| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 42.7 | 51.0 | 60.2 | 68.9 | 78.0 | 88.0 | 91.7 | 89.1 | 82.1 | 69.9 | 54.4 | 44.0 | 68.3 |
| Highest Mean Max. Temperature (F) | 51.5 | 59.1 | 69.5 | 75.8 | 84.5 | 93.8 | 95.9 | 92.7 | 88.4 | 76.5 | 63.6 | 50.5 | 95.9 |
| Year Highest Occurred | 1999 | 1976 | 1972 | 1989 | 1996 | 1980 | 1976 | 2000 | 1979 | 1979 | 1973 | 1980 | 1976 |
| Lowest Mean Max. Temperature (F) | 34.0 | 43.0 | 52.8 | 62.1 | 72.6 | 83.8 | 87.1 | 84.5 | 76.9 | 61.4 | 47.4 | 36.0 | 34.0 |
| Year Lowest Occurred | 1979 | 1982 | 1973 | 1983 | 1995 | 1995 | 1992 | 1993 | 1986 | 1984 | 1979 | 1992 | 1979 |
| Mean Temperature (F) | 30.4 | 36.9 | 44.1 | 51.2 | 59.6 | 68.8 | 74.8 | 73.1 | 65.1 | 52.9 | 40.1 | 31.4 | 52.4 |
| Highest Mean Temperature (F) | 37.2 | 42.3 | 49.2 | 55.6 | 65.6 | 72.9 | 78.7 | 76.3 | 70.1 | 56.5 | 44.8 | 37.1 | 78.7 |
| Year Highest Occurred | 1999 | 1996 | 1999 | 1992 | 2000 | 2000 | 1996 | 1995 | 1998 | 1979 | 1973 | 1999 | 1996 |
| Lowest Mean Temperature (F) | 24.3 | 30.6 | 39.7 | 45.9 | 51.6 | 64.6 | 71.0 | 66.1 | 61.7 | 48.4 | 34.4 | 22.5 | 22.5 |
| Year Lowest Occurred | 1973 | 1974 | 1987 | 1973 | 1975 | 1973 | 1993 | 1975 | 1993 | 1984 | 1979 | 1990 | 1990 |
| Mean Min. Temperature (F) | 18.1 | 22.7 | 27.9 | 33.5 | 41.2 | 49.5 | 57.9 | 57.1 | 48.1 | 35.9 | 25.7 | 18.7 | 36.4 |
| Highest Mean Min. Temperature (F) | 27.5 | 28.0 | 32.5 | 38.0 | 47.3 | 55.2 | 63.2 | 61.3 | 54.9 | 42.4 | 30.6 | 27.4 | 63.2 |
| Year Highest Occurred | 1980 | 1996 | 1999 | 1992 | 1997 | 1996 | 1998 | 1994 | 1997 | 1972 | 1978 | 1999 | 1998 |
| Lowest Mean Min. Temperature (F) | 11.6 | 15.8 | 21.3 | 29.0 | 27.9 | 44.1 | 51.4 | 52.1 | 42.0 | 30.6 | 20.1 | 8.7 | 8.7 |
| Year Lowest Occurred | 1975 | 1974 | 1976 | 1991 | 1975 | 1973 | 1993 | 1979 | 1971 | 1975 | 1975 | 1990 | 1990 |
| Mean Precipitation (in.) | 0.71 | 0.62 | 0.77 | 0.59 | 0.49 | 0.24 | 0.72 | 1.06 | 0.86 | 0.95 | 0.77 | 0.56 | 8.34 |
| Highest Precipitation (in.) | 2.60 | 2.22 | 1.93 | 2.32 | 1.36 | 0.91 | 4.17 | 2.78 | 2.01 | 4.89 | 2.64 | 1.38 | 4.89 |
| Year Highest Occurred | 1993 | 1987 | 1973 | 1997 | 1992 | 1996 | 1986 | 1993 | 1986 | 1972 | 1986 | 1982 | 1972 |
| Lowest Precipitation (in.) | 0.02 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.05 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1972 | 1972 | 1971 | 1989 | 2000 | 1989 | 1995 | 1978 | 1979 | 1995 | 1989 | 1989 | 1972 |
| Heating Degree Days (F) | 1072. | 789. | 651. | 415. | 202. | 35. | 1. | 6. | 76. | 377. | 748. | 1042. | 5414. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 2. | 36. | 148. | 304. | 252. | 79. | 2. | 0. | 0. | 823. |