1971-2000 NCDC Normals
| Element | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN |
| Max °F | 18.7 | 25.6 | 37.8 | 51.9 | 67.8 | 74.5 | 79.0 | 76.0 | 66.4 | 54.8 | 36.8 | 24.1 | 51.1 |
| Min °F | -1.9 | 3.8 | 18.5 | 29.9 | 40.8 | 51.0 | 57.7 | 55.5 | 44.2 | 33.5 | 21.4 | 6.7 | 30.1 |
| Mean °F | 8.4 | 14.7 | 28.2 | 40.9 | 54.3 | 62.8 | 68.4 | 65.8 | 55.3 | 44.2 | 29.1 | 15.4 | 40.6 |
| HDD base 65 |
1755 | 1409 | 1143 | 725 | 373 | 184 | 84 | 106 | 301 | 647 | 1078 | 1538 | 9343 |
| CDD base 65 |
0 | 0 | 0 | 2 | 42 | 117 | 188 | 129 | 11 | 0 | 0 | 0 | 489 |
| Month | High Mean°F |
Year | Low Mean°F |
Year | 1-Day Max°F |
Date | 1-Day Min°F |
Date |
| JAN | 27.5 | 1990 | -5.7 | 1982 | 54 | 01-23-1981 | -50 | 01-09-1977 |
| FEB | 28.0 | 1998 | 1.3 | 1979 | 59 | 02-29-2000 | -55 | 02-02-1996 |
| MAR | 37.6 | 1973 | 15.2 | 1984 | 72 | 03-30-1986 | -48 | 03-01-1962 |
| APR | 50.1 | 1955 | 32.3 | 1996 | 89 | 04-28-1952 | -5 | 04-05-1995 |
| MAY | 64.5 | 1977 | 47.3 | 1983 | 92 | 05-02-1959 | 12 | 05-09-1966 |
| JUN | 75.0 | 1988 | 52.8 | 1982 | 98 | 06-20-1995 | 22 | 06-01-1993 |
| JUL | 78.4 | 1983 | 59.2 | 1992 | 102 | 07-15-1988 | 30 | 07-13-1990 |
| AUG | 77.4 | 1983 | 57.4 | 1997 | 100 | 08-01-1988 | 25 | 08-29-1976 |
| SEP | 62.7 | 1990 | 50.7 | 1965 | 95 | 09-07-1976 | 16 | 09-24-1976 |
| OCT | 52.8 | 1963 | 38.7 | 1980 | 87 | 10-02-1953 | 3 | 10-31-1951 |
| NOV | 41.0 | 2001 | 20.4 | 1996 | 73 | 11-03-1978 | -32 | 11-29-1976 |
| DEC | 25.9 | 1994 | 1.0 | 1989 | 61 | 12-03-1962 | -52 | 12-19-1983 |
| Annual | 47.7 | 1971 | 35.0 | 1979 | 102 | 07-15-1988 | -55 | 02-02-1996 |
| Winter | 23.2 | 1998 | 1.9 | 1979 | 61 | 12-03-1962 | -55 | 02-02-1996 |
| Spring | 50.2 | 1977 | 34.0 | 1996 | 92 | 05-02-1959 | -48 | 03-01-1962 |
| Summer | 75.4 | 1988 | 60.7 | 1958 | 102 | 07-15-1988 | 22 | 06-01-1993 |
| Fall | 48.3 | 1953 | 38.4 | 1976 | 95 | 09-07-1976 | -32 | 11-29-1976 |
| Month | # Days Max ≥ 90°F |
# Days Max ≤ 32°F |
# Days Min ≤ 32°F |
# Days Min ≤ 0°F |
| JAN | 0.0 | 25.7 | 30.9 | 16.7 |
| FEB | 0.0 | 18.2 | 27.5 | 11.0 |
| MAR | 0.0 | 8.2 | 26.8 | 4.4 |
| APR | 0.0 | 0.9 | 19.7 | 0.1 |
| MAY | 0.3 | 0.0 | 7.3 | 0.0 |
| JUN | 1.3 | 0.0 | 1.4 | 0.0 |
| JUL | 3.4 | 0.0 | 0.1 | 0.0 |
| AUG | 1.9 | 0.0 | 0.3 | 0.0 |
| SEP | 0.2 | 0.0 | 4.2 | 0.0 |
| OCT | 0.0 | 0.1 | 15.5 | 0.0 |
| NOV | 0.0 | 8.7 | 25.8 | 1.8 |
| DEC | 0.0 | 22.4 | 30.6 | 10.6 |
| Annual | 7.4 | 81.6 | 188.0 | 42.4 |
| Winter | 0.0 | 66.3 | 89.0 | 38.2 |
| Spring | 0.3 | 9.2 | 54.2 | 4.5 |
| Summer | 6.7 | 0.0 | 1.8 | 0.0 |
| Fall | 0.2 | 8.9 | 46.3 | 1.8 |