Joao Amaro Threshold Days by Year (BR047595330)

3 fixed thresholds counted per year at Joao Amaro (BR047595330): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Joao Amaro Thresholds

Joao Amaro: days with 10 mm (0.39 in) or more of precipitation in 61 years, most in 1964 with 36.
Joao Amaro: days with 25 mm (0.98 in) or more of precipitation in 60 years, most in 1975 with 18.
Joao Amaro: days with 50 mm (1.97 in) or more of precipitation in 47 years, most in 1964 with 9.
3 fixed thresholds have at least one qualifying day at Joao Amaro.

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

61 years with a qualifying day

Days per year at Joao Amaro with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 36 in 1964.

Days with 10 mm (0.39 in) or more of precipitation per year at Joao Amaro
Year	Days	Decade average
1912	24	21.5
1913	17	21.5
1914	21	21.5
1915	18	21.5
1916	25	21.5
1917	23	21.5
1918	24	21.5
1919	20	21.5
1920	22	16.8
1921	22	16.8
1922	14	16.8
1923	9	16.8
1924	23	16.8
1925	17	16.8
1926	21	16.8
1927	14	16.8
1928	14	16.8
1929	12	16.8
1930	17	15.4
1931	9	15.4
1932	12	15.4
1933	16	15.4
1934	10	15.4
1935	27	15.4
1936	24	15.4
1937	16	15.4
1938	9	15.4
1939	14	15.4
1940	20	17.8
1941	18	17.8
1942	21	17.8
1943	13	17.8
1944	21	17.8
1945	13	17.8
1947	23	17.8
1949	13	17.8
1950	13	13.5
1951	9	13.5
1952	14	13.5
1953	13	13.5
1954	12	13.5
1955	20	13.5
1956	14	13.5
1957	16	13.5
1958	21	13.5
1959	3	13.5
1961	8	21.8
1963	21	21.8
1964	36	21.8
1965	14	21.8
1966	24	21.8
1967	20	21.8
1968	26	21.8
1969	25	21.8
1970	27	25.1
1972	17	25.1
1973	17	25.1
1974	23	25.1
1975	36	25.1
1976	23	25.1
1978	33	25.1

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

First to last qualifying date each year at Joao Amaro
Year	First date	Last date
1912	1912-01-15	1912-04-30
1913	1913-02-15	1913-12-30
1914	1914-02-23	1914-12-11
1915	1915-01-26	1915-12-17
1916	1916-01-04	1916-12-25
1917	1917-01-10	1917-12-26
1918	1918-01-02	1918-12-30
1919	1919-01-01	1919-09-23
1920	1920-01-15	1920-12-31
1921	1921-01-01	1921-12-10
1922	1922-02-06	1922-12-24
1923	1923-02-22	1923-11-27
1924	1924-01-12	1924-12-19
1925	1925-01-02	1925-12-30
1926	1926-02-12	1926-12-09
1927	1927-01-14	1927-12-23
1928	1928-01-07	1928-12-12
1929	1929-01-05	1929-12-08
1930	1930-01-04	1930-12-18
1931	1931-02-04	1931-12-16
1932	1932-01-05	1932-12-01
1933	1933-02-15	1933-12-29
1934	1934-01-14	1934-12-29
1935	1935-01-01	1935-12-20
1936	1936-01-08	1936-12-20
1937	1937-01-15	1937-12-18
1938	1938-01-22	1938-11-15
1939	1939-01-05	1939-12-29
1940	1940-01-03	1940-12-27
1941	1941-01-06	1941-12-26
1942	1942-01-03	1942-12-26
1943	1943-01-27	1943-12-22
1944	1944-01-18	1944-12-27
1945	1945-01-08	1945-12-23
1947	1947-01-21	1947-12-03
1949	1949-03-02	1949-12-20
1950	1950-02-19	1950-12-15
1951	1951-03-01	1951-12-19
1952	1952-03-03	1952-12-17
1953	1953-01-03	1953-12-20
1954	1954-03-26	1954-12-09
1955	1955-01-17	1955-12-31
1956	1956-03-03	1956-12-22
1957	1957-01-11	1957-12-23
1958	1958-01-17	1958-12-31
1959	1959-01-20	1959-11-17
1961	1961-01-17	1961-12-08
1963	1963-01-28	1963-12-27
1964	1964-01-11	1964-12-08
1965	1965-01-26	1965-11-24
1966	1966-01-15	1966-12-21
1967	1967-02-16	1967-12-29
1968	1968-01-25	1968-12-08
1969	1969-01-02	1969-12-26
1970	1970-01-02	1970-11-17
1972	1972-01-20	1972-12-24
1973	1973-01-17	1973-11-24
1974	1974-01-03	1974-12-08
1975	1975-01-07	1975-12-15
1976	1976-02-03	1976-11-29
1978	1978-01-07	1978-12-20

Every Fixed Threshold

Fixed thresholds at Joao Amaro
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	36	1964	33
25 mm (0.98 in): Days with 25 mm or more rain	60	18	1975	9
50 mm (1.97 in): Days with 50 mm or more rain	47	9	1964	5

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1912.

Download the Data

Data for Joao Amaro 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).

Joao Amaro Threshold Days by Year (BR047595330)

Key Facts for Joao Amaro Thresholds

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

Every Fixed Threshold

Download the Data

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