1971-2000 NCDC Normals
| Element | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN |
| Max °F | 20.0 | 27.1 | 37.3 | 52.1 | 65.8 | 74.4 | 79.0 | 77.2 | 67.7 | 55.9 | 37.6 | 24.2 | 51.5 |
| Min °F | -3.3 | 3.3 | 15.6 | 26.8 | 36.1 | 45.2 | 52.8 | 51.7 | 43.6 | 32.8 | 19.6 | 3.9 | 27.3 |
| Mean °F | 8.4 | 15.2 | 26.5 | 39.5 | 51.0 | 59.8 | 65.9 | 64.5 | 55.7 | 44.4 | 28.6 | 14.1 | 39.5 |
| HDD base 65 |
1758 | 1394 | 1196 | 767 | 439 | 178 | 80 | 91 | 285 | 640 | 1092 | 1579 | 9499 |
| CDD base 65 |
0 | 0 | 0 | 0 | 3 | 20 | 108 | 72 | 5 | 0 | 0 | 0 | 208 |
| Month | High Mean°F |
Year | Low Mean°F |
Year | 1-Day Max°F |
Date | 1-Day Min°F |
Date |
| JAN | 18.6 | 1987 | -7.0 | 1982 | 54 | 01-25-1973 | -45 | 01-15-1972 |
| FEB | 30.5 | 1998 | 2.0 | 1989 | 59 | 02-24-1976 | -42 | 02-02-1996 |
| MAR | 34.7 | 2000 | 17.0 | 1965 | 75 | 03-31-1986 | -35 | 03-02-1989 |
| APR | 46.5 | 1987 | 33.6 | 1975 | 89 | 04-20-1987 | -4 | 04-08-1972 |
| MAY | 57.2 | 1977 | 46.0 | 1967 | 94 | 05-28-1969 | 14 | 05-09-1966 |
| JUN | 63.8 | 1976 | 51.6 | 1982 | 98 | 06-16-1987 | 21 | 06-09-1988 |
| JUL | 71.3 | 1975 | 60.4 | 1992 | 104 | 07-27-1988 | 32 | 07-14-1987 |
| AUG | 69.5 | 1983 | 57.8 | 1982 | 99 | 08-16-1988 | 28 | 08-22-1967 |
| SEP | 59.8 | 1978 | 49.5 | 1965 | 100 | 09-07-1976 | 18 | 09-26-1965 |
| OCT | 51.3 | 1973 | 37.5 | 1988 | 88 | 10-02-1992 | -1 | 10-30-1988 |
| NOV | 33.6 | 1994 | 21.2 | 1985 | 75 | 11-03-1978 | -29 | 11-30-1964 |
| DEC | 23.5 | 1979 | 2.6 | 1983 | 57 | 12-03-1998 | -43 | 12-19-1983 |
| Annual | 48.0 | 1964 | 35.9 | 1982 | 104 | 07-27-1988 | -45 | 01-15-1972 |
| Winter | 21.7 | 1998 | 5.3 | 1979 | 59 | 02-24-1976 | -45 | 01-15-1972 |
| Spring | 45.3 | 1977 | 33.5 | 1982 | 94 | 05-28-1969 | -35 | 03-02-1989 |
| Summer | 66.7 | 1970 | 56.9 | 1982 | 104 | 07-27-1988 | 21 | 06-09-1988 |
| Fall | 48.7 | 1999 | 38.8 | 1993 | 100 | 09-07-1976 | -29 | 11-30-1964 |
| Month | # Days Max ≥ 90°F |
# Days Max ≤ 32°F |
# Days Min ≤ 32°F |
# Days Min ≤ 0°F |
| JAN | 0.0 | 26.0 | 30.9 | 18.3 |
| FEB | 0.0 | 18.3 | 27.7 | 11.7 |
| MAR | 0.0 | 9.1 | 29.2 | 4.5 |
| APR | 0.0 | 0.9 | 22.5 | 0.2 |
| MAY | 0.3 | 0.0 | 10.3 | 0.0 |
| JUN | 1.3 | 0.0 | 1.4 | 0.0 |
| JUL | 2.9 | 0.0 | 0.1 | 0.0 |
| AUG | 1.5 | 0.0 | 0.2 | 0.0 |
| SEP | 0.2 | 0.0 | 4.0 | 0.0 |
| OCT | 0.0 | 0.3 | 14.7 | 0.0 |
| NOV | 0.0 | 9.8 | 26.8 | 2.1 |
| DEC | 0.0 | 22.8 | 30.8 | 13.3 |
| Annual | 6.3 | 87.2 | 198.8 | 50.2 |
| Winter | 0.0 | 67.1 | 89.4 | 43.4 |
| Spring | 0.3 | 10.1 | 62.3 | 4.8 |
| Summer | 5.8 | 0.0 | 1.7 | 0.0 |
| Fall | 0.2 | 10.0 | 45.6 | 2.1 |