| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 60.2 | 65.3 | 71.2 | 79.6 | 88.7 | 98.3 | 98.4 | 96.1 | 92.1 | 82.1 | 69.2 | 60.2 | 80.1 |
| Highest Mean Max. Temperature (F) | 67.2 | 70.6 | 81.4 | 88.4 | 95.7 | 102.9 | 102.3 | 98.9 | 96.7 | 87.2 | 78.0 | 67.0 | 102.9 |
| Year Highest Occurred | 1986 | 1999 | 1972 | 1989 | 2000 | 1994 | 1971 | 1998 | 1998 | 1999 | 1999 | 1980 | 1994 |
| Lowest Mean Max. Temperature (F) | 53.5 | 60.0 | 62.9 | 72.8 | 84.6 | 95.1 | 93.9 | 92.9 | 87.9 | 75.9 | 61.8 | 54.9 | 53.5 |
| Year Lowest Occurred | 1979 | 1973 | 1973 | 1983 | 1979 | 1979 | 1986 | 1990 | 1996 | 1984 | 2000 | 1971 | 1979 |
| Mean Temperature (F) | 44.6 | 49.0 | 54.5 | 61.4 | 70.1 | 79.5 | 83.2 | 81.3 | 75.7 | 64.7 | 52.1 | 44.4 | 63.4 |
| Highest Mean Temperature (F) | 48.5 | 54.3 | 60.8 | 67.7 | 76.2 | 84.5 | 86.6 | 84.3 | 80.5 | 68.3 | 57.6 | 48.8 | 86.6 |
| Year Highest Occurred | 1986 | 1996 | 1972 | 1989 | 2000 | 1994 | 1971 | 1995 | 1997 | 1988 | 1999 | 1980 | 1971 |
| Lowest Mean Temperature (F) | 41.9 | 44.5 | 49.6 | 55.2 | 65.7 | 75.7 | 80.2 | 78.3 | 72.8 | 60.6 | 47.4 | 40.7 | 40.7 |
| Year Lowest Occurred | 1973 | 1974 | 1973 | 1975 | 1975 | 1991 | 1986 | 1990 | 1985 | 1976 | 2000 | 1974 | 1974 |
| Mean Min. Temperature (F) | 29.0 | 32.7 | 37.7 | 43.1 | 51.5 | 60.7 | 67.9 | 66.4 | 59.3 | 47.2 | 34.9 | 28.6 | 46.6 |
| Highest Mean Min. Temperature (F) | 37.5 | 39.0 | 41.5 | 47.6 | 56.6 | 66.7 | 71.1 | 69.9 | 65.5 | 51.8 | 40.1 | 34.5 | 71.1 |
| Year Highest Occurred | 1993 | 1996 | 1986 | 1990 | 2000 | 2000 | 1996 | 1995 | 1997 | 1988 | 1978 | 1991 | 1996 |
| Lowest Mean Min. Temperature (F) | 24.3 | 24.5 | 32.7 | 36.8 | 46.1 | 55.2 | 63.2 | 61.9 | 54.0 | 41.7 | 29.8 | 24.0 | 24.0 |
| Year Lowest Occurred | 1971 | 1974 | 1977 | 1975 | 1975 | 1975 | 1987 | 1979 | 1973 | 1982 | 1992 | 1973 | 1973 |
| Mean Precipitation (in.) | 0.74 | 0.78 | 0.61 | 0.22 | 0.27 | 0.31 | 1.45 | 1.72 | 1.12 | 1.10 | 0.56 | 0.91 | 9.79 |
| Highest Precipitation (in.) | 3.10 | 2.64 | 1.71 | 1.43 | 2.28 | 1.42 | 3.24 | 4.34 | 3.77 | 4.39 | 2.39 | 4.14 | 4.39 |
| Year Highest Occurred | 1993 | 1980 | 1991 | 1988 | 1992 | 1996 | 1984 | 1992 | 1983 | 2000 | 1986 | 1991 | 2000 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.25 | 0.06 | 0.03 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1999 | 1999 | 1996 | 2000 | 2000 | 1998 | 1995 | 1975 | 2000 | 1995 | 1999 | 1999 | 1999 |
| Heating Degree Days (F) | 633. | 449. | 334. | 159. | 29. | 0. | 0. | 0. | 1. | 85. | 390. | 638. | 2718. |
| Cooling Degree Days (F) | 0. | 0. | 7. | 48. | 188. | 435. | 562. | 504. | 322. | 75. | 1. | 0. | 2142. |