| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 61.0 | 64.4 | 68.6 | 76.8 | 85.4 | 95.8 | 98.1 | 96.0 | 92.4 | 82.1 | 69.6 | 61.7 | 79.3 |
| Highest Mean Max. Temperature (F) | 68.6 | 69.9 | 80.0 | 84.8 | 92.3 | 101.7 | 101.3 | 99.2 | 97.6 | 88.4 | 79.6 | 70.2 | 101.7 |
| Year Highest Occurred | 1986 | 1999 | 1972 | 1989 | 2000 | 1974 | 1980 | 1998 | 1979 | 1999 | 1999 | 1980 | 1974 |
| Lowest Mean Max. Temperature (F) | 52.5 | 56.5 | 60.1 | 69.2 | 79.5 | 90.0 | 94.6 | 91.6 | 87.1 | 74.7 | 61.7 | 55.1 | 52.5 |
| Year Lowest Occurred | 1988 | 1998 | 1991 | 1983 | 1995 | 1991 | 1990 | 1984 | 1985 | 1971 | 2000 | 1971 | 1988 |
| Mean Temperature (F) | 52.0 | 54.9 | 58.3 | 65.5 | 73.6 | 83.9 | 86.8 | 85.2 | 81.6 | 71.8 | 60.0 | 52.7 | 68.9 |
| Highest Mean Temperature (F) | 60.2 | 60.4 | 68.6 | 73.8 | 79.4 | 87.9 | 90.1 | 88.3 | 85.7 | 76.7 | 68.5 | 59.3 | 90.1 |
| Year Highest Occurred | 1986 | 1991 | 1972 | 1989 | 1984 | 1974 | 1972 | 1994 | 1979 | 1999 | 1999 | 1980 | 1972 |
| Lowest Mean Temperature (F) | 46.8 | 47.4 | 51.0 | 58.5 | 67.6 | 79.4 | 81.2 | 81.9 | 75.7 | 65.2 | 52.6 | 48.2 | 46.8 |
| Year Lowest Occurred | 1979 | 1998 | 1973 | 1975 | 1975 | 1991 | 1986 | 1984 | 1985 | 1971 | 2000 | 1987 | 1979 |
| Mean Min. Temperature (F) | 42.9 | 45.4 | 47.9 | 54.2 | 61.7 | 71.9 | 75.4 | 74.3 | 70.7 | 61.4 | 50.3 | 43.7 | 58.3 |
| Highest Mean Min. Temperature (F) | 51.7 | 52.3 | 57.2 | 62.8 | 68.6 | 76.6 | 79.2 | 78.5 | 74.8 | 67.1 | 57.4 | 48.7 | 79.2 |
| Year Highest Occurred | 1986 | 1995 | 1972 | 1989 | 1997 | 1994 | 1972 | 1994 | 2000 | 1987 | 1999 | 1995 | 1972 |
| Lowest Mean Min. Temperature (F) | 36.0 | 38.2 | 40.6 | 44.4 | 54.2 | 68.0 | 67.2 | 71.6 | 64.3 | 54.7 | 43.4 | 39.2 | 36.0 |
| Year Lowest Occurred | 1975 | 1998 | 1973 | 1975 | 1975 | 1982 | 1986 | 1971 | 1985 | 1976 | 2000 | 1978 | 1975 |
| Mean Precipitation (in.) | 2.25 | 2.33 | 2.45 | 0.74 | 0.48 | 0.30 | 1.90 | 2.82 | 1.79 | 1.48 | 1.73 | 1.97 | 20.24 |
| Highest Precipitation (in.) | 11.29 | 6.40 | 7.48 | 2.91 | 2.60 | 1.68 | 5.81 | 9.45 | 5.36 | 8.68 | 5.63 | 6.57 | 11.29 |
| Year Highest Occurred | 1993 | 1998 | 1992 | 1999 | 1992 | 1972 | 1999 | 1990 | 1983 | 1972 | 1978 | 1978 | 1993 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.04 | 0.71 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1972 | 1984 | 1984 | 2000 | 2000 | 1999 | 1995 | 2000 | 2000 | 1999 | 1999 | 1981 | 1972 |
| Heating Degree Days (F) | 409. | 293. | 256. | 102. | 22. | 0. | 0. | 0. | 0. | 37. | 202. | 389. | 1710. |
| Cooling Degree Days (F) | 5. | 11. | 47. | 117. | 288. | 566. | 674. | 625. | 496. | 245. | 50. | 7. | 3131. |