| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 68.2 | 69.3 | 70.1 | 74.1 | 76.4 | 82.0 | 87.0 | 88.1 | 86.5 | 80.2 | 73.5 | 68.3 | 77.0 |
| Highest Mean Max. Temperature (F) | 73.3 | 74.9 | 78.7 | 81.5 | 84.9 | 87.3 | 91.4 | 93.0 | 94.3 | 89.7 | 80.2 | 77.1 | 94.3 |
| Year Highest Occurred | 1986 | 1981 | 1997 | 1996 | 1997 | 1974 | 1980 | 1995 | 1979 | 1999 | 1995 | 2000 | 1979 |
| Lowest Mean Max. Temperature (F) | 60.5 | 64.0 | 62.5 | 65.0 | 70.2 | 76.3 | 80.4 | 83.2 | 78.2 | 74.9 | 67.5 | 60.1 | 60.1 |
| Year Lowest Occurred | 1979 | 1998 | 1973 | 1975 | 1995 | 1991 | 1987 | 1987 | 1986 | 1972 | 1994 | 1971 | 1971 |
| Mean Temperature (F) | 54.9 | 56.7 | 58.3 | 62.1 | 65.6 | 70.3 | 74.7 | 76.0 | 73.9 | 67.4 | 59.4 | 54.3 | 64.5 |
| Highest Mean Temperature (F) | 59.3 | 60.2 | 62.5 | 66.9 | 71.8 | 73.9 | 78.7 | 79.5 | 79.9 | 71.4 | 64.5 | 59.8 | 79.9 |
| Year Highest Occurred | 1986 | 1995 | 1997 | 1989 | 1997 | 1981 | 1984 | 1998 | 1984 | 1999 | 1995 | 1977 | 1984 |
| Lowest Mean Temperature (F) | 50.4 | 52.5 | 53.1 | 55.3 | 60.7 | 66.9 | 70.0 | 71.9 | 67.9 | 63.5 | 54.7 | 49.5 | 49.5 |
| Year Lowest Occurred | 1979 | 1990 | 1973 | 1975 | 1977 | 1991 | 1987 | 1976 | 1986 | 1971 | 1994 | 1971 | 1971 |
| Mean Min. Temperature (F) | 41.6 | 44.0 | 46.5 | 50.1 | 54.7 | 58.5 | 62.4 | 63.8 | 61.3 | 54.6 | 45.2 | 40.3 | 51.9 |
| Highest Mean Min. Temperature (F) | 47.8 | 48.8 | 51.3 | 54.5 | 61.4 | 62.0 | 67.5 | 67.2 | 68.1 | 60.6 | 48.7 | 46.7 | 68.1 |
| Year Highest Occurred | 1980 | 1995 | 1978 | 1989 | 1992 | 1981 | 1984 | 1992 | 1984 | 1987 | 1995 | 1977 | 1984 |
| Lowest Mean Min. Temperature (F) | 37.0 | 38.5 | 40.4 | 45.5 | 51.2 | 55.4 | 59.0 | 59.9 | 57.5 | 49.8 | 41.2 | 37.6 | 37.0 |
| Year Lowest Occurred | 1972 | 1990 | 1977 | 1975 | 1977 | 1980 | 1983 | 1975 | 1986 | 1971 | 2000 | 1990 | 1972 |
| Mean Precipitation (in.) | 2.47 | 2.57 | 2.66 | 0.79 | 0.16 | 0.06 | 0.04 | 0.06 | 0.15 | 0.46 | 1.18 | 1.36 | 11.96 |
| Highest Precipitation (in.) | 11.43 | 10.35 | 9.66 | 2.42 | 1.21 | 0.91 | 0.68 | 1.07 | 1.05 | 1.92 | 7.21 | 5.32 | 11.43 |
| Year Highest Occurred | 1993 | 1998 | 1983 | 1988 | 1998 | 1990 | 1991 | 1977 | 1997 | 1986 | 1985 | 1984 | 1993 |
| 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 | 0.01 | 0.00 |
| Year Lowest Occurred | 2000 | 1989 | 2000 | 2000 | 1999 | 2000 | 2000 | 2000 | 2000 | 1999 | 2000 | 2000 | 2000 |
| Heating Degree Days (F) | 315. | 238. | 222. | 131. | 77. | 13. | 0. | 0. | 7. | 40. | 183. | 334. | 1560. |
| Cooling Degree Days (F) | 0. | 4. | 13. | 44. | 94. | 170. | 301. | 340. | 275. | 114. | 13. | 3. | 1371. |