| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 40.6 | 45.6 | 53.0 | 61.5 | 71.5 | 83.1 | 91.2 | 89.2 | 79.1 | 66.5 | 50.7 | 41.6 | 64.5 |
| Highest Mean Max. Temperature (F) | 47.0 | 55.1 | 60.5 | 70.3 | 77.0 | 90.4 | 95.6 | 92.7 | 85.6 | 74.4 | 63.4 | 49.4 | 95.6 |
| Year Highest Occurred | 1986 | 1995 | 1972 | 1992 | 1997 | 1994 | 1994 | 1996 | 1979 | 1988 | 1999 | 1980 | 1994 |
| Lowest Mean Max. Temperature (F) | 30.8 | 37.4 | 47.0 | 53.2 | 63.6 | 74.0 | 84.8 | 85.6 | 71.9 | 57.2 | 42.5 | 34.5 | 30.8 |
| Year Lowest Occurred | 1984 | 1989 | 1973 | 1975 | 1995 | 1998 | 1993 | 1993 | 1986 | 1984 | 1994 | 1990 | 1984 |
| Mean Temperature (F) | 26.7 | 31.5 | 38.8 | 45.5 | 54.3 | 64.4 | 72.1 | 70.6 | 60.8 | 49.3 | 36.0 | 27.3 | 48.1 |
| Highest Mean Temperature (F) | 34.8 | 39.5 | 44.4 | 52.1 | 59.2 | 70.0 | 76.0 | 73.9 | 66.2 | 56.2 | 43.7 | 33.3 | 76.0 |
| Year Highest Occurred | 1998 | 1995 | 1986 | 1990 | 1992 | 1994 | 1988 | 1982 | 1990 | 1988 | 1999 | 1980 | 1988 |
| Lowest Mean Temperature (F) | 17.1 | 23.0 | 32.2 | 39.2 | 49.4 | 57.5 | 66.1 | 66.7 | 55.7 | 43.4 | 29.2 | 19.4 | 17.1 |
| Year Lowest Occurred | 1979 | 1984 | 1976 | 1975 | 1995 | 1998 | 1993 | 1993 | 1971 | 1984 | 2000 | 1990 | 1979 |
| Mean Min. Temperature (F) | 12.7 | 17.4 | 24.5 | 29.5 | 37.0 | 45.7 | 53.0 | 52.0 | 42.5 | 32.0 | 21.3 | 13.0 | 31.7 |
| Highest Mean Min. Temperature (F) | 22.7 | 26.3 | 29.9 | 35.8 | 41.7 | 51.4 | 57.3 | 56.4 | 48.0 | 37.9 | 26.0 | 19.5 | 57.3 |
| Year Highest Occurred | 1998 | 1992 | 1989 | 1990 | 1987 | 1988 | 1988 | 1982 | 1990 | 1988 | 1997 | 1995 | 1988 |
| Lowest Mean Min. Temperature (F) | 2.2 | 7.9 | 15.2 | 25.2 | 32.4 | 41.0 | 47.3 | 46.7 | 37.4 | 26.9 | 15.3 | 4.3 | 2.2 |
| Year Lowest Occurred | 1979 | 1984 | 1976 | 1975 | 1975 | 1998 | 1993 | 1976 | 1973 | 1976 | 1979 | 1990 | 1979 |
| Mean Precipitation (in.) | 0.75 | 0.86 | 1.09 | 0.86 | 1.21 | 0.71 | 0.84 | 0.88 | 0.92 | 1.13 | 0.90 | 0.62 | 10.77 |
| Highest Precipitation (in.) | 2.68 | 2.19 | 2.62 | 1.97 | 3.34 | 2.76 | 2.95 | 3.52 | 5.35 | 2.90 | 2.48 | 2.13 | 5.35 |
| Year Highest Occurred | 1993 | 1996 | 1986 | 1995 | 1995 | 1997 | 1985 | 1983 | 1982 | 1981 | 1973 | 1983 | 1982 |
| Lowest Precipitation (in.) | 0.08 | 0.00 | 0.07 | 0.06 | 0.04 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.00 | 0.00 |
| Year Lowest Occurred | 1989 | 1988 | 1972 | 1977 | 1972 | 1994 | 2000 | 1985 | 1979 | 1999 | 1999 | 1976 | 1988 |
| Heating Degree Days (F) | 1190. | 939. | 813. | 586. | 343. | 113. | 8. | 14. | 162. | 490. | 870. | 1169. | 6697. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 9. | 94. | 227. | 186. | 36. | 1. | 0. | 0. | 553. |