Chattarpur Threshold Days by Year (IN004091300)

5 fixed thresholds counted per year at Chattarpur (IN004091300): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Chattarpur Thresholds

Chattarpur: days with 10 mm (0.39 in) or more of precipitation in 65 years, most in 1964 with 49.
Chattarpur: days with 25 mm (0.98 in) or more of precipitation in 65 years, most in 1964 with 23.
Chattarpur: days with 50 mm (1.97 in) or more of precipitation in 63 years, most in 1924 with 11.
Chattarpur: days with 100 mm (3.94 in) or more of precipitation in 31 years, most in 1907 with 3.
5 fixed thresholds have at least one qualifying day at Chattarpur.

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

65 years with a qualifying day

Days per year at Chattarpur with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 49 in 1964.

Days with 10 mm (0.39 in) or more of precipitation per year at Chattarpur
Year	Days	Decade average
1902	39	34.1
1903	26	34.1
1904	37	34.1
1905	38	34.1
1906	39	34.1
1907	34	34.1
1908	20	34.1
1909	40	34.1
1910	35	37.7
1911	38	37.7
1913	36	37.7
1914	33	37.7
1915	36	37.7
1916	38	37.7
1917	45	37.7
1918	40	37.7
1919	38	37.7
1920	34	37.5
1921	31	37.5
1922	37	37.5
1923	41	37.5
1924	35	37.5
1925	32	37.5
1926	42	37.5
1927	44	37.5
1928	39	37.5
1929	40	37.5
1930	37	36.8
1931	41	36.8
1932	34	36.8
1933	39	36.8
1934	33	36.8
1935	31	36.8
1936	42	36.8
1937	31	36.8
1938	39	36.8
1939	41	36.8
1940	27	33.4
1941	34	33.4
1942	44	33.4
1943	35	33.4
1944	40	33.4
1945	32	33.4
1946	40	33.4
1947	16	33.4
1949	33	33.4
1950	32	31.2
1951	20	31.2
1952	29	31.2
1953	29	31.2
1954	26	31.2
1955	30	31.2
1956	37	31.2
1957	34	31.2
1958	43	31.2
1959	32	31.2
1960	34	31.9
1961	42	31.9
1962	29	31.9
1964	49	31.9
1965	28	31.9
1966	16	31.9
1968	30	31.9
1969	27	31.9
1970	36	36

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

First to last qualifying date each year at Chattarpur
Year	First date	Last date
1902	1902-02-20	1902-09-26
1903	1903-06-12	1903-10-31
1904	1904-02-18	1904-10-19
1905	1905-01-20	1905-10-02
1906	1906-01-22	1906-10-31
1907	1907-02-04	1907-09-05
1908	1908-02-04	1908-08-26
1909	1909-01-19	1909-09-30
1910	1910-04-30	1910-11-13
1911	1911-03-13	1911-11-25
1913	1913-02-01	1913-12-13
1914	1914-02-18	1914-09-26
1915	1915-01-29	1915-11-19
1916	1916-02-17	1916-10-29
1917	1917-02-05	1917-10-31
1918	1918-06-03	1918-09-14
1919	1919-01-23	1919-10-03
1920	1920-02-03	1920-09-11
1921	1921-01-22	1921-09-24
1922	1922-04-11	1922-09-23
1923	1923-02-11	1923-09-29
1924	1924-02-26	1924-11-08
1925	1925-05-28	1925-11-10
1926	1926-01-09	1926-12-16
1927	1927-01-11	1927-11-16
1928	1928-01-23	1928-10-07
1929	1929-01-20	1929-12-26
1930	1930-06-16	1930-12-29
1931	1931-02-02	1931-11-05
1932	1932-02-19	1932-11-04
1933	1933-01-21	1933-10-22
1934	1934-01-13	1934-11-07
1935	1935-01-03	1935-09-22
1936	1936-03-09	1936-10-31
1937	1937-02-12	1937-10-05
1938	1938-01-09	1938-10-10
1939	1939-01-25	1939-10-23
1940	1940-02-04	1940-12-22
1941	1941-01-20	1941-10-10
1942	1942-01-18	1942-09-29
1943	1943-01-07	1943-10-21
1944	1944-01-14	1944-10-04
1945	1945-01-06	1945-10-02
1946	1946-02-24	1946-11-21
1947	1947-02-15	1947-10-05
1949	1949-01-27	1949-10-31
1950	1950-06-08	1950-09-14
1951	1951-01-20	1951-10-16
1952	1952-02-10	1952-09-23
1953	1953-01-16	1953-10-02
1954	1954-02-26	1954-10-01
1955	1955-01-23	1955-10-04
1956	1956-01-28	1956-12-30
1957	1957-01-09	1957-09-15
1958	1958-01-29	1958-10-21
1959	1959-01-29	1959-10-20
1960	1960-03-07	1960-10-02
1961	1961-01-31	1961-10-15
1962	1962-06-13	1962-09-23
1964	1964-01-22	1964-11-18
1965	1965-03-31	1965-12-14
1966	1966-01-03	1966-09-03
1968	1968-06-10	1968-10-11
1969	1969-05-20	1969-09-17
1970	1970-01-21	1970-10-06

Every Fixed Threshold

Fixed thresholds at Chattarpur
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	65	49	1964	36
25 mm (0.98 in): Days with 25 mm or more rain	65	23	1964	12
50 mm (1.97 in): Days with 50 mm or more rain	63	11	1924	5
100 mm (3.94 in): Days with 100 mm or more rain	31	3	1907	1
200 mm (7.87 in): Days with 200 mm or more rain	8	1	1907	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1902.

Download the Data

Data for Chattarpur 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).

Chattarpur Threshold Days by Year (IN004091300)

Key Facts for Chattarpur Thresholds

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

Every Fixed Threshold

Download the Data

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