| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 43.8 | 47.8 | 54.4 | 61.2 | 71.3 | 82.0 | 87.9 | 85.8 | 77.5 | 66.2 | 51.6 | 44.7 | 64.5 |
| Highest Mean Max. Temperature (F) | 54.5 | 57.8 | 62.1 | 69.1 | 78.2 | 88.1 | 93.6 | 90.2 | 85.3 | 70.4 | 64.3 | 54.5 | 93.6 |
| Year Highest Occurred | 1986 | 1999 | 1972 | 1981 | 2000 | 1990 | 2000 | 1983 | 1998 | 1975 | 1999 | 1980 | 2000 |
| Lowest Mean Max. Temperature (F) | 32.4 | 34.3 | 49.2 | 53.4 | 58.3 | 73.1 | 83.3 | 81.5 | 71.9 | 57.4 | 42.2 | 31.3 | 31.3 |
| Year Lowest Occurred | 1979 | 1989 | 1980 | 1983 | 1995 | 1995 | 1995 | 1992 | 1973 | 1984 | 1985 | 1983 | 1983 |
| Mean Temperature (F) | 30.0 | 33.8 | 40.2 | 47.0 | 56.6 | 66.3 | 72.0 | 70.3 | 62.1 | 51.0 | 38.2 | 31.3 | 49.9 |
| Highest Mean Temperature (F) | 39.7 | 42.0 | 46.6 | 54.0 | 61.9 | 71.6 | 76.4 | 74.7 | 68.7 | 53.5 | 48.2 | 40.0 | 76.4 |
| Year Highest Occurred | 1986 | 1999 | 1986 | 1992 | 2000 | 1994 | 2000 | 2000 | 1998 | 1979 | 1999 | 1980 | 2000 |
| Lowest Mean Temperature (F) | 17.5 | 22.3 | 35.1 | 40.3 | 47.8 | 59.9 | 68.4 | 67.2 | 57.9 | 45.3 | 30.2 | 19.3 | 17.5 |
| Year Lowest Occurred | 1979 | 1989 | 1996 | 1983 | 1995 | 1995 | 1995 | 1974 | 1971 | 1984 | 1985 | 1983 | 1979 |
| Mean Min. Temperature (F) | 16.2 | 19.8 | 26.0 | 32.7 | 41.8 | 50.6 | 56.0 | 54.8 | 46.7 | 35.7 | 24.7 | 17.9 | 35.2 |
| Highest Mean Min. Temperature (F) | 24.8 | 27.0 | 31.6 | 39.2 | 47.9 | 55.6 | 59.9 | 59.3 | 53.1 | 38.5 | 32.2 | 25.6 | 59.9 |
| Year Highest Occurred | 1986 | 1992 | 1986 | 1992 | 1994 | 1994 | 1998 | 2000 | 1990 | 1994 | 1998 | 1980 | 1998 |
| Lowest Mean Min. Temperature (F) | 2.6 | 10.3 | 20.5 | 27.3 | 37.2 | 46.6 | 53.3 | 50.6 | 42.1 | 30.9 | 18.1 | 7.3 | 2.6 |
| Year Lowest Occurred | 1979 | 1989 | 1996 | 1983 | 1995 | 1995 | 1972 | 1974 | 1974 | 1976 | 1985 | 1983 | 1979 |
| Mean Precipitation (in.) | 0.39 | 0.33 | 0.92 | 1.78 | 2.25 | 1.55 | 1.71 | 1.32 | 0.88 | 0.82 | 0.83 | 0.47 | 13.25 |
| Highest Precipitation (in.) | 0.86 | 1.01 | 3.31 | 6.49 | 5.16 | 4.16 | 3.37 | 3.23 | 2.18 | 3.37 | 2.13 | 1.42 | 6.49 |
| Year Highest Occurred | 1989 | 1987 | 1992 | 1999 | 1995 | 1987 | 1998 | 1992 | 1973 | 1984 | 1991 | 2000 | 1999 |
| Lowest Precipitation (in.) | 0.04 | 0.00 | 0.09 | 0.42 | 0.67 | 0.21 | 0.24 | 0.02 | 0.00 | 0.02 | 0.00 | 0.04 | 0.00 |
| Year Lowest Occurred | 1986 | 1992 | 1997 | 1992 | 1974 | 1990 | 1994 | 1985 | 1992 | 1988 | 1984 | 1995 | 1992 |
| Heating Degree Days (F) | 1085. | 874. | 769. | 542. | 281. | 66. | 7. | 15. | 149. | 437. | 804. | 1045. | 6074. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 19. | 106. | 223. | 180. | 61. | 1. | 0. | 0. | 590. |