| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 56.9 | 61.8 | 65.3 | 71.2 | 77.0 | 84.0 | 89.1 | 88.7 | 85.9 | 77.9 | 64.8 | 57.0 | 73.3 |
| Highest Mean Max. Temperature (F) | 62.6 | 67.4 | 72.4 | 77.8 | 83.3 | 93.6 | 94.1 | 93.4 | 93.0 | 83.8 | 72.1 | 63.1 | 94.1 |
| Year Highest Occurred | 1976 | 1977 | 1972 | 1977 | 1997 | 1981 | 1984 | 1998 | 1984 | 1978 | 1995 | 1976 | 1984 |
| Lowest Mean Max. Temperature (F) | 52.7 | 56.4 | 59.6 | 63.3 | 66.1 | 76.2 | 81.9 | 83.7 | 79.4 | 73.0 | 58.5 | 52.3 | 52.3 |
| Year Lowest Occurred | 1982 | 1989 | 1991 | 1975 | 1998 | 1982 | 1987 | 1976 | 1986 | 2000 | 1994 | 1972 | 1972 |
| Mean Temperature (F) | 47.2 | 51.1 | 53.8 | 57.7 | 62.8 | 68.3 | 72.0 | 71.9 | 69.6 | 63.2 | 53.2 | 47.0 | 59.8 |
| Highest Mean Temperature (F) | 52.0 | 54.6 | 57.7 | 62.4 | 68.6 | 74.7 | 76.1 | 76.0 | 73.8 | 67.7 | 59.0 | 51.9 | 76.1 |
| Year Highest Occurred | 1995 | 1991 | 1986 | 1987 | 1997 | 1981 | 1988 | 1998 | 1984 | 1991 | 1995 | 1995 | 1988 |
| Lowest Mean Temperature (F) | 42.9 | 47.1 | 49.2 | 50.7 | 56.9 | 63.5 | 68.1 | 68.0 | 63.8 | 59.6 | 48.2 | 41.9 | 41.9 |
| Year Lowest Occurred | 1982 | 1989 | 1973 | 1975 | 1977 | 1982 | 1987 | 1976 | 1986 | 1971 | 1994 | 1978 | 1978 |
| Mean Min. Temperature (F) | 37.4 | 40.3 | 42.3 | 44.2 | 48.5 | 52.5 | 54.9 | 55.0 | 53.2 | 48.4 | 41.5 | 36.9 | 46.3 |
| Highest Mean Min. Temperature (F) | 46.5 | 45.4 | 47.2 | 48.6 | 53.9 | 56.5 | 58.8 | 59.3 | 57.9 | 53.4 | 47.2 | 44.5 | 59.3 |
| Year Highest Occurred | 1995 | 1996 | 1993 | 1989 | 1997 | 2000 | 1996 | 1990 | 1998 | 1987 | 1997 | 1995 | 1990 |
| Lowest Mean Min. Temperature (F) | 30.5 | 34.7 | 36.7 | 38.1 | 43.5 | 48.3 | 49.7 | 50.1 | 48.2 | 41.8 | 35.6 | 29.0 | 29.0 |
| Year Lowest Occurred | 1972 | 1971 | 1976 | 1975 | 1977 | 1971 | 1977 | 1972 | 1986 | 1971 | 1978 | 1978 | 1978 |
| Mean Precipitation (in.) | 2.99 | 2.77 | 2.47 | 0.96 | 0.43 | 0.09 | 0.03 | 0.08 | 0.24 | 0.84 | 1.88 | 2.04 | 14.82 |
| Highest Precipitation (in.) | 6.64 | 7.30 | 6.66 | 3.51 | 2.00 | 0.70 | 0.70 | 0.91 | 1.48 | 2.98 | 5.44 | 5.37 | 7.30 |
| Year Highest Occurred | 1995 | 1998 | 1995 | 1983 | 1998 | 1995 | 1980 | 1976 | 1982 | 1972 | 1983 | 1995 | 1998 |
| Lowest Precipitation (in.) | 0.30 | 0.15 | 0.06 | 0.15 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.10 | 0.00 |
| Year Lowest Occurred | 1976 | 1997 | 1997 | 1997 | 1992 | 1996 | 2000 | 1998 | 1997 | 1995 | 1995 | 1989 | 1992 |
| Heating Degree Days (F) | 555. | 391. | 349. | 238. | 130. | 34. | 6. | 4. | 19. | 111. | 358. | 560. | 2755. |
| Cooling Degree Days (F) | 0. | 0. | 2. | 18. | 60. | 131. | 222. | 216. | 154. | 53. | 2. | 0. | 858. |