| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 41.4 | 48.3 | 54.8 | 62.4 | 71.2 | 82.0 | 91.2 | 90.2 | 80.8 | 68.7 | 51.9 | 42.4 | 65.4 |
| Highest Mean Max. Temperature (F) | 50.4 | 57.3 | 62.0 | 71.7 | 81.4 | 89.4 | 95.2 | 96.1 | 87.5 | 78.4 | 62.0 | 49.5 | 96.1 |
| Year Highest Occurred | 1986 | 1991 | 1978 | 1987 | 1992 | 1974 | 1985 | 1971 | 1979 | 1988 | 1976 | 1980 | 1971 |
| Lowest Mean Max. Temperature (F) | 31.6 | 37.4 | 48.8 | 53.2 | 63.2 | 74.7 | 82.0 | 82.5 | 69.6 | 60.0 | 41.5 | 32.7 | 31.6 |
| Year Lowest Occurred | 1993 | 1993 | 1975 | 1975 | 1977 | 1995 | 1993 | 1976 | 1986 | 1971 | 1994 | 1990 | 1993 |
| Mean Temperature (F) | 30.0 | 35.8 | 41.2 | 47.3 | 55.1 | 63.9 | 71.4 | 69.9 | 60.8 | 50.5 | 37.9 | 30.3 | 49.5 |
| Highest Mean Temperature (F) | 38.6 | 41.4 | 47.4 | 53.2 | 61.8 | 70.7 | 76.2 | 75.0 | 65.4 | 59.7 | 43.5 | 38.6 | 76.2 |
| Year Highest Occurred | 1986 | 1995 | 1978 | 1987 | 1992 | 1977 | 1988 | 1971 | 1979 | 1988 | 1976 | 1981 | 1988 |
| Lowest Mean Temperature (F) | 19.8 | 25.3 | 37.0 | 40.9 | 50.0 | 58.7 | 62.4 | 64.0 | 54.5 | 45.6 | 27.7 | 17.7 | 17.7 |
| Year Lowest Occurred | 1993 | 1993 | 1977 | 1975 | 1977 | 1995 | 1993 | 1993 | 1986 | 1971 | 1993 | 1990 | 1990 |
| Mean Min. Temperature (F) | 18.6 | 23.3 | 27.6 | 32.1 | 39.0 | 45.8 | 51.5 | 49.6 | 40.8 | 32.3 | 23.9 | 18.1 | 33.6 |
| Highest Mean Min. Temperature (F) | 27.4 | 29.5 | 32.9 | 36.5 | 43.0 | 53.9 | 57.4 | 55.5 | 46.2 | 40.9 | 31.1 | 28.7 | 57.4 |
| Year Highest Occurred | 1995 | 1986 | 1993 | 1990 | 1973 | 1977 | 1988 | 1986 | 1981 | 1988 | 1981 | 1981 | 1988 |
| Lowest Mean Min. Temperature (F) | 8.0 | 13.2 | 22.0 | 28.2 | 36.2 | 41.7 | 42.9 | 41.7 | 34.4 | 24.3 | 10.1 | 2.6 | 2.6 |
| Year Lowest Occurred | 1993 | 1993 | 1985 | 1999 | 1996 | 1999 | 1993 | 1995 | 1996 | 1995 | 1993 | 1990 | 1990 |
| Mean Precipitation (in.) | 0.93 | 0.81 | 1.20 | 1.29 | 1.16 | 0.88 | 0.31 | 0.52 | 0.72 | 0.83 | 0.95 | 0.84 | 10.44 |
| Highest Precipitation (in.) | 2.41 | 2.63 | 2.43 | 3.33 | 3.35 | 2.49 | 1.31 | 3.78 | 2.44 | 2.71 | 2.55 | 4.05 | 4.05 |
| Year Highest Occurred | 1995 | 1986 | 1989 | 1983 | 1998 | 1977 | 1976 | 1976 | 1998 | 1975 | 1985 | 1983 | 1983 |
| Lowest Precipitation (in.) | 0.06 | 0.10 | 0.00 | 0.12 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.13 | 0.05 | 0.00 |
| Year Lowest Occurred | 1989 | 1988 | 1994 | 1977 | 1974 | 1986 | 2000 | 1998 | 1993 | 1988 | 2000 | 1976 | 1994 |
| Heating Degree Days (F) | 1084. | 819. | 738. | 532. | 318. | 123. | 32. | 34. | 174. | 453. | 813. | 1077. | 6197. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 11. | 89. | 228. | 185. | 47. | 5. | 0. | 0. | 565. |