| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 32.7 | 35.9 | 41.7 | 49.8 | 60.6 | 71.5 | 78.8 | 77.5 | 67.2 | 55.3 | 40.6 | 34.3 | 53.8 |
| Highest Mean Max. Temperature (F) | 42.5 | 45.1 | 48.5 | 61.1 | 69.4 | 82.8 | 86.4 | 84.4 | 74.9 | 59.7 | 56.1 | 42.8 | 86.4 |
| Year Highest Occurred | 1986 | 2000 | 1986 | 1987 | 1985 | 1988 | 1974 | 1983 | 1979 | 1999 | 1999 | 1979 | 1974 |
| Lowest Mean Max. Temperature (F) | 19.8 | 21.2 | 33.8 | 42.3 | 53.5 | 63.1 | 70.0 | 71.6 | 57.3 | 50.8 | 26.2 | 18.3 | 18.3 |
| Year Lowest Occurred | 1979 | 1989 | 1975 | 1983 | 1995 | 1998 | 1992 | 1977 | 1986 | 1984 | 1985 | 1983 | 1983 |
| Mean Temperature (F) | 24.4 | 27.4 | 32.6 | 40.4 | 50.7 | 61.2 | 68.5 | 67.6 | 57.9 | 46.3 | 32.8 | 26.3 | 44.7 |
| Highest Mean Temperature (F) | 34.8 | 36.4 | 39.6 | 49.3 | 58.8 | 71.8 | 73.1 | 74.4 | 65.0 | 50.5 | 46.9 | 34.1 | 74.4 |
| Year Highest Occurred | 1986 | 1992 | 1986 | 1987 | 1985 | 1988 | 1974 | 1983 | 1979 | 1974 | 1999 | 1979 | 1983 |
| Lowest Mean Temperature (F) | 11.2 | 12.4 | 25.4 | 34.2 | 45.4 | 54.3 | 59.9 | 62.3 | 50.4 | 41.9 | 18.5 | 11.5 | 11.2 |
| Year Lowest Occurred | 1979 | 1989 | 1996 | 1983 | 1995 | 1998 | 1992 | 1977 | 1986 | 1971 | 1985 | 1983 | 1979 |
| Mean Min. Temperature (F) | 16.1 | 18.8 | 23.4 | 30.9 | 40.8 | 50.9 | 58.1 | 57.7 | 48.5 | 37.3 | 25.0 | 18.3 | 35.5 |
| Highest Mean Min. Temperature (F) | 27.1 | 28.2 | 30.7 | 37.5 | 48.2 | 60.9 | 62.4 | 64.3 | 55.6 | 41.6 | 37.6 | 26.0 | 64.3 |
| Year Highest Occurred | 1986 | 1992 | 1986 | 1987 | 1985 | 1988 | 1989 | 1983 | 1998 | 1974 | 1999 | 1994 | 1983 |
| Lowest Mean Min. Temperature (F) | 2.6 | 3.6 | 16.7 | 26.1 | 37.0 | 45.4 | 49.9 | 52.1 | 42.1 | 31.6 | 10.8 | 4.7 | 2.6 |
| Year Lowest Occurred | 1979 | 1989 | 1996 | 1983 | 1979 | 1998 | 1992 | 1992 | 1984 | 1971 | 1985 | 1983 | 1979 |
| Mean Precipitation (in.) | 0.38 | 0.55 | 1.17 | 2.21 | 3.95 | 3.74 | 3.16 | 2.04 | 1.55 | 1.58 | 0.64 | 0.46 | 21.43 |
| Highest Precipitation (in.) | 1.40 | 1.43 | 3.79 | 5.95 | 10.25 | 10.09 | 8.37 | 5.92 | 5.97 | 5.46 | 2.10 | 1.50 | 10.25 |
| Year Highest Occurred | 1999 | 1987 | 1973 | 1971 | 1995 | 1999 | 1979 | 1996 | 1986 | 1994 | 1973 | 1996 | 1995 |
| Lowest Precipitation (in.) | 0.02 | 0.00 | 0.16 | 0.00 | 0.75 | 0.78 | 0.64 | 0.44 | 0.14 | 0.11 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1990 | 1985 | 1981 | 1987 | 1985 | 1987 | 1983 | 2000 | 1975 | 1976 | 1987 | 1991 | 1985 |
| Heating Degree Days (F) | 1259. | 1054. | 1005. | 740. | 449. | 176. | 58. | 63. | 259. | 580. | 965. | 1201. | 7809. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 6. | 62. | 165. | 143. | 44. | 0. | 0. | 0. | 420. |