Bonang Threshold Days by Year

4 fixed thresholds counted per year at Bonang (ASN00084002): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Bonang Thresholds

Bonang: days with 10 mm (0.39 in) or more of precipitation in 122 years, most in 1896 with 55.
Bonang: days with 25 mm (0.98 in) or more of precipitation in 122 years, most in 1893 with 28.
Bonang: days with 50 mm (1.97 in) or more of precipitation in 87 years, most in 1893 with 12.
Bonang: days with 100 mm (3.94 in) or more of precipitation in 12 years, most in 1890 with 1.
4 fixed thresholds have at least one qualifying day at Bonang.

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

122 years with a qualifying day

Days per year at Bonang with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 55 in 1896.

Days with 10 mm (0.39 in) or more of precipitation per year at Bonang
Year	Days	Decade average
1888	31	35.5
1889	40	35.5
1890	40	40.1
1891	52	40.1
1892	47	40.1
1893	44	40.1
1894	41	40.1
1895	26	40.1
1896	55	40.1
1897	31	40.1
1898	24	40.1
1899	41	40.1
1900	38	32.5
1901	39	32.5
1902	34	32.5
1903	28	32.5
1904	34	32.5
1905	42	32.5
1906	25	32.5
1907	28	32.5
1908	31	32.5
1909	26	32.5
1910	26	31.6
1911	42	31.6
1912	31	31.6
1913	43	31.6
1914	24	31.6
1915	22	31.6
1916	38	31.6
1917	27	31.6
1918	31	31.6
1922	32	31
1923	31	31
1924	35	31
1925	32	31
1926	29	31
1927	31	31
1928	28	31
1929	30	31
1930	24	26.8
1931	24	26.8
1932	25	26.8
1933	25	26.8
1934	37	26.8
1935	27	26.8
1936	33	26.8
1937	23	26.8
1938	22	26.8
1939	28	26.8
1940	23	24.5
1941	27	24.5
1942	25	24.5
1943	26	24.5
1944	17	24.5
1945	23	24.5
1946	28	24.5
1947	17	24.5
1948	31	24.5
1949	28	24.5
1950	32	30.1
1951	32	30.1
1952	33	30.1
1953	22	30.1
1954	29	30.1
1955	24	30.1
1956	41	30.1
1957	27	30.1
1958	31	30.1
1959	30	30.1
1960	32	25.5
1961	34	25.5
1962	25	25.5
1963	22	25.5
1964	25	25.5
1965	15	25.5
1966	36	25.5
1967	19	25.5
1968	17	25.5
1969	30	25.5
1970	35	23.4
1971	19	23.4
1972	21	23.4
1973	24	23.4
1976	18	23.4
1983	24	29
1984	31	29
1985	38	29
1986	23	29
1988	29	29
1990	22	23
1991	26	23
1995	31	23
1996	22	23
1998	20	23
1999	17	23
2000	22	21.1
2001	30	21.1
2002	21	21.1
2003	21	21.1
2004	16	21.1
2005	27	21.1
2006	19	21.1
2007	16	21.1
2008	24	21.1
2009	15	21.1
2010	23	24.6
2011	25	24.6
2012	30	24.6
2013	26	24.6
2014	28	24.6
2015	31	24.6
2016	30	24.6
2017	16	24.6
2018	18	24.6
2019	19	24.6
2020	28	27.4
2021	40	27.4
2022	39	27.4
2023	23	27.4
2024	24	27.4
2025	27	27.4
2026	11	27.4

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

First to last qualifying date each year at Bonang
Year	First date	Last date
1888	1888-01-04	1888-12-30
1889	1889-01-04	1889-11-26
1890	1890-02-12	1890-12-30
1891	1891-01-03	1891-12-12
1892	1892-01-06	1892-12-13
1893	1893-01-03	1893-12-31
1894	1894-01-01	1894-12-27
1895	1895-01-29	1895-12-21
1896	1896-01-13	1896-12-29
1897	1897-01-10	1897-12-24
1898	1898-01-30	1898-12-24
1899	1899-01-21	1899-11-08
1900	1900-01-19	1900-12-13
1901	1901-01-08	1901-12-29
1902	1902-01-05	1902-12-21
1903	1903-01-07	1903-12-28
1904	1904-01-03	1904-12-18
1905	1905-01-17	1905-12-11
1906	1906-03-02	1906-12-18
1907	1907-01-01	1907-12-28
1908	1908-01-10	1908-11-27
1909	1909-01-05	1909-12-22
1910	1910-01-15	1910-12-23
1911	1911-01-06	1911-12-22
1912	1912-02-08	1912-12-07
1913	1913-01-03	1913-11-13
1914	1914-01-27	1914-12-31
1915	1915-01-01	1915-12-16
1916	1916-01-07	1916-12-26
1917	1917-01-02	1917-12-31
1918	1918-01-30	1918-12-26
1922	1922-01-03	1922-12-22
1923	1923-01-12	1923-12-27
1924	1924-01-03	1924-12-27
1925	1925-01-07	1925-12-24
1926	1926-01-05	1926-12-23
1927	1927-01-06	1927-11-24
1928	1928-01-13	1928-12-24
1929	1929-02-14	1929-12-28
1930	1930-02-20	1930-12-29
1931	1931-01-19	1931-12-18
1932	1932-02-06	1932-12-02
1933	1933-01-04	1933-12-17
1934	1934-01-06	1934-12-29
1935	1935-01-05	1935-12-28
1936	1936-01-04	1936-12-21
1937	1937-01-03	1937-11-07
1938	1938-01-03	1938-11-22
1939	1939-01-07	1939-12-06
1940	1940-01-08	1940-12-29
1941	1941-01-02	1941-12-06
1942	1942-02-14	1942-12-11
1943	1943-01-03	1943-12-06
1944	1944-03-10	1944-11-06
1945	1945-01-11	1945-12-28
1946	1946-02-11	1946-12-09
1947	1947-02-19	1947-12-25
1948	1948-01-02	1948-12-30
1949	1949-01-01	1949-12-21
1950	1950-01-19	1950-12-08
1951	1951-01-08	1951-12-21
1952	1952-01-08	1952-12-27
1953	1953-01-06	1953-12-31
1954	1954-01-14	1954-12-08
1955	1955-01-30	1955-12-29
1956	1956-01-11	1956-11-23
1957	1957-01-23	1957-12-31
1958	1958-01-28	1958-12-26
1959	1959-02-06	1959-12-28
1960	1960-01-12	1960-12-28
1961	1961-01-02	1961-12-23
1962	1962-01-03	1962-12-24
1963	1963-01-02	1963-12-16
1964	1964-02-07	1964-12-23
1965	1965-04-24	1965-11-25
1966	1966-01-30	1966-12-29
1967	1967-03-08	1967-12-23
1968	1968-01-11	1968-12-30
1969	1969-01-02	1969-12-15
1970	1970-01-09	1970-12-30
1971	1971-01-05	1971-12-31
1972	1972-01-11	1972-11-26
1973	1973-01-13	1973-12-21
1976	1976-01-05	1976-12-24
1983	1983-01-02	1983-12-07
1984	1984-01-16	1984-12-15
1985	1985-01-03	1985-12-24
1986	1986-01-16	1986-12-09
1988	1988-01-02	1988-12-26
1990	1990-01-09	1990-12-11
1991	1991-01-05	1991-12-14
1995	1995-01-18	1995-12-07
1996	1996-01-03	1996-12-26
1998	1998-01-25	1998-12-28
1999	1999-01-23	1999-12-29
2000	2000-01-01	2000-12-23
2001	2001-01-25	2001-12-27
2002	2002-01-22	2002-12-01
2003	2003-01-31	2003-12-22
2004	2004-01-22	2004-12-29
2005	2005-01-21	2005-12-04
2006	2006-01-17	2006-12-24
2007	2007-01-01	2007-12-23
2008	2008-01-20	2008-12-19
2009	2009-02-03	2009-12-25
2010	2010-01-02	2010-12-20
2011	2011-01-09	2011-12-01
2012	2012-01-12	2012-12-02
2013	2013-01-29	2013-12-24
2014	2014-01-16	2014-12-24
2015	2015-01-09	2015-12-27
2016	2016-01-04	2016-12-30
2017	2017-02-07	2017-12-30
2018	2018-01-02	2018-12-22
2019	2019-01-31	2019-11-04
2020	2020-01-20	2020-12-23
2021	2021-01-04	2021-12-20
2022	2022-01-03	2022-12-16
2023	2023-01-15	2023-12-27
2024	2024-01-04	2024-12-07
2025	2025-01-07	2025-12-31
2026	2026-01-16	2026-06-05

Every Fixed Threshold

Fixed thresholds at Bonang
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	122	55	1896	11
25 mm (0.98 in): Days with 25 mm or more rain	122	28	1893	3
50 mm (1.97 in): Days with 50 mm or more rain	87	12	1893	1
100 mm (3.94 in): Days with 100 mm or more rain	12	1	1890	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 Bonang 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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

Data as of 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Bonang Threshold Days by Year

Key Facts for Bonang Thresholds

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

Every Fixed Threshold

Download the Data

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