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Built 2026-10-19 (19 October 2026)

Zambezi Threshold Days by Year (ZA000067531)

4 fixed thresholds counted per year at Zambezi (ZA000067531): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Zambezi Thresholds

  • Zambezi: days with 10 mm (0.39 in) or more of precipitation in 34 years, most in 1979 with 50.
  • Zambezi: days with 25 mm (0.98 in) or more of precipitation in 34 years, most in 1962 with 17.
  • Zambezi: days with 50 mm (1.97 in) or more of precipitation in 24 years, most in 1962 with 5.
  • Zambezi: days with 100 mm (3.94 in) or more of precipitation in 1 years, most in 1964 with 1.
  • 4 fixed thresholds have at least one qualifying day at Zambezi.
34 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Zambezi Days per year at Zambezi with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 50 in 1979. 02040601955: 311956: 381957: 371958: 331959: 341960: 391961: 411962: 461963: 301964: 241965: 371966: 331967: 421968: 331969: 321971: 271972: 261973: 251974: 351975: 381976: 471977: 321978: 381979: 501980: 341981: 281982: 361983: 261984: 361985: 261986: 341987: 391988: 421989: 41195519591963196719721976198019841988
Days per year at Zambezi with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 50 in 1979.
Days with 10 mm (0.39 in) or more of precipitation per year at Zambezi
YearDaysDecade average
19553134.6
19563834.6
19573734.6
19583334.6
19593434.6
19603935.7
19614135.7
19624635.7
19633035.7
19642435.7
19653735.7
19663335.7
19674235.7
19683335.7
19693235.7
19712735.3
19722635.3
19732535.3
19743535.3
19753835.3
19764735.3
19773235.3
19783835.3
19795035.3
19803434.2
19812834.2
19823634.2
19832634.2
19843634.2
19852634.2
19863434.2
19873934.2
19884234.2
19894134.2
First to last qualifying date each year at Zambezi For each year, a bar from the first to the last day at Zambezi meeting 10 mm (0.39 in). 1955: 9 January 1955 to 30 December 19551956: 4 January 1956 to 16 December 19561957: 11 January 1957 to 31 December 19571958: 3 January 1958 to 23 December 19581959: 2 January 1959 to 31 December 19591960: 1 January 1960 to 30 December 19601961: 5 January 1961 to 27 December 19611962: 4 January 1962 to 30 December 19621963: 5 January 1963 to 23 December 19631964: 1 January 1964 to 24 December 19641965: 2 January 1965 to 31 December 19651966: 1 January 1966 to 20 December 19661967: 3 January 1967 to 29 December 19671968: 5 January 1968 to 28 December 19681969: 1 January 1969 to 29 November 19691971: 3 January 1971 to 29 December 19711972: 2 January 1972 to 14 December 19721973: 12 January 1973 to 31 December 19731974: 3 January 1974 to 30 December 19741975: 1 January 1975 to 26 December 19751976: 1 January 1976 to 28 December 19761977: 1 January 1977 to 29 December 19771978: 8 January 1978 to 23 December 19781979: 3 January 1979 to 30 December 19791980: 19 January 1980 to 29 December 19801981: 7 January 1981 to 27 December 19811982: 1 January 1982 to 29 December 19821983: 2 January 1983 to 15 December 19831984: 2 January 1984 to 29 December 19841985: 5 January 1985 to 27 December 19851986: 2 January 1986 to 28 December 19861987: 11 January 1987 to 30 December 19871988: 10 January 1988 to 31 December 19881989: 8 January 1989 to 31 December 19891955196019651971197619811986JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Zambezi meeting 10 mm (0.39 in).
First to last qualifying date each year at Zambezi
YearFirst dateLast date
19551955-01-091955-12-30
19561956-01-041956-12-16
19571957-01-111957-12-31
19581958-01-031958-12-23
19591959-01-021959-12-31
19601960-01-011960-12-30
19611961-01-051961-12-27
19621962-01-041962-12-30
19631963-01-051963-12-23
19641964-01-011964-12-24
19651965-01-021965-12-31
19661966-01-011966-12-20
19671967-01-031967-12-29
19681968-01-051968-12-28
19691969-01-011969-11-29
19711971-01-031971-12-29
19721972-01-021972-12-14
19731973-01-121973-12-31
19741974-01-031974-12-30
19751975-01-011975-12-26
19761976-01-011976-12-28
19771977-01-011977-12-29
19781978-01-081978-12-23
19791979-01-031979-12-30
19801980-01-191980-12-29
19811981-01-071981-12-27
19821982-01-011982-12-29
19831983-01-021983-12-15
19841984-01-021984-12-29
19851985-01-051985-12-27
19861986-01-021986-12-28
19871987-01-111987-12-30
19881988-01-101988-12-31
19891989-01-081989-12-31

Every Fixed Threshold

Fixed thresholds at Zambezi
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain3450197941
25 mm (0.98 in): Days with 25 mm or more rain3417196211
50 mm (1.97 in): Days with 50 mm or more rain24519622
100 mm (3.94 in): Days with 100 mm or more rain1119641

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1955.

Download the Data

  • Data for Zambezi 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).