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Built 2026-10-19 (19 October 2026)

Caldeirao Threshold Days by Year (BR001940020)

4 fixed thresholds counted per year at Caldeirao (BR001940020): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Caldeirao Thresholds

  • Caldeirao: days with 10 mm (0.39 in) or more of precipitation in 31 years, most in 1970 with 69.
  • Caldeirao: days with 25 mm (0.98 in) or more of precipitation in 31 years, most in 1974 with 26.
  • Caldeirao: days with 50 mm (1.97 in) or more of precipitation in 30 years, most in 1973 with 12.
  • Caldeirao: days with 100 mm (3.94 in) or more of precipitation in 6 years, most in 1980 with 4.
  • 4 fixed thresholds have at least one qualifying day at Caldeirao.
31 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Caldeirao Days per year at Caldeirao with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 69 in 1970. 0204060801970: 691971: 601972: 511973: 531974: 551975: 451976: 371977: 311978: 371979: 491980: 311981: 391982: 221983: 561984: 421985: 471986: 291987: 321988: 321989: 341990: 201991: 231992: 501993: 231994: 281995: 221996: 221997: 281998: 221999: 262000: 3219701974197819821986199019941998
Days per year at Caldeirao with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 69 in 1970.
Days with 10 mm (0.39 in) or more of precipitation per year at Caldeirao
YearDaysDecade average
19706948.7
19716048.7
19725148.7
19735348.7
19745548.7
19754548.7
19763748.7
19773148.7
19783748.7
19794948.7
19803136.4
19813936.4
19822236.4
19835636.4
19844236.4
19854736.4
19862936.4
19873236.4
19883236.4
19893436.4
19902026.4
19912326.4
19925026.4
19932326.4
19942826.4
19952226.4
19962226.4
19972826.4
19982226.4
19992626.4
20003232
First to last qualifying date each year at Caldeirao For each year, a bar from the first to the last day at Caldeirao meeting 10 mm (0.39 in). 1970: 10 January 1970 to 25 December 19701971: 9 January 1971 to 27 December 19711972: 14 January 1972 to 25 December 19721973: 17 January 1973 to 30 December 19731974: 2 January 1974 to 27 December 19741975: 3 January 1975 to 25 December 19751976: 3 January 1976 to 29 December 19761977: 18 January 1977 to 29 December 19771978: 3 January 1978 to 26 December 19781979: 5 January 1979 to 28 December 19791980: 1 January 1980 to 31 December 19801981: 1 January 1981 to 30 December 19811982: 1 January 1982 to 25 December 19821983: 1 January 1983 to 28 December 19831984: 7 January 1984 to 31 December 19841985: 2 January 1985 to 31 December 19851986: 2 January 1986 to 29 December 19861987: 18 January 1987 to 23 December 19871988: 2 January 1988 to 19 December 19881989: 3 January 1989 to 27 December 19891990: 4 January 1990 to 30 December 19901991: 5 January 1991 to 31 December 19911992: 3 January 1992 to 29 December 19921993: 8 January 1993 to 31 December 19931994: 3 January 1994 to 24 December 19941995: 1 February 1995 to 23 December 19951996: 11 January 1996 to 21 December 19961997: 3 January 1997 to 17 December 19971998: 7 January 1998 to 26 December 19981999: 4 January 1999 to 17 December 19992000: 1 January 2000 to 31 December 200019701974197819821986199019941998JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Caldeirao meeting 10 mm (0.39 in).
First to last qualifying date each year at Caldeirao
YearFirst dateLast date
19701970-01-101970-12-25
19711971-01-091971-12-27
19721972-01-141972-12-25
19731973-01-171973-12-30
19741974-01-021974-12-27
19751975-01-031975-12-25
19761976-01-031976-12-29
19771977-01-181977-12-29
19781978-01-031978-12-26
19791979-01-051979-12-28
19801980-01-011980-12-31
19811981-01-011981-12-30
19821982-01-011982-12-25
19831983-01-011983-12-28
19841984-01-071984-12-31
19851985-01-021985-12-31
19861986-01-021986-12-29
19871987-01-181987-12-23
19881988-01-021988-12-19
19891989-01-031989-12-27
19901990-01-041990-12-30
19911991-01-051991-12-31
19921992-01-031992-12-29
19931993-01-081993-12-31
19941994-01-031994-12-24
19951995-02-011995-12-23
19961996-01-111996-12-21
19971997-01-031997-12-17
19981998-01-071998-12-26
19991999-01-041999-12-17
20002000-01-012000-12-31

Every Fixed Threshold

Fixed thresholds at Caldeirao
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain3169197032
25 mm (0.98 in): Days with 25 mm or more rain3126197415
50 mm (1.97 in): Days with 50 mm or more rain301219732
100 mm (3.94 in): Days with 100 mm or more rain6419801

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1970.

Download the Data

  • Data for Caldeirao 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).