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

Alcobaca Threshold Days by Year (BR001739010)

4 fixed thresholds counted per year at Alcobaca (BR001739010): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Alcobaca Thresholds

  • Alcobaca: days with 10 mm (0.39 in) or more of precipitation in 28 years, most in 1964 with 99.
  • Alcobaca: days with 25 mm (0.98 in) or more of precipitation in 28 years, most in 1990 with 30.
  • Alcobaca: days with 50 mm (1.97 in) or more of precipitation in 26 years, most in 1990 with 14.
  • Alcobaca: days with 100 mm (3.94 in) or more of precipitation in 12 years, most in 1990 with 4.
  • 4 fixed thresholds have at least one qualifying day at Alcobaca.
28 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Alcobaca Days per year at Alcobaca with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 99 in 1964. 02550751001962: 401964: 991965: 571966: 531967: 451968: 601969: 421970: 611972: 901973: 351974: 481976: 631977: 731979: 351981: 451983: 351984: 491985: 551986: 331987: 311989: 471990: 531991: 531996: 481997: 411998: 361999: 332000: 521962196619691973197719831986199019972000
Days per year at Alcobaca with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 99 in 1964.
Days with 10 mm (0.39 in) or more of precipitation per year at Alcobaca
YearDaysDecade average
19624056.6
19649956.6
19655756.6
19665356.6
19674556.6
19686056.6
19694256.6
19706157.9
19729057.9
19733557.9
19744857.9
19766357.9
19777357.9
19793557.9
19814542.1
19833542.1
19844942.1
19855542.1
19863342.1
19873142.1
19894742.1
19905344
19915344
19964844
19974144
19983644
19993344
20005252
First to last qualifying date each year at Alcobaca For each year, a bar from the first to the last day at Alcobaca meeting 10 mm (0.39 in). 1962: 1 January 1962 to 20 November 19621964: 10 January 1964 to 31 December 19641965: 18 January 1965 to 23 November 19651966: 14 January 1966 to 28 December 19661967: 8 January 1967 to 25 December 19671968: 7 January 1968 to 22 December 19681969: 17 January 1969 to 28 December 19691970: 1 January 1970 to 4 December 19701972: 12 January 1972 to 23 December 19721973: 13 March 1973 to 30 November 19731974: 1 January 1974 to 28 December 19741976: 12 February 1976 to 29 December 19761977: 21 January 1977 to 30 December 19771979: 4 February 1979 to 28 December 19791981: 29 January 1981 to 31 December 19811983: 1 January 1983 to 30 December 19831984: 25 January 1984 to 30 December 19841985: 1 January 1985 to 27 December 19851986: 3 January 1986 to 29 December 19861987: 21 January 1987 to 25 December 19871989: 24 January 1989 to 25 December 19891990: 21 January 1990 to 30 December 19901991: 6 January 1991 to 6 December 19911996: 29 February 1996 to 6 December 19961997: 28 January 1997 to 13 December 19971998: 21 January 1998 to 1 December 19981999: 2 March 1999 to 2 December 19992000: 11 January 2000 to 23 December 20001962196719721977198419891997JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Alcobaca meeting 10 mm (0.39 in).
First to last qualifying date each year at Alcobaca
YearFirst dateLast date
19621962-01-011962-11-20
19641964-01-101964-12-31
19651965-01-181965-11-23
19661966-01-141966-12-28
19671967-01-081967-12-25
19681968-01-071968-12-22
19691969-01-171969-12-28
19701970-01-011970-12-04
19721972-01-121972-12-23
19731973-03-131973-11-30
19741974-01-011974-12-28
19761976-02-121976-12-29
19771977-01-211977-12-30
19791979-02-041979-12-28
19811981-01-291981-12-31
19831983-01-011983-12-30
19841984-01-251984-12-30
19851985-01-011985-12-27
19861986-01-031986-12-29
19871987-01-211987-12-25
19891989-01-241989-12-25
19901990-01-211990-12-30
19911991-01-061991-12-06
19961996-02-291996-12-06
19971997-01-281997-12-13
19981998-01-211998-12-01
19991999-03-021999-12-02
20002000-01-112000-12-23

Every Fixed Threshold

Fixed thresholds at Alcobaca
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain2899196452
25 mm (0.98 in): Days with 25 mm or more rain2830199019
50 mm (1.97 in): Days with 50 mm or more rain261419906
100 mm (3.94 in): Days with 100 mm or more rain12419901

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1962.

Download the Data

  • Data for Alcobaca 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).