| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 52.1 | 54.5 | 56.8 | 62.6 | 70.5 | 79.5 | 86.2 | 85.8 | 80.3 | 70.8 | 58.6 | 52.3 | 67.5 |
| Highest Mean Max. Temperature (F) | 58.8 | 61.6 | 66.8 | 71.6 | 76.4 | 86.7 | 90.5 | 90.9 | 86.2 | 79.1 | 66.8 | 60.3 | 90.9 |
| Year Highest Occurred | 1986 | 1991 | 1972 | 1987 | 1984 | 1981 | 1972 | 1981 | 1979 | 1988 | 1995 | 1980 | 1981 |
| Lowest Mean Max. Temperature (F) | 43.7 | 47.6 | 49.0 | 54.1 | 61.0 | 72.7 | 81.1 | 80.7 | 72.1 | 63.5 | 50.1 | 43.5 | 43.5 |
| Year Lowest Occurred | 1979 | 1998 | 1991 | 1975 | 1977 | 1998 | 1992 | 1976 | 1986 | 1984 | 1994 | 1984 | 1984 |
| Mean Temperature (F) | 41.8 | 43.6 | 45.9 | 50.4 | 57.7 | 66.0 | 72.4 | 71.4 | 65.7 | 56.6 | 47.1 | 41.7 | 55.0 |
| Highest Mean Temperature (F) | 48.4 | 48.8 | 52.1 | 56.7 | 62.9 | 71.8 | 75.0 | 75.1 | 69.4 | 62.1 | 52.6 | 48.2 | 75.1 |
| Year Highest Occurred | 1986 | 1995 | 1972 | 1989 | 1997 | 1981 | 1984 | 1998 | 1974 | 1988 | 1995 | 1980 | 1998 |
| Lowest Mean Temperature (F) | 36.2 | 39.5 | 40.3 | 42.7 | 50.7 | 61.9 | 67.2 | 65.6 | 58.6 | 51.2 | 40.1 | 35.1 | 35.1 |
| Year Lowest Occurred | 1979 | 1989 | 1991 | 1975 | 1977 | 1998 | 1983 | 1976 | 1986 | 1984 | 1994 | 1971 | 1971 |
| Mean Min. Temperature (F) | 31.5 | 32.7 | 35.0 | 38.2 | 44.9 | 52.5 | 58.6 | 56.9 | 51.0 | 42.3 | 35.5 | 31.1 | 42.5 |
| Highest Mean Min. Temperature (F) | 37.9 | 37.1 | 39.8 | 44.5 | 52.3 | 56.8 | 62.2 | 60.6 | 54.9 | 47.3 | 40.3 | 36.3 | 62.2 |
| Year Highest Occurred | 1986 | 1996 | 1978 | 1989 | 1997 | 1981 | 1994 | 1992 | 1997 | 1991 | 1997 | 1977 | 1994 |
| Lowest Mean Min. Temperature (F) | 26.9 | 28.6 | 29.0 | 31.2 | 40.4 | 49.2 | 50.5 | 50.5 | 45.1 | 36.7 | 30.0 | 25.5 | 25.5 |
| Year Lowest Occurred | 1972 | 1979 | 1977 | 1975 | 1977 | 1995 | 1983 | 1976 | 1986 | 1971 | 1994 | 1971 | 1971 |
| Mean Precipitation (in.) | 2.14 | 1.94 | 2.36 | 0.71 | 0.46 | 0.12 | 0.08 | 0.28 | 0.22 | 0.55 | 1.19 | 1.46 | 11.51 |
| Highest Precipitation (in.) | 9.09 | 6.39 | 11.59 | 2.01 | 2.54 | 0.82 | 1.10 | 2.65 | 1.80 | 2.23 | 4.24 | 4.45 | 11.59 |
| Year Highest Occurred | 1995 | 1998 | 1983 | 1974 | 1998 | 1993 | 1984 | 1983 | 1976 | 1974 | 1987 | 1992 | 1983 |
| Lowest Precipitation (in.) | 0.00 | 0.11 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.00 | 0.00 |
| Year Lowest Occurred | 1984 | 1974 | 1997 | 1991 | 1997 | 2000 | 2000 | 2000 | 1996 | 1995 | 1980 | 1989 | 1984 |
| Heating Degree Days (F) | 718. | 600. | 592. | 442. | 252. | 65. | 7. | 10. | 74. | 280. | 539. | 722. | 4301. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 3. | 25. | 95. | 236. | 206. | 94. | 18. | 0. | 0. | 677. |