| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 38.8 | 47.4 | 57.2 | 65.1 | 75.2 | 87.1 | 91.5 | 89.3 | 81.2 | 69.1 | 52.5 | 41.4 | 66.3 |
| Highest Mean Max. Temperature (F) | 50.9 | 57.4 | 66.3 | 72.9 | 82.2 | 92.1 | 95.2 | 92.1 | 87.6 | 74.1 | 60.2 | 51.9 | 95.2 |
| Year Highest Occurred | 1981 | 1995 | 1972 | 1981 | 1974 | 1990 | 1989 | 1996 | 1979 | 1992 | 1999 | 1980 | 1989 |
| Lowest Mean Max. Temperature (F) | 26.3 | 35.8 | 51.5 | 57.5 | 68.4 | 81.5 | 87.1 | 80.6 | 75.5 | 60.5 | 45.1 | 32.1 | 26.3 |
| Year Lowest Occurred | 1991 | 1974 | 1980 | 1983 | 1995 | 1983 | 1993 | 1993 | 1993 | 1984 | 2000 | 1991 | 1991 |
| Mean Temperature (F) | 25.7 | 33.0 | 42.1 | 49.2 | 58.6 | 68.1 | 73.2 | 71.2 | 62.9 | 51.5 | 38.0 | 28.1 | 50.1 |
| Highest Mean Temperature (F) | 34.0 | 41.5 | 47.0 | 55.8 | 63.1 | 72.7 | 76.2 | 74.8 | 66.6 | 55.1 | 42.3 | 37.5 | 76.2 |
| Year Highest Occurred | 1998 | 1995 | 1999 | 1992 | 1996 | 1994 | 1998 | 1983 | 1998 | 1992 | 1995 | 1980 | 1998 |
| Lowest Mean Temperature (F) | 13.4 | 18.5 | 36.6 | 44.5 | 54.7 | 64.3 | 69.1 | 65.1 | 57.1 | 45.6 | 31.9 | 19.6 | 13.4 |
| Year Lowest Occurred | 1991 | 1974 | 1977 | 1975 | 1975 | 1975 | 1993 | 1993 | 1993 | 1993 | 1979 | 1990 | 1991 |
| Mean Min. Temperature (F) | 12.6 | 18.5 | 26.9 | 33.3 | 42.0 | 49.1 | 54.8 | 53.1 | 44.5 | 33.9 | 23.5 | 14.7 | 33.9 |
| Highest Mean Min. Temperature (F) | 23.1 | 27.4 | 32.5 | 39.3 | 47.1 | 53.4 | 59.2 | 58.5 | 50.3 | 40.7 | 29.7 | 23.0 | 59.2 |
| Year Highest Occurred | 1993 | 1993 | 1978 | 1992 | 1992 | 1994 | 1998 | 1983 | 1997 | 1972 | 1985 | 1980 | 1998 |
| Lowest Mean Min. Temperature (F) | 0.5 | 1.1 | 18.6 | 27.1 | 36.7 | 44.6 | 50.0 | 45.5 | 38.4 | 26.4 | 15.8 | 6.0 | 0.5 |
| Year Lowest Occurred | 1991 | 1974 | 1971 | 1971 | 1972 | 1989 | 1989 | 1989 | 1971 | 1975 | 1993 | 1978 | 1991 |
| Mean Precipitation (in.) | 0.37 | 0.39 | 0.66 | 0.53 | 0.69 | 0.40 | 0.72 | 0.79 | 0.90 | 1.07 | 0.67 | 0.42 | 7.61 |
| Highest Precipitation (in.) | 1.36 | 1.23 | 1.67 | 1.80 | 1.99 | 2.00 | 2.50 | 1.91 | 2.63 | 2.82 | 2.03 | 2.03 | 2.82 |
| Year Highest Occurred | 1993 | 1996 | 1983 | 1999 | 1995 | 1995 | 1998 | 1997 | 1986 | 1972 | 1986 | 1971 | 1972 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.02 | 0.00 | 0.00 | 0.00 | 0.03 | 0.04 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1999 | 1991 | 1977 | 1984 | 1974 | 1971 | 1994 | 1996 | 1979 | 1995 | 1976 | 1989 | 1999 |
| Heating Degree Days (F) | 1219. | 897. | 712. | 474. | 212. | 35. | 1. | 16. | 116. | 419. | 811. | 1146. | 6058. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 14. | 128. | 253. | 209. | 52. | 1. | 0. | 0. | 657. |