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

Aratoi Grande Threshold Days by Year (BR000345000)

4 fixed thresholds counted per year at Aratoi Grande (BR000345000): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Aratoi Grande Thresholds

  • Aratoi Grande: days with 10 mm (0.39 in) or more of precipitation in 28 years, most in 1985 with 90.
  • Aratoi Grande: days with 25 mm (0.98 in) or more of precipitation in 28 years, most in 1974 with 37.
  • Aratoi Grande: days with 50 mm (1.97 in) or more of precipitation in 27 years, most in 1977 with 12.
  • Aratoi Grande: days with 100 mm (3.94 in) or more of precipitation in 11 years, most in 1980 with 2.
  • 4 fixed thresholds have at least one qualifying day at Aratoi Grande.
28 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Aratoi Grande Days per year at Aratoi Grande with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 90 in 1985. 02550751001971: 711972: 621973: 771974: 751975: 731976: 551977: 691978: 711979: 521980: 501981: 321982: 581983: 381984: 751985: 901986: 691987: 441988: 641989: 671990: 311992: 241993: 361994: 591995: 551996: 511997: 461998: 461999: 601971197419771980198319861989199319961999
Days per year at Aratoi Grande with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 90 in 1985.
Days with 10 mm (0.39 in) or more of precipitation per year at Aratoi Grande
YearDaysDecade average
19717167.2
19726267.2
19737767.2
19747567.2
19757367.2
19765567.2
19776967.2
19787167.2
19795267.2
19805058.7
19813258.7
19825858.7
19833858.7
19847558.7
19859058.7
19866958.7
19874458.7
19886458.7
19896758.7
19903145.3
19922445.3
19933645.3
19945945.3
19955545.3
19965145.3
19974645.3
19984645.3
19996045.3
First to last qualifying date each year at Aratoi Grande For each year, a bar from the first to the last day at Aratoi Grande meeting 10 mm (0.39 in). 1971: 10 January 1971 to 31 December 19711972: 10 January 1972 to 30 December 19721973: 2 January 1973 to 13 December 19731974: 9 January 1974 to 28 December 19741975: 5 January 1975 to 31 December 19751976: 8 January 1976 to 30 December 19761977: 2 January 1977 to 17 December 19771978: 8 January 1978 to 25 December 19781979: 10 January 1979 to 30 December 19791980: 9 January 1980 to 29 December 19801981: 7 January 1981 to 31 December 19811982: 3 January 1982 to 30 December 19821983: 1 January 1983 to 18 December 19831984: 2 January 1984 to 25 December 19841985: 1 January 1985 to 27 December 19851986: 7 January 1986 to 31 December 19861987: 3 January 1987 to 23 December 19871988: 4 January 1988 to 23 December 19881989: 9 January 1989 to 31 December 19891990: 16 January 1990 to 31 December 19901992: 24 January 1992 to 23 December 19921993: 9 January 1993 to 27 December 19931994: 1 January 1994 to 28 December 19941995: 3 January 1995 to 31 December 19951996: 6 January 1996 to 29 December 19961997: 3 January 1997 to 25 December 19971998: 3 January 1998 to 31 December 19981999: 18 January 1999 to 31 December 19991971197519791983198719921996JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Aratoi Grande meeting 10 mm (0.39 in).
First to last qualifying date each year at Aratoi Grande
YearFirst dateLast date
19711971-01-101971-12-31
19721972-01-101972-12-30
19731973-01-021973-12-13
19741974-01-091974-12-28
19751975-01-051975-12-31
19761976-01-081976-12-30
19771977-01-021977-12-17
19781978-01-081978-12-25
19791979-01-101979-12-30
19801980-01-091980-12-29
19811981-01-071981-12-31
19821982-01-031982-12-30
19831983-01-011983-12-18
19841984-01-021984-12-25
19851985-01-011985-12-27
19861986-01-071986-12-31
19871987-01-031987-12-23
19881988-01-041988-12-23
19891989-01-091989-12-31
19901990-01-161990-12-31
19921992-01-241992-12-23
19931993-01-091993-12-27
19941994-01-011994-12-28
19951995-01-031995-12-31
19961996-01-061996-12-29
19971997-01-031997-12-25
19981998-01-031998-12-31
19991999-01-181999-12-31

Every Fixed Threshold

Fixed thresholds at Aratoi Grande
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain2890198560
25 mm (0.98 in): Days with 25 mm or more rain2837197424
50 mm (1.97 in): Days with 50 mm or more rain271219776
100 mm (3.94 in): Days with 100 mm or more rain11219801

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1971.

Download the Data

  • Data for Aratoi Grande 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).