| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 65.0 | 69.6 | 74.1 | 82.0 | 89.5 | 99.6 | 102.2 | 100.9 | 97.1 | 86.8 | 74.0 | 65.1 | 83.8 |
| Highest Mean Max. Temperature (F) | 72.6 | 76.1 | 86.5 | 91.2 | 96.1 | 103.3 | 106.7 | 104.7 | 101.6 | 92.8 | 84.2 | 73.1 | 106.7 |
| Year Highest Occurred | 1986 | 1991 | 1972 | 1989 | 1997 | 1974 | 1972 | 1995 | 1979 | 1999 | 1999 | 1980 | 1972 |
| Lowest Mean Max. Temperature (F) | 56.1 | 63.9 | 63.9 | 71.8 | 80.6 | 95.1 | 98.0 | 97.0 | 90.3 | 79.9 | 67.7 | 59.4 | 56.1 |
| Year Lowest Occurred | 1979 | 1998 | 1973 | 1975 | 1977 | 1991 | 1984 | 1984 | 1976 | 1971 | 1972 | 1978 | 1979 |
| Mean Temperature (F) | 54.5 | 58.3 | 62.2 | 69.0 | 76.6 | 86.1 | 89.9 | 88.6 | 84.8 | 75.0 | 63.0 | 54.7 | 71.9 |
| Highest Mean Temperature (F) | 60.4 | 64.2 | 69.9 | 75.8 | 83.5 | 90.2 | 93.0 | 92.7 | 89.1 | 79.7 | 68.9 | 62.5 | 93.0 |
| Year Highest Occurred | 1986 | 1991 | 1972 | 1989 | 1997 | 1994 | 1998 | 1994 | 1992 | 1991 | 1999 | 1980 | 1998 |
| Lowest Mean Temperature (F) | 47.9 | 54.1 | 53.5 | 59.2 | 69.0 | 82.6 | 86.3 | 84.6 | 76.7 | 66.7 | 57.4 | 49.4 | 47.9 |
| Year Lowest Occurred | 1979 | 1985 | 1973 | 1975 | 1977 | 1971 | 1984 | 1971 | 1985 | 1971 | 1972 | 1990 | 1979 |
| Mean Min. Temperature (F) | 44.0 | 46.9 | 50.2 | 56.0 | 63.7 | 72.6 | 77.5 | 76.2 | 72.4 | 63.2 | 51.9 | 44.3 | 59.9 |
| Highest Mean Min. Temperature (F) | 49.5 | 52.4 | 54.7 | 62.4 | 70.8 | 77.7 | 80.5 | 80.7 | 77.8 | 68.9 | 56.4 | 51.9 | 80.7 |
| Year Highest Occurred | 1981 | 1995 | 1989 | 1992 | 1997 | 1994 | 1998 | 1994 | 1997 | 1991 | 1981 | 1980 | 1994 |
| Lowest Mean Min. Temperature (F) | 36.7 | 42.1 | 43.1 | 46.5 | 55.5 | 66.5 | 74.5 | 71.4 | 62.7 | 53.4 | 45.2 | 37.1 | 36.7 |
| Year Lowest Occurred | 1972 | 1971 | 1973 | 1975 | 1971 | 1971 | 1974 | 1972 | 1985 | 1971 | 1971 | 1990 | 1972 |
| Mean Precipitation (in.) | 0.67 | 0.67 | 0.76 | 0.23 | 0.15 | 0.05 | 0.76 | 1.62 | 0.82 | 0.63 | 0.50 | 0.88 | 7.74 |
| Highest Precipitation (in.) | 2.80 | 2.15 | 2.27 | 1.35 | 1.26 | 0.50 | 4.06 | 3.33 | 3.11 | 3.24 | 2.39 | 2.98 | 4.06 |
| Year Highest Occurred | 1993 | 1987 | 1998 | 1999 | 1972 | 1972 | 1984 | 1992 | 1976 | 1972 | 1978 | 1992 | 1984 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.23 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1996 | 1996 | 1996 | 1996 | 2000 | 1999 | 2000 | 1977 | 2000 | 1999 | 1999 | 2000 | 1996 |
| Heating Degree Days (F) | 334. | 206. | 170. | 70. | 14. | 0. | 0. | 0. | 0. | 18. | 128. | 333. | 1273. |
| Cooling Degree Days (F) | 9. | 17. | 83. | 190. | 372. | 634. | 770. | 731. | 592. | 327. | 65. | 14. | 3804. |