| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 60.5 | 65.8 | 72.0 | 79.9 | 88.1 | 97.4 | 97.1 | 94.2 | 90.3 | 80.1 | 68.5 | 60.2 | 79.5 |
| Highest Mean Max. Temperature (F) | 66.9 | 71.2 | 80.5 | 86.8 | 96.2 | 103.6 | 102.7 | 98.5 | 95.4 | 86.2 | 75.8 | 66.2 | 103.6 |
| Year Highest Occurred | 1986 | 1999 | 1972 | 1989 | 2000 | 1980 | 1980 | 1998 | 2000 | 1979 | 1999 | 1981 | 1980 |
| Lowest Mean Max. Temperature (F) | 54.3 | 60.0 | 63.7 | 73.0 | 82.9 | 94.2 | 93.1 | 90.6 | 86.1 | 73.5 | 61.8 | 54.7 | 54.3 |
| Year Lowest Occurred | 1985 | 1998 | 1973 | 1983 | 1992 | 1979 | 1986 | 1988 | 1996 | 1984 | 2000 | 1997 | 1985 |
| Mean Temperature (F) | 46.2 | 50.5 | 55.7 | 62.4 | 70.6 | 79.8 | 82.6 | 80.2 | 75.3 | 64.6 | 53.0 | 46.0 | 63.9 |
| Highest Mean Temperature (F) | 49.7 | 55.8 | 62.0 | 68.9 | 76.5 | 84.9 | 86.3 | 83.6 | 78.6 | 68.7 | 56.8 | 51.6 | 86.3 |
| Year Highest Occurred | 1986 | 1996 | 1972 | 1989 | 2000 | 1994 | 1980 | 1994 | 1997 | 1987 | 1995 | 1977 | 1980 |
| Lowest Mean Temperature (F) | 42.6 | 46.5 | 49.8 | 55.8 | 67.0 | 75.9 | 79.9 | 77.7 | 72.7 | 61.1 | 48.0 | 42.0 | 42.0 |
| Year Lowest Occurred | 1992 | 1998 | 1973 | 1983 | 1975 | 1995 | 1986 | 1990 | 1985 | 1976 | 2000 | 1997 | 1997 |
| Mean Min. Temperature (F) | 31.9 | 35.1 | 39.3 | 44.8 | 53.1 | 62.2 | 68.0 | 66.1 | 60.3 | 49.1 | 37.5 | 31.7 | 48.3 |
| Highest Mean Min. Temperature (F) | 37.2 | 41.3 | 43.4 | 51.0 | 58.2 | 68.9 | 70.7 | 70.2 | 63.8 | 53.8 | 42.8 | 37.5 | 70.7 |
| Year Highest Occurred | 1993 | 1996 | 1972 | 1989 | 1996 | 1994 | 1996 | 1994 | 1983 | 1987 | 1978 | 1977 | 1996 |
| Lowest Mean Min. Temperature (F) | 29.2 | 28.7 | 35.5 | 38.6 | 48.2 | 56.1 | 65.2 | 63.2 | 56.8 | 43.2 | 33.3 | 28.0 | 28.0 |
| Year Lowest Occurred | 1976 | 1974 | 1977 | 1983 | 1983 | 1995 | 1997 | 1983 | 1988 | 1982 | 1992 | 1999 | 1999 |
| Mean Precipitation (in.) | 1.02 | 0.84 | 0.66 | 0.27 | 0.41 | 0.49 | 2.02 | 2.22 | 1.04 | 1.35 | 0.76 | 1.26 | 12.34 |
| Highest Precipitation (in.) | 4.09 | 2.50 | 2.25 | 1.10 | 3.03 | 4.38 | 4.85 | 5.47 | 2.99 | 4.39 | 2.28 | 4.01 | 5.47 |
| Year Highest Occurred | 1993 | 1980 | 1973 | 1987 | 1992 | 2000 | 1977 | 1988 | 1983 | 1972 | 1994 | 1991 | 1988 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.63 | 0.05 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1999 | 1999 | 1988 | 2000 | 2000 | 1995 | 1985 | 1975 | 1979 | 1982 | 1999 | 1999 | 1999 |
| Heating Degree Days (F) | 584. | 408. | 300. | 135. | 26. | 0. | 0. | 0. | 1. | 86. | 360. | 591. | 2491. |
| Cooling Degree Days (F) | 0. | 0. | 10. | 55. | 200. | 444. | 543. | 469. | 310. | 74. | 1. | 0. | 2106. |