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Built 2026-10-19 (19 October 2026)

Boca da Caatinga Threshold Days by Year (BR001443000)

4 fixed thresholds counted per year at Boca da Caatinga (BR001443000): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Boca da Caatinga Thresholds

  • Boca da Caatinga: days with 10 mm (0.39 in) or more of precipitation in 26 years, most in 1978 with 39.
  • Boca da Caatinga: days with 25 mm (0.98 in) or more of precipitation in 26 years, most in 1978 with 19.
  • Boca da Caatinga: days with 50 mm (1.97 in) or more of precipitation in 25 years, most in 1979 with 5.
  • Boca da Caatinga: days with 100 mm (3.94 in) or more of precipitation in 3 years, most in 1977 with 1.
  • 4 fixed thresholds have at least one qualifying day at Boca da Caatinga.
26 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Boca da Caatinga Days per year at Boca da Caatinga with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 39 in 1978. 0102030401971: 191972: 351974: 201975: 171977: 261978: 391979: 311980: 341981: 281982: 181983: 271984: 151985: 391986: 211987: 231989: 321990: 171991: 271992: 391994: 151995: 251996: 201997: 231998: 211999: 262000: 26197119751979198219851989199219961999
Days per year at Boca da Caatinga with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 39 in 1978.
Days with 10 mm (0.39 in) or more of precipitation per year at Boca da Caatinga
YearDaysDecade average
19711926.7
19723526.7
19742026.7
19751726.7
19772626.7
19783926.7
19793126.7
19803426.3
19812826.3
19821826.3
19832726.3
19841526.3
19853926.3
19862126.3
19872326.3
19893226.3
19901723.7
19912723.7
19923923.7
19941523.7
19952523.7
19962023.7
19972323.7
19982123.7
19992623.7
20002626
First to last qualifying date each year at Boca da Caatinga For each year, a bar from the first to the last day at Boca da Caatinga meeting 10 mm (0.39 in). 1971: 15 January 1971 to 25 November 19711972: 19 January 1972 to 25 December 19721974: 14 February 1974 to 29 December 19741975: 22 January 1975 to 25 December 19751977: 18 January 1977 to 30 December 19771978: 5 January 1978 to 22 December 19781979: 7 January 1979 to 31 December 19791980: 1 January 1980 to 31 December 19801981: 1 January 1981 to 31 December 19811982: 2 January 1982 to 26 December 19821983: 1 January 1983 to 31 December 19831984: 2 February 1984 to 16 December 19841985: 2 January 1985 to 29 December 19851986: 3 January 1986 to 29 December 19861987: 1 January 1987 to 25 December 19871989: 18 January 1989 to 27 December 19891990: 14 February 1990 to 27 December 19901991: 9 January 1991 to 30 December 19911992: 12 January 1992 to 27 December 19921994: 6 January 1994 to 24 December 19941995: 5 January 1995 to 27 December 19951996: 2 January 1996 to 28 December 19961997: 5 January 1997 to 17 December 19971998: 15 January 1998 to 19 December 19981999: 6 January 1999 to 31 December 19992000: 1 January 2000 to 22 December 20001971197719811985199019951999JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Boca da Caatinga meeting 10 mm (0.39 in).
First to last qualifying date each year at Boca da Caatinga
YearFirst dateLast date
19711971-01-151971-11-25
19721972-01-191972-12-25
19741974-02-141974-12-29
19751975-01-221975-12-25
19771977-01-181977-12-30
19781978-01-051978-12-22
19791979-01-071979-12-31
19801980-01-011980-12-31
19811981-01-011981-12-31
19821982-01-021982-12-26
19831983-01-011983-12-31
19841984-02-021984-12-16
19851985-01-021985-12-29
19861986-01-031986-12-29
19871987-01-011987-12-25
19891989-01-181989-12-27
19901990-02-141990-12-27
19911991-01-091991-12-30
19921992-01-121992-12-27
19941994-01-061994-12-24
19951995-01-051995-12-27
19961996-01-021996-12-28
19971997-01-051997-12-17
19981998-01-151998-12-19
19991999-01-061999-12-31
20002000-01-012000-12-22

Every Fixed Threshold

Fixed thresholds at Boca da Caatinga
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain2639197826
25 mm (0.98 in): Days with 25 mm or more rain2619197811
50 mm (1.97 in): Days with 50 mm or more rain25519792
100 mm (3.94 in): Days with 100 mm or more rain3119771

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1971.

Download the Data

  • Data for Boca da Caatinga 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).