Chatra Threshold Days by Year (IN004060800)

5 fixed thresholds counted per year at Chatra (IN004060800): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Chatra Thresholds

Chatra: days with 10 mm (0.39 in) or more of precipitation in 68 years, most in 1917 with 53.
Chatra: days with 25 mm (0.98 in) or more of precipitation in 68 years, most in 1917 with 27.
Chatra: days with 50 mm (1.97 in) or more of precipitation in 67 years, most in 1923 with 12.
Chatra: days with 100 mm (3.94 in) or more of precipitation in 39 years, most in 1930 with 4.
5 fixed thresholds have at least one qualifying day at Chatra.

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

68 years with a qualifying day

Days per year at Chatra with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 53 in 1917.

Days with 10 mm (0.39 in) or more of precipitation per year at Chatra
Year	Days	Decade average
1901	25	31.6
1902	27	31.6
1903	32	31.6
1904	39	31.6
1905	36	31.6
1906	29	31.6
1907	38	31.6
1908	27	31.6
1909	31	31.6
1910	41	38
1911	45	38
1912	31	38
1913	36	38
1914	36	38
1915	29	38
1916	40	38
1917	53	38
1918	29	38
1919	40	38
1920	41	35.6
1921	20	35.6
1922	33	35.6
1923	44	35.6
1924	43	35.6
1925	38	35.6
1926	38	35.6
1927	26	35.6
1928	30	35.6
1929	43	35.6
1930	37	37
1931	32	37
1932	33	37
1933	42	37
1934	30	37
1935	33	37
1936	52	37
1937	29	37
1938	35	37
1939	47	37
1940	32	38.7
1941	45	38.7
1942	47	38.7
1943	38	38.7
1944	39	38.7
1945	35	38.7
1946	40	38.7
1947	35	38.7
1948	34	38.7
1949	42	38.7
1950	34	35
1951	30	35
1952	45	35
1953	37	35
1954	28	35
1955	33	35
1956	40	35
1957	30	35
1958	33	35
1959	40	35
1960	38	35.4
1961	52	35.4
1964	36	35.4
1965	30	35.4
1966	22	35.4
1967	32	35.4
1968	33	35.4
1969	40	35.4
1970	29	29

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

First to last qualifying date each year at Chatra
Year	First date	Last date
1901	1901-01-01	1901-10-04
1902	1902-06-27	1902-09-26
1903	1903-02-19	1903-10-31
1904	1904-02-18	1904-10-18
1905	1905-01-19	1905-10-02
1906	1906-02-15	1906-10-16
1907	1907-02-01	1907-09-03
1908	1908-02-01	1908-10-02
1909	1909-01-22	1909-09-22
1910	1910-02-19	1910-11-13
1911	1911-03-02	1911-11-26
1912	1912-02-02	1912-11-23
1913	1913-02-16	1913-12-13
1914	1914-02-12	1914-12-12
1915	1915-02-05	1915-11-19
1916	1916-02-17	1916-11-01
1917	1917-02-04	1917-10-31
1918	1918-06-02	1918-09-14
1919	1919-01-23	1919-10-08
1920	1920-02-03	1920-09-28
1921	1921-01-22	1921-09-15
1922	1922-01-02	1922-10-02
1923	1923-02-11	1923-11-01
1924	1924-02-26	1924-11-26
1925	1925-04-24	1925-11-11
1926	1926-01-09	1926-12-17
1927	1927-01-12	1927-11-15
1928	1928-01-24	1928-10-11
1929	1929-01-20	1929-12-24
1930	1930-06-21	1930-11-20
1931	1931-02-04	1931-11-05
1932	1932-02-15	1932-11-05
1933	1933-01-22	1933-10-22
1934	1934-01-13	1934-11-07
1935	1935-01-03	1935-09-23
1936	1936-03-09	1936-10-31
1937	1937-02-12	1937-10-09
1938	1938-01-09	1938-09-26
1939	1939-01-13	1939-10-24
1940	1940-02-06	1940-12-21
1941	1941-01-20	1941-10-12
1942	1942-02-20	1942-09-29
1943	1943-01-08	1943-10-21
1944	1944-02-19	1944-10-19
1945	1945-01-06	1945-10-21
1946	1946-02-25	1946-11-22
1947	1947-02-16	1947-10-13
1948	1948-01-06	1948-11-27
1949	1949-01-27	1949-10-31
1950	1950-06-11	1950-09-23
1951	1951-03-26	1951-10-16
1952	1952-02-22	1952-12-27
1953	1953-01-15	1953-09-27
1954	1954-02-21	1954-09-21
1955	1955-01-22	1955-10-09
1956	1956-01-27	1956-12-29
1957	1957-01-09	1957-09-10
1958	1958-02-13	1958-10-11
1959	1959-01-28	1959-10-22
1960	1960-03-07	1960-09-27
1961	1961-02-01	1961-10-15
1964	1964-02-11	1964-11-19
1965	1965-04-02	1965-09-25
1966	1966-01-03	1966-09-08
1967	1967-06-17	1967-09-27
1968	1968-01-30	1968-10-07
1969	1969-05-02	1969-09-27
1970	1970-01-16	1970-10-08

Every Fixed Threshold

Fixed thresholds at Chatra
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	68	53	1917	29
25 mm (0.98 in): Days with 25 mm or more rain	68	27	1917	12
50 mm (1.97 in): Days with 50 mm or more rain	67	12	1923	3
100 mm (3.94 in): Days with 100 mm or more rain	39	4	1930	2
200 mm (7.87 in): Days with 200 mm or more rain	7	2	1917	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 Chatra 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).

Chatra Threshold Days by Year (IN004060800)

Key Facts for Chatra Thresholds

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

Every Fixed Threshold

Download the Data

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