| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 48.6 | 55.0 | 60.8 | 68.8 | 77.2 | 87.3 | 90.0 | 87.2 | 81.7 | 71.2 | 58.0 | 48.9 | 69.6 |
| Highest Mean Max. Temperature (F) | 59.0 | 60.9 | 69.4 | 76.9 | 84.8 | 92.9 | 93.7 | 90.6 | 87.2 | 77.9 | 68.4 | 56.7 | 93.7 |
| Year Highest Occurred | 1986 | 2000 | 1972 | 1989 | 1984 | 1974 | 1971 | 1994 | 2000 | 1988 | 1999 | 1977 | 1971 |
| Lowest Mean Max. Temperature (F) | 37.9 | 48.6 | 51.0 | 61.5 | 71.7 | 83.1 | 86.5 | 84.1 | 76.6 | 63.0 | 51.9 | 40.6 | 37.9 |
| Year Lowest Occurred | 1992 | 1973 | 1973 | 1973 | 1995 | 1991 | 1999 | 1988 | 1996 | 1971 | 1972 | 1992 | 1992 |
| Mean Temperature (F) | 34.1 | 39.0 | 44.3 | 50.8 | 58.6 | 67.5 | 73.1 | 71.2 | 64.7 | 53.6 | 42.1 | 34.4 | 52.8 |
| Highest Mean Temperature (F) | 40.5 | 44.3 | 48.9 | 57.3 | 64.6 | 72.0 | 76.2 | 74.4 | 68.6 | 58.9 | 47.8 | 40.4 | 76.2 |
| Year Highest Occurred | 2000 | 1996 | 1999 | 1989 | 2000 | 1974 | 1996 | 1995 | 1997 | 1988 | 1995 | 1977 | 1996 |
| Lowest Mean Temperature (F) | 25.7 | 34.3 | 38.9 | 44.5 | 53.6 | 63.7 | 70.0 | 68.2 | 61.4 | 47.8 | 36.5 | 28.2 | 25.7 |
| Year Lowest Occurred | 1992 | 1974 | 1973 | 1975 | 1971 | 1975 | 1987 | 1979 | 1985 | 1971 | 1979 | 1990 | 1992 |
| Mean Min. Temperature (F) | 19.6 | 22.9 | 27.7 | 32.7 | 39.9 | 47.6 | 56.2 | 55.1 | 47.6 | 36.0 | 26.1 | 19.8 | 35.9 |
| Highest Mean Min. Temperature (F) | 28.1 | 29.0 | 31.6 | 37.7 | 45.3 | 54.4 | 61.1 | 59.3 | 54.1 | 41.0 | 30.9 | 27.0 | 61.1 |
| Year Highest Occurred | 1993 | 1996 | 1978 | 1989 | 1997 | 2000 | 1996 | 1995 | 1997 | 2000 | 1978 | 1983 | 1996 |
| Lowest Mean Min. Temperature (F) | 11.7 | 15.8 | 21.8 | 27.3 | 33.6 | 42.4 | 52.2 | 49.7 | 42.0 | 29.8 | 19.8 | 12.9 | 11.7 |
| Year Lowest Occurred | 1971 | 1974 | 1977 | 1975 | 1971 | 1975 | 1987 | 1975 | 1973 | 1982 | 1976 | 1976 | 1971 |
| Mean Precipitation (in.) | 0.73 | 0.72 | 1.01 | 0.42 | 0.59 | 0.33 | 1.75 | 2.44 | 1.64 | 1.25 | 0.93 | 0.89 | 12.70 |
| Highest Precipitation (in.) | 2.34 | 2.33 | 2.41 | 2.05 | 3.65 | 1.44 | 5.61 | 6.21 | 5.25 | 4.83 | 3.90 | 2.95 | 6.21 |
| Year Highest Occurred | 1993 | 1980 | 1978 | 1988 | 1992 | 1988 | 1989 | 1992 | 1984 | 1972 | 1978 | 1992 | 1992 |
| Lowest Precipitation (in.) | 0.02 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.22 | 0.34 | 0.03 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1986 | 1984 | 1997 | 1996 | 2000 | 1998 | 1995 | 1996 | 1973 | 1999 | 1999 | 1996 | 1984 |
| Heating Degree Days (F) | 957. | 730. | 642. | 430. | 223. | 49. | 1. | 4. | 79. | 359. | 690. | 950. | 5114. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 2. | 23. | 123. | 251. | 194. | 69. | 4. | 0. | 0. | 666. |