| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 57.2 | 62.6 | 69.8 | 76.8 | 85.9 | 95.6 | 95.0 | 92.1 | 87.1 | 78.2 | 66.8 | 57.1 | 77.0 |
| Highest Mean Max. Temperature (F) | 62.9 | 68.2 | 80.2 | 83.7 | 93.4 | 102.7 | 100.6 | 97.6 | 93.0 | 86.6 | 75.1 | 66.6 | 102.7 |
| Year Highest Occurred | 2000 | 1999 | 1989 | 1989 | 1996 | 1980 | 1980 | 1994 | 1983 | 1979 | 1999 | 1981 | 1980 |
| Lowest Mean Max. Temperature (F) | 50.8 | 55.3 | 62.2 | 68.7 | 82.1 | 91.2 | 90.3 | 87.7 | 82.0 | 69.8 | 59.4 | 51.6 | 50.8 |
| Year Lowest Occurred | 1985 | 1973 | 1973 | 1983 | 1992 | 1972 | 1976 | 1974 | 1974 | 1984 | 1972 | 1974 | 1985 |
| Mean Temperature (F) | 40.1 | 43.7 | 49.8 | 56.2 | 65.2 | 75.0 | 78.0 | 75.9 | 70.0 | 59.9 | 48.0 | 39.9 | 58.5 |
| Highest Mean Temperature (F) | 43.7 | 48.8 | 57.4 | 63.1 | 71.2 | 81.9 | 81.6 | 80.2 | 75.0 | 63.9 | 52.6 | 46.3 | 81.9 |
| Year Highest Occurred | 2000 | 1996 | 1989 | 1989 | 1996 | 1990 | 1980 | 1994 | 1983 | 1987 | 1999 | 1981 | 1990 |
| Lowest Mean Temperature (F) | 35.9 | 39.2 | 44.5 | 49.6 | 60.4 | 71.1 | 74.6 | 72.0 | 67.2 | 54.1 | 42.6 | 35.8 | 35.8 |
| Year Lowest Occurred | 1973 | 1974 | 1977 | 1973 | 1975 | 1973 | 1976 | 1974 | 1975 | 1976 | 1976 | 1976 | 1976 |
| Mean Min. Temperature (F) | 22.9 | 24.8 | 29.8 | 35.6 | 44.5 | 54.4 | 61.0 | 59.6 | 52.9 | 41.6 | 29.2 | 22.7 | 39.9 |
| Highest Mean Min. Temperature (F) | 30.1 | 29.9 | 34.5 | 42.5 | 49.5 | 62.3 | 63.8 | 63.8 | 58.4 | 46.4 | 35.5 | 28.1 | 63.8 |
| Year Highest Occurred | 1993 | 1996 | 1989 | 1989 | 1994 | 1990 | 1998 | 1982 | 1997 | 1972 | 1983 | 1991 | 1998 |
| Lowest Mean Min. Temperature (F) | 18.4 | 18.0 | 24.7 | 29.5 | 38.7 | 49.2 | 57.2 | 54.9 | 47.6 | 36.0 | 24.3 | 17.1 | 17.1 |
| Year Lowest Occurred | 1990 | 1974 | 1977 | 1975 | 1975 | 1973 | 1987 | 1973 | 1988 | 1976 | 1979 | 1976 | 1976 |
| Mean Precipitation (in.) | 0.49 | 0.51 | 0.22 | 0.10 | 0.31 | 0.68 | 2.26 | 2.34 | 1.55 | 1.23 | 0.43 | 0.88 | 11.00 |
| Highest Precipitation (in.) | 1.29 | 1.90 | 1.00 | 0.65 | 1.33 | 2.54 | 4.42 | 5.71 | 4.73 | 3.95 | 2.35 | 3.65 | 5.71 |
| Year Highest Occurred | 1979 | 1973 | 1992 | 1992 | 1992 | 2000 | 1986 | 1972 | 1975 | 1984 | 1986 | 1986 | 1972 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.24 | 0.20 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1986 | 1999 | 1996 | 2000 | 1996 | 1990 | 1980 | 1976 | 1973 | 1982 | 1999 | 1981 | 1986 |
| Heating Degree Days (F) | 773. | 597. | 472. | 280. | 91. | 6. | 0. | 0. | 20. | 183. | 511. | 778. | 3711. |
| Cooling Degree Days (F) | 0. | 0. | 1. | 15. | 96. | 305. | 402. | 337. | 170. | 26. | 0. | 0. | 1352. |