| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 56.3 | 63.5 | 68.3 | 75.7 | 83.8 | 91.6 | 96.9 | 95.4 | 89.4 | 79.5 | 65.3 | 56.1 | 76.8 |
| Highest Mean Max. Temperature (F) | 62.1 | 70.6 | 74.5 | 83.6 | 90.7 | 97.7 | 101.1 | 99.3 | 95.0 | 86.0 | 74.0 | 64.3 | 101.1 |
| Year Highest Occurred | 1995 | 1991 | 1997 | 1989 | 1992 | 1981 | 1988 | 1994 | 1991 | 1978 | 1995 | 1979 | 1988 |
| Lowest Mean Max. Temperature (F) | 47.4 | 58.9 | 62.6 | 68.3 | 72.6 | 84.4 | 91.3 | 88.9 | 81.3 | 72.9 | 57.1 | 48.4 | 47.4 |
| Year Lowest Occurred | 1972 | 1998 | 1973 | 1975 | 1998 | 1998 | 1987 | 1976 | 1985 | 1984 | 1972 | 1972 | 1972 |
| Mean Temperature (F) | 47.8 | 53.3 | 57.3 | 62.7 | 70.3 | 77.7 | 83.1 | 81.9 | 76.7 | 67.2 | 54.8 | 47.2 | 65.0 |
| Highest Mean Temperature (F) | 53.9 | 57.0 | 62.8 | 68.7 | 76.5 | 83.7 | 86.2 | 85.0 | 81.8 | 73.9 | 61.0 | 56.0 | 86.2 |
| Year Highest Occurred | 1978 | 1991 | 1972 | 1989 | 1992 | 1981 | 1982 | 1971 | 1974 | 1978 | 1995 | 1977 | 1982 |
| Lowest Mean Temperature (F) | 40.8 | 49.0 | 52.4 | 57.7 | 61.1 | 70.6 | 76.5 | 77.6 | 69.6 | 61.1 | 48.1 | 42.4 | 40.8 |
| Year Lowest Occurred | 1972 | 1990 | 1999 | 1983 | 1998 | 1998 | 1987 | 1999 | 1986 | 1984 | 1994 | 1972 | 1972 |
| Mean Min. Temperature (F) | 39.3 | 43.0 | 46.2 | 49.6 | 56.8 | 63.7 | 69.2 | 68.4 | 63.9 | 54.9 | 44.2 | 38.2 | 53.1 |
| Highest Mean Min. Temperature (F) | 46.8 | 47.8 | 53.5 | 53.8 | 63.6 | 70.6 | 73.7 | 73.3 | 70.0 | 61.7 | 49.4 | 48.2 | 73.7 |
| Year Highest Occurred | 1978 | 1973 | 1978 | 1989 | 1982 | 1977 | 1982 | 1977 | 1975 | 1978 | 1976 | 1977 | 1982 |
| Lowest Mean Min. Temperature (F) | 33.1 | 37.3 | 41.1 | 42.9 | 49.5 | 56.7 | 61.6 | 63.7 | 56.9 | 49.3 | 36.9 | 31.2 | 31.2 |
| Year Lowest Occurred | 1989 | 1984 | 1999 | 1984 | 1998 | 1998 | 1987 | 1999 | 1986 | 1998 | 1994 | 1990 | 1990 |
| Mean Precipitation (in.) | 1.18 | 1.21 | 1.41 | 0.45 | 0.24 | 0.12 | 0.00 | 0.08 | 0.15 | 0.30 | 0.59 | 0.76 | 6.49 |
| Highest Precipitation (in.) | 3.90 | 5.36 | 4.33 | 1.31 | 2.39 | 1.11 | 0.03 | 1.18 | 1.06 | 1.82 | 1.70 | 2.03 | 5.36 |
| Year Highest Occurred | 1999 | 1998 | 1991 | 1988 | 1971 | 1972 | 1992 | 1983 | 1976 | 1974 | 1997 | 1995 | 1998 |
| Lowest Precipitation (in.) | 0.00 | 0.05 | 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 | 1972 | 1984 | 1972 | 1997 | 1999 | 1999 | 2000 | 2000 | 2000 | 1999 | 2000 | 2000 | 1972 |
| Heating Degree Days (F) | 521. | 324. | 236. | 119. | 31. | 3. | 0. | 0. | 2. | 55. | 293. | 536. | 2120. |
| Cooling Degree Days (F) | 0. | 1. | 7. | 56. | 205. | 392. | 577. | 540. | 368. | 138. | 2. | 0. | 2286. |