| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 37.0 | 43.4 | 52.8 | 60.9 | 70.6 | 82.2 | 90.6 | 88.7 | 77.6 | 64.0 | 48.7 | 38.0 | 62.9 |
| Highest Mean Max. Temperature (F) | 46.9 | 53.8 | 59.4 | 70.0 | 78.1 | 89.2 | 95.4 | 94.2 | 85.0 | 73.6 | 58.1 | 45.2 | 95.4 |
| Year Highest Occurred | 1998 | 1995 | 1992 | 1992 | 1992 | 1988 | 1994 | 1994 | 1979 | 1988 | 1999 | 1995 | 1994 |
| Lowest Mean Max. Temperature (F) | 28.1 | 32.6 | 46.2 | 51.9 | 63.9 | 73.6 | 82.5 | 84.6 | 70.1 | 55.9 | 38.8 | 30.6 | 28.1 |
| Year Lowest Occurred | 1973 | 1985 | 1977 | 1975 | 1977 | 1998 | 1993 | 1976 | 1986 | 1971 | 2000 | 1990 | 1973 |
| Mean Temperature (F) | 29.2 | 34.5 | 43.1 | 50.0 | 58.8 | 69.0 | 77.0 | 75.6 | 65.0 | 52.5 | 39.6 | 30.2 | 52.0 |
| Highest Mean Temperature (F) | 37.9 | 42.2 | 49.2 | 57.0 | 65.3 | 75.3 | 80.8 | 80.2 | 71.5 | 59.6 | 45.8 | 37.3 | 80.8 |
| Year Highest Occurred | 1998 | 1995 | 1992 | 1992 | 1992 | 1988 | 2000 | 1994 | 1990 | 1988 | 1995 | 1977 | 2000 |
| Lowest Mean Temperature (F) | 19.0 | 24.9 | 36.9 | 43.5 | 53.5 | 62.6 | 69.3 | 70.9 | 58.5 | 46.4 | 31.4 | 20.8 | 19.0 |
| Year Lowest Occurred | 1973 | 1985 | 1977 | 1975 | 1975 | 1998 | 1993 | 1976 | 1971 | 1971 | 2000 | 1990 | 1973 |
| Mean Min. Temperature (F) | 21.3 | 25.5 | 33.4 | 39.0 | 46.9 | 55.8 | 63.4 | 62.4 | 52.4 | 41.0 | 30.4 | 22.4 | 41.2 |
| Highest Mean Min. Temperature (F) | 30.1 | 33.6 | 38.9 | 44.0 | 52.5 | 61.3 | 67.2 | 66.2 | 58.8 | 45.6 | 34.7 | 30.1 | 67.2 |
| Year Highest Occurred | 1978 | 1986 | 1992 | 1992 | 1992 | 1988 | 1985 | 2000 | 1990 | 1988 | 1981 | 1977 | 1985 |
| Lowest Mean Min. Temperature (F) | 10.0 | 15.7 | 27.3 | 34.5 | 42.7 | 51.5 | 56.1 | 57.2 | 45.2 | 36.8 | 23.8 | 10.9 | 10.0 |
| Year Lowest Occurred | 1973 | 1989 | 1976 | 1982 | 1975 | 1998 | 1993 | 1976 | 1971 | 1971 | 1993 | 1990 | 1973 |
| Mean Precipitation (in.) | 1.37 | 1.33 | 1.91 | 2.02 | 2.09 | 0.77 | 0.72 | 0.76 | 1.33 | 1.57 | 1.40 | 1.23 | 16.50 |
| Highest Precipitation (in.) | 3.23 | 4.89 | 3.97 | 4.57 | 4.76 | 3.84 | 2.57 | 2.64 | 7.04 | 3.91 | 2.96 | 4.37 | 7.04 |
| Year Highest Occurred | 1993 | 1998 | 1983 | 1974 | 1977 | 1998 | 1982 | 1983 | 1982 | 1981 | 1994 | 1983 | 1982 |
| Lowest Precipitation (in.) | 0.50 | 0.13 | 0.80 | 0.45 | 0.14 | 0.00 | 0.04 | 0.02 | 0.03 | 0.00 | 0.03 | 0.08 | 0.00 |
| Year Lowest Occurred | 1984 | 1988 | 2000 | 1981 | 1972 | 1994 | 1988 | 1996 | 1974 | 1978 | 1976 | 1976 | 1994 |
| Heating Degree Days (F) | 1108. | 857. | 665. | 448. | 215. | 50. | 3. | 3. | 89. | 379. | 747. | 1067. | 5631. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 4. | 34. | 183. | 387. | 347. | 105. | 6. | 0. | 0. | 1066. |