Belle Isle Threshold Days by Year (CA008500500)

12 fixed thresholds counted per year at Belle Isle (CA008500500): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Belle Isle Thresholds

Belle Isle: days with a maximum temperature at or below 0 C (32 F) in 75 years, most in 1912 with 185.
Belle Isle: nights with a minimum temperature at or below 0 C (32 F) in 73 years, most in 1919 with 283.
Belle Isle: nights with a minimum temperature at or below -10 C (14 F) in 73 years, most in 1918 with 131.
Belle Isle: nights with a minimum temperature at or below -20 C (-4 F) in 73 years, most in 1890 with 43.
12 fixed thresholds have at least one qualifying day at Belle Isle.

Nights at or below 0 C (32 F)

73 years with a qualifying day

Days per year at Belle Isle with nights with a minimum temperature at or below 0 C (32 F), with the decade average as a line. The most was 283 in 1919.

Nights at or below 0 C (32 F) per year at Belle Isle
Year	Days	Decade average
1885	218	208.6
1886	187	208.6
1887	218	208.6
1888	216	208.6
1889	204	208.6
1890	219	209.2
1891	215	209.2
1893	208	209.2
1894	233	209.2
1895	187	209.2
1896	201	209.2
1897	220	209.2
1898	200	209.2
1899	200	209.2
1900	207	236.6
1901	239	236.6
1902	248	236.6
1903	258	236.6
1904	237	236.6
1905	241	236.6
1906	230	236.6
1907	244	236.6
1908	225	236.6
1912	248	256.2
1913	256	256.2
1917	216	256.2
1918	278	256.2
1919	283	256.2
1921	236	220.9
1922	236	220.9
1923	212	220.9
1924	222	220.9
1925	236	220.9
1926	186	220.9
1927	222	220.9
1928	212	220.9
1929	226	220.9
1930	211	217.2
1931	212	217.2
1932	214	217.2
1934	208	217.2
1935	224	217.2
1936	226	217.2
1937	207	217.2
1938	214	217.2
1939	239	217.2
1940	229	229.4
1941	240	229.4
1942	236	229.4
1943	235	229.4
1944	233	229.4
1945	227	229.4
1946	221	229.4
1947	222	229.4
1948	211	229.4
1949	240	229.4
1950	224	226.1
1951	227	226.1
1952	215	226.1
1956	223	226.1
1957	235	226.1
1958	221	226.1
1959	238	226.1
1960	209	220.4
1961	205	220.4
1962	230	220.4
1963	242	220.4
1964	231	220.4
1965	228	220.4
1966	203	220.4
1967	216	220.4
1968	225	220.4
1969	215	220.4

For each year, a bar from the first to the last day at Belle Isle meeting 0 C (32 F).

First to last qualifying date each year at Belle Isle
Year	First date	Last date
1885	1885-01-01	1885-12-31
1886	1886-01-01	1886-12-31
1887	1887-01-01	1887-12-31
1888	1888-01-01	1888-12-31
1889	1889-01-01	1889-12-31
1890	1890-01-01	1890-12-31
1891	1891-01-01	1891-12-31
1893	1893-01-01	1893-12-31
1894	1894-01-02	1894-12-31
1895	1895-01-01	1895-12-31
1896	1896-01-01	1896-12-31
1897	1897-01-01	1897-12-31
1898	1898-01-01	1898-12-31
1899	1899-01-01	1899-12-31
1900	1900-01-01	1900-12-31
1901	1901-01-01	1901-12-31
1902	1902-01-01	1902-12-31
1903	1903-01-01	1903-12-31
1904	1904-01-01	1904-12-31
1905	1905-01-01	1905-12-31
1906	1906-01-01	1906-12-31
1907	1907-01-01	1907-12-30
1908	1908-01-01	1908-12-31
1912	1912-01-01	1912-12-31
1913	1913-01-01	1913-12-31
1917	1917-01-01	1917-12-31
1918	1918-01-01	1918-12-31
1919	1919-01-01	1919-12-31
1921	1921-01-01	1921-12-31
1922	1922-01-01	1922-12-31
1923	1923-01-01	1923-12-31
1924	1924-01-01	1924-12-31
1925	1925-01-01	1925-12-31
1926	1926-01-01	1926-12-31
1927	1927-01-01	1927-12-31
1928	1928-01-01	1928-12-31
1929	1929-01-01	1929-12-31
1930	1930-01-01	1930-12-31
1931	1931-01-01	1931-12-31
1932	1932-01-01	1932-12-31
1934	1934-01-01	1934-12-31
1935	1935-01-01	1935-12-31
1936	1936-01-01	1936-12-31
1937	1937-01-01	1937-12-31
1938	1938-01-01	1938-12-31
1939	1939-01-01	1939-12-31
1940	1940-01-01	1940-12-31
1941	1941-01-01	1941-12-31
1942	1942-01-01	1942-12-31
1943	1943-01-01	1943-12-31
1944	1944-01-01	1944-12-31
1945	1945-01-01	1945-12-31
1946	1946-01-01	1946-12-31
1947	1947-01-01	1947-12-31
1948	1948-01-01	1948-12-31
1949	1949-01-01	1949-12-31
1950	1950-01-01	1950-12-31
1951	1951-01-01	1951-12-31
1952	1952-01-01	1952-12-31
1956	1956-01-01	1956-12-31
1957	1957-01-01	1957-12-31
1958	1958-01-01	1958-12-31
1959	1959-01-01	1959-12-31
1960	1960-01-01	1960-12-31
1961	1961-01-01	1961-12-31
1962	1962-01-01	1962-12-31
1963	1963-01-01	1963-12-31
1964	1964-01-01	1964-12-31
1965	1965-01-01	1965-12-31
1966	1966-01-01	1966-12-31
1967	1967-01-01	1967-12-31
1968	1968-01-01	1968-12-31
1969	1969-01-01	1969-12-31

Every Fixed Threshold

Fixed thresholds at Belle Isle
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
0 C (32 F): Ice days (max	75	185	1912	127
0 C (32 F): Frost days (min	73	283	1919	215
-10 C (14 F): Days with min	73	131	1918	36
-20 C (-4 F): Days with min	73	43	1890	1
-30 C (-22 F): Days with min	20	3	1904	3
10 mm (0.39 in): Days with 10 mm or more rain	44	46	1939	40
25 mm (0.98 in): Days with 25 mm or more rain	44	19	1904	6
50 mm (1.97 in): Days with 50 mm or more rain	19	2	1902	1
100 mm (3.94 in): Days with 100 mm or more rain	1	1	1902	1
10 cm (3.9 in): Days with 10 cm or more snowfall	44	22	1939	12
25 cm (9.8 in): Days with 25 cm or more snowfall	15	5	1901	1
50 cm (19.7 in): Days with 50 cm or more snowfall	1	1	1902	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1885.

Download the Data

Data for Belle Isle threshold days by year: CSV or JSON. Field meanings are on the data page.

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 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Belle Isle Threshold Days by Year (CA008500500)

Key Facts for Belle Isle Thresholds

Nights at or below 0 C (32 F)

Every Fixed Threshold

Download the Data

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