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Built 2026-10-19 (19 October 2026)

Vleiplaas Threshold Days by Year (SF001177490)

3 fixed thresholds counted per year at Vleiplaas (SF001177490): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Vleiplaas Thresholds

  • Vleiplaas: days with 10 mm (0.39 in) or more of precipitation in 64 years, most in 1963 with 23.
  • Vleiplaas: days with 25 mm (0.98 in) or more of precipitation in 52 years, most in 1976 with 7.
  • Vleiplaas: days with 50 mm (1.97 in) or more of precipitation in 10 years, most in 1961 with 2.
  • 3 fixed thresholds have at least one qualifying day at Vleiplaas.
64 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Vleiplaas Days per year at Vleiplaas with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 23 in 1963. 01020301933: 91934: 151935: 101936: 111937: 101938: 61939: 141940: 71941: 71942: 71943: 161944: 51945: 131946: 61947: 91948: 71949: 51950: 121951: 61952: 121953: 111954: 101955: 81956: 91957: 71958: 81959: 61960: 61961: 91963: 231964: 41965: 131966: 71967: 111968: 81969: 71970: 71971: 111972: 61973: 161974: 231975: 131976: 221977: 161978: 61979: 71980: 71981: 121982: 71983: 71984: 31985: 131986: 101987: 81988: 201989: 101990: 81991: 111992: 71993: 101994: 81995: 131996: 161997: 81933194019471954196119691976198319901997
Days per year at Vleiplaas with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 23 in 1963.
Days with 10 mm (0.39 in) or more of precipitation per year at Vleiplaas
YearDaysDecade average
1933910.7
19341510.7
19351010.7
19361110.7
19371010.7
1938610.7
19391410.7
194078.2
194178.2
194278.2
1943168.2
194458.2
1945138.2
194668.2
194798.2
194878.2
194958.2
1950128.9
195168.9
1952128.9
1953118.9
1954108.9
195588.9
195698.9
195778.9
195888.9
195968.9
196069.8
196199.8
1963239.8
196449.8
1965139.8
196679.8
1967119.8
196889.8
196979.8
1970712.7
19711112.7
1972612.7
19731612.7
19742312.7
19751312.7
19762212.7
19771612.7
1978612.7
1979712.7
198079.7
1981129.7
198279.7
198379.7
198439.7
1985139.7
1986109.7
198789.7
1988209.7
1989109.7
1990810.1
19911110.1
1992710.1
19931010.1
1994810.1
19951310.1
19961610.1
1997810.1
First to last qualifying date each year at Vleiplaas For each year, a bar from the first to the last day at Vleiplaas meeting 10 mm (0.39 in). 1933: 22 February 1933 to 30 December 19331934: 2 January 1934 to 17 November 19341935: 4 February 1935 to 3 November 19351936: 26 February 1936 to 19 November 19361937: 1 March 1937 to 20 December 19371938: 25 January 1938 to 17 December 19381939: 21 January 1939 to 25 November 19391940: 3 February 1940 to 12 September 19401941: 30 January 1941 to 31 October 19411942: 15 February 1942 to 24 October 19421943: 3 February 1943 to 18 December 19431944: 13 January 1944 to 17 August 19441945: 31 January 1945 to 4 December 19451946: 22 March 1946 to 19 December 19461947: 10 February 1947 to 22 December 19471948: 5 February 1948 to 22 April 19481949: 25 February 1949 to 10 December 19491950: 5 January 1950 to 29 November 19501951: 11 January 1951 to 30 September 19511952: 10 February 1952 to 14 December 19521953: 21 February 1953 to 19 December 19531954: 11 March 1954 to 26 November 19541955: 19 January 1955 to 5 November 19551956: 5 February 1956 to 20 December 19561957: 30 January 1957 to 24 May 19571958: 12 January 1958 to 14 December 19581959: 24 January 1959 to 3 December 19591960: 10 March 1960 to 19 August 19601961: 26 January 1961 to 16 December 19611963: 2 January 1963 to 11 December 19631964: 25 March 1964 to 1 December 19641965: 15 January 1965 to 22 November 19651966: 21 January 1966 to 19 December 19661967: 30 January 1967 to 23 November 19671968: 25 March 1968 to 1 December 19681969: 23 February 1969 to 21 October 19691970: 6 February 1970 to 6 December 19701971: 5 February 1971 to 13 October 19711972: 9 January 1972 to 24 March 19721973: 18 February 1973 to 23 December 19731974: 10 January 1974 to 30 November 19741975: 23 January 1975 to 23 December 19751976: 5 January 1976 to 16 December 19761977: 11 January 1977 to 30 December 19771978: 25 February 1978 to 12 November 19781979: 26 January 1979 to 18 November 19791980: 6 February 1980 to 3 November 19801981: 25 January 1981 to 4 December 19811982: 21 February 1982 to 5 December 19821983: 8 April 1983 to 28 November 19831984: 12 January 1984 to 28 November 19841985: 13 January 1985 to 19 December 19851986: 19 January 1986 to 27 November 19861987: 12 April 1987 to 22 December 19871988: 16 February 1988 to 28 December 19881989: 11 February 1989 to 5 November 19891990: 17 January 1990 to 27 November 19901991: 25 January 1991 to 30 December 19911992: 16 March 1992 to 30 December 19921993: 27 January 1993 to 16 December 19931994: 7 January 1994 to 8 December 19941995: 13 January 1995 to 26 December 19951996: 14 January 1996 to 29 December 19961997: 20 January 1997 to 14 October 199719331941194919571966197419821990JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Vleiplaas meeting 10 mm (0.39 in).
First to last qualifying date each year at Vleiplaas
YearFirst dateLast date
19331933-02-221933-12-30
19341934-01-021934-11-17
19351935-02-041935-11-03
19361936-02-261936-11-19
19371937-03-011937-12-20
19381938-01-251938-12-17
19391939-01-211939-11-25
19401940-02-031940-09-12
19411941-01-301941-10-31
19421942-02-151942-10-24
19431943-02-031943-12-18
19441944-01-131944-08-17
19451945-01-311945-12-04
19461946-03-221946-12-19
19471947-02-101947-12-22
19481948-02-051948-04-22
19491949-02-251949-12-10
19501950-01-051950-11-29
19511951-01-111951-09-30
19521952-02-101952-12-14
19531953-02-211953-12-19
19541954-03-111954-11-26
19551955-01-191955-11-05
19561956-02-051956-12-20
19571957-01-301957-05-24
19581958-01-121958-12-14
19591959-01-241959-12-03
19601960-03-101960-08-19
19611961-01-261961-12-16
19631963-01-021963-12-11
19641964-03-251964-12-01
19651965-01-151965-11-22
19661966-01-211966-12-19
19671967-01-301967-11-23
19681968-03-251968-12-01
19691969-02-231969-10-21
19701970-02-061970-12-06
19711971-02-051971-10-13
19721972-01-091972-03-24
19731973-02-181973-12-23
19741974-01-101974-11-30
19751975-01-231975-12-23
19761976-01-051976-12-16
19771977-01-111977-12-30
19781978-02-251978-11-12
19791979-01-261979-11-18
19801980-02-061980-11-03
19811981-01-251981-12-04
19821982-02-211982-12-05
19831983-04-081983-11-28
19841984-01-121984-11-28
19851985-01-131985-12-19
19861986-01-191986-11-27
19871987-04-121987-12-22
19881988-02-161988-12-28
19891989-02-111989-11-05
19901990-01-171990-11-27
19911991-01-251991-12-30
19921992-03-161992-12-30
19931993-01-271993-12-16
19941994-01-071994-12-08
19951995-01-131995-12-26
19961996-01-141996-12-29
19971997-01-201997-10-14

Every Fixed Threshold

Fixed thresholds at Vleiplaas
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain642319638
25 mm (0.98 in): Days with 25 mm or more rain52719762
50 mm (1.97 in): Days with 50 mm or more rain10219611

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1933.

Download the Data

  • Data for Vleiplaas 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).