| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 55.6 | 60.2 | 66.1 | 73.9 | 83.1 | 93.8 | 99.0 | 97.1 | 89.4 | 77.9 | 64.3 | 56.1 | 76.4 |
| Highest Mean Max. Temperature (F) | 63.6 | 69.4 | 75.9 | 82.6 | 91.3 | 99.7 | 102.8 | 101.2 | 94.6 | 86.3 | 71.1 | 64.5 | 102.8 |
| Year Highest Occurred | 1986 | 1995 | 1972 | 1989 | 1984 | 1994 | 1994 | 1994 | 1979 | 1988 | 1995 | 1980 | 1994 |
| Lowest Mean Max. Temperature (F) | 48.1 | 53.8 | 58.0 | 64.6 | 74.7 | 87.4 | 94.9 | 93.8 | 82.7 | 70.9 | 56.5 | 48.6 | 48.1 |
| Year Lowest Occurred | 1979 | 1998 | 1973 | 1975 | 1977 | 1995 | 1987 | 1976 | 1986 | 1972 | 1994 | 1987 | 1979 |
| Mean Temperature (F) | 44.2 | 48.4 | 53.3 | 60.0 | 68.6 | 78.4 | 84.3 | 82.6 | 74.9 | 63.4 | 50.8 | 44.0 | 62.7 |
| Highest Mean Temperature (F) | 51.1 | 56.0 | 60.2 | 68.4 | 74.8 | 83.9 | 88.3 | 87.3 | 78.1 | 70.4 | 56.8 | 50.3 | 88.3 |
| Year Highest Occurred | 1986 | 1995 | 1972 | 1989 | 1984 | 1994 | 1994 | 1994 | 1979 | 1988 | 1995 | 1980 | 1994 |
| Lowest Mean Temperature (F) | 38.5 | 43.4 | 47.8 | 52.6 | 62.0 | 73.7 | 79.6 | 78.3 | 69.2 | 57.0 | 44.7 | 37.3 | 37.3 |
| Year Lowest Occurred | 1979 | 1979 | 1991 | 1975 | 1977 | 1995 | 1987 | 1976 | 1986 | 1984 | 1994 | 1990 | 1990 |
| Mean Min. Temperature (F) | 32.7 | 36.6 | 40.4 | 46.0 | 54.0 | 62.9 | 69.5 | 68.0 | 60.3 | 48.8 | 37.3 | 31.8 | 49.0 |
| Highest Mean Min. Temperature (F) | 38.6 | 42.5 | 46.3 | 54.2 | 59.2 | 68.1 | 74.3 | 73.3 | 64.6 | 54.5 | 42.5 | 36.9 | 74.3 |
| Year Highest Occurred | 1986 | 1995 | 1994 | 1989 | 1997 | 2000 | 1996 | 1994 | 1997 | 1988 | 1995 | 1977 | 1996 |
| Lowest Mean Min. Temperature (F) | 28.8 | 32.3 | 33.5 | 40.6 | 48.7 | 59.7 | 64.2 | 62.8 | 55.4 | 42.8 | 32.9 | 23.8 | 23.8 |
| Year Lowest Occurred | 1979 | 1979 | 1977 | 1975 | 1991 | 1998 | 1987 | 1976 | 1985 | 1984 | 2000 | 1990 | 1990 |
| Mean Precipitation (in.) | 0.93 | 0.69 | 0.49 | 0.26 | 0.22 | 0.06 | 0.52 | 0.44 | 0.20 | 0.26 | 0.34 | 0.49 | 4.90 |
| Highest Precipitation (in.) | 3.37 | 3.29 | 2.39 | 1.73 | 1.94 | 0.41 | 3.64 | 3.14 | 1.43 | 1.65 | 1.76 | 1.91 | 3.64 |
| Year Highest Occurred | 1995 | 1993 | 1995 | 1999 | 1987 | 1993 | 1984 | 1984 | 1985 | 1987 | 1984 | 1984 | 1984 |
| Lowest Precipitation (in.) | 0.02 | 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 | 1985 | 1972 | 1996 | 2000 | 1994 | 2000 | 2000 | 1995 | 1999 | 1999 | 2000 | 1972 |
| Heating Degree Days (F) | 647. | 466. | 376. | 201. | 67. | 3. | 0. | 0. | 5. | 130. | 427. | 653. | 2975. |
| Cooling Degree Days (F) | 0. | 0. | 11. | 51. | 177. | 402. | 596. | 544. | 299. | 80. | 2. | 0. | 2162. |