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Data as of 2025-12-31
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Built 2026-10-19 (19 October 2026)

Ibiapaba Threshold Days by Year (BR037081150)

5 fixed thresholds counted per year at Ibiapaba (BR037081150): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ibiapaba Thresholds

  • Ibiapaba: days with 10 mm (0.39 in) or more of precipitation in 53 years, most in 1973 with 48.
  • Ibiapaba: days with 25 mm (0.98 in) or more of precipitation in 53 years, most in 1924 with 21.
  • Ibiapaba: days with 50 mm (1.97 in) or more of precipitation in 40 years, most in 1924 with 8.
  • Ibiapaba: days with 100 mm (3.94 in) or more of precipitation in 10 years, most in 1945 with 3.
  • 5 fixed thresholds have at least one qualifying day at Ibiapaba.
53 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Ibiapaba Days per year at Ibiapaba with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 48 in 1973. 02040601920: 231921: 361922: 301923: 91924: 331925: 151926: 301927: 301928: 191929: 301930: 151931: 141932: 71933: 151934: 311935: 271936: 111937: 211938: 191939: 161940: 291941: 191942: 141943: 121944: 211945: 281946: 351948: 341949: 241950: 241952: 181953: 151954: 221955: 281956: 211957: 251959: 141960: 241961: 281962: 171963: 351964: 351965: 271966: 161967: 351968: 201969: 311970: 171971: 331972: 121973: 481974: 241975: 21192019261932193819441952195919651971
Days per year at Ibiapaba with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 48 in 1973.
Days with 10 mm (0.39 in) or more of precipitation per year at Ibiapaba
YearDaysDecade average
19202325.5
19213625.5
19223025.5
1923925.5
19243325.5
19251525.5
19263025.5
19273025.5
19281925.5
19293025.5
19301517.6
19311417.6
1932717.6
19331517.6
19343117.6
19352717.6
19361117.6
19372117.6
19381917.6
19391617.6
19402924
19411924
19421424
19431224
19442124
19452824
19463524
19483424
19492424
19502420.9
19521820.9
19531520.9
19542220.9
19552820.9
19562120.9
19572520.9
19591420.9
19602426.8
19612826.8
19621726.8
19633526.8
19643526.8
19652726.8
19661626.8
19673526.8
19682026.8
19693126.8
19701725.8
19713325.8
19721225.8
19734825.8
19742425.8
19752125.8
First to last qualifying date each year at Ibiapaba For each year, a bar from the first to the last day at Ibiapaba meeting 10 mm (0.39 in). 1920: 29 February 1920 to 30 December 19201921: 4 February 1921 to 8 December 19211922: 14 January 1922 to 15 June 19221923: 14 January 1923 to 19 April 19231924: 23 January 1924 to 10 December 19241925: 1 January 1925 to 17 November 19251926: 10 January 1926 to 16 May 19261927: 12 January 1927 to 2 June 19271928: 4 January 1928 to 7 April 19281929: 26 January 1929 to 4 December 19291930: 19 January 1930 to 17 April 19301931: 7 January 1931 to 29 April 19311932: 29 January 1932 to 29 April 19321933: 26 January 1933 to 26 December 19331934: 24 January 1934 to 21 December 19341935: 3 January 1935 to 23 May 19351936: 2 January 1936 to 16 April 19361937: 30 January 1937 to 21 December 19371938: 10 January 1938 to 22 April 19381939: 5 January 1939 to 27 May 19391940: 1 January 1940 to 13 June 19401941: 9 January 1941 to 6 November 19411942: 6 February 1942 to 4 December 19421943: 26 January 1943 to 24 December 19431944: 19 January 1944 to 24 December 19441945: 8 January 1945 to 1 July 19451946: 1 January 1946 to 19 December 19461948: 4 January 1948 to 22 December 19481949: 25 January 1949 to 30 November 19491950: 14 January 1950 to 26 December 19501952: 11 January 1952 to 16 December 19521953: 16 January 1953 to 25 December 19531954: 31 January 1954 to 24 November 19541955: 19 January 1955 to 26 October 19551956: 4 January 1956 to 28 December 19561957: 9 January 1957 to 17 May 19571959: 6 January 1959 to 21 April 19591960: 30 January 1960 to 15 December 19601961: 18 January 1961 to 1 May 19611962: 29 January 1962 to 21 May 19621963: 13 January 1963 to 27 December 19631964: 1 January 1964 to 4 August 19641965: 6 February 1965 to 4 October 19651966: 5 February 1966 to 16 July 19661967: 1 January 1967 to 30 December 19671968: 24 January 1968 to 26 December 19681969: 7 January 1969 to 21 July 19691970: 20 January 1970 to 15 November 19701971: 11 January 1971 to 1 June 19711972: 21 January 1972 to 25 December 19721973: 11 January 1973 to 29 December 19731974: 21 January 1974 to 30 December 19741975: 20 January 1975 to 5 November 197519201927193419411949195719651972JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Ibiapaba meeting 10 mm (0.39 in).
First to last qualifying date each year at Ibiapaba
YearFirst dateLast date
19201920-02-291920-12-30
19211921-02-041921-12-08
19221922-01-141922-06-15
19231923-01-141923-04-19
19241924-01-231924-12-10
19251925-01-011925-11-17
19261926-01-101926-05-16
19271927-01-121927-06-02
19281928-01-041928-04-07
19291929-01-261929-12-04
19301930-01-191930-04-17
19311931-01-071931-04-29
19321932-01-291932-04-29
19331933-01-261933-12-26
19341934-01-241934-12-21
19351935-01-031935-05-23
19361936-01-021936-04-16
19371937-01-301937-12-21
19381938-01-101938-04-22
19391939-01-051939-05-27
19401940-01-011940-06-13
19411941-01-091941-11-06
19421942-02-061942-12-04
19431943-01-261943-12-24
19441944-01-191944-12-24
19451945-01-081945-07-01
19461946-01-011946-12-19
19481948-01-041948-12-22
19491949-01-251949-11-30
19501950-01-141950-12-26
19521952-01-111952-12-16
19531953-01-161953-12-25
19541954-01-311954-11-24
19551955-01-191955-10-26
19561956-01-041956-12-28
19571957-01-091957-05-17
19591959-01-061959-04-21
19601960-01-301960-12-15
19611961-01-181961-05-01
19621962-01-291962-05-21
19631963-01-131963-12-27
19641964-01-011964-08-04
19651965-02-061965-10-04
19661966-02-051966-07-16
19671967-01-011967-12-30
19681968-01-241968-12-26
19691969-01-071969-07-21
19701970-01-201970-11-15
19711971-01-111971-06-01
19721972-01-211972-12-25
19731973-01-111973-12-29
19741974-01-211974-12-30
19751975-01-201975-11-05

Every Fixed Threshold

Fixed thresholds at Ibiapaba
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain5348197321
25 mm (0.98 in): Days with 25 mm or more rain532119246
50 mm (1.97 in): Days with 50 mm or more rain40819244
100 mm (3.94 in): Days with 100 mm or more rain10319451
200 mm (7.87 in): Days with 200 mm or more rain1119711

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1920.

Download the Data

  • Data for Ibiapaba 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).