Chimur Threshold Days by Year (IN012090500)

5 fixed thresholds counted per year at Chimur (IN012090500): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Chimur Thresholds

Chimur: days with 10 mm (0.39 in) or more of precipitation in 65 years, most in 1961 with 59.
Chimur: days with 25 mm (0.98 in) or more of precipitation in 65 years, most in 1970 with 32.
Chimur: days with 50 mm (1.97 in) or more of precipitation in 65 years, most in 1970 with 19.
Chimur: days with 100 mm (3.94 in) or more of precipitation in 47 years, most in 1936 with 5.
5 fixed thresholds have at least one qualifying day at Chimur.

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

65 years with a qualifying day

Days per year at Chimur with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 59 in 1961.

Days with 10 mm (0.39 in) or more of precipitation per year at Chimur
Year	Days	Decade average
1902	22	33.6
1903	37	33.6
1904	30	33.6
1905	30	33.6
1906	35	33.6
1907	37	33.6
1908	42	33.6
1909	36	33.6
1910	37	34.1
1911	28	34.1
1912	29	34.1
1913	32	34.1
1914	35	34.1
1915	32	34.1
1916	39	34.1
1917	38	34.1
1918	26	34.1
1919	45	34.1
1920	23	28.9
1921	26	28.9
1923	29	28.9
1924	32	28.9
1925	31	28.9
1926	26	28.9
1927	31	28.9
1928	32	28.9
1929	30	28.9
1930	30	37.4
1931	44	37.4
1932	29	37.4
1933	48	37.4
1934	38	37.4
1935	32	37.4
1936	41	37.4
1937	43	37.4
1938	38	37.4
1939	31	37.4
1940	32	37
1941	20	37
1942	44	37
1943	32	37
1944	38	37
1945	39	37
1946	37	37
1947	45	37
1948	35	37
1949	48	37
1950	29	34.8
1951	30	34.8
1952	24	34.8
1953	40	34.8
1954	32	34.8
1955	46	34.8
1957	37	34.8
1958	31	34.8
1959	44	34.8
1960	34	43.8
1961	59	43.8
1964	40	43.8
1965	32	43.8
1966	44	43.8
1967	49	43.8
1968	52	43.8
1969	40	43.8
1970	49	49

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

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

Every Fixed Threshold

Fixed thresholds at Chimur
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	59	1961	49
25 mm (0.98 in): Days with 25 mm or more rain	65	32	1970	32
50 mm (1.97 in): Days with 50 mm or more rain	65	19	1970	19
100 mm (3.94 in): Days with 100 mm or more rain	47	5	1936	5
200 mm (7.87 in): Days with 200 mm or more rain	6	1	1911	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 Chimur 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).

Chimur Threshold Days by Year (IN012090500)

Key Facts for Chimur Thresholds

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

Every Fixed Threshold

Download the Data

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