Aardoorns Threshold Days by Year (SF002937000)

4 fixed thresholds counted per year at Aardoorns (SF002937000): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Aardoorns Thresholds

Aardoorns: days with 10 mm (0.39 in) or more of precipitation in 60 years, most in 1974 with 34.
Aardoorns: days with 25 mm (0.98 in) or more of precipitation in 57 years, most in 1943 with 10.
Aardoorns: days with 50 mm (1.97 in) or more of precipitation in 31 years, most in 1941 with 3.
Aardoorns: days with 100 mm (3.94 in) or more of precipitation in 1 years, most in 1937 with 1.
4 fixed thresholds have at least one qualifying day at Aardoorns.

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

60 years with a qualifying day

Days per year at Aardoorns with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 34 in 1974.

Days with 10 mm (0.39 in) or more of precipitation per year at Aardoorns
Year	Days	Decade average
1918	12	11
1919	10	11
1920	10	16.4
1922	14	16.4
1923	23	16.4
1924	22	16.4
1925	18	16.4
1926	14	16.4
1927	12	16.4
1928	18	16.4
1930	8	14.9
1931	13	14.9
1932	6	14.9
1933	10	14.9
1934	25	14.9
1935	19	14.9
1936	20	14.9
1937	9	14.9
1938	13	14.9
1939	26	14.9
1940	13	17.1
1941	9	17.1
1942	26	17.1
1943	30	17.1
1944	11	17.1
1945	10	17.1
1946	19	17.1
1947	19	17.1
1948	20	17.1
1949	14	17.1
1950	23	20.2
1951	16	20.2
1952	13	20.2
1953	19	20.2
1954	16	20.2
1955	27	20.2
1956	20	20.2
1957	25	20.2
1958	19	20.2
1959	24	20.2
1960	21	19.2
1961	23	19.2
1962	21	19.2
1963	25	19.2
1964	14	19.2
1965	10	19.2
1966	17	19.2
1967	31	19.2
1968	13	19.2
1969	17	19.2
1970	16	18.6
1971	17	18.6
1972	17	18.6
1973	18	18.6
1974	34	18.6
1975	20	18.6
1976	21	18.6
1977	17	18.6
1978	15	18.6
1979	11	18.6

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

First to last qualifying date each year at Aardoorns
Year	First date	Last date
1918	1918-01-02	1918-12-08
1919	1919-01-03	1919-11-01
1920	1920-01-23	1920-11-17
1922	1922-01-08	1922-12-30
1923	1923-01-09	1923-12-20
1924	1924-01-25	1924-12-18
1925	1925-01-01	1925-12-06
1926	1926-01-18	1926-12-07
1927	1927-01-21	1927-12-28
1928	1928-01-04	1928-12-09
1930	1930-01-17	1930-12-16
1931	1931-02-10	1931-12-30
1932	1932-01-14	1932-12-22
1933	1933-03-04	1933-12-14
1934	1934-01-02	1934-12-20
1935	1935-01-14	1935-12-31
1936	1936-01-08	1936-12-16
1937	1937-01-19	1937-12-14
1938	1938-01-22	1938-12-27
1939	1939-01-01	1939-12-14
1940	1940-02-04	1940-12-22
1941	1941-02-02	1941-10-29
1942	1942-01-02	1942-12-26
1943	1943-01-12	1943-12-31
1944	1944-01-02	1944-11-28
1945	1945-01-07	1945-11-10
1946	1946-01-09	1946-12-16
1947	1947-01-26	1947-12-24
1948	1948-01-02	1948-11-08
1949	1949-02-14	1949-12-19
1950	1950-01-06	1950-12-28
1951	1951-01-02	1951-11-02
1952	1952-01-19	1952-11-27
1953	1953-02-02	1953-12-19
1954	1954-01-15	1954-12-11
1955	1955-01-05	1955-12-20
1956	1956-02-11	1956-12-25
1957	1957-01-10	1957-12-31
1958	1958-01-13	1958-12-30
1959	1959-01-07	1959-12-31
1960	1960-01-24	1960-12-30
1961	1961-01-02	1961-12-15
1962	1962-01-19	1962-12-27
1963	1963-01-06	1963-12-28
1964	1964-01-10	1964-12-28
1965	1965-01-14	1965-11-16
1966	1966-01-07	1966-12-19
1967	1967-01-03	1967-12-22
1968	1968-03-02	1968-12-07
1969	1969-02-01	1969-12-07
1970	1970-01-04	1970-12-25
1971	1971-01-05	1971-12-01
1972	1972-01-10	1972-11-23
1973	1973-01-02	1973-12-23
1974	1974-01-03	1974-12-26
1975	1975-01-21	1975-12-20
1976	1976-01-05	1976-12-13
1977	1977-02-04	1977-12-30
1978	1978-01-20	1978-12-07
1979	1979-01-14	1979-12-23

Every Fixed Threshold

Fixed thresholds at Aardoorns
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	60	34	1974	11
25 mm (0.98 in): Days with 25 mm or more rain	57	10	1943	2
50 mm (1.97 in): Days with 50 mm or more rain	31	3	1941	2
100 mm (3.94 in): Days with 100 mm or more rain	1	1	1937	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1918.

Download the Data

Data for Aardoorns 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).

Aardoorns Threshold Days by Year (SF002937000)

Key Facts for Aardoorns Thresholds

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

Every Fixed Threshold

Download the Data

Related