| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 60.3 | 65.9 | 71.1 | 78.6 | 87.1 | 97.0 | 102.9 | 101.1 | 94.1 | 83.2 | 69.2 | 60.5 | 80.9 |
| Highest Mean Max. Temperature (F) | 66.2 | 73.9 | 81.2 | 87.4 | 94.6 | 102.9 | 107.0 | 105.3 | 99.4 | 91.0 | 77.4 | 67.7 | 107.0 |
| Year Highest Occurred | 1986 | 1991 | 1997 | 1989 | 1997 | 1981 | 1972 | 1996 | 1979 | 1988 | 1995 | 1980 | 1972 |
| Lowest Mean Max. Temperature (F) | 52.1 | 58.6 | 63.0 | 68.9 | 77.0 | 91.0 | 98.4 | 96.4 | 87.6 | 76.4 | 61.3 | 50.3 | 50.3 |
| Year Lowest Occurred | 1979 | 1998 | 1991 | 1975 | 1977 | 1998 | 1987 | 1976 | 1986 | 1972 | 1994 | 1984 | 1984 |
| Mean Temperature (F) | 45.7 | 50.5 | 55.2 | 61.6 | 70.1 | 78.7 | 84.5 | 83.0 | 76.2 | 65.7 | 53.1 | 45.5 | 64.2 |
| Highest Mean Temperature (F) | 50.5 | 56.6 | 61.7 | 70.0 | 76.7 | 83.2 | 88.0 | 86.3 | 79.6 | 72.1 | 60.1 | 50.4 | 88.0 |
| Year Highest Occurred | 1986 | 1995 | 1972 | 1989 | 1997 | 1981 | 1996 | 1998 | 1991 | 1988 | 1995 | 1980 | 1996 |
| Lowest Mean Temperature (F) | 40.8 | 46.5 | 49.6 | 53.2 | 61.0 | 73.5 | 79.6 | 77.1 | 70.8 | 60.5 | 45.8 | 39.3 | 39.3 |
| Year Lowest Occurred | 1979 | 1979 | 1973 | 1975 | 1977 | 1998 | 1987 | 1976 | 1985 | 1971 | 1994 | 1990 | 1990 |
| Mean Min. Temperature (F) | 31.1 | 35.1 | 39.3 | 44.6 | 53.0 | 60.3 | 66.0 | 64.8 | 58.3 | 48.2 | 36.9 | 30.4 | 47.3 |
| Highest Mean Min. Temperature (F) | 37.2 | 39.9 | 44.6 | 52.6 | 58.8 | 65.5 | 70.8 | 68.1 | 62.9 | 53.7 | 42.7 | 36.1 | 70.8 |
| Year Highest Occurred | 1978 | 1995 | 1994 | 1989 | 1997 | 2000 | 1984 | 1998 | 1991 | 1991 | 1995 | 1977 | 1984 |
| Lowest Mean Min. Temperature (F) | 25.9 | 29.6 | 33.7 | 37.5 | 44.9 | 54.8 | 60.7 | 57.7 | 53.1 | 42.4 | 30.2 | 22.3 | 22.3 |
| Year Lowest Occurred | 1972 | 1974 | 1977 | 1975 | 1977 | 1980 | 1987 | 1976 | 1973 | 1971 | 1994 | 1990 | 1990 |
| Mean Precipitation (in.) | 0.89 | 1.11 | 0.81 | 0.19 | 0.10 | 0.02 | 0.12 | 0.34 | 0.25 | 0.07 | 0.28 | 0.55 | 4.73 |
| Highest Precipitation (in.) | 4.55 | 4.58 | 3.77 | 1.05 | 0.79 | 0.20 | 1.51 | 2.91 | 1.71 | 0.70 | 1.60 | 2.34 | 4.58 |
| Year Highest Occurred | 1995 | 1980 | 1978 | 1999 | 1977 | 1982 | 1984 | 1977 | 1976 | 1974 | 1972 | 1992 | 1980 |
| 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 | 1984 | 1997 | 1997 | 1998 | 2000 | 2000 | 2000 | 1999 | 2000 | 2000 | 2000 | 2000 | 1984 |
| Heating Degree Days (F) | 599. | 406. | 322. | 175. | 59. | 2. | 0. | 0. | 3. | 94. | 366. | 607. | 2633. |
| Cooling Degree Days (F) | 0. | 0. | 18. | 73. | 215. | 412. | 603. | 558. | 339. | 115. | 7. | 0. | 2340. |