Piacabucu Threshold Days by Year

4 fixed thresholds counted per year at Piacabucu (BR001036007): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Piacabucu Thresholds

Piacabucu: days with 10 mm (0.39 in) or more of precipitation in 61 years, most in 1948 with 70.
Piacabucu: days with 25 mm (0.98 in) or more of precipitation in 59 years, most in 1954 with 31.
Piacabucu: days with 50 mm (1.97 in) or more of precipitation in 46 years, most in 1967 with 13.
Piacabucu: days with 100 mm (3.94 in) or more of precipitation in 9 years, most in 1966 with 2.
4 fixed thresholds have at least one qualifying day at Piacabucu.

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

61 years with a qualifying day

Days per year at Piacabucu with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 70 in 1948.

Days with 10 mm (0.39 in) or more of precipitation per year at Piacabucu
Year	Days	Decade average
1929	32	32
1930	35	32.8
1931	13	32.8
1932	3	32.8
1933	29	32.8
1934	43	32.8
1935	63	32.8
1936	49	32.8
1937	38	32.8
1938	28	32.8
1939	27	32.8
1940	39	37.2
1941	25	37.2
1942	30	37.2
1943	29	37.2
1944	28	37.2
1946	28	37.2
1947	43	37.2
1948	70	37.2
1949	43	37.2
1950	49	47.2
1951	34	47.2
1952	45	47.2
1953	49	47.2
1954	53	47.2
1955	55	47.2
1956	49	47.2
1957	45	47.2
1958	54	47.2
1959	39	47.2
1960	38	43.4
1961	41	43.4
1962	35	43.4
1963	40	43.4
1964	30	43.4
1965	31	43.4
1966	62	43.4
1967	51	43.4
1969	63	43.4
1970	23	35
1971	42	35
1972	39	35
1973	36	35
1982	35	42.1
1983	19	42.1
1984	43	42.1
1985	47	42.1
1986	55	42.1
1987	28	42.1
1988	45	42.1
1989	65	42.1
1990	23	27
1991	26	27
1992	34	27
1993	25	27
1994	26	27
1995	21	27
1996	40	27
1997	27	27
1998	19	27
1999	29	27

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

First to last qualifying date each year at Piacabucu
Year	First date	Last date
1929	1929-03-10	1929-12-03
1930	1930-01-02	1930-12-22
1931	1931-03-08	1931-12-02
1932	1932-02-28	1932-03-21
1933	1933-01-17	1933-10-20
1934	1934-01-24	1934-12-22
1935	1935-01-02	1935-12-24
1936	1936-01-05	1936-09-07
1937	1937-01-21	1937-08-06
1938	1938-02-18	1938-11-23
1939	1939-01-07	1939-10-31
1940	1940-01-26	1940-12-11
1941	1941-02-09	1941-10-26
1942	1942-01-30	1942-10-22
1943	1943-03-01	1943-11-17
1944	1944-01-20	1944-12-29
1946	1946-01-08	1946-11-13
1947	1947-03-16	1947-12-02
1948	1948-01-15	1948-11-27
1949	1949-01-15	1949-11-29
1950	1950-01-09	1950-12-26
1951	1951-02-06	1951-12-16
1952	1952-01-04	1952-12-18
1953	1953-01-20	1953-12-18
1954	1954-01-05	1954-12-23
1955	1955-01-03	1955-11-17
1956	1956-01-05	1956-11-19
1957	1957-01-08	1957-10-22
1958	1958-01-17	1958-12-28
1959	1959-01-21	1959-11-28
1960	1960-02-14	1960-12-26
1961	1961-01-19	1961-07-18
1962	1962-02-01	1962-12-17
1963	1963-01-30	1963-12-25
1964	1964-01-01	1964-12-07
1965	1965-01-13	1965-12-29
1966	1966-01-30	1966-11-29
1967	1967-04-05	1967-12-30
1969	1969-02-21	1969-12-18
1970	1970-02-04	1970-11-27
1971	1971-01-21	1971-12-08
1972	1972-01-17	1972-09-10
1973	1973-01-27	1973-12-22
1982	1982-01-26	1982-12-11
1983	1983-03-08	1983-11-30
1984	1984-02-29	1984-10-28
1985	1985-02-04	1985-12-20
1986	1986-01-28	1986-12-30
1987	1987-01-02	1987-10-13
1988	1988-02-04	1988-12-27
1989	1989-01-11	1989-12-23
1990	1990-01-05	1990-11-20
1991	1991-03-05	1991-08-21
1992	1992-01-28	1992-09-19
1993	1993-04-29	1993-10-18
1994	1994-03-23	1994-08-09
1995	1995-01-06	1995-11-24
1996	1996-02-29	1996-11-29
1997	1997-01-23	1997-07-23
1998	1998-01-22	1998-12-23
1999	1999-01-27	1999-12-09

Every Fixed Threshold

Fixed thresholds at Piacabucu
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	61	70	1948	29
25 mm (0.98 in): Days with 25 mm or more rain	59	31	1954	7
50 mm (1.97 in): Days with 50 mm or more rain	46	13	1967	3
100 mm (3.94 in): Days with 100 mm or more rain	9	2	1966	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1929.

Download the Data

Data for Piacabucu 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).

Piacabucu Threshold Days by Year

Key Facts for Piacabucu Thresholds

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

Every Fixed Threshold

Download the Data

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