Barro Preto Threshold Days by Year (BR001944026)

4 fixed thresholds counted per year at Barro Preto (BR001944026): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Barro Preto Thresholds

Barro Preto: days with 10 mm (0.39 in) or more of precipitation in 30 years, most in 1983 with 80.
Barro Preto: days with 25 mm (0.98 in) or more of precipitation in 30 years, most in 1983 with 35.
Barro Preto: days with 50 mm (1.97 in) or more of precipitation in 30 years, most in 1983 with 13.
Barro Preto: days with 100 mm (3.94 in) or more of precipitation in 12 years, most in 1996 with 3.
4 fixed thresholds have at least one qualifying day at Barro Preto.

Days with 10 mm (0.39 in) or more of precipitation

30 years with a qualifying day

Days per year at Barro Preto with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 80 in 1983.

Days with 10 mm (0.39 in) or more of precipitation per year at Barro Preto
Year	Days	Decade average
1971	53	49
1972	62	49
1973	38	49
1974	43	49
1975	43	49
1976	54	49
1977	39	49
1978	49	49
1979	60	49
1980	49	50
1981	48	50
1982	37	50
1983	80	50
1984	41	50
1985	57	50
1986	46	50
1987	42	50
1988	48	50
1989	52	50
1990	42	47
1991	52	47
1992	58	47
1993	42	47
1994	37	47
1995	46	47
1996	57	47
1997	54	47
1998	44	47
1999	38	47
2000	46	46

For each year, a bar from the first to the last day at Barro Preto meeting 10 mm (0.39 in).

First to last qualifying date each year at Barro Preto
Year	First date	Last date
1971	1971-01-18	1971-12-26
1972	1972-01-07	1972-12-30
1973	1973-01-01	1973-12-25
1974	1974-01-01	1974-12-30
1975	1975-01-02	1975-12-26
1976	1976-01-05	1976-12-29
1977	1977-01-18	1977-12-24
1978	1978-01-07	1978-12-28
1979	1979-01-04	1979-12-28
1980	1980-01-01	1980-12-31
1981	1981-01-02	1981-12-31
1982	1982-01-01	1982-11-29
1983	1983-01-01	1983-12-26
1984	1984-01-07	1984-12-31
1985	1985-01-01	1985-12-31
1986	1986-01-01	1986-12-29
1987	1987-01-11	1987-12-21
1988	1988-01-01	1988-12-26
1989	1989-01-06	1989-12-31
1990	1990-01-01	1990-12-30
1991	1991-01-05	1991-12-31
1992	1992-01-05	1992-12-30
1993	1993-01-04	1993-12-31
1994	1994-01-01	1994-12-28
1995	1995-01-03	1995-12-30
1996	1996-01-01	1996-12-31
1997	1997-01-02	1997-12-26
1998	1998-01-07	1998-12-28
1999	1999-01-02	1999-12-29
2000	2000-01-01	2000-12-30

Every Fixed Threshold

Fixed thresholds at Barro Preto
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
10 mm (0.39 in): Days with 10 mm or more rain	30	80	1983	46
25 mm (0.98 in): Days with 25 mm or more rain	30	35	1983	21
50 mm (1.97 in): Days with 50 mm or more rain	30	13	1983	7
100 mm (3.94 in): Days with 100 mm or more rain	12	3	1996	2

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1971.

Download the Data

Data for Barro 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 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Barro Preto Threshold Days by Year (BR001944026)

Key Facts for Barro Preto Thresholds

Days with 10 mm (0.39 in) or more of precipitation

Every Fixed Threshold

Download the Data

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