Mackinaw City 2 Threshold Days by Year (USC00205000)
17 fixed thresholds counted per year at Mackinaw City 2 (USC00205000): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Mackinaw City 2 Thresholds
- Mackinaw City 2: days with a maximum temperature at or below 0 C (32 F) in 67 years, most in 1926 with 101.
- Mackinaw City 2: days with a maximum temperature at or above 30 C (86 F) in 66 years, most in 1919 with 35.
- Mackinaw City 2: nights with a minimum temperature at or below 0 C (32 F) in 63 years, most in 1926 with 189.
- Mackinaw City 2: nights with a minimum temperature at or below -10 C (14 F) in 63 years, most in 1926 with 84.
- 17 fixed thresholds have at least one qualifying day at Mackinaw City 2.
Days at or above 30 C (86 F)
66 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1897 | 8 | 9 |
| 1898 | 12 | 9 |
| 1899 | 7 | 9 |
| 1900 | 10 | 6.3 |
| 1901 | 11 | 6.3 |
| 1902 | 4 | 6.3 |
| 1903 | 2 | 6.3 |
| 1907 | 1 | 6.3 |
| 1908 | 9 | 6.3 |
| 1909 | 7 | 6.3 |
| 1910 | 9 | 14.7 |
| 1911 | 12 | 14.7 |
| 1912 | 3 | 14.7 |
| 1915 | 1 | 14.7 |
| 1916 | 28 | 14.7 |
| 1918 | 15 | 14.7 |
| 1919 | 35 | 14.7 |
| 1921 | 16 | 4.8 |
| 1922 | 5 | 4.8 |
| 1923 | 3 | 4.8 |
| 1924 | 1 | 4.8 |
| 1925 | 5 | 4.8 |
| 1926 | 2 | 4.8 |
| 1928 | 1 | 4.8 |
| 1929 | 5 | 4.8 |
| 1930 | 2 | 6.7 |
| 1931 | 14 | 6.7 |
| 1932 | 7 | 6.7 |
| 1933 | 5 | 6.7 |
| 1934 | 3 | 6.7 |
| 1935 | 7 | 6.7 |
| 1936 | 10 | 6.7 |
| 1937 | 11 | 6.7 |
| 1938 | 3 | 6.7 |
| 1939 | 5 | 6.7 |
| 1940 | 2 | 7.3 |
| 1941 | 10 | 7.3 |
| 1942 | 11 | 7.3 |
| 1943 | 2 | 7.3 |
| 1944 | 11 | 7.3 |
| 1945 | 6 | 7.3 |
| 1946 | 2 | 7.3 |
| 1947 | 13 | 7.3 |
| 1948 | 7 | 7.3 |
| 1949 | 9 | 7.3 |
| 1950 | 1 | 7 |
| 1951 | 1 | 7 |
| 1952 | 4 | 7 |
| 1953 | 9 | 7 |
| 1954 | 1 | 7 |
| 1955 | 22 | 7 |
| 1956 | 4 | 7 |
| 1957 | 7 | 7 |
| 1958 | 4 | 7 |
| 1959 | 17 | 7 |
| 1960 | 7 | 6.7 |
| 1961 | 3 | 6.7 |
| 1962 | 10 | 6.7 |
| 1963 | 12 | 6.7 |
| 1965 | 3 | 6.7 |
| 1966 | 13 | 6.7 |
| 1967 | 4 | 6.7 |
| 1968 | 3 | 6.7 |
| 1969 | 5 | 6.7 |
| 1970 | 5 | 5 |
| 1971 | 5 | 5 |
| Year | First date | Last date |
|---|---|---|
| 1897 | 1897-07-03 | 1897-09-09 |
| 1898 | 1898-06-24 | 1898-09-03 |
| 1899 | 1899-08-18 | 1899-09-16 |
| 1900 | 1900-06-26 | 1900-09-11 |
| 1901 | 1901-06-27 | 1901-09-06 |
| 1902 | 1902-07-05 | 1902-08-03 |
| 1903 | 1903-07-07 | 1903-07-08 |
| 1907 | 1907-06-17 | 1907-06-17 |
| 1908 | 1908-07-11 | 1908-09-26 |
| 1909 | 1909-06-30 | 1909-08-25 |
| 1910 | 1910-06-17 | 1910-08-20 |
| 1911 | 1911-05-19 | 1911-08-27 |
| 1912 | 1912-07-05 | 1912-07-10 |
| 1915 | 1915-09-14 | 1915-09-14 |
| 1916 | 1916-07-03 | 1916-10-04 |
| 1918 | 1918-05-07 | 1918-08-26 |
| 1919 | 1919-05-29 | 1919-09-03 |
| 1921 | 1921-05-20 | 1921-09-01 |
| 1922 | 1922-06-07 | 1922-08-24 |
| 1923 | 1923-06-18 | 1923-06-25 |
| 1924 | 1924-08-30 | 1924-08-30 |
| 1925 | 1925-06-05 | 1925-08-25 |
| 1926 | 1926-07-20 | 1926-08-28 |
| 1928 | 1928-08-16 | 1928-08-16 |
| 1929 | 1929-06-18 | 1929-09-04 |
| 1930 | 1930-08-03 | 1930-08-29 |
| 1931 | 1931-05-28 | 1931-09-13 |
| 1932 | 1932-07-12 | 1932-09-19 |
| 1933 | 1933-06-27 | 1933-09-02 |
| 1934 | 1934-07-19 | 1934-08-18 |
| 1935 | 1935-07-17 | 1935-08-18 |
| 1936 | 1936-07-07 | 1936-09-23 |
| 1937 | 1937-05-31 | 1937-09-01 |
| 1938 | 1938-07-13 | 1938-08-14 |
| 1939 | 1939-05-07 | 1939-09-15 |
| 1940 | 1940-07-07 | 1940-07-24 |
| 1941 | 1941-06-20 | 1941-09-21 |
| 1942 | 1942-06-28 | 1942-09-01 |
| 1943 | 1943-06-24 | 1943-07-13 |
| 1944 | 1944-06-05 | 1944-08-15 |
| 1945 | 1945-06-23 | 1945-09-07 |
| 1946 | 1946-06-25 | 1946-09-21 |
| 1947 | 1947-06-10 | 1947-09-09 |
| 1948 | 1948-07-05 | 1948-09-12 |
| 1949 | 1949-06-11 | 1949-08-26 |
| 1950 | 1950-07-12 | 1950-07-12 |
| 1951 | 1951-09-12 | 1951-09-12 |
| 1952 | 1952-07-07 | 1952-09-12 |
| 1953 | 1953-08-26 | 1953-09-04 |
| 1954 | 1954-07-26 | 1954-07-26 |
| 1955 | 1955-06-27 | 1955-09-18 |
| 1956 | 1956-06-12 | 1956-09-03 |
| 1957 | 1957-06-21 | 1957-08-03 |
| 1958 | 1958-07-26 | 1958-08-31 |
| 1959 | 1959-06-08 | 1959-09-09 |
| 1960 | 1960-07-28 | 1960-09-08 |
| 1961 | 1961-06-29 | 1961-09-10 |
| 1962 | 1962-05-16 | 1962-08-31 |
| 1963 | 1963-06-01 | 1963-08-06 |
| 1965 | 1965-06-27 | 1965-08-14 |
| 1966 | 1966-06-23 | 1966-08-29 |
| 1967 | 1967-07-22 | 1967-08-17 |
| 1968 | 1968-07-14 | 1968-08-26 |
| 1969 | 1969-07-15 | 1969-08-28 |
| 1970 | 1970-07-25 | 1970-08-15 |
| 1971 | 1971-06-17 | 1971-09-04 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 66 | 35 | 1919 | 5 |
| 35 C (95 F): Days | 15 | 6 | 1916 | 1 |
| 40 C (104 F): Days | 1 | 1 | 1916 | 1 |
| 90 F (32.2 C): Days | 46 | 16 | 1916 | 2 |
| 100 F (37.8 C): Days | 1 | 2 | 1916 | 2 |
| 0 C (32 F): Ice days (max | 67 | 101 | 1926 | 77 |
| 0 C (32 F): Frost days (min | 63 | 189 | 1926 | 159 |
| -10 C (14 F): Days with min | 63 | 84 | 1926 | 61 |
| -20 C (-4 F): Days with min | 58 | 29 | 1963 | 7 |
| -30 C (-22 F): Days with min | 7 | 5 | 1899 | 1 |
| 20 C (68 F): Tropical nights (min | 43 | 24 | 1955 | 1 |
| 25 C (77 F): Days with min | 2 | 3 | 1955 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 58 | 44 | 1900 | 32 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 55 | 19 | 1903 | 7 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 21 | 3 | 1903 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 34 | 12 | 1971 | 12 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 9 | 2 | 1951 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1897.
Download the Data
Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-17 (17 October 2026). Threshold counts are computed by this site.
Data as of . Last revised (2025-12-31).