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Built 2026-10-19 (19 October 2026)

Tres Irmaos Threshold Days by Year (BR002141007)

4 fixed thresholds counted per year at Tres Irmaos (BR002141007): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Tres Irmaos Thresholds

  • Tres Irmaos: days with 10 mm (0.39 in) or more of precipitation in 48 years, most in 1983 with 57.
  • Tres Irmaos: days with 25 mm (0.98 in) or more of precipitation in 48 years, most in 1958 with 21.
  • Tres Irmaos: days with 50 mm (1.97 in) or more of precipitation in 45 years, most in 1957 with 6.
  • Tres Irmaos: days with 100 mm (3.94 in) or more of precipitation in 3 years, most in 1951 with 1.
  • 4 fixed thresholds have at least one qualifying day at Tres Irmaos.
48 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Tres Irmaos Days per year at Tres Irmaos with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 57 in 1983. 02040601944: 281945: 401946: 291947: 441948: 361949: 401950: 321951: 411952: 471953: 281954: 221955: 301956: 281957: 421958: 371959: 261960: 351961: 341962: 431963: 161964: 461965: 561966: 411967: 381968: 301969: 341970: 281971: 321972: 461973: 341974: 301975: 421976: 381977: 241982: 431983: 571984: 331985: 371986: 281987: 321988: 361989: 321990: 211991: 321992: 361993: 221994: 311995: 351944194919541959196419691974198319881993
Days per year at Tres Irmaos with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 57 in 1983.
Days with 10 mm (0.39 in) or more of precipitation per year at Tres Irmaos
YearDaysDecade average
19442836.2
19454036.2
19462936.2
19474436.2
19483636.2
19494036.2
19503233.3
19514133.3
19524733.3
19532833.3
19542233.3
19553033.3
19562833.3
19574233.3
19583733.3
19592633.3
19603537.3
19613437.3
19624337.3
19631637.3
19644637.3
19655637.3
19664137.3
19673837.3
19683037.3
19693437.3
19702834.3
19713234.3
19724634.3
19733434.3
19743034.3
19754234.3
19763834.3
19772434.3
19824337.3
19835737.3
19843337.3
19853737.3
19862837.3
19873237.3
19883637.3
19893237.3
19902129.5
19913229.5
19923629.5
19932229.5
19943129.5
19953529.5
First to last qualifying date each year at Tres Irmaos For each year, a bar from the first to the last day at Tres Irmaos meeting 10 mm (0.39 in). 1944: 18 January 1944 to 28 December 19441945: 3 January 1945 to 31 December 19451946: 2 January 1946 to 30 December 19461947: 6 January 1947 to 31 December 19471948: 12 January 1948 to 27 December 19481949: 9 January 1949 to 30 December 19491950: 14 January 1950 to 18 December 19501951: 8 January 1951 to 28 December 19511952: 2 January 1952 to 26 December 19521953: 26 January 1953 to 30 December 19531954: 4 January 1954 to 29 December 19541955: 3 January 1955 to 30 December 19551956: 1 January 1956 to 28 December 19561957: 2 January 1957 to 18 December 19571958: 22 January 1958 to 30 December 19581959: 3 January 1959 to 26 December 19591960: 13 January 1960 to 23 December 19601961: 3 January 1961 to 31 December 19611962: 4 January 1962 to 29 December 19621963: 1 January 1963 to 31 December 19631964: 3 January 1964 to 30 December 19641965: 3 January 1965 to 31 December 19651966: 1 January 1966 to 31 December 19661967: 5 January 1967 to 31 December 19671968: 3 January 1968 to 20 December 19681969: 12 January 1969 to 26 December 19691970: 20 January 1970 to 21 December 19701971: 16 January 1971 to 26 December 19711972: 24 January 1972 to 27 December 19721973: 1 January 1973 to 22 December 19731974: 1 January 1974 to 26 December 19741975: 1 January 1975 to 26 December 19751976: 10 January 1976 to 29 December 19761977: 17 January 1977 to 23 December 19771982: 3 January 1982 to 31 December 19821983: 2 January 1983 to 24 December 19831984: 21 January 1984 to 31 December 19841985: 1 January 1985 to 30 December 19851986: 12 January 1986 to 31 December 19861987: 3 January 1987 to 23 December 19871988: 2 January 1988 to 31 December 19881989: 2 January 1989 to 21 December 19891990: 4 January 1990 to 30 December 19901991: 4 January 1991 to 22 December 19911992: 5 January 1992 to 27 December 19921993: 14 February 1993 to 31 December 19931994: 4 January 1994 to 27 December 19941995: 23 January 1995 to 29 December 199519441950195619621968197419841990JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Tres Irmaos meeting 10 mm (0.39 in).
First to last qualifying date each year at Tres Irmaos
YearFirst dateLast date
19441944-01-181944-12-28
19451945-01-031945-12-31
19461946-01-021946-12-30
19471947-01-061947-12-31
19481948-01-121948-12-27
19491949-01-091949-12-30
19501950-01-141950-12-18
19511951-01-081951-12-28
19521952-01-021952-12-26
19531953-01-261953-12-30
19541954-01-041954-12-29
19551955-01-031955-12-30
19561956-01-011956-12-28
19571957-01-021957-12-18
19581958-01-221958-12-30
19591959-01-031959-12-26
19601960-01-131960-12-23
19611961-01-031961-12-31
19621962-01-041962-12-29
19631963-01-011963-12-31
19641964-01-031964-12-30
19651965-01-031965-12-31
19661966-01-011966-12-31
19671967-01-051967-12-31
19681968-01-031968-12-20
19691969-01-121969-12-26
19701970-01-201970-12-21
19711971-01-161971-12-26
19721972-01-241972-12-27
19731973-01-011973-12-22
19741974-01-011974-12-26
19751975-01-011975-12-26
19761976-01-101976-12-29
19771977-01-171977-12-23
19821982-01-031982-12-31
19831983-01-021983-12-24
19841984-01-211984-12-31
19851985-01-011985-12-30
19861986-01-121986-12-31
19871987-01-031987-12-23
19881988-01-021988-12-31
19891989-01-021989-12-21
19901990-01-041990-12-30
19911991-01-041991-12-22
19921992-01-051992-12-27
19931993-02-141993-12-31
19941994-01-041994-12-27
19951995-01-231995-12-29

Every Fixed Threshold

Fixed thresholds at Tres Irmaos
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain4857198335
25 mm (0.98 in): Days with 25 mm or more rain4821195813
50 mm (1.97 in): Days with 50 mm or more rain45619572
100 mm (3.94 in): Days with 100 mm or more rain3119511

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1944.

Download the Data

  • Data for Tres Irmaos 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).