| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 57.4 | 61.5 | 66.3 | 74.5 | 83.4 | 93.9 | 96.4 | 94.4 | 89.5 | 78.8 | 66.0 | 57.6 | 76.6 |
| Highest Mean Max. Temperature (F) | 67.1 | 70.6 | 77.0 | 83.4 | 92.6 | 99.2 | 100.5 | 100.0 | 97.1 | 88.0 | 79.0 | 64.7 | 100.5 |
| Year Highest Occurred | 2000 | 1999 | 1972 | 1989 | 2000 | 1974 | 2000 | 1998 | 2000 | 1999 | 1999 | 2000 | 2000 |
| Lowest Mean Max. Temperature (F) | 49.3 | 54.8 | 55.6 | 65.3 | 77.5 | 87.8 | 93.2 | 90.4 | 84.8 | 69.9 | 58.4 | 49.6 | 49.3 |
| Year Lowest Occurred | 1979 | 1998 | 1973 | 1975 | 1995 | 1991 | 1992 | 1990 | 1976 | 1971 | 1972 | 1971 | 1979 |
| Mean Temperature (F) | 45.5 | 49.0 | 53.6 | 60.9 | 69.6 | 79.3 | 83.4 | 81.5 | 76.3 | 65.4 | 53.2 | 45.7 | 63.6 |
| Highest Mean Temperature (F) | 52.6 | 55.1 | 60.6 | 69.1 | 77.6 | 83.7 | 87.5 | 85.6 | 82.1 | 71.4 | 63.1 | 50.6 | 87.5 |
| Year Highest Occurred | 2000 | 1999 | 1972 | 1989 | 2000 | 1994 | 2000 | 1998 | 2000 | 1999 | 1999 | 2000 | 2000 |
| Lowest Mean Temperature (F) | 40.1 | 44.3 | 45.9 | 52.8 | 64.4 | 74.7 | 79.9 | 78.4 | 71.3 | 58.3 | 47.0 | 40.4 | 40.1 |
| Year Lowest Occurred | 1979 | 1975 | 1973 | 1975 | 1977 | 1991 | 1986 | 1984 | 1985 | 1971 | 1972 | 1971 | 1979 |
| Mean Min. Temperature (F) | 33.6 | 36.4 | 40.9 | 47.2 | 55.7 | 64.6 | 70.4 | 68.6 | 63.0 | 52.0 | 40.4 | 33.8 | 50.6 |
| Highest Mean Min. Temperature (F) | 38.0 | 42.2 | 45.6 | 54.8 | 62.6 | 70.3 | 74.5 | 72.8 | 68.8 | 58.0 | 47.1 | 37.3 | 74.5 |
| Year Highest Occurred | 2000 | 1996 | 1989 | 1989 | 2000 | 2000 | 2000 | 1994 | 1997 | 1988 | 1999 | 1994 | 2000 |
| Lowest Mean Min. Temperature (F) | 29.6 | 30.6 | 34.2 | 40.2 | 49.4 | 59.7 | 65.6 | 64.1 | 57.6 | 45.7 | 35.6 | 29.8 | 29.6 |
| Year Lowest Occurred | 1973 | 1974 | 1977 | 1975 | 1977 | 1982 | 1986 | 1979 | 1985 | 1982 | 1972 | 1974 | 1973 |
| Mean Precipitation (in.) | 2.13 | 2.08 | 2.17 | 0.57 | 0.47 | 0.32 | 2.19 | 2.71 | 1.55 | 1.73 | 1.57 | 2.00 | 19.49 |
| Highest Precipitation (in.) | 10.29 | 8.11 | 6.69 | 2.06 | 2.51 | 1.84 | 8.63 | 5.90 | 5.24 | 7.59 | 7.11 | 7.51 | 10.29 |
| Year Highest Occurred | 1993 | 1980 | 1991 | 1999 | 1992 | 1972 | 1984 | 1992 | 1983 | 1972 | 1978 | 1978 | 1993 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.20 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1996 | 1984 | 1984 | 1996 | 2000 | 1998 | 1995 | 1976 | 2000 | 1999 | 1999 | 1996 | 1996 |
| Heating Degree Days (F) | 604. | 451. | 369. | 182. | 48. | 1. | 0. | 0. | 4. | 102. | 364. | 598. | 2723. |
| Cooling Degree Days (F) | 0. | 0. | 14. | 57. | 188. | 429. | 570. | 510. | 342. | 115. | 10. | 0. | 2235. |