| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 61.6 | 65.1 | 70.0 | 77.1 | 84.6 | 93.3 | 92.6 | 89.6 | 87.2 | 79.3 | 69.1 | 62.5 | 77.7 |
| Highest Mean Max. Temperature (F) | 68.9 | 71.6 | 78.8 | 87.1 | 90.7 | 98.3 | 97.7 | 92.7 | 91.8 | 84.3 | 76.3 | 69.3 | 98.3 |
| Year Highest Occurred | 1986 | 1999 | 1972 | 1989 | 1984 | 1990 | 1989 | 1995 | 1989 | 1979 | 1999 | 1980 | 1990 |
| Lowest Mean Max. Temperature (F) | 54.4 | 59.7 | 61.9 | 70.4 | 80.5 | 89.7 | 86.5 | 86.4 | 82.9 | 73.6 | 61.2 | 57.4 | 54.4 |
| Year Lowest Occurred | 1979 | 1998 | 1973 | 1983 | 1980 | 1972 | 1999 | 1990 | 1996 | 1971 | 2000 | 1997 | 1979 |
| Mean Temperature (F) | 47.7 | 50.8 | 55.6 | 61.5 | 69.0 | 77.8 | 79.1 | 76.6 | 73.5 | 64.8 | 54.4 | 48.2 | 63.3 |
| Highest Mean Temperature (F) | 52.0 | 55.7 | 62.7 | 69.0 | 74.8 | 83.4 | 81.5 | 80.2 | 77.3 | 69.1 | 60.4 | 52.9 | 83.4 |
| Year Highest Occurred | 1999 | 1999 | 1972 | 1989 | 2000 | 1990 | 1994 | 1995 | 1998 | 1987 | 1999 | 1980 | 1990 |
| Lowest Mean Temperature (F) | 42.8 | 46.7 | 49.9 | 55.4 | 65.1 | 74.9 | 76.2 | 73.7 | 70.7 | 60.6 | 48.0 | 44.4 | 42.8 |
| Year Lowest Occurred | 1979 | 1985 | 1973 | 1975 | 1977 | 1991 | 1999 | 1979 | 1985 | 1976 | 2000 | 1974 | 1979 |
| Mean Min. Temperature (F) | 33.7 | 36.4 | 41.2 | 45.9 | 53.4 | 62.2 | 65.5 | 63.5 | 59.7 | 50.3 | 39.6 | 33.9 | 48.8 |
| Highest Mean Min. Temperature (F) | 38.2 | 42.3 | 46.5 | 50.8 | 59.5 | 69.5 | 69.0 | 68.1 | 65.5 | 55.1 | 44.4 | 37.3 | 69.5 |
| Year Highest Occurred | 1993 | 1996 | 1972 | 1989 | 2000 | 1994 | 1998 | 1998 | 1997 | 1987 | 1999 | 1977 | 1994 |
| Lowest Mean Min. Temperature (F) | 30.9 | 31.4 | 34.5 | 39.3 | 49.3 | 58.4 | 62.5 | 58.7 | 55.8 | 46.8 | 34.8 | 30.2 | 30.2 |
| Year Lowest Occurred | 1987 | 1990 | 1977 | 1975 | 1977 | 1991 | 1984 | 1979 | 1985 | 1989 | 2000 | 1974 | 1974 |
| Mean Precipitation (in.) | 1.19 | 0.65 | 0.44 | 0.36 | 0.26 | 0.38 | 3.01 | 3.85 | 1.29 | 1.16 | 0.45 | 0.98 | 14.02 |
| Highest Precipitation (in.) | 3.40 | 1.89 | 1.99 | 2.30 | 1.76 | 5.04 | 7.01 | 7.13 | 6.67 | 6.11 | 1.72 | 3.89 | 7.13 |
| Year Highest Occurred | 1993 | 1993 | 1983 | 1987 | 1987 | 2000 | 1988 | 1987 | 1983 | 2000 | 2000 | 1984 | 1987 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.62 | 1.32 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 2000 | 1999 | 1997 | 2000 | 2000 | 1997 | 1995 | 1975 | 1993 | 1999 | 1999 | 2000 | 2000 |
| Heating Degree Days (F) | 538. | 399. | 307. | 157. | 37. | 0. | 0. | 0. | 2. | 85. | 323. | 521. | 2369. |
| Cooling Degree Days (F) | 0. | 0. | 14. | 50. | 162. | 382. | 436. | 358. | 254. | 79. | 4. | 0. | 1739. |