Acude Ipaguassu Threshold Days by Year (BR027790470)

4 fixed thresholds counted per year at Acude Ipaguassu (BR027790470): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Acude Ipaguassu Thresholds

Acude Ipaguassu: days with 10 mm (0.39 in) or more of precipitation in 72 years, most in 1959 with 67.
Acude Ipaguassu: days with 25 mm (0.98 in) or more of precipitation in 72 years, most in 1974 with 26.
Acude Ipaguassu: days with 50 mm (1.97 in) or more of precipitation in 49 years, most in 1969 with 6.
Acude Ipaguassu: days with 100 mm (3.94 in) or more of precipitation in 6 years, most in 1974 with 3.
4 fixed thresholds have at least one qualifying day at Acude Ipaguassu.

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

72 years with a qualifying day

Days per year at Acude Ipaguassu with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 67 in 1959.

Days with 10 mm (0.39 in) or more of precipitation per year at Acude Ipaguassu
Year	Days	Decade average
1912	59	30
1913	37	30
1914	24	30
1915	11	30
1916	29	30
1917	44	30
1918	31	30
1919	5	30
1920	31	37.9
1921	42	37.9
1922	27	37.9
1923	34	37.9
1924	46	37.9
1925	39	37.9
1926	44	37.9
1927	29	37.9
1928	32	37.9
1929	55	37.9
1930	22	31.3
1931	27	31.3
1932	13	31.3
1933	34	31.3
1934	62	31.3
1935	50	31.3
1936	17	31.3
1937	28	31.3
1938	23	31.3
1939	37	31.3
1940	40	30.1
1941	18	30.1
1942	9	30.1
1943	22	30.1
1944	33	30.1
1945	48	30.1
1946	27	30.1
1947	41	30.1
1948	29	30.1
1949	34	30.1
1950	40	33.4
1951	11	33.4
1952	27	33.4
1953	19	33.4
1954	22	33.4
1955	40	33.4
1956	41	33.4
1957	53	33.4
1958	14	33.4
1959	67	33.4
1960	19	37
1961	45	37
1962	30	37
1963	49	37
1964	51	37
1965	48	37
1966	11	37
1967	34	37
1968	43	37
1969	40	37
1970	20	34.3
1971	44	34.3
1972	22	34.3
1973	47	34.3
1974	55	34.3
1975	42	34.3
1976	31	34.3
1977	42	34.3
1978	18	34.3
1979	22	34.3
1980	22	23.5
1981	19	23.5
1982	40	23.5
1983	13	23.5

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

First to last qualifying date each year at Acude Ipaguassu
Year	First date	Last date
1912	1912-01-02	1912-07-25
1913	1913-01-28	1913-12-09
1914	1914-01-05	1914-06-27
1915	1915-02-12	1915-12-18
1916	1916-01-19	1916-11-26
1917	1917-01-03	1917-12-17
1918	1918-01-03	1918-12-31
1919	1919-01-06	1919-05-05
1920	1920-02-16	1920-12-19
1921	1921-01-04	1921-07-19
1922	1922-02-01	1922-11-30
1923	1923-01-10	1923-07-10
1924	1924-01-24	1924-12-30
1925	1925-01-28	1925-12-21
1926	1926-01-10	1926-05-18
1927	1927-01-11	1927-12-07
1928	1928-01-07	1928-06-27
1929	1929-01-10	1929-06-09
1930	1930-02-16	1930-06-17
1931	1931-01-05	1931-05-30
1932	1932-02-01	1932-06-14
1933	1933-01-19	1933-12-30
1934	1934-01-02	1934-12-20
1935	1935-01-20	1935-06-27
1936	1936-01-01	1936-06-16
1937	1937-02-22	1937-10-12
1938	1938-01-06	1938-05-08
1939	1939-01-31	1939-10-19
1940	1940-01-18	1940-12-15
1941	1941-01-10	1941-10-07
1942	1942-01-02	1942-12-04
1943	1943-01-27	1943-12-22
1944	1944-01-23	1944-12-24
1945	1945-01-02	1945-07-01
1946	1946-01-02	1946-12-19
1947	1947-02-04	1947-11-27
1948	1948-01-18	1948-12-22
1949	1949-01-08	1949-11-22
1950	1950-01-12	1950-07-20
1951	1951-03-20	1951-12-15
1952	1952-01-03	1952-06-21
1953	1953-02-19	1953-05-20
1954	1954-01-12	1954-12-08
1955	1955-01-19	1955-06-21
1956	1956-01-10	1956-12-14
1957	1957-01-09	1957-08-11
1958	1958-01-14	1958-12-16
1959	1959-01-26	1959-08-08
1960	1960-03-14	1960-06-14
1961	1961-01-16	1961-06-07
1962	1962-01-06	1962-12-17
1963	1963-01-03	1963-12-27
1964	1964-01-01	1964-07-21
1965	1965-01-24	1965-10-06
1966	1966-03-08	1966-05-10
1967	1967-01-24	1967-12-29
1968	1968-01-20	1968-11-24
1969	1969-01-20	1969-07-03
1970	1970-01-18	1970-11-12
1971	1971-01-20	1971-08-09
1972	1972-01-21	1972-12-06
1973	1973-01-29	1973-12-15
1974	1974-01-14	1974-06-22
1975	1975-01-22	1975-12-07
1976	1976-01-17	1976-07-06
1977	1977-01-02	1977-07-25
1978	1978-01-15	1978-12-01
1979	1979-01-17	1979-06-15
1980	1980-01-15	1980-12-26
1981	1981-01-15	1981-12-21
1982	1982-01-07	1982-05-11
1983	1983-02-07	1983-06-13

Every Fixed Threshold

Fixed thresholds at Acude Ipaguassu
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	72	67	1959	13
25 mm (0.98 in): Days with 25 mm or more rain	72	26	1974	3
50 mm (1.97 in): Days with 50 mm or more rain	49	6	1969	1
100 mm (3.94 in): Days with 100 mm or more rain	6	3	1974	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 Acude Ipaguassu 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).

Acude Ipaguassu Threshold Days by Year (BR027790470)

Key Facts for Acude Ipaguassu Thresholds

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

Every Fixed Threshold

Download the Data

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