| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 43.1 | 50.3 | 59.5 | 68.5 | 78.5 | 90.2 | 95.1 | 92.0 | 83.5 | 69.7 | 53.8 | 43.7 | 69.0 |
| Highest Mean Max. Temperature (F) | 51.0 | 59.2 | 67.3 | 77.4 | 85.7 | 96.2 | 98.7 | 96.8 | 88.2 | 76.5 | 60.6 | 53.2 | 98.7 |
| Year Highest Occurred | 1981 | 1995 | 1972 | 1989 | 1996 | 1994 | 1996 | 1994 | 1979 | 1988 | 1995 | 1980 | 1996 |
| Lowest Mean Max. Temperature (F) | 32.0 | 38.4 | 51.1 | 61.0 | 72.4 | 86.0 | 92.0 | 88.8 | 78.6 | 61.9 | 47.5 | 33.4 | 32.0 |
| Year Lowest Occurred | 1973 | 1979 | 1973 | 1975 | 1980 | 1979 | 1987 | 1982 | 1986 | 1984 | 1972 | 1978 | 1973 |
| Mean Temperature (F) | 34.7 | 40.4 | 48.3 | 56.1 | 65.6 | 76.3 | 81.7 | 79.2 | 71.0 | 58.2 | 44.3 | 35.4 | 57.6 |
| Highest Mean Temperature (F) | 40.4 | 47.9 | 54.7 | 63.3 | 71.9 | 81.7 | 85.7 | 83.7 | 73.9 | 63.7 | 49.9 | 42.3 | 85.7 |
| Year Highest Occurred | 1981 | 1995 | 1972 | 1989 | 2000 | 1994 | 1996 | 1994 | 1995 | 1988 | 1995 | 1980 | 1996 |
| Lowest Mean Temperature (F) | 26.4 | 30.4 | 42.6 | 50.0 | 60.1 | 72.3 | 78.2 | 76.0 | 66.4 | 52.2 | 39.5 | 26.1 | 26.1 |
| Year Lowest Occurred | 1979 | 1979 | 1973 | 1983 | 1980 | 1979 | 1987 | 1979 | 1986 | 1984 | 2000 | 1978 | 1978 |
| Mean Min. Temperature (F) | 26.3 | 30.4 | 37.0 | 43.6 | 52.6 | 62.3 | 68.3 | 66.4 | 58.4 | 46.6 | 34.7 | 27.1 | 46.1 |
| Highest Mean Min. Temperature (F) | 31.2 | 36.5 | 42.1 | 50.3 | 58.3 | 67.1 | 72.7 | 70.5 | 61.6 | 51.1 | 39.2 | 31.7 | 72.7 |
| Year Highest Occurred | 1980 | 1995 | 1972 | 1992 | 2000 | 1994 | 1996 | 1994 | 1990 | 1992 | 1995 | 1995 | 1996 |
| Lowest Mean Min. Temperature (F) | 18.1 | 22.4 | 29.5 | 39.0 | 47.7 | 58.7 | 64.5 | 62.0 | 53.3 | 40.9 | 31.2 | 17.6 | 17.6 |
| Year Lowest Occurred | 1989 | 1979 | 1977 | 1983 | 1980 | 1980 | 1987 | 1979 | 1985 | 1982 | 1979 | 1990 | 1990 |
| Mean Precipitation (in.) | 0.61 | 0.48 | 0.65 | 0.50 | 0.40 | 0.14 | 0.58 | 0.69 | 0.66 | 0.99 | 0.56 | 0.48 | 6.74 |
| Highest Precipitation (in.) | 3.21 | 1.75 | 1.83 | 2.14 | 1.85 | 0.93 | 1.68 | 1.83 | 3.22 | 3.89 | 2.06 | 4.00 | 4.00 |
| Year Highest Occurred | 1993 | 1993 | 1983 | 1988 | 1992 | 1972 | 1992 | 1982 | 1997 | 1972 | 1978 | 1978 | 1978 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 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 | 1992 | 1972 | 1989 | 1992 | 1991 | 1991 | 1993 | 1976 | 1979 | 1999 | 1999 | 1989 | 1992 |
| Heating Degree Days (F) | 939. | 692. | 521. | 292. | 102. | 5. | 0. | 0. | 15. | 241. | 622. | 917. | 4346. |
| Cooling Degree Days (F) | 0. | 0. | 2. | 24. | 118. | 343. | 518. | 441. | 194. | 28. | 0. | 0. | 1668. |