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

Instituto Agronomico Threshold Days by Year (BR001943011)

4 fixed thresholds counted per year at Instituto Agronomico (BR001943011): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Instituto Agronomico Thresholds

  • Instituto Agronomico: days with 10 mm (0.39 in) or more of precipitation in 27 years, most in 1945 with 73.
  • Instituto Agronomico: days with 25 mm (0.98 in) or more of precipitation in 27 years, most in 1945 with 33.
  • Instituto Agronomico: days with 50 mm (1.97 in) or more of precipitation in 27 years, most in 1945 with 9.
  • Instituto Agronomico: days with 100 mm (3.94 in) or more of precipitation in 5 years, most in 1961 with 2.
  • 4 fixed thresholds have at least one qualifying day at Instituto Agronomico.
27 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Instituto Agronomico Days per year at Instituto Agronomico with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 73 in 1945. 0204060801944: 391945: 731946: 361947: 521948: 311949: 571950: 371951: 341952: 491953: 421954: 291955: 521956: 431957: 601958: 371959: 301960: 531961: 471962: 571963: 141964: 671965: 621966: 451967: 441968: 431969: 411970: 37194419471950195319561959196219651968
Days per year at Instituto Agronomico with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 73 in 1945.
Days with 10 mm (0.39 in) or more of precipitation per year at Instituto Agronomico
YearDaysDecade average
19443948
19457348
19463648
19475248
19483148
19495748
19503741.3
19513441.3
19524941.3
19534241.3
19542941.3
19555241.3
19564341.3
19576041.3
19583741.3
19593041.3
19605347.3
19614747.3
19625747.3
19631447.3
19646747.3
19656247.3
19664547.3
19674447.3
19684347.3
19694147.3
19703737
First to last qualifying date each year at Instituto Agronomico For each year, a bar from the first to the last day at Instituto Agronomico meeting 10 mm (0.39 in). 1944: 25 January 1944 to 31 December 19441945: 3 January 1945 to 31 December 19451946: 1 January 1946 to 27 December 19461947: 1 January 1947 to 30 December 19471948: 9 January 1948 to 28 November 19481949: 9 January 1949 to 25 December 19491950: 14 January 1950 to 21 December 19501951: 8 January 1951 to 31 December 19511952: 3 January 1952 to 23 December 19521953: 29 January 1953 to 30 December 19531954: 2 January 1954 to 30 December 19541955: 11 January 1955 to 31 December 19551956: 15 February 1956 to 28 December 19561957: 12 January 1957 to 19 December 19571958: 10 January 1958 to 23 December 19581959: 3 January 1959 to 23 December 19591960: 1 January 1960 to 23 December 19601961: 1 January 1961 to 31 December 19611962: 4 January 1962 to 28 December 19621963: 3 February 1963 to 29 December 19631964: 1 January 1964 to 31 December 19641965: 3 January 1965 to 24 December 19651966: 1 January 1966 to 28 December 19661967: 2 January 1967 to 29 December 19671968: 5 January 1968 to 26 December 19681969: 17 January 1969 to 26 December 19691970: 6 January 1970 to 20 December 19701944194819521956196019641968JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Instituto Agronomico meeting 10 mm (0.39 in).
First to last qualifying date each year at Instituto Agronomico
YearFirst dateLast date
19441944-01-251944-12-31
19451945-01-031945-12-31
19461946-01-011946-12-27
19471947-01-011947-12-30
19481948-01-091948-11-28
19491949-01-091949-12-25
19501950-01-141950-12-21
19511951-01-081951-12-31
19521952-01-031952-12-23
19531953-01-291953-12-30
19541954-01-021954-12-30
19551955-01-111955-12-31
19561956-02-151956-12-28
19571957-01-121957-12-19
19581958-01-101958-12-23
19591959-01-031959-12-23
19601960-01-011960-12-23
19611961-01-011961-12-31
19621962-01-041962-12-28
19631963-02-031963-12-29
19641964-01-011964-12-31
19651965-01-031965-12-24
19661966-01-011966-12-28
19671967-01-021967-12-29
19681968-01-051968-12-26
19691969-01-171969-12-26
19701970-01-061970-12-20

Every Fixed Threshold

Fixed thresholds at Instituto Agronomico
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain2773194537
25 mm (0.98 in): Days with 25 mm or more rain2733194516
50 mm (1.97 in): Days with 50 mm or more rain27919453
100 mm (3.94 in): Days with 100 mm or more rain5219611

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1944.

Download the Data

  • Data for Instituto Agronomico 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).