| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 48.1 | 53.6 | 60.2 | 68.2 | 77.0 | 87.4 | 89.2 | 86.4 | 81.4 | 71.4 | 58.0 | 49.4 | 69.2 |
| Highest Mean Max. Temperature (F) | 58.4 | 60.3 | 68.4 | 76.2 | 84.1 | 93.1 | 93.4 | 90.2 | 86.1 | 77.2 | 68.0 | 58.8 | 93.4 |
| Year Highest Occurred | 1986 | 1995 | 1972 | 1989 | 2000 | 1990 | 1980 | 1995 | 2000 | 1979 | 1999 | 1980 | 1980 |
| Lowest Mean Max. Temperature (F) | 39.9 | 46.3 | 51.5 | 60.8 | 73.3 | 84.0 | 86.3 | 82.1 | 76.5 | 61.4 | 48.9 | 41.2 | 39.9 |
| Year Lowest Occurred | 1979 | 1987 | 1973 | 1973 | 1987 | 1972 | 1975 | 1993 | 1975 | 1984 | 2000 | 1992 | 1979 |
| Mean Temperature (F) | 30.9 | 35.7 | 42.2 | 48.8 | 57.9 | 67.1 | 71.8 | 69.6 | 62.9 | 51.8 | 39.6 | 31.7 | 50.8 |
| Highest Mean Temperature (F) | 37.0 | 42.3 | 47.5 | 54.9 | 63.9 | 71.6 | 74.3 | 73.4 | 67.2 | 55.0 | 44.6 | 37.6 | 74.3 |
| Year Highest Occurred | 1986 | 1995 | 1989 | 1992 | 1996 | 1990 | 1996 | 1995 | 1997 | 1988 | 1995 | 1977 | 1996 |
| Lowest Mean Temperature (F) | 25.0 | 31.2 | 37.2 | 43.0 | 53.4 | 63.9 | 69.3 | 67.3 | 58.2 | 46.8 | 34.4 | 24.8 | 24.8 |
| Year Lowest Occurred | 1977 | 1994 | 1977 | 1973 | 1975 | 1983 | 1987 | 1993 | 1975 | 1984 | 2000 | 1990 | 1990 |
| Mean Min. Temperature (F) | 13.6 | 17.8 | 24.2 | 29.3 | 38.7 | 46.8 | 54.4 | 52.7 | 44.3 | 32.2 | 21.1 | 14.0 | 32.4 |
| Highest Mean Min. Temperature (F) | 24.3 | 24.3 | 29.6 | 35.3 | 43.6 | 51.2 | 57.2 | 56.6 | 50.4 | 39.6 | 27.7 | 21.6 | 57.2 |
| Year Highest Occurred | 1993 | 1995 | 1985 | 1992 | 1996 | 1996 | 1988 | 1995 | 1997 | 1972 | 1978 | 1983 | 1988 |
| Lowest Mean Min. Temperature (F) | 6.3 | 10.1 | 19.0 | 24.6 | 33.3 | 41.9 | 50.2 | 49.3 | 39.9 | 26.4 | 13.3 | 5.0 | 5.0 |
| Year Lowest Occurred | 1990 | 1974 | 1977 | 1974 | 1975 | 1975 | 1987 | 1978 | 1975 | 1982 | 1976 | 1990 | 1990 |
| Mean Precipitation (in.) | 0.57 | 0.43 | 0.59 | 0.49 | 0.63 | 0.51 | 1.69 | 2.10 | 1.43 | 1.11 | 0.68 | 0.64 | 10.87 |
| Highest Precipitation (in.) | 1.91 | 1.66 | 1.94 | 1.74 | 2.68 | 2.13 | 3.70 | 4.23 | 4.23 | 4.69 | 2.25 | 2.20 | 4.69 |
| Year Highest Occurred | 1993 | 1982 | 1993 | 1988 | 1992 | 1996 | 1981 | 1993 | 1975 | 1972 | 1986 | 1997 | 1972 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.41 | 0.78 | 0.21 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1986 | 1999 | 1997 | 2000 | 1975 | 1998 | 2000 | 2000 | 2000 | 1995 | 1999 | 1996 | 1986 |
| Heating Degree Days (F) | 1058. | 821. | 707. | 488. | 237. | 43. | 1. | 8. | 107. | 411. | 764. | 1033. | 5678. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 15. | 106. | 211. | 149. | 43. | 1. | 0. | 0. | 525. |