| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 50.7 | 56.0 | 63.7 | 71.7 | 80.3 | 88.8 | 91.0 | 88.5 | 82.2 | 72.6 | 60.4 | 51.8 | 71.5 |
| Highest Mean Max. Temperature (F) | 58.3 | 65.1 | 72.7 | 77.7 | 89.1 | 97.4 | 97.4 | 93.4 | 90.0 | 78.7 | 69.2 | 58.9 | 97.4 |
| Year Highest Occurred | 1986 | 2000 | 1972 | 1978 | 1996 | 1990 | 1980 | 2000 | 1998 | 1979 | 1999 | 1980 | 1990 |
| Lowest Mean Max. Temperature (F) | 40.8 | 46.2 | 59.5 | 63.3 | 75.1 | 83.9 | 85.7 | 83.4 | 73.3 | 66.6 | 51.7 | 43.3 | 40.8 |
| Year Lowest Occurred | 1979 | 1978 | 1987 | 1997 | 1992 | 1986 | 1975 | 1971 | 1974 | 1976 | 1972 | 1983 | 1979 |
| Mean Temperature (F) | 37.9 | 42.3 | 49.0 | 56.8 | 65.9 | 74.4 | 77.5 | 75.6 | 68.7 | 58.4 | 46.8 | 38.9 | 57.7 |
| Highest Mean Temperature (F) | 42.9 | 49.1 | 55.4 | 61.7 | 72.8 | 80.9 | 82.5 | 79.0 | 75.0 | 62.5 | 52.7 | 45.1 | 82.5 |
| Year Highest Occurred | 2000 | 2000 | 1972 | 1981 | 1996 | 1980 | 1980 | 2000 | 1998 | 1979 | 1999 | 1980 | 1980 |
| Lowest Mean Temperature (F) | 30.3 | 35.7 | 44.8 | 50.4 | 62.1 | 71.0 | 72.9 | 72.0 | 61.0 | 51.9 | 39.9 | 31.0 | 30.3 |
| Year Lowest Occurred | 1979 | 1978 | 1987 | 1973 | 1976 | 1989 | 1975 | 1971 | 1974 | 1976 | 1972 | 1983 | 1979 |
| Mean Min. Temperature (F) | 25.0 | 28.6 | 34.2 | 41.8 | 51.4 | 60.0 | 63.9 | 62.6 | 55.2 | 44.1 | 33.2 | 25.9 | 43.8 |
| Highest Mean Min. Temperature (F) | 28.9 | 33.7 | 38.5 | 48.1 | 56.5 | 65.0 | 67.6 | 65.3 | 59.9 | 48.7 | 39.5 | 31.4 | 67.6 |
| Year Highest Occurred | 1999 | 1983 | 1981 | 1981 | 1996 | 1980 | 1980 | 1980 | 1998 | 1998 | 1981 | 1980 | 1980 |
| Lowest Mean Min. Temperature (F) | 19.7 | 23.4 | 28.1 | 36.5 | 47.2 | 56.1 | 60.1 | 58.8 | 48.6 | 37.2 | 28.2 | 18.8 | 18.8 |
| Year Lowest Occurred | 1979 | 1988 | 1988 | 1973 | 1975 | 1976 | 1975 | 1974 | 1974 | 1976 | 1972 | 1983 | 1983 |
| Mean Precipitation (in.) | 0.48 | 0.41 | 0.66 | 1.03 | 1.92 | 2.62 | 2.59 | 3.43 | 2.17 | 1.75 | 0.74 | 0.70 | 18.50 |
| Highest Precipitation (in.) | 1.77 | 1.45 | 2.54 | 5.21 | 4.92 | 5.56 | 7.24 | 10.53 | 4.49 | 7.17 | 2.72 | 3.17 | 10.53 |
| Year Highest Occurred | 1999 | 1990 | 1985 | 1997 | 1995 | 1984 | 1991 | 1996 | 1985 | 1998 | 1986 | 1991 | 1996 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.05 | 0.00 | 0.52 | 0.43 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1998 | 1999 | 1996 | 1996 | 2000 | 1990 | 1995 | 1973 | 2000 | 1975 | 1995 | 1981 | 1998 |
| Heating Degree Days (F) | 842. | 636. | 497. | 265. | 80. | 7. | 0. | 1. | 52. | 219. | 547. | 809. | 3955. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 18. | 107. | 289. | 387. | 328. | 163. | 13. | 0. | 0. | 1305. |