| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 61.9 | 65.0 | 70.5 | 76.5 | 82.8 | 87.6 | 89.0 | 89.0 | 87.0 | 79.5 | 71.3 | 64.1 | 77.0 |
| Highest Mean Max. Temperature (F) | 73.1 | 69.8 | 76.7 | 80.3 | 86.7 | 91.9 | 92.2 | 92.0 | 89.9 | 83.2 | 77.0 | 71.5 | 92.2 |
| Year Highest Occurred | 1974 | 1990 | 1997 | 1981 | 1977 | 1981 | 2000 | 1993 | 1978 | 1984 | 1994 | 1984 | 2000 |
| Lowest Mean Max. Temperature (F) | 53.5 | 55.7 | 64.4 | 71.8 | 78.8 | 84.8 | 86.1 | 87.0 | 83.8 | 73.3 | 62.9 | 56.8 | 53.5 |
| Year Lowest Occurred | 1977 | 1978 | 1983 | 1983 | 1976 | 1976 | 1975 | 1992 | 1975 | 1976 | 1976 | 1989 | 1977 |
| Mean Temperature (F) | 50.3 | 53.1 | 59.0 | 64.7 | 71.8 | 77.8 | 80.0 | 79.8 | 76.9 | 67.4 | 59.1 | 52.2 | 66.0 |
| Highest Mean Temperature (F) | 64.1 | 59.8 | 66.1 | 69.7 | 75.3 | 81.2 | 82.1 | 82.0 | 79.2 | 72.9 | 65.4 | 60.6 | 82.1 |
| Year Highest Occurred | 1974 | 1990 | 1997 | 1991 | 1991 | 1981 | 2000 | 1995 | 1980 | 1985 | 1985 | 1984 | 2000 |
| Lowest Mean Temperature (F) | 41.3 | 44.1 | 53.2 | 60.4 | 68.6 | 75.2 | 77.6 | 78.3 | 74.1 | 61.1 | 51.1 | 44.4 | 41.3 |
| Year Lowest Occurred | 1977 | 1978 | 1998 | 1983 | 1971 | 1976 | 1975 | 1974 | 1983 | 1976 | 1976 | 1989 | 1977 |
| Mean Min. Temperature (F) | 38.7 | 41.2 | 47.4 | 52.8 | 60.7 | 67.9 | 70.9 | 70.5 | 66.8 | 55.2 | 46.9 | 40.3 | 54.9 |
| Highest Mean Min. Temperature (F) | 55.2 | 49.9 | 55.5 | 60.5 | 67.8 | 71.6 | 73.1 | 72.8 | 69.7 | 63.2 | 56.4 | 49.8 | 73.1 |
| Year Highest Occurred | 1974 | 1990 | 1997 | 1991 | 1991 | 1994 | 1991 | 1995 | 1988 | 1985 | 1986 | 1984 | 1991 |
| Lowest Mean Min. Temperature (F) | 28.7 | 32.4 | 41.7 | 48.0 | 56.5 | 64.1 | 67.9 | 68.6 | 62.2 | 46.7 | 39.3 | 32.1 | 28.7 |
| Year Lowest Occurred | 1981 | 1978 | 1971 | 1998 | 1981 | 1984 | 1972 | 1998 | 1981 | 1987 | 1976 | 1989 | 1981 |
| Mean Precipitation (in.) | 5.74 | 4.71 | 6.22 | 3.73 | 3.86 | 6.01 | 8.74 | 7.52 | 6.14 | 3.50 | 4.53 | 4.06 | 64.76 |
| Highest Precipitation (in.) | 16.49 | 9.94 | 11.84 | 13.73 | 10.53 | 15.58 | 21.87 | 14.25 | 29.26 | 8.59 | 12.78 | 10.68 | 29.26 |
| Year Highest Occurred | 1991 | 1972 | 1973 | 1984 | 1987 | 1989 | 1975 | 1992 | 1998 | 1985 | 1997 | 1982 | 1998 |
| Lowest Precipitation (in.) | 0.24 | 0.85 | 1.94 | 0.00 | 0.02 | 0.70 | 1.10 | 2.26 | 0.92 | 0.14 | 0.53 | 0.60 | 0.00 |
| Year Lowest Occurred | 1989 | 1976 | 1979 | 1986 | 1984 | 1998 | 1983 | 1993 | 1990 | 1973 | 1990 | 1980 | 1986 |
| Heating Degree Days (F) | 473. | 341. | 226. | 77. | 8. | 0. | 0. | 0. | 0. | 62. | 213. | 410. | 1810. |
| Cooling Degree Days (F) | 3. | 8. | 38. | 66. | 217. | 383. | 464. | 457. | 357. | 134. | 35. | 12. | 2174. |