| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 59.4 | 64.1 | 69.6 | 77.0 | 85.4 | 94.1 | 93.1 | 90.8 | 87.8 | 79.0 | 67.8 | 59.5 | 77.3 |
| Highest Mean Max. Temperature (F) | 65.9 | 69.6 | 76.6 | 85.1 | 92.0 | 100.0 | 97.8 | 95.2 | 92.2 | 85.0 | 75.3 | 64.5 | 100.0 |
| Year Highest Occurred | 1996 | 1999 | 1972 | 1989 | 1996 | 1990 | 1994 | 1994 | 1997 | 1979 | 1999 | 1980 | 1990 |
| Lowest Mean Max. Temperature (F) | 51.8 | 57.2 | 61.1 | 69.0 | 82.1 | 90.9 | 87.5 | 87.3 | 83.5 | 72.5 | 58.9 | 53.2 | 51.8 |
| Year Lowest Occurred | 1979 | 1998 | 1973 | 1983 | 1975 | 1984 | 1999 | 1988 | 1986 | 1984 | 2000 | 1978 | 1979 |
| Mean Temperature (F) | 44.6 | 48.5 | 53.2 | 59.1 | 67.5 | 76.3 | 78.6 | 76.8 | 72.4 | 62.4 | 51.5 | 44.8 | 61.3 |
| Highest Mean Temperature (F) | 49.1 | 53.6 | 58.9 | 64.1 | 72.7 | 81.8 | 82.0 | 80.5 | 76.1 | 67.1 | 55.2 | 49.6 | 82.0 |
| Year Highest Occurred | 1986 | 1996 | 1972 | 1989 | 1996 | 1994 | 1980 | 1994 | 1997 | 1979 | 1995 | 1977 | 1980 |
| Lowest Mean Temperature (F) | 40.7 | 43.7 | 47.7 | 53.2 | 64.8 | 72.5 | 75.5 | 73.5 | 69.1 | 58.5 | 45.4 | 40.3 | 40.3 |
| Year Lowest Occurred | 1992 | 1998 | 1973 | 1983 | 1995 | 1991 | 1999 | 1990 | 1986 | 1984 | 2000 | 1997 | 1997 |
| Mean Min. Temperature (F) | 29.8 | 32.8 | 36.8 | 41.2 | 49.6 | 58.4 | 64.1 | 62.7 | 56.9 | 45.8 | 35.2 | 30.1 | 45.3 |
| Highest Mean Min. Temperature (F) | 35.8 | 37.9 | 41.4 | 44.4 | 53.6 | 64.3 | 67.5 | 65.7 | 61.4 | 50.5 | 40.8 | 35.1 | 67.5 |
| Year Highest Occurred | 1993 | 1996 | 1986 | 1977 | 2000 | 1994 | 1980 | 1994 | 1983 | 1977 | 1978 | 1977 | 1980 |
| Lowest Mean Min. Temperature (F) | 25.1 | 27.9 | 33.9 | 36.4 | 44.8 | 52.6 | 60.8 | 58.7 | 52.0 | 42.1 | 29.5 | 25.8 | 25.1 |
| Year Lowest Occurred | 1990 | 1974 | 1991 | 1998 | 1991 | 1991 | 1987 | 1990 | 1988 | 1990 | 1992 | 1988 | 1990 |
| Mean Precipitation (in.) | 0.95 | 0.77 | 0.47 | 0.17 | 0.25 | 0.53 | 3.12 | 3.05 | 1.36 | 1.06 | 0.58 | 0.90 | 13.21 |
| Highest Precipitation (in.) | 4.19 | 2.10 | 1.85 | 0.81 | 2.25 | 2.69 | 5.90 | 6.79 | 4.05 | 6.12 | 2.50 | 3.85 | 6.79 |
| Year Highest Occurred | 1993 | 1980 | 1992 | 1988 | 1992 | 2000 | 1999 | 1988 | 1983 | 2000 | 1994 | 1978 | 1988 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.81 | 0.69 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1996 | 1984 | 1971 | 2000 | 2000 | 1995 | 1994 | 1976 | 1992 | 1982 | 1999 | 1996 | 1996 |
| Heating Degree Days (F) | 632. | 464. | 368. | 196. | 43. | 1. | 0. | 0. | 6. | 126. | 406. | 626. | 2868. |
| Cooling Degree Days (F) | 0. | 0. | 1. | 19. | 120. | 340. | 422. | 365. | 227. | 46. | 0. | 0. | 1540. |