| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 66.6 | 70.5 | 74.7 | 82.8 | 92.0 | 102.1 | 105.0 | 103.3 | 98.3 | 87.7 | 75.1 | 66.9 | 85.4 |
| Highest Mean Max. Temperature (F) | 74.9 | 76.7 | 86.6 | 92.1 | 99.1 | 107.6 | 107.9 | 107.0 | 103.3 | 93.3 | 83.7 | 76.2 | 107.9 |
| Year Highest Occurred | 1986 | 1991 | 1972 | 1989 | 2000 | 1974 | 1980 | 1995 | 1979 | 1988 | 1999 | 1980 | 1980 |
| Lowest Mean Max. Temperature (F) | 57.7 | 62.7 | 63.5 | 74.6 | 86.8 | 97.0 | 101.6 | 99.5 | 92.1 | 80.4 | 68.2 | 61.7 | 57.7 |
| Year Lowest Occurred | 1979 | 1998 | 1973 | 1983 | 1980 | 1998 | 1999 | 1990 | 1985 | 1971 | 2000 | 1971 | 1979 |
| Mean Temperature (F) | 53.7 | 56.9 | 60.6 | 67.3 | 75.9 | 85.2 | 89.9 | 89.1 | 83.9 | 73.6 | 61.4 | 54.3 | 71.0 |
| Highest Mean Temperature (F) | 59.9 | 62.6 | 70.6 | 75.4 | 82.4 | 90.1 | 93.1 | 93.7 | 88.5 | 80.0 | 68.5 | 62.2 | 93.7 |
| Year Highest Occurred | 1986 | 1991 | 1972 | 1989 | 1997 | 1974 | 1998 | 1998 | 1979 | 1988 | 1999 | 1980 | 1998 |
| Lowest Mean Temperature (F) | 46.2 | 52.1 | 52.8 | 59.1 | 69.9 | 79.4 | 86.5 | 85.7 | 76.3 | 67.4 | 56.5 | 49.1 | 46.2 |
| Year Lowest Occurred | 1979 | 1998 | 1973 | 1975 | 1980 | 1998 | 1984 | 1984 | 1985 | 1984 | 1994 | 1978 | 1979 |
| Mean Min. Temperature (F) | 40.8 | 43.2 | 46.5 | 51.7 | 59.7 | 68.3 | 74.7 | 74.8 | 69.4 | 59.5 | 47.6 | 41.6 | 56.5 |
| Highest Mean Min. Temperature (F) | 45.2 | 48.4 | 54.7 | 58.7 | 66.9 | 73.2 | 79.7 | 80.7 | 75.1 | 66.7 | 53.8 | 48.2 | 80.7 |
| Year Highest Occurred | 1981 | 1991 | 1972 | 1989 | 1997 | 2000 | 1996 | 1998 | 1997 | 1988 | 1995 | 1980 | 1998 |
| Lowest Mean Min. Temperature (F) | 34.7 | 37.0 | 41.0 | 43.6 | 53.0 | 61.6 | 69.1 | 70.3 | 60.5 | 54.3 | 41.9 | 36.1 | 34.7 |
| Year Lowest Occurred | 1979 | 1979 | 1980 | 1975 | 1980 | 1983 | 1972 | 1976 | 1985 | 1984 | 1984 | 1978 | 1979 |
| Mean Precipitation (in.) | 1.80 | 1.83 | 2.27 | 0.64 | 0.33 | 0.25 | 1.34 | 1.83 | 1.28 | 1.40 | 1.25 | 1.63 | 15.85 |
| Highest Precipitation (in.) | 9.53 | 8.57 | 7.36 | 2.77 | 3.44 | 4.07 | 4.77 | 5.78 | 4.34 | 6.89 | 4.12 | 5.51 | 9.53 |
| Year Highest Occurred | 1993 | 1980 | 1978 | 1999 | 1992 | 1972 | 1999 | 1992 | 1983 | 1972 | 1982 | 1984 | 1993 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.22 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1972 | 1984 | 1984 | 1996 | 2000 | 1999 | 1997 | 1994 | 2000 | 1999 | 1999 | 2000 | 1972 |
| Heating Degree Days (F) | 355. | 240. | 209. | 94. | 10. | 0. | 0. | 0. | 0. | 22. | 171. | 343. | 1444. |
| Cooling Degree Days (F) | 4. | 11. | 71. | 162. | 346. | 606. | 771. | 745. | 566. | 289. | 63. | 10. | 3644. |