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

Sao Joao da Boa Vista Threshold Days by Year (BR002146013)

3 fixed thresholds counted per year at Sao Joao da Boa Vista (BR002146013): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Sao Joao da Boa Vista Thresholds

  • Sao Joao da Boa Vista: days with 10 mm (0.39 in) or more of precipitation in 26 years, most in 1983 with 72.
  • Sao Joao da Boa Vista: days with 25 mm (0.98 in) or more of precipitation in 26 years, most in 1989 with 30.
  • Sao Joao da Boa Vista: days with 50 mm (1.97 in) or more of precipitation in 25 years, most in 1983 with 8.
  • 3 fixed thresholds have at least one qualifying day at Sao Joao da Boa Vista.
26 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Sao Joao da Boa Vista Days per year at Sao Joao da Boa Vista with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 72 in 1983. 0204060801941: 431942: 441967: 371971: 251972: 501973: 461974: 411975: 481977: 511978: 451979: 501980: 561981: 431982: 561983: 721984: 361985: 471986: 641988: 451989: 551990: 541991: 611992: 571993: 471994: 291995: 56194119711974197819811984198819911994
Days per year at Sao Joao da Boa Vista with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 72 in 1983.
Days with 10 mm (0.39 in) or more of precipitation per year at Sao Joao da Boa Vista
YearDaysDecade average
19414343.5
19424443.5
19673737
19712544.5
19725044.5
19734644.5
19744144.5
19754844.5
19775144.5
19784544.5
19795044.5
19805652.7
19814352.7
19825652.7
19837252.7
19843652.7
19854752.7
19866452.7
19884552.7
19895552.7
19905450.7
19916150.7
19925750.7
19934750.7
19942950.7
19955650.7
First to last qualifying date each year at Sao Joao da Boa Vista For each year, a bar from the first to the last day at Sao Joao da Boa Vista meeting 10 mm (0.39 in). 1941: 1 January 1941 to 29 December 19411942: 7 January 1942 to 29 December 19421967: 4 January 1967 to 26 December 19671971: 20 February 1971 to 27 December 19711972: 1 January 1972 to 30 December 19721973: 6 January 1973 to 31 December 19731974: 1 January 1974 to 23 December 19741975: 1 January 1975 to 29 December 19751977: 1 January 1977 to 24 December 19771978: 7 January 1978 to 30 December 19781979: 5 January 1979 to 28 December 19791980: 1 January 1980 to 30 December 19801981: 4 January 1981 to 23 December 19811982: 3 January 1982 to 27 December 19821983: 1 January 1983 to 24 December 19831984: 22 January 1984 to 30 December 19841985: 1 January 1985 to 27 December 19851986: 3 January 1986 to 29 December 19861988: 5 January 1988 to 26 December 19881989: 2 January 1989 to 31 December 19891990: 2 January 1990 to 26 December 19901991: 12 January 1991 to 31 December 19911992: 2 January 1992 to 12 December 19921993: 5 January 1993 to 29 December 19931994: 10 January 1994 to 19 November 19941995: 1 January 1995 to 31 December 19951941197219771981198519901994JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Sao Joao da Boa Vista meeting 10 mm (0.39 in).
First to last qualifying date each year at Sao Joao da Boa Vista
YearFirst dateLast date
19411941-01-011941-12-29
19421942-01-071942-12-29
19671967-01-041967-12-26
19711971-02-201971-12-27
19721972-01-011972-12-30
19731973-01-061973-12-31
19741974-01-011974-12-23
19751975-01-011975-12-29
19771977-01-011977-12-24
19781978-01-071978-12-30
19791979-01-051979-12-28
19801980-01-011980-12-30
19811981-01-041981-12-23
19821982-01-031982-12-27
19831983-01-011983-12-24
19841984-01-221984-12-30
19851985-01-011985-12-27
19861986-01-031986-12-29
19881988-01-051988-12-26
19891989-01-021989-12-31
19901990-01-021990-12-26
19911991-01-121991-12-31
19921992-01-021992-12-12
19931993-01-051993-12-29
19941994-01-101994-11-19
19951995-01-011995-12-31

Every Fixed Threshold

Fixed thresholds at Sao Joao da Boa Vista
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain2672198356
25 mm (0.98 in): Days with 25 mm or more rain2630198919
50 mm (1.97 in): Days with 50 mm or more rain25819835

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1941.

Download the Data

  • Data for Sao Joao da Boa Vista 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).