Kentani (Bos) Threshold Days by Year

5 fixed thresholds counted per year at Kentani (Bos) (SF001035700): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Kentani (Bos) Thresholds

Kentani (Bos): days with 10 mm (0.39 in) or more of precipitation in 101 years, most in 1929 with 49.
Kentani (Bos): days with 25 mm (0.98 in) or more of precipitation in 100 years, most in 1923 with 19.
Kentani (Bos): days with 50 mm (1.97 in) or more of precipitation in 91 years, most in 1985 with 11.
Kentani (Bos): days with 100 mm (3.94 in) or more of precipitation in 35 years, most in 1964 with 4.
5 fixed thresholds have at least one qualifying day at Kentani (Bos).

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

101 years with a qualifying day

Days per year at Kentani (Bos) with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 49 in 1929.

Days with 10 mm (0.39 in) or more of precipitation per year at Kentani (Bos)
Year	Days	Decade average
1890	28	18.7
1891	30	18.7
1892	18	18.7
1893	18	18.7
1895	13	18.7
1896	22	18.7
1897	18	18.7
1898	13	18.7
1899	8	18.7
1900	19	25.5
1901	16	25.5
1904	17	25.5
1905	26	25.5
1906	32	25.5
1907	25	25.5
1908	32	25.5
1909	37	25.5
1910	30	26.1
1912	20	26.1
1913	22	26.1
1914	29	26.1
1915	24	26.1
1916	28	26.1
1917	40	26.1
1918	28	26.1
1919	14	26.1
1920	27	32.9
1921	30	32.9
1922	35	32.9
1923	42	32.9
1924	26	32.9
1925	29	32.9
1927	24	32.9
1928	34	32.9
1929	49	32.9
1930	29	32.2
1931	24	32.2
1932	36	32.2
1933	30	32.2
1934	35	32.2
1935	35	32.2
1936	37	32.2
1937	27	32.2
1938	40	32.2
1939	29	32.2
1940	27	28.9
1941	23	28.9
1942	31	28.9
1943	39	28.9
1944	31	28.9
1945	25	28.9
1946	28	28.9
1947	36	28.9
1948	25	28.9
1949	24	28.9
1950	26	28.3
1951	21	28.3
1952	27	28.3
1954	28	28.3
1955	29	28.3
1956	35	28.3
1957	23	28.3
1958	31	28.3
1959	35	28.3
1960	35	30.4
1961	35	30.4
1962	24	30.4
1963	46	30.4
1964	35	30.4
1965	30	30.4
1966	19	30.4
1967	32	30.4
1968	19	30.4
1969	29	30.4
1970	25	31
1971	29	31
1972	26	31
1973	28	31
1974	36	31
1975	29	31
1976	45	31
1977	35	31
1978	33	31
1979	24	31
1980	22	30.7
1981	29	30.7
1982	17	30.7
1983	23	30.7
1984	35	30.7
1985	40	30.7
1986	40	30.7
1987	25	30.7
1988	41	30.7
1989	35	30.7
1990	29	30.1
1991	33	30.1
1992	27	30.1
1993	26	30.1
1994	29	30.1
1995	34	30.1
1996	33	30.1

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

First to last qualifying date each year at Kentani (Bos)
Year	First date	Last date
1890	1890-01-02	1890-12-29
1891	1891-01-02	1891-12-20
1892	1892-02-03	1892-12-19
1893	1893-01-09	1893-12-04
1895	1895-01-06	1895-12-28
1896	1896-01-05	1896-12-31
1897	1897-01-05	1897-11-06
1898	1898-01-06	1898-12-25
1899	1899-01-10	1899-10-27
1900	1900-01-09	1900-12-31
1901	1901-03-16	1901-11-20
1904	1904-01-03	1904-12-13
1905	1905-01-13	1905-12-25
1906	1906-01-05	1906-12-25
1907	1907-01-01	1907-12-27
1908	1908-02-02	1908-12-16
1909	1909-01-04	1909-12-26
1910	1910-02-08	1910-12-21
1912	1912-01-12	1912-12-31
1913	1913-01-01	1913-11-08
1914	1914-01-08	1914-12-27
1915	1915-01-03	1915-12-30
1916	1916-01-04	1916-12-28
1917	1917-01-06	1917-12-30
1918	1918-01-03	1918-12-18
1919	1919-02-17	1919-11-09
1920	1920-01-05	1920-12-30
1921	1921-01-04	1921-12-29
1922	1922-01-08	1922-12-30
1923	1923-01-02	1923-12-29
1924	1924-01-06	1924-12-27
1925	1925-01-01	1925-12-28
1927	1927-01-25	1927-12-31
1928	1928-01-04	1928-12-27
1929	1929-01-08	1929-12-30
1930	1930-01-14	1930-12-20
1931	1931-01-01	1931-12-31
1932	1932-01-01	1932-12-19
1933	1933-01-02	1933-12-31
1934	1934-01-01	1934-12-24
1935	1935-01-03	1935-12-18
1936	1936-02-06	1936-12-31
1937	1937-01-16	1937-12-21
1938	1938-01-16	1938-12-31
1939	1939-01-01	1939-12-05
1940	1940-01-07	1940-12-29
1941	1941-02-03	1941-12-21
1942	1942-02-16	1942-12-16
1943	1943-01-20	1943-12-31
1944	1944-01-14	1944-12-31
1945	1945-01-05	1945-12-04
1946	1946-01-09	1946-12-31
1947	1947-01-02	1947-12-28
1948	1948-01-08	1948-12-20
1949	1949-01-31	1949-12-19
1950	1950-01-04	1950-12-31
1951	1951-01-02	1951-12-25
1952	1952-01-08	1952-12-17
1954	1954-01-02	1954-11-25
1955	1955-01-04	1955-11-30
1956	1956-01-13	1956-12-22
1957	1957-03-05	1957-11-17
1958	1958-01-07	1958-12-21
1959	1959-01-01	1959-12-26
1960	1960-01-17	1960-12-29
1961	1961-01-13	1961-12-25
1962	1962-01-08	1962-12-12
1963	1963-01-04	1963-12-12
1964	1964-01-01	1964-12-13
1965	1965-01-05	1965-12-05
1966	1966-01-04	1966-12-30
1967	1967-01-13	1967-11-18
1968	1968-01-29	1968-12-07
1969	1969-01-06	1969-12-24
1970	1970-01-14	1970-12-24
1971	1971-01-07	1971-12-11
1972	1972-01-10	1972-12-25
1973	1973-01-30	1973-12-30
1974	1974-01-09	1974-12-24
1975	1975-01-28	1975-12-25
1976	1976-01-03	1976-12-25
1977	1977-01-20	1977-12-31
1978	1978-01-24	1978-12-31
1979	1979-01-05	1979-12-26
1980	1980-01-09	1980-12-27
1981	1981-01-02	1981-12-30
1982	1982-02-21	1982-12-05
1983	1983-01-03	1983-12-17
1984	1984-01-06	1984-12-23
1985	1985-01-07	1985-12-28
1986	1986-01-03	1986-12-28
1987	1987-01-06	1987-12-22
1988	1988-01-07	1988-12-29
1989	1989-01-07	1989-12-26
1990	1990-01-09	1990-12-29
1991	1991-01-22	1991-12-30
1992	1992-01-20	1992-12-24
1993	1993-01-08	1993-12-29
1994	1994-01-11	1994-12-26
1995	1995-01-07	1995-12-31
1996	1996-01-02	1996-12-29

Every Fixed Threshold

Fixed thresholds at Kentani (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	49	1929	33
25 mm (0.98 in): Days with 25 mm or more rain	100	19	1923	10
50 mm (1.97 in): Days with 50 mm or more rain	91	11	1985	1
100 mm (3.94 in): Days with 100 mm or more rain	35	4	1964	1
200 mm (7.87 in): Days with 200 mm or more rain	4	1	1943	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1890.

Download the Data

Data for Kentani (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 2026-10-14 (14 October 2026). Threshold counts are computed by this site.

Data as of 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Kentani (Bos) Threshold Days by Year

Key Facts for Kentani (Bos) Thresholds

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

Every Fixed Threshold

Download the Data

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