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Built 2026-10-19 (19 October 2026)

Aguiar Threshold Days by Year (BR038431660)

4 fixed thresholds counted per year at Aguiar (BR038431660): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Aguiar Thresholds

  • Aguiar: days with 10 mm (0.39 in) or more of precipitation in 45 years, most in 1940 with 44.
  • Aguiar: days with 25 mm (0.98 in) or more of precipitation in 44 years, most in 1974 with 21.
  • Aguiar: days with 50 mm (1.97 in) or more of precipitation in 42 years, most in 1967 with 10.
  • Aguiar: days with 100 mm (3.94 in) or more of precipitation in 11 years, most in 1937 with 2.
  • 4 fixed thresholds have at least one qualifying day at Aguiar.
45 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Aguiar Days per year at Aguiar with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 44 in 1940. 02040601934: 411935: 341936: 201937: 221938: 161939: 241940: 441941: 191942: 131943: 251944: 211945: 291946: 171947: 381948: 241949: 271950: 261951: 131952: 221953: 151954: 291955: 231956: 271957: 231958: 141960: 161961: 231963: 381964: 221965: 341966: 171967: 361968: 271969: 301970: 241971: 421972: 311973: 361974: 431976: 221977: 261980: 271981: 231982: 211983: 14193419391944194919541960196619711977
Days per year at Aguiar with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 44 in 1940.
Days with 10 mm (0.39 in) or more of precipitation per year at Aguiar
YearDaysDecade average
19344126.2
19353426.2
19362026.2
19372226.2
19381626.2
19392426.2
19404425.7
19411925.7
19421325.7
19432525.7
19442125.7
19452925.7
19461725.7
19473825.7
19482425.7
19492725.7
19502621.3
19511321.3
19522221.3
19531521.3
19542921.3
19552321.3
19562721.3
19572321.3
19581421.3
19601627
19612327
19633827
19642227
19653427
19661727
19673627
19682727
19693027
19702432
19714232
19723132
19733632
19744332
19762232
19772632
19802721.3
19812321.3
19822121.3
19831421.3
First to last qualifying date each year at Aguiar For each year, a bar from the first to the last day at Aguiar meeting 10 mm (0.39 in). 1934: 6 January 1934 to 14 December 19341935: 3 January 1935 to 7 July 19351936: 1 January 1936 to 24 June 19361937: 11 February 1937 to 13 June 19371938: 7 January 1938 to 19 May 19381939: 6 January 1939 to 27 December 19391940: 4 January 1940 to 29 December 19401941: 6 January 1941 to 20 December 19411942: 1 February 1942 to 14 December 19421943: 24 January 1943 to 26 November 19431944: 4 March 1944 to 25 December 19441945: 10 January 1945 to 16 October 19451946: 17 January 1946 to 20 December 19461947: 22 January 1947 to 24 December 19471948: 23 January 1948 to 21 December 19481949: 2 February 1949 to 27 November 19491950: 14 January 1950 to 24 December 19501951: 9 January 1951 to 14 December 19511952: 8 February 1952 to 15 December 19521953: 1 January 1953 to 25 November 19531954: 20 January 1954 to 27 December 19541955: 19 January 1955 to 26 May 19551956: 14 January 1956 to 17 October 19561957: 8 January 1957 to 6 December 19571958: 1 February 1958 to 15 December 19581960: 12 February 1960 to 26 June 19601961: 22 January 1961 to 31 March 19611963: 10 January 1963 to 27 December 19631964: 11 January 1964 to 20 June 19641965: 8 January 1965 to 16 December 19651966: 22 January 1966 to 20 November 19661967: 21 January 1967 to 29 December 19671968: 23 January 1968 to 20 December 19681969: 21 January 1969 to 16 December 19691970: 14 January 1970 to 8 November 19701971: 20 January 1971 to 15 December 19711972: 17 January 1972 to 21 December 19721973: 4 January 1973 to 29 December 19731974: 13 January 1974 to 13 December 19741976: 2 February 1976 to 30 November 19761977: 5 February 1977 to 30 December 19771980: 6 January 1980 to 27 November 19801981: 6 January 1981 to 23 December 19811982: 8 January 1982 to 26 November 19821983: 28 January 1983 to 6 April 198319341940194619521958196619721981JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Aguiar meeting 10 mm (0.39 in).
First to last qualifying date each year at Aguiar
YearFirst dateLast date
19341934-01-061934-12-14
19351935-01-031935-07-07
19361936-01-011936-06-24
19371937-02-111937-06-13
19381938-01-071938-05-19
19391939-01-061939-12-27
19401940-01-041940-12-29
19411941-01-061941-12-20
19421942-02-011942-12-14
19431943-01-241943-11-26
19441944-03-041944-12-25
19451945-01-101945-10-16
19461946-01-171946-12-20
19471947-01-221947-12-24
19481948-01-231948-12-21
19491949-02-021949-11-27
19501950-01-141950-12-24
19511951-01-091951-12-14
19521952-02-081952-12-15
19531953-01-011953-11-25
19541954-01-201954-12-27
19551955-01-191955-05-26
19561956-01-141956-10-17
19571957-01-081957-12-06
19581958-02-011958-12-15
19601960-02-121960-06-26
19611961-01-221961-03-31
19631963-01-101963-12-27
19641964-01-111964-06-20
19651965-01-081965-12-16
19661966-01-221966-11-20
19671967-01-211967-12-29
19681968-01-231968-12-20
19691969-01-211969-12-16
19701970-01-141970-11-08
19711971-01-201971-12-15
19721972-01-171972-12-21
19731973-01-041973-12-29
19741974-01-131974-12-13
19761976-02-021976-11-30
19771977-02-051977-12-30
19801980-01-061980-11-27
19811981-01-061981-12-23
19821982-01-081982-11-26
19831983-01-281983-04-06

Every Fixed Threshold

Fixed thresholds at Aguiar
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain4544194014
25 mm (0.98 in): Days with 25 mm or more rain442119748
50 mm (1.97 in): Days with 50 mm or more rain421019673
100 mm (3.94 in): Days with 100 mm or more rain11219371

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1934.

Download the Data

  • Data for Aguiar 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).