| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 45.9 | 51.5 | 57.8 | 64.7 | 72.8 | 81.6 | 85.5 | 83.4 | 77.4 | 68.0 | 55.0 | 46.7 | 65.9 |
| Highest Mean Max. Temperature (F) | 54.5 | 61.4 | 69.0 | 74.0 | 81.7 | 89.1 | 93.0 | 88.8 | 84.5 | 72.3 | 66.2 | 58.2 | 93.0 |
| Year Highest Occurred | 1986 | 1999 | 1989 | 1989 | 1996 | 1990 | 1980 | 1995 | 1998 | 1975 | 1999 | 1980 | 1980 |
| Lowest Mean Max. Temperature (F) | 34.2 | 44.0 | 51.5 | 52.5 | 67.9 | 74.9 | 81.3 | 78.0 | 73.5 | 58.2 | 41.7 | 38.8 | 34.2 |
| Year Lowest Occurred | 1979 | 1983 | 1983 | 1973 | 1983 | 1989 | 1990 | 1981 | 1974 | 1984 | 1972 | 1983 | 1979 |
| Mean Temperature (F) | 28.9 | 33.5 | 40.3 | 47.0 | 55.8 | 64.3 | 69.0 | 67.4 | 60.9 | 50.2 | 38.1 | 30.1 | 48.8 |
| Highest Mean Temperature (F) | 35.8 | 39.9 | 47.1 | 53.8 | 62.1 | 68.5 | 74.0 | 71.4 | 65.7 | 52.8 | 45.2 | 39.5 | 74.0 |
| Year Highest Occurred | 1986 | 1995 | 1989 | 1981 | 1996 | 1981 | 1980 | 1982 | 1998 | 1988 | 1981 | 1980 | 1980 |
| Lowest Mean Temperature (F) | 20.6 | 28.8 | 34.8 | 38.4 | 51.4 | 60.6 | 66.8 | 64.5 | 57.3 | 45.1 | 27.5 | 22.7 | 20.6 |
| Year Lowest Occurred | 1979 | 1985 | 1984 | 1973 | 1983 | 1982 | 1990 | 1990 | 1971 | 1984 | 1972 | 1983 | 1979 |
| Mean Min. Temperature (F) | 11.9 | 15.4 | 22.7 | 29.3 | 38.7 | 46.9 | 52.4 | 51.3 | 44.3 | 32.4 | 21.2 | 13.4 | 31.7 |
| Highest Mean Min. Temperature (F) | 19.1 | 21.4 | 27.4 | 35.1 | 42.9 | 51.5 | 55.3 | 56.4 | 48.8 | 38.0 | 29.6 | 20.8 | 56.4 |
| Year Highest Occurred | 1999 | 2000 | 1981 | 1981 | 1994 | 1986 | 1989 | 1982 | 1997 | 1981 | 1981 | 1980 | 1982 |
| Lowest Mean Min. Temperature (F) | 6.5 | 6.1 | 17.5 | 24.1 | 34.9 | 42.7 | 49.7 | 47.3 | 39.2 | 28.5 | 13.3 | 6.5 | 6.1 |
| Year Lowest Occurred | 1984 | 1974 | 1984 | 1984 | 1983 | 1973 | 1995 | 1973 | 1971 | 1976 | 1972 | 1983 | 1974 |
| Mean Precipitation (in.) | 0.28 | 0.23 | 0.58 | 0.68 | 2.22 | 2.11 | 2.38 | 3.14 | 2.03 | 1.04 | 0.57 | 0.25 | 15.51 |
| Highest Precipitation (in.) | 1.66 | 1.70 | 2.50 | 2.70 | 6.15 | 4.44 | 5.42 | 8.51 | 4.77 | 4.06 | 2.39 | 0.90 | 8.51 |
| Year Highest Occurred | 1987 | 1987 | 2000 | 1999 | 1994 | 1986 | 1977 | 1981 | 1995 | 2000 | 1978 | 1974 | 1981 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.19 | 0.20 | 0.39 | 1.03 | 0.05 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1998 | 1999 | 1997 | 1974 | 1973 | 1990 | 1980 | 1983 | 1992 | 1995 | 1999 | 1999 | 1998 |
| Heating Degree Days (F) | 1120. | 883. | 768. | 541. | 294. | 84. | 10. | 36. | 152. | 459. | 807. | 1084. | 6238. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 6. | 61. | 133. | 108. | 28. | 0. | 0. | 0. | 336. |