| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 58.4 | 64.9 | 70.3 | 77.8 | 86.4 | 94.2 | 99.0 | 97.7 | 92.5 | 82.9 | 68.1 | 59.0 | 79.3 |
| Highest Mean Max. Temperature (F) | 64.9 | 74.1 | 78.7 | 86.3 | 94.3 | 98.6 | 104.4 | 103.1 | 99.8 | 89.9 | 76.5 | 64.1 | 104.4 |
| Year Highest Occurred | 1986 | 1991 | 1997 | 1987 | 1992 | 1985 | 1996 | 1996 | 1991 | 1991 | 1995 | 1976 | 1996 |
| Lowest Mean Max. Temperature (F) | 51.4 | 60.2 | 61.9 | 67.7 | 75.2 | 87.6 | 93.5 | 89.5 | 85.8 | 75.1 | 61.8 | 51.9 | 51.4 |
| Year Lowest Occurred | 1977 | 1978 | 1973 | 1983 | 1998 | 1982 | 1983 | 1976 | 1985 | 1984 | 1972 | 1972 | 1977 |
| Mean Temperature (F) | 48.2 | 53.0 | 57.1 | 62.6 | 70.2 | 77.5 | 82.6 | 81.4 | 76.3 | 67.2 | 55.0 | 47.5 | 64.9 |
| Highest Mean Temperature (F) | 54.3 | 58.3 | 62.3 | 68.3 | 77.2 | 81.3 | 86.8 | 85.0 | 81.7 | 72.8 | 61.4 | 52.2 | 86.8 |
| Year Highest Occurred | 1986 | 1991 | 1972 | 1989 | 1992 | 1981 | 1984 | 1998 | 1991 | 1991 | 1995 | 1995 | 1984 |
| Lowest Mean Temperature (F) | 42.4 | 49.5 | 51.9 | 55.7 | 62.3 | 72.3 | 77.3 | 75.8 | 71.0 | 62.8 | 50.7 | 42.3 | 42.3 |
| Year Lowest Occurred | 1972 | 1979 | 1973 | 1975 | 1998 | 1980 | 1983 | 1976 | 1986 | 1981 | 1994 | 1978 | 1978 |
| Mean Min. Temperature (F) | 37.9 | 41.1 | 43.9 | 47.4 | 54.0 | 60.8 | 66.1 | 65.1 | 60.0 | 51.4 | 41.8 | 35.9 | 50.5 |
| Highest Mean Min. Temperature (F) | 44.8 | 45.6 | 47.6 | 51.5 | 60.1 | 65.3 | 72.8 | 69.3 | 66.7 | 56.2 | 47.4 | 43.8 | 72.8 |
| Year Highest Occurred | 1995 | 1996 | 1978 | 1990 | 1992 | 1981 | 1984 | 1984 | 1984 | 1987 | 1981 | 1983 | 1984 |
| Lowest Mean Min. Temperature (F) | 31.6 | 36.4 | 38.1 | 41.6 | 49.3 | 56.0 | 61.1 | 62.1 | 55.2 | 46.6 | 36.1 | 28.6 | 28.6 |
| Year Lowest Occurred | 1989 | 1990 | 1977 | 1975 | 1998 | 1980 | 1983 | 1976 | 1986 | 1998 | 1975 | 1990 | 1990 |
| Mean Precipitation (in.) | 1.78 | 1.75 | 1.55 | 0.46 | 0.24 | 0.06 | 0.01 | 0.04 | 0.32 | 0.38 | 0.64 | 1.07 | 8.30 |
| Highest Precipitation (in.) | 6.15 | 7.74 | 6.33 | 1.87 | 2.30 | 0.78 | 0.16 | 0.37 | 3.81 | 1.58 | 2.85 | 4.37 | 7.74 |
| Year Highest Occurred | 1993 | 1998 | 1995 | 1982 | 1998 | 1987 | 1992 | 1983 | 1976 | 1987 | 1972 | 1977 | 1998 |
| Lowest Precipitation (in.) | 0.00 | 0.02 | 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 | 1976 | 1977 | 1972 | 1979 | 2000 | 1999 | 2000 | 2000 | 2000 | 1999 | 1995 | 1975 | 1976 |
| Heating Degree Days (F) | 524. | 337. | 262. | 142. | 48. | 1. | 0. | 0. | 3. | 65. | 308. | 544. | 2234. |
| Cooling Degree Days (F) | 0. | 0. | 17. | 71. | 209. | 376. | 544. | 508. | 342. | 130. | 7. | 0. | 2204. |