| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 61.7 | 66.3 | 71.4 | 78.9 | 87.2 | 97.3 | 102.7 | 101.4 | 94.8 | 83.7 | 69.8 | 61.6 | 81.4 |
| Highest Mean Max. Temperature (F) | 69.6 | 74.6 | 82.5 | 88.5 | 95.0 | 101.9 | 106.2 | 104.5 | 100.4 | 92.7 | 79.2 | 68.8 | 106.2 |
| Year Highest Occurred | 1986 | 1995 | 1972 | 1989 | 1984 | 1981 | 1989 | 1981 | 1979 | 1988 | 1995 | 1980 | 1989 |
| Lowest Mean Max. Temperature (F) | 54.0 | 57.9 | 63.4 | 69.5 | 77.2 | 90.4 | 98.1 | 97.4 | 87.7 | 77.5 | 63.2 | 53.8 | 53.8 |
| Year Lowest Occurred | 1979 | 1998 | 1973 | 1975 | 1998 | 1998 | 1992 | 1976 | 1986 | 1972 | 1994 | 1984 | 1984 |
| Mean Temperature (F) | 47.9 | 52.2 | 56.8 | 63.2 | 70.8 | 79.8 | 85.6 | 84.3 | 78.1 | 67.4 | 55.0 | 47.4 | 65.7 |
| Highest Mean Temperature (F) | 53.2 | 60.5 | 62.8 | 70.7 | 77.2 | 84.7 | 89.2 | 88.1 | 81.6 | 75.0 | 64.0 | 53.4 | 89.2 |
| Year Highest Occurred | 1996 | 1995 | 1972 | 1989 | 1997 | 1981 | 1996 | 1998 | 1979 | 1988 | 1995 | 1977 | 1996 |
| Lowest Mean Temperature (F) | 42.5 | 48.0 | 50.8 | 54.8 | 63.4 | 75.0 | 81.5 | 79.5 | 71.8 | 62.3 | 48.0 | 41.3 | 41.3 |
| Year Lowest Occurred | 1979 | 1979 | 1973 | 1975 | 1998 | 1998 | 1987 | 1976 | 1986 | 1971 | 1994 | 1990 | 1990 |
| Mean Min. Temperature (F) | 34.0 | 38.1 | 42.1 | 47.4 | 54.3 | 62.2 | 68.5 | 67.1 | 61.3 | 51.1 | 40.2 | 33.2 | 50.0 |
| Highest Mean Min. Temperature (F) | 40.3 | 46.4 | 47.3 | 53.6 | 60.9 | 67.6 | 73.1 | 72.5 | 66.3 | 57.3 | 48.7 | 39.4 | 73.1 |
| Year Highest Occurred | 1980 | 1995 | 1995 | 1994 | 1997 | 1981 | 1996 | 1998 | 1983 | 1988 | 1995 | 1977 | 1996 |
| Lowest Mean Min. Temperature (F) | 28.6 | 32.7 | 36.5 | 40.0 | 48.4 | 58.3 | 63.1 | 61.5 | 55.8 | 46.5 | 32.8 | 26.0 | 26.0 |
| Year Lowest Occurred | 1972 | 1974 | 1977 | 1975 | 1991 | 1991 | 1987 | 1976 | 1985 | 1971 | 1994 | 1990 | 1990 |
| Mean Precipitation (in.) | 0.92 | 0.82 | 0.61 | 0.14 | 0.07 | 0.05 | 0.23 | 0.22 | 0.25 | 0.18 | 0.37 | 0.47 | 4.33 |
| Highest Precipitation (in.) | 2.91 | 4.22 | 2.96 | 1.14 | 1.21 | 0.60 | 2.07 | 1.52 | 1.84 | 1.34 | 1.54 | 2.75 | 4.22 |
| Year Highest Occurred | 1993 | 1998 | 1983 | 1988 | 1987 | 1999 | 1999 | 1984 | 1984 | 1992 | 1982 | 1984 | 1998 |
| 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 | 1999 | 1994 | 1997 | 1999 | 2000 | 2000 | 2000 | 1999 | 2000 | 1999 | 2000 | 1999 | 1999 |
| Heating Degree Days (F) | 531. | 360. | 278. | 148. | 44. | 1. | 0. | 0. | 2. | 73. | 311. | 546. | 2294. |
| Cooling Degree Days (F) | 0. | 1. | 21. | 92. | 223. | 443. | 639. | 597. | 392. | 147. | 11. | 0. | 2566. |