| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 50.9 | 54.2 | 57.9 | 65.2 | 73.8 | 84.6 | 88.3 | 85.7 | 80.8 | 71.4 | 59.6 | 51.6 | 68.7 |
| Highest Mean Max. Temperature (F) | 59.5 | 61.0 | 69.0 | 74.6 | 82.6 | 90.4 | 91.4 | 90.0 | 86.2 | 78.3 | 69.2 | 59.3 | 91.4 |
| Year Highest Occurred | 1986 | 1991 | 1972 | 1989 | 1984 | 1974 | 1989 | 1995 | 1979 | 1988 | 1999 | 1980 | 1989 |
| Lowest Mean Max. Temperature (F) | 42.1 | 47.5 | 47.4 | 55.6 | 66.0 | 80.2 | 84.1 | 82.2 | 74.6 | 64.2 | 52.6 | 44.7 | 42.1 |
| Year Lowest Occurred | 1979 | 1998 | 1973 | 1975 | 1977 | 1991 | 1986 | 1971 | 1986 | 1971 | 2000 | 1971 | 1979 |
| Mean Temperature (F) | 37.1 | 39.9 | 43.8 | 50.2 | 58.3 | 67.9 | 73.4 | 71.4 | 65.5 | 55.3 | 44.1 | 37.5 | 53.7 |
| Highest Mean Temperature (F) | 43.1 | 46.1 | 51.2 | 57.6 | 65.4 | 72.7 | 76.3 | 75.9 | 69.1 | 61.0 | 51.2 | 43.6 | 76.3 |
| Year Highest Occurred | 1986 | 1995 | 1972 | 1989 | 1984 | 1994 | 1996 | 1995 | 1997 | 1988 | 1995 | 1980 | 1996 |
| Lowest Mean Temperature (F) | 30.7 | 35.3 | 36.8 | 42.8 | 51.5 | 63.0 | 70.3 | 67.8 | 60.6 | 49.4 | 39.1 | 31.6 | 30.7 |
| Year Lowest Occurred | 1979 | 1985 | 1973 | 1975 | 1980 | 1982 | 1982 | 1976 | 1986 | 1971 | 2000 | 1990 | 1979 |
| Mean Min. Temperature (F) | 23.3 | 25.6 | 29.7 | 35.2 | 42.8 | 51.2 | 58.5 | 57.0 | 50.1 | 39.1 | 28.5 | 23.3 | 38.7 |
| Highest Mean Min. Temperature (F) | 29.1 | 31.6 | 33.6 | 40.9 | 48.7 | 57.5 | 62.8 | 61.8 | 56.0 | 44.3 | 34.6 | 29.4 | 62.8 |
| Year Highest Occurred | 1980 | 1995 | 1986 | 1992 | 1997 | 2000 | 1996 | 1994 | 1997 | 1987 | 1995 | 1977 | 1996 |
| Lowest Mean Min. Temperature (F) | 19.3 | 19.7 | 23.1 | 30.0 | 36.9 | 44.4 | 54.7 | 51.6 | 45.3 | 32.7 | 24.4 | 17.0 | 17.0 |
| Year Lowest Occurred | 1979 | 1974 | 1977 | 1975 | 1980 | 1982 | 1982 | 1979 | 1973 | 1982 | 1979 | 1990 | 1990 |
| Mean Precipitation (in.) | 1.58 | 1.87 | 1.91 | 0.76 | 0.64 | 0.40 | 2.87 | 3.28 | 2.07 | 1.28 | 1.25 | 1.28 | 19.19 |
| Highest Precipitation (in.) | 5.91 | 6.59 | 6.35 | 2.85 | 2.35 | 2.46 | 5.75 | 10.51 | 10.02 | 7.82 | 5.97 | 4.37 | 10.51 |
| Year Highest Occurred | 1980 | 1980 | 1991 | 1988 | 1992 | 1972 | 1974 | 1971 | 1983 | 1972 | 1978 | 1982 | 1971 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.30 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1972 | 1984 | 1997 | 1993 | 2000 | 1998 | 1993 | 1996 | 2000 | 1999 | 1999 | 1999 | 1972 |
| Heating Degree Days (F) | 866. | 703. | 657. | 449. | 249. | 54. | 1. | 8. | 65. | 313. | 629. | 855. | 4849. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 5. | 42. | 141. | 260. | 205. | 78. | 11. | 0. | 0. | 742. |