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Data as of 2025-12-31
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Built 2026-10-19 (19 October 2026)

Kalkfontein Threshold Days by Year (SF001481270)

3 fixed thresholds counted per year at Kalkfontein (SF001481270): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Kalkfontein Thresholds

  • Kalkfontein: days with 10 mm (0.39 in) or more of precipitation in 52 years, most in 1976 with 36.
  • Kalkfontein: days with 25 mm (0.98 in) or more of precipitation in 52 years, most in 1928 with 10.
  • Kalkfontein: days with 50 mm (1.97 in) or more of precipitation in 28 years, most in 1974 with 3.
  • 3 fixed thresholds have at least one qualifying day at Kalkfontein.
52 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Kalkfontein Days per year at Kalkfontein with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 36 in 1976. 0102030401926: 191927: 191928: 151929: 271930: 201931: 161932: 101933: 121934: 231935: 241936: 241937: 161938: 161939: 241940: 201941: 241942: 221943: 261944: 171945: 121946: 281947: 231948: 211949: 121950: 311951: 201952: 221953: 231954: 131955: 301956: 291957: 191958: 261959: 281960: 211961: 201962: 201963: 241964: 141965: 111967: 251968: 111969: 131970: 171971: 221972: 221973: 131974: 311975: 201976: 361977: 211978: 23192619321938194419501956196219691975
Days per year at Kalkfontein with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 36 in 1976.
Days with 10 mm (0.39 in) or more of precipitation per year at Kalkfontein
YearDaysDecade average
19261920
19271920
19281520
19292720
19302018.5
19311618.5
19321018.5
19331218.5
19342318.5
19352418.5
19362418.5
19371618.5
19381618.5
19392418.5
19402020.5
19412420.5
19422220.5
19432620.5
19441720.5
19451220.5
19462820.5
19472320.5
19482120.5
19491220.5
19503124.1
19512024.1
19522224.1
19532324.1
19541324.1
19553024.1
19562924.1
19571924.1
19582624.1
19592824.1
19602117.7
19612017.7
19622017.7
19632417.7
19641417.7
19651117.7
19672517.7
19681117.7
19691317.7
19701722.8
19712222.8
19722222.8
19731322.8
19743122.8
19752022.8
19763622.8
19772122.8
19782322.8
First to last qualifying date each year at Kalkfontein For each year, a bar from the first to the last day at Kalkfontein meeting 10 mm (0.39 in). 1926: 11 January 1926 to 26 December 19261927: 29 January 1927 to 28 December 19271928: 4 January 1928 to 25 December 19281929: 18 January 1929 to 19 December 19291930: 3 January 1930 to 29 December 19301931: 13 February 1931 to 31 December 19311932: 1 January 1932 to 25 December 19321933: 2 January 1933 to 30 December 19331934: 2 January 1934 to 20 December 19341935: 12 January 1935 to 31 December 19351936: 10 January 1936 to 28 December 19361937: 15 January 1937 to 23 December 19371938: 6 February 1938 to 11 December 19381939: 22 January 1939 to 12 December 19391940: 29 January 1940 to 9 November 19401941: 8 January 1941 to 26 October 19411942: 2 January 1942 to 22 December 19421943: 15 January 1943 to 30 December 19431944: 3 January 1944 to 22 October 19441945: 6 January 1945 to 30 December 19451946: 8 January 1946 to 23 December 19461947: 8 January 1947 to 24 December 19471948: 23 January 1948 to 15 December 19481949: 28 January 1949 to 24 December 19491950: 5 January 1950 to 24 December 19501951: 1 January 1951 to 4 November 19511952: 19 January 1952 to 16 December 19521953: 31 January 1953 to 29 December 19531954: 29 January 1954 to 8 December 19541955: 3 January 1955 to 17 December 19551956: 12 January 1956 to 19 December 19561957: 30 January 1957 to 10 December 19571958: 2 January 1958 to 28 December 19581959: 25 January 1959 to 21 December 19591960: 17 January 1960 to 28 December 19601961: 27 January 1961 to 16 December 19611962: 19 January 1962 to 3 December 19621963: 3 January 1963 to 8 December 19631964: 1 March 1964 to 4 December 19641965: 22 January 1965 to 16 November 19651967: 12 January 1967 to 15 November 19671968: 9 January 1968 to 7 December 19681969: 26 February 1969 to 28 October 19691970: 22 January 1970 to 25 December 19701971: 10 January 1971 to 29 December 19711972: 10 January 1972 to 7 December 19721973: 18 February 1973 to 23 December 19731974: 8 January 1974 to 23 November 19741975: 23 January 1975 to 28 December 19751976: 4 January 1976 to 15 December 19761977: 28 January 1977 to 30 December 19771978: 9 January 1978 to 9 December 197819261933194019471954196119691976JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Kalkfontein meeting 10 mm (0.39 in).
First to last qualifying date each year at Kalkfontein
YearFirst dateLast date
19261926-01-111926-12-26
19271927-01-291927-12-28
19281928-01-041928-12-25
19291929-01-181929-12-19
19301930-01-031930-12-29
19311931-02-131931-12-31
19321932-01-011932-12-25
19331933-01-021933-12-30
19341934-01-021934-12-20
19351935-01-121935-12-31
19361936-01-101936-12-28
19371937-01-151937-12-23
19381938-02-061938-12-11
19391939-01-221939-12-12
19401940-01-291940-11-09
19411941-01-081941-10-26
19421942-01-021942-12-22
19431943-01-151943-12-30
19441944-01-031944-10-22
19451945-01-061945-12-30
19461946-01-081946-12-23
19471947-01-081947-12-24
19481948-01-231948-12-15
19491949-01-281949-12-24
19501950-01-051950-12-24
19511951-01-011951-11-04
19521952-01-191952-12-16
19531953-01-311953-12-29
19541954-01-291954-12-08
19551955-01-031955-12-17
19561956-01-121956-12-19
19571957-01-301957-12-10
19581958-01-021958-12-28
19591959-01-251959-12-21
19601960-01-171960-12-28
19611961-01-271961-12-16
19621962-01-191962-12-03
19631963-01-031963-12-08
19641964-03-011964-12-04
19651965-01-221965-11-16
19671967-01-121967-11-15
19681968-01-091968-12-07
19691969-02-261969-10-28
19701970-01-221970-12-25
19711971-01-101971-12-29
19721972-01-101972-12-07
19731973-02-181973-12-23
19741974-01-081974-11-23
19751975-01-231975-12-28
19761976-01-041976-12-15
19771977-01-281977-12-30
19781978-01-091978-12-09

Every Fixed Threshold

Fixed thresholds at Kalkfontein
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain5236197623
25 mm (0.98 in): Days with 25 mm or more rain521019287
50 mm (1.97 in): Days with 50 mm or more rain28319741

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1926.

Download the Data

  • Data for Kalkfontein 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).