Qacu (Bos) Threshold Days by Year (SF001018040)

4 fixed thresholds counted per year at Qacu (Bos) (SF001018040): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Qacu (Bos) Thresholds

Qacu (Bos): days with 10 mm (0.39 in) or more of precipitation in 101 years, most in 1974 with 45.
Qacu (Bos): days with 25 mm (0.98 in) or more of precipitation in 101 years, most in 1891 with 18.
Qacu (Bos): days with 50 mm (1.97 in) or more of precipitation in 55 years, most in 1970 with 6.
Qacu (Bos): days with 100 mm (3.94 in) or more of precipitation in 4 years, most in 1891 with 1.
4 fixed thresholds have at least one qualifying day at Qacu (Bos).

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

101 years with a qualifying day

Days per year at Qacu (Bos) with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 45 in 1974.

Days with 10 mm (0.39 in) or more of precipitation per year at Qacu (Bos)
Year	Days	Decade average
1888	21	21.5
1889	22	21.5
1890	25	26.2
1891	38	26.2
1892	25	26.2
1893	33	26.2
1894	21	26.2
1895	27	26.2
1896	28	26.2
1897	20	26.2
1898	24	26.2
1899	21	26.2
1900	20	21
1901	31	21
1902	22	21
1903	18	21
1904	14	21
1905	14	21
1906	25	21
1907	23	21
1908	20	21
1909	23	21
1910	21	21.3
1911	22	21.3
1912	17	21.3
1913	24	21.3
1914	20	21.3
1915	20	21.3
1916	17	21.3
1917	31	21.3
1918	27	21.3
1919	14	21.3
1920	15	22.5
1921	31	22.5
1922	20	22.5
1923	28	22.5
1924	11	22.5
1925	22	22.5
1926	25	22.5
1927	17	22.5
1928	27	22.5
1929	29	22.5
1930	29	29.4
1931	31	29.4
1932	24	29.4
1933	26	29.4
1934	39	29.4
1935	26	29.4
1936	37	29.4
1937	21	29.4
1938	29	29.4
1939	32	29.4
1940	15	18.6
1941	18	18.6
1942	26	18.6
1943	26	18.6
1944	21	18.6
1945	17	18.6
1946	19	18.6
1947	15	18.6
1948	20	18.6
1949	9	18.6
1950	29	27.7
1951	14	27.7
1952	25	27.7
1956	27	27.7
1957	28	27.7
1958	37	27.7
1959	34	27.7
1960	32	23.7
1961	23	23.7
1962	31	23.7
1963	16	23.7
1964	22	23.7
1965	17	23.7
1966	17	23.7
1967	24	23.7
1968	24	23.7
1969	31	23.7
1970	27	27.6
1971	22	27.6
1972	22	27.6
1973	25	27.6
1974	45	27.6
1975	23	27.6
1976	35	27.6
1977	24	27.6
1978	21	27.6
1979	32	27.6
1980	17	26.7
1981	29	26.7
1982	20	26.7
1983	21	26.7
1984	29	26.7
1985	38	26.7
1986	32	26.7
1987	21	26.7
1988	31	26.7
1989	29	26.7
1990	23	24
1991	25	24

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

First to last qualifying date each year at Qacu (Bos)
Year	First date	Last date
1888	1888-01-04	1888-11-16
1889	1889-01-03	1889-12-29
1890	1890-01-01	1890-12-30
1891	1891-01-02	1891-12-29
1892	1892-01-14	1892-12-18
1893	1893-01-08	1893-11-29
1894	1894-01-01	1894-12-13
1895	1895-01-04	1895-12-27
1896	1896-01-03	1896-12-30
1897	1897-01-06	1897-12-20
1898	1898-01-03	1898-12-06
1899	1899-01-08	1899-12-28
1900	1900-01-03	1900-12-30
1901	1901-01-02	1901-12-18
1902	1902-01-12	1902-12-24
1903	1903-01-05	1903-12-19
1904	1904-01-03	1904-12-13
1905	1905-01-12	1905-12-25
1906	1906-01-05	1906-12-24
1907	1907-01-01	1907-12-27
1908	1908-01-26	1908-12-22
1909	1909-01-11	1909-12-26
1910	1910-01-09	1910-12-21
1911	1911-01-05	1911-11-21
1912	1912-01-13	1912-12-31
1913	1913-01-01	1913-11-20
1914	1914-01-20	1914-12-03
1915	1915-01-03	1915-12-30
1916	1916-01-13	1916-12-21
1917	1917-01-17	1917-12-25
1918	1918-01-05	1918-12-11
1919	1919-01-22	1919-12-31
1920	1920-01-14	1920-12-30
1921	1921-01-04	1921-12-25
1922	1922-01-08	1922-12-31
1923	1923-01-11	1923-11-13
1924	1924-01-10	1924-12-27
1925	1925-01-02	1925-10-21
1926	1926-01-11	1926-12-28
1927	1927-01-04	1927-12-28
1928	1928-01-04	1928-12-24
1929	1929-01-12	1929-12-29
1930	1930-01-03	1930-12-29
1931	1931-01-01	1931-12-31
1932	1932-01-01	1932-12-25
1933	1933-01-02	1933-12-31
1934	1934-01-01	1934-12-24
1935	1935-01-03	1935-12-18
1936	1936-01-01	1936-12-30
1937	1937-01-19	1937-12-21
1938	1938-01-04	1938-12-31
1939	1939-01-01	1939-12-12
1940	1940-02-03	1940-12-21
1941	1941-02-03	1941-12-31
1942	1942-02-14	1942-12-25
1943	1943-01-12	1943-12-23
1944	1944-01-14	1944-11-15
1945	1945-01-06	1945-12-04
1946	1946-02-06	1946-11-26
1947	1947-01-07	1947-11-29
1948	1948-01-02	1948-12-20
1949	1949-02-27	1949-12-11
1950	1950-01-04	1950-12-12
1951	1951-01-02	1951-10-26
1952	1952-01-15	1952-12-16
1956	1956-02-02	1956-12-26
1957	1957-01-06	1957-12-29
1958	1958-01-07	1958-12-31
1959	1959-01-01	1959-12-20
1960	1960-01-02	1960-12-30
1961	1961-01-11	1961-12-03
1962	1962-01-07	1962-12-27
1963	1963-04-03	1963-12-12
1964	1964-01-01	1964-12-13
1965	1965-01-08	1965-11-22
1966	1966-01-05	1966-12-30
1967	1967-01-12	1967-12-23
1968	1968-01-09	1968-12-08
1969	1969-01-07	1969-12-29
1970	1970-01-16	1970-12-24
1971	1971-01-09	1971-12-11
1972	1972-01-09	1972-12-16
1973	1973-01-05	1973-12-26
1974	1974-01-09	1974-12-26
1975	1975-01-02	1975-12-31
1976	1976-01-06	1976-12-26
1977	1977-02-05	1977-12-26
1978	1978-01-05	1978-12-18
1979	1979-01-07	1979-12-28
1980	1980-01-11	1980-12-25
1981	1981-01-03	1981-12-23
1982	1982-02-03	1982-11-15
1983	1983-01-13	1983-12-29
1984	1984-01-07	1984-12-20
1985	1985-01-03	1985-12-30
1986	1986-01-04	1986-12-25
1987	1987-02-10	1987-12-22
1988	1988-01-12	1988-12-28
1989	1989-01-02	1989-12-25
1990	1990-01-01	1990-12-16
1991	1991-01-20	1991-12-17

Every Fixed Threshold

Fixed thresholds at Qacu (Bos)
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	101	45	1974	25
25 mm (0.98 in): Days with 25 mm or more rain	101	18	1891	7
50 mm (1.97 in): Days with 50 mm or more rain	55	6	1970	2
100 mm (3.94 in): Days with 100 mm or more rain	4	1	1891	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1888.

Download the Data

Data for Qacu (Bos) 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).

Qacu (Bos) Threshold Days by Year (SF001018040)

Key Facts for Qacu (Bos) Thresholds

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

Every Fixed Threshold

Download the Data

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