| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 61.0 | 66.0 | 71.4 | 79.7 | 88.6 | 98.1 | 103.6 | 101.8 | 94.7 | 83.8 | 69.4 | 61.5 | 81.6 |
| Highest Mean Max. Temperature (F) | 69.1 | 77.4 | 81.4 | 91.0 | 94.8 | 103.2 | 109.6 | 107.1 | 100.9 | 92.4 | 78.9 | 71.2 | 109.6 |
| Year Highest Occurred | 1986 | 1991 | 1972 | 1989 | 1984 | 1994 | 1988 | 1994 | 1995 | 1988 | 1989 | 1989 | 1988 |
| Lowest Mean Max. Temperature (F) | 50.3 | 56.3 | 63.4 | 69.8 | 78.7 | 90.2 | 97.7 | 94.4 | 87.0 | 76.8 | 60.7 | 53.3 | 50.3 |
| Year Lowest Occurred | 1979 | 1998 | 1973 | 1975 | 1998 | 1998 | 1987 | 1983 | 1985 | 1981 | 1985 | 1984 | 1979 |
| Mean Temperature (F) | 46.1 | 50.7 | 55.6 | 62.6 | 71.3 | 80.6 | 86.1 | 84.6 | 77.1 | 65.9 | 52.9 | 45.9 | 65.0 |
| Highest Mean Temperature (F) | 51.6 | 58.4 | 62.4 | 72.4 | 78.0 | 84.9 | 89.8 | 89.3 | 81.0 | 73.3 | 59.5 | 51.3 | 89.8 |
| Year Highest Occurred | 1986 | 1995 | 1994 | 1989 | 1984 | 1994 | 1996 | 1994 | 1995 | 1988 | 1995 | 1989 | 1996 |
| Lowest Mean Temperature (F) | 40.5 | 45.8 | 50.3 | 54.3 | 64.2 | 74.2 | 80.9 | 80.0 | 69.9 | 60.7 | 47.6 | 39.9 | 39.9 |
| Year Lowest Occurred | 1979 | 1979 | 1977 | 1975 | 1998 | 1998 | 1987 | 1976 | 1986 | 1984 | 1985 | 1978 | 1978 |
| Mean Min. Temperature (F) | 31.2 | 35.3 | 39.8 | 45.4 | 54.0 | 63.1 | 68.5 | 67.4 | 59.4 | 48.0 | 36.3 | 30.3 | 48.2 |
| Highest Mean Min. Temperature (F) | 37.0 | 40.2 | 45.5 | 53.8 | 61.2 | 67.9 | 73.6 | 71.4 | 64.6 | 54.2 | 41.4 | 35.2 | 73.6 |
| Year Highest Occurred | 1995 | 1995 | 1994 | 1989 | 1984 | 2000 | 1996 | 1998 | 1984 | 1988 | 1981 | 1977 | 1996 |
| Lowest Mean Min. Temperature (F) | 26.6 | 31.2 | 33.3 | 38.8 | 48.6 | 58.0 | 64.0 | 62.5 | 52.4 | 43.4 | 31.2 | 24.2 | 24.2 |
| Year Lowest Occurred | 1972 | 1985 | 1977 | 1975 | 1971 | 1980 | 1987 | 1976 | 1986 | 1971 | 1994 | 1990 | 1990 |
| Mean Precipitation (in.) | 0.51 | 0.62 | 0.64 | 0.19 | 0.24 | 0.07 | 0.26 | 0.39 | 0.29 | 0.13 | 0.27 | 0.31 | 3.92 |
| Highest Precipitation (in.) | 3.17 | 3.69 | 2.83 | 1.82 | 1.45 | 1.24 | 2.81 | 4.01 | 1.70 | 0.87 | 1.61 | 2.70 | 4.01 |
| Year Highest Occurred | 1995 | 1998 | 1983 | 1988 | 1980 | 1998 | 1984 | 1983 | 1997 | 1996 | 1987 | 1984 | 1983 |
| 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 | 1999 | 1999 | 1996 | 2000 | 1999 | 2000 | 1999 | 1996 | 1999 | 2000 | 2000 | 1984 |
| Heating Degree Days (F) | 586. | 404. | 313. | 157. | 41. | 1. | 0. | 0. | 5. | 103. | 372. | 592. | 2574. |
| Cooling Degree Days (F) | 0. | 1. | 21. | 83. | 236. | 468. | 652. | 607. | 366. | 132. | 8. | 0. | 2574. |