| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 64.0 | 63.9 | 64.0 | 65.3 | 66.5 | 68.8 | 72.1 | 73.6 | 73.4 | 71.4 | 68.1 | 64.9 | 68.0 |
| Highest Mean Max. Temperature (F) | 69.6 | 70.4 | 68.3 | 68.6 | 70.8 | 75.9 | 77.8 | 81.5 | 80.6 | 78.2 | 77.3 | 70.9 | 81.5 |
| Year Highest Occurred | 1976 | 1977 | 1978 | 1973 | 1972 | 1981 | 1984 | 1971 | 1984 | 1976 | 1976 | 1976 | 1971 |
| Lowest Mean Max. Temperature (F) | 60.4 | 59.4 | 57.9 | 60.6 | 61.7 | 63.7 | 67.3 | 68.0 | 67.4 | 66.6 | 62.6 | 60.5 | 57.9 |
| Year Lowest Occurred | 1995 | 1990 | 1999 | 1999 | 1995 | 1999 | 1987 | 1999 | 1999 | 1996 | 1994 | 1987 | 1999 |
| Mean Temperature (F) | 54.7 | 55.2 | 56.2 | 58.2 | 61.2 | 64.2 | 67.6 | 68.6 | 67.4 | 63.8 | 58.4 | 54.9 | 60.9 |
| Highest Mean Temperature (F) | 58.3 | 59.7 | 59.9 | 62.1 | 64.5 | 69.8 | 73.0 | 73.1 | 74.4 | 68.9 | 63.8 | 58.6 | 74.4 |
| Year Highest Occurred | 1986 | 1977 | 1978 | 1992 | 1997 | 1981 | 1984 | 1984 | 1984 | 1983 | 1976 | 1976 | 1984 |
| Lowest Mean Temperature (F) | 52.0 | 50.7 | 51.5 | 54.4 | 58.0 | 60.1 | 63.9 | 64.3 | 63.0 | 60.7 | 53.4 | 51.5 | 50.7 |
| Year Lowest Occurred | 1987 | 1990 | 1999 | 1999 | 1999 | 1999 | 1987 | 1999 | 1986 | 1996 | 1994 | 1987 | 1990 |
| Mean Min. Temperature (F) | 45.4 | 46.5 | 48.4 | 51.0 | 55.9 | 59.6 | 63.0 | 63.6 | 61.4 | 56.1 | 48.6 | 44.8 | 53.7 |
| Highest Mean Min. Temperature (F) | 50.1 | 51.1 | 51.8 | 56.5 | 61.2 | 63.6 | 68.1 | 68.2 | 68.3 | 61.3 | 52.3 | 49.0 | 68.3 |
| Year Highest Occurred | 1986 | 1995 | 1983 | 1992 | 1992 | 1981 | 1984 | 1984 | 1984 | 1983 | 1997 | 1977 | 1984 |
| Lowest Mean Min. Temperature (F) | 42.0 | 41.5 | 42.9 | 44.9 | 52.4 | 56.0 | 60.1 | 56.5 | 58.4 | 50.4 | 44.2 | 42.3 | 41.5 |
| Year Lowest Occurred | 1972 | 1979 | 1975 | 1975 | 1971 | 1976 | 1978 | 1975 | 1973 | 1971 | 1994 | 1971 | 1979 |
| Mean Precipitation (in.) | 2.42 | 2.23 | 2.11 | 0.92 | 0.23 | 0.09 | 0.02 | 0.13 | 0.29 | 0.43 | 0.92 | 1.34 | 11.13 |
| Highest Precipitation (in.) | 8.78 | 8.50 | 6.73 | 3.55 | 1.33 | 0.68 | 0.29 | 2.81 | 2.15 | 2.56 | 3.58 | 4.02 | 8.78 |
| Year Highest Occurred | 1993 | 1998 | 1978 | 1975 | 1977 | 1990 | 1976 | 1977 | 1976 | 1987 | 1985 | 1984 | 1993 |
| Lowest Precipitation (in.) | 0.00 | 0.07 | 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 | 1993 | 2000 | 2000 | 2000 | 2000 | 1999 | 1999 | 1999 | 2000 | 1976 |
| Heating Degree Days (F) | 319. | 275. | 275. | 208. | 137. | 84. | 36. | 34. | 44. | 78. | 205. | 314. | 2009. |
| Cooling Degree Days (F) | 0. | 1. | 1. | 2. | 18. | 60. | 115. | 145. | 117. | 40. | 6. | 0. | 505. |