| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 42.6 | 45.5 | 52.1 | 59.8 | 68.6 | 79.6 | 85.4 | 83.6 | 76.1 | 65.5 | 50.2 | 43.3 | 62.7 |
| Highest Mean Max. Temperature (F) | 54.5 | 52.3 | 59.5 | 67.2 | 75.4 | 86.2 | 88.9 | 88.5 | 82.6 | 70.1 | 63.2 | 54.2 | 88.9 |
| Year Highest Occurred | 1986 | 1991 | 1972 | 1992 | 1974 | 1971 | 2000 | 1995 | 1998 | 1975 | 1999 | 1980 | 2000 |
| Lowest Mean Max. Temperature (F) | 30.2 | 34.4 | 43.9 | 49.5 | 60.4 | 72.6 | 81.5 | 80.6 | 70.7 | 53.8 | 41.1 | 29.7 | 29.7 |
| Year Lowest Occurred | 1979 | 1989 | 1983 | 1983 | 1995 | 1983 | 1992 | 1997 | 1985 | 1984 | 2000 | 1983 | 1983 |
| Mean Temperature (F) | 30.2 | 33.2 | 38.9 | 45.9 | 54.6 | 64.8 | 70.9 | 69.4 | 61.7 | 50.9 | 37.5 | 30.9 | 49.1 |
| Highest Mean Temperature (F) | 40.9 | 40.0 | 45.4 | 52.9 | 59.1 | 70.2 | 74.3 | 74.2 | 68.2 | 54.7 | 47.1 | 40.6 | 74.3 |
| Year Highest Occurred | 1986 | 1991 | 1986 | 1992 | 1994 | 1994 | 2000 | 1995 | 1998 | 1975 | 1999 | 1980 | 2000 |
| Lowest Mean Temperature (F) | 17.9 | 23.4 | 34.1 | 38.1 | 49.3 | 59.7 | 66.8 | 66.0 | 56.1 | 42.9 | 27.5 | 18.0 | 17.9 |
| Year Lowest Occurred | 1979 | 1989 | 1983 | 1983 | 1983 | 1982 | 1973 | 1972 | 1971 | 1984 | 1972 | 1983 | 1979 |
| Mean Min. Temperature (F) | 17.8 | 20.9 | 25.7 | 31.9 | 40.6 | 49.9 | 56.3 | 55.2 | 47.3 | 36.3 | 24.7 | 18.4 | 35.4 |
| Highest Mean Min. Temperature (F) | 27.3 | 27.7 | 31.9 | 38.5 | 45.1 | 55.4 | 60.2 | 59.8 | 53.8 | 39.3 | 33.1 | 27.0 | 60.2 |
| Year Highest Occurred | 1986 | 1991 | 1986 | 1992 | 1994 | 1994 | 1998 | 1995 | 1998 | 1992 | 1998 | 1980 | 1998 |
| Lowest Mean Min. Temperature (F) | 5.6 | 11.7 | 19.1 | 24.4 | 35.4 | 44.3 | 50.3 | 50.6 | 39.5 | 28.8 | 11.7 | 4.7 | 4.7 |
| Year Lowest Occurred | 1979 | 1973 | 1977 | 1973 | 1971 | 1973 | 1973 | 1972 | 1971 | 1971 | 1972 | 1972 | 1972 |
| Mean Precipitation (in.) | 0.28 | 0.30 | 1.02 | 1.51 | 2.62 | 1.93 | 2.45 | 2.08 | 1.15 | 0.73 | 0.81 | 0.33 | 15.21 |
| Highest Precipitation (in.) | 1.40 | 1.06 | 3.97 | 2.83 | 6.62 | 3.91 | 5.68 | 4.87 | 4.42 | 2.91 | 2.74 | 1.74 | 6.62 |
| Year Highest Occurred | 1990 | 1971 | 1990 | 1999 | 1973 | 1972 | 1976 | 1997 | 1985 | 1984 | 1983 | 1982 | 1973 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.14 | 0.21 | 0.00 | 0.00 | 0.00 | 0.61 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1996 | 1996 | 1978 | 1982 | 1974 | 1980 | 1994 | 1978 | 1992 | 1988 | 1989 | 1995 | 1996 |
| Heating Degree Days (F) | 1079. | 891. | 809. | 575. | 332. | 90. | 9. | 17. | 156. | 439. | 826. | 1060. | 6283. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 10. | 83. | 190. | 153. | 57. | 1. | 0. | 0. | 494. |