| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 58.2 | 63.3 | 69.8 | 78.1 | 87.3 | 97.3 | 96.2 | 93.6 | 89.3 | 79.4 | 66.8 | 57.8 | 78.1 |
| Highest Mean Max. Temperature (F) | 65.6 | 69.8 | 77.6 | 86.7 | 94.5 | 102.4 | 99.6 | 98.4 | 94.0 | 86.7 | 75.6 | 64.9 | 102.4 |
| Year Highest Occurred | 1999 | 2000 | 1989 | 1989 | 2000 | 1994 | 1978 | 1994 | 2000 | 1992 | 1999 | 1980 | 1994 |
| Lowest Mean Max. Temperature (F) | 49.9 | 57.4 | 60.2 | 70.7 | 83.6 | 94.0 | 90.3 | 89.6 | 83.9 | 72.9 | 60.4 | 52.1 | 49.9 |
| Year Lowest Occurred | 1992 | 1998 | 1973 | 1983 | 1979 | 1972 | 1999 | 1988 | 1996 | 1984 | 1972 | 1971 | 1992 |
| Mean Temperature (F) | 42.7 | 47.0 | 52.2 | 58.7 | 67.5 | 77.4 | 80.5 | 78.7 | 73.3 | 62.1 | 50.1 | 42.9 | 61.1 |
| Highest Mean Temperature (F) | 47.3 | 52.3 | 57.3 | 65.0 | 73.6 | 83.1 | 82.6 | 82.1 | 77.0 | 66.8 | 54.6 | 48.2 | 83.1 |
| Year Highest Occurred | 1986 | 1996 | 1972 | 1989 | 2000 | 1994 | 1980 | 1994 | 1983 | 1987 | 1999 | 1980 | 1994 |
| Lowest Mean Temperature (F) | 38.9 | 43.4 | 46.4 | 53.1 | 63.5 | 73.9 | 77.8 | 76.4 | 69.5 | 57.9 | 45.4 | 39.1 | 38.9 |
| Year Lowest Occurred | 1992 | 1974 | 1973 | 1983 | 1971 | 1991 | 1986 | 1990 | 1996 | 1971 | 1992 | 1974 | 1992 |
| Mean Min. Temperature (F) | 27.2 | 30.6 | 34.5 | 39.3 | 47.6 | 57.5 | 64.7 | 63.8 | 57.3 | 44.8 | 33.4 | 28.0 | 44.1 |
| Highest Mean Min. Temperature (F) | 33.3 | 37.1 | 38.2 | 45.0 | 53.2 | 63.7 | 67.0 | 66.2 | 62.2 | 49.5 | 39.3 | 33.2 | 67.0 |
| Year Highest Occurred | 1993 | 1996 | 1978 | 1990 | 1997 | 1994 | 1998 | 1995 | 1997 | 1987 | 1978 | 1992 | 1998 |
| Lowest Mean Min. Temperature (F) | 23.3 | 23.9 | 29.2 | 34.3 | 42.9 | 51.7 | 59.9 | 60.8 | 53.2 | 40.6 | 27.4 | 23.3 | 23.3 |
| Year Lowest Occurred | 1971 | 1974 | 1977 | 1975 | 1971 | 1992 | 1992 | 1979 | 1988 | 1986 | 1992 | 1989 | 1971 |
| Mean Precipitation (in.) | 0.63 | 1.00 | 0.31 | 0.16 | 0.10 | 0.39 | 1.78 | 1.96 | 1.24 | 1.13 | 0.70 | 1.26 | 10.66 |
| Highest Precipitation (in.) | 5.41 | 2.50 | 1.62 | 2.04 | 0.80 | 3.75 | 4.16 | 6.14 | 3.24 | 4.51 | 2.41 | 5.40 | 6.14 |
| Year Highest Occurred | 1993 | 1980 | 1998 | 1987 | 1992 | 2000 | 1999 | 1988 | 1990 | 2000 | 1990 | 1991 | 1988 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.01 | 0.00 | 0.00 | 0.00 | 0.12 | 0.64 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 2000 | 1999 | 1971 | 2000 | 2000 | 1995 | 1993 | 1975 | 2000 | 1999 | 1999 | 2000 | 2000 |
| Heating Degree Days (F) | 690. | 505. | 399. | 213. | 58. | 1. | 0. | 0. | 6. | 135. | 446. | 684. | 3137. |
| Cooling Degree Days (F) | 0. | 0. | 2. | 25. | 135. | 374. | 480. | 425. | 254. | 45. | 0. | 0. | 1740. |