Bironkhol Threshold Days by Year (IN023230501)

5 fixed thresholds counted per year at Bironkhol (IN023230501): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Bironkhol Thresholds

Bironkhol: days with 10 mm (0.39 in) or more of precipitation in 64 years, most in 1917 with 60.
Bironkhol: days with 25 mm (0.98 in) or more of precipitation in 64 years, most in 1915 with 27.
Bironkhol: days with 50 mm (1.97 in) or more of precipitation in 63 years, most in 1910 with 10.
Bironkhol: days with 100 mm (3.94 in) or more of precipitation in 29 years, most in 1910 with 3.
5 fixed thresholds have at least one qualifying day at Bironkhol.

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

64 years with a qualifying day

Days per year at Bironkhol with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 60 in 1917.

Days with 10 mm (0.39 in) or more of precipitation per year at Bironkhol
Year	Days	Decade average
1901	38	35
1902	33	35
1904	36	35
1905	26	35
1906	49	35
1907	27	35
1908	27	35
1909	44	35
1910	49	43.5
1911	34	43.5
1912	43	43.5
1913	33	43.5
1914	39	43.5
1915	51	43.5
1916	42	43.5
1917	60	43.5
1918	39	43.5
1919	45	43.5
1920	24	33.5
1921	34	33.5
1922	41	33.5
1923	33	33.5
1924	36	33.5
1925	35	33.5
1926	27	33.5
1927	33	33.5
1928	32	33.5
1929	40	33.5
1930	38	39.9
1931	39	39.9
1932	37	39.9
1933	40	39.9
1934	42	39.9
1935	39	39.9
1936	51	39.9
1937	40	39.9
1938	44	39.9
1939	29	39.9
1940	38	35
1941	30	35
1942	44	35
1943	32	35
1944	28	35
1945	38	35
1946	44	35
1947	29	35
1948	33	35
1949	34	35
1950	51	40.2
1951	37	40.2
1952	39	40.2
1953	31	40.2
1954	41	40.2
1955	47	40.2
1956	39	40.2
1958	37	40.2
1959	40	40.2
1960	41	39.9
1961	52	39.9
1962	33	39.9
1963	44	39.9
1964	40	39.9
1967	36	39.9
1968	33	39.9

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

First to last qualifying date each year at Bironkhol
Year	First date	Last date
1901	1901-01-01	1901-12-27
1902	1902-02-21	1902-10-20
1904	1904-01-15	1904-12-18
1905	1905-01-04	1905-12-21
1906	1906-01-09	1906-12-19
1907	1907-01-10	1907-08-20
1908	1908-01-12	1908-08-28
1909	1909-01-10	1909-12-26
1910	1910-01-16	1910-10-03
1911	1911-01-02	1911-11-18
1912	1912-01-09	1912-12-07
1913	1913-02-09	1913-12-12
1914	1914-02-15	1914-09-20
1915	1915-01-08	1915-12-16
1916	1916-02-14	1916-10-14
1917	1917-02-05	1917-12-20
1918	1918-03-17	1918-11-30
1919	1919-01-19	1919-12-29
1920	1920-02-04	1920-10-27
1921	1921-01-13	1921-10-17
1922	1922-01-01	1922-12-24
1923	1923-01-23	1923-12-04
1924	1924-01-06	1924-12-10
1925	1925-01-17	1925-11-05
1926	1926-03-01	1926-09-03
1927	1927-02-04	1927-10-07
1928	1928-01-24	1928-12-29
1929	1929-01-23	1929-12-21
1930	1930-01-13	1930-12-29
1931	1931-02-01	1931-10-17
1932	1932-02-15	1932-12-25
1933	1933-01-23	1933-10-22
1934	1934-01-02	1934-12-19
1935	1935-01-01	1935-11-08
1936	1936-02-07	1936-12-19
1937	1937-02-08	1937-12-21
1938	1938-01-02	1938-10-06
1939	1939-01-21	1939-09-04
1940	1940-01-18	1940-12-11
1941	1941-01-03	1941-09-09
1942	1942-01-15	1942-12-16
1943	1943-01-05	1943-09-08
1944	1944-01-21	1944-10-04
1945	1945-01-02	1945-10-28
1946	1946-02-23	1946-12-28
1947	1947-01-04	1947-09-24
1948	1948-02-03	1948-09-09
1949	1949-02-02	1949-12-09
1950	1950-01-02	1950-09-19
1951	1951-01-16	1951-11-25
1952	1952-01-02	1952-12-31
1953	1953-01-01	1953-09-28
1954	1954-01-01	1954-10-02
1955	1955-01-23	1955-10-14
1956	1956-01-08	1956-10-13
1958	1958-01-29	1958-12-28
1959	1959-01-05	1959-11-07
1960	1960-01-13	1960-12-31
1961	1961-01-01	1961-12-19
1962	1962-01-22	1962-12-06
1963	1963-02-17	1963-12-14
1964	1964-01-08	1964-12-10
1967	1967-02-19	1967-12-26
1968	1968-01-06	1968-09-20

Every Fixed Threshold

Fixed thresholds at Bironkhol
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	64	60	1917	33
25 mm (0.98 in): Days with 25 mm or more rain	64	27	1915	4
50 mm (1.97 in): Days with 50 mm or more rain	63	10	1910	2
100 mm (3.94 in): Days with 100 mm or more rain	29	3	1910	1
200 mm (7.87 in): Days with 200 mm or more rain	4	1	1910	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1901.

Download the Data

Data for Bironkhol 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).

Bironkhol Threshold Days by Year (IN023230501)

Key Facts for Bironkhol Thresholds

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

Every Fixed Threshold

Download the Data

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