| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 49.3 | 55.0 | 63.2 | 71.4 | 80.0 | 88.8 | 90.3 | 87.6 | 81.1 | 71.8 | 58.7 | 49.9 | 70.6 |
| Highest Mean Max. Temperature (F) | 57.3 | 64.1 | 70.9 | 77.4 | 89.3 | 97.2 | 97.2 | 92.5 | 87.6 | 78.1 | 67.2 | 60.3 | 97.2 |
| Year Highest Occurred | 1986 | 2000 | 1974 | 1972 | 1996 | 1990 | 1980 | 2000 | 2000 | 1979 | 1973 | 1980 | 1980 |
| Lowest Mean Max. Temperature (F) | 38.3 | 45.6 | 57.6 | 61.8 | 75.5 | 83.8 | 84.9 | 83.1 | 73.6 | 66.1 | 49.8 | 42.4 | 38.3 |
| Year Lowest Occurred | 1979 | 1978 | 1973 | 1997 | 1992 | 1986 | 1991 | 1981 | 1991 | 1984 | 2000 | 1983 | 1979 |
| Mean Temperature (F) | 35.4 | 40.0 | 46.8 | 54.5 | 63.5 | 72.3 | 75.2 | 73.4 | 66.6 | 56.5 | 44.4 | 36.2 | 55.4 |
| Highest Mean Temperature (F) | 40.7 | 46.7 | 52.4 | 59.0 | 70.6 | 79.1 | 80.5 | 76.9 | 71.5 | 60.2 | 50.3 | 44.4 | 80.5 |
| Year Highest Occurred | 1986 | 2000 | 1974 | 1978 | 1996 | 1990 | 1980 | 2000 | 1998 | 1979 | 1981 | 1980 | 1980 |
| Lowest Mean Temperature (F) | 26.7 | 33.4 | 42.8 | 48.4 | 59.7 | 69.3 | 71.7 | 70.1 | 62.0 | 52.1 | 38.1 | 29.2 | 26.7 |
| Year Lowest Occurred | 1979 | 1978 | 1998 | 1997 | 1983 | 1979 | 1975 | 1971 | 1974 | 1976 | 1972 | 1983 | 1979 |
| Mean Min. Temperature (F) | 21.4 | 25.0 | 30.3 | 37.5 | 46.9 | 55.8 | 60.1 | 59.1 | 52.1 | 41.2 | 30.1 | 22.4 | 40.2 |
| Highest Mean Min. Temperature (F) | 25.8 | 29.3 | 34.5 | 41.7 | 51.9 | 60.9 | 63.8 | 61.5 | 56.0 | 45.4 | 35.3 | 28.5 | 63.8 |
| Year Highest Occurred | 1999 | 2000 | 1997 | 1981 | 1996 | 1990 | 1980 | 1995 | 1990 | 1998 | 1981 | 1980 | 1980 |
| Lowest Mean Min. Temperature (F) | 15.1 | 21.1 | 25.2 | 33.1 | 41.9 | 51.7 | 56.6 | 57.0 | 47.9 | 36.1 | 22.9 | 16.0 | 15.1 |
| Year Lowest Occurred | 1979 | 1978 | 1984 | 1973 | 1983 | 1973 | 1972 | 1971 | 1974 | 1976 | 1976 | 1983 | 1979 |
| Mean Precipitation (in.) | 0.49 | 0.55 | 0.78 | 1.04 | 1.69 | 2.26 | 3.11 | 3.14 | 2.27 | 1.45 | 0.80 | 0.61 | 18.19 |
| Highest Precipitation (in.) | 1.78 | 1.83 | 3.85 | 4.80 | 4.51 | 9.07 | 9.64 | 7.69 | 5.36 | 4.30 | 3.55 | 2.45 | 9.64 |
| Year Highest Occurred | 1983 | 1990 | 1985 | 1997 | 1986 | 1988 | 1991 | 1981 | 1990 | 1974 | 1986 | 1991 | 1991 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.05 | 0.00 | 0.10 | 0.40 | 0.15 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 2000 | 2000 | 1997 | 1996 | 1998 | 1990 | 1995 | 2000 | 2000 | 1990 | 1995 | 1990 | 2000 |
| Heating Degree Days (F) | 920. | 699. | 567. | 324. | 118. | 13. | 0. | 2. | 56. | 269. | 619. | 895. | 4482. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 8. | 69. | 232. | 317. | 261. | 103. | 4. | 0. | 0. | 994. |