| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 55.5 | 62.5 | 68.2 | 75.7 | 84.8 | 93.2 | 98.6 | 97.6 | 91.5 | 81.5 | 66.1 | 56.2 | 77.6 |
| Highest Mean Max. Temperature (F) | 60.7 | 69.4 | 76.2 | 83.7 | 90.6 | 99.2 | 102.7 | 101.1 | 96.5 | 87.0 | 74.5 | 62.1 | 102.7 |
| Year Highest Occurred | 1986 | 1991 | 1972 | 1987 | 1973 | 1981 | 1988 | 1996 | 1974 | 1991 | 1995 | 1976 | 1988 |
| Lowest Mean Max. Temperature (F) | 47.7 | 57.8 | 61.4 | 69.5 | 73.5 | 85.8 | 94.0 | 89.2 | 84.1 | 74.9 | 59.2 | 50.1 | 47.7 |
| Year Lowest Occurred | 1972 | 1971 | 1991 | 1975 | 1998 | 1998 | 1987 | 1976 | 1986 | 1984 | 1994 | 1985 | 1972 |
| Mean Temperature (F) | 46.1 | 51.1 | 55.8 | 60.8 | 68.4 | 75.8 | 80.5 | 79.3 | 74.5 | 65.4 | 53.6 | 45.9 | 63.1 |
| Highest Mean Temperature (F) | 51.3 | 55.1 | 59.8 | 67.7 | 74.1 | 80.6 | 84.0 | 82.4 | 78.7 | 69.3 | 59.9 | 51.1 | 84.0 |
| Year Highest Occurred | 1986 | 1991 | 1986 | 1989 | 1997 | 1981 | 1988 | 1998 | 1979 | 1991 | 1995 | 1995 | 1988 |
| Lowest Mean Temperature (F) | 39.6 | 46.6 | 50.4 | 54.8 | 60.7 | 72.2 | 75.1 | 73.2 | 67.6 | 60.6 | 48.4 | 40.9 | 39.6 |
| Year Lowest Occurred | 1972 | 1971 | 1977 | 1975 | 1998 | 1980 | 1987 | 1976 | 1986 | 1971 | 1994 | 1990 | 1972 |
| Mean Min. Temperature (F) | 36.6 | 39.7 | 43.3 | 45.8 | 52.0 | 58.4 | 62.3 | 61.0 | 57.4 | 49.3 | 41.1 | 35.5 | 48.5 |
| Highest Mean Min. Temperature (F) | 43.0 | 44.8 | 48.7 | 52.0 | 57.7 | 62.3 | 66.8 | 64.2 | 62.2 | 52.3 | 46.8 | 42.6 | 66.8 |
| Year Highest Occurred | 1995 | 1996 | 1989 | 1989 | 1997 | 2000 | 1985 | 1998 | 1979 | 1992 | 1997 | 1983 | 1985 |
| Lowest Mean Min. Temperature (F) | 31.2 | 34.9 | 35.3 | 40.1 | 46.4 | 54.8 | 56.3 | 57.1 | 51.1 | 43.6 | 36.8 | 27.3 | 27.3 |
| Year Lowest Occurred | 1975 | 1988 | 1977 | 1975 | 1977 | 1978 | 1987 | 1976 | 1986 | 1971 | 1971 | 1990 | 1990 |
| Mean Precipitation (in.) | 2.69 | 2.22 | 2.41 | 0.82 | 0.43 | 0.06 | 0.01 | 0.02 | 0.18 | 0.66 | 1.37 | 1.40 | 12.27 |
| Highest Precipitation (in.) | 7.28 | 5.45 | 6.44 | 3.49 | 2.41 | 1.30 | 0.08 | 0.28 | 1.50 | 2.51 | 4.11 | 3.82 | 7.28 |
| Year Highest Occurred | 1995 | 1986 | 1995 | 1978 | 1990 | 1982 | 1979 | 1983 | 1978 | 1974 | 1982 | 1996 | 1995 |
| Lowest Precipitation (in.) | 0.00 | 0.17 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1984 | 1977 | 1972 | 1979 | 1992 | 2000 | 2000 | 2000 | 2000 | 1995 | 1988 | 1989 | 1984 |
| Heating Degree Days (F) | 589. | 389. | 299. | 170. | 63. | 2. | 0. | 0. | 6. | 82. | 345. | 593. | 2538. |
| Cooling Degree Days (F) | 0. | 0. | 12. | 42. | 168. | 327. | 478. | 443. | 289. | 95. | 3. | 0. | 1857. |