| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 56.6 | 64.0 | 72.7 | 82.2 | 91.9 | 102.8 | 106.3 | 102.8 | 95.5 | 82.5 | 66.8 | 56.5 | 81.7 |
| Highest Mean Max. Temperature (F) | 64.0 | 69.8 | 83.4 | 91.8 | 98.3 | 108.1 | 109.1 | 106.6 | 102.3 | 88.0 | 74.7 | 63.1 | 109.1 |
| Year Highest Occurred | 1986 | 1995 | 1972 | 1989 | 1984 | 1981 | 1979 | 1975 | 1979 | 1999 | 1999 | 1980 | 1979 |
| Lowest Mean Max. Temperature (F) | 48.6 | 58.2 | 61.7 | 73.9 | 86.7 | 98.3 | 99.5 | 98.2 | 90.6 | 75.1 | 60.4 | 49.0 | 48.6 |
| Year Lowest Occurred | 1973 | 1973 | 1973 | 1983 | 1995 | 1995 | 1999 | 1982 | 1985 | 1972 | 2000 | 1978 | 1973 |
| Mean Temperature (F) | 47.0 | 52.9 | 60.0 | 68.1 | 77.2 | 87.2 | 91.4 | 88.7 | 81.6 | 69.7 | 56.0 | 47.3 | 68.9 |
| Highest Mean Temperature (F) | 51.4 | 57.3 | 67.6 | 76.8 | 83.4 | 91.9 | 94.8 | 92.7 | 86.9 | 74.5 | 60.4 | 53.9 | 94.8 |
| Year Highest Occurred | 1986 | 1996 | 1972 | 1989 | 1984 | 1974 | 1972 | 1977 | 1979 | 1977 | 1977 | 1977 | 1972 |
| Lowest Mean Temperature (F) | 41.8 | 49.2 | 52.5 | 59.5 | 72.7 | 82.4 | 86.5 | 84.5 | 76.5 | 64.2 | 49.8 | 40.8 | 40.8 |
| Year Lowest Occurred | 1979 | 1979 | 1973 | 1975 | 1971 | 1995 | 1999 | 1983 | 1985 | 1984 | 2000 | 1978 | 1978 |
| Mean Min. Temperature (F) | 37.3 | 41.7 | 47.3 | 54.0 | 62.4 | 71.6 | 76.4 | 74.6 | 67.7 | 56.8 | 45.2 | 38.0 | 56.1 |
| Highest Mean Min. Temperature (F) | 42.4 | 45.8 | 52.1 | 61.8 | 68.4 | 75.7 | 81.4 | 79.9 | 73.6 | 61.9 | 49.7 | 44.6 | 81.4 |
| Year Highest Occurred | 1980 | 1996 | 1989 | 1989 | 1984 | 1994 | 1972 | 1977 | 1977 | 1977 | 1977 | 1977 | 1972 |
| Lowest Mean Min. Temperature (F) | 32.8 | 38.6 | 40.1 | 44.5 | 57.8 | 66.5 | 69.8 | 70.2 | 62.4 | 51.1 | 39.2 | 32.5 | 32.5 |
| Year Lowest Occurred | 1972 | 1987 | 1977 | 1975 | 1977 | 1995 | 1987 | 1983 | 1987 | 1986 | 2000 | 1978 | 1978 |
| Mean Precipitation (in.) | 1.05 | 0.99 | 1.08 | 0.51 | 0.37 | 0.21 | 0.91 | 1.28 | 0.94 | 0.90 | 0.83 | 0.70 | 9.77 |
| Highest Precipitation (in.) | 4.35 | 2.66 | 5.56 | 2.11 | 1.50 | 0.91 | 3.45 | 3.45 | 2.13 | 3.63 | 4.68 | 2.36 | 5.56 |
| Year Highest Occurred | 1980 | 1980 | 1979 | 1988 | 1992 | 1988 | 1999 | 1999 | 1981 | 1972 | 1978 | 1978 | 1979 |
| Lowest Precipitation (in.) | 0.03 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.15 | 0.00 | 0.00 | 0.00 | 0.01 | 0.00 |
| Year Lowest Occurred | 1976 | 1977 | 1997 | 1991 | 2000 | 1998 | 1993 | 1977 | 1989 | 1999 | 1999 | 1999 | 1997 |
| Heating Degree Days (F) | 560. | 342. | 216. | 81. | 7. | 0. | 0. | 0. | 0. | 50. | 281. | 550. | 2087. |
| Cooling Degree Days (F) | 0. | 1. | 60. | 173. | 384. | 666. | 817. | 734. | 498. | 193. | 11. | 0. | 3537. |