| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 59.5 | 65.1 | 69.7 | 78.4 | 87.6 | 98.6 | 101.6 | 98.6 | 92.6 | 81.8 | 68.6 | 59.1 | 80.1 |
| Highest Mean Max. Temperature (F) | 66.3 | 76.6 | 80.9 | 88.7 | 95.7 | 104.8 | 105.4 | 102.9 | 98.9 | 88.1 | 78.9 | 67.0 | 105.4 |
| Year Highest Occurred | 1986 | 1991 | 1972 | 1989 | 2000 | 1974 | 2000 | 1994 | 1979 | 1990 | 1989 | 1989 | 2000 |
| Lowest Mean Max. Temperature (F) | 50.3 | 56.8 | 55.0 | 69.8 | 81.1 | 93.2 | 96.4 | 93.7 | 84.9 | 72.2 | 58.7 | 52.6 | 50.3 |
| Year Lowest Occurred | 1979 | 1973 | 1973 | 1975 | 1971 | 1991 | 1986 | 1971 | 1986 | 1971 | 1972 | 1971 | 1979 |
| Mean Temperature (F) | 45.7 | 49.9 | 54.0 | 60.6 | 69.1 | 78.7 | 84.5 | 82.6 | 76.2 | 65.1 | 52.8 | 45.6 | 63.7 |
| Highest Mean Temperature (F) | 50.7 | 57.5 | 61.7 | 67.7 | 74.5 | 84.4 | 87.5 | 86.4 | 81.1 | 70.6 | 59.8 | 52.1 | 87.5 |
| Year Highest Occurred | 1981 | 1991 | 1972 | 1989 | 1984 | 1974 | 1980 | 1994 | 1979 | 1988 | 1989 | 1980 | 1980 |
| Lowest Mean Temperature (F) | 40.3 | 45.0 | 44.5 | 52.9 | 64.1 | 73.6 | 80.8 | 79.4 | 70.2 | 58.5 | 46.7 | 40.8 | 40.3 |
| Year Lowest Occurred | 1979 | 1979 | 1973 | 1975 | 1980 | 1998 | 1992 | 1971 | 1986 | 1971 | 1972 | 1971 | 1979 |
| Mean Min. Temperature (F) | 31.9 | 34.7 | 38.3 | 42.8 | 50.5 | 58.7 | 67.4 | 66.5 | 59.7 | 48.3 | 37.0 | 32.0 | 47.3 |
| Highest Mean Min. Temperature (F) | 37.1 | 40.2 | 42.4 | 48.9 | 54.3 | 64.6 | 70.9 | 70.0 | 64.6 | 54.5 | 41.1 | 37.5 | 70.9 |
| Year Highest Occurred | 1980 | 1980 | 1972 | 1990 | 1987 | 1981 | 1981 | 1982 | 1983 | 1988 | 1982 | 1980 | 1981 |
| Lowest Mean Min. Temperature (F) | 27.5 | 28.0 | 31.1 | 36.0 | 46.1 | 52.4 | 62.8 | 62.2 | 54.4 | 44.7 | 30.2 | 26.9 | 26.9 |
| Year Lowest Occurred | 1996 | 1979 | 1977 | 1975 | 1980 | 1998 | 1987 | 1976 | 1985 | 1976 | 1971 | 1974 | 1974 |
| Mean Precipitation (in.) | 2.13 | 2.22 | 2.32 | 0.87 | 0.45 | 0.24 | 1.85 | 2.67 | 1.88 | 1.57 | 1.47 | 1.86 | 19.53 |
| Highest Precipitation (in.) | 9.77 | 9.14 | 8.31 | 2.79 | 2.48 | 1.77 | 5.19 | 6.09 | 6.27 | 9.24 | 6.28 | 6.98 | 9.77 |
| Year Highest Occurred | 1993 | 1980 | 1991 | 1976 | 1992 | 1972 | 1998 | 1992 | 1983 | 1972 | 1978 | 1978 | 1993 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.39 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1972 | 1974 | 1997 | 1993 | 2000 | 1998 | 1993 | 1999 | 1973 | 1999 | 1999 | 1999 | 1972 |
| Heating Degree Days (F) | 598. | 423. | 352. | 187. | 44. | 2. | 0. | 0. | 4. | 102. | 375. | 603. | 2690. |
| Cooling Degree Days (F) | 0. | 0. | 12. | 54. | 170. | 413. | 604. | 543. | 338. | 104. | 9. | 0. | 2247. |