| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 58.7 | 64.3 | 72.5 | 80.4 | 88.6 | 94.2 | 96.0 | 95.0 | 88.5 | 80.1 | 68.7 | 59.9 | 78.9 |
| Highest Mean Max. Temperature (F) | 69.1 | 73.3 | 81.2 | 88.3 | 96.9 | 101.9 | 102.1 | 100.6 | 97.9 | 86.8 | 76.4 | 66.8 | 102.1 |
| Year Highest Occurred | 1971 | 1976 | 1974 | 1972 | 1996 | 1998 | 1998 | 1977 | 1977 | 1979 | 1981 | 1981 | 1998 |
| Lowest Mean Max. Temperature (F) | 49.4 | 55.4 | 64.6 | 71.8 | 81.0 | 88.6 | 89.3 | 89.8 | 79.2 | 73.5 | 60.4 | 53.1 | 49.4 |
| Year Lowest Occurred | 1984 | 1978 | 1987 | 1997 | 1992 | 1987 | 1976 | 1971 | 1974 | 1976 | 2000 | 1983 | 1984 |
| Mean Temperature (F) | 43.7 | 48.8 | 56.2 | 64.5 | 73.5 | 80.4 | 82.8 | 81.7 | 75.1 | 65.6 | 53.8 | 45.1 | 64.3 |
| Highest Mean Temperature (F) | 49.9 | 55.4 | 62.6 | 70.3 | 81.0 | 87.0 | 87.4 | 86.7 | 82.4 | 69.6 | 60.0 | 49.6 | 87.4 |
| Year Highest Occurred | 1971 | 2000 | 1974 | 1986 | 1996 | 1990 | 1998 | 1977 | 1977 | 1983 | 1983 | 1981 | 1998 |
| Lowest Mean Temperature (F) | 37.6 | 42.0 | 50.5 | 58.4 | 68.0 | 76.4 | 77.4 | 77.3 | 67.6 | 58.0 | 47.6 | 38.6 | 37.6 |
| Year Lowest Occurred | 1979 | 1978 | 1987 | 1997 | 1976 | 1987 | 1976 | 1971 | 1974 | 1976 | 1972 | 1989 | 1979 |
| Mean Min. Temperature (F) | 28.7 | 33.3 | 39.9 | 48.6 | 58.3 | 66.5 | 69.6 | 68.3 | 61.7 | 51.0 | 38.9 | 30.2 | 49.6 |
| Highest Mean Min. Temperature (F) | 32.6 | 38.1 | 44.3 | 54.6 | 65.0 | 72.7 | 73.2 | 72.8 | 66.9 | 57.2 | 46.6 | 35.6 | 73.2 |
| Year Highest Occurred | 2000 | 1992 | 2000 | 1986 | 1996 | 1990 | 1980 | 1977 | 1977 | 1983 | 1983 | 1984 | 1980 |
| Lowest Mean Min. Temperature (F) | 24.2 | 28.1 | 34.1 | 43.7 | 51.9 | 62.2 | 65.6 | 64.1 | 56.0 | 42.5 | 32.0 | 23.3 | 23.3 |
| Year Lowest Occurred | 1976 | 1971 | 1996 | 1973 | 1976 | 1979 | 1976 | 1973 | 1975 | 1976 | 1972 | 1989 | 1989 |
| Mean Precipitation (in.) | 0.42 | 0.58 | 0.42 | 0.61 | 2.11 | 1.56 | 1.30 | 1.46 | 2.35 | 1.24 | 0.63 | 0.61 | 13.29 |
| Highest Precipitation (in.) | 1.55 | 2.19 | 1.67 | 2.52 | 7.75 | 4.35 | 4.21 | 4.67 | 7.58 | 3.78 | 3.56 | 2.78 | 7.75 |
| Year Highest Occurred | 1991 | 1992 | 1999 | 1981 | 1987 | 2000 | 1973 | 1996 | 1980 | 1978 | 1983 | 1986 | 1987 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.09 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 2000 | 2000 | 1994 | 1998 | 1996 | 1973 | 2000 | 2000 | 2000 | 1992 | 1999 | 1996 | 2000 |
| Heating Degree Days (F) | 661. | 453. | 284. | 105. | 23. | 0. | 0. | 0. | 13. | 79. | 352. | 619. | 2589. |
| Cooling Degree Days (F) | 0. | 0. | 10. | 91. | 286. | 460. | 551. | 515. | 315. | 96. | 16. | 0. | 2340. |