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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 (BC007916970)

4 fixed thresholds counted per year at Kalkfontein (BC007916970): 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 20 years, most in 1963 with 13.
  • Kalkfontein: days with 25 mm (0.98 in) or more of precipitation in 17 years, most in 1960 with 6.
  • Kalkfontein: days with 50 mm (1.97 in) or more of precipitation in 6 years, most in 1988 with 3.
  • Kalkfontein: days with 100 mm (3.94 in) or more of precipitation in 1 years, most in 1981 with 1.
  • 4 fixed thresholds have at least one qualifying day at Kalkfontein.
20 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 13 in 1963. 0510151959: 51960: 121961: 121962: 61963: 131964: 51965: 101966: 111967: 111968: 131971: 61972: 81981: 121982: 81983: 91984: 51985: 101986: 71987: 71988: 121959196119631965196719711981198319851987
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 13 in 1963.
Days with 10 mm (0.39 in) or more of precipitation per year at Kalkfontein
YearDaysDecade average
195955
19601210.3
19611210.3
1962610.3
19631310.3
1964510.3
19651010.3
19661110.3
19671110.3
19681310.3
197167
197287
1981128.8
198288.8
198398.8
198458.8
1985108.8
198678.8
198778.8
1988128.8
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). 1959: 7 February 1959 to 11 December 19591960: 28 January 1960 to 28 December 19601961: 7 February 1961 to 6 December 19611962: 31 January 1962 to 14 November 19621963: 6 January 1963 to 7 December 19631964: 11 February 1964 to 7 December 19641965: 16 January 1965 to 15 December 19651966: 20 January 1966 to 17 December 19661967: 16 January 1967 to 4 December 19671968: 13 February 1968 to 28 December 19681971: 20 January 1971 to 19 November 19711972: 4 January 1972 to 29 March 19721981: 4 January 1981 to 31 December 19811982: 3 January 1982 to 3 December 19821983: 3 January 1983 to 28 December 19831984: 9 January 1984 to 28 November 19841985: 14 January 1985 to 18 December 19851986: 13 March 1986 to 1 December 19861987: 12 January 1987 to 20 December 19871988: 13 February 1988 to 26 December 19881959196219651968198119841987JanFebMarAprMayJunJulAugSepOctNovDec
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
19591959-02-071959-12-11
19601960-01-281960-12-28
19611961-02-071961-12-06
19621962-01-311962-11-14
19631963-01-061963-12-07
19641964-02-111964-12-07
19651965-01-161965-12-15
19661966-01-201966-12-17
19671967-01-161967-12-04
19681968-02-131968-12-28
19711971-01-201971-11-19
19721972-01-041972-03-29
19811981-01-041981-12-31
19821982-01-031982-12-03
19831983-01-031983-12-28
19841984-01-091984-11-28
19851985-01-141985-12-18
19861986-03-131986-12-01
19871987-01-121987-12-20
19881988-02-131988-12-26

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 rain2013196312
25 mm (0.98 in): Days with 25 mm or more rain17619604
50 mm (1.97 in): Days with 50 mm or more rain6319883
100 mm (3.94 in): Days with 100 mm or more rain1119811

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1959.

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).