| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 50.1 | 54.3 | 58.9 | 65.0 | 72.7 | 79.7 | 87.5 | 87.8 | 84.1 | 69.9 | 54.6 | 49.1 | 67.8 |
| Highest Mean Max. Temperature (F) | 57.5 | 63.3 | 65.8 | 75.1 | 85.8 | 87.0 | 95.1 | 96.7 | 95.5 | 81.5 | 60.1 | 55.1 | 96.7 |
| Year Highest Occurred | 1995 | 1991 | 1992 | 1987 | 1992 | 1992 | 1994 | 1996 | 1991 | 1988 | 1976 | 1987 | 1996 |
| Lowest Mean Max. Temperature (F) | 44.3 | 48.9 | 52.5 | 57.5 | 65.6 | 71.6 | 77.9 | 78.4 | 73.1 | 61.7 | 48.0 | 42.7 | 42.7 |
| Year Lowest Occurred | 1994 | 1989 | 1995 | 1997 | 1998 | 1980 | 1983 | 1993 | 1978 | 1997 | 1985 | 1992 | 1992 |
| Mean Temperature (F) | 42.8 | 45.6 | 48.5 | 52.0 | 58.0 | 64.2 | 69.9 | 70.1 | 66.5 | 57.0 | 47.2 | 42.2 | 55.3 |
| Highest Mean Temperature (F) | 51.7 | 51.7 | 53.1 | 57.8 | 65.6 | 69.1 | 74.8 | 74.9 | 72.4 | 63.7 | 51.3 | 46.8 | 74.9 |
| Year Highest Occurred | 1995 | 1991 | 1993 | 1989 | 1992 | 1992 | 1994 | 1996 | 1991 | 1988 | 1976 | 1996 | 1996 |
| Lowest Mean Temperature (F) | 38.6 | 39.6 | 44.5 | 47.2 | 53.8 | 59.8 | 65.3 | 64.6 | 62.1 | 52.6 | 40.1 | 36.1 | 36.1 |
| Year Lowest Occurred | 1982 | 1989 | 1985 | 1975 | 1977 | 1980 | 1983 | 1973 | 1978 | 1985 | 1985 | 1990 | 1990 |
| Mean Min. Temperature (F) | 35.4 | 36.9 | 38.1 | 39.0 | 43.3 | 48.6 | 52.3 | 52.4 | 48.8 | 44.1 | 39.7 | 35.2 | 42.8 |
| Highest Mean Min. Temperature (F) | 45.9 | 42.6 | 43.6 | 45.3 | 51.1 | 53.4 | 56.4 | 56.9 | 52.3 | 48.6 | 43.1 | 40.9 | 56.9 |
| Year Highest Occurred | 1995 | 1992 | 1993 | 1997 | 1997 | 1997 | 1993 | 1995 | 1979 | 1993 | 1995 | 1996 | 1995 |
| Lowest Mean Min. Temperature (F) | 29.3 | 30.2 | 32.6 | 34.0 | 41.0 | 45.3 | 45.2 | 42.8 | 44.4 | 39.6 | 32.2 | 27.3 | 27.3 |
| Year Lowest Occurred | 1977 | 1989 | 1985 | 1982 | 1973 | 1973 | 1973 | 1973 | 1989 | 1985 | 1985 | 1990 | 1990 |
| Mean Precipitation (in.) | 13.77 | 11.56 | 10.53 | 5.51 | 3.32 | 1.31 | 0.29 | 0.82 | 2.28 | 5.12 | 13.02 | 13.30 | 80.83 |
| Highest Precipitation (in.) | 33.14 | 27.75 | 19.02 | 14.60 | 7.30 | 5.98 | 3.08 | 3.62 | 11.34 | 12.10 | 33.75 | 34.19 | 34.19 |
| Year Highest Occurred | 1996 | 1986 | 1983 | 1982 | 1993 | 1985 | 1983 | 1983 | 1986 | 1975 | 1973 | 1981 | 1981 |
| Lowest Precipitation (in.) | 0.43 | 1.76 | 2.71 | 0.99 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.18 | 2.33 | 1.50 | 0.00 |
| Year Lowest Occurred | 1985 | 1991 | 2000 | 1990 | 1992 | 1999 | 2000 | 2000 | 1999 | 1987 | 1976 | 1976 | 1992 |
| Heating Degree Days (F) | 690. | 543. | 511. | 391. | 229. | 85. | 19. | 19. | 64. | 266. | 536. | 709. | 4062. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 1. | 13. | 59. | 171. | 177. | 108. | 18. | 0. | 0. | 547. |