| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 52.7 | 57.6 | 63.2 | 71.3 | 80.9 | 91.8 | 96.5 | 94.7 | 87.3 | 75.6 | 61.7 | 52.7 | 73.8 |
| Highest Mean Max. Temperature (F) | 59.5 | 64.4 | 74.1 | 79.9 | 89.1 | 96.9 | 99.3 | 98.5 | 93.6 | 83.1 | 71.1 | 60.3 | 99.3 |
| Year Highest Occurred | 1986 | 1991 | 1972 | 1989 | 1984 | 1981 | 1996 | 1994 | 1979 | 1988 | 1995 | 1980 | 1996 |
| Lowest Mean Max. Temperature (F) | 43.1 | 49.9 | 54.3 | 62.2 | 74.2 | 86.7 | 93.1 | 90.7 | 78.0 | 68.3 | 54.3 | 45.4 | 43.1 |
| Year Lowest Occurred | 1979 | 1998 | 1973 | 1975 | 1980 | 1998 | 1993 | 1983 | 1986 | 1972 | 1994 | 1971 | 1979 |
| Mean Temperature (F) | 44.0 | 47.9 | 52.2 | 59.5 | 68.2 | 78.6 | 83.7 | 82.3 | 75.4 | 64.4 | 51.9 | 44.2 | 62.7 |
| Highest Mean Temperature (F) | 49.8 | 54.3 | 61.1 | 67.6 | 76.2 | 83.3 | 87.8 | 86.4 | 78.7 | 71.3 | 59.8 | 51.7 | 87.8 |
| Year Highest Occurred | 1986 | 1995 | 1972 | 1989 | 1997 | 1981 | 1996 | 1995 | 1995 | 1988 | 1999 | 1980 | 1996 |
| Lowest Mean Temperature (F) | 36.4 | 43.0 | 44.7 | 52.9 | 61.0 | 74.1 | 79.6 | 78.6 | 67.1 | 58.7 | 44.6 | 38.1 | 36.4 |
| Year Lowest Occurred | 1979 | 1998 | 1973 | 1975 | 1977 | 1991 | 1987 | 1976 | 1986 | 1984 | 1994 | 1971 | 1979 |
| Mean Min. Temperature (F) | 35.3 | 38.2 | 41.2 | 47.7 | 55.5 | 65.3 | 70.8 | 69.8 | 63.5 | 53.2 | 42.0 | 35.6 | 51.5 |
| Highest Mean Min. Temperature (F) | 40.8 | 44.9 | 48.2 | 55.3 | 64.4 | 69.8 | 76.2 | 74.3 | 67.0 | 59.4 | 49.9 | 43.1 | 76.2 |
| Year Highest Occurred | 2000 | 1995 | 1972 | 1989 | 1997 | 1994 | 1996 | 1995 | 1997 | 1999 | 1999 | 1980 | 1996 |
| Lowest Mean Min. Temperature (F) | 29.8 | 33.8 | 35.2 | 39.9 | 47.8 | 61.0 | 65.0 | 64.7 | 56.1 | 46.3 | 34.9 | 29.4 | 29.4 |
| Year Lowest Occurred | 1979 | 1979 | 1973 | 1983 | 1977 | 1983 | 1987 | 1976 | 1986 | 1984 | 1994 | 1990 | 1990 |
| Mean Precipitation (in.) | 0.97 | 1.14 | 1.07 | 0.33 | 0.23 | 0.08 | 0.97 | 1.13 | 0.72 | 0.51 | 0.47 | 0.69 | 8.31 |
| Highest Precipitation (in.) | 3.72 | 4.95 | 5.07 | 1.53 | 1.01 | 0.48 | 4.97 | 7.82 | 5.93 | 2.25 | 2.81 | 4.07 | 7.82 |
| Year Highest Occurred | 1993 | 1980 | 1992 | 1988 | 1971 | 1990 | 1984 | 1982 | 1976 | 1987 | 1978 | 1984 | 1982 |
| 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 | 2000 | 1984 | 1997 | 2000 | 2000 | 2000 | 1993 | 1987 | 2000 | 1999 | 2000 | 2000 | 2000 |
| Heating Degree Days (F) | 650. | 479. | 412. | 219. | 81. | 3. | 0. | 0. | 6. | 125. | 405. | 648. | 3028. |
| Cooling Degree Days (F) | 0. | 0. | 14. | 53. | 182. | 410. | 579. | 535. | 318. | 107. | 10. | 0. | 2208. |