| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 55.6 | 62.4 | 67.2 | 73.5 | 80.0 | 87.3 | 92.5 | 91.8 | 88.0 | 79.2 | 65.1 | 55.6 | 74.9 |
| Highest Mean Max. Temperature (F) | 60.1 | 68.6 | 74.3 | 81.1 | 90.3 | 94.5 | 96.4 | 97.3 | 92.8 | 85.8 | 75.2 | 61.0 | 97.3 |
| Year Highest Occurred | 1976 | 1991 | 1972 | 1987 | 1992 | 1981 | 1988 | 1992 | 1984 | 1991 | 1995 | 1995 | 1992 |
| Lowest Mean Max. Temperature (F) | 49.7 | 57.5 | 62.1 | 64.9 | 69.5 | 79.7 | 86.9 | 85.4 | 80.8 | 73.7 | 58.0 | 49.0 | 49.0 |
| Year Lowest Occurred | 1985 | 1998 | 1973 | 1975 | 1998 | 1998 | 1987 | 1976 | 1985 | 1972 | 1982 | 1985 | 1985 |
| Mean Temperature (F) | 47.1 | 51.9 | 56.0 | 60.9 | 66.8 | 72.4 | 76.4 | 75.9 | 73.2 | 66.0 | 55.0 | 47.0 | 62.4 |
| Highest Mean Temperature (F) | 52.5 | 56.2 | 60.6 | 66.1 | 74.8 | 78.1 | 80.8 | 79.5 | 77.2 | 70.2 | 62.1 | 53.0 | 80.8 |
| Year Highest Occurred | 1995 | 1991 | 1972 | 1990 | 1992 | 1981 | 1988 | 1992 | 1984 | 1991 | 1995 | 1995 | 1988 |
| Lowest Mean Temperature (F) | 41.4 | 47.9 | 51.3 | 54.1 | 60.4 | 66.9 | 72.0 | 71.8 | 67.9 | 61.7 | 50.0 | 42.1 | 41.4 |
| Year Lowest Occurred | 1972 | 1989 | 1985 | 1975 | 1977 | 1982 | 1987 | 1976 | 1986 | 1971 | 1982 | 1985 | 1972 |
| Mean Min. Temperature (F) | 38.5 | 41.3 | 44.8 | 48.2 | 53.5 | 57.4 | 60.2 | 59.9 | 58.3 | 52.8 | 44.9 | 38.4 | 49.9 |
| Highest Mean Min. Temperature (F) | 45.8 | 46.4 | 50.0 | 53.4 | 59.2 | 61.7 | 65.2 | 63.2 | 63.1 | 57.4 | 49.4 | 45.0 | 65.2 |
| Year Highest Occurred | 1995 | 1986 | 1993 | 1990 | 1992 | 1981 | 1988 | 1998 | 1997 | 1987 | 1997 | 1995 | 1988 |
| Lowest Mean Min. Temperature (F) | 31.5 | 36.7 | 39.4 | 43.3 | 48.7 | 54.0 | 57.1 | 57.0 | 54.4 | 46.4 | 41.2 | 32.3 | 31.5 |
| Year Lowest Occurred | 1972 | 1985 | 1985 | 1975 | 1977 | 1975 | 1987 | 1980 | 1986 | 1971 | 1978 | 1990 | 1972 |
| Mean Precipitation (in.) | 2.61 | 2.31 | 1.97 | 0.73 | 0.45 | 0.10 | 0.04 | 0.06 | 0.25 | 0.72 | 1.61 | 1.66 | 12.51 |
| Highest Precipitation (in.) | 5.86 | 7.27 | 5.89 | 2.91 | 3.15 | 0.76 | 0.62 | 0.73 | 2.20 | 3.87 | 4.93 | 4.67 | 7.27 |
| Year Highest Occurred | 1993 | 1998 | 1983 | 1983 | 1998 | 1988 | 1980 | 1976 | 1982 | 2000 | 1983 | 1995 | 1998 |
| Lowest Precipitation (in.) | 0.22 | 0.16 | 0.05 | 0.03 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.05 | 0.00 |
| Year Lowest Occurred | 1991 | 1995 | 1972 | 1997 | 1992 | 1999 | 2000 | 2000 | 1997 | 1995 | 1995 | 1989 | 1992 |
| Heating Degree Days (F) | 556. | 368. | 291. | 167. | 84. | 11. | 0. | 0. | 7. | 71. | 307. | 559. | 2421. |
| Cooling Degree Days (F) | 0. | 0. | 10. | 42. | 138. | 231. | 352. | 337. | 252. | 101. | 7. | 0. | 1470. |