| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 47.2 | 50.8 | 55.8 | 63.4 | 71.9 | 82.0 | 83.9 | 81.0 | 76.3 | 66.6 | 54.8 | 47.4 | 65.1 |
| Highest Mean Max. Temperature (F) | 55.0 | 56.7 | 65.8 | 70.3 | 79.9 | 88.3 | 86.9 | 83.3 | 81.5 | 73.2 | 63.5 | 54.9 | 88.3 |
| Year Highest Occurred | 1986 | 2000 | 1972 | 2000 | 1984 | 1974 | 1980 | 1998 | 1983 | 1999 | 1999 | 1977 | 1974 |
| Lowest Mean Max. Temperature (F) | 40.6 | 44.4 | 45.2 | 53.4 | 66.5 | 77.1 | 80.8 | 76.4 | 71.4 | 57.2 | 48.9 | 41.7 | 40.6 |
| Year Lowest Occurred | 1979 | 1998 | 1973 | 1983 | 1995 | 1991 | 1986 | 1971 | 1985 | 1984 | 2000 | 1992 | 1979 |
| Mean Temperature (F) | 32.7 | 35.7 | 40.4 | 46.3 | 54.1 | 63.0 | 68.3 | 66.4 | 60.6 | 50.2 | 39.4 | 32.9 | 49.2 |
| Highest Mean Temperature (F) | 38.3 | 40.3 | 45.0 | 52.1 | 60.1 | 68.5 | 70.5 | 69.0 | 65.4 | 54.5 | 44.5 | 39.0 | 70.5 |
| Year Highest Occurred | 1986 | 1995 | 1972 | 1989 | 2000 | 1974 | 1989 | 1994 | 1983 | 1988 | 1995 | 1977 | 1989 |
| Lowest Mean Temperature (F) | 28.3 | 31.7 | 34.4 | 39.4 | 49.6 | 58.6 | 65.3 | 64.1 | 57.1 | 44.5 | 34.7 | 27.8 | 27.8 |
| Year Lowest Occurred | 1979 | 1985 | 1973 | 1983 | 1975 | 1991 | 1987 | 1979 | 1985 | 1984 | 2000 | 1978 | 1978 |
| Mean Min. Temperature (F) | 18.1 | 20.6 | 25.0 | 29.1 | 36.3 | 44.0 | 52.6 | 51.8 | 44.9 | 33.7 | 23.9 | 18.3 | 33.2 |
| Highest Mean Min. Temperature (F) | 24.6 | 27.1 | 28.4 | 33.9 | 41.7 | 52.7 | 56.0 | 55.1 | 49.3 | 38.2 | 28.0 | 24.2 | 56.0 |
| Year Highest Occurred | 1980 | 1995 | 1986 | 1989 | 1992 | 2000 | 1990 | 1994 | 1990 | 1972 | 1986 | 1983 | 1990 |
| Lowest Mean Min. Temperature (F) | 14.1 | 14.3 | 20.5 | 24.6 | 30.4 | 38.5 | 48.1 | 47.3 | 38.3 | 27.5 | 19.3 | 13.6 | 13.6 |
| Year Lowest Occurred | 1975 | 1984 | 1977 | 1998 | 1975 | 1982 | 1987 | 1979 | 1973 | 1982 | 1975 | 1978 | 1978 |
| Mean Precipitation (in.) | 1.50 | 1.55 | 1.70 | 0.60 | 0.74 | 0.48 | 2.70 | 3.23 | 2.01 | 1.64 | 1.48 | 1.54 | 19.17 |
| Highest Precipitation (in.) | 5.04 | 3.94 | 4.26 | 2.28 | 4.07 | 2.92 | 5.27 | 6.93 | 5.31 | 7.42 | 4.96 | 4.66 | 7.42 |
| Year Highest Occurred | 1997 | 1973 | 1978 | 1999 | 1992 | 2000 | 1988 | 1999 | 1983 | 1972 | 1978 | 1992 | 1972 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.21 | 0.81 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1998 | 1984 | 1997 | 1993 | 2000 | 1998 | 1993 | 1976 | 1973 | 1999 | 1999 | 1999 | 1998 |
| Heating Degree Days (F) | 1004. | 821. | 763. | 563. | 344. | 119. | 9. | 29. | 154. | 462. | 769. | 998. | 6035. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 6. | 59. | 109. | 73. | 21. | 1. | 0. | 0. | 269. |