| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 67.9 | 72.4 | 77.8 | 86.8 | 95.6 | 104.8 | 105.8 | 103.1 | 99.2 | 89.4 | 76.6 | 67.9 | 87.3 |
| Highest Mean Max. Temperature (F) | 73.8 | 78.2 | 89.1 | 94.5 | 102.3 | 109.5 | 108.7 | 106.8 | 104.5 | 95.0 | 85.0 | 75.9 | 109.5 |
| Year Highest Occurred | 1986 | 1972 | 1972 | 1989 | 2000 | 1974 | 1980 | 1994 | 2000 | 1999 | 1999 | 1980 | 1974 |
| Lowest Mean Max. Temperature (F) | 58.9 | 65.2 | 68.4 | 79.7 | 89.0 | 100.3 | 101.4 | 97.8 | 95.5 | 81.8 | 69.4 | 62.2 | 58.9 |
| Year Lowest Occurred | 1979 | 1998 | 1973 | 1983 | 1977 | 1991 | 1984 | 1990 | 1976 | 1971 | 2000 | 1984 | 1979 |
| Mean Temperature (F) | 52.1 | 56.3 | 61.2 | 68.1 | 77.2 | 86.0 | 89.9 | 88.2 | 83.0 | 72.1 | 59.2 | 52.0 | 70.4 |
| Highest Mean Temperature (F) | 57.0 | 60.9 | 70.1 | 75.0 | 82.5 | 90.9 | 92.7 | 91.4 | 87.7 | 77.2 | 65.5 | 59.2 | 92.7 |
| Year Highest Occurred | 1986 | 1996 | 1972 | 1989 | 1984 | 1974 | 1977 | 1994 | 2000 | 1978 | 1999 | 1977 | 1977 |
| Lowest Mean Temperature (F) | 48.0 | 51.8 | 54.4 | 61.3 | 72.9 | 81.9 | 87.0 | 83.2 | 77.9 | 67.2 | 52.4 | 46.9 | 46.9 |
| Year Lowest Occurred | 1979 | 1998 | 1973 | 1998 | 1998 | 1998 | 1986 | 1990 | 1996 | 1971 | 2000 | 1974 | 1974 |
| Mean Min. Temperature (F) | 36.2 | 40.2 | 44.6 | 49.4 | 58.7 | 67.1 | 73.9 | 73.2 | 66.7 | 54.8 | 41.8 | 36.0 | 53.6 |
| Highest Mean Min. Temperature (F) | 43.1 | 46.0 | 51.1 | 55.5 | 65.4 | 73.7 | 79.1 | 76.7 | 72.4 | 61.7 | 49.5 | 45.8 | 79.1 |
| Year Highest Occurred | 1993 | 1996 | 1972 | 1989 | 1976 | 1977 | 1977 | 1977 | 1983 | 1976 | 1975 | 1977 | 1977 |
| Lowest Mean Min. Temperature (F) | 31.2 | 34.4 | 40.4 | 42.4 | 52.8 | 60.3 | 69.4 | 67.1 | 59.8 | 50.4 | 34.5 | 28.5 | 28.5 |
| Year Lowest Occurred | 1975 | 1994 | 1973 | 1998 | 1998 | 1998 | 1987 | 1979 | 1996 | 1998 | 1992 | 1974 | 1974 |
| Mean Precipitation (in.) | 0.95 | 1.05 | 1.10 | 0.27 | 0.26 | 0.16 | 1.09 | 1.66 | 0.94 | 1.05 | 0.83 | 1.24 | 10.60 |
| Highest Precipitation (in.) | 5.77 | 5.76 | 3.36 | 2.26 | 1.61 | 1.48 | 4.03 | 5.65 | 4.20 | 4.72 | 3.17 | 4.47 | 5.77 |
| Year Highest Occurred | 1993 | 1998 | 1983 | 1988 | 1982 | 1972 | 1984 | 1990 | 1983 | 1972 | 1993 | 1984 | 1993 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 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 | 1999 | 1990 | 1997 | 2000 | 2000 | 1999 | 2000 | 1973 | 2000 | 1999 | 1999 | 2000 | 1999 |
| Heating Degree Days (F) | 401. | 249. | 169. | 69. | 4. | 0. | 0. | 0. | 0. | 21. | 202. | 407. | 1522. |
| Cooling Degree Days (F) | 0. | 5. | 52. | 162. | 381. | 628. | 770. | 718. | 538. | 241. | 29. | 2. | 3526. |