De Hoop Threshold Days by Year (SF000304930)

4 fixed thresholds counted per year at De Hoop (SF000304930): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for De Hoop Thresholds

De Hoop: days with 10 mm (0.39 in) or more of precipitation in 61 years, most in 1921 with 21.
De Hoop: days with 25 mm (0.98 in) or more of precipitation in 59 years, most in 1944 with 9.
De Hoop: days with 50 mm (1.97 in) or more of precipitation in 24 years, most in 1931 with 2.
De Hoop: days with 100 mm (3.94 in) or more of precipitation in 4 years, most in 1916 with 1.
4 fixed thresholds have at least one qualifying day at De Hoop.

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

61 years with a qualifying day

Days per year at De Hoop with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 21 in 1921.

Days with 10 mm (0.39 in) or more of precipitation per year at De Hoop
Year	Days	Decade average
1913	13	12
1914	13	12
1915	8	12
1916	10	12
1917	20	12
1918	12	12
1919	8	12
1920	14	11.2
1921	21	11.2
1922	13	11.2
1923	13	11.2
1924	10	11.2
1925	9	11.2
1926	7	11.2
1927	7	11.2
1928	7	11.2
1929	11	11.2
1930	16	12.5
1931	12	12.5
1932	14	12.5
1933	8	12.5
1934	11	12.5
1935	18	12.5
1936	12	12.5
1937	8	12.5
1938	12	12.5
1939	14	12.5
1940	11	11
1941	11	11
1942	9	11
1943	11	11
1944	13	11
1945	10	11
1946	11	11
1947	16	11
1948	10	11
1949	8	11
1950	16	14.2
1951	11	14.2
1952	18	14.2
1953	18	14.2
1954	17	14.2
1955	9	14.2
1956	16	14.2
1957	11	14.2
1958	11	14.2
1959	15	14.2
1960	10	13.1
1961	10	13.1
1962	12	13.1
1963	14	13.1
1964	20	13.1
1965	17	13.1
1966	8	13.1
1967	16	13.1
1968	16	13.1
1969	8	13.1
1970	10	15.5
1971	20	15.5
1972	16	15.5
1973	16	15.5

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

First to last qualifying date each year at De Hoop
Year	First date	Last date
1913	1913-01-06	1913-10-10
1914	1914-01-22	1914-11-08
1915	1915-02-28	1915-12-31
1916	1916-01-19	1916-12-25
1917	1917-01-07	1917-11-16
1918	1918-03-15	1918-10-29
1919	1919-02-16	1919-11-22
1920	1920-02-20	1920-12-25
1921	1921-02-01	1921-12-29
1922	1922-01-11	1922-11-23
1923	1923-01-27	1923-11-14
1924	1924-01-10	1924-11-07
1925	1925-04-09	1925-12-06
1926	1926-06-17	1926-11-27
1927	1927-05-12	1927-12-02
1928	1928-03-12	1928-11-22
1929	1929-04-14	1929-12-28
1930	1930-01-26	1930-12-31
1931	1931-04-19	1931-12-31
1932	1932-01-01	1932-11-08
1933	1933-02-22	1933-11-26
1934	1934-01-13	1934-11-11
1935	1935-02-09	1935-12-31
1936	1936-03-27	1936-12-03
1937	1937-01-19	1937-11-14
1938	1938-01-19	1938-12-31
1939	1939-02-01	1939-11-12
1940	1940-01-21	1940-11-08
1941	1941-01-06	1941-12-22
1942	1942-01-28	1942-12-02
1943	1943-08-21	1943-12-13
1944	1944-05-12	1944-11-29
1945	1945-05-22	1945-10-14
1946	1946-02-11	1946-10-13
1947	1947-03-05	1947-11-12
1948	1948-01-21	1948-12-20
1949	1949-04-27	1949-11-17
1950	1950-02-23	1950-12-07
1951	1951-01-11	1951-09-03
1952	1952-02-06	1952-12-15
1953	1953-04-18	1953-12-29
1954	1954-03-13	1954-11-20
1955	1955-02-17	1955-11-28
1956	1956-01-16	1956-12-20
1957	1957-01-10	1957-09-13
1958	1958-04-19	1958-12-22
1959	1959-01-11	1959-12-05
1960	1960-01-04	1960-11-13
1961	1961-02-10	1961-10-08
1962	1962-01-15	1962-11-20
1963	1963-03-29	1963-12-11
1964	1964-01-31	1964-12-07
1965	1965-02-18	1965-12-17
1966	1966-01-21	1966-09-21
1967	1967-02-16	1967-12-10
1968	1968-03-28	1968-12-22
1969	1969-01-20	1969-10-17
1970	1970-02-24	1970-12-25
1971	1971-01-09	1971-11-11
1972	1972-01-05	1972-11-03
1973	1973-03-07	1973-12-08

Every Fixed Threshold

Fixed thresholds at De Hoop
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	61	21	1921	16
25 mm (0.98 in): Days with 25 mm or more rain	59	9	1944	2
50 mm (1.97 in): Days with 50 mm or more rain	24	2	1931	2
100 mm (3.94 in): Days with 100 mm or more rain	4	1	1916	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1913.

Download the Data

Data for De Hoop 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).

De Hoop Threshold Days by Year (SF000304930)

Key Facts for De Hoop Thresholds

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

Every Fixed Threshold

Download the Data

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