1971-2000 NCDC Normals
| Element | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN |
| Max °F | 24.9 | 31.0 | 43.3 | 57.7 | 69.4 | 79.0 | 82.6 | 80.4 | 72.5 | 60.8 | 43.4 | 30.1 | 56.3 |
| Min °F | 7.3 | 12.7 | 23.7 | 34.9 | 46.0 | 55.9 | 60.8 | 59.2 | 50.0 | 38.9 | 26.2 | 14.1 | 35.8 |
| Mean °F | 16.1 | 21.9 | 33.5 | 46.3 | 57.7 | 67.5 | 71.7 | 69.8 | 61.3 | 49.9 | 34.8 | 22.1 | 46.1 |
| HDD base 65 |
1516 | 1208 | 976 | 563 | 262 | 48 | 12 | 34 | 151 | 471 | 907 | 1330 | 7478 |
| CDD base 65 |
0 | 0 | 0 | 2 | 36 | 122 | 220 | 184 | 37 | 2 | 0 | 0 | 603 |
| Month | High Mean°F |
Year | Low Mean°F |
Year | 1-Day Max°F |
Date | 1-Day Min°F |
Date |
| JAN | 28.9 | 1990 | 4.5 | 1977 | 58 | 01-31-1989 | -30 | 01-30-1951 |
| FEB | 34.9 | 1954 | 12.2 | 1979 | 66 | 02-26-2000 | -32 | 02-03-1996 |
| MAR | 42.6 | 1973 | 22.5 | 1960 | 85 | 03-29-1986 | -27 | 03-01-1962 |
| APR | 54.7 | 1977 | 41.5 | 1975 | 94 | 04-22-1980 | 3 | 04-07-1982 |
| MAY | 66.5 | 1977 | 51.2 | 1997 | 93 | 05-30-1953 | 26 | 05-01-1978 |
| JUN | 73.0 | 1971 | 62.6 | 1969 | 101 | 06-20-1988 | 36 | 06-03-1985 |
| JUL | 78.8 | 1955 | 66.3 | 1992 | 102 | 07-27-1955 | 42 | 07-29-1952 |
| AUG | 76.5 | 1983 | 64.9 | 1992 | 103 | 08-17-1988 | 38 | 08-20-1950 |
| SEP | 67.0 | 1948 | 55.5 | 1993 | 100 | 09-01-1953 | 25 | 09-24-1950 |
| OCT | 60.4 | 1963 | 45.0 | 1988 | 91 | 10-02-1953 | 12 | 10-26-1962 |
| NOV | 45.9 | 2001 | 26.5 | 1959 | 80 | 11-01-1950 | -14 | 11-26-1977 |
| DEC | 31.7 | 1959 | 9.8 | 2000 | 64 | 12-06-1998 | -26 | 12-19-1983 |
| Annual | 50.9 | 1987 | 43.2 | 1996 | 103 | 08-17-1988 | -32 | 02-03-1996 |
| Winter | 28.7 | 1998 | 12.8 | 1979 | 66 | 02-26-1900 | -32 | 02-03-1996 |
| Spring | 54.4 | 1977 | 40.6 | 1996 | 94 | 04-22-1980 | -27 | 03-01-1962 |
| Summer | 75.3 | 1988 | 65.5 | 1992 | 103 | 08-17-1988 | 36 | 06-03-1985 |
| Fall | 54.5 | 1963 | 45.2 | 1995 | 100 | 09-01-1953 | -14 | 11-26-1977 |
| Month | # Days Max ≥ 90°F |
# Days Max ≤ 32°F |
# Days Min ≤ 32°F |
# Days Min ≤ 0°F |
| JAN | 0.0 | 21.4 | 30.5 | 9.8 |
| FEB | 0.0 | 13.8 | 26.3 | 5.2 |
| MAR | 0.0 | 5.1 | 23.7 | 1.0 |
| APR | 0.0 | 0.3 | 11.1 | 0.0 |
| MAY | 0.2 | 0.0 | 1.4 | 0.0 |
| JUN | 2.0 | 0.0 | 0.0 | 0.0 |
| JUL | 5.0 | 0.0 | 0.0 | 0.0 |
| AUG | 2.4 | 0.0 | 0.0 | 0.0 |
| SEP | 0.8 | 0.0 | 1.0 | 0.0 |
| OCT | 0.0 | 0.0 | 7.9 | 0.0 |
| NOV | 0.0 | 4.5 | 21.4 | 0.3 |
| DEC | 0.0 | 15.8 | 29.4 | 5.1 |
| Annual | 10.3 | 61.0 | 153.2 | 21.5 |
| Winter | 0.0 | 50.9 | 86.2 | 20.1 |
| Spring | 0.2 | 5.4 | 36.2 | 1.0 |
| Summer | 9.4 | 0.0 | 0.0 | 0.0 |
| Fall | 0.8 | 4.5 | 30.3 | 0.3 |