1971-2000 NCDC Normals
| Element | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN |
| Max °F | 18.7 | 25.0 | 36.3 | 52.1 | 66.1 | 74.2 | 78.3 | 76.1 | 67.1 | 54.8 | 38.2 | 24.0 | 50.9 |
| Min °F | -1.0 | 4.6 | 17.6 | 31.9 | 43.8 | 53.0 | 57.4 | 55.0 | 45.4 | 34.5 | 22.1 | 6.4 | 30.9 |
| Mean °F | 8.9 | 14.8 | 27.0 | 42.0 | 55.0 | 63.6 | 67.9 | 65.6 | 56.3 | 44.7 | 30.2 | 15.2 | 40.9 |
| HDD base 65 |
1743 | 1406 | 1179 | 691 | 337 | 109 | 32 | 78 | 272 | 632 | 1045 | 1543 | 9067 |
| CDD base 65 |
0 | 0 | 0 | 0 | 27 | 67 | 121 | 94 | 10 | 0 | 0 | 0 | 319 |
| Month | High Mean°F |
Year | Low Mean°F |
Year | 1-Day Max°F |
Date | 1-Day Min°F |
Date |
| JAN | 21.5 | 1990 | -4.9 | 1977 | 52 | 01-26-1981 | -42 | 01-30-1951 |
| FEB | 29.2 | 1998 | 4.9 | 1989 | 54 | 02-18-1981 | -38 | 02-09-1951 |
| MAR | 37.6 | 2000 | 15.7 | 1960 | 78 | 03-30-1986 | -36 | 03-01-1962 |
| APR | 48.7 | 1955 | 34.2 | 1950 | 87 | 04-30-1952 | 2 | 04-03-1954 |
| MAY | 62.3 | 1977 | 47.3 | 1966 | 93 | 05-03-1959 | 13 | 05-09-1966 |
| JUN | 68.3 | 1991 | 56.5 | 1969 | 94 | 06-25-1988 | 28 | 06-10-1972 |
| JUL | 72.7 | 1955 | 61.9 | 1992 | 99 | 07-14-1995 | 35 | 07-20-1966 |
| AUG | 70.9 | 1995 | 60.4 | 1966 | 101 | 08-03-1964 | 28 | 08-20-1950 |
| SEP | 62.5 | 1998 | 50.3 | 1993 | 94 | 09-08-1976 | 21 | 09-29-1967 |
| OCT | 54.8 | 1963 | 39.2 | 1988 | 88 | 10-03-1953 | 8 | 10-26-1962 |
| NOV | 43.0 | 2001 | 20.5 | 1959 | 76 | 11-01-1950 | -18 | 11-28-1976 |
| DEC | 25.9 | 2001 | 2.6 | 1983 | 62 | 12-06-2001 | -33 | 12-19-1983 |
| Annual | 46.2 | 1998 | 37.8 | 1950 | 101 | 08-03-1964 | -42 | 01-30-1951 |
| Winter | 23.7 | 1998 | 3.9 | 1977 | 62 | 12-06-1901 | -42 | 01-30-1951 |
| Spring | 47.4 | 1977 | 35.0 | 1950 | 93 | 05-03-1959 | -36 | 03-01-1962 |
| Summer | 69.8 | 1988 | 61.6 | 1992 | 101 | 08-03-1964 | 28 | 06-10-1972 |
| Fall | 49.3 | 1953 | 38.8 | 1976 | 94 | 09-08-1976 | -18 | 11-28-1976 |
| Month | # Days Max ≥ 90°F |
# Days Max ≤ 32°F |
# Days Min ≤ 32°F |
# Days Min ≤ 0°F |
| JAN | 0.0 | 26.4 | 31.0 | 16.2 |
| FEB | 0.0 | 19.0 | 27.6 | 10.8 |
| MAR | 0.0 | 10.0 | 27.3 | 4.1 |
| APR | 0.0 | 1.0 | 15.9 | 0.0 |
| MAY | 0.0 | 0.0 | 3.1 | 0.0 |
| JUN | 0.7 | 0.0 | 0.1 | 0.0 |
| JUL | 1.7 | 0.0 | 0.0 | 0.0 |
| AUG | 0.9 | 0.0 | 0.1 | 0.0 |
| SEP | 0.2 | 0.0 | 2.3 | 0.0 |
| OCT | 0.0 | 0.1 | 13.7 | 0.0 |
| NOV | 0.0 | 9.1 | 25.8 | 1.4 |
| DEC | 0.0 | 23.4 | 30.8 | 10.7 |
| Annual | 3.4 | 89.1 | 177.6 | 43.2 |
| Winter | 0.0 | 68.8 | 89.4 | 37.7 |
| Spring | 0.0 | 11.0 | 46.3 | 4.1 |
| Summer | 3.2 | 0.0 | 0.2 | 0.0 |
| Fall | 0.2 | 9.3 | 41.7 | 1.4 |