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Built 2026-10-19 (19 October 2026)

Assuncao Threshold Days by Year (BR028701750)

4 fixed thresholds counted per year at Assuncao (BR028701750): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Assuncao Thresholds

  • Assuncao: days with 10 mm (0.39 in) or more of precipitation in 40 years, most in 1974 with 63.
  • Assuncao: days with 25 mm (0.98 in) or more of precipitation in 40 years, most in 1974 with 29.
  • Assuncao: days with 50 mm (1.97 in) or more of precipitation in 33 years, most in 1974 with 10.
  • Assuncao: days with 100 mm (3.94 in) or more of precipitation in 8 years, most in 1981 with 2.
  • 4 fixed thresholds have at least one qualifying day at Assuncao.
40 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Assuncao Days per year at Assuncao with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 63 in 1974. 0204060801912: 501913: 431914: 221915: 111916: 371917: 501918: 221919: 71920: 221921: 391922: 231923: 291924: 581925: 281926: 471927: 301928: 211929: 481930: 271962: 241964: 441965: 391966: 231967: 381968: 371969: 311970: 201971: 381972: 261973: 381974: 631975: 381976: 311977: 391978: 221979: 161980: 161981: 231982: 271983: 61912191619201924192819641968197219761980
Days per year at Assuncao with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 63 in 1974.
Days with 10 mm (0.39 in) or more of precipitation per year at Assuncao
YearDaysDecade average
19125030.3
19134330.3
19142230.3
19151130.3
19163730.3
19175030.3
19182230.3
1919730.3
19202234.5
19213934.5
19222334.5
19232934.5
19245834.5
19252834.5
19264734.5
19273034.5
19282134.5
19294834.5
19302727
19622433.7
19644433.7
19653933.7
19662333.7
19673833.7
19683733.7
19693133.7
19702033.1
19713833.1
19722633.1
19733833.1
19746333.1
19753833.1
19763133.1
19773933.1
19782233.1
19791633.1
19801618
19812318
19822718
1983618
First to last qualifying date each year at Assuncao For each year, a bar from the first to the last day at Assuncao meeting 10 mm (0.39 in). 1912: 17 January 1912 to 14 December 19121913: 12 January 1913 to 10 December 19131914: 15 January 1914 to 18 September 19141915: 28 March 1915 to 15 December 19151916: 18 January 1916 to 31 December 19161917: 2 January 1917 to 19 December 19171918: 2 January 1918 to 31 December 19181919: 14 February 1919 to 2 May 19191920: 15 February 1920 to 5 August 19201921: 3 January 1921 to 8 October 19211922: 23 January 1922 to 30 November 19221923: 4 January 1923 to 9 July 19231924: 23 January 1924 to 30 December 19241925: 7 January 1925 to 20 August 19251926: 7 January 1926 to 12 December 19261927: 13 January 1927 to 21 June 19271928: 22 January 1928 to 13 June 19281929: 19 January 1929 to 17 June 19291930: 20 January 1930 to 9 July 19301962: 26 January 1962 to 5 July 19621964: 4 January 1964 to 9 July 19641965: 9 January 1965 to 24 December 19651966: 3 February 1966 to 27 September 19661967: 2 January 1967 to 15 May 19671968: 11 January 1968 to 28 December 19681969: 8 January 1969 to 16 July 19691970: 19 January 1970 to 21 June 19701971: 21 January 1971 to 15 December 19711972: 22 January 1972 to 21 December 19721973: 2 January 1973 to 16 September 19731974: 10 January 1974 to 28 December 19741975: 30 January 1975 to 5 December 19751976: 2 January 1976 to 21 November 19761977: 2 January 1977 to 17 July 19771978: 7 January 1978 to 11 July 19781979: 18 January 1979 to 21 December 19791980: 11 January 1980 to 30 June 19801981: 11 January 1981 to 21 December 19811982: 1 February 1982 to 7 June 19821983: 8 February 1983 to 27 December 198319121917192219271964196919741979JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Assuncao meeting 10 mm (0.39 in).
First to last qualifying date each year at Assuncao
YearFirst dateLast date
19121912-01-171912-12-14
19131913-01-121913-12-10
19141914-01-151914-09-18
19151915-03-281915-12-15
19161916-01-181916-12-31
19171917-01-021917-12-19
19181918-01-021918-12-31
19191919-02-141919-05-02
19201920-02-151920-08-05
19211921-01-031921-10-08
19221922-01-231922-11-30
19231923-01-041923-07-09
19241924-01-231924-12-30
19251925-01-071925-08-20
19261926-01-071926-12-12
19271927-01-131927-06-21
19281928-01-221928-06-13
19291929-01-191929-06-17
19301930-01-201930-07-09
19621962-01-261962-07-05
19641964-01-041964-07-09
19651965-01-091965-12-24
19661966-02-031966-09-27
19671967-01-021967-05-15
19681968-01-111968-12-28
19691969-01-081969-07-16
19701970-01-191970-06-21
19711971-01-211971-12-15
19721972-01-221972-12-21
19731973-01-021973-09-16
19741974-01-101974-12-28
19751975-01-301975-12-05
19761976-01-021976-11-21
19771977-01-021977-07-17
19781978-01-071978-07-11
19791979-01-181979-12-21
19801980-01-111980-06-30
19811981-01-111981-12-21
19821982-02-011982-06-07
19831983-02-081983-12-27

Every Fixed Threshold

Fixed thresholds at Assuncao
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain406319746
25 mm (0.98 in): Days with 25 mm or more rain402919741
50 mm (1.97 in): Days with 50 mm or more rain331019741
100 mm (3.94 in): Days with 100 mm or more rain8219812

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1912.

Download the Data

  • Data for Assuncao 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).