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Built 2026-10-16 (16 October 2026)

Vaalpan Threshold Days by Year

4 fixed thresholds counted per year at Vaalpan (SF003226480): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Vaalpan Thresholds

  • Vaalpan: days with 10 mm (0.39 in) or more of precipitation in 61 years, most in 1974 with 28.
  • Vaalpan: days with 25 mm (0.98 in) or more of precipitation in 55 years, most in 1976 with 13.
  • Vaalpan: days with 50 mm (1.97 in) or more of precipitation in 29 years, most in 1988 with 4.
  • Vaalpan: days with 100 mm (3.94 in) or more of precipitation in 3 years, most in 1961 with 1.
  • 4 fixed thresholds have at least one qualifying day at Vaalpan.
61 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Vaalpan Days per year at Vaalpan with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 28 in 1974. 01020301937: 121938: 141939: 131940: 61941: 81942: 211943: 141944: 91945: 61946: 91947: 21948: 31949: 21950: 121951: 41952: 21953: 71954: 31955: 171956: 51957: 181958: 71959: 121960: 111961: 131962: 81963: 191964: 41965: 21966: 81967: 141968: 71969: 71970: 51971: 211972: 131973: 111974: 281975: 251976: 281977: 161978: 101979: 121980: 161981: 131982: 101983: 111984: 71985: 131986: 111987: 91988: 281989: 131990: 111991: 131992: 61993: 141994: 91995: 151996: 151997: 9193719441951195819651972197919861993
Days per year at Vaalpan with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 28 in 1974.
Days with 10 mm (0.39 in) or more of precipitation per year at Vaalpan
YearDaysDecade average
19371213
19381413
19391313
194068
194188
1942218
1943148
194498
194568
194698
194728
194838
194928
1950128.7
195148.7
195228.7
195378.7
195438.7
1955178.7
195658.7
1957188.7
195878.7
1959128.7
1960119.3
1961139.3
196289.3
1963199.3
196449.3
196529.3
196689.3
1967149.3
196879.3
196979.3
1970516.9
19712116.9
19721316.9
19731116.9
19742816.9
19752516.9
19762816.9
19771616.9
19781016.9
19791216.9
19801613.1
19811313.1
19821013.1
19831113.1
1984713.1
19851313.1
19861113.1
1987913.1
19882813.1
19891313.1
19901111.5
19911311.5
1992611.5
19931411.5
1994911.5
19951511.5
19961511.5
1997911.5
First to last qualifying date each year at Vaalpan For each year, a bar from the first to the last day at Vaalpan meeting 10 mm (0.39 in). 1937: 4 January 1937 to 25 December 19371938: 17 January 1938 to 27 December 19381939: 30 January 1939 to 25 November 19391940: 30 January 1940 to 7 November 19401941: 21 January 1941 to 26 October 19411942: 26 January 1942 to 17 December 19421943: 3 February 1943 to 31 December 19431944: 13 January 1944 to 26 October 19441945: 5 January 1945 to 4 April 19451946: 18 January 1946 to 15 November 19461947: 26 June 1947 to 21 November 19471948: 23 February 1948 to 22 October 19481949: 1 March 1949 to 10 December 19491950: 10 February 1950 to 28 December 19501951: 7 February 1951 to 20 May 19511952: 16 February 1952 to 19 February 19521953: 30 January 1953 to 12 December 19531954: 15 February 1954 to 20 September 19541955: 18 January 1955 to 19 December 19551956: 16 January 1956 to 23 October 19561957: 23 February 1957 to 30 December 19571958: 12 January 1958 to 31 December 19581959: 23 January 1959 to 12 December 19591960: 1 January 1960 to 30 December 19601961: 2 January 1961 to 26 November 19611962: 1 February 1962 to 15 December 19621963: 1 January 1963 to 8 December 19631964: 27 March 1964 to 18 October 19641965: 26 March 1965 to 27 March 19651966: 22 January 1966 to 11 November 19661967: 24 January 1967 to 16 November 19671968: 18 March 1968 to 22 October 19681969: 25 February 1969 to 11 December 19691970: 16 January 1970 to 25 December 19701971: 6 January 1971 to 19 December 19711972: 9 January 1972 to 13 December 19721973: 18 February 1973 to 30 December 19731974: 5 January 1974 to 26 October 19741975: 23 January 1975 to 27 December 19751976: 5 January 1976 to 13 December 19761977: 27 January 1977 to 30 November 19771978: 23 January 1978 to 14 December 19781979: 8 January 1979 to 18 December 19791980: 21 January 1980 to 12 December 19801981: 27 January 1981 to 5 December 19811982: 23 January 1982 to 30 November 19821983: 9 January 1983 to 29 December 19831984: 6 February 1984 to 27 November 19841985: 25 January 1985 to 18 December 19851986: 2 January 1986 to 30 October 19861987: 14 February 1987 to 17 December 19871988: 14 February 1988 to 31 December 19881989: 1 January 1989 to 26 April 19891990: 9 January 1990 to 5 December 19901991: 7 February 1991 to 10 December 19911992: 4 January 1992 to 26 December 19921993: 4 January 1993 to 29 December 19931994: 5 January 1994 to 8 April 19941995: 11 January 1995 to 15 December 19951996: 6 January 1996 to 29 December 19961997: 7 January 1997 to 9 September 199719371945195319611969197719851993JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Vaalpan meeting 10 mm (0.39 in).
First to last qualifying date each year at Vaalpan
YearFirst dateLast date
19371937-01-041937-12-25
19381938-01-171938-12-27
19391939-01-301939-11-25
19401940-01-301940-11-07
19411941-01-211941-10-26
19421942-01-261942-12-17
19431943-02-031943-12-31
19441944-01-131944-10-26
19451945-01-051945-04-04
19461946-01-181946-11-15
19471947-06-261947-11-21
19481948-02-231948-10-22
19491949-03-011949-12-10
19501950-02-101950-12-28
19511951-02-071951-05-20
19521952-02-161952-02-19
19531953-01-301953-12-12
19541954-02-151954-09-20
19551955-01-181955-12-19
19561956-01-161956-10-23
19571957-02-231957-12-30
19581958-01-121958-12-31
19591959-01-231959-12-12
19601960-01-011960-12-30
19611961-01-021961-11-26
19621962-02-011962-12-15
19631963-01-011963-12-08
19641964-03-271964-10-18
19651965-03-261965-03-27
19661966-01-221966-11-11
19671967-01-241967-11-16
19681968-03-181968-10-22
19691969-02-251969-12-11
19701970-01-161970-12-25
19711971-01-061971-12-19
19721972-01-091972-12-13
19731973-02-181973-12-30
19741974-01-051974-10-26
19751975-01-231975-12-27
19761976-01-051976-12-13
19771977-01-271977-11-30
19781978-01-231978-12-14
19791979-01-081979-12-18
19801980-01-211980-12-12
19811981-01-271981-12-05
19821982-01-231982-11-30
19831983-01-091983-12-29
19841984-02-061984-11-27
19851985-01-251985-12-18
19861986-01-021986-10-30
19871987-02-141987-12-17
19881988-02-141988-12-31
19891989-01-011989-04-26
19901990-01-091990-12-05
19911991-02-071991-12-10
19921992-01-041992-12-26
19931993-01-041993-12-29
19941994-01-051994-04-08
19951995-01-111995-12-15
19961996-01-061996-12-29
19971997-01-071997-09-09

Every Fixed Threshold

Fixed thresholds at Vaalpan
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain612819749
25 mm (0.98 in): Days with 25 mm or more rain551319761
50 mm (1.97 in): Days with 50 mm or more rain29419881
100 mm (3.94 in): Days with 100 mm or more rain3119611

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1937.

Download the Data

  • Data for Vaalpan 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 2026-10-14 (14 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2025-12-31).