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

Riacho Dos Machados Threshold Days by Year (BR057139930)

4 fixed thresholds counted per year at Riacho Dos Machados (BR057139930): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Riacho Dos Machados Thresholds

  • Riacho Dos Machados: days with 10 mm (0.39 in) or more of precipitation in 13 years, most in 1979 with 47.
  • Riacho Dos Machados: days with 25 mm (0.98 in) or more of precipitation in 13 years, most in 1979 with 28.
  • Riacho Dos Machados: days with 50 mm (1.97 in) or more of precipitation in 13 years, most in 1979 with 10.
  • Riacho Dos Machados: days with 100 mm (3.94 in) or more of precipitation in 5 years, most in 1978 with 2.
  • 4 fixed thresholds have at least one qualifying day at Riacho Dos Machados.
13 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Riacho Dos Machados Days per year at Riacho Dos Machados with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 47 in 1979. 02040601953: 281954: 281965: 261966: 241967: 351968: 291969: 381971: 291976: 261978: 371979: 471980: 391981: 431953196519671969197619791981
Days per year at Riacho Dos Machados with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 47 in 1979.
Days with 10 mm (0.39 in) or more of precipitation per year at Riacho Dos Machados
YearDaysDecade average
19532828
19542828
19652630.4
19662430.4
19673530.4
19682930.4
19693830.4
19712934.8
19762634.8
19783734.8
19794734.8
19803941
19814341
First to last qualifying date each year at Riacho Dos Machados For each year, a bar from the first to the last day at Riacho Dos Machados meeting 10 mm (0.39 in). 1953: 14 February 1953 to 29 December 19531954: 1 January 1954 to 10 December 19541965: 6 January 1965 to 25 November 19651966: 2 February 1966 to 25 December 19661967: 19 January 1967 to 31 December 19671968: 6 January 1968 to 24 November 19681969: 19 January 1969 to 31 December 19691971: 5 March 1971 to 23 December 19711976: 4 February 1976 to 27 December 19761978: 5 January 1978 to 21 December 19781979: 6 January 1979 to 31 December 19791980: 2 January 1980 to 31 December 19801981: 1 January 1981 to 31 December 19811953196519671969197619791981JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Riacho Dos Machados meeting 10 mm (0.39 in).
First to last qualifying date each year at Riacho Dos Machados
YearFirst dateLast date
19531953-02-141953-12-29
19541954-01-011954-12-10
19651965-01-061965-11-25
19661966-02-021966-12-25
19671967-01-191967-12-31
19681968-01-061968-11-24
19691969-01-191969-12-31
19711971-03-051971-12-23
19761976-02-041976-12-27
19781978-01-051978-12-21
19791979-01-061979-12-31
19801980-01-021980-12-31
19811981-01-011981-12-31

Every Fixed Threshold

Fixed thresholds at Riacho Dos Machados
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain1347197943
25 mm (0.98 in): Days with 25 mm or more rain1328197919
50 mm (1.97 in): Days with 50 mm or more rain131019794
100 mm (3.94 in): Days with 100 mm or more rain5219781

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1953.

Download the Data

  • Data for Riacho Dos Machados 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).