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Built 2026-10-19 (19 October 2026)

Usina Fortaleza (Dnos) Threshold Days by Year (BR002041018)

4 fixed thresholds counted per year at Usina Fortaleza (Dnos) (BR002041018): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Usina Fortaleza (Dnos) Thresholds

  • Usina Fortaleza (Dnos): days with 10 mm (0.39 in) or more of precipitation in 41 years, most in 1979 with 61.
  • Usina Fortaleza (Dnos): days with 25 mm (0.98 in) or more of precipitation in 41 years, most in 1979 with 30.
  • Usina Fortaleza (Dnos): days with 50 mm (1.97 in) or more of precipitation in 40 years, most in 1964 with 9.
  • Usina Fortaleza (Dnos): days with 100 mm (3.94 in) or more of precipitation in 6 years, most in 1980 with 2.
  • 4 fixed thresholds have at least one qualifying day at Usina Fortaleza (Dnos).
41 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Usina Fortaleza (Dnos) Days per year at Usina Fortaleza (Dnos) with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 61 in 1979. 0204060801957: 421958: 501959: 511961: 381962: 401963: 181964: 571965: 451966: 431967: 461968: 391969: 411970: 581971: 441972: 451973: 461974: 461975: 421976: 351977: 471978: 401979: 611980: 431981: 491982: 351983: 571984: 501985: 541986: 351987: 461988: 401989: 551990: 361991: 411993: 271995: 201996: 471997: 451998: 521999: 372000: 41195719631968197319781983198819952000
Days per year at Usina Fortaleza (Dnos) with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 61 in 1979.
Days with 10 mm (0.39 in) or more of precipitation per year at Usina Fortaleza (Dnos)
YearDaysDecade average
19574247.7
19585047.7
19595147.7
19613840.8
19624040.8
19631840.8
19645740.8
19654540.8
19664340.8
19674640.8
19683940.8
19694140.8
19705846.4
19714446.4
19724546.4
19734646.4
19744646.4
19754246.4
19763546.4
19774746.4
19784046.4
19796146.4
19804346.4
19814946.4
19823546.4
19835746.4
19845046.4
19855446.4
19863546.4
19874646.4
19884046.4
19895546.4
19903638.1
19914138.1
19932738.1
19952038.1
19964738.1
19974538.1
19985238.1
19993738.1
20004141
First to last qualifying date each year at Usina Fortaleza (Dnos) For each year, a bar from the first to the last day at Usina Fortaleza (Dnos) meeting 10 mm (0.39 in). 1957: 5 February 1957 to 29 December 19571958: 7 January 1958 to 31 December 19581959: 2 January 1959 to 29 December 19591961: 8 January 1961 to 31 December 19611962: 4 January 1962 to 28 December 19621963: 13 January 1963 to 21 December 19631964: 3 January 1964 to 31 December 19641965: 5 January 1965 to 31 December 19651966: 2 January 1966 to 31 December 19661967: 1 January 1967 to 31 December 19671968: 4 January 1968 to 20 December 19681969: 8 January 1969 to 31 December 19691970: 6 January 1970 to 20 December 19701971: 11 January 1971 to 25 December 19711972: 16 January 1972 to 23 December 19721973: 16 January 1973 to 26 December 19731974: 1 January 1974 to 29 December 19741975: 2 January 1975 to 15 December 19751976: 29 February 1976 to 30 December 19761977: 20 January 1977 to 24 December 19771978: 2 January 1978 to 20 December 19781979: 3 January 1979 to 28 December 19791980: 1 January 1980 to 30 December 19801981: 1 January 1981 to 29 December 19811982: 4 January 1982 to 28 December 19821983: 2 January 1983 to 28 December 19831984: 1 January 1984 to 31 December 19841985: 1 January 1985 to 22 December 19851986: 3 January 1986 to 30 December 19861987: 5 January 1987 to 23 December 19871988: 2 January 1988 to 31 December 19881989: 1 January 1989 to 27 December 19891990: 5 February 1990 to 30 December 19901991: 7 January 1991 to 31 December 19911993: 4 January 1993 to 31 December 19931995: 22 January 1995 to 29 November 19951996: 1 January 1996 to 31 December 19961997: 1 January 1997 to 20 December 19971998: 4 January 1998 to 31 December 19981999: 4 January 1999 to 30 December 19992000: 11 January 2000 to 18 December 20001957196419701976198219881996JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Usina Fortaleza (Dnos) meeting 10 mm (0.39 in).
First to last qualifying date each year at Usina Fortaleza (Dnos)
YearFirst dateLast date
19571957-02-051957-12-29
19581958-01-071958-12-31
19591959-01-021959-12-29
19611961-01-081961-12-31
19621962-01-041962-12-28
19631963-01-131963-12-21
19641964-01-031964-12-31
19651965-01-051965-12-31
19661966-01-021966-12-31
19671967-01-011967-12-31
19681968-01-041968-12-20
19691969-01-081969-12-31
19701970-01-061970-12-20
19711971-01-111971-12-25
19721972-01-161972-12-23
19731973-01-161973-12-26
19741974-01-011974-12-29
19751975-01-021975-12-15
19761976-02-291976-12-30
19771977-01-201977-12-24
19781978-01-021978-12-20
19791979-01-031979-12-28
19801980-01-011980-12-30
19811981-01-011981-12-29
19821982-01-041982-12-28
19831983-01-021983-12-28
19841984-01-011984-12-31
19851985-01-011985-12-22
19861986-01-031986-12-30
19871987-01-051987-12-23
19881988-01-021988-12-31
19891989-01-011989-12-27
19901990-02-051990-12-30
19911991-01-071991-12-31
19931993-01-041993-12-31
19951995-01-221995-11-29
19961996-01-011996-12-31
19971997-01-011997-12-20
19981998-01-041998-12-31
19991999-01-041999-12-30
20002000-01-112000-12-18

Every Fixed Threshold

Fixed thresholds at Usina Fortaleza (Dnos)
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain4161197941
25 mm (0.98 in): Days with 25 mm or more rain4130197914
50 mm (1.97 in): Days with 50 mm or more rain40919645
100 mm (3.94 in): Days with 100 mm or more rain6219801

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1957.

Download the Data

  • Data for Usina Fortaleza (Dnos) 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).