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Built 2026-10-19 (19 October 2026)

Umari Preto Threshold Days by Year (BR038364490)

5 fixed thresholds counted per year at Umari Preto (BR038364490): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Umari Preto Thresholds

  • Umari Preto: days with 10 mm (0.39 in) or more of precipitation in 34 years, most in 1964 with 34.
  • Umari Preto: days with 25 mm (0.98 in) or more of precipitation in 34 years, most in 1957 with 17.
  • Umari Preto: days with 50 mm (1.97 in) or more of precipitation in 29 years, most in 1952 with 10.
  • Umari Preto: days with 100 mm (3.94 in) or more of precipitation in 10 years, most in 1962 with 4.
  • 5 fixed thresholds have at least one qualifying day at Umari Preto.
34 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Umari Preto Days per year at Umari Preto with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 34 in 1964. 0102030401934: 291935: 321936: 141937: 161938: 151939: 181940: 211941: 91942: 61943: 71944: 161945: 301946: 111948: 291949: 131950: 231951: 71952: 181953: 121954: 251955: 191956: 201957: 281958: 61959: 171960: 261961: 331962: 191963: 281964: 341965: 161966: 141967: 131969: 12193419381942194619511955195919631967
Days per year at Umari Preto with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 34 in 1964.
Days with 10 mm (0.39 in) or more of precipitation per year at Umari Preto
YearDaysDecade average
19342920.7
19353220.7
19361420.7
19371620.7
19381520.7
19391820.7
19402115.8
1941915.8
1942615.8
1943715.8
19441615.8
19453015.8
19461115.8
19482915.8
19491315.8
19502317.5
1951717.5
19521817.5
19531217.5
19542517.5
19551917.5
19562017.5
19572817.5
1958617.5
19591717.5
19602621.7
19613321.7
19621921.7
19632821.7
19643421.7
19651621.7
19661421.7
19671321.7
19691221.7
First to last qualifying date each year at Umari Preto For each year, a bar from the first to the last day at Umari Preto meeting 10 mm (0.39 in). 1934: 11 January 1934 to 31 December 19341935: 29 January 1935 to 20 June 19351936: 9 February 1936 to 23 June 19361937: 20 February 1937 to 8 December 19371938: 15 February 1938 to 10 October 19381939: 2 February 1939 to 29 December 19391940: 2 January 1940 to 13 June 19401941: 11 February 1941 to 12 March 19411942: 11 February 1942 to 15 December 19421943: 26 January 1943 to 20 December 19431944: 13 February 1944 to 23 December 19441945: 14 January 1945 to 3 December 19451946: 9 January 1946 to 13 June 19461948: 7 March 1948 to 1 July 19481949: 24 March 1949 to 28 November 19491950: 13 January 1950 to 8 May 19501951: 7 February 1951 to 31 December 19511952: 1 March 1952 to 18 December 19521953: 1 March 1953 to 19 December 19531954: 11 February 1954 to 3 June 19541955: 10 February 1955 to 6 May 19551956: 21 February 1956 to 28 June 19561957: 6 March 1957 to 25 December 19571958: 13 April 1958 to 16 December 19581959: 11 January 1959 to 24 June 19591960: 7 January 1960 to 28 April 19601961: 21 January 1961 to 17 July 19611962: 9 February 1962 to 26 April 19621963: 10 January 1963 to 30 December 19631964: 11 January 1964 to 19 July 19641965: 17 February 1965 to 13 June 19651966: 29 January 1966 to 19 July 19661967: 9 February 1967 to 30 December 19671969: 23 January 1969 to 11 June 19691934193919441950195519601965JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Umari Preto meeting 10 mm (0.39 in).
First to last qualifying date each year at Umari Preto
YearFirst dateLast date
19341934-01-111934-12-31
19351935-01-291935-06-20
19361936-02-091936-06-23
19371937-02-201937-12-08
19381938-02-151938-10-10
19391939-02-021939-12-29
19401940-01-021940-06-13
19411941-02-111941-03-12
19421942-02-111942-12-15
19431943-01-261943-12-20
19441944-02-131944-12-23
19451945-01-141945-12-03
19461946-01-091946-06-13
19481948-03-071948-07-01
19491949-03-241949-11-28
19501950-01-131950-05-08
19511951-02-071951-12-31
19521952-03-011952-12-18
19531953-03-011953-12-19
19541954-02-111954-06-03
19551955-02-101955-05-06
19561956-02-211956-06-28
19571957-03-061957-12-25
19581958-04-131958-12-16
19591959-01-111959-06-24
19601960-01-071960-04-28
19611961-01-211961-07-17
19621962-02-091962-04-26
19631963-01-101963-12-30
19641964-01-111964-07-19
19651965-02-171965-06-13
19661966-01-291966-07-19
19671967-02-091967-12-30
19691969-01-231969-06-11

Every Fixed Threshold

Fixed thresholds at Umari Preto
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain3434196412
25 mm (0.98 in): Days with 25 mm or more rain341719574
50 mm (1.97 in): Days with 50 mm or more rain291019521
100 mm (3.94 in): Days with 100 mm or more rain10419624
200 mm (7.87 in): Days with 200 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 1934.

Download the Data

  • Data for Umari Preto 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).