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Built 2026-10-19 (19 October 2026)

Cocos Threshold Days by Year (BR047803950)

4 fixed thresholds counted per year at Cocos (BR047803950): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Cocos Thresholds

  • Cocos: days with 10 mm (0.39 in) or more of precipitation in 39 years, most in 1964 with 51.
  • Cocos: days with 25 mm (0.98 in) or more of precipitation in 39 years, most in 1945 with 25.
  • Cocos: days with 50 mm (1.97 in) or more of precipitation in 33 years, most in 1945 with 11.
  • Cocos: days with 100 mm (3.94 in) or more of precipitation in 9 years, most in 1947 with 2.
  • 4 fixed thresholds have at least one qualifying day at Cocos.
39 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Cocos Days per year at Cocos with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 51 in 1964. 02040601944: 231945: 331946: 131947: 341948: 291949: 331950: 231951: 281952: 211953: 251954: 201955: 241956: 421957: 291958: 311959: 251960: 311961: 141962: 321963: 171964: 511965: 231966: 321967: 281968: 391969: 281970: 261971: 341972: 281974: 411975: 341976: 311977: 251978: 421979: 451980: 441981: 381982: 271983: 371944194819521956196019641968197219771981
Days per year at Cocos with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 51 in 1964.
Days with 10 mm (0.39 in) or more of precipitation per year at Cocos
YearDaysDecade average
19442327.5
19453327.5
19461327.5
19473427.5
19482927.5
19493327.5
19502326.8
19512826.8
19522126.8
19532526.8
19542026.8
19552426.8
19564226.8
19572926.8
19583126.8
19592526.8
19603129.5
19611429.5
19623229.5
19631729.5
19645129.5
19652329.5
19663229.5
19672829.5
19683929.5
19692829.5
19702634
19713434
19722834
19744134
19753434
19763134
19772534
19784234
19794534
19804436.5
19813836.5
19822736.5
19833736.5
First to last qualifying date each year at Cocos For each year, a bar from the first to the last day at Cocos meeting 10 mm (0.39 in). 1944: 5 January 1944 to 23 December 19441945: 5 January 1945 to 28 December 19451946: 16 January 1946 to 4 December 19461947: 20 January 1947 to 28 December 19471948: 6 January 1948 to 29 December 19481949: 2 January 1949 to 21 December 19491950: 13 January 1950 to 29 December 19501951: 3 January 1951 to 22 December 19511952: 2 January 1952 to 22 December 19521953: 18 February 1953 to 31 December 19531954: 1 January 1954 to 30 December 19541955: 2 April 1955 to 31 December 19551956: 2 January 1956 to 31 December 19561957: 1 January 1957 to 28 December 19571958: 13 January 1958 to 31 December 19581959: 1 January 1959 to 29 December 19591960: 1 January 1960 to 30 November 19601961: 15 February 1961 to 31 December 19611962: 1 January 1962 to 28 December 19621963: 4 January 1963 to 31 December 19631964: 2 January 1964 to 29 December 19641965: 6 January 1965 to 30 December 19651966: 3 January 1966 to 29 December 19661967: 9 January 1967 to 25 December 19671968: 8 January 1968 to 29 December 19681969: 16 January 1969 to 28 December 19691970: 2 January 1970 to 16 December 19701971: 11 January 1971 to 23 December 19711972: 18 January 1972 to 26 December 19721974: 1 January 1974 to 26 December 19741975: 10 January 1975 to 27 December 19751976: 22 January 1976 to 23 December 19761977: 5 January 1977 to 30 December 19771978: 4 January 1978 to 21 December 19781979: 8 January 1979 to 31 December 19791980: 2 January 1980 to 23 December 19801981: 1 January 1981 to 31 December 19811982: 1 January 1982 to 25 December 19821983: 2 January 1983 to 27 December 198319441949195419591964196919751980JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Cocos meeting 10 mm (0.39 in).
First to last qualifying date each year at Cocos
YearFirst dateLast date
19441944-01-051944-12-23
19451945-01-051945-12-28
19461946-01-161946-12-04
19471947-01-201947-12-28
19481948-01-061948-12-29
19491949-01-021949-12-21
19501950-01-131950-12-29
19511951-01-031951-12-22
19521952-01-021952-12-22
19531953-02-181953-12-31
19541954-01-011954-12-30
19551955-04-021955-12-31
19561956-01-021956-12-31
19571957-01-011957-12-28
19581958-01-131958-12-31
19591959-01-011959-12-29
19601960-01-011960-11-30
19611961-02-151961-12-31
19621962-01-011962-12-28
19631963-01-041963-12-31
19641964-01-021964-12-29
19651965-01-061965-12-30
19661966-01-031966-12-29
19671967-01-091967-12-25
19681968-01-081968-12-29
19691969-01-161969-12-28
19701970-01-021970-12-16
19711971-01-111971-12-23
19721972-01-181972-12-26
19741974-01-011974-12-26
19751975-01-101975-12-27
19761976-01-221976-12-23
19771977-01-051977-12-30
19781978-01-041978-12-21
19791979-01-081979-12-31
19801980-01-021980-12-23
19811981-01-011981-12-31
19821982-01-011982-12-25
19831983-01-021983-12-27

Every Fixed Threshold

Fixed thresholds at Cocos
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain3951196437
25 mm (0.98 in): Days with 25 mm or more rain3925194516
50 mm (1.97 in): Days with 50 mm or more rain331119454
100 mm (3.94 in): Days with 100 mm or more rain9219471

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1944.

Download the Data

  • Data for Cocos 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).