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Built 2026-10-19 (19 October 2026)

Maracanau Threshold Days by Year (BR038251240)

4 fixed thresholds counted per year at Maracanau (BR038251240): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Maracanau Thresholds

  • Maracanau: days with 10 mm (0.39 in) or more of precipitation in 38 years, most in 1974 with 58.
  • Maracanau: days with 25 mm (0.98 in) or more of precipitation in 38 years, most in 1974 with 40.
  • Maracanau: days with 50 mm (1.97 in) or more of precipitation in 28 years, most in 1974 with 19.
  • Maracanau: days with 100 mm (3.94 in) or more of precipitation in 5 years, most in 1959 with 2.
  • 4 fixed thresholds have at least one qualifying day at Maracanau.
38 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Maracanau Days per year at Maracanau with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 58 in 1974. 02040601931: 151932: 101933: 281934: 431935: 441936: 181938: 101939: 211940: 571941: 251942: 51943: 271944: 271945: 291946: 211947: 491948: 521949: 241950: 321951: 11952: 451953: 51954: 101955: 201959: 161963: 231964: 301965: 321966: 181967: 241968: 251969: 171970: 111971: 261972: 161973: 221974: 581975: 331931193519401944194819521959196619701974
Days per year at Maracanau with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 58 in 1974.
Days with 10 mm (0.39 in) or more of precipitation per year at Maracanau
YearDaysDecade average
19311523.6
19321023.6
19332823.6
19344323.6
19354423.6
19361823.6
19381023.6
19392123.6
19405731.6
19412531.6
1942531.6
19432731.6
19442731.6
19452931.6
19462131.6
19474931.6
19485231.6
19492431.6
19503218.4
1951118.4
19524518.4
1953518.4
19541018.4
19552018.4
19591618.4
19632324.1
19643024.1
19653224.1
19661824.1
19672424.1
19682524.1
19691724.1
19701127.7
19712627.7
19721627.7
19732227.7
19745827.7
19753327.7
First to last qualifying date each year at Maracanau For each year, a bar from the first to the last day at Maracanau meeting 10 mm (0.39 in). 1931: 4 January 1931 to 6 May 19311932: 16 January 1932 to 2 December 19321933: 15 January 1933 to 5 October 19331934: 5 January 1934 to 23 December 19341935: 30 January 1935 to 21 June 19351936: 1 January 1936 to 21 June 19361938: 9 March 1938 to 28 May 19381939: 14 February 1939 to 19 November 19391940: 6 January 1940 to 18 December 19401941: 10 January 1941 to 12 December 19411942: 8 February 1942 to 11 December 19421943: 31 January 1943 to 12 July 19431944: 7 March 1944 to 17 May 19441945: 2 January 1945 to 20 June 19451946: 3 January 1946 to 5 June 19461947: 2 January 1947 to 26 May 19471948: 25 January 1948 to 23 July 19481949: 23 March 1949 to 28 May 19491950: 19 March 1950 to 17 December 19501951: 14 December 1951 to 14 December 19511952: 16 February 1952 to 10 May 19521953: 15 April 1953 to 20 June 19531954: 11 March 1954 to 16 April 19541955: 27 January 1955 to 5 May 19551959: 20 January 1959 to 11 July 19591963: 11 January 1963 to 29 December 19631964: 4 January 1964 to 6 July 19641965: 17 February 1965 to 27 December 19651966: 25 January 1966 to 22 November 19661967: 26 January 1967 to 2 July 19671968: 23 January 1968 to 24 December 19681969: 20 January 1969 to 3 July 19691970: 19 January 1970 to 25 April 19701971: 28 January 1971 to 28 July 19711972: 21 January 1972 to 15 December 19721973: 3 March 1973 to 4 October 19731974: 9 January 1974 to 5 December 19741975: 6 January 1975 to 27 December 197519311936194219471952196319681973JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Maracanau meeting 10 mm (0.39 in).
First to last qualifying date each year at Maracanau
YearFirst dateLast date
19311931-01-041931-05-06
19321932-01-161932-12-02
19331933-01-151933-10-05
19341934-01-051934-12-23
19351935-01-301935-06-21
19361936-01-011936-06-21
19381938-03-091938-05-28
19391939-02-141939-11-19
19401940-01-061940-12-18
19411941-01-101941-12-12
19421942-02-081942-12-11
19431943-01-311943-07-12
19441944-03-071944-05-17
19451945-01-021945-06-20
19461946-01-031946-06-05
19471947-01-021947-05-26
19481948-01-251948-07-23
19491949-03-231949-05-28
19501950-03-191950-12-17
19511951-12-141951-12-14
19521952-02-161952-05-10
19531953-04-151953-06-20
19541954-03-111954-04-16
19551955-01-271955-05-05
19591959-01-201959-07-11
19631963-01-111963-12-29
19641964-01-041964-07-06
19651965-02-171965-12-27
19661966-01-251966-11-22
19671967-01-261967-07-02
19681968-01-231968-12-24
19691969-01-201969-07-03
19701970-01-191970-04-25
19711971-01-281971-07-28
19721972-01-211972-12-15
19731973-03-031973-10-04
19741974-01-091974-12-05
19751975-01-061975-12-27

Every Fixed Threshold

Fixed thresholds at Maracanau
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain3858197433
25 mm (0.98 in): Days with 25 mm or more rain3840197420
50 mm (1.97 in): Days with 50 mm or more rain281919747
100 mm (3.94 in): Days with 100 mm or more rain5219592

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1931.

Download the Data

  • Data for Maracanau 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).