| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 68.1 | 69.2 | 70.2 | 75.0 | 77.5 | 83.5 | 88.9 | 90.1 | 87.2 | 81.9 | 74.3 | 69.3 | 77.9 |
| Highest Mean Max. Temperature (F) | 77.0 | 78.4 | 77.3 | 81.3 | 86.9 | 91.1 | 94.5 | 96.2 | 94.1 | 89.9 | 82.2 | 75.5 | 96.2 |
| Year Highest Occurred | 1976 | 1977 | 1972 | 1987 | 1984 | 1981 | 1977 | 1998 | 1979 | 1999 | 1977 | 1980 | 1998 |
| Lowest Mean Max. Temperature (F) | 61.1 | 63.1 | 63.1 | 65.8 | 71.3 | 73.7 | 80.9 | 84.5 | 78.4 | 76.8 | 67.7 | 61.0 | 61.0 |
| Year Lowest Occurred | 1979 | 1998 | 1991 | 1975 | 1980 | 1982 | 1993 | 1989 | 1986 | 1972 | 1994 | 1971 | 1971 |
| Mean Temperature (F) | 52.5 | 54.4 | 56.0 | 59.5 | 63.0 | 68.0 | 72.3 | 73.0 | 70.4 | 64.6 | 57.1 | 52.6 | 62.0 |
| Highest Mean Temperature (F) | 57.5 | 59.4 | 61.3 | 63.9 | 69.8 | 74.4 | 76.7 | 77.7 | 78.5 | 68.6 | 62.0 | 57.4 | 78.5 |
| Year Highest Occurred | 1986 | 1995 | 1972 | 1992 | 1997 | 1981 | 1984 | 1998 | 1984 | 1991 | 1986 | 1977 | 1984 |
| Lowest Mean Temperature (F) | 48.8 | 50.3 | 50.4 | 52.1 | 59.1 | 62.0 | 67.6 | 70.0 | 65.3 | 60.5 | 51.3 | 46.9 | 46.9 |
| Year Lowest Occurred | 1973 | 1989 | 1991 | 1975 | 1977 | 1982 | 1987 | 1989 | 1985 | 1981 | 1994 | 1971 | 1971 |
| Mean Min. Temperature (F) | 36.9 | 39.6 | 41.7 | 44.0 | 48.4 | 52.4 | 55.7 | 55.9 | 53.6 | 47.3 | 39.9 | 35.8 | 45.9 |
| Highest Mean Min. Temperature (F) | 43.5 | 45.3 | 46.9 | 49.1 | 54.0 | 57.7 | 61.4 | 61.5 | 63.5 | 54.1 | 44.7 | 42.9 | 63.5 |
| Year Highest Occurred | 1980 | 1995 | 1978 | 1990 | 1992 | 1981 | 1984 | 1984 | 1984 | 1987 | 1986 | 1977 | 1984 |
| Lowest Mean Min. Temperature (F) | 31.9 | 34.9 | 34.9 | 38.4 | 44.1 | 48.6 | 51.1 | 51.1 | 50.0 | 43.0 | 34.9 | 28.8 | 28.8 |
| Year Lowest Occurred | 1989 | 1974 | 1977 | 1975 | 1975 | 1999 | 1986 | 1975 | 1985 | 1979 | 1994 | 1990 | 1990 |
| Mean Precipitation (in.) | 4.81 | 5.68 | 4.36 | 1.04 | 0.48 | 0.08 | 0.03 | 0.08 | 0.41 | 0.57 | 1.46 | 2.79 | 21.79 |
| Highest Precipitation (in.) | 24.53 | 23.76 | 14.50 | 4.43 | 4.07 | 0.80 | 0.78 | 1.22 | 5.57 | 3.32 | 5.72 | 9.15 | 24.53 |
| Year Highest Occurred | 1995 | 1998 | 1978 | 1983 | 1998 | 1993 | 1992 | 1983 | 1976 | 1996 | 1982 | 1971 | 1995 |
| 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 | 1976 | 1984 | 1997 | 1997 | 2000 | 2000 | 2000 | 2000 | 2000 | 2000 | 2000 | 1999 | 1976 |
| Heating Degree Days (F) | 388. | 299. | 289. | 190. | 125. | 46. | 7. | 6. | 24. | 83. | 248. | 387. | 2092. |
| Cooling Degree Days (F) | 0. | 1. | 9. | 25. | 63. | 134. | 233. | 253. | 187. | 70. | 12. | 2. | 989. |