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Built 2026-10-19 (19 October 2026)

Itarana Threshold Days by Year (BR001940000)

4 fixed thresholds counted per year at Itarana (BR001940000): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Itarana Thresholds

  • Itarana: days with 10 mm (0.39 in) or more of precipitation in 49 years, most in 1983 with 51.
  • Itarana: days with 25 mm (0.98 in) or more of precipitation in 49 years, most in 1979 with 23.
  • Itarana: days with 50 mm (1.97 in) or more of precipitation in 47 years, most in 1948 with 11.
  • Itarana: days with 100 mm (3.94 in) or more of precipitation in 8 years, most in 1953 with 2.
  • 4 fixed thresholds have at least one qualifying day at Itarana.
49 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Itarana Days per year at Itarana with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 51 in 1983. 02040601948: 401949: 451950: 301951: 321952: 401953: 301954: 261955: 311956: 431957: 381958: 441959: 221960: 381961: 301962: 421963: 111964: 481967: 311970: 291971: 411972: 281973: 331974: 331975: 381976: 311977: 281978: 381979: 481980: 351981: 351982: 181983: 511984: 411985: 491986: 231987: 291988: 331989: 391990: 211991: 351992: 411993: 231994: 361995: 471996: 281997: 371998: 351999: 302000: 291948195319581963197219771982198719921997
Days per year at Itarana with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 51 in 1983.
Days with 10 mm (0.39 in) or more of precipitation per year at Itarana
YearDaysDecade average
19484042.5
19494542.5
19503033.6
19513233.6
19524033.6
19533033.6
19542633.6
19553133.6
19564333.6
19573833.6
19584433.6
19592233.6
19603833.3
19613033.3
19624233.3
19631133.3
19644833.3
19673133.3
19702934.7
19714134.7
19722834.7
19733334.7
19743334.7
19753834.7
19763134.7
19772834.7
19783834.7
19794834.7
19803535.3
19813535.3
19821835.3
19835135.3
19844135.3
19854935.3
19862335.3
19872935.3
19883335.3
19893935.3
19902133.3
19913533.3
19924133.3
19932333.3
19943633.3
19954733.3
19962833.3
19973733.3
19983533.3
19993033.3
20002929
First to last qualifying date each year at Itarana For each year, a bar from the first to the last day at Itarana meeting 10 mm (0.39 in). 1948: 3 February 1948 to 31 December 19481949: 1 January 1949 to 24 December 19491950: 11 January 1950 to 19 December 19501951: 2 January 1951 to 31 December 19511952: 2 January 1952 to 25 December 19521953: 6 January 1953 to 31 December 19531954: 1 January 1954 to 30 December 19541955: 5 January 1955 to 28 December 19551956: 2 January 1956 to 29 December 19561957: 1 January 1957 to 20 December 19571958: 10 January 1958 to 31 December 19581959: 10 January 1959 to 26 December 19591960: 1 January 1960 to 29 November 19601961: 1 January 1961 to 31 December 19611962: 4 January 1962 to 29 December 19621963: 31 January 1963 to 31 December 19631964: 3 January 1964 to 31 December 19641967: 2 January 1967 to 29 December 19671970: 14 January 1970 to 21 December 19701971: 16 January 1971 to 25 December 19711972: 17 January 1972 to 24 December 19721973: 17 January 1973 to 27 December 19731974: 2 January 1974 to 28 December 19741975: 3 January 1975 to 25 December 19751976: 1 February 1976 to 28 December 19761977: 18 January 1977 to 23 December 19771978: 3 January 1978 to 20 December 19781979: 5 January 1979 to 28 December 19791980: 2 January 1980 to 31 December 19801981: 1 January 1981 to 29 December 19811982: 4 January 1982 to 25 December 19821983: 2 January 1983 to 28 December 19831984: 8 January 1984 to 31 December 19841985: 2 January 1985 to 31 December 19851986: 2 January 1986 to 31 December 19861987: 18 January 1987 to 23 December 19871988: 2 January 1988 to 19 December 19881989: 2 January 1989 to 22 December 19891990: 16 February 1990 to 30 December 19901991: 6 January 1991 to 29 December 19911992: 1 January 1992 to 30 December 19921993: 6 January 1993 to 31 December 19931994: 3 January 1994 to 24 December 19941995: 21 January 1995 to 31 December 19951996: 1 January 1996 to 29 December 19961997: 1 January 1997 to 18 December 19971998: 7 January 1998 to 19 December 19981999: 2 January 1999 to 31 December 19992000: 1 January 2000 to 30 December 20001948195519621973198019871994JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Itarana meeting 10 mm (0.39 in).
First to last qualifying date each year at Itarana
YearFirst dateLast date
19481948-02-031948-12-31
19491949-01-011949-12-24
19501950-01-111950-12-19
19511951-01-021951-12-31
19521952-01-021952-12-25
19531953-01-061953-12-31
19541954-01-011954-12-30
19551955-01-051955-12-28
19561956-01-021956-12-29
19571957-01-011957-12-20
19581958-01-101958-12-31
19591959-01-101959-12-26
19601960-01-011960-11-29
19611961-01-011961-12-31
19621962-01-041962-12-29
19631963-01-311963-12-31
19641964-01-031964-12-31
19671967-01-021967-12-29
19701970-01-141970-12-21
19711971-01-161971-12-25
19721972-01-171972-12-24
19731973-01-171973-12-27
19741974-01-021974-12-28
19751975-01-031975-12-25
19761976-02-011976-12-28
19771977-01-181977-12-23
19781978-01-031978-12-20
19791979-01-051979-12-28
19801980-01-021980-12-31
19811981-01-011981-12-29
19821982-01-041982-12-25
19831983-01-021983-12-28
19841984-01-081984-12-31
19851985-01-021985-12-31
19861986-01-021986-12-31
19871987-01-181987-12-23
19881988-01-021988-12-19
19891989-01-021989-12-22
19901990-02-161990-12-30
19911991-01-061991-12-29
19921992-01-011992-12-30
19931993-01-061993-12-31
19941994-01-031994-12-24
19951995-01-211995-12-31
19961996-01-011996-12-29
19971997-01-011997-12-18
19981998-01-071998-12-19
19991999-01-021999-12-31
20002000-01-012000-12-30

Every Fixed Threshold

Fixed thresholds at Itarana
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain4951198329
25 mm (0.98 in): Days with 25 mm or more rain4923197912
50 mm (1.97 in): Days with 50 mm or more rain471119485
100 mm (3.94 in): Days with 100 mm or more rain8219532

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1948.

Download the Data

  • Data for Itarana 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).