Dwaleni Threshold Days by Year (WZ004094600)

5 fixed thresholds counted per year at Dwaleni (WZ004094600): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Dwaleni Thresholds

Dwaleni: days with 10 mm (0.39 in) or more of precipitation in 66 years, most in 1917 with 42.
Dwaleni: days with 25 mm (0.98 in) or more of precipitation in 66 years, most in 1925 with 14.
Dwaleni: days with 50 mm (1.97 in) or more of precipitation in 47 years, most in 1918 with 5.
Dwaleni: days with 100 mm (3.94 in) or more of precipitation in 5 years, most in 1918 with 1.
5 fixed thresholds have at least one qualifying day at Dwaleni.

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

66 years with a qualifying day

Days per year at Dwaleni with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 42 in 1917.

Days with 10 mm (0.39 in) or more of precipitation per year at Dwaleni
Year	Days	Decade average
1916	17	26
1917	42	26
1918	24	26
1919	21	26
1920	26	24.7
1921	20	24.7
1922	32	24.7
1923	22	24.7
1924	34	24.7
1925	34	24.7
1926	17	24.7
1927	23	24.7
1928	14	24.7
1929	25	24.7
1930	21	23.7
1931	18	23.7
1932	28	23.7
1933	19	23.7
1934	25	23.7
1935	16	23.7
1936	34	23.7
1937	24	23.7
1938	21	23.7
1939	31	23.7
1940	26	25.3
1941	14	25.3
1943	36	25.3
1944	32	25.3
1945	16	25.3
1946	30	25.3
1947	28	25.3
1948	20	25.3
1949	26	25.3
1950	20	24.2
1951	22	24.2
1952	19	24.2
1954	20	24.2
1955	34	24.2
1956	22	24.2
1957	29	24.2
1958	27	24.2
1959	25	24.2
1960	28	24.1
1961	17	24.1
1962	27	24.1
1963	27	24.1
1964	15	24.1
1966	21	24.1
1967	29	24.1
1968	22	24.1
1969	31	24.1
1970	18	26.5
1971	22	26.5
1972	23	26.5
1973	33	26.5
1974	29	26.5
1975	30	26.5
1976	28	26.5
1977	26	26.5
1978	33	26.5
1979	23	26.5
1980	23	22
1981	22	22
1982	18	22
1985	24	22
1986	23	22

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

First to last qualifying date each year at Dwaleni
Year	First date	Last date
1916	1916-01-08	1916-12-22
1917	1917-01-03	1917-12-27
1918	1918-01-04	1918-12-29
1919	1919-01-11	1919-12-20
1920	1920-01-07	1920-12-22
1921	1921-01-11	1921-12-25
1922	1922-01-13	1922-12-30
1923	1923-01-02	1923-12-28
1924	1924-02-04	1924-12-30
1925	1925-01-05	1925-12-31
1926	1926-01-02	1926-12-21
1927	1927-01-30	1927-12-31
1928	1928-01-05	1928-12-10
1929	1929-01-06	1929-12-21
1930	1930-01-04	1930-12-31
1931	1931-01-01	1931-12-21
1932	1932-01-01	1932-12-26
1933	1933-01-06	1933-12-24
1934	1934-01-01	1934-12-29
1935	1935-01-08	1935-12-28
1936	1936-01-12	1936-12-27
1937	1937-01-04	1937-12-31
1938	1938-01-30	1938-12-30
1939	1939-01-06	1939-12-31
1940	1940-01-09	1940-12-27
1941	1941-01-04	1941-12-11
1943	1943-01-04	1943-12-23
1944	1944-01-01	1944-12-31
1945	1945-01-04	1945-12-17
1946	1946-01-01	1946-12-24
1947	1947-01-01	1947-12-25
1948	1948-01-26	1948-12-15
1949	1949-01-12	1949-12-27
1950	1950-01-15	1950-12-31
1951	1951-01-14	1951-12-24
1952	1952-01-30	1952-12-16
1954	1954-01-11	1954-12-27
1955	1955-01-01	1955-12-29
1956	1956-02-03	1956-12-22
1957	1957-01-07	1957-12-22
1958	1958-01-04	1958-12-28
1959	1959-01-01	1959-12-24
1960	1960-01-16	1960-12-30
1961	1961-01-17	1961-12-27
1962	1962-01-10	1962-12-20
1963	1963-01-09	1963-12-29
1964	1964-02-09	1964-11-27
1966	1966-01-04	1966-12-22
1967	1967-01-02	1967-12-19
1968	1968-01-05	1968-12-25
1969	1969-01-06	1969-12-21
1970	1970-01-06	1970-12-20
1971	1971-01-11	1971-12-20
1972	1972-01-10	1972-12-09
1973	1973-01-02	1973-12-23
1974	1974-01-03	1974-12-19
1975	1975-01-11	1975-12-29
1976	1976-01-15	1976-12-26
1977	1977-01-06	1977-12-31
1978	1978-01-04	1978-12-28
1979	1979-01-18	1979-12-23
1980	1980-01-05	1980-12-28
1981	1981-01-03	1981-12-16
1982	1982-01-01	1982-12-25
1985	1985-01-15	1985-12-21
1986	1986-01-01	1986-12-31

Every Fixed Threshold

Fixed thresholds at Dwaleni
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	66	42	1917	23
25 mm (0.98 in): Days with 25 mm or more rain	66	14	1925	4
50 mm (1.97 in): Days with 50 mm or more rain	47	5	1918	1
100 mm (3.94 in): Days with 100 mm or more rain	5	1	1918	1
200 mm (7.87 in): Days with 200 mm or more rain	1	1	1918	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1916.

Download the Data

Data for Dwaleni 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).

Dwaleni Threshold Days by Year (WZ004094600)

Key Facts for Dwaleni Thresholds

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

Every Fixed Threshold

Download the Data

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