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

Usina Matari (Iaa) Threshold Days by Year (BR038593750)

4 fixed thresholds counted per year at Usina Matari (Iaa) (BR038593750): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Usina Matari (Iaa) Thresholds

  • Usina Matari (Iaa): days with 10 mm (0.39 in) or more of precipitation in 31 years, most in 1940 with 48.
  • Usina Matari (Iaa): days with 25 mm (0.98 in) or more of precipitation in 31 years, most in 1940 with 24.
  • Usina Matari (Iaa): days with 50 mm (1.97 in) or more of precipitation in 30 years, most in 1924 with 7.
  • Usina Matari (Iaa): days with 100 mm (3.94 in) or more of precipitation in 7 years, most in 1938 with 2.
  • 4 fixed thresholds have at least one qualifying day at Usina Matari (Iaa).
31 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Usina Matari (Iaa) Days per year at Usina Matari (Iaa) with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 48 in 1940. 02040601924: 471925: 391926: 301927: 291928: 281929: 341930: 311931: 421932: 331933: 331934: 391935: 391936: 311937: 321938: 351939: 411940: 481941: 321942: 381943: 431944: 321945: 331946: 331947: 331948: 341949: 351950: 361951: 361952: 271953: 281954: 3019241928193219361940194419481952
Days per year at Usina Matari (Iaa) with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 48 in 1940.
Days with 10 mm (0.39 in) or more of precipitation per year at Usina Matari (Iaa)
YearDaysDecade average
19244734.5
19253934.5
19263034.5
19272934.5
19282834.5
19293434.5
19303135.6
19314235.6
19323335.6
19333335.6
19343935.6
19353935.6
19363135.6
19373235.6
19383535.6
19394135.6
19404836.1
19413236.1
19423836.1
19434336.1
19443236.1
19453336.1
19463336.1
19473336.1
19483436.1
19493536.1
19503631.4
19513631.4
19522731.4
19532831.4
19543031.4
First to last qualifying date each year at Usina Matari (Iaa) For each year, a bar from the first to the last day at Usina Matari (Iaa) meeting 10 mm (0.39 in). 1924: 6 February 1924 to 15 December 19241925: 18 January 1925 to 21 November 19251926: 30 January 1926 to 11 December 19261927: 22 January 1927 to 28 August 19271928: 7 January 1928 to 3 September 19281929: 5 February 1929 to 10 December 19291930: 3 January 1930 to 31 December 19301931: 1 January 1931 to 2 December 19311932: 19 January 1932 to 28 September 19321933: 17 January 1933 to 27 December 19331934: 10 February 1934 to 18 December 19341935: 6 February 1935 to 7 October 19351936: 1 January 1936 to 4 October 19361937: 15 February 1937 to 1 December 19371938: 6 January 1938 to 20 November 19381939: 29 January 1939 to 6 December 19391940: 6 January 1940 to 5 December 19401941: 12 February 1941 to 17 November 19411942: 1 February 1942 to 19 December 19421943: 5 January 1943 to 22 November 19431944: 5 March 1944 to 14 November 19441945: 4 February 1945 to 19 October 19451946: 4 January 1946 to 21 December 19461947: 27 January 1947 to 22 December 19471948: 8 February 1948 to 24 December 19481949: 10 January 1949 to 27 November 19491950: 19 January 1950 to 19 September 19501951: 12 April 1951 to 28 December 19511952: 14 January 1952 to 26 December 19521953: 2 January 1953 to 27 November 19531954: 4 January 1954 to 9 August 195419241928193219361940194419481952JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Usina Matari (Iaa) meeting 10 mm (0.39 in).
First to last qualifying date each year at Usina Matari (Iaa)
YearFirst dateLast date
19241924-02-061924-12-15
19251925-01-181925-11-21
19261926-01-301926-12-11
19271927-01-221927-08-28
19281928-01-071928-09-03
19291929-02-051929-12-10
19301930-01-031930-12-31
19311931-01-011931-12-02
19321932-01-191932-09-28
19331933-01-171933-12-27
19341934-02-101934-12-18
19351935-02-061935-10-07
19361936-01-011936-10-04
19371937-02-151937-12-01
19381938-01-061938-11-20
19391939-01-291939-12-06
19401940-01-061940-12-05
19411941-02-121941-11-17
19421942-02-011942-12-19
19431943-01-051943-11-22
19441944-03-051944-11-14
19451945-02-041945-10-19
19461946-01-041946-12-21
19471947-01-271947-12-22
19481948-02-081948-12-24
19491949-01-101949-11-27
19501950-01-191950-09-19
19511951-04-121951-12-28
19521952-01-141952-12-26
19531953-01-021953-11-27
19541954-01-041954-08-09

Every Fixed Threshold

Fixed thresholds at Usina Matari (Iaa)
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain3148194030
25 mm (0.98 in): Days with 25 mm or more rain3124194010
50 mm (1.97 in): Days with 50 mm or more rain30719244
100 mm (3.94 in): Days with 100 mm or more rain7219381

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1924.

Download the Data

  • Data for Usina Matari (Iaa) 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).