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Built 2026-10-19 (19 October 2026)

Prata Do Piaui Threshold Days by Year (BR000542008)

4 fixed thresholds counted per year at Prata Do Piaui (BR000542008): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Prata Do Piaui Thresholds

  • Prata Do Piaui: days with 10 mm (0.39 in) or more of precipitation in 33 years, most in 1985 with 78.
  • Prata Do Piaui: days with 25 mm (0.98 in) or more of precipitation in 33 years, most in 1985 with 45.
  • Prata Do Piaui: days with 50 mm (1.97 in) or more of precipitation in 32 years, most in 1985 with 15.
  • Prata Do Piaui: days with 100 mm (3.94 in) or more of precipitation in 7 years, most in 1974 with 1.
  • 4 fixed thresholds have at least one qualifying day at Prata Do Piaui.
33 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Prata Do Piaui Days per year at Prata Do Piaui with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 78 in 1985. 0204060801963: 321964: 491965: 491966: 261967: 501968: 401969: 341970: 321971: 311972: 351974: 461977: 531978: 391980: 371981: 241982: 281983: 201984: 521985: 781986: 461987: 351988: 481989: 411990: 251991: 361992: 371993: 181994: 411995: 471996: 361997: 431998: 281999: 41196319671971197819831987199119951999
Days per year at Prata Do Piaui with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 78 in 1985.
Days with 10 mm (0.39 in) or more of precipitation per year at Prata Do Piaui
YearDaysDecade average
19633240
19644940
19654940
19662640
19675040
19684040
19693440
19703239.3
19713139.3
19723539.3
19744639.3
19775339.3
19783939.3
19803740.9
19812440.9
19822840.9
19832040.9
19845240.9
19857840.9
19864640.9
19873540.9
19884840.9
19894140.9
19902535.2
19913635.2
19923735.2
19931835.2
19944135.2
19954735.2
19963635.2
19974335.2
19982835.2
19994135.2
First to last qualifying date each year at Prata Do Piaui For each year, a bar from the first to the last day at Prata Do Piaui meeting 10 mm (0.39 in). 1963: 20 January 1963 to 30 December 19631964: 4 January 1964 to 26 December 19641965: 8 January 1965 to 4 December 19651966: 21 January 1966 to 31 December 19661967: 2 January 1967 to 30 December 19671968: 23 January 1968 to 26 December 19681969: 1 January 1969 to 28 December 19691970: 11 January 1970 to 18 December 19701971: 11 January 1971 to 20 December 19711972: 12 January 1972 to 31 December 19721974: 5 January 1974 to 26 December 19741977: 2 January 1977 to 31 December 19771978: 8 January 1978 to 25 December 19781980: 3 January 1980 to 31 December 19801981: 1 January 1981 to 23 December 19811982: 9 January 1982 to 25 December 19821983: 2 January 1983 to 29 December 19831984: 4 January 1984 to 24 December 19841985: 1 January 1985 to 31 December 19851986: 11 January 1986 to 25 December 19861987: 12 January 1987 to 22 December 19871988: 2 January 1988 to 29 December 19881989: 9 January 1989 to 28 November 19891990: 9 January 1990 to 31 December 19901991: 10 January 1991 to 21 December 19911992: 8 January 1992 to 22 December 19921993: 15 January 1993 to 28 December 19931994: 3 January 1994 to 30 December 19941995: 6 January 1995 to 29 December 19951996: 1 January 1996 to 25 November 19961997: 2 January 1997 to 23 December 19971998: 3 January 1998 to 21 December 19981999: 11 January 1999 to 26 December 19991963196819741982198719921997JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Prata Do Piaui meeting 10 mm (0.39 in).
First to last qualifying date each year at Prata Do Piaui
YearFirst dateLast date
19631963-01-201963-12-30
19641964-01-041964-12-26
19651965-01-081965-12-04
19661966-01-211966-12-31
19671967-01-021967-12-30
19681968-01-231968-12-26
19691969-01-011969-12-28
19701970-01-111970-12-18
19711971-01-111971-12-20
19721972-01-121972-12-31
19741974-01-051974-12-26
19771977-01-021977-12-31
19781978-01-081978-12-25
19801980-01-031980-12-31
19811981-01-011981-12-23
19821982-01-091982-12-25
19831983-01-021983-12-29
19841984-01-041984-12-24
19851985-01-011985-12-31
19861986-01-111986-12-25
19871987-01-121987-12-22
19881988-01-021988-12-29
19891989-01-091989-11-28
19901990-01-091990-12-31
19911991-01-101991-12-21
19921992-01-081992-12-22
19931993-01-151993-12-28
19941994-01-031994-12-30
19951995-01-061995-12-29
19961996-01-011996-11-25
19971997-01-021997-12-23
19981998-01-031998-12-21
19991999-01-111999-12-26

Every Fixed Threshold

Fixed thresholds at Prata Do Piaui
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain3378198541
25 mm (0.98 in): Days with 25 mm or more rain3345198513
50 mm (1.97 in): Days with 50 mm or more rain321519852
100 mm (3.94 in): Days with 100 mm or more rain7119741

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1963.

Download the Data

  • Data for Prata Do Piaui 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).