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

Forte Coimbra Threshold Days by Year (BR001957004)

4 fixed thresholds counted per year at Forte Coimbra (BR001957004): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Forte Coimbra Thresholds

  • Forte Coimbra: days with 10 mm (0.39 in) or more of precipitation in 17 years, most in 1979 with 43.
  • Forte Coimbra: days with 25 mm (0.98 in) or more of precipitation in 17 years, most in 1978 with 27.
  • Forte Coimbra: days with 50 mm (1.97 in) or more of precipitation in 15 years, most in 1979 with 10.
  • Forte Coimbra: days with 100 mm (3.94 in) or more of precipitation in 5 years, most in 1969 with 2.
  • 4 fixed thresholds have at least one qualifying day at Forte Coimbra.
17 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Forte Coimbra Days per year at Forte Coimbra with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 43 in 1979. 02040601969: 361970: 281971: 301972: 371977: 341978: 391979: 431981: 351982: 331983: 281992: 371994: 301995: 321996: 281997: 431998: 371999: 21196919711977197919821992199519971999
Days per year at Forte Coimbra with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 43 in 1979.
Days with 10 mm (0.39 in) or more of precipitation per year at Forte Coimbra
YearDaysDecade average
19693636
19702835.2
19713035.2
19723735.2
19773435.2
19783935.2
19794335.2
19813532
19823332
19832832
19923732.6
19943032.6
19953232.6
19962832.6
19974332.6
19983732.6
19992132.6
First to last qualifying date each year at Forte Coimbra For each year, a bar from the first to the last day at Forte Coimbra meeting 10 mm (0.39 in). 1969: 1 January 1969 to 24 December 19691970: 1 January 1970 to 29 December 19701971: 2 January 1971 to 16 December 19711972: 5 January 1972 to 17 December 19721977: 4 January 1977 to 21 December 19771978: 6 January 1978 to 25 December 19781979: 1 January 1979 to 31 December 19791981: 3 January 1981 to 29 December 19811982: 19 January 1982 to 22 December 19821983: 12 January 1983 to 29 December 19831992: 2 January 1992 to 24 December 19921994: 19 January 1994 to 28 December 19941995: 2 January 1995 to 12 December 19951996: 8 January 1996 to 25 December 19961997: 1 January 1997 to 24 December 19971998: 5 January 1998 to 22 December 19981999: 2 January 1999 to 31 December 1999196919721979198319951998JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Forte Coimbra meeting 10 mm (0.39 in).
First to last qualifying date each year at Forte Coimbra
YearFirst dateLast date
19691969-01-011969-12-24
19701970-01-011970-12-29
19711971-01-021971-12-16
19721972-01-051972-12-17
19771977-01-041977-12-21
19781978-01-061978-12-25
19791979-01-011979-12-31
19811981-01-031981-12-29
19821982-01-191982-12-22
19831983-01-121983-12-29
19921992-01-021992-12-24
19941994-01-191994-12-28
19951995-01-021995-12-12
19961996-01-081996-12-25
19971997-01-011997-12-24
19981998-01-051998-12-22
19991999-01-021999-12-31

Every Fixed Threshold

Fixed thresholds at Forte Coimbra
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain1743197921
25 mm (0.98 in): Days with 25 mm or more rain172719786
50 mm (1.97 in): Days with 50 mm or more rain151019791
100 mm (3.94 in): Days with 100 mm or more rain5219691

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1969.

Download the Data

  • Data for Forte Coimbra 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).