| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 53.7 | 60.0 | 64.9 | 71.9 | 80.1 | 87.8 | 93.0 | 92.2 | 88.4 | 78.7 | 63.0 | 54.4 | 74.0 |
| Highest Mean Max. Temperature (F) | 59.0 | 68.4 | 71.6 | 79.8 | 89.0 | 93.2 | 97.7 | 97.0 | 94.5 | 87.3 | 71.7 | 61.3 | 97.7 |
| Year Highest Occurred | 1994 | 1988 | 1997 | 1987 | 1992 | 1985 | 1988 | 1996 | 1991 | 1978 | 1995 | 1976 | 1988 |
| Lowest Mean Max. Temperature (F) | 48.8 | 55.0 | 58.3 | 63.4 | 69.2 | 81.2 | 88.1 | 84.5 | 81.4 | 71.9 | 56.1 | 46.6 | 46.6 |
| Year Lowest Occurred | 1972 | 1998 | 1991 | 1975 | 1998 | 1980 | 1987 | 1976 | 1986 | 1984 | 1972 | 1972 | 1972 |
| Mean Temperature (F) | 44.5 | 49.3 | 53.2 | 58.4 | 65.7 | 72.4 | 76.9 | 75.4 | 71.5 | 63.0 | 51.6 | 44.6 | 60.5 |
| Highest Mean Temperature (F) | 49.0 | 53.8 | 56.9 | 63.7 | 72.4 | 76.5 | 80.9 | 78.7 | 74.5 | 68.2 | 57.7 | 48.9 | 80.9 |
| Year Highest Occurred | 1995 | 1991 | 1986 | 1990 | 1992 | 1981 | 1988 | 1996 | 1979 | 1978 | 1995 | 1995 | 1988 |
| Lowest Mean Temperature (F) | 40.0 | 45.0 | 48.7 | 51.2 | 58.8 | 67.8 | 72.7 | 70.4 | 65.9 | 58.2 | 45.9 | 38.9 | 38.9 |
| Year Lowest Occurred | 1972 | 1990 | 1991 | 1975 | 1977 | 1980 | 1987 | 1976 | 1986 | 1984 | 1994 | 1972 | 1972 |
| Mean Min. Temperature (F) | 35.2 | 38.6 | 41.5 | 44.9 | 51.3 | 57.0 | 60.7 | 58.6 | 54.6 | 47.3 | 40.2 | 34.8 | 47.1 |
| Highest Mean Min. Temperature (F) | 43.1 | 44.2 | 45.7 | 49.8 | 55.9 | 61.3 | 64.0 | 61.9 | 57.9 | 51.0 | 45.3 | 41.7 | 64.0 |
| Year Highest Occurred | 1995 | 1992 | 1993 | 1990 | 1992 | 1981 | 1996 | 1990 | 1998 | 1991 | 1981 | 1983 | 1996 |
| Lowest Mean Min. Temperature (F) | 31.0 | 33.0 | 37.0 | 38.9 | 47.4 | 54.0 | 55.9 | 53.8 | 50.4 | 44.3 | 35.1 | 26.7 | 26.7 |
| Year Lowest Occurred | 1989 | 1990 | 1985 | 1975 | 1977 | 1991 | 1999 | 1985 | 1986 | 1998 | 1994 | 1985 | 1985 |
| Mean Precipitation (in.) | 5.17 | 4.50 | 4.32 | 1.59 | 0.91 | 0.47 | 0.05 | 0.16 | 0.59 | 1.34 | 3.50 | 3.63 | 26.23 |
| Highest Precipitation (in.) | 16.97 | 14.96 | 11.67 | 4.70 | 4.08 | 2.17 | 1.02 | 1.48 | 3.63 | 3.20 | 10.34 | 9.79 | 16.97 |
| Year Highest Occurred | 1995 | 1998 | 1995 | 1983 | 1998 | 1993 | 1974 | 1976 | 1989 | 1989 | 1973 | 1983 | 1995 |
| Lowest Precipitation (in.) | 0.36 | 0.08 | 0.29 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.09 | 0.00 |
| Year Lowest Occurred | 1991 | 1971 | 1988 | 1977 | 1992 | 1994 | 2000 | 2000 | 1999 | 1995 | 1995 | 1989 | 1992 |
| Heating Degree Days (F) | 637. | 439. | 368. | 223. | 93. | 8. | 0. | 0. | 12. | 130. | 403. | 632. | 2945. |
| Cooling Degree Days (F) | 0. | 0. | 2. | 24. | 114. | 229. | 367. | 323. | 207. | 67. | 1. | 0. | 1334. |