| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 63.2 | 67.1 | 71.5 | 79.2 | 87.0 | 96.1 | 95.4 | 93.0 | 90.2 | 81.1 | 70.6 | 63.2 | 79.8 |
| Highest Mean Max. Temperature (F) | 70.1 | 71.8 | 79.4 | 87.4 | 93.8 | 101.2 | 98.2 | 96.2 | 95.2 | 87.0 | 79.3 | 69.7 | 101.2 |
| Year Highest Occurred | 1986 | 1995 | 1972 | 1989 | 2000 | 1990 | 1994 | 1998 | 2000 | 1999 | 1999 | 1980 | 1990 |
| Lowest Mean Max. Temperature (F) | 54.2 | 61.4 | 63.5 | 71.2 | 82.7 | 92.6 | 91.1 | 89.1 | 86.5 | 74.1 | 63.4 | 56.2 | 54.2 |
| Year Lowest Occurred | 1979 | 1998 | 1973 | 1983 | 1987 | 1983 | 1986 | 1971 | 1996 | 1984 | 2000 | 1978 | 1979 |
| Mean Temperature (F) | 46.0 | 49.4 | 53.6 | 60.3 | 67.8 | 77.0 | 80.3 | 78.4 | 73.7 | 63.8 | 51.9 | 45.5 | 62.3 |
| Highest Mean Temperature (F) | 50.0 | 53.8 | 59.6 | 65.4 | 73.0 | 81.5 | 83.1 | 80.8 | 77.1 | 67.6 | 56.9 | 50.6 | 83.1 |
| Year Highest Occurred | 1986 | 1995 | 1972 | 1989 | 2000 | 1994 | 1980 | 1995 | 1997 | 1987 | 1995 | 1977 | 1980 |
| Lowest Mean Temperature (F) | 42.9 | 45.9 | 49.4 | 54.8 | 64.8 | 73.2 | 78.1 | 75.5 | 70.5 | 60.0 | 46.1 | 42.4 | 42.4 |
| Year Lowest Occurred | 1992 | 1990 | 1991 | 1983 | 1995 | 1991 | 1986 | 1990 | 1986 | 1982 | 2000 | 1978 | 1978 |
| Mean Min. Temperature (F) | 28.7 | 31.7 | 35.7 | 41.3 | 48.5 | 57.8 | 65.2 | 63.8 | 57.2 | 46.4 | 33.1 | 27.7 | 44.8 |
| Highest Mean Min. Temperature (F) | 35.3 | 38.2 | 42.1 | 44.9 | 52.4 | 62.3 | 68.2 | 67.0 | 60.8 | 51.2 | 40.3 | 34.2 | 68.2 |
| Year Highest Occurred | 1978 | 1980 | 1978 | 1990 | 1997 | 1974 | 1980 | 1986 | 1983 | 1977 | 1978 | 1977 | 1980 |
| Lowest Mean Min. Temperature (F) | 23.4 | 25.7 | 31.3 | 36.4 | 44.7 | 53.1 | 61.4 | 60.0 | 53.2 | 37.0 | 27.8 | 23.5 | 23.4 |
| Year Lowest Occurred | 1990 | 1984 | 1988 | 1975 | 1991 | 1991 | 1971 | 1983 | 1988 | 1982 | 1992 | 1989 | 1990 |
| Mean Precipitation (in.) | 1.05 | 0.58 | 0.53 | 0.26 | 0.24 | 0.51 | 3.49 | 3.16 | 1.73 | 1.34 | 0.50 | 0.82 | 14.21 |
| Highest Precipitation (in.) | 3.36 | 1.98 | 1.64 | 2.32 | 1.35 | 4.39 | 9.50 | 7.77 | 5.14 | 3.98 | 1.45 | 3.49 | 9.50 |
| Year Highest Occurred | 1993 | 1980 | 1981 | 1987 | 1982 | 1972 | 1976 | 1986 | 1983 | 1988 | 1983 | 1984 | 1976 |
| Lowest Precipitation (in.) | 0.06 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.13 | 0.41 | 0.12 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 2000 | 1999 | 1984 | 1991 | 2000 | 1989 | 1987 | 1981 | 1973 | 1982 | 1999 | 1981 | 1999 |
| Heating Degree Days (F) | 592. | 437. | 355. | 175. | 43. | 1. | 0. | 0. | 2. | 101. | 396. | 606. | 2708. |
| Cooling Degree Days (F) | 0. | 0. | 2. | 33. | 129. | 359. | 475. | 415. | 262. | 62. | 1. | 0. | 1738. |