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Built 2026-10-19 (19 October 2026)

S.Joao Do Piaui Threshold Days by Year (BR037657520)

5 fixed thresholds counted per year at S.Joao Do Piaui (BR037657520): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for S.Joao Do Piaui Thresholds

  • S.Joao Do Piaui: days with 10 mm (0.39 in) or more of precipitation in 45 years, most in 1913 with 38.
  • S.Joao Do Piaui: days with 25 mm (0.98 in) or more of precipitation in 44 years, most in 1964 with 21.
  • S.Joao Do Piaui: days with 50 mm (1.97 in) or more of precipitation in 39 years, most in 1964 with 7.
  • S.Joao Do Piaui: days with 100 mm (3.94 in) or more of precipitation in 6 years, most in 1934 with 2.
  • 5 fixed thresholds have at least one qualifying day at S.Joao Do Piaui.
45 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at S.Joao Do Piaui Days per year at S.Joao Do Piaui with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 38 in 1913. 0102030401911: 141912: 221913: 381914: 141915: 201916: 221917: 191918: 201919: 141920: 211921: 241922: 311923: 191924: 251925: 261926: 321927: 181928: 191929: 341930: 171932: 181933: 281934: 251935: 231936: 221937: 231938: 131939: 201940: 191948: 191952: 121953: 51954: 151960: 11961: 11963: 261964: 361965: 211966: 151967: 251968: 241970: 191971: 281972: 171974: 24191119161921192619321937195219631968
Days per year at S.Joao Do Piaui with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 38 in 1913.
Days with 10 mm (0.39 in) or more of precipitation per year at S.Joao Do Piaui
YearDaysDecade average
19111420.3
19122220.3
19133820.3
19141420.3
19152020.3
19162220.3
19171920.3
19182020.3
19191420.3
19202124.9
19212424.9
19223124.9
19231924.9
19242524.9
19252624.9
19263224.9
19271824.9
19281924.9
19293424.9
19301721
19321821
19332821
19342521
19352321
19362221
19372321
19381321
19392021
19401919
19481919
19521210.7
1953510.7
19541510.7
1960118.6
1961118.6
19632618.6
19643618.6
19652118.6
19661518.6
19672518.6
19682418.6
19701922
19712822
19721722
19742422
First to last qualifying date each year at S.Joao Do Piaui For each year, a bar from the first to the last day at S.Joao Do Piaui meeting 10 mm (0.39 in). 1911: 22 January 1911 to 26 December 19111912: 10 January 1912 to 29 October 19121913: 1 January 1913 to 10 December 19131914: 14 January 1914 to 12 December 19141915: 16 January 1915 to 18 December 19151916: 23 January 1916 to 23 December 19161917: 12 January 1917 to 30 December 19171918: 8 January 1918 to 31 December 19181919: 1 January 1919 to 12 December 19191920: 8 January 1920 to 30 December 19201921: 3 January 1921 to 11 December 19211922: 6 January 1922 to 25 December 19221923: 5 January 1923 to 29 December 19231924: 11 January 1924 to 22 December 19241925: 3 January 1925 to 30 December 19251926: 5 January 1926 to 14 December 19261927: 14 January 1927 to 11 December 19271928: 5 January 1928 to 31 December 19281929: 1 January 1929 to 28 December 19291930: 9 January 1930 to 20 December 19301932: 1 January 1932 to 21 December 19321933: 1 January 1933 to 28 December 19331934: 1 January 1934 to 21 December 19341935: 2 January 1935 to 29 December 19351936: 2 January 1936 to 31 December 19361937: 5 January 1937 to 23 December 19371938: 19 January 1938 to 30 December 19381939: 18 January 1939 to 29 December 19391940: 3 January 1940 to 31 December 19401948: 8 February 1948 to 19 December 19481952: 29 February 1952 to 15 November 19521953: 15 March 1953 to 27 November 19531954: 1 February 1954 to 15 December 19541960: 28 March 1960 to 28 March 19601961: 11 December 1961 to 11 December 19611963: 4 January 1963 to 21 December 19631964: 1 January 1964 to 5 December 19641965: 19 January 1965 to 30 December 19651966: 8 January 1966 to 29 November 19661967: 31 January 1967 to 30 December 19671968: 27 January 1968 to 25 December 19681970: 15 January 1970 to 18 December 19701971: 16 January 1971 to 19 December 19711972: 6 January 1972 to 25 December 19721974: 15 January 1974 to 27 December 197419111917192319291936195219641971JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at S.Joao Do Piaui meeting 10 mm (0.39 in).
First to last qualifying date each year at S.Joao Do Piaui
YearFirst dateLast date
19111911-01-221911-12-26
19121912-01-101912-10-29
19131913-01-011913-12-10
19141914-01-141914-12-12
19151915-01-161915-12-18
19161916-01-231916-12-23
19171917-01-121917-12-30
19181918-01-081918-12-31
19191919-01-011919-12-12
19201920-01-081920-12-30
19211921-01-031921-12-11
19221922-01-061922-12-25
19231923-01-051923-12-29
19241924-01-111924-12-22
19251925-01-031925-12-30
19261926-01-051926-12-14
19271927-01-141927-12-11
19281928-01-051928-12-31
19291929-01-011929-12-28
19301930-01-091930-12-20
19321932-01-011932-12-21
19331933-01-011933-12-28
19341934-01-011934-12-21
19351935-01-021935-12-29
19361936-01-021936-12-31
19371937-01-051937-12-23
19381938-01-191938-12-30
19391939-01-181939-12-29
19401940-01-031940-12-31
19481948-02-081948-12-19
19521952-02-291952-11-15
19531953-03-151953-11-27
19541954-02-011954-12-15
19601960-03-281960-03-28
19611961-12-111961-12-11
19631963-01-041963-12-21
19641964-01-011964-12-05
19651965-01-191965-12-30
19661966-01-081966-11-29
19671967-01-311967-12-30
19681968-01-271968-12-25
19701970-01-151970-12-18
19711971-01-161971-12-19
19721972-01-061972-12-25
19741974-01-151974-12-27

Every Fixed Threshold

Fixed thresholds at S.Joao Do Piaui
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain4538191324
25 mm (0.98 in): Days with 25 mm or more rain4421196417
50 mm (1.97 in): Days with 50 mm or more rain39719646
100 mm (3.94 in): Days with 100 mm or more rain6219341
200 mm (7.87 in): Days with 200 mm or more rain1119341

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1911.

Download the Data

  • Data for S.Joao Do Piaui 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).