| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 64.6 | 65.8 | 66.6 | 69.3 | 69.6 | 71.1 | 71.2 | 72.3 | 73.0 | 72.6 | 68.9 | 65.5 | 69.2 |
| Highest Mean Max. Temperature (F) | 70.0 | 71.7 | 74.8 | 75.5 | 80.1 | 78.7 | 75.9 | 76.6 | 82.1 | 77.5 | 73.0 | 70.0 | 82.1 |
| Year Highest Occurred | 1986 | 1988 | 1984 | 1993 | 1984 | 1981 | 1983 | 1985 | 1984 | 1985 | 1986 | 1980 | 1984 |
| Lowest Mean Max. Temperature (F) | 58.6 | 61.2 | 61.1 | 63.2 | 65.4 | 65.4 | 67.4 | 68.9 | 68.0 | 67.5 | 64.1 | 59.4 | 58.6 |
| Year Lowest Occurred | 1990 | 1989 | 1999 | 1999 | 1975 | 1991 | 1978 | 1989 | 1991 | 2000 | 1978 | 1971 | 1990 |
| Mean Temperature (F) | 53.6 | 55.0 | 55.6 | 57.6 | 58.5 | 60.8 | 61.9 | 62.8 | 63.1 | 61.7 | 57.4 | 54.0 | 58.5 |
| Highest Mean Temperature (F) | 58.2 | 58.3 | 61.1 | 63.3 | 65.9 | 65.4 | 65.1 | 65.9 | 70.6 | 65.9 | 61.0 | 59.8 | 70.6 |
| Year Highest Occurred | 1986 | 1992 | 2000 | 2000 | 1997 | 1981 | 1985 | 1983 | 1984 | 1995 | 1977 | 1977 | 1984 |
| Lowest Mean Temperature (F) | 47.2 | 51.1 | 50.6 | 51.2 | 54.8 | 56.6 | 58.9 | 60.2 | 58.4 | 57.4 | 53.2 | 49.2 | 47.2 |
| Year Lowest Occurred | 1990 | 1990 | 1999 | 1975 | 1975 | 1999 | 1975 | 1989 | 1986 | 1988 | 1978 | 1987 | 1990 |
| Mean Min. Temperature (F) | 42.6 | 44.1 | 44.6 | 45.9 | 47.3 | 50.5 | 52.5 | 53.3 | 53.1 | 50.7 | 45.9 | 42.4 | 47.7 |
| Highest Mean Min. Temperature (F) | 47.3 | 49.2 | 50.5 | 51.4 | 52.9 | 54.3 | 55.3 | 56.0 | 59.1 | 55.2 | 50.8 | 50.5 | 59.1 |
| Year Highest Occurred | 1978 | 2000 | 1978 | 1992 | 1997 | 1992 | 1984 | 1983 | 1984 | 1995 | 1997 | 1977 | 1984 |
| Lowest Mean Min. Temperature (F) | 35.6 | 37.6 | 37.8 | 38.6 | 44.1 | 46.5 | 48.2 | 51.1 | 46.7 | 45.1 | 40.3 | 36.6 | 35.6 |
| Year Lowest Occurred | 1987 | 1988 | 1987 | 1975 | 1975 | 1999 | 1975 | 1985 | 1986 | 1971 | 1986 | 1987 | 1987 |
| Mean Precipitation (in.) | 3.59 | 3.87 | 3.46 | 1.13 | 0.41 | 0.07 | 0.03 | 0.02 | 0.32 | 0.62 | 1.70 | 2.57 | 17.79 |
| Highest Precipitation (in.) | 11.16 | 12.42 | 17.06 | 5.82 | 3.62 | 0.75 | 0.73 | 0.44 | 4.20 | 2.83 | 5.31 | 7.67 | 17.06 |
| Year Highest Occurred | 1978 | 1998 | 1991 | 1982 | 1998 | 1995 | 1992 | 1983 | 1976 | 1972 | 1972 | 1996 | 1991 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 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 | 1974 | 1997 | 1986 | 1999 | 1999 | 2000 | 2000 | 1999 | 1999 | 1992 | 1989 | 1976 |
| Heating Degree Days (F) | 355. | 282. | 280. | 241. | 219. | 137. | 110. | 86. | 108. | 133. | 233. | 347. | 2531. |
| Cooling Degree Days (F) | 0. | 0. | 3. | 8. | 10. | 11. | 13. | 18. | 50. | 29. | 5. | 4. | 151. |