| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 62.2 | 64.2 | 66.0 | 72.1 | 78.1 | 87.3 | 93.5 | 93.6 | 88.8 | 79.4 | 69.3 | 63.0 | 76.5 |
| Highest Mean Max. Temperature (F) | 69.6 | 71.6 | 78.4 | 80.2 | 88.5 | 93.9 | 96.1 | 98.5 | 95.8 | 87.2 | 78.9 | 70.1 | 98.5 |
| Year Highest Occurred | 1986 | 1991 | 1972 | 1989 | 1997 | 1981 | 1980 | 1995 | 1979 | 1988 | 1995 | 2000 | 1995 |
| Lowest Mean Max. Temperature (F) | 54.0 | 57.1 | 56.3 | 61.6 | 69.4 | 79.5 | 87.0 | 89.9 | 80.5 | 72.3 | 63.8 | 55.2 | 54.0 |
| Year Lowest Occurred | 1979 | 1998 | 1973 | 1975 | 1980 | 1998 | 1993 | 1979 | 1976 | 1972 | 1982 | 1971 | 1979 |
| Mean Temperature (F) | 48.2 | 49.3 | 50.9 | 54.7 | 59.7 | 66.0 | 72.3 | 73.0 | 68.8 | 60.6 | 52.3 | 47.8 | 58.6 |
| Highest Mean Temperature (F) | 54.7 | 55.4 | 55.9 | 60.0 | 66.8 | 72.3 | 75.5 | 77.3 | 73.3 | 65.4 | 58.9 | 52.9 | 77.3 |
| Year Highest Occurred | 1986 | 1995 | 1972 | 1989 | 1997 | 1981 | 1972 | 1998 | 1984 | 1988 | 1995 | 1980 | 1998 |
| Lowest Mean Temperature (F) | 43.1 | 45.6 | 45.2 | 48.1 | 54.4 | 61.1 | 66.4 | 68.4 | 62.1 | 56.5 | 47.5 | 43.1 | 43.1 |
| Year Lowest Occurred | 1979 | 1998 | 1973 | 1975 | 1977 | 1991 | 1993 | 1976 | 1986 | 1971 | 2000 | 1971 | 1979 |
| Mean Min. Temperature (F) | 34.1 | 34.3 | 35.8 | 37.3 | 41.3 | 44.7 | 51.0 | 52.3 | 48.7 | 41.8 | 35.3 | 32.5 | 40.8 |
| Highest Mean Min. Temperature (F) | 41.1 | 40.8 | 42.1 | 42.7 | 47.2 | 50.6 | 57.4 | 57.5 | 56.1 | 47.7 | 38.8 | 37.5 | 57.5 |
| Year Highest Occurred | 1980 | 1995 | 1978 | 1990 | 1992 | 1981 | 1984 | 1971 | 1984 | 1987 | 1995 | 1980 | 1971 |
| Lowest Mean Min. Temperature (F) | 28.3 | 29.8 | 28.7 | 33.3 | 37.6 | 39.6 | 45.3 | 46.5 | 40.8 | 37.9 | 29.3 | 28.4 | 28.3 |
| Year Lowest Occurred | 1972 | 1990 | 1977 | 1972 | 1975 | 1991 | 1997 | 1976 | 1973 | 1998 | 2000 | 1992 | 1972 |
| Mean Precipitation (in.) | 3.30 | 3.04 | 3.02 | 0.94 | 0.26 | 0.09 | 0.29 | 0.55 | 0.40 | 0.65 | 1.24 | 1.80 | 15.58 |
| Highest Precipitation (in.) | 18.61 | 10.37 | 9.92 | 3.31 | 1.17 | 0.55 | 1.74 | 4.05 | 2.85 | 3.13 | 4.53 | 4.45 | 18.61 |
| Year Highest Occurred | 1993 | 1998 | 1983 | 1999 | 1998 | 1984 | 1985 | 1983 | 1976 | 1987 | 1985 | 1978 | 1993 |
| 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 | 0.03 | 0.00 |
| Year Lowest Occurred | 1972 | 1984 | 1972 | 1993 | 2000 | 1996 | 2000 | 1999 | 1994 | 1999 | 1999 | 1981 | 1972 |
| Heating Degree Days (F) | 522. | 440. | 438. | 319. | 198. | 69. | 9. | 10. | 42. | 170. | 381. | 535. | 3133. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 10. | 34. | 99. | 234. | 257. | 153. | 33. | 1. | 0. | 821. |