| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 33.7 | 40.9 | 50.9 | 60.8 | 70.5 | 81.3 | 89.7 | 88.0 | 77.8 | 64.2 | 46.9 | 35.8 | 61.7 |
| Highest Mean Max. Temperature (F) | 43.5 | 51.8 | 59.8 | 71.2 | 79.3 | 89.0 | 95.5 | 93.9 | 86.6 | 72.7 | 58.0 | 44.2 | 95.5 |
| Year Highest Occurred | 1994 | 1995 | 1992 | 1992 | 1992 | 1974 | 1994 | 1994 | 1990 | 1988 | 1999 | 1995 | 1994 |
| Lowest Mean Max. Temperature (F) | 25.1 | 27.2 | 39.1 | 51.6 | 62.7 | 73.8 | 80.8 | 83.9 | 70.0 | 54.9 | 39.6 | 28.2 | 25.1 |
| Year Lowest Occurred | 1984 | 1985 | 1985 | 1975 | 1983 | 1984 | 1993 | 1984 | 1985 | 1984 | 2000 | 1985 | 1984 |
| Mean Temperature (F) | 24.7 | 30.6 | 40.1 | 48.0 | 56.9 | 65.9 | 73.2 | 71.6 | 62.0 | 49.6 | 36.5 | 26.6 | 48.8 |
| Highest Mean Temperature (F) | 33.6 | 40.0 | 46.7 | 55.6 | 63.5 | 71.1 | 76.6 | 76.5 | 70.7 | 56.4 | 43.9 | 34.2 | 76.6 |
| Year Highest Occurred | 1994 | 1995 | 1992 | 1992 | 1992 | 1977 | 1994 | 1994 | 1990 | 1988 | 1999 | 1995 | 1994 |
| Lowest Mean Temperature (F) | 14.4 | 14.2 | 29.8 | 41.6 | 51.5 | 60.9 | 65.6 | 66.9 | 56.7 | 43.6 | 30.2 | 18.1 | 14.2 |
| Year Lowest Occurred | 1985 | 1985 | 1985 | 1975 | 1983 | 1998 | 1993 | 1985 | 1985 | 1984 | 2000 | 1990 | 1985 |
| Mean Min. Temperature (F) | 15.7 | 20.3 | 29.3 | 35.1 | 43.3 | 50.4 | 56.6 | 55.2 | 46.2 | 35.0 | 26.0 | 17.3 | 35.9 |
| Highest Mean Min. Temperature (F) | 26.3 | 29.6 | 34.3 | 40.0 | 48.6 | 55.8 | 60.0 | 59.0 | 54.8 | 40.0 | 30.9 | 26.7 | 60.0 |
| Year Highest Occurred | 1990 | 1986 | 1986 | 1992 | 1987 | 1977 | 1975 | 2000 | 1990 | 1988 | 1998 | 1977 | 1975 |
| Lowest Mean Min. Temperature (F) | 3.1 | 1.2 | 20.4 | 30.5 | 38.5 | 46.8 | 50.3 | 49.6 | 42.0 | 31.4 | 18.7 | 6.5 | 1.2 |
| Year Lowest Occurred | 1985 | 1985 | 1985 | 1982 | 1975 | 1982 | 1993 | 1985 | 1971 | 1976 | 1993 | 1990 | 1985 |
| Mean Precipitation (in.) | 1.57 | 1.50 | 1.72 | 1.77 | 2.23 | 1.20 | 0.80 | 0.86 | 1.47 | 1.65 | 1.34 | 1.39 | 17.50 |
| Highest Precipitation (in.) | 3.37 | 3.49 | 4.25 | 6.08 | 5.96 | 3.78 | 2.67 | 4.43 | 6.28 | 4.35 | 3.80 | 4.36 | 6.28 |
| Year Highest Occurred | 1995 | 1976 | 1982 | 1986 | 1987 | 1998 | 1993 | 1983 | 1982 | 1981 | 1985 | 1983 | 1982 |
| Lowest Precipitation (in.) | 0.08 | 0.00 | 0.36 | 0.08 | 0.02 | 0.04 | 0.00 | 0.00 | 0.00 | 0.00 | 0.03 | 0.02 | 0.00 |
| Year Lowest Occurred | 1988 | 1988 | 1977 | 1992 | 1972 | 1996 | 1994 | 1985 | 1974 | 1988 | 1976 | 1976 | 1988 |
| Heating Degree Days (F) | 1250. | 963. | 772. | 513. | 270. | 87. | 12. | 13. | 151. | 479. | 857. | 1192. | 6559. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 1. | 19. | 113. | 263. | 218. | 60. | 2. | 0. | 0. | 676. |