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Built 2026-10-19 (19 October 2026)

Palmeirais Threshold Days by Year (BR000543010)

4 fixed thresholds counted per year at Palmeirais (BR000543010): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Palmeirais Thresholds

  • Palmeirais: days with 10 mm (0.39 in) or more of precipitation in 36 years, most in 1985 with 77.
  • Palmeirais: days with 25 mm (0.98 in) or more of precipitation in 36 years, most in 1985 with 29.
  • Palmeirais: days with 50 mm (1.97 in) or more of precipitation in 36 years, most in 1974 with 10.
  • Palmeirais: days with 100 mm (3.94 in) or more of precipitation in 12 years, most in 1965 with 2.
  • 4 fixed thresholds have at least one qualifying day at Palmeirais.
36 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Palmeirais Days per year at Palmeirais with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 77 in 1985. 0204060801963: 411964: 461965: 411966: 391967: 581968: 431969: 311970: 281971: 321972: 331973: 371974: 481976: 321977: 371978: 411979: 391980: 371981: 221982: 281983: 161984: 491985: 771986: 471987: 271988: 441989: 591990: 231991: 371992: 301993: 351994: 391995: 471996: 501997: 411998: 251999: 43196319671971197619801984198819921996
Days per year at Palmeirais with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 77 in 1985.
Days with 10 mm (0.39 in) or more of precipitation per year at Palmeirais
YearDaysDecade average
19634142.7
19644642.7
19654142.7
19663942.7
19675842.7
19684342.7
19693142.7
19702836.3
19713236.3
19723336.3
19733736.3
19744836.3
19763236.3
19773736.3
19784136.3
19793936.3
19803740.6
19812240.6
19822840.6
19831640.6
19844940.6
19857740.6
19864740.6
19872740.6
19884440.6
19895940.6
19902337
19913737
19923037
19933537
19943937
19954737
19965037
19974137
19982537
19994337
First to last qualifying date each year at Palmeirais For each year, a bar from the first to the last day at Palmeirais meeting 10 mm (0.39 in). 1963: 11 January 1963 to 31 December 19631964: 2 January 1964 to 26 December 19641965: 1 January 1965 to 12 November 19651966: 12 January 1966 to 29 December 19661967: 3 January 1967 to 31 December 19671968: 7 January 1968 to 26 December 19681969: 8 January 1969 to 24 December 19691970: 13 January 1970 to 26 November 19701971: 7 January 1971 to 16 December 19711972: 14 January 1972 to 27 December 19721973: 8 January 1973 to 20 December 19731974: 15 January 1974 to 31 December 19741976: 2 January 1976 to 28 November 19761977: 1 January 1977 to 31 December 19771978: 2 January 1978 to 25 December 19781979: 10 January 1979 to 31 December 19791980: 2 January 1980 to 21 December 19801981: 4 January 1981 to 21 December 19811982: 12 January 1982 to 25 December 19821983: 23 January 1983 to 23 December 19831984: 8 January 1984 to 26 December 19841985: 5 January 1985 to 31 December 19851986: 10 January 1986 to 5 December 19861987: 2 January 1987 to 21 December 19871988: 5 January 1988 to 24 December 19881989: 14 January 1989 to 29 December 19891990: 9 January 1990 to 10 December 19901991: 2 January 1991 to 29 December 19911992: 16 January 1992 to 30 December 19921993: 19 January 1993 to 16 December 19931994: 14 January 1994 to 26 December 19941995: 2 January 1995 to 30 December 19951996: 3 January 1996 to 22 December 19961997: 1 January 1997 to 24 December 19971998: 2 January 1998 to 30 November 19981999: 9 January 1999 to 30 December 199919631968197319791984198919941999JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Palmeirais meeting 10 mm (0.39 in).
First to last qualifying date each year at Palmeirais
YearFirst dateLast date
19631963-01-111963-12-31
19641964-01-021964-12-26
19651965-01-011965-11-12
19661966-01-121966-12-29
19671967-01-031967-12-31
19681968-01-071968-12-26
19691969-01-081969-12-24
19701970-01-131970-11-26
19711971-01-071971-12-16
19721972-01-141972-12-27
19731973-01-081973-12-20
19741974-01-151974-12-31
19761976-01-021976-11-28
19771977-01-011977-12-31
19781978-01-021978-12-25
19791979-01-101979-12-31
19801980-01-021980-12-21
19811981-01-041981-12-21
19821982-01-121982-12-25
19831983-01-231983-12-23
19841984-01-081984-12-26
19851985-01-051985-12-31
19861986-01-101986-12-05
19871987-01-021987-12-21
19881988-01-051988-12-24
19891989-01-141989-12-29
19901990-01-091990-12-10
19911991-01-021991-12-29
19921992-01-161992-12-30
19931993-01-191993-12-16
19941994-01-141994-12-26
19951995-01-021995-12-30
19961996-01-031996-12-22
19971997-01-011997-12-24
19981998-01-021998-11-30
19991999-01-091999-12-30

Every Fixed Threshold

Fixed thresholds at Palmeirais
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain3677198543
25 mm (0.98 in): Days with 25 mm or more rain3629198517
50 mm (1.97 in): Days with 50 mm or more rain361019744
100 mm (3.94 in): Days with 100 mm or more rain12219651

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 Palmeirais 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).