| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 59.9 | 65.0 | 69.8 | 77.7 | 86.6 | 97.2 | 100.4 | 97.7 | 92.2 | 81.5 | 68.5 | 59.5 | 79.7 |
| Highest Mean Max. Temperature (F) | 68.4 | 72.7 | 81.7 | 88.0 | 95.0 | 103.9 | 103.9 | 101.6 | 97.6 | 88.2 | 74.8 | 67.0 | 103.9 |
| Year Highest Occurred | 1986 | 1991 | 1972 | 1989 | 1984 | 1974 | 1980 | 1994 | 1979 | 1988 | 1999 | 1980 | 1974 |
| Lowest Mean Max. Temperature (F) | 50.6 | 55.8 | 57.7 | 69.7 | 80.5 | 91.8 | 94.4 | 93.9 | 85.8 | 74.0 | 59.4 | 53.0 | 50.6 |
| Year Lowest Occurred | 1979 | 1998 | 1973 | 1983 | 1995 | 1998 | 1999 | 1990 | 1986 | 1971 | 2000 | 1971 | 1979 |
| Mean Temperature (F) | 42.8 | 47.1 | 52.0 | 58.5 | 66.7 | 75.8 | 81.9 | 80.1 | 73.6 | 62.1 | 49.9 | 42.5 | 61.1 |
| Highest Mean Temperature (F) | 47.9 | 52.7 | 58.2 | 65.9 | 71.8 | 80.1 | 84.4 | 83.8 | 76.3 | 68.1 | 55.3 | 47.9 | 84.4 |
| Year Highest Occurred | 1986 | 1995 | 1972 | 1989 | 1997 | 1981 | 1996 | 1994 | 1983 | 1988 | 1995 | 1980 | 1996 |
| Lowest Mean Temperature (F) | 37.5 | 42.7 | 44.9 | 50.7 | 62.6 | 71.3 | 78.6 | 77.4 | 69.2 | 56.1 | 43.8 | 37.8 | 37.5 |
| Year Lowest Occurred | 1979 | 1974 | 1973 | 1975 | 1971 | 1998 | 1987 | 1990 | 1985 | 1971 | 2000 | 1990 | 1979 |
| Mean Min. Temperature (F) | 25.6 | 29.2 | 34.2 | 39.2 | 46.7 | 54.3 | 63.4 | 62.5 | 55.0 | 42.6 | 31.2 | 25.4 | 42.4 |
| Highest Mean Min. Temperature (F) | 32.4 | 35.1 | 38.6 | 44.1 | 51.4 | 59.0 | 67.0 | 65.9 | 59.6 | 48.2 | 36.1 | 31.1 | 67.0 |
| Year Highest Occurred | 1993 | 1996 | 1978 | 1990 | 1992 | 2000 | 1996 | 1995 | 1997 | 1987 | 1995 | 1991 | 1996 |
| Lowest Mean Min. Temperature (F) | 20.0 | 20.8 | 27.0 | 31.3 | 42.1 | 50.2 | 58.2 | 58.5 | 48.5 | 35.8 | 26.2 | 20.0 | 20.0 |
| Year Lowest Occurred | 1972 | 1974 | 1977 | 1975 | 1975 | 1982 | 1987 | 1974 | 1973 | 1982 | 1979 | 1990 | 1972 |
| Mean Precipitation (in.) | 1.26 | 1.40 | 1.47 | 0.69 | 0.43 | 0.33 | 1.58 | 2.11 | 1.80 | 1.30 | 1.06 | 1.06 | 14.49 |
| Highest Precipitation (in.) | 6.59 | 3.53 | 3.64 | 3.53 | 2.07 | 2.00 | 6.01 | 6.54 | 6.08 | 6.81 | 4.11 | 3.65 | 6.81 |
| Year Highest Occurred | 1993 | 1980 | 1973 | 1988 | 1992 | 1972 | 1990 | 1992 | 1999 | 1972 | 1978 | 1992 | 1972 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.22 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1996 | 1984 | 1997 | 1993 | 1996 | 1998 | 1993 | 1975 | 2000 | 1999 | 1999 | 1999 | 1996 |
| Heating Degree Days (F) | 691. | 501. | 409. | 233. | 68. | 4. | 0. | 0. | 5. | 149. | 455. | 699. | 3214. |
| Cooling Degree Days (F) | 0. | 0. | 6. | 36. | 120. | 326. | 524. | 469. | 262. | 58. | 0. | 0. | 1801. |