| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 41.7 | 50.6 | 61.6 | 70.8 | 81.6 | 93.7 | 99.0 | 95.9 | 85.8 | 71.6 | 54.2 | 43.2 | 70.8 |
| Highest Mean Max. Temperature (F) | 51.5 | 61.8 | 69.4 | 79.1 | 87.6 | 99.7 | 102.6 | 99.5 | 93.4 | 79.4 | 62.7 | 53.7 | 102.6 |
| Year Highest Occurred | 1981 | 1995 | 1972 | 1989 | 2000 | 1977 | 1989 | 1994 | 1979 | 1988 | 1995 | 1980 | 1989 |
| Lowest Mean Max. Temperature (F) | 29.9 | 38.5 | 54.3 | 63.1 | 75.0 | 87.7 | 94.4 | 91.5 | 79.1 | 63.7 | 46.7 | 33.0 | 29.9 |
| Year Lowest Occurred | 1973 | 1979 | 1973 | 1975 | 1995 | 1995 | 1983 | 1999 | 1985 | 1984 | 2000 | 1978 | 1973 |
| Mean Temperature (F) | 26.5 | 35.1 | 45.2 | 53.7 | 63.5 | 73.5 | 79.4 | 77.0 | 67.0 | 53.3 | 38.5 | 28.7 | 53.5 |
| Highest Mean Temperature (F) | 35.9 | 43.2 | 49.9 | 60.4 | 69.9 | 77.9 | 83.1 | 82.2 | 70.4 | 58.0 | 43.0 | 36.0 | 83.1 |
| Year Highest Occurred | 1999 | 1995 | 1986 | 1992 | 2000 | 1994 | 1998 | 2000 | 1990 | 1988 | 1995 | 1980 | 1998 |
| Lowest Mean Temperature (F) | 13.1 | 22.1 | 39.5 | 48.2 | 59.3 | 68.6 | 76.3 | 74.0 | 62.2 | 47.7 | 30.4 | 18.2 | 13.1 |
| Year Lowest Occurred | 1973 | 1979 | 1977 | 1975 | 1995 | 1975 | 1987 | 1989 | 1985 | 1982 | 1979 | 1978 | 1973 |
| Mean Min. Temperature (F) | 11.3 | 19.5 | 28.7 | 36.5 | 45.3 | 53.2 | 59.8 | 58.1 | 48.1 | 35.0 | 22.7 | 14.1 | 36.0 |
| Highest Mean Min. Temperature (F) | 24.2 | 26.6 | 33.3 | 42.5 | 52.2 | 57.5 | 66.3 | 66.3 | 54.5 | 42.4 | 28.6 | 19.8 | 66.3 |
| Year Highest Occurred | 1980 | 1978 | 1995 | 1992 | 2000 | 2000 | 1999 | 2000 | 1998 | 1972 | 1978 | 1994 | 1999 |
| Lowest Mean Min. Temperature (F) | -3.8 | 5.6 | 20.1 | 32.7 | 41.1 | 48.3 | 55.2 | 53.5 | 43.9 | 29.2 | 12.2 | 3.3 | -3.8 |
| Year Lowest Occurred | 1973 | 1979 | 1977 | 1984 | 1975 | 1975 | 1995 | 1974 | 1974 | 1976 | 1979 | 1978 | 1973 |
| Mean Precipitation (in.) | 0.50 | 0.25 | 0.55 | 0.45 | 0.52 | 0.23 | 0.49 | 0.55 | 0.79 | 0.71 | 0.41 | 0.27 | 5.72 |
| Highest Precipitation (in.) | 1.78 | 0.70 | 1.86 | 1.55 | 3.11 | 1.09 | 1.86 | 1.54 | 2.73 | 3.58 | 1.51 | 1.23 | 3.58 |
| Year Highest Occurred | 1979 | 1976 | 1980 | 1975 | 1979 | 1983 | 1985 | 1999 | 1980 | 1972 | 1978 | 1978 | 1972 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.02 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1972 | 1972 | 1994 | 2000 | 1974 | 1994 | 2000 | 1985 | 1992 | 1999 | 1999 | 1989 | 1972 |
| Heating Degree Days (F) | 1194. | 840. | 616. | 351. | 118. | 12. | 0. | 1. | 52. | 367. | 795. | 1127. | 5473. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 11. | 69. | 266. | 446. | 372. | 110. | 4. | 0. | 0. | 1278. |