| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 62.0 | 65.5 | 69.7 | 78.7 | 87.8 | 97.9 | 101.1 | 99.4 | 94.0 | 83.2 | 70.0 | 62.3 | 81.0 |
| Highest Mean Max. Temperature (F) | 69.8 | 71.9 | 80.1 | 87.1 | 94.7 | 102.6 | 104.0 | 103.6 | 98.6 | 90.2 | 79.8 | 70.0 | 104.0 |
| Year Highest Occurred | 1986 | 1991 | 1972 | 1989 | 1997 | 1974 | 1995 | 1995 | 1979 | 1999 | 1999 | 1980 | 1995 |
| Lowest Mean Max. Temperature (F) | 53.5 | 58.3 | 59.4 | 71.7 | 81.0 | 93.1 | 97.6 | 95.7 | 87.2 | 76.5 | 62.7 | 56.8 | 53.5 |
| Year Lowest Occurred | 1979 | 1998 | 1973 | 1983 | 1977 | 1991 | 1986 | 1990 | 1985 | 1972 | 2000 | 1987 | 1979 |
| Mean Temperature (F) | 51.6 | 54.6 | 58.2 | 65.5 | 74.1 | 83.9 | 88.4 | 87.0 | 81.9 | 71.4 | 58.9 | 51.9 | 69.0 |
| Highest Mean Temperature (F) | 56.7 | 60.4 | 66.9 | 73.2 | 81.1 | 87.9 | 90.4 | 90.9 | 85.7 | 76.5 | 67.4 | 57.6 | 90.9 |
| Year Highest Occurred | 1986 | 1991 | 1972 | 1989 | 1997 | 1974 | 1989 | 1995 | 1997 | 1999 | 1999 | 1980 | 1995 |
| Lowest Mean Temperature (F) | 45.6 | 49.3 | 50.3 | 58.2 | 67.9 | 79.7 | 85.2 | 84.1 | 75.3 | 66.1 | 52.5 | 46.9 | 45.6 |
| Year Lowest Occurred | 1979 | 1998 | 1973 | 1975 | 1977 | 1982 | 1986 | 1990 | 1985 | 1971 | 2000 | 1974 | 1979 |
| Mean Min. Temperature (F) | 41.1 | 43.6 | 46.7 | 52.3 | 60.3 | 69.8 | 75.6 | 74.6 | 69.7 | 59.6 | 47.7 | 41.4 | 56.9 |
| Highest Mean Min. Temperature (F) | 46.1 | 49.9 | 53.8 | 59.3 | 67.5 | 74.0 | 77.9 | 78.7 | 74.2 | 64.6 | 54.9 | 45.4 | 78.7 |
| Year Highest Occurred | 1980 | 1995 | 1972 | 1989 | 1997 | 1994 | 1998 | 1994 | 1997 | 1988 | 1999 | 1977 | 1994 |
| Lowest Mean Min. Temperature (F) | 34.4 | 38.5 | 40.8 | 42.6 | 54.9 | 65.3 | 72.7 | 70.0 | 63.4 | 54.5 | 42.2 | 35.6 | 34.4 |
| Year Lowest Occurred | 1975 | 1974 | 1977 | 1975 | 1977 | 1983 | 1986 | 1974 | 1985 | 1971 | 2000 | 1974 | 1975 |
| Mean Precipitation (in.) | 1.70 | 1.56 | 2.01 | 0.51 | 0.16 | 0.14 | 1.16 | 1.50 | 0.90 | 1.29 | 1.00 | 1.35 | 13.28 |
| Highest Precipitation (in.) | 9.37 | 6.22 | 5.20 | 3.36 | 1.28 | 1.55 | 3.60 | 4.74 | 3.54 | 7.90 | 3.66 | 4.98 | 9.37 |
| Year Highest Occurred | 1993 | 1998 | 1978 | 1988 | 1982 | 1972 | 1990 | 1992 | 1984 | 1972 | 1978 | 1984 | 1993 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.08 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1972 | 1997 | 1997 | 1996 | 2000 | 1998 | 1993 | 1994 | 1988 | 1999 | 1999 | 1999 | 1972 |
| Heating Degree Days (F) | 417. | 299. | 256. | 109. | 17. | 0. | 0. | 0. | 0. | 31. | 222. | 409. | 1760. |
| Cooling Degree Days (F) | 0. | 6. | 44. | 123. | 298. | 565. | 725. | 682. | 506. | 228. | 38. | 2. | 3217. |