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Data as of 2025-12-31
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Built 2026-10-16 (16 October 2026)

Formiga Threshold Days by Year

4 fixed thresholds counted per year at Formiga (BR002045021): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Formiga Thresholds

  • Formiga: days with 10 mm (0.39 in) or more of precipitation in 36 years, most in 1926 with 72.
  • Formiga: days with 25 mm (0.98 in) or more of precipitation in 36 years, most in 1983 with 28.
  • Formiga: days with 50 mm (1.97 in) or more of precipitation in 32 years, most in 1933 with 6.
  • Formiga: days with 100 mm (3.94 in) or more of precipitation in 8 years, most in 1992 with 2.
  • 4 fixed thresholds have at least one qualifying day at Formiga.
36 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Formiga Days per year at Formiga with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 72 in 1926. 0204060801925: 471926: 721927: 441928: 381929: 501930: 361931: 401932: 511933: 411934: 371935: 471936: 521937: 521976: 511977: 461978: 571979: 541980: 471981: 491982: 481983: 681984: 331985: 531986: 451987: 351988: 401990: 351991: 471992: 511993: 411994: 401995: 411996: 451997: 481998: 461999: 40192519291933193719791983198719921996
Days per year at Formiga with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 72 in 1926.
Days with 10 mm (0.39 in) or more of precipitation per year at Formiga
YearDaysDecade average
19254750.2
19267250.2
19274450.2
19283850.2
19295050.2
19303644.5
19314044.5
19325144.5
19334144.5
19343744.5
19354744.5
19365244.5
19375244.5
19765152
19774652
19785752
19795452
19804746.4
19814946.4
19824846.4
19836846.4
19843346.4
19855346.4
19864546.4
19873546.4
19884046.4
19903543.4
19914743.4
19925143.4
19934143.4
19944043.4
19954143.4
19964543.4
19974843.4
19984643.4
19994043.4
First to last qualifying date each year at Formiga For each year, a bar from the first to the last day at Formiga meeting 10 mm (0.39 in). 1925: 19 January 1925 to 30 December 19251926: 1 January 1926 to 31 December 19261927: 2 January 1927 to 31 December 19271928: 12 January 1928 to 31 December 19281929: 8 January 1929 to 27 December 19291930: 2 January 1930 to 30 December 19301931: 6 January 1931 to 14 December 19311932: 1 January 1932 to 31 December 19321933: 1 January 1933 to 30 December 19331934: 9 January 1934 to 29 December 19341935: 3 January 1935 to 26 December 19351936: 2 January 1936 to 30 December 19361937: 6 January 1937 to 31 December 19371976: 6 January 1976 to 29 December 19761977: 20 January 1977 to 24 December 19771978: 3 January 1978 to 30 December 19781979: 3 January 1979 to 28 December 19791980: 1 January 1980 to 31 December 19801981: 6 January 1981 to 29 December 19811982: 3 January 1982 to 25 December 19821983: 3 January 1983 to 29 December 19831984: 2 January 1984 to 30 December 19841985: 5 January 1985 to 29 December 19851986: 2 January 1986 to 31 December 19861987: 11 January 1987 to 19 December 19871988: 1 January 1988 to 24 December 19881990: 1 January 1990 to 26 December 19901991: 4 January 1991 to 31 December 19911992: 4 January 1992 to 27 December 19921993: 5 January 1993 to 31 December 19931994: 1 January 1994 to 29 December 19941995: 4 January 1995 to 31 December 19951996: 2 January 1996 to 31 December 19961997: 2 January 1997 to 29 December 19971998: 8 January 1998 to 31 December 19981999: 2 January 1999 to 29 December 199919251930193519781983198819941999JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Formiga meeting 10 mm (0.39 in).
First to last qualifying date each year at Formiga
YearFirst dateLast date
19251925-01-191925-12-30
19261926-01-011926-12-31
19271927-01-021927-12-31
19281928-01-121928-12-31
19291929-01-081929-12-27
19301930-01-021930-12-30
19311931-01-061931-12-14
19321932-01-011932-12-31
19331933-01-011933-12-30
19341934-01-091934-12-29
19351935-01-031935-12-26
19361936-01-021936-12-30
19371937-01-061937-12-31
19761976-01-061976-12-29
19771977-01-201977-12-24
19781978-01-031978-12-30
19791979-01-031979-12-28
19801980-01-011980-12-31
19811981-01-061981-12-29
19821982-01-031982-12-25
19831983-01-031983-12-29
19841984-01-021984-12-30
19851985-01-051985-12-29
19861986-01-021986-12-31
19871987-01-111987-12-19
19881988-01-011988-12-24
19901990-01-011990-12-26
19911991-01-041991-12-31
19921992-01-041992-12-27
19931993-01-051993-12-31
19941994-01-011994-12-29
19951995-01-041995-12-31
19961996-01-021996-12-31
19971997-01-021997-12-29
19981998-01-081998-12-31
19991999-01-021999-12-29

Every Fixed Threshold

Fixed thresholds at Formiga
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain3672192640
25 mm (0.98 in): Days with 25 mm or more rain3628198312
50 mm (1.97 in): Days with 50 mm or more rain32619334
100 mm (3.94 in): Days with 100 mm or more rain8219921

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1925.

Download the Data

  • Data for Formiga 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 2026-10-14 (14 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2025-12-31).