| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 55.6 | 59.2 | 61.9 | 68.0 | 76.8 | 86.8 | 94.1 | 93.5 | 87.8 | 77.7 | 63.0 | 56.1 | 73.4 |
| Highest Mean Max. Temperature (F) | 60.2 | 71.1 | 70.5 | 75.7 | 85.1 | 93.7 | 98.5 | 98.2 | 93.8 | 84.5 | 70.7 | 62.7 | 98.5 |
| Year Highest Occurred | 1994 | 1991 | 1997 | 1977 | 1997 | 1981 | 1984 | 1971 | 1974 | 1978 | 1980 | 1976 | 1984 |
| Lowest Mean Max. Temperature (F) | 51.6 | 52.0 | 54.9 | 58.8 | 66.7 | 80.6 | 88.2 | 84.7 | 79.2 | 71.2 | 54.4 | 50.1 | 50.1 |
| Year Lowest Occurred | 1972 | 1998 | 1991 | 1975 | 1998 | 1995 | 2000 | 1976 | 1985 | 1984 | 1994 | 1971 | 1971 |
| Mean Temperature (F) | 43.8 | 46.5 | 49.2 | 53.9 | 61.0 | 68.8 | 75.2 | 74.3 | 69.0 | 60.0 | 49.1 | 43.6 | 57.9 |
| Highest Mean Temperature (F) | 48.2 | 52.6 | 54.5 | 59.5 | 68.2 | 73.9 | 78.8 | 78.1 | 74.0 | 64.9 | 54.5 | 48.5 | 78.8 |
| Year Highest Occurred | 1986 | 1991 | 1972 | 1989 | 1992 | 1981 | 1996 | 1971 | 1991 | 1991 | 1995 | 1977 | 1996 |
| Lowest Mean Temperature (F) | 40.0 | 41.9 | 44.7 | 46.1 | 54.4 | 64.6 | 68.2 | 68.5 | 60.8 | 54.2 | 42.7 | 38.5 | 38.5 |
| Year Lowest Occurred | 1972 | 1990 | 1991 | 1975 | 1977 | 1980 | 1987 | 1976 | 1986 | 1984 | 1994 | 1990 | 1990 |
| Mean Min. Temperature (F) | 32.0 | 33.7 | 36.4 | 39.8 | 45.1 | 50.8 | 56.2 | 55.0 | 50.2 | 42.2 | 35.2 | 31.1 | 42.3 |
| Highest Mean Min. Temperature (F) | 38.4 | 38.7 | 42.8 | 43.9 | 51.6 | 54.0 | 59.5 | 59.3 | 55.1 | 46.8 | 39.1 | 37.4 | 59.5 |
| Year Highest Occurred | 1995 | 1992 | 1978 | 1989 | 1992 | 1981 | 1990 | 1983 | 1991 | 1991 | 1995 | 1983 | 1990 |
| Lowest Mean Min. Temperature (F) | 27.9 | 28.3 | 31.1 | 33.5 | 40.4 | 46.8 | 47.9 | 51.4 | 42.2 | 37.2 | 29.5 | 23.9 | 23.9 |
| Year Lowest Occurred | 1989 | 1990 | 1987 | 1975 | 1991 | 1980 | 1987 | 1985 | 1986 | 1984 | 1986 | 1990 | 1990 |
| Mean Precipitation (in.) | 6.39 | 5.76 | 5.65 | 2.49 | 1.22 | 0.26 | 0.07 | 0.14 | 0.57 | 1.84 | 3.83 | 4.26 | 32.48 |
| Highest Precipitation (in.) | 17.13 | 14.86 | 14.59 | 7.14 | 5.49 | 2.49 | 1.18 | 1.98 | 3.50 | 5.91 | 12.72 | 15.05 | 17.13 |
| Year Highest Occurred | 1995 | 1986 | 1995 | 1978 | 1996 | 1995 | 1974 | 1976 | 1978 | 1982 | 1983 | 1996 | 1995 |
| Lowest Precipitation (in.) | 0.25 | 0.52 | 0.22 | 0.31 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.27 | 0.00 | 0.00 |
| Year Lowest Occurred | 1991 | 1997 | 1972 | 1992 | 1985 | 1997 | 2000 | 1998 | 1995 | 1990 | 1992 | 1989 | 1985 |
| Heating Degree Days (F) | 656. | 519. | 492. | 345. | 184. | 31. | 4. | 3. | 48. | 195. | 477. | 664. | 3618. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 12. | 58. | 146. | 318. | 290. | 167. | 39. | 0. | 0. | 1030. |