Ntywenka (Bos) Threshold Days by Year

5 fixed thresholds counted per year at Ntywenka (Bos) (SF001521900): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ntywenka (Bos) Thresholds

Ntywenka (Bos): days with 10 mm (0.39 in) or more of precipitation in 69 years, most in 1942 with 50.
Ntywenka (Bos): days with 25 mm (0.98 in) or more of precipitation in 69 years, most in 1943 with 22.
Ntywenka (Bos): days with 50 mm (1.97 in) or more of precipitation in 60 years, most in 1963 with 7.
Ntywenka (Bos): days with 100 mm (3.94 in) or more of precipitation in 4 years, most in 1955 with 1.
5 fixed thresholds have at least one qualifying day at Ntywenka (Bos).

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

69 years with a qualifying day

Days per year at Ntywenka (Bos) with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 50 in 1942.

Days with 10 mm (0.39 in) or more of precipitation per year at Ntywenka (Bos)
Year	Days	Decade average
1924	33	34.8
1925	29	34.8
1926	35	34.8
1927	28	34.8
1928	36	34.8
1929	48	34.8
1930	29	37.1
1931	36	37.1
1932	44	37.1
1933	37	37.1
1934	40	37.1
1935	27	37.1
1936	48	37.1
1937	26	37.1
1938	44	37.1
1939	40	37.1
1940	38	35.7
1941	27	35.7
1942	50	35.7
1943	48	35.7
1944	35	35.7
1945	28	35.7
1946	33	35.7
1947	39	35.7
1948	31	35.7
1949	28	35.7
1950	45	36.4
1951	29	36.4
1952	34	36.4
1954	37	36.4
1955	37	36.4
1956	36	36.4
1957	39	36.4
1958	40	36.4
1959	31	36.4
1960	46	36.9
1961	40	36.9
1962	38	36.9
1963	43	36.9
1964	39	36.9
1965	31	36.9
1966	30	36.9
1967	35	36.9
1968	25	36.9
1969	42	36.9
1970	35	34.6
1971	37	34.6
1972	22	34.6
1973	38	34.6
1974	38	34.6
1975	33	34.6
1976	42	34.6
1977	29	34.6
1978	43	34.6
1979	29	34.6
1980	35	35.7
1981	39	35.7
1982	30	35.7
1983	28	35.7
1984	34	35.7
1985	44	35.7
1987	40	35.7
1990	29	27.7
1992	17	27.7
1993	27	27.7
1994	29	27.7
1995	30	27.7
1996	29	27.7
1997	33	27.7

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

First to last qualifying date each year at Ntywenka (Bos)
Year	First date	Last date
1924	1924-01-06	1924-12-28
1925	1925-01-03	1925-12-28
1926	1926-01-03	1926-12-27
1927	1927-01-25	1927-12-28
1928	1928-01-03	1928-12-25
1929	1929-01-05	1929-12-18
1930	1930-01-01	1930-12-31
1931	1931-01-01	1931-12-31
1932	1932-01-14	1932-12-30
1933	1933-01-02	1933-12-31
1934	1934-01-01	1934-12-26
1935	1935-01-03	1935-12-19
1936	1936-02-05	1936-12-27
1937	1937-01-05	1937-12-22
1938	1938-01-12	1938-12-31
1939	1939-01-01	1939-12-26
1940	1940-01-07	1940-12-26
1941	1941-01-02	1941-12-21
1942	1942-01-01	1942-12-26
1943	1943-01-15	1943-12-28
1944	1944-01-01	1944-12-21
1945	1945-01-06	1945-12-05
1946	1946-01-01	1946-12-31
1947	1947-01-01	1947-12-31
1948	1948-01-08	1948-11-18
1949	1949-01-12	1949-12-11
1950	1950-01-01	1950-12-30
1951	1951-01-02	1951-12-12
1952	1952-01-02	1952-12-28
1954	1954-01-13	1954-12-29
1955	1955-01-02	1955-12-20
1956	1956-01-13	1956-12-22
1957	1957-01-07	1957-12-29
1958	1958-01-03	1958-12-29
1959	1959-01-06	1959-12-24
1960	1960-01-17	1960-12-31
1961	1961-01-14	1961-12-19
1962	1962-01-07	1962-12-23
1963	1963-01-03	1963-12-16
1964	1964-01-01	1964-12-24
1965	1965-01-05	1965-12-28
1966	1966-01-08	1966-12-30
1967	1967-01-01	1967-12-01
1968	1968-01-02	1968-12-26
1969	1969-01-07	1969-12-28
1970	1970-01-14	1970-12-29
1971	1971-01-07	1971-12-19
1972	1972-01-10	1972-12-27
1973	1973-01-05	1973-12-30
1974	1974-01-15	1974-12-24
1975	1975-01-10	1975-12-28
1976	1976-01-03	1976-12-26
1977	1977-01-08	1977-12-29
1978	1978-01-04	1978-12-26
1979	1979-01-01	1979-12-26
1980	1980-01-09	1980-12-28
1981	1981-01-03	1981-12-30
1982	1982-01-02	1982-12-06
1983	1983-01-12	1983-12-29
1984	1984-01-05	1984-12-23
1985	1985-01-02	1985-12-19
1987	1987-01-04	1987-12-22
1990	1990-01-02	1990-12-17
1992	1992-01-05	1992-11-19
1993	1993-01-03	1993-12-14
1994	1994-01-03	1994-12-26
1995	1995-01-08	1995-12-26
1996	1996-01-04	1996-12-31
1997	1997-01-01	1997-11-27

Every Fixed Threshold

Fixed thresholds at Ntywenka (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	69	50	1942	33
25 mm (0.98 in): Days with 25 mm or more rain	69	22	1943	10
50 mm (1.97 in): Days with 50 mm or more rain	60	7	1963	1
100 mm (3.94 in): Days with 100 mm or more rain	4	1	1955	1
200 mm (7.87 in): Days with 200 mm or more rain	1	1	1983	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1924.

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Data for Ntywenka (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 2026-10-15 (15 October 2026). Threshold counts are computed by this site.

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

Ntywenka (Bos) Threshold Days by Year

Key Facts for Ntywenka (Bos) Thresholds

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

Every Fixed Threshold

Download the Data

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