| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 54.2 | 60.4 | 64.6 | 71.3 | 80.2 | 89.0 | 94.7 | 93.1 | 87.0 | 77.6 | 63.0 | 54.6 | 74.1 |
| Highest Mean Max. Temperature (F) | 59.0 | 67.4 | 70.9 | 78.8 | 88.5 | 95.1 | 100.0 | 97.6 | 92.5 | 84.0 | 73.2 | 60.0 | 100.0 |
| Year Highest Occurred | 1994 | 1991 | 1997 | 1987 | 1992 | 2000 | 1984 | 1996 | 1991 | 1991 | 1995 | 1999 | 1984 |
| Lowest Mean Max. Temperature (F) | 49.4 | 56.2 | 56.9 | 63.7 | 70.6 | 82.4 | 88.4 | 86.1 | 77.6 | 69.7 | 55.3 | 47.5 | 47.5 |
| Year Lowest Occurred | 1983 | 1975 | 1991 | 1975 | 1998 | 1980 | 1987 | 1976 | 1986 | 1984 | 1982 | 1972 | 1972 |
| Mean Temperature (F) | 45.3 | 50.3 | 54.0 | 58.7 | 66.1 | 73.5 | 78.1 | 76.1 | 71.0 | 63.1 | 52.0 | 45.6 | 61.2 |
| Highest Mean Temperature (F) | 49.4 | 53.8 | 58.8 | 64.9 | 71.9 | 78.0 | 82.5 | 80.3 | 75.0 | 67.8 | 57.9 | 51.2 | 82.5 |
| Year Highest Occurred | 1998 | 1992 | 1993 | 1987 | 1973 | 1981 | 1984 | 1971 | 1974 | 1991 | 1995 | 1995 | 1984 |
| Lowest Mean Temperature (F) | 40.5 | 45.8 | 48.1 | 53.3 | 60.3 | 69.1 | 73.0 | 72.6 | 62.8 | 57.9 | 46.2 | 40.6 | 40.5 |
| Year Lowest Occurred | 1985 | 1990 | 1991 | 1975 | 1977 | 1980 | 1987 | 1976 | 1986 | 1984 | 1994 | 1972 | 1985 |
| Mean Min. Temperature (F) | 36.3 | 40.1 | 43.3 | 46.1 | 51.9 | 58.0 | 61.5 | 59.1 | 54.9 | 48.6 | 41.0 | 36.6 | 48.1 |
| Highest Mean Min. Temperature (F) | 42.8 | 44.3 | 49.1 | 51.0 | 58.2 | 63.0 | 66.0 | 64.4 | 58.7 | 52.9 | 45.8 | 42.9 | 66.0 |
| Year Highest Occurred | 1978 | 1983 | 1993 | 1987 | 1973 | 1973 | 1971 | 1971 | 1983 | 1983 | 1981 | 1995 | 1971 |
| Lowest Mean Min. Temperature (F) | 31.4 | 33.1 | 37.9 | 42.5 | 46.2 | 53.0 | 55.4 | 53.5 | 48.1 | 42.0 | 33.6 | 29.7 | 29.7 |
| Year Lowest Occurred | 1985 | 1990 | 1985 | 1999 | 1995 | 1991 | 1995 | 1995 | 1986 | 1989 | 1994 | 1990 | 1990 |
| Mean Precipitation (in.) | 5.52 | 5.20 | 4.70 | 1.84 | 0.99 | 0.31 | 0.07 | 0.16 | 0.46 | 1.59 | 3.74 | 4.17 | 28.75 |
| Highest Precipitation (in.) | 16.29 | 14.35 | 14.58 | 6.27 | 4.20 | 1.69 | 1.60 | 1.50 | 3.46 | 3.94 | 10.38 | 12.44 | 16.29 |
| Year Highest Occurred | 1995 | 1998 | 1991 | 1983 | 1998 | 1995 | 1974 | 1993 | 1986 | 1975 | 1983 | 1983 | 1995 |
| Lowest Precipitation (in.) | 0.38 | 0.20 | 0.23 | 0.02 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.20 | 0.00 | 0.00 |
| Year Lowest Occurred | 1976 | 1997 | 1988 | 1987 | 1987 | 1994 | 2000 | 2000 | 2000 | 1995 | 1995 | 1989 | 1987 |
| Heating Degree Days (F) | 612. | 414. | 347. | 212. | 90. | 8. | 0. | 0. | 21. | 121. | 391. | 602. | 2818. |
| Cooling Degree Days (F) | 0. | 0. | 4. | 22. | 124. | 263. | 406. | 343. | 198. | 61. | 1. | 0. | 1422. |