| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 46.2 | 52.2 | 58.3 | 65.4 | 72.8 | 82.4 | 90.2 | 89.2 | 81.7 | 70.9 | 55.9 | 47.6 | 67.7 |
| Highest Mean Max. Temperature (F) | 53.7 | 61.3 | 67.0 | 73.7 | 81.4 | 88.1 | 94.2 | 93.3 | 87.9 | 78.7 | 65.8 | 53.3 | 94.2 |
| Year Highest Occurred | 1986 | 1995 | 1972 | 1987 | 1992 | 1974 | 1994 | 1981 | 1974 | 1988 | 1995 | 1980 | 1994 |
| Lowest Mean Max. Temperature (F) | 36.7 | 43.0 | 50.8 | 56.2 | 63.4 | 76.8 | 85.8 | 82.4 | 72.3 | 62.7 | 44.6 | 39.6 | 36.7 |
| Year Lowest Occurred | 1993 | 1989 | 1991 | 1975 | 1977 | 1998 | 1987 | 1976 | 1986 | 1984 | 1994 | 1990 | 1993 |
| Mean Temperature (F) | 34.1 | 38.8 | 44.4 | 49.8 | 57.1 | 65.1 | 71.1 | 70.1 | 62.9 | 52.6 | 41.8 | 34.7 | 51.9 |
| Highest Mean Temperature (F) | 40.8 | 44.6 | 49.7 | 55.8 | 63.4 | 69.6 | 74.5 | 74.4 | 66.2 | 57.5 | 48.5 | 40.5 | 74.5 |
| Year Highest Occurred | 1986 | 1995 | 1972 | 1990 | 1992 | 1977 | 1988 | 1971 | 1979 | 1988 | 1995 | 1981 | 1988 |
| Lowest Mean Temperature (F) | 27.0 | 30.4 | 39.9 | 42.6 | 50.2 | 61.1 | 66.7 | 65.2 | 56.4 | 47.1 | 35.0 | 25.0 | 25.0 |
| Year Lowest Occurred | 1993 | 1989 | 1985 | 1975 | 1977 | 1993 | 1983 | 1976 | 1986 | 1984 | 1994 | 1990 | 1990 |
| Mean Min. Temperature (F) | 21.9 | 25.3 | 30.5 | 34.1 | 41.3 | 47.7 | 52.0 | 50.9 | 44.0 | 34.2 | 27.6 | 21.8 | 35.9 |
| Highest Mean Min. Temperature (F) | 30.4 | 31.0 | 36.0 | 39.6 | 45.4 | 51.8 | 55.9 | 55.5 | 49.8 | 38.2 | 32.6 | 29.8 | 55.9 |
| Year Highest Occurred | 1995 | 2000 | 1993 | 1990 | 1992 | 1977 | 1996 | 1971 | 1998 | 1992 | 1988 | 1983 | 1996 |
| Lowest Mean Min. Temperature (F) | 16.3 | 16.8 | 25.2 | 29.0 | 37.0 | 44.1 | 47.2 | 47.8 | 40.6 | 28.8 | 23.3 | 10.4 | 10.4 |
| Year Lowest Occurred | 1972 | 1990 | 1977 | 1975 | 1977 | 1991 | 1983 | 1985 | 1986 | 2000 | 1993 | 1990 | 1990 |
| Mean Precipitation (in.) | 1.12 | 1.02 | 1.09 | 0.29 | 0.52 | 0.41 | 0.21 | 0.29 | 0.49 | 0.44 | 0.86 | 0.66 | 7.40 |
| Highest Precipitation (in.) | 3.36 | 3.50 | 3.00 | 0.99 | 1.77 | 1.79 | 0.71 | 1.23 | 2.77 | 1.27 | 2.50 | 2.77 | 3.50 |
| Year Highest Occurred | 1995 | 1986 | 1995 | 1998 | 1995 | 1997 | 1996 | 1976 | 1998 | 1982 | 1988 | 1996 | 1986 |
| Lowest Precipitation (in.) | 0.07 | 0.03 | 0.00 | 0.00 | 0.02 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1994 | 1988 | 1997 | 1993 | 1985 | 1994 | 2000 | 1998 | 2000 | 1995 | 1999 | 2000 | 1997 |
| Heating Degree Days (F) | 960. | 736. | 639. | 459. | 263. | 85. | 10. | 13. | 116. | 391. | 698. | 940. | 5310. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 2. | 17. | 87. | 201. | 169. | 50. | 5. | 0. | 0. | 531. |