9 |
| Year Highest Occurred | 1986 | 1995 | 1972 | 1992 | 1984 | 1974 | 1996 | 1994 | 1979 | 1988 | 1995 | 1980 | 1996 |
| Lowest Mean Temperature (F) | 20.0 | 25.0 | 29.7 | 35.2 | 46.3 | 55.0 | 60.8 | 62.2 | 53.4 | 43.2 | 29.3 | 21.0 | 20.0 |
| Year Lowest Occurred | 1979 | 1993 | 1980 | 1975 | 1977 | 1993 | 1993 | 1976 | 1986 | 1984 | 1994 | 1990 | 1979 |
| Mean Min. Temperature (F) | 15.7 | 18.1 | 22.6 | 27.8 | 34.4 | 41.9 | 49.2 | 48.4 | 41.4 | 32.6 | 22.6 | 16.8 | 31.0 |
| Highest Mean Min. Temperature (F) | 22.5 | 23.5 | 28.2 | 33.2 | 38.4 | 45.2 | 53.3 | 51.9 | 46.3 | 37.7 | 26.3 | 23.9 | 53.3 |
| Year Highest Occurred | 1986 | 1991 | 1986 | 1992 | 1992 | 1994 | 1996 | 2000 | 1997 | 1988 | 1996 | 1980 | 1996 |
| Lowest Mean Min. Temperature (F) | 8.9 | 11.3 | 16.8 | 21.4 | 30.8 | 36.8 | 42.1 | 44.2 | 37.2 | 28.3 | 17.2 | 6.9 | 6.9 |
| Year Lowest Occurred | 1973 | 1979 | 1977 | 1975 | 1975 | 1998 | 1993 | 1976 | 1986 | 1982 | 1994 | 1990 | 1990 |
| Mean Precipitation (in.) | 1.76 | 1.90 | 1.75 | 0.95 | 0.97 | 0.51 | 1.34 | 1.62 | 1.53 | 1.59 | 1.40 | 1.19 | 16.51 |
| Highest Precipitation (in.) | 7.32 | 5.88 | 4.38 | 3.90 | 2.96 | 1.61 | 3.18 | 3.59 | 5.21 | 4.93 | 5.72 | 4.85 | 7.32 |
| Year Highest Occurred | 1993 | 1993 | 1978 | 1988 | 1992 | 1972 | 1999 | 1987 | 1997 | 2000 | 1978 | 1971 | 1993 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.02 | 0.02 | 0.00 | 0.00 | 0.00 | 0.03 | 0.00 | 0.11 | 0.00 | 0.00 |
| Year Lowest Occurred | 1976 | 1972 | 1997 | 1993 | 1972 | 1979 | 1993 | 1985 | 1989 | 1999 | 1980 | 1989 | 1976 |
| Heating Degree Days (F) | 1152. | 966. | 911. | 661. | 429. | 174. | 45. | 60. | 211. | 516. | 858. | 1103. | 7086. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 1. | 31. | 93. | 60. | 5. | 0. | 0. | 0. | 190. |