| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 57.5 | 62.5 | 67.5 | 75.0 | 83.9 | 94.7 | 100.3 | 98.8 | 91.8 | 80.3 | 66.5 | 57.9 | 78.1 |
| Highest Mean Max. Temperature (F) | 65.8 | 70.8 | 77.3 | 84.1 | 92.0 | 100.3 | 104.0 | 103.0 | 98.7 | 88.8 | 75.9 | 64.2 | 104.0 |
| Year Highest Occurred | 1986 | 1995 | 1972 | 1989 | 1997 | 1974 | 1996 | 1996 | 1979 | 1988 | 1995 | 1980 | 1996 |
| Lowest Mean Max. Temperature (F) | 47.3 | 55.8 | 58.3 | 62.8 | 74.0 | 88.9 | 95.7 | 93.0 | 84.5 | 72.5 | 60.2 | 50.1 | 47.3 |
| Year Lowest Occurred | 1979 | 1998 | 1973 | 1983 | 1977 | 1998 | 1987 | 1983 | 1986 | 1972 | 1994 | 1971 | 1979 |
| Mean Temperature (F) | 42.6 | 47.4 | 52.7 | 59.3 | 68.0 | 77.6 | 83.8 | 82.0 | 74.3 | 62.3 | 49.9 | 42.2 | 61.8 |
| Highest Mean Temperature (F) | 48.4 | 52.4 | 58.2 | 65.7 | 75.7 | 82.4 | 86.5 | 86.2 | 79.3 | 67.9 | 56.0 | 46.8 | 86.5 |
| Year Highest Occurred | 1986 | 1995 | 1972 | 1989 | 1997 | 2000 | 1996 | 1998 | 1974 | 1988 | 1999 | 1981 | 1996 |
| Lowest Mean Temperature (F) | 37.0 | 42.8 | 46.2 | 49.8 | 61.3 | 72.4 | 79.5 | 78.0 | 69.2 | 57.7 | 42.6 | 35.2 | 35.2 |
| Year Lowest Occurred | 1979 | 1994 | 1991 | 1983 | 1977 | 1995 | 1987 | 1976 | 1986 | 1971 | 1994 | 1990 | 1990 |
| Mean Min. Temperature (F) | 27.7 | 32.3 | 37.9 | 43.6 | 52.0 | 60.4 | 67.2 | 65.2 | 56.7 | 44.3 | 33.3 | 26.4 | 45.6 |
| Highest Mean Min. Temperature (F) | 34.4 | 37.6 | 43.0 | 49.2 | 59.3 | 66.8 | 71.4 | 71.2 | 63.3 | 50.0 | 38.9 | 33.9 | 71.4 |
| Year Highest Occurred | 1980 | 1980 | 1974 | 2000 | 1997 | 2000 | 1984 | 1971 | 1997 | 1987 | 1999 | 1996 | 1984 |
| Lowest Mean Min. Temperature (F) | 20.7 | 27.1 | 32.4 | 36.7 | 46.3 | 54.4 | 61.7 | 60.5 | 50.6 | 39.9 | 24.9 | 15.5 | 15.5 |
| Year Lowest Occurred | 1989 | 1990 | 1977 | 1983 | 1991 | 1995 | 1991 | 1976 | 1993 | 1995 | 1994 | 1990 | 1990 |
| Mean Precipitation (in.) | 0.73 | 0.83 | 0.82 | 0.31 | 0.29 | 0.09 | 0.39 | 0.40 | 0.31 | 0.19 | 0.36 | 0.46 | 5.18 |
| Highest Precipitation (in.) | 3.87 | 3.32 | 2.94 | 2.34 | 1.42 | 0.46 | 3.10 | 3.11 | 1.82 | 0.77 | 2.08 | 1.86 | 3.87 |
| Year Highest Occurred | 1995 | 1998 | 1992 | 1988 | 1977 | 1993 | 1990 | 1984 | 1997 | 1974 | 1984 | 1984 | 1995 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1984 | 1977 | 1997 | 1996 | 2000 | 1994 | 2000 | 1997 | 1996 | 1999 | 2000 | 1999 | 1984 |
| Heating Degree Days (F) | 696. | 492. | 387. | 216. | 83. | 4. | 0. | 0. | 10. | 141. | 453. | 709. | 3191. |
| Cooling Degree Days (F) | 0. | 0. | 6. | 45. | 176. | 379. | 582. | 527. | 287. | 58. | 1. | 0. | 2061. |