| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 47.2 | 52.4 | 57.7 | 65.6 | 74.4 | 84.6 | 86.9 | 83.9 | 79.3 | 68.8 | 56.2 | 47.7 | 67.1 |
| Highest Mean Max. Temperature (F) | 57.4 | 57.5 | 67.5 | 73.6 | 81.7 | 91.8 | 91.9 | 86.5 | 84.2 | 75.0 | 64.9 | 55.5 | 91.9 |
| Year Highest Occurred | 1986 | 1999 | 1972 | 1989 | 2000 | 1974 | 1971 | 1998 | 1979 | 1979 | 1999 | 1977 | 1971 |
| Lowest Mean Max. Temperature (F) | 36.1 | 45.2 | 47.7 | 58.1 | 68.5 | 80.1 | 82.1 | 80.4 | 75.0 | 60.0 | 48.6 | 41.1 | 36.1 |
| Year Lowest Occurred | 1992 | 1998 | 1973 | 1975 | 1995 | 1991 | 1999 | 1999 | 1996 | 1984 | 2000 | 1978 | 1992 |
| Mean Temperature (F) | 35.1 | 39.4 | 44.6 | 51.2 | 59.6 | 68.9 | 73.2 | 70.8 | 65.4 | 54.5 | 43.1 | 35.4 | 53.4 |
| Highest Mean Temperature (F) | 41.6 | 44.1 | 51.1 | 58.2 | 65.0 | 74.5 | 76.0 | 73.6 | 68.7 | 58.6 | 48.6 | 42.7 | 76.0 |
| Year Highest Occurred | 1986 | 1996 | 1972 | 1989 | 1984 | 1974 | 1971 | 1995 | 1998 | 1988 | 1999 | 1977 | 1971 |
| Lowest Mean Temperature (F) | 26.3 | 35.4 | 39.7 | 45.3 | 55.1 | 65.4 | 70.3 | 67.6 | 62.0 | 48.8 | 36.6 | 29.8 | 26.3 |
| Year Lowest Occurred | 1992 | 1998 | 1973 | 1975 | 1995 | 1983 | 1987 | 1987 | 1985 | 1984 | 2000 | 1990 | 1992 |
| Mean Min. Temperature (F) | 22.9 | 26.4 | 31.4 | 36.7 | 44.7 | 53.2 | 59.4 | 57.7 | 51.4 | 40.1 | 29.9 | 23.0 | 39.7 |
| Highest Mean Min. Temperature (F) | 29.5 | 31.3 | 36.0 | 42.8 | 49.6 | 57.4 | 61.9 | 60.9 | 55.1 | 44.3 | 34.8 | 29.9 | 61.9 |
| Year Highest Occurred | 1980 | 1996 | 1978 | 1989 | 1989 | 1990 | 1972 | 1995 | 1983 | 1972 | 1978 | 1977 | 1972 |
| Lowest Mean Min. Temperature (F) | 16.4 | 20.4 | 27.0 | 32.2 | 40.2 | 48.7 | 56.3 | 54.7 | 47.6 | 32.8 | 24.5 | 18.0 | 16.4 |
| Year Lowest Occurred | 1992 | 1984 | 1976 | 1998 | 1975 | 1975 | 1987 | 1979 | 1987 | 1975 | 2000 | 1976 | 1992 |
| Mean Precipitation (in.) | 1.32 | 1.37 | 1.45 | 0.68 | 0.72 | 0.46 | 2.18 | 3.30 | 1.78 | 1.76 | 1.52 | 1.59 | 18.13 |
| Highest Precipitation (in.) | 5.25 | 5.08 | 3.62 | 2.15 | 5.34 | 2.25 | 5.69 | 9.03 | 3.95 | 6.91 | 6.75 | 6.21 | 9.03 |
| Year Highest Occurred | 1993 | 1980 | 1973 | 1999 | 1992 | 1972 | 1985 | 1988 | 1971 | 1972 | 1978 | 1971 | 1988 |
| Lowest Precipitation (in.) | 0.04 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.21 | 0.64 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1972 | 1984 | 1972 | 1989 | 2000 | 1998 | 1993 | 1973 | 1973 | 1999 | 1999 | 1996 | 1984 |
| Heating Degree Days (F) | 928. | 718. | 634. | 418. | 201. | 32. | 0. | 3. | 60. | 334. | 658. | 920. | 4906. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 3. | 31. | 149. | 254. | 182. | 71. | 7. | 0. | 0. | 697. |