| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 42.2 | 50.8 | 61.5 | 70.3 | 79.8 | 91.2 | 96.4 | 94.6 | 85.3 | 72.4 | 55.6 | 43.9 | 70.3 |
| Highest Mean Max. Temperature (F) | 51.4 | 61.0 | 70.3 | 78.3 | 86.4 | 97.6 | 100.7 | 101.1 | 90.5 | 78.3 | 64.4 | 52.6 | 101.1 |
| Year Highest Occurred | 1981 | 1995 | 1998 | 2000 | 1996 | 1974 | 1974 | 1974 | 1979 | 1973 | 1999 | 1980 | 1974 |
| Lowest Mean Max. Temperature (F) | 31.1 | 39.0 | 52.4 | 59.9 | 72.6 | 84.6 | 92.4 | 89.6 | 76.8 | 64.6 | 47.1 | 35.5 | 31.1 |
| Year Lowest Occurred | 1974 | 1974 | 1973 | 1975 | 1975 | 1986 | 1981 | 1976 | 1985 | 1984 | 1986 | 1978 | 1974 |
| Mean Temperature (F) | 31.4 | 38.4 | 47.5 | 55.1 | 64.4 | 74.5 | 79.8 | 79.0 | 69.7 | 57.0 | 42.5 | 32.5 | 56.0 |
| Highest Mean Temperature (F) | 38.1 | 46.2 | 52.7 | 60.7 | 70.0 | 79.2 | 82.3 | 85.2 | 73.3 | 61.1 | 47.3 | 38.8 | 85.2 |
| Year Highest Occurred | 1980 | 1995 | 1972 | 2000 | 2000 | 1974 | 1996 | 1974 | 1998 | 1988 | 1999 | 1977 | 1974 |
| Lowest Mean Temperature (F) | 21.2 | 28.9 | 42.8 | 49.2 | 58.8 | 69.7 | 74.9 | 75.0 | 63.2 | 51.4 | 35.7 | 24.3 | 21.2 |
| Year Lowest Occurred | 1973 | 1974 | 1973 | 1983 | 1986 | 1986 | 1986 | 1980 | 1985 | 1980 | 1986 | 1990 | 1973 |
| Mean Min. Temperature (F) | 20.5 | 26.0 | 33.4 | 39.9 | 49.0 | 57.7 | 63.1 | 63.3 | 54.1 | 41.5 | 29.3 | 21.1 | 41.6 |
| Highest Mean Min. Temperature (F) | 30.0 | 33.3 | 37.8 | 44.0 | 54.1 | 62.1 | 67.9 | 69.3 | 59.2 | 47.2 | 34.5 | 28.4 | 69.3 |
| Year Highest Occurred | 1980 | 1976 | 1974 | 1992 | 1974 | 2000 | 1984 | 1974 | 1990 | 1974 | 1978 | 1984 | 1974 |
| Lowest Mean Min. Temperature (F) | 7.7 | 18.0 | 28.3 | 34.5 | 44.2 | 52.8 | 56.8 | 57.9 | 47.9 | 33.9 | 22.7 | 12.8 | 7.7 |
| Year Lowest Occurred | 1973 | 1998 | 1988 | 1983 | 1986 | 1983 | 1986 | 1982 | 1982 | 1980 | 1976 | 1990 | 1973 |
| Mean Precipitation (in.) | 0.91 | 0.79 | 0.80 | 0.66 | 0.49 | 0.23 | 0.66 | 0.72 | 0.69 | 1.13 | 0.70 | 0.74 | 8.52 |
| Highest Precipitation (in.) | 3.61 | 2.58 | 2.77 | 1.71 | 1.62 | 1.17 | 1.97 | 2.12 | 2.47 | 5.47 | 2.39 | 2.66 | 5.47 |
| Year Highest Occurred | 1993 | 1993 | 1973 | 1994 | 1992 | 1973 | 1985 | 1999 | 1976 | 1972 | 1986 | 1972 | 1972 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1982 | 1999 | 1999 | 1992 | 2000 | 1998 | 1994 | 1985 | 1979 | 1999 | 1997 | 1998 | 1982 |
| Heating Degree Days (F) | 1043. | 746. | 544. | 309. | 107. | 8. | 0. | 0. | 31. | 262. | 676. | 1008. | 4734. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 12. | 88. | 292. | 457. | 432. | 171. | 12. | 0. | 0. | 1464. |