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Built 2026-10-19 (19 October 2026)

Opsoek (Pos) Threshold Days by Year (SF000468980)

3 fixed thresholds counted per year at Opsoek (Pos) (SF000468980): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Opsoek (Pos) Thresholds

  • Opsoek (Pos): days with 10 mm (0.39 in) or more of precipitation in 62 years, most in 1967 with 16.
  • Opsoek (Pos): days with 25 mm (0.98 in) or more of precipitation in 50 years, most in 1976 with 5.
  • Opsoek (Pos): days with 50 mm (1.97 in) or more of precipitation in 9 years, most in 1981 with 2.
  • 3 fixed thresholds have at least one qualifying day at Opsoek (Pos).
62 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Opsoek (Pos) Days per year at Opsoek (Pos) with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 16 in 1967. 051015201927: 41928: 71930: 71931: 91932: 51933: 51934: 61935: 121936: 61937: 61938: 61939: 81940: 101941: 71942: 91943: 101944: 91945: 61946: 41947: 71948: 71949: 71950: 51951: 81952: 101953: 111954: 91955: 111956: 71957: 81958: 101959: 91960: 61961: 131962: 81963: 101964: 111965: 111966: 71967: 161968: 81969: 71970: 71971: 111972: 91973: 111974: 91975: 131976: 121977: 71978: 51979: 71980: 91981: 151982: 111983: 51984: 31985: 141986: 91987: 41988: 81989: 12192719351942194919561963197019771984
Days per year at Opsoek (Pos) with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 16 in 1967.
Days with 10 mm (0.39 in) or more of precipitation per year at Opsoek (Pos)
YearDaysDecade average
192745.5
192875.5
193077
193197
193257
193357
193467
1935127
193667
193767
193867
193987
1940107.6
194177.6
194297.6
1943107.6
194497.6
194567.6
194647.6
194777.6
194877.6
194977.6
195058.8
195188.8
1952108.8
1953118.8
195498.8
1955118.8
195678.8
195788.8
1958108.8
195998.8
196069.7
1961139.7
196289.7
1963109.7
1964119.7
1965119.7
196679.7
1967169.7
196889.7
196979.7
197079.1
1971119.1
197299.1
1973119.1
197499.1
1975139.1
1976129.1
197779.1
197859.1
197979.1
198099
1981159
1982119
198359
198439
1985149
198699
198749
198889
1989129
First to last qualifying date each year at Opsoek (Pos) For each year, a bar from the first to the last day at Opsoek (Pos) meeting 10 mm (0.39 in). 1927: 7 April 1927 to 10 September 19271928: 20 February 1928 to 22 December 19281930: 26 January 1930 to 13 September 19301931: 7 April 1931 to 31 December 19311932: 1 January 1932 to 15 September 19321933: 7 March 1933 to 9 November 19331934: 25 January 1934 to 19 November 19341935: 5 February 1935 to 15 December 19351936: 13 July 1936 to 2 December 19361937: 5 January 1937 to 20 December 19371938: 24 March 1938 to 30 December 19381939: 7 February 1939 to 24 December 19391940: 2 February 1940 to 10 November 19401941: 1 April 1941 to 2 November 19411942: 5 March 1942 to 4 December 19421943: 21 January 1943 to 29 November 19431944: 10 March 1944 to 30 November 19441945: 7 March 1945 to 4 October 19451946: 21 March 1946 to 11 August 19461947: 21 March 1947 to 8 November 19471948: 21 January 1948 to 12 October 19481949: 13 January 1949 to 16 November 19491950: 11 March 1950 to 11 November 19501951: 11 January 1951 to 30 September 19511952: 22 February 1952 to 15 December 19521953: 8 February 1953 to 20 December 19531954: 24 April 1954 to 5 November 19541955: 26 January 1955 to 28 November 19551956: 16 January 1956 to 24 October 19561957: 30 January 1957 to 9 December 19571958: 19 March 1958 to 15 December 19581959: 12 January 1959 to 31 October 19591960: 19 March 1960 to 20 December 19601961: 4 January 1961 to 1 December 19611962: 16 January 1962 to 30 October 19621963: 1 January 1963 to 7 December 19631964: 3 February 1964 to 6 November 19641965: 29 January 1965 to 16 December 19651966: 31 January 1966 to 21 September 19661967: 16 February 1967 to 21 December 19671968: 25 March 1968 to 23 October 19681969: 25 February 1969 to 20 October 19691970: 7 February 1970 to 25 December 19701971: 16 February 1971 to 7 November 19711972: 6 January 1972 to 15 December 19721973: 14 April 1973 to 25 November 19731974: 20 January 1974 to 23 December 19741975: 31 January 1975 to 23 December 19751976: 21 January 1976 to 30 December 19761977: 28 January 1977 to 30 December 19771978: 9 January 1978 to 1 November 19781979: 27 February 1979 to 19 November 19791980: 4 January 1980 to 30 November 19801981: 23 January 1981 to 21 October 19811982: 15 January 1982 to 15 November 19821983: 24 July 1983 to 20 November 19831984: 10 March 1984 to 4 September 19841985: 7 February 1985 to 19 December 19851986: 25 April 1986 to 8 November 19861987: 14 April 1987 to 22 December 19871988: 18 February 1988 to 28 December 19881989: 13 March 1989 to 15 November 198919271936194419521960196819761984JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Opsoek (Pos) meeting 10 mm (0.39 in).
First to last qualifying date each year at Opsoek (Pos)
YearFirst dateLast date
19271927-04-071927-09-10
19281928-02-201928-12-22
19301930-01-261930-09-13
19311931-04-071931-12-31
19321932-01-011932-09-15
19331933-03-071933-11-09
19341934-01-251934-11-19
19351935-02-051935-12-15
19361936-07-131936-12-02
19371937-01-051937-12-20
19381938-03-241938-12-30
19391939-02-071939-12-24
19401940-02-021940-11-10
19411941-04-011941-11-02
19421942-03-051942-12-04
19431943-01-211943-11-29
19441944-03-101944-11-30
19451945-03-071945-10-04
19461946-03-211946-08-11
19471947-03-211947-11-08
19481948-01-211948-10-12
19491949-01-131949-11-16
19501950-03-111950-11-11
19511951-01-111951-09-30
19521952-02-221952-12-15
19531953-02-081953-12-20
19541954-04-241954-11-05
19551955-01-261955-11-28
19561956-01-161956-10-24
19571957-01-301957-12-09
19581958-03-191958-12-15
19591959-01-121959-10-31
19601960-03-191960-12-20
19611961-01-041961-12-01
19621962-01-161962-10-30
19631963-01-011963-12-07
19641964-02-031964-11-06
19651965-01-291965-12-16
19661966-01-311966-09-21
19671967-02-161967-12-21
19681968-03-251968-10-23
19691969-02-251969-10-20
19701970-02-071970-12-25
19711971-02-161971-11-07
19721972-01-061972-12-15
19731973-04-141973-11-25
19741974-01-201974-12-23
19751975-01-311975-12-23
19761976-01-211976-12-30
19771977-01-281977-12-30
19781978-01-091978-11-01
19791979-02-271979-11-19
19801980-01-041980-11-30
19811981-01-231981-10-21
19821982-01-151982-11-15
19831983-07-241983-11-20
19841984-03-101984-09-04
19851985-02-071985-12-19
19861986-04-251986-11-08
19871987-04-141987-12-22
19881988-02-181988-12-28
19891989-03-131989-11-15

Every Fixed Threshold

Fixed thresholds at Opsoek (Pos)
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain6216196712
25 mm (0.98 in): Days with 25 mm or more rain50519764
50 mm (1.97 in): Days with 50 mm or more rain9219811

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1927.

Download the Data

  • Data for Opsoek (Pos) 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).