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

Itanhem Threshold Days by Year (BR001740008)

4 fixed thresholds counted per year at Itanhem (BR001740008): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Itanhem Thresholds

  • Itanhem: days with 10 mm (0.39 in) or more of precipitation in 29 years, most in 1992 with 59.
  • Itanhem: days with 25 mm (0.98 in) or more of precipitation in 29 years, most in 1992 with 17.
  • Itanhem: days with 50 mm (1.97 in) or more of precipitation in 26 years, most in 1974 with 6.
  • Itanhem: days with 100 mm (3.94 in) or more of precipitation in 2 years, most in 1970 with 1.
  • 4 fixed thresholds have at least one qualifying day at Itanhem.
29 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Itanhem Days per year at Itanhem with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 59 in 1992. 02040601966: 201967: 341968: 401969: 311970: 421971: 351972: 301973: 321974: 421975: 401976: 321977: 411978: 331979: 411980: 391981: 401982: 291983: 431984: 431986: 321988: 281990: 281991: 311992: 591996: 321997: 361998: 211999: 332000: 441966196919721975197819811984199019961999
Days per year at Itanhem with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 59 in 1992.
Days with 10 mm (0.39 in) or more of precipitation per year at Itanhem
YearDaysDecade average
19662031.3
19673431.3
19684031.3
19693131.3
19704236.8
19713536.8
19723036.8
19733236.8
19744236.8
19754036.8
19763236.8
19774136.8
19783336.8
19794136.8
19803936.3
19814036.3
19822936.3
19834336.3
19844336.3
19863236.3
19882836.3
19902834.3
19913134.3
19925934.3
19963234.3
19973634.3
19982134.3
19993334.3
20004444
First to last qualifying date each year at Itanhem For each year, a bar from the first to the last day at Itanhem meeting 10 mm (0.39 in). 1966: 4 January 1966 to 28 December 19661967: 31 January 1967 to 29 December 19671968: 24 January 1968 to 15 December 19681969: 18 January 1969 to 29 December 19691970: 3 January 1970 to 8 December 19701971: 16 January 1971 to 21 December 19711972: 7 March 1972 to 26 December 19721973: 18 January 1973 to 28 December 19731974: 2 January 1974 to 28 December 19741975: 3 January 1975 to 16 December 19751976: 7 February 1976 to 10 December 19761977: 20 January 1977 to 29 December 19771978: 3 January 1978 to 21 December 19781979: 7 January 1979 to 23 December 19791980: 3 January 1980 to 31 December 19801981: 2 January 1981 to 31 December 19811982: 1 January 1982 to 27 December 19821983: 1 January 1983 to 18 December 19831984: 3 January 1984 to 26 December 19841986: 2 January 1986 to 31 December 19861988: 6 March 1988 to 18 December 19881990: 4 January 1990 to 30 December 19901991: 6 January 1991 to 25 November 19911992: 6 January 1992 to 31 December 19921996: 15 January 1996 to 5 December 19961997: 3 January 1997 to 18 December 19971998: 13 January 1998 to 23 December 19981999: 2 January 1999 to 15 December 19992000: 9 January 2000 to 22 December 200019661970197419781982198819962000JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Itanhem meeting 10 mm (0.39 in).
First to last qualifying date each year at Itanhem
YearFirst dateLast date
19661966-01-041966-12-28
19671967-01-311967-12-29
19681968-01-241968-12-15
19691969-01-181969-12-29
19701970-01-031970-12-08
19711971-01-161971-12-21
19721972-03-071972-12-26
19731973-01-181973-12-28
19741974-01-021974-12-28
19751975-01-031975-12-16
19761976-02-071976-12-10
19771977-01-201977-12-29
19781978-01-031978-12-21
19791979-01-071979-12-23
19801980-01-031980-12-31
19811981-01-021981-12-31
19821982-01-011982-12-27
19831983-01-011983-12-18
19841984-01-031984-12-26
19861986-01-021986-12-31
19881988-03-061988-12-18
19901990-01-041990-12-30
19911991-01-061991-11-25
19921992-01-061992-12-31
19961996-01-151996-12-05
19971997-01-031997-12-18
19981998-01-131998-12-23
19991999-01-021999-12-15
20002000-01-092000-12-22

Every Fixed Threshold

Fixed thresholds at Itanhem
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain2959199244
25 mm (0.98 in): Days with 25 mm or more rain2917199215
50 mm (1.97 in): Days with 50 mm or more rain26619743
100 mm (3.94 in): Days with 100 mm or more rain2119701

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1966.

Download the Data

  • Data for Itanhem 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).