| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 58.1 | 64.1 | 72.2 | 81.6 | 91.6 | 103.1 | 108.0 | 105.7 | 97.8 | 83.6 | 67.8 | 58.5 | 82.7 |
| Highest Mean Max. Temperature (F) | 64.6 | 69.2 | 82.8 | 91.5 | 99.2 | 109.0 | 111.9 | 109.5 | 103.3 | 91.5 | 74.0 | 66.5 | 111.9 |
| Year Highest Occurred | 1986 | 1995 | 1972 | 1989 | 1984 | 1974 | 1988 | 1994 | 1979 | 1988 | 1995 | 1980 | 1988 |
| Lowest Mean Max. Temperature (F) | 50.3 | 59.3 | 62.5 | 72.3 | 84.4 | 97.6 | 103.3 | 102.0 | 91.4 | 77.0 | 61.8 | 53.2 | 50.3 |
| Year Lowest Occurred | 1979 | 1994 | 1973 | 1975 | 1977 | 1998 | 1999 | 1983 | 1986 | 1972 | 1994 | 1990 | 1979 |
| Mean Temperature (F) | 47.2 | 52.0 | 59.1 | 67.5 | 77.4 | 88.5 | 94.2 | 92.3 | 83.8 | 70.4 | 56.0 | 47.7 | 69.7 |
| Highest Mean Temperature (F) | 52.6 | 56.6 | 65.9 | 75.6 | 84.7 | 93.1 | 98.2 | 96.2 | 88.2 | 76.8 | 60.9 | 54.3 | 98.2 |
| Year Highest Occurred | 1986 | 1995 | 1972 | 1989 | 1997 | 1994 | 1996 | 1996 | 1995 | 1988 | 1995 | 1980 | 1996 |
| Lowest Mean Temperature (F) | 41.1 | 47.7 | 52.3 | 60.0 | 71.6 | 83.6 | 91.4 | 88.5 | 77.9 | 65.4 | 50.9 | 41.5 | 41.1 |
| Year Lowest Occurred | 1979 | 1979 | 1973 | 1975 | 1977 | 1998 | 1987 | 1976 | 1986 | 1971 | 1994 | 1990 | 1979 |
| Mean Min. Temperature (F) | 36.3 | 39.9 | 45.9 | 53.4 | 63.2 | 73.8 | 80.4 | 78.8 | 69.8 | 57.1 | 44.2 | 36.9 | 56.6 |
| Highest Mean Min. Temperature (F) | 41.3 | 44.3 | 49.8 | 59.6 | 70.4 | 78.8 | 85.6 | 83.3 | 74.2 | 62.0 | 47.7 | 42.4 | 85.6 |
| Year Highest Occurred | 1980 | 1992 | 1986 | 1989 | 1997 | 2000 | 1996 | 1996 | 1995 | 1988 | 1995 | 1977 | 1996 |
| Lowest Mean Min. Temperature (F) | 31.8 | 34.0 | 39.8 | 47.6 | 58.4 | 69.6 | 77.5 | 73.7 | 64.0 | 52.5 | 40.0 | 29.7 | 29.7 |
| Year Lowest Occurred | 1973 | 1974 | 1977 | 1975 | 1971 | 1998 | 1987 | 1976 | 1985 | 1982 | 1994 | 1990 | 1990 |
| Mean Precipitation (in.) | 0.68 | 0.72 | 0.61 | 0.16 | 0.12 | 0.04 | 0.52 | 0.33 | 0.27 | 0.16 | 0.24 | 0.30 | 4.15 |
| Highest Precipitation (in.) | 3.07 | 2.71 | 3.46 | 0.93 | 0.75 | 0.45 | 3.07 | 1.57 | 1.69 | 1.75 | 1.18 | 1.55 | 3.46 |
| Year Highest Occurred | 1993 | 1993 | 1992 | 1999 | 1990 | 1991 | 1998 | 1988 | 1997 | 1992 | 1993 | 1992 | 1992 |
| Lowest Precipitation (in.) | 0.01 | 0.03 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1972 | 1984 | 1999 | 2000 | 2000 | 2000 | 1994 | 1996 | 1994 | 1999 | 1999 | 1999 | 1999 |
| Heating Degree Days (F) | 551. | 365. | 226. | 81. | 9. | 0. | 0. | 0. | 0. | 38. | 281. | 535. | 2086. |
| Cooling Degree Days (F) | 0. | 0. | 41. | 157. | 394. | 704. | 905. | 844. | 564. | 204. | 10. | 0. | 3823. |