| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 52.8 | 57.2 | 62.6 | 70.5 | 79.6 | 90.3 | 95.9 | 93.8 | 86.3 | 75.0 | 61.3 | 53.5 | 73.2 |
| Highest Mean Max. Temperature (F) | 60.8 | 64.8 | 72.4 | 79.3 | 86.9 | 96.1 | 99.2 | 98.8 | 92.3 | 83.2 | 70.3 | 61.9 | 99.2 |
| Year Highest Occurred | 1986 | 1995 | 1972 | 1989 | 1984 | 1974 | 1994 | 1996 | 1979 | 1988 | 1995 | 1980 | 1994 |
| Lowest Mean Max. Temperature (F) | 44.4 | 51.1 | 53.9 | 61.3 | 71.1 | 83.7 | 92.0 | 87.4 | 80.4 | 68.3 | 52.8 | 46.5 | 44.4 |
| Year Lowest Occurred | 1979 | 1998 | 1973 | 1975 | 1977 | 1998 | 1992 | 1983 | 1986 | 1972 | 1994 | 1992 | 1979 |
| Mean Temperature (F) | 41.3 | 45.2 | 50.4 | 57.6 | 66.3 | 76.8 | 83.2 | 81.0 | 72.7 | 61.2 | 48.6 | 41.5 | 60.5 |
| Highest Mean Temperature (F) | 48.3 | 50.8 | 56.5 | 64.8 | 73.3 | 82.9 | 87.6 | 85.2 | 77.5 | 67.9 | 54.3 | 49.6 | 87.6 |
| Year Highest Occurred | 1986 | 1995 | 1972 | 1989 | 1984 | 1981 | 1981 | 1994 | 1979 | 1988 | 1995 | 1980 | 1981 |
| Lowest Mean Temperature (F) | 35.7 | 39.8 | 43.8 | 50.4 | 59.5 | 69.5 | 78.8 | 76.0 | 68.2 | 54.7 | 40.9 | 35.9 | 35.7 |
| Year Lowest Occurred | 1979 | 1994 | 1973 | 1975 | 1977 | 1995 | 1997 | 1983 | 1985 | 1984 | 1994 | 1990 | 1979 |
| Mean Min. Temperature (F) | 29.7 | 33.1 | 38.2 | 44.6 | 52.9 | 63.3 | 70.5 | 68.2 | 59.1 | 47.4 | 35.9 | 29.5 | 47.7 |
| Highest Mean Min. Temperature (F) | 36.4 | 38.8 | 43.8 | 51.3 | 59.8 | 71.4 | 77.2 | 73.1 | 64.6 | 54.2 | 42.5 | 38.7 | 77.2 |
| Year Highest Occurred | 1981 | 1980 | 1978 | 1981 | 1984 | 1981 | 1981 | 1995 | 1981 | 1978 | 1981 | 1977 | 1981 |
| Lowest Mean Min. Temperature (F) | 24.0 | 28.0 | 32.7 | 37.6 | 46.8 | 54.2 | 62.8 | 63.5 | 55.5 | 40.1 | 28.7 | 21.8 | 21.8 |
| Year Lowest Occurred | 1973 | 1994 | 1977 | 1999 | 1998 | 1995 | 1997 | 1999 | 1985 | 1984 | 2000 | 1990 | 1990 |
| Mean Precipitation (in.) | 1.54 | 1.80 | 2.03 | 0.52 | 0.29 | 0.12 | 0.85 | 1.06 | 0.51 | 0.34 | 0.74 | 0.76 | 10.56 |
| Highest Precipitation (in.) | 5.70 | 7.31 | 7.09 | 3.21 | 1.45 | 0.85 | 3.60 | 8.96 | 3.53 | 1.86 | 2.65 | 3.00 | 8.96 |
| Year Highest Occurred | 1993 | 1998 | 1992 | 1978 | 1998 | 1998 | 1984 | 1983 | 1997 | 1992 | 1984 | 1984 | 1983 |
| 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 | 1991 | 1987 | 1997 | 1997 | 1997 | 2000 | 2000 | 1996 | 2000 | 1999 | 2000 | 2000 | 1991 |
| Heating Degree Days (F) | 737. | 556. | 457. | 260. | 103. | 10. | 0. | 0. | 10. | 180. | 494. | 729. | 3536. |
| Cooling Degree Days (F) | 0. | 0. | 4. | 36. | 141. | 363. | 564. | 496. | 241. | 62. | 2. | 0. | 1909. |