| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 56.4 | 62.1 | 70.8 | 78.7 | 86.2 | 91.6 | 94.0 | 92.6 | 86.2 | 77.7 | 66.2 | 58.2 | 76.7 |
| Highest Mean Max. Temperature (F) | 63.4 | 71.2 | 79.3 | 85.4 | 94.0 | 98.5 | 100.5 | 97.5 | 95.2 | 86.4 | 73.6 | 64.2 | 100.5 |
| Year Highest Occurred | 1998 | 1976 | 1974 | 1978 | 1998 | 1998 | 1980 | 1982 | 1977 | 1979 | 1981 | 1981 | 1980 |
| Lowest Mean Max. Temperature (F) | 46.7 | 54.1 | 61.9 | 68.4 | 81.1 | 87.0 | 83.9 | 85.2 | 76.3 | 69.1 | 56.6 | 46.8 | 46.7 |
| Year Lowest Occurred | 1979 | 1973 | 1987 | 1997 | 1992 | 2000 | 1976 | 1971 | 1974 | 1976 | 2000 | 1983 | 1979 |
| Mean Temperature (F) | 41.6 | 46.6 | 54.4 | 62.6 | 71.5 | 78.2 | 81.0 | 79.7 | 73.3 | 63.7 | 51.5 | 43.5 | 62.3 |
| Highest Mean Temperature (F) | 47.2 | 53.3 | 61.0 | 67.5 | 79.4 | 84.0 | 85.8 | 83.7 | 78.9 | 68.4 | 56.4 | 47.7 | 85.8 |
| Year Highest Occurred | 1998 | 2000 | 1974 | 1986 | 1996 | 1990 | 1980 | 1982 | 1977 | 1979 | 1999 | 1981 | 1980 |
| Lowest Mean Temperature (F) | 34.0 | 39.7 | 47.8 | 55.1 | 66.9 | 75.1 | 74.2 | 74.1 | 65.9 | 54.4 | 45.2 | 33.7 | 33.7 |
| Year Lowest Occurred | 1979 | 1978 | 1987 | 1973 | 1976 | 1997 | 1976 | 1971 | 1974 | 1976 | 1976 | 1983 | 1983 |
| Mean Min. Temperature (F) | 26.7 | 31.1 | 37.9 | 46.4 | 56.7 | 64.8 | 68.0 | 66.7 | 60.3 | 49.6 | 36.8 | 28.7 | 47.8 |
| Highest Mean Min. Temperature (F) | 31.8 | 37.0 | 42.8 | 51.6 | 65.1 | 70.5 | 72.2 | 69.9 | 65.5 | 55.7 | 43.1 | 35.6 | 72.2 |
| Year Highest Occurred | 2000 | 2000 | 1982 | 1986 | 1996 | 1990 | 1998 | 1982 | 1983 | 1998 | 1998 | 1984 | 1998 |
| Lowest Mean Min. Temperature (F) | 21.2 | 24.9 | 32.6 | 39.0 | 51.4 | 60.9 | 64.3 | 62.9 | 53.9 | 39.7 | 30.7 | 20.5 | 20.5 |
| Year Lowest Occurred | 1979 | 1978 | 1977 | 1973 | 1976 | 1973 | 1975 | 1971 | 1975 | 1976 | 1976 | 1983 | 1983 |
| Mean Precipitation (in.) | 0.73 | 0.71 | 0.70 | 1.14 | 2.18 | 1.91 | 1.86 | 2.02 | 2.97 | 1.66 | 0.75 | 0.69 | 17.32 |
| Highest Precipitation (in.) | 2.34 | 2.95 | 5.21 | 4.09 | 5.86 | 4.86 | 8.06 | 5.59 | 9.76 | 9.31 | 3.11 | 3.14 | 9.76 |
| Year Highest Occurred | 1992 | 1989 | 2000 | 1997 | 1992 | 1977 | 1976 | 1992 | 1980 | 1986 | 1984 | 1991 | 1980 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.08 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1999 | 1999 | 1991 | 2000 | 1974 | 1998 | 1999 | 2000 | 1998 | 1996 | 1999 | 1999 | 1999 |
| Heating Degree Days (F) | 727. | 516. | 337. | 140. | 34. | 0. | 0. | 0. | 16. | 113. | 412. | 668. | 2963. |
| Cooling Degree Days (F) | 0. | 0. | 6. | 67. | 234. | 396. | 496. | 454. | 262. | 71. | 7. | 0. | 1993. |