| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 65.0 | 66.2 | 66.8 | 71.9 | 75.1 | 83.0 | 88.6 | 89.4 | 86.4 | 79.4 | 71.2 | 65.4 | 75.7 |
| Highest Mean Max. Temperature (F) | 72.0 | 72.7 | 75.4 | 78.4 | 86.2 | 89.6 | 92.9 | 94.6 | 94.8 | 88.2 | 77.3 | 71.1 | 94.8 |
| Year Highest Occurred | 1986 | 1991 | 1997 | 1996 | 1984 | 1981 | 1984 | 1994 | 1984 | 1999 | 1995 | 1989 | 1984 |
| Lowest Mean Max. Temperature (F) | 57.6 | 59.8 | 56.9 | 61.6 | 67.0 | 73.6 | 82.0 | 85.1 | 77.8 | 72.6 | 65.7 | 56.9 | 56.9 |
| Year Lowest Occurred | 1979 | 1998 | 1973 | 1975 | 1980 | 1982 | 1993 | 1989 | 1976 | 1972 | 1985 | 1971 | 1971 |
| Mean Temperature (F) | 54.1 | 55.2 | 55.8 | 59.5 | 62.9 | 69.3 | 74.7 | 75.9 | 73.5 | 66.8 | 59.0 | 54.3 | 63.4 |
| Highest Mean Temperature (F) | 60.3 | 60.6 | 60.7 | 65.2 | 70.3 | 74.8 | 79.0 | 81.4 | 80.3 | 73.4 | 65.1 | 58.8 | 81.4 |
| Year Highest Occurred | 1986 | 1995 | 1997 | 1989 | 1997 | 1981 | 1984 | 1998 | 1984 | 1999 | 1995 | 1980 | 1998 |
| Lowest Mean Temperature (F) | 48.7 | 51.3 | 48.8 | 52.0 | 56.8 | 62.8 | 68.8 | 72.1 | 66.2 | 62.0 | 54.3 | 46.8 | 46.8 |
| Year Lowest Occurred | 1973 | 1979 | 1973 | 1975 | 1977 | 1982 | 1987 | 1987 | 1986 | 1972 | 1994 | 1971 | 1971 |
| Mean Min. Temperature (F) | 43.1 | 44.1 | 44.7 | 47.1 | 50.7 | 55.6 | 60.7 | 62.3 | 60.6 | 54.2 | 46.8 | 43.1 | 51.1 |
| Highest Mean Min. Temperature (F) | 48.6 | 50.7 | 48.5 | 51.9 | 57.0 | 60.1 | 65.1 | 68.7 | 66.5 | 60.4 | 52.9 | 49.1 | 68.7 |
| Year Highest Occurred | 1986 | 1995 | 1978 | 1989 | 1997 | 1990 | 1984 | 1998 | 1997 | 1991 | 1995 | 1977 | 1998 |
| Lowest Mean Min. Temperature (F) | 37.8 | 40.0 | 38.4 | 42.3 | 45.4 | 50.2 | 55.1 | 56.8 | 52.7 | 49.3 | 42.1 | 36.7 | 36.7 |
| Year Lowest Occurred | 1973 | 1979 | 1977 | 1975 | 1977 | 1975 | 1987 | 1976 | 1973 | 1975 | 1973 | 1971 | 1971 |
| Mean Precipitation (in.) | 3.49 | 3.44 | 3.92 | 1.26 | 0.47 | 0.20 | 0.16 | 0.27 | 0.42 | 0.85 | 1.72 | 1.99 | 18.19 |
| Highest Precipitation (in.) | 15.24 | 12.96 | 12.69 | 3.60 | 2.45 | 2.20 | 1.86 | 3.09 | 4.36 | 3.94 | 7.41 | 5.55 | 15.24 |
| Year Highest Occurred | 1993 | 1998 | 1991 | 1988 | 1977 | 1972 | 1984 | 1977 | 1976 | 1974 | 1985 | 1971 | 1993 |
| 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 | 1976 | 1984 | 1972 | 1993 | 1986 | 1996 | 2000 | 1999 | 1994 | 1999 | 1991 | 2000 | 1976 |
| Heating Degree Days (F) | 344. | 285. | 283. | 200. | 140. | 46. | 8. | 5. | 21. | 67. | 206. | 342. | 1947. |
| Cooling Degree Days (F) | 0. | 4. | 12. | 35. | 76. | 174. | 306. | 341. | 276. | 123. | 26. | 9. | 1382. |