| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 58.0 | 58.8 | 59.1 | 60.7 | 61.3 | 63.4 | 64.6 | 65.6 | 66.5 | 65.0 | 61.6 | 58.2 | 61.9 |
| Highest Mean Max. Temperature (F) | 62.6 | 64.4 | 63.5 | 67.4 | 65.9 | 67.2 | 68.3 | 68.8 | 72.1 | 68.7 | 67.1 | 62.2 | 72.1 |
| Year Highest Occurred | 1994 | 1992 | 1992 | 1992 | 1993 | 1993 | 1992 | 1983 | 1983 | 1983 | 1993 | 2000 | 1983 |
| Lowest Mean Max. Temperature (F) | 53.7 | 53.7 | 54.3 | 53.5 | 56.9 | 59.7 | 60.0 | 62.1 | 61.3 | 60.5 | 57.3 | 53.0 | 53.0 |
| Year Lowest Occurred | 1974 | 1975 | 1975 | 1975 | 1999 | 1975 | 1971 | 1975 | 1975 | 1975 | 1994 | 1971 | 1971 |
| Mean Temperature (F) | 50.7 | 51.6 | 51.9 | 52.8 | 54.4 | 56.7 | 58.3 | 59.4 | 59.3 | 56.9 | 53.7 | 50.8 | 54.7 |
| Highest Mean Temperature (F) | 54.5 | 56.3 | 56.5 | 57.8 | 58.2 | 59.5 | 61.9 | 62.6 | 63.4 | 60.4 | 59.1 | 54.3 | 63.4 |
| Year Highest Occurred | 1986 | 1992 | 1992 | 1992 | 1997 | 1992 | 1992 | 1997 | 1983 | 1983 | 1997 | 2000 | 1983 |
| Lowest Mean Temperature (F) | 46.4 | 46.1 | 48.2 | 48.5 | 50.0 | 53.3 | 53.7 | 56.6 | 56.2 | 52.0 | 49.6 | 45.8 | 45.8 |
| Year Lowest Occurred | 1972 | 1989 | 1991 | 1975 | 1991 | 1991 | 1971 | 1975 | 1975 | 1971 | 1994 | 1971 | 1971 |
| Mean Min. Temperature (F) | 43.4 | 44.3 | 44.6 | 44.8 | 47.5 | 49.9 | 52.0 | 53.2 | 52.0 | 48.8 | 45.7 | 43.4 | 47.5 |
| Highest Mean Min. Temperature (F) | 48.0 | 48.1 | 49.5 | 48.1 | 51.1 | 53.0 | 55.4 | 56.8 | 55.4 | 52.5 | 51.2 | 48.2 | 56.8 |
| Year Highest Occurred | 1998 | 1992 | 1992 | 1992 | 1987 | 1998 | 1992 | 1997 | 1997 | 1972 | 1997 | 1996 | 1997 |
| Lowest Mean Min. Temperature (F) | 38.4 | 38.0 | 39.3 | 40.9 | 42.4 | 45.7 | 47.4 | 51.0 | 49.6 | 42.8 | 41.5 | 36.5 | 36.5 |
| Year Lowest Occurred | 1991 | 1989 | 1991 | 1991 | 1991 | 1991 | 1971 | 1992 | 1978 | 1971 | 1971 | 1990 | 1990 |
| Mean Precipitation (in.) | 5.55 | 4.91 | 4.36 | 1.77 | 0.79 | 0.26 | 0.16 | 0.27 | 0.44 | 1.82 | 3.53 | 4.10 | 27.96 |
| Highest Precipitation (in.) | 12.13 | 15.70 | 13.05 | 5.02 | 4.01 | 0.84 | 1.01 | 1.56 | 2.20 | 6.90 | 9.86 | 9.46 | 15.70 |
| Year Highest Occurred | 1998 | 1998 | 1983 | 1982 | 1998 | 1992 | 1974 | 1976 | 1986 | 1972 | 1984 | 1983 | 1998 |
| Lowest Precipitation (in.) | 0.26 | 0.26 | 0.12 | 0.13 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.05 | 0.30 | 0.03 | 0.00 |
| Year Lowest Occurred | 1984 | 1995 | 1988 | 1985 | 1982 | 1981 | 1987 | 1978 | 1987 | 1978 | 1995 | 1989 | 1982 |
| Heating Degree Days (F) | 443. | 376. | 391. | 368. | 328. | 250. | 210. | 177. | 176. | 254. | 341. | 440. | 3754. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 0. | 2. | 3. | 4. | 2. | 0. | 0. | 11. |