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

Itamaraju Threshold Days by Year (BR001739005)

4 fixed thresholds counted per year at Itamaraju (BR001739005): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Itamaraju Thresholds

  • Itamaraju: days with 10 mm (0.39 in) or more of precipitation in 25 years, most in 1992 with 62.
  • Itamaraju: days with 25 mm (0.98 in) or more of precipitation in 25 years, most in 1968 with 22.
  • Itamaraju: days with 50 mm (1.97 in) or more of precipitation in 24 years, most in 1968 with 9.
  • Itamaraju: days with 100 mm (3.94 in) or more of precipitation in 1 years, most in 1955 with 1.
  • 4 fixed thresholds have at least one qualifying day at Itamaraju.
25 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Itamaraju Days per year at Itamaraju with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 62 in 1992. 0204060801955: 511956: 551957: 521958: 411959: 361963: 391968: 611969: 501974: 581975: 461981: 431984: 461986: 291987: 351988: 361989: 391990: 401991: 361992: 621995: 321996: 261997: 271998: 331999: 412000: 59195519581968197519861989199219972000
Days per year at Itamaraju with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 62 in 1992.
Days with 10 mm (0.39 in) or more of precipitation per year at Itamaraju
YearDaysDecade average
19555147
19565547
19575247
19584147
19593647
19633950
19686150
19695050
19745852
19754652
19814338
19844638
19862938
19873538
19883638
19893938
19904037.1
19913637.1
19926237.1
19953237.1
19962637.1
19972737.1
19983337.1
19994137.1
20005959
First to last qualifying date each year at Itamaraju For each year, a bar from the first to the last day at Itamaraju meeting 10 mm (0.39 in). 1955: 24 January 1955 to 28 December 19551956: 1 February 1956 to 31 December 19561957: 3 January 1957 to 24 December 19571958: 2 January 1958 to 29 December 19581959: 1 January 1959 to 29 December 19591963: 4 January 1963 to 31 December 19631968: 9 January 1968 to 23 December 19681969: 18 January 1969 to 28 December 19691974: 1 January 1974 to 28 December 19741975: 3 January 1975 to 16 December 19751981: 1 January 1981 to 31 December 19811984: 18 January 1984 to 25 December 19841986: 3 January 1986 to 28 December 19861987: 8 January 1987 to 26 December 19871988: 2 January 1988 to 17 December 19881989: 6 February 1989 to 28 December 19891990: 6 January 1990 to 30 December 19901991: 7 January 1991 to 31 December 19911992: 2 January 1992 to 28 December 19921995: 19 March 1995 to 15 December 19951996: 16 January 1996 to 9 December 19961997: 4 February 1997 to 20 December 19971998: 10 January 1998 to 23 December 19981999: 26 January 1999 to 21 December 19992000: 2 January 2000 to 18 December 20001955195919741986199019962000JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Itamaraju meeting 10 mm (0.39 in).
First to last qualifying date each year at Itamaraju
YearFirst dateLast date
19551955-01-241955-12-28
19561956-02-011956-12-31
19571957-01-031957-12-24
19581958-01-021958-12-29
19591959-01-011959-12-29
19631963-01-041963-12-31
19681968-01-091968-12-23
19691969-01-181969-12-28
19741974-01-011974-12-28
19751975-01-031975-12-16
19811981-01-011981-12-31
19841984-01-181984-12-25
19861986-01-031986-12-28
19871987-01-081987-12-26
19881988-01-021988-12-17
19891989-02-061989-12-28
19901990-01-061990-12-30
19911991-01-071991-12-31
19921992-01-021992-12-28
19951995-03-191995-12-15
19961996-01-161996-12-09
19971997-02-041997-12-20
19981998-01-101998-12-23
19991999-01-261999-12-21
20002000-01-022000-12-18

Every Fixed Threshold

Fixed thresholds at Itamaraju
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain2562199259
25 mm (0.98 in): Days with 25 mm or more rain2522196819
50 mm (1.97 in): Days with 50 mm or more rain24919686
100 mm (3.94 in): Days with 100 mm or more rain1119551

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1955.

Download the Data

  • Data for Itamaraju 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).