| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 44.8 | 47.6 | 52.3 | 59.7 | 67.6 | 77.5 | 78.4 | 75.3 | 71.2 | 62.6 | 52.6 | 46.2 | 61.3 |
| Highest Mean Max. Temperature (F) | 53.8 | 55.9 | 60.2 | 67.1 | 75.7 | 82.3 | 82.1 | 78.6 | 76.1 | 67.9 | 61.8 | 55.6 | 82.3 |
| Year Highest Occurred | 1986 | 1999 | 1972 | 1989 | 2000 | 1974 | 1979 | 1994 | 2000 | 1999 | 1999 | 1980 | 1974 |
| Lowest Mean Max. Temperature (F) | 36.6 | 41.8 | 42.3 | 50.3 | 62.2 | 73.7 | 73.3 | 73.0 | 66.8 | 53.5 | 45.2 | 39.3 | 36.6 |
| Year Lowest Occurred | 1979 | 1973 | 1973 | 1983 | 1992 | 1997 | 1999 | 1974 | 1975 | 1984 | 1972 | 1997 | 1979 |
| Mean Temperature (F) | 29.1 | 32.2 | 36.6 | 42.1 | 48.7 | 57.0 | 61.6 | 59.6 | 54.3 | 45.3 | 36.2 | 30.2 | 44.4 |
| Highest Mean Temperature (F) | 35.6 | 38.6 | 41.5 | 46.8 | 54.6 | 60.5 | 64.3 | 62.9 | 57.2 | 48.3 | 41.6 | 35.5 | 64.3 |
| Year Highest Occurred | 1986 | 1996 | 1972 | 1989 | 2000 | 1990 | 1971 | 1995 | 1997 | 1988 | 1999 | 1980 | 1971 |
| Lowest Mean Temperature (F) | 24.0 | 26.6 | 28.8 | 35.7 | 44.5 | 52.9 | 59.6 | 57.0 | 51.7 | 40.9 | 31.4 | 23.7 | 23.7 |
| Year Lowest Occurred | 1979 | 1973 | 1973 | 1983 | 1977 | 1991 | 1992 | 1976 | 1973 | 1984 | 2000 | 1997 | 1997 |
| Mean Min. Temperature (F) | 13.4 | 16.7 | 20.8 | 24.4 | 29.7 | 36.5 | 44.7 | 43.9 | 37.4 | 27.9 | 19.7 | 14.2 | 27.4 |
| Highest Mean Min. Temperature (F) | 19.7 | 24.6 | 24.8 | 28.6 | 35.8 | 41.7 | 49.5 | 47.6 | 42.1 | 33.4 | 24.4 | 19.3 | 49.5 |
| Year Highest Occurred | 1999 | 1996 | 1986 | 1986 | 1992 | 2000 | 1999 | 1999 | 1997 | 1972 | 1985 | 1994 | 1999 |
| Lowest Mean Min. Temperature (F) | 8.5 | 9.6 | 15.2 | 20.3 | 24.6 | 29.8 | 40.6 | 38.5 | 32.1 | 22.5 | 12.2 | 8.1 | 8.1 |
| Year Lowest Occurred | 1992 | 1979 | 1973 | 1977 | 1977 | 1982 | 1987 | 1976 | 1973 | 1973 | 1980 | 1997 | 1997 |
| Mean Precipitation (in.) | 1.35 | 1.29 | 1.30 | 0.63 | 0.75 | 0.86 | 3.43 | 4.47 | 2.41 | 2.38 | 1.44 | 1.35 | 21.66 |
| Highest Precipitation (in.) | 5.13 | 4.22 | 3.59 | 2.94 | 5.72 | 3.73 | 9.54 | 8.30 | 6.81 | 10.08 | 7.69 | 5.42 | 10.08 |
| Year Highest Occurred | 1993 | 1980 | 1991 | 1988 | 1992 | 1972 | 1999 | 1999 | 1983 | 1972 | 1978 | 1984 | 1972 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.60 | 1.32 | 0.16 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1972 | 1984 | 1972 | 2000 | 2000 | 1989 | 1993 | 1989 | 1973 | 1982 | 1999 | 1996 | 1972 |
| Heating Degree Days (F) | 1113. | 919. | 881. | 689. | 507. | 244. | 114. | 172. | 320. | 613. | 866. | 1079. | 7517. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 4. | 7. | 5. | 0. | 0. | 0. | 0. | 16. |