Douglas Threshold Days by Year

4 fixed thresholds counted per year at Douglas (SF002564530): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Douglas Thresholds

Douglas: days with 10 mm (0.39 in) or more of precipitation in 100 years, most in 1974 with 29.
Douglas: days with 25 mm (0.98 in) or more of precipitation in 84 years, most in 1991 with 9.
Douglas: days with 50 mm (1.97 in) or more of precipitation in 29 years, most in 1974 with 5.
Douglas: days with 100 mm (3.94 in) or more of precipitation in 1 years, most in 1972 with 1.
4 fixed thresholds have at least one qualifying day at Douglas.

Days with 10 mm (0.39 in) or more of precipitation

100 years with a qualifying day

Days per year at Douglas with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 29 in 1974.

Days with 10 mm (0.39 in) or more of precipitation per year at Douglas
Year	Days	Decade average
1884	8	10.4
1885	8	10.4
1886	6	10.4
1887	17	10.4
1888	13	10.4
1890	17	12.7
1892	9	12.7
1898	12	12.7
1901	15	11
1902	13	11
1903	3	11
1904	7	11
1905	12	11
1906	9	11
1907	16	11
1908	6	11
1909	18	11
1911	13	10.9
1912	7	10.9
1913	10	10.9
1914	12	10.9
1915	8	10.9
1916	10	10.9
1917	14	10.9
1918	18	10.9
1919	6	10.9
1920	16	9.8
1921	8	9.8
1922	4	9.8
1923	10	9.8
1925	11	9.8
1926	9	9.8
1927	10	9.8
1928	6	9.8
1929	14	9.8
1930	8	10.4
1931	9	10.4
1932	7	10.4
1933	6	10.4
1934	17	10.4
1935	10	10.4
1936	8	10.4
1937	13	10.4
1938	8	10.4
1939	18	10.4
1940	11	10.8
1941	16	10.8
1942	10	10.8
1943	18	10.8
1944	9	10.8
1945	7	10.8
1946	13	10.8
1947	9	10.8
1948	10	10.8
1949	5	10.8
1950	19	11.7
1951	11	11.7
1952	3	11.7
1954	5	11.7
1955	13	11.7
1956	10	11.7
1957	18	11.7
1958	11	11.7
1959	15	11.7
1960	7	10.4
1961	12	10.4
1962	12	10.4
1963	15	10.4
1964	10	10.4
1965	4	10.4
1966	7	10.4
1967	15	10.4
1969	12	10.4
1970	10	14.7
1971	9	14.7
1972	8	14.7
1973	14	14.7
1974	29	14.7
1975	16	14.7
1976	24	14.7
1977	8	14.7
1978	15	14.7
1979	14	14.7
1981	15	12
1982	9	12
1983	11	12
1984	8	12
1985	14	12
1986	6	12
1987	12	12
1988	23	12
1989	10	12
1990	9	10.8
1991	24	10.8
1992	4	10.8
1993	16	10.8
1994	8	10.8
1995	13	10.8
1996	5	10.8
1997	7	10.8

For each year, a bar from the first to the last day at Douglas meeting 10 mm (0.39 in).

First to last qualifying date each year at Douglas
Year	First date	Last date
1884	1884-01-06	1884-11-03
1885	1885-01-07	1885-11-13
1886	1886-01-16	1886-12-17
1887	1887-01-14	1887-12-19
1888	1888-01-03	1888-12-19
1890	1890-02-08	1890-12-26
1892	1892-01-19	1892-03-27
1898	1898-01-02	1898-11-23
1901	1901-01-28	1901-12-02
1902	1902-01-11	1902-12-19
1903	1903-03-31	1903-11-27
1904	1904-01-09	1904-10-28
1905	1905-01-02	1905-12-14
1906	1906-01-06	1906-10-13
1907	1907-01-05	1907-11-15
1908	1908-02-24	1908-12-15
1909	1909-01-10	1909-12-26
1911	1911-01-05	1911-11-05
1912	1912-01-25	1912-12-05
1913	1913-02-02	1913-11-05
1914	1914-01-20	1914-12-15
1915	1915-02-12	1915-12-30
1916	1916-01-26	1916-12-15
1917	1917-01-24	1917-12-31
1918	1918-01-02	1918-12-04
1919	1919-03-15	1919-08-30
1920	1920-01-29	1920-12-15
1921	1921-02-02	1921-12-09
1922	1922-01-28	1922-12-17
1923	1923-01-24	1923-05-04
1925	1925-01-30	1925-11-23
1926	1926-03-24	1926-12-07
1927	1927-03-14	1927-12-25
1928	1928-01-04	1928-09-30
1929	1929-01-18	1929-12-10
1930	1930-01-13	1930-11-11
1931	1931-01-12	1931-11-06
1932	1932-02-11	1932-12-15
1933	1933-01-30	1933-12-31
1934	1934-01-25	1934-12-10
1935	1935-02-28	1935-12-10
1936	1936-03-23	1936-11-18
1937	1937-01-19	1937-12-23
1938	1938-01-22	1938-12-27
1939	1939-01-25	1939-11-03
1940	1940-01-19	1940-12-02
1941	1941-01-07	1941-09-28
1942	1942-01-02	1942-12-21
1943	1943-01-20	1943-12-18
1944	1944-01-13	1944-10-19
1945	1945-01-26	1945-12-01
1946	1946-01-18	1946-11-25
1947	1947-01-13	1947-12-29
1948	1948-01-07	1948-04-17
1949	1949-03-03	1949-09-07
1950	1950-01-05	1950-12-29
1951	1951-01-01	1951-11-04
1952	1952-02-04	1952-12-14
1954	1954-01-18	1954-12-08
1955	1955-01-27	1955-12-19
1956	1956-01-16	1956-12-06
1957	1957-02-10	1957-12-30
1958	1958-01-02	1958-12-31
1959	1959-01-07	1959-12-12
1960	1960-03-10	1960-11-25
1961	1961-03-11	1961-11-26
1962	1962-02-06	1962-11-17
1963	1963-01-06	1963-12-08
1964	1964-02-11	1964-12-27
1965	1965-01-03	1965-04-23
1966	1966-01-19	1966-12-03
1967	1967-01-03	1967-11-14
1969	1969-02-24	1969-12-07
1970	1970-01-25	1970-12-25
1971	1971-01-09	1971-11-19
1972	1972-01-07	1972-11-24
1973	1973-01-05	1973-12-24
1974	1974-01-08	1974-12-17
1975	1975-01-21	1975-12-17
1976	1976-01-09	1976-10-30
1977	1977-01-27	1977-11-26
1978	1978-01-08	1978-12-18
1979	1979-02-21	1979-11-17
1981	1981-01-24	1981-12-04
1982	1982-02-21	1982-12-05
1983	1983-03-19	1983-12-28
1984	1984-01-01	1984-10-10
1985	1985-02-23	1985-12-20
1986	1986-01-19	1986-10-30
1987	1987-02-10	1987-12-05
1988	1988-02-15	1988-12-13
1989	1989-01-05	1989-09-11
1990	1990-02-04	1990-12-05
1991	1991-01-06	1991-12-08
1992	1992-03-18	1992-08-02
1993	1993-02-06	1993-12-29
1994	1994-01-09	1994-03-03
1995	1995-01-13	1995-12-13
1996	1996-02-27	1996-12-29
1997	1997-01-06	1997-05-25

Every Fixed Threshold

Fixed thresholds at Douglas
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
10 mm (0.39 in): Days with 10 mm or more rain	100	29	1974	7
25 mm (0.98 in): Days with 25 mm or more rain	84	9	1991	4
50 mm (1.97 in): Days with 50 mm or more rain	29	5	1974	1
100 mm (3.94 in): Days with 100 mm or more rain	1	1	1972	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1884.

Download the Data

Data for Douglas 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 2026-10-15 (15 October 2026). Threshold counts are computed by this site.

Data as of 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Douglas Threshold Days by Year

Key Facts for Douglas Thresholds

Days with 10 mm (0.39 in) or more of precipitation

Every Fixed Threshold

Download the Data

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