| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 46.3 | 50.2 | 56.5 | 63.7 | 71.0 | 79.9 | 83.3 | 81.2 | 75.8 | 67.2 | 54.1 | 46.8 | 64.7 |
| Highest Mean Max. Temperature (F) | 55.2 | 58.3 | 65.9 | 71.4 | 80.4 | 86.4 | 89.8 | 86.9 | 81.9 | 72.2 | 64.1 | 58.2 | 89.8 |
| Year Highest Occurred | 1986 | 1999 | 1989 | 1981 | 1996 | 1990 | 1980 | 1983 | 1983 | 1979 | 1999 | 1980 | 1980 |
| Lowest Mean Max. Temperature (F) | 37.7 | 43.1 | 50.5 | 55.2 | 65.8 | 74.0 | 79.5 | 77.5 | 71.4 | 57.9 | 43.9 | 42.1 | 37.7 |
| Year Lowest Occurred | 1979 | 1989 | 1983 | 1973 | 1995 | 1995 | 1991 | 1981 | 1975 | 1984 | 1972 | 1997 | 1979 |
| Mean Temperature (F) | 29.7 | 33.4 | 39.5 | 46.4 | 54.9 | 63.1 | 67.2 | 65.8 | 59.3 | 49.6 | 37.7 | 30.8 | 48.1 |
| Highest Mean Temperature (F) | 35.9 | 38.5 | 45.9 | 51.2 | 61.5 | 66.7 | 71.4 | 69.1 | 63.3 | 52.5 | 43.4 | 40.2 | 71.4 |
| Year Highest Occurred | 1986 | 1995 | 1989 | 1981 | 1996 | 1981 | 1980 | 1983 | 1983 | 1979 | 1999 | 1980 | 1980 |
| Lowest Mean Temperature (F) | 22.3 | 27.5 | 35.2 | 39.8 | 51.1 | 58.9 | 64.9 | 63.1 | 56.1 | 44.5 | 30.2 | 26.3 | 22.3 |
| Year Lowest Occurred | 1979 | 1978 | 1988 | 1973 | 1983 | 1983 | 1995 | 1974 | 1974 | 1984 | 1972 | 1983 | 1979 |
| Mean Min. Temperature (F) | 13.0 | 16.5 | 22.5 | 29.0 | 38.7 | 46.3 | 51.1 | 50.4 | 42.8 | 31.9 | 21.2 | 14.7 | 31.5 |
| Highest Mean Min. Temperature (F) | 19.3 | 20.8 | 25.9 | 32.4 | 42.6 | 48.8 | 53.6 | 52.8 | 47.4 | 36.9 | 26.7 | 22.2 | 53.6 |
| Year Highest Occurred | 1999 | 1998 | 1990 | 1986 | 1996 | 1996 | 1998 | 1977 | 1997 | 1972 | 1981 | 1980 | 1998 |
| Lowest Mean Min. Temperature (F) | 7.0 | 11.1 | 17.8 | 24.3 | 36.3 | 42.2 | 48.5 | 47.6 | 39.2 | 28.0 | 16.5 | 9.4 | 7.0 |
| Year Lowest Occurred | 1979 | 1978 | 1988 | 1973 | 1983 | 1983 | 1995 | 1974 | 1993 | 1993 | 1972 | 1983 | 1979 |
| Mean Precipitation (in.) | 0.33 | 0.30 | 0.71 | 0.92 | 2.39 | 1.99 | 3.04 | 3.13 | 1.76 | 1.12 | 0.46 | 0.39 | 16.54 |
| Highest Precipitation (in.) | 1.31 | 1.62 | 2.41 | 4.41 | 7.23 | 4.84 | 6.14 | 5.81 | 5.05 | 4.70 | 1.54 | 1.05 | 7.23 |
| Year Highest Occurred | 1979 | 1987 | 1993 | 1999 | 1995 | 1986 | 1999 | 1981 | 1989 | 2000 | 1978 | 2000 | 1995 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.02 | 0.00 | 0.24 | 0.63 | 0.42 | 0.12 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1998 | 1994 | 1989 | 1992 | 1998 | 1980 | 1987 | 1980 | 1992 | 1995 | 1999 | 1996 | 1998 |
| Heating Degree Days (F) | 1096. | 887. | 791. | 559. | 320. | 99. | 18. | 42. | 183. | 478. | 821. | 1062. | 6356. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 5. | 43. | 85. | 68. | 13. | 0. | 0. | 0. | 214. |