| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 42.9 | 48.7 | 56.4 | 63.9 | 73.8 | 84.9 | 88.7 | 86.6 | 79.9 | 69.0 | 54.6 | 45.0 | 66.2 |
| Highest Mean Max. Temperature (F) | 53.0 | 54.5 | 65.4 | 72.2 | 80.3 | 90.0 | 94.3 | 89.4 | 85.6 | 76.9 | 63.5 | 52.4 | 94.3 |
| Year Highest Occurred | 1986 | 1995 | 1989 | 1989 | 1996 | 1990 | 1980 | 2000 | 1983 | 1979 | 1999 | 1980 | 1980 |
| Lowest Mean Max. Temperature (F) | 35.2 | 43.6 | 50.2 | 58.0 | 68.8 | 80.4 | 84.6 | 81.1 | 74.5 | 59.1 | 45.5 | 36.2 | 35.2 |
| Year Lowest Occurred | 1977 | 1998 | 1973 | 1975 | 1995 | 1995 | 1992 | 1999 | 1996 | 1984 | 2000 | 1992 | 1977 |
| Mean Temperature (F) | 29.5 | 34.8 | 42.3 | 49.1 | 58.7 | 68.7 | 73.3 | 71.6 | 64.5 | 53.4 | 40.6 | 31.4 | 51.5 |
| Highest Mean Temperature (F) | 37.3 | 41.4 | 49.2 | 55.6 | 65.2 | 72.9 | 76.2 | 74.5 | 68.4 | 58.4 | 46.7 | 37.8 | 76.2 |
| Year Highest Occurred | 1986 | 1995 | 1989 | 1989 | 1996 | 1990 | 1980 | 2000 | 1998 | 1979 | 1999 | 1980 | 1980 |
| Lowest Mean Temperature (F) | 21.8 | 29.2 | 37.7 | 44.0 | 55.5 | 64.1 | 70.7 | 69.0 | 61.8 | 46.8 | 34.3 | 21.9 | 21.8 |
| Year Lowest Occurred | 1977 | 1985 | 1977 | 1975 | 1975 | 1983 | 1992 | 1993 | 1996 | 1984 | 2000 | 1976 | 1977 |
| Mean Min. Temperature (F) | 16.0 | 20.9 | 28.2 | 34.3 | 43.5 | 52.5 | 57.8 | 56.5 | 49.1 | 37.7 | 26.5 | 17.8 | 36.7 |
| Highest Mean Min. Temperature (F) | 24.3 | 28.3 | 33.0 | 39.0 | 50.1 | 57.2 | 60.7 | 59.8 | 54.1 | 41.3 | 31.8 | 23.1 | 60.7 |
| Year Highest Occurred | 1999 | 1995 | 1989 | 1989 | 1996 | 1994 | 1996 | 1995 | 1997 | 1972 | 1998 | 1980 | 1996 |
| Lowest Mean Min. Temperature (F) | 8.4 | 13.7 | 20.8 | 29.0 | 38.6 | 47.3 | 53.8 | 53.4 | 44.2 | 32.9 | 20.0 | 5.8 | 5.8 |
| Year Lowest Occurred | 1977 | 1982 | 1971 | 1984 | 1971 | 1983 | 1983 | 1974 | 1983 | 1976 | 1976 | 1976 | 1976 |
| Mean Precipitation (in.) | 0.36 | 0.24 | 0.58 | 0.63 | 0.98 | 0.75 | 1.62 | 1.91 | 1.20 | 0.89 | 0.55 | 0.30 | 10.01 |
| Highest Precipitation (in.) | 1.02 | 0.61 | 2.42 | 2.46 | 2.43 | 2.23 | 3.11 | 5.07 | 2.64 | 2.31 | 1.85 | 1.19 | 5.07 |
| Year Highest Occurred | 1979 | 1987 | 1973 | 1985 | 1992 | 1999 | 1999 | 1988 | 1971 | 1998 | 1991 | 1971 | 1988 |
| Lowest Precipitation (in.) | 0.03 | 0.00 | 0.01 | 0.01 | 0.00 | 0.00 | 0.19 | 0.57 | 0.02 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1976 | 1991 | 1988 | 1989 | 1996 | 1980 | 1995 | 2000 | 2000 | 1995 | 1999 | 1988 | 1991 |
| Heating Degree Days (F) | 1103. | 846. | 704. | 477. | 216. | 31. | 0. | 3. | 72. | 366. | 734. | 1042. | 5594. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 19. | 141. | 255. | 206. | 56. | 4. | 0. | 0. | 681. |