| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 51.9 | 57.8 | 66.2 | 74.7 | 82.8 | 90.0 | 91.9 | 90.0 | 83.4 | 74.4 | 61.6 | 53.2 | 73.2 |
| Highest Mean Max. Temperature (F) | 59.6 | 67.6 | 72.8 | 81.0 | 91.5 | 97.1 | 98.0 | 95.3 | 91.3 | 80.6 | 70.8 | 60.6 | 98.0 |
| Year Highest Occurred | 1986 | 1999 | 1974 | 1972 | 1996 | 1990 | 1980 | 2000 | 1977 | 1979 | 1999 | 1996 | 1980 |
| Lowest Mean Max. Temperature (F) | 41.2 | 43.1 | 61.9 | 65.7 | 77.2 | 84.1 | 84.4 | 83.7 | 73.9 | 67.3 | 52.8 | 42.3 | 41.2 |
| Year Lowest Occurred | 1979 | 1978 | 1987 | 1997 | 1992 | 2000 | 1976 | 1971 | 1974 | 1976 | 1972 | 1983 | 1979 |
| Mean Temperature (F) | 38.1 | 43.3 | 51.2 | 60.0 | 69.2 | 77.1 | 79.8 | 78.0 | 70.9 | 60.7 | 48.1 | 39.7 | 59.7 |
| Highest Mean Temperature (F) | 44.0 | 50.4 | 57.3 | 64.7 | 76.8 | 83.3 | 84.0 | 81.4 | 76.9 | 64.2 | 54.4 | 44.3 | 84.0 |
| Year Highest Occurred | 1998 | 2000 | 1974 | 1972 | 1996 | 1990 | 1998 | 1999 | 1977 | 1998 | 1999 | 1980 | 1998 |
| Lowest Mean Temperature (F) | 30.2 | 32.5 | 47.4 | 53.8 | 65.2 | 73.3 | 74.5 | 73.0 | 63.5 | 53.3 | 41.3 | 30.5 | 30.2 |
| Year Lowest Occurred | 1979 | 1978 | 1987 | 1997 | 1976 | 1989 | 1976 | 1971 | 1974 | 1976 | 1972 | 1983 | 1979 |
| Mean Min. Temperature (F) | 24.4 | 28.9 | 36.2 | 45.4 | 55.6 | 64.1 | 67.7 | 66.0 | 58.4 | 47.0 | 34.5 | 26.1 | 46.2 |
| Highest Mean Min. Temperature (F) | 29.6 | 34.2 | 41.8 | 51.3 | 62.0 | 69.5 | 70.7 | 68.5 | 62.6 | 52.3 | 40.1 | 31.5 | 70.7 |
| Year Highest Occurred | 1998 | 1992 | 1974 | 1981 | 1996 | 1990 | 1998 | 1980 | 1998 | 1998 | 1998 | 1991 | 1998 |
| Lowest Mean Min. Temperature (F) | 18.5 | 21.9 | 31.5 | 39.7 | 50.2 | 59.1 | 64.4 | 62.4 | 53.0 | 39.2 | 27.3 | 18.7 | 18.5 |
| Year Lowest Occurred | 1977 | 1978 | 1996 | 1983 | 1976 | 1983 | 1975 | 1971 | 1974 | 1976 | 1976 | 1989 | 1977 |
| Mean Precipitation (in.) | 0.50 | 0.71 | 0.76 | 1.29 | 2.31 | 2.98 | 2.13 | 2.36 | 2.57 | 1.70 | 0.71 | 0.67 | 18.69 |
| Highest Precipitation (in.) | 2.75 | 2.14 | 2.95 | 5.79 | 5.25 | 8.48 | 7.20 | 5.41 | 8.17 | 10.80 | 2.29 | 2.24 | 10.80 |
| Year Highest Occurred | 1983 | 1990 | 1979 | 1997 | 1992 | 2000 | 1976 | 1981 | 1995 | 1983 | 1980 | 1991 | 1983 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.04 | 0.04 | 0.00 | 0.15 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 2000 | 1999 | 1972 | 1989 | 1998 | 1990 | 1978 | 2000 | 2000 | 1992 | 1999 | 1973 | 2000 |
| Heating Degree Days (F) | 818. | 592. | 419. | 182. | 38. | 2. | 0. | 0. | 33. | 163. | 491. | 770. | 3508. |
| Cooling Degree Days (F) | 0. | 0. | 7. | 48. | 179. | 381. | 472. | 413. | 223. | 46. | 0. | 0. | 1769. |