1971-2000 NCDC Normals
| Element | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN |
| Max °F | 21.5 | 27.7 | 39.0 | 54.8 | 67.7 | 76.6 | 80.0 | 77.2 | 69.2 | 57.7 | 40.2 | 26.2 | 53.2 |
| Min °F | 3.0 | 8.7 | 21.0 | 33.3 | 45.2 | 54.8 | 59.2 | 57.3 | 48.7 | 37.8 | 24.1 | 10.3 | 33.6 |
| Mean °F | 12.3 | 18.2 | 30.0 | 44.1 | 56.5 | 65.7 | 69.6 | 67.3 | 59.0 | 47.8 | 32.2 | 18.3 | 43.4 |
| HDD base 65 |
1635 | 1311 | 1086 | 629 | 301 | 71 | 20 | 50 | 208 | 535 | 986 | 1450 | 8282 |
| CDD base 65 |
0 | 0 | 0 | 1 | 36 | 92 | 164 | 120 | 27 | 1 | 0 | 0 | 441 |
| Month | High Mean°F |
Year | Low Mean°F |
Year | 1-Day Max°F |
Date | 1-Day Min°F |
Date |
| JAN | 28.0 | 1990 | -3.0 | 1912 | 59 | 01-25-1944 | -43 | 01-30-1951 |
| FEB | 30.6 | 1998 | 2.1 | 1936 | 63 | 02-27-2000 | -40 | 02-25-1928 |
| MAR | 42.5 | 1910 | 18.9 | 1960 | 84 | 03-29-1986 | -39 | 03-01-1962 |
| APR | 52.7 | 1955 | 36.2 | 1907 | 90 | 04-28-1952 | -3 | 04-09-1928 |
| MAY | 66.7 | 1977 | 48.0 | 1924 | 105 | 05-31-1934 | 18 | 05-10-1966 |
| JUN | 77.0 | 1933 | 59.5 | 1969 | 106 | 06-27-1933 | 29 | 06-04-1945 |
| JUL | 81.2 | 1916 | 63.8 | 1924 | 112 | 07-13-1936 | 37 | 07-19-1929 |
| AUG | 76.5 | 1947 | 63.3 | 1903 | 105 | 08-24-1948 | 33 | 08-30-1915 |
| SEP | 66.5 | 1998 | 54.7 | 1993 | 100 | 09-06-1922 | 16 | 09-22-1974 |
| OCT | 59.3 | 1947 | 38.2 | 1925 | 91 | 10-01-1976 | 0 | 10-30-1925 |
| NOV | 44.6 | 2001 | 24.0 | 1951 | 78 | 11-01-1933 | -19 | 11-25-1950 |
| DEC | 30.9 | 1913 | 6.5 | 2000 | 62 | 12-05-2001 | -32 | 12-19-1983 |
| Annual | 48.7 | 1931 | 39.2 | 1924 | 112 | 07-13-1936 | -43 | 01-30-1951 |
| Winter | 25.7 | 1983 | 8.3 | 1904 | 63 | 02-27-1900 | -43 | 01-30-1951 |
| Spring | 52.5 | 1977 | 38.3 | 1924 | 105 | 05-31-1934 | -39 | 03-01-1962 |
| Summer | 73.3 | 1988 | 62.5 | 1924 | 112 | 07-13-1936 | 29 | 06-04-1945 |
| Fall | 52.8 | 1931 | 42.8 | 1951 | 100 | 09-06-1922 | -19 | 11-25-1950 |
| Month | # Days Max ≥ 90°F |
# Days Max ≤ 32°F |
# Days Min ≤ 32°F |
# Days Min ≤ 0°F |
| JAN | 0.0 | 23.2 | 30.8 | 11.8 |
| FEB | 0.0 | 15.6 | 27.3 | 7.7 |
| MAR | 0.0 | 6.2 | 25.8 | 2.5 |
| APR | 0.1 | 0.4 | 13.8 | 0.0 |
| MAY | 0.3 | 0.0 | 2.9 | 0.0 |
| JUN | 2.3 | 0.0 | 0.0 | 0.0 |
| JUL | 4.2 | 0.0 | 0.0 | 0.0 |
| AUG | 1.9 | 0.0 | 0.0 | 0.0 |
| SEP | 0.4 | 0.0 | 1.2 | 0.0 |
| OCT | 0.1 | 0.0 | 9.1 | 0.0 |
| NOV | 0.0 | 5.6 | 23.0 | 0.6 |
| DEC | 0.0 | 19.3 | 29.9 | 7.2 |
| Annual | 9.2 | 70.7 | 164.5 | 30.0 |
| Winter | 0.0 | 58.1 | 87.9 | 26.7 |
| Spring | 0.4 | 6.6 | 42.4 | 2.6 |
| Summer | 8.4 | 0.0 | 0.0 | 0.0 |
| Fall | 0.5 | 5.7 | 33.7 | 0.6 |