Rio de Contas Threshold Days by Year (BR047761380)

4 fixed thresholds counted per year at Rio de Contas (BR047761380): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Rio de Contas Thresholds

Rio de Contas: days with 10 mm (0.39 in) or more of precipitation in 71 years, most in 1940 with 57.
Rio de Contas: days with 25 mm (0.98 in) or more of precipitation in 67 years, most in 1940 with 26.
Rio de Contas: days with 50 mm (1.97 in) or more of precipitation in 57 years, most in 1920 with 9.
Rio de Contas: days with 100 mm (3.94 in) or more of precipitation in 4 years, most in 1919 with 1.
4 fixed thresholds have at least one qualifying day at Rio de Contas.

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

71 years with a qualifying day

Days per year at Rio de Contas with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 57 in 1940.

Days with 10 mm (0.39 in) or more of precipitation per year at Rio de Contas
Year	Days	Decade average
1912	33	27.8
1913	29	27.8
1914	27	27.8
1915	18	27.8
1916	30	27.8
1917	33	27.8
1918	21	27.8
1919	31	27.8
1920	45	24.6
1921	23	24.6
1922	24	24.6
1923	34	24.6
1924	29	24.6
1925	27	24.6
1926	41	24.6
1927	12	24.6
1928	7	24.6
1929	4	24.6
1930	19	22.3
1931	8	22.3
1932	17	22.3
1933	40	22.3
1934	13	22.3
1935	28	22.3
1936	35	22.3
1937	25	22.3
1938	18	22.3
1939	20	22.3
1940	57	33.7
1941	34	33.7
1942	42	33.7
1943	32	33.7
1944	37	33.7
1945	30	33.7
1946	24	33.7
1947	36	33.7
1948	24	33.7
1949	21	33.7
1950	19	19.6
1951	15	19.6
1952	22	19.6
1953	13	19.6
1954	21	19.6
1955	21	19.6
1956	16	19.6
1957	29	19.6
1958	28	19.6
1959	12	19.6
1960	23	27.3
1961	20	27.3
1962	22	27.3
1963	19	27.3
1964	37	27.3
1965	20	27.3
1966	30	27.3
1967	28	27.3
1968	39	27.3
1969	35	27.3
1970	25	24
1971	16	24
1972	22	24
1974	25	24
1975	26	24
1976	8	24
1977	33	24
1978	35	24
1979	26	24
1980	34	26
1981	26	26
1982	14	26
1983	30	26

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

First to last qualifying date each year at Rio de Contas
Year	First date	Last date
1912	1912-01-12	1912-10-27
1913	1913-01-03	1913-12-30
1914	1914-01-12	1914-12-12
1915	1915-01-09	1915-12-18
1916	1916-02-15	1916-12-16
1917	1917-01-08	1917-12-29
1918	1918-01-10	1918-12-25
1919	1919-01-03	1919-12-16
1920	1920-01-08	1920-12-31
1921	1921-01-01	1921-11-30
1922	1922-01-04	1922-12-26
1923	1923-01-18	1923-12-09
1924	1924-01-09	1924-12-20
1925	1925-01-24	1925-12-30
1926	1926-01-05	1926-12-09
1927	1927-02-03	1927-12-24
1928	1928-01-13	1928-11-25
1929	1929-03-15	1929-04-18
1930	1930-02-20	1930-12-14
1931	1931-02-13	1931-11-06
1932	1932-01-02	1932-11-17
1933	1933-01-02	1933-12-31
1934	1934-03-13	1934-12-31
1935	1935-01-01	1935-12-20
1936	1936-01-01	1936-12-16
1937	1937-01-01	1937-12-25
1938	1938-02-04	1938-12-15
1939	1939-01-19	1939-12-31
1940	1940-01-01	1940-12-20
1941	1941-01-10	1941-12-31
1942	1942-01-03	1942-12-28
1943	1943-01-18	1943-12-21
1944	1944-01-17	1944-12-31
1945	1945-01-17	1945-12-26
1946	1946-01-24	1946-12-01
1947	1947-01-21	1947-12-26
1948	1948-02-10	1948-12-29
1949	1949-01-23	1949-12-21
1950	1950-01-11	1950-12-16
1951	1951-01-20	1951-12-20
1952	1952-03-03	1952-12-22
1953	1953-02-07	1953-12-18
1954	1954-01-18	1954-12-09
1955	1955-01-16	1955-12-31
1956	1956-01-01	1956-12-27
1957	1957-01-11	1957-12-24
1958	1958-01-19	1958-12-29
1959	1959-01-21	1959-12-31
1960	1960-01-01	1960-12-03
1961	1961-01-02	1961-12-30
1962	1962-01-01	1962-12-25
1963	1963-01-04	1963-12-31
1964	1964-01-01	1964-12-31
1965	1965-01-07	1965-12-16
1966	1966-01-03	1966-12-29
1967	1967-01-29	1967-12-31
1968	1968-01-24	1968-12-12
1969	1969-01-19	1969-12-29
1970	1970-01-02	1970-12-04
1971	1971-01-15	1971-12-18
1972	1972-01-17	1972-12-24
1974	1974-01-03	1974-12-25
1975	1975-01-21	1975-12-23
1976	1976-09-29	1976-12-11
1977	1977-01-14	1977-12-29
1978	1978-01-02	1978-12-20
1979	1979-01-08	1979-12-31
1980	1980-01-01	1980-12-21
1981	1981-01-20	1981-12-31
1982	1982-01-06	1982-12-26
1983	1983-01-01	1983-12-15

Every Fixed Threshold

Fixed thresholds at Rio de Contas
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	71	57	1940	30
25 mm (0.98 in): Days with 25 mm or more rain	67	26	1940	13
50 mm (1.97 in): Days with 50 mm or more rain	57	9	1920	2
100 mm (3.94 in): Days with 100 mm or more rain	4	1	1919	1

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

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Data for Rio de Contas 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).

Rio de Contas Threshold Days by Year (BR047761380)

Key Facts for Rio de Contas Thresholds

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

Every Fixed Threshold

Download the Data

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