| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 66.5 | 67.8 | 68.0 | 72.8 | 76.4 | 84.4 | 90.2 | 90.8 | 87.7 | 80.9 | 73.0 | 67.5 | 77.2 |
| Highest Mean Max. Temperature (F) | 73.5 | 76.9 | 75.9 | 78.3 | 85.6 | 92.9 | 96.3 | 95.7 | 96.3 | 89.8 | 80.7 | 75.0 | 96.3 |
| Year Highest Occurred | 1976 | 1977 | 1997 | 1996 | 1984 | 1981 | 1980 | 1981 | 1979 | 1999 | 1977 | 1980 | 1980 |
| Lowest Mean Max. Temperature (F) | 60.4 | 59.8 | 61.2 | 64.4 | 68.8 | 76.1 | 83.3 | 85.2 | 78.0 | 74.5 | 66.1 | 60.4 | 59.8 |
| Year Lowest Occurred | 1979 | 1998 | 1991 | 1975 | 1995 | 1982 | 1993 | 1989 | 1986 | 2000 | 1985 | 1984 | 1998 |
| Mean Temperature (F) | 52.4 | 53.6 | 54.5 | 57.9 | 62.2 | 67.9 | 73.0 | 73.9 | 71.5 | 64.3 | 57.4 | 52.3 | 61.7 |
| Highest Mean Temperature (F) | 58.1 | 58.6 | 58.3 | 62.8 | 68.3 | 74.4 | 77.5 | 77.7 | 75.6 | 69.2 | 61.8 | 59.0 | 77.7 |
| Year Highest Occurred | 1986 | 1980 | 1993 | 1989 | 1997 | 1981 | 1984 | 1998 | 1997 | 1978 | 1977 | 1980 | 1998 |
| Lowest Mean Temperature (F) | 48.6 | 50.0 | 50.0 | 51.6 | 57.1 | 63.5 | 68.2 | 70.0 | 64.7 | 60.1 | 50.2 | 48.3 | 48.3 |
| Year Lowest Occurred | 1973 | 1998 | 1973 | 1975 | 1971 | 1982 | 1987 | 1976 | 1986 | 1971 | 1994 | 1987 | 1987 |
| Mean Min. Temperature (F) | 38.3 | 39.4 | 40.9 | 42.9 | 47.9 | 51.4 | 55.8 | 57.0 | 55.2 | 47.7 | 41.8 | 37.0 | 46.3 |
| Highest Mean Min. Temperature (F) | 44.5 | 44.6 | 46.7 | 49.0 | 55.0 | 56.6 | 62.2 | 61.9 | 60.1 | 55.2 | 45.6 | 42.9 | 62.2 |
| Year Highest Occurred | 1986 | 1992 | 1978 | 1992 | 1992 | 1990 | 1984 | 1992 | 1984 | 1987 | 1992 | 1980 | 1984 |
| Lowest Mean Min. Temperature (F) | 32.1 | 34.5 | 33.3 | 36.4 | 43.1 | 47.7 | 52.4 | 50.1 | 51.3 | 42.6 | 33.8 | 32.9 | 32.1 |
| Year Lowest Occurred | 1972 | 1997 | 1977 | 1974 | 1977 | 1975 | 1983 | 1975 | 1986 | 1975 | 1994 | 1993 | 1972 |
| Mean Precipitation (in.) | 3.40 | 3.42 | 3.56 | 1.15 | 0.39 | 0.08 | 0.12 | 0.20 | 0.36 | 0.55 | 1.42 | 1.78 | 16.43 |
| Highest Precipitation (in.) | 14.15 | 12.88 | 10.55 | 3.65 | 2.48 | 0.80 | 1.44 | 2.17 | 3.03 | 3.26 | 5.81 | 5.31 | 14.15 |
| Year Highest Occurred | 1993 | 1980 | 1991 | 1988 | 1977 | 1990 | 1979 | 1977 | 1976 | 1987 | 1985 | 1984 | 1993 |
| Lowest Precipitation (in.) | 0.00 | 0.04 | 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 | 1974 | 1997 | 1993 | 1997 | 2000 | 2000 | 2000 | 1999 | 1999 | 1992 | 2000 | 1992 |
| Heating Degree Days (F) | 392. | 320. | 313. | 232. | 141. | 48. | 5. | 5. | 14. | 94. | 242. | 397. | 2203. |
| Cooling Degree Days (F) | 0. | 0. | 2. | 17. | 53. | 134. | 253. | 282. | 207. | 73. | 14. | 1. | 1036. |