| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 42.0 | 47.4 | 55.3 | 63.7 | 72.8 | 84.3 | 88.6 | 85.9 | 79.0 | 67.1 | 52.3 | 43.4 | 65.2 |
| Highest Mean Max. Temperature (F) | 51.6 | 55.4 | 64.8 | 71.0 | 79.8 | 88.8 | 92.6 | 89.3 | 82.8 | 73.8 | 61.9 | 53.9 | 92.6 |
| Year Highest Occurred | 1986 | 1995 | 1972 | 1989 | 2000 | 1994 | 1972 | 1995 | 2000 | 1979 | 1999 | 1980 | 1972 |
| Lowest Mean Max. Temperature (F) | 33.0 | 41.1 | 45.3 | 55.5 | 67.3 | 79.3 | 83.6 | 82.4 | 73.7 | 56.9 | 44.4 | 35.4 | 33.0 |
| Year Lowest Occurred | 1992 | 1973 | 1973 | 1983 | 1995 | 1983 | 1999 | 1987 | 1986 | 1984 | 1972 | 1991 | 1992 |
| Mean Temperature (F) | 29.2 | 34.1 | 40.8 | 47.3 | 56.0 | 65.9 | 72.0 | 70.5 | 63.1 | 51.7 | 38.3 | 30.2 | 49.9 |
| Highest Mean Temperature (F) | 35.9 | 40.8 | 46.0 | 53.1 | 62.0 | 69.7 | 74.5 | 72.9 | 67.7 | 55.6 | 43.1 | 37.3 | 74.5 |
| Year Highest Occurred | 1986 | 1995 | 1972 | 1989 | 2000 | 1990 | 1971 | 2000 | 1998 | 1988 | 1999 | 1980 | 1971 |
| Lowest Mean Temperature (F) | 22.1 | 29.1 | 35.4 | 41.1 | 51.4 | 62.1 | 68.5 | 67.9 | 58.8 | 45.3 | 32.6 | 24.2 | 22.1 |
| Year Lowest Occurred | 1992 | 1985 | 1973 | 1983 | 1995 | 1998 | 1993 | 1974 | 1985 | 1984 | 2000 | 1990 | 1992 |
| Mean Min. Temperature (F) | 16.4 | 20.8 | 26.2 | 30.8 | 39.2 | 47.4 | 55.3 | 55.1 | 47.2 | 36.3 | 24.2 | 17.0 | 34.7 |
| Highest Mean Min. Temperature (F) | 24.5 | 26.2 | 29.9 | 36.4 | 44.6 | 51.4 | 59.0 | 57.7 | 52.5 | 42.4 | 29.2 | 23.8 | 59.0 |
| Year Highest Occurred | 1993 | 1995 | 1992 | 1992 | 1992 | 1988 | 1990 | 1982 | 1998 | 1972 | 1978 | 1983 | 1990 |
| Lowest Mean Min. Temperature (F) | 10.4 | 14.5 | 20.8 | 26.8 | 34.8 | 42.5 | 49.6 | 50.9 | 41.5 | 30.7 | 19.9 | 12.1 | 10.4 |
| Year Lowest Occurred | 1973 | 1984 | 1977 | 1983 | 1975 | 1998 | 1993 | 1974 | 1988 | 1995 | 2000 | 1976 | 1973 |
| Mean Precipitation (in.) | 0.76 | 0.81 | 1.04 | 0.66 | 0.61 | 0.30 | 1.50 | 1.73 | 1.14 | 1.17 | 0.97 | 0.90 | 11.59 |
| Highest Precipitation (in.) | 2.57 | 2.94 | 3.26 | 3.25 | 3.14 | 1.07 | 5.41 | 4.83 | 4.13 | 3.87 | 4.33 | 2.96 | 5.41 |
| Year Highest Occurred | 1993 | 1982 | 2000 | 1985 | 1992 | 1972 | 1999 | 1982 | 1986 | 1972 | 1978 | 1978 | 1999 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.23 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1999 | 1989 | 1997 | 1991 | 2000 | 1998 | 1994 | 1974 | 1989 | 1999 | 1999 | 1989 | 1999 |
| Heating Degree Days (F) | 1110. | 866. | 752. | 532. | 287. | 64. | 2. | 4. | 106. | 414. | 802. | 1080. | 6019. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 9. | 90. | 216. | 175. | 49. | 2. | 0. | 0. | 541. |