1971-2000 NCDC Normals
| Element | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN |
| Max °F | 21.6 | 28.6 | 39.8 | 55.1 | 68.5 | 76.2 | 80.6 | 77.9 | 69.2 | 57.4 | 39.6 | 25.7 | 53.4 |
| Min °F | -2.2 | 4.0 | 17.3 | 30.6 | 42.6 | 51.8 | 56.8 | 54.7 | 45.6 | 34.8 | 21.8 | 6.5 | 30.4 |
| Mean °F | 9.7 | 16.3 | 28.6 | 42.9 | 55.6 | 64.0 | 68.7 | 66.3 | 57.4 | 46.1 | 30.7 | 16.1 | 41.9 |
| HDD base 65 |
1716 | 1364 | 1130 | 666 | 319 | 103 | 28 | 62 | 243 | 587 | 1030 | 1516 | 8764 |
| CDD base 65 |
0 | 0 | 0 | 1 | 26 | 73 | 143 | 103 | 15 | 0 | 0 | 0 | 361 |
| Month | High Mean°F |
Year | Low Mean°F |
Year | 1-Day Max°F |
Date | 1-Day Min°F |
Date |
| JAN | 23.7 | 1990 | 0.1 | 1977 | 52 | 01-25-1981 | -44 | 01-09-1977 |
| FEB | 30.6 | 1998 | 8.3 | 1994 | 58 | 02-18-1981 | -45 | 02-01-1996 |
| MAR | 38.7 | 1973 | 18.3 | 1950 | 81 | 03-30-1986 | -40 | 03-01-1962 |
| APR | 51.4 | 1987 | 34.0 | 1950 | 90 | 04-29-1970 | 1 | 04-04-1975 |
| MAY | 65.2 | 1977 | 50.5 | 1967 | 94 | 05-02-1959 | 20 | 05-09-1966 |
| JUN | 69.7 | 1971 | 58.6 | 1969 | 95 | 06-13-1956 | 30 | 06-02-1985 |
| JUL | 74.9 | 1988 | 62.4 | 1992 | 99 | 07-15-1988 | 38 | 07-01-1948 |
| AUG | 73.0 | 1983 | 62.4 | 1992 | 100 | 08-02-1964 | 32 | 08-31-1967 |
| SEP | 64.6 | 1978 | 51.1 | 1993 | 95 | 09-07-1976 | 21 | 09-29-1949 |
| OCT | 57.7 | 1963 | 42.3 | 1952 | 89 | 10-01-1976 | 11 | 10-27-1976 |
| NOV | 40.0 | 1963 | 23.8 | 1996 | 72 | 11-01-2000 | -16 | 11-30-1976 |
| DEC | 27.9 | 1959 | 6.8 | 1989 | 60 | 12-03-1962 | -39 | 12-19-1983 |
| Annual | 47.6 | 1987 | 33.9 | 1950 | 100 | 08-02-1964 | -45 | 02-01-1996 |
| Winter | 26.0 | 1998 | 8.5 | 1979 | 60 | 12-03-1962 | -45 | 02-01-1996 |
| Spring | 51.0 | 1977 | 35.0 | 1950 | 94 | 05-02-1959 | -40 | 03-01-1962 |
| Summer | 71.9 | 1988 | 62.1 | 1992 | 100 | 08-02-1964 | 30 | 06-02-1985 |
| Fall | 53.5 | 1963 | 40.9 | 1993 | 95 | 09-07-1976 | -16 | 11-30-1976 |
| Month | # Days Max ≥ 90°F |
# Days Max ≤ 32°F |
# Days Min ≤ 32°F |
# Days Min ≤ 0°F |
| JAN | 0.0 | 24.0 | 30.9 | 15.8 |
| FEB | 0.0 | 16.2 | 27.8 | 9.3 |
| MAR | 0.0 | 6.8 | 26.8 | 3.2 |
| APR | 0.0 | 0.4 | 14.8 | 0.0 |
| MAY | 0.1 | 0.0 | 2.5 | 0.0 |
| JUN | 1.0 | 0.0 | 0.1 | 0.0 |
| JUL | 3.0 | 0.0 | 0.0 | 0.0 |
| AUG | 1.4 | 0.0 | 0.0 | 0.0 |
| SEP | 0.3 | 0.0 | 1.4 | 0.0 |
| OCT | 0.0 | 0.1 | 10.8 | 0.0 |
| NOV | 0.0 | 6.0 | 24.5 | 1.0 |
| DEC | 0.0 | 20.9 | 30.6 | 9.0 |
| Annual | 5.8 | 75.0 | 170.7 | 38.7 |
| Winter | 0.0 | 61.1 | 89.2 | 34.2 |
| Spring | 0.1 | 7.0 | 43.8 | 3.1 |
| Summer | 5.4 | 0.0 | 0.1 | 0.0 |
| Fall | 0.3 | 6.1 | 36.7 | 1.0 |