| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 65.4 | 67.3 | 68.6 | 74.9 | 79.2 | 87.7 | 94.4 | 94.7 | 89.8 | 81.5 | 72.9 | 66.5 | 78.6 |
| Highest Mean Max. Temperature (F) | 72.4 | 76.9 | 78.6 | 84.0 | 89.1 | 94.5 | 98.1 | 100.5 | 98.3 | 90.1 | 79.8 | 73.6 | 100.5 |
| Year Highest Occurred | 1994 | 1991 | 1997 | 1987 | 1984 | 1981 | 1980 | 1998 | 1979 | 1999 | 1995 | 1980 | 1998 |
| Lowest Mean Max. Temperature (F) | 57.9 | 60.5 | 60.9 | 63.4 | 70.5 | 75.5 | 87.7 | 90.1 | 80.3 | 74.1 | 65.2 | 57.7 | 57.7 |
| Year Lowest Occurred | 1979 | 1998 | 1973 | 1975 | 1977 | 1982 | 1993 | 1989 | 1976 | 2000 | 1985 | 1971 | 1971 |
| Mean Temperature (F) | 52.9 | 54.9 | 56.6 | 61.3 | 65.9 | 72.2 | 78.0 | 78.4 | 74.6 | 66.9 | 58.6 | 53.2 | 64.5 |
| Highest Mean Temperature (F) | 58.8 | 61.5 | 62.9 | 67.3 | 73.7 | 77.3 | 81.6 | 83.5 | 80.9 | 72.2 | 63.8 | 57.1 | 83.5 |
| Year Highest Occurred | 1986 | 1991 | 1997 | 1987 | 1997 | 1981 | 1984 | 1998 | 1984 | 1991 | 1995 | 2000 | 1998 |
| Lowest Mean Temperature (F) | 48.2 | 51.5 | 50.7 | 53.4 | 59.5 | 64.6 | 73.7 | 73.9 | 69.0 | 61.9 | 53.1 | 46.6 | 46.6 |
| Year Lowest Occurred | 1979 | 1998 | 1973 | 1975 | 1977 | 1982 | 1987 | 1976 | 1986 | 1972 | 1994 | 1971 | 1971 |
| Mean Min. Temperature (F) | 40.4 | 42.5 | 44.5 | 47.6 | 52.5 | 56.7 | 61.5 | 62.1 | 59.4 | 52.3 | 44.2 | 39.8 | 50.3 |
| Highest Mean Min. Temperature (F) | 46.3 | 48.0 | 49.3 | 53.1 | 58.4 | 60.0 | 67.2 | 66.4 | 66.6 | 57.3 | 48.5 | 46.6 | 67.2 |
| Year Highest Occurred | 1986 | 1995 | 1986 | 1992 | 1997 | 1981 | 1984 | 1998 | 1984 | 1991 | 1997 | 1977 | 1984 |
| Lowest Mean Min. Temperature (F) | 33.2 | 36.1 | 39.5 | 42.4 | 48.4 | 52.7 | 56.7 | 56.9 | 53.5 | 47.2 | 38.2 | 35.6 | 33.2 |
| Year Lowest Occurred | 1972 | 1974 | 1977 | 1974 | 1977 | 1975 | 1973 | 1976 | 1980 | 1971 | 1994 | 1971 | 1972 |
| Mean Precipitation (in.) | 2.98 | 3.04 | 2.58 | 0.81 | 0.42 | 0.13 | 0.10 | 0.22 | 0.42 | 0.50 | 0.91 | 1.51 | 13.62 |
| Highest Precipitation (in.) | 11.69 | 12.10 | 7.56 | 3.37 | 3.11 | 1.09 | 0.78 | 2.55 | 3.81 | 2.66 | 3.18 | 5.13 | 12.10 |
| Year Highest Occurred | 1993 | 1998 | 1991 | 1988 | 1977 | 1993 | 1979 | 1983 | 1976 | 1987 | 1982 | 1984 | 1998 |
| 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 | 1997 | 1997 | 1993 | 1997 | 2000 | 2000 | 1999 | 1999 | 1999 | 1992 | 1989 | 1976 |
| Heating Degree Days (F) | 375. | 287. | 282. | 172. | 102. | 22. | 0. | 0. | 8. | 67. | 219. | 370. | 1904. |
| Cooling Degree Days (F) | 0. | 3. | 20. | 59. | 128. | 238. | 400. | 415. | 297. | 126. | 25. | 3. | 1714. |