| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 38.8 | 43.9 | 50.9 | 60.0 | 70.5 | 82.3 | 87.7 | 85.0 | 76.5 | 63.7 | 48.6 | 40.0 | 62.3 |
| Highest Mean Max. Temperature (F) | 47.6 | 53.4 | 59.3 | 67.8 | 77.7 | 88.2 | 91.4 | 89.3 | 81.0 | 71.1 | 58.8 | 48.9 | 91.4 |
| Year Highest Occurred | 1986 | 1995 | 1972 | 1989 | 1984 | 1994 | 1994 | 2000 | 1979 | 1988 | 1999 | 1980 | 1994 |
| Lowest Mean Max. Temperature (F) | 29.4 | 39.2 | 41.8 | 52.0 | 63.0 | 77.1 | 84.1 | 81.0 | 70.2 | 56.2 | 40.9 | 31.9 | 29.4 |
| Year Lowest Occurred | 1979 | 1979 | 1973 | 1975 | 1995 | 1995 | 1992 | 1999 | 1986 | 1984 | 1972 | 1978 | 1979 |
| Mean Temperature (F) | 28.3 | 33.3 | 39.5 | 47.0 | 56.6 | 67.2 | 73.1 | 71.0 | 63.1 | 51.1 | 37.7 | 29.6 | 49.8 |
| Highest Mean Temperature (F) | 36.3 | 41.8 | 45.5 | 54.2 | 62.3 | 73.3 | 77.0 | 75.0 | 66.8 | 57.6 | 45.7 | 37.2 | 77.0 |
| Year Highest Occurred | 1986 | 1995 | 1999 | 1992 | 2000 | 1994 | 1996 | 2000 | 1979 | 1988 | 1999 | 1980 | 1996 |
| Lowest Mean Temperature (F) | 20.2 | 28.1 | 32.5 | 39.4 | 51.1 | 62.6 | 70.5 | 68.6 | 58.2 | 44.9 | 31.4 | 21.5 | 20.2 |
| Year Lowest Occurred | 1979 | 1979 | 1973 | 1975 | 1995 | 1975 | 1983 | 1979 | 1986 | 1984 | 2000 | 1978 | 1979 |
| Mean Min. Temperature (F) | 17.8 | 22.6 | 28.0 | 33.9 | 42.6 | 52.0 | 58.4 | 56.9 | 49.6 | 38.4 | 26.8 | 19.1 | 37.2 |
| Highest Mean Min. Temperature (F) | 25.0 | 30.1 | 33.3 | 40.8 | 47.7 | 58.4 | 62.7 | 60.7 | 53.7 | 44.1 | 32.5 | 25.6 | 62.7 |
| Year Highest Occurred | 1986 | 1995 | 1989 | 1992 | 2000 | 1994 | 1996 | 2000 | 1990 | 1988 | 1999 | 1980 | 1996 |
| Lowest Mean Min. Temperature (F) | 8.4 | 16.1 | 18.7 | 26.7 | 37.4 | 46.5 | 55.0 | 53.7 | 45.6 | 32.2 | 20.4 | 11.2 | 8.4 |
| Year Lowest Occurred | 1973 | 1974 | 1977 | 1975 | 1977 | 1998 | 1983 | 1974 | 1971 | 1982 | 1979 | 1978 | 1973 |
| Mean Precipitation (in.) | 1.04 | 0.75 | 1.14 | 0.83 | 0.81 | 0.45 | 1.16 | 1.48 | 1.24 | 1.52 | 0.97 | 0.80 | 12.19 |
| Highest Precipitation (in.) | 2.76 | 2.83 | 3.23 | 2.25 | 3.02 | 1.59 | 3.12 | 4.81 | 4.40 | 8.02 | 2.66 | 2.95 | 8.02 |
| Year Highest Occurred | 1979 | 1980 | 1983 | 1999 | 1992 | 1983 | 1975 | 1984 | 1985 | 1972 | 1983 | 1992 | 1972 |
| Lowest Precipitation (in.) | 0.02 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.08 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1972 | 1972 | 1997 | 1989 | 1974 | 1989 | 1993 | 1985 | 1979 | 1999 | 1992 | 1989 | 1972 |
| Heating Degree Days (F) | 1138. | 889. | 792. | 543. | 285. | 63. | 2. | 8. | 105. | 437. | 820. | 1098. | 6180. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 1. | 21. | 127. | 251. | 194. | 47. | 4. | 0. | 0. | 645. |