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Built 2026-10-19 (19 October 2026)

Zwartrandjes Threshold Days by Year (SF007226140)

5 fixed thresholds counted per year at Zwartrandjes (SF007226140): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Zwartrandjes Thresholds

  • Zwartrandjes: days with 10 mm (0.39 in) or more of precipitation in 76 years, most in 1996 with 31.
  • Zwartrandjes: days with 25 mm (0.98 in) or more of precipitation in 76 years, most in 1974 with 14.
  • Zwartrandjes: days with 50 mm (1.97 in) or more of precipitation in 39 years, most in 1981 with 4.
  • Zwartrandjes: days with 100 mm (3.94 in) or more of precipitation in 5 years, most in 1996 with 2.
  • 5 fixed thresholds have at least one qualifying day at Zwartrandjes.
76 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Zwartrandjes Days per year at Zwartrandjes with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 31 in 1996. 0102030401921: 151922: 91923: 161924: 181925: 171926: 71927: 131928: 141929: 161930: 121931: 111932: 111933: 151934: 71935: 71936: 131937: 171938: 151939: 201940: 141941: 51942: 81943: 111944: 141945: 141946: 71947: 71948: 191949: 191950: 91951: 161952: 101954: 151955: 191956: 191957: 221958: 231959: 171960: 211961: 131962: 141963: 131964: 121965: 71966: 141967: 181968: 111969: 141970: 131971: 181972: 251973: 201974: 281975: 191976: 231977: 221978: 191979: 111980: 301981: 241982: 71983: 91984: 111985: 201986: 171987: 151988: 181989: 151990: 171991: 181992: 91993: 161994: 61995: 171996: 311997: 221921192919371945195419621970197819861994
Days per year at Zwartrandjes with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 31 in 1996.
Days with 10 mm (0.39 in) or more of precipitation per year at Zwartrandjes
YearDaysDecade average
19211513.9
1922913.9
19231613.9
19241813.9
19251713.9
1926713.9
19271313.9
19281413.9
19291613.9
19301212.8
19311112.8
19321112.8
19331512.8
1934712.8
1935712.8
19361312.8
19371712.8
19381512.8
19392012.8
19401411.8
1941511.8
1942811.8
19431111.8
19441411.8
19451411.8
1946711.8
1947711.8
19481911.8
19491911.8
1950916.7
19511616.7
19521016.7
19541516.7
19551916.7
19561916.7
19572216.7
19582316.7
19591716.7
19602113.7
19611313.7
19621413.7
19631313.7
19641213.7
1965713.7
19661413.7
19671813.7
19681113.7
19691413.7
19701319.8
19711819.8
19722519.8
19732019.8
19742819.8
19751919.8
19762319.8
19772219.8
19781919.8
19791119.8
19803016.6
19812416.6
1982716.6
1983916.6
19841116.6
19852016.6
19861716.6
19871516.6
19881816.6
19891516.6
19901717
19911817
1992917
19931617
1994617
19951717
19963117
19972217
First to last qualifying date each year at Zwartrandjes For each year, a bar from the first to the last day at Zwartrandjes meeting 10 mm (0.39 in). 1921: 3 January 1921 to 26 December 19211922: 10 February 1922 to 28 December 19221923: 11 January 1923 to 28 December 19231924: 26 January 1924 to 30 December 19241925: 13 January 1925 to 28 December 19251926: 5 January 1926 to 26 November 19261927: 29 January 1927 to 3 December 19271928: 6 January 1928 to 21 December 19281929: 20 January 1929 to 18 December 19291930: 17 January 1930 to 31 December 19301931: 4 January 1931 to 4 December 19311932: 20 January 1932 to 26 December 19321933: 16 January 1933 to 10 December 19331934: 13 January 1934 to 26 December 19341935: 10 January 1935 to 31 October 19351936: 17 January 1936 to 13 December 19361937: 5 January 1937 to 23 December 19371938: 30 January 1938 to 31 December 19381939: 6 January 1939 to 26 December 19391940: 19 January 1940 to 31 December 19401941: 2 January 1941 to 20 December 19411942: 6 January 1942 to 4 December 19421943: 5 February 1943 to 14 December 19431944: 3 January 1944 to 23 December 19441945: 22 January 1945 to 27 December 19451946: 4 January 1946 to 28 April 19461947: 15 January 1947 to 18 November 19471948: 3 January 1948 to 23 December 19481949: 14 January 1949 to 27 December 19491950: 10 January 1950 to 26 December 19501951: 17 January 1951 to 13 December 19511952: 3 January 1952 to 13 December 19521954: 4 January 1954 to 24 December 19541955: 2 January 1955 to 28 December 19551956: 3 January 1956 to 28 December 19561957: 8 January 1957 to 14 December 19571958: 3 January 1958 to 24 December 19581959: 5 January 1959 to 28 December 19591960: 24 January 1960 to 29 December 19601961: 5 January 1961 to 22 December 19611962: 20 January 1962 to 25 December 19621963: 3 February 1963 to 29 December 19631964: 8 January 1964 to 11 December 19641965: 12 January 1965 to 29 December 19651966: 28 January 1966 to 18 December 19661967: 13 January 1967 to 4 December 19671968: 17 February 1968 to 8 December 19681969: 27 January 1969 to 9 December 19691970: 1 February 1970 to 29 December 19701971: 16 January 1971 to 13 December 19711972: 4 January 1972 to 11 December 19721973: 10 January 1973 to 20 December 19731974: 4 January 1974 to 24 December 19741975: 2 January 1975 to 30 December 19751976: 10 January 1976 to 30 December 19761977: 13 January 1977 to 30 December 19771978: 2 January 1978 to 11 November 19781979: 4 January 1979 to 26 December 19791980: 4 January 1980 to 28 December 19801981: 10 January 1981 to 31 December 19811982: 13 January 1982 to 22 November 19821983: 12 January 1983 to 17 December 19831984: 1 February 1984 to 29 November 19841985: 5 January 1985 to 25 December 19851986: 13 January 1986 to 28 December 19861987: 13 January 1987 to 25 December 19871988: 7 January 1988 to 14 December 19881989: 13 February 1989 to 29 December 19891990: 7 January 1990 to 24 December 19901991: 8 January 1991 to 4 December 19911992: 30 January 1992 to 22 December 19921993: 8 January 1993 to 29 December 19931994: 31 January 1994 to 10 December 19941995: 7 January 1995 to 24 December 19951996: 8 January 1996 to 31 December 19961997: 16 January 1997 to 24 November 199719211931194119511962197219821992JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Zwartrandjes meeting 10 mm (0.39 in).
First to last qualifying date each year at Zwartrandjes
YearFirst dateLast date
19211921-01-031921-12-26
19221922-02-101922-12-28
19231923-01-111923-12-28
19241924-01-261924-12-30
19251925-01-131925-12-28
19261926-01-051926-11-26
19271927-01-291927-12-03
19281928-01-061928-12-21
19291929-01-201929-12-18
19301930-01-171930-12-31
19311931-01-041931-12-04
19321932-01-201932-12-26
19331933-01-161933-12-10
19341934-01-131934-12-26
19351935-01-101935-10-31
19361936-01-171936-12-13
19371937-01-051937-12-23
19381938-01-301938-12-31
19391939-01-061939-12-26
19401940-01-191940-12-31
19411941-01-021941-12-20
19421942-01-061942-12-04
19431943-02-051943-12-14
19441944-01-031944-12-23
19451945-01-221945-12-27
19461946-01-041946-04-28
19471947-01-151947-11-18
19481948-01-031948-12-23
19491949-01-141949-12-27
19501950-01-101950-12-26
19511951-01-171951-12-13
19521952-01-031952-12-13
19541954-01-041954-12-24
19551955-01-021955-12-28
19561956-01-031956-12-28
19571957-01-081957-12-14
19581958-01-031958-12-24
19591959-01-051959-12-28
19601960-01-241960-12-29
19611961-01-051961-12-22
19621962-01-201962-12-25
19631963-02-031963-12-29
19641964-01-081964-12-11
19651965-01-121965-12-29
19661966-01-281966-12-18
19671967-01-131967-12-04
19681968-02-171968-12-08
19691969-01-271969-12-09
19701970-02-011970-12-29
19711971-01-161971-12-13
19721972-01-041972-12-11
19731973-01-101973-12-20
19741974-01-041974-12-24
19751975-01-021975-12-30
19761976-01-101976-12-30
19771977-01-131977-12-30
19781978-01-021978-11-11
19791979-01-041979-12-26
19801980-01-041980-12-28
19811981-01-101981-12-31
19821982-01-131982-11-22
19831983-01-121983-12-17
19841984-02-011984-11-29
19851985-01-051985-12-25
19861986-01-131986-12-28
19871987-01-131987-12-25
19881988-01-071988-12-14
19891989-02-131989-12-29
19901990-01-071990-12-24
19911991-01-081991-12-04
19921992-01-301992-12-22
19931993-01-081993-12-29
19941994-01-311994-12-10
19951995-01-071995-12-24
19961996-01-081996-12-31
19971997-01-161997-11-24

Every Fixed Threshold

Fixed thresholds at Zwartrandjes
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain7631199622
25 mm (0.98 in): Days with 25 mm or more rain761419746
50 mm (1.97 in): Days with 50 mm or more rain39419812
100 mm (3.94 in): Days with 100 mm or more rain5219962
200 mm (7.87 in): Days with 200 mm or more rain1119961

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1921.

Download the Data

  • Data for Zwartrandjes 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 . Last revised (2025-12-31).