Coimbatore Threshold Days by Year (IN020032400)

4 fixed thresholds counted per year at Coimbatore (IN020032400): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Coimbatore Thresholds

Coimbatore: days with 10 mm (0.39 in) or more of precipitation in 69 years, most in 1924 with 29.
Coimbatore: days with 25 mm (0.98 in) or more of precipitation in 69 years, most in 1930 with 16.
Coimbatore: days with 50 mm (1.97 in) or more of precipitation in 47 years, most in 1924 with 6.
Coimbatore: days with 100 mm (3.94 in) or more of precipitation in 5 years, most in 1924 with 1.
4 fixed thresholds have at least one qualifying day at Coimbatore.

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

69 years with a qualifying day

Days per year at Coimbatore with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 29 in 1924.

Days with 10 mm (0.39 in) or more of precipitation per year at Coimbatore
Year	Days	Decade average
1901	18	17.1
1902	25	17.1
1903	14	17.1
1904	12	17.1
1905	12	17.1
1906	22	17.1
1907	18	17.1
1908	15	17.1
1909	18	17.1
1910	13	15.5
1911	16	15.5
1912	17	15.5
1913	12	15.5
1914	11	15.5
1915	17	15.5
1916	21	15.5
1917	12	15.5
1918	18	15.5
1919	18	15.5
1920	17	18.8
1921	20	18.8
1922	17	18.8
1923	13	18.8
1924	29	18.8
1925	26	18.8
1926	20	18.8
1927	17	18.8
1928	9	18.8
1929	20	18.8
1930	24	15.9
1931	17	15.9
1933	21	15.9
1934	13	15.9
1935	9	15.9
1936	17	15.9
1937	18	15.9
1938	8	15.9
1939	16	15.9
1940	28	19.4
1941	20	19.4
1942	11	19.4
1943	23	19.4
1944	24	19.4
1945	21	19.4
1946	25	19.4
1947	12	19.4
1948	16	19.4
1949	14	19.4
1950	14	19
1951	22	19
1952	6	19
1953	28	19
1954	22	19
1955	17	19
1956	16	19
1957	21	19
1958	19	19
1959	25	19
1960	18	17.9
1961	25	17.9
1962	25	17.9
1963	18	17.9
1964	23	17.9
1965	11	17.9
1966	18	17.9
1967	11	17.9
1968	13	17.9
1969	17	17.9
1970	14	14

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

First to last qualifying date each year at Coimbatore
Year	First date	Last date
1901	1901-01-12	1901-12-02
1902	1902-01-05	1902-12-06
1903	1903-04-23	1903-11-13
1904	1904-01-02	1904-10-27
1905	1905-04-29	1905-10-15
1906	1906-03-21	1906-12-29
1907	1907-01-10	1907-12-14
1908	1908-01-16	1908-11-01
1909	1909-01-01	1909-11-27
1910	1910-04-12	1910-11-13
1911	1911-03-16	1911-12-15
1912	1912-06-05	1912-11-22
1913	1913-04-17	1913-12-04
1914	1914-05-14	1914-12-06
1915	1915-01-19	1915-11-29
1916	1916-04-20	1916-11-29
1917	1917-02-01	1917-11-21
1918	1918-01-03	1918-12-01
1919	1919-01-29	1919-12-07
1920	1920-01-03	1920-11-24
1921	1921-01-13	1921-11-05
1922	1922-01-10	1922-12-02
1923	1923-01-12	1923-12-17
1924	1924-03-22	1924-12-02
1925	1925-03-17	1925-12-12
1926	1926-01-27	1926-12-09
1927	1927-04-27	1927-11-10
1928	1928-04-02	1928-12-28
1929	1929-03-22	1929-11-14
1930	1930-04-20	1930-12-02
1931	1931-04-08	1931-12-25
1933	1933-04-11	1933-12-16
1934	1934-01-26	1934-12-06
1935	1935-04-24	1935-11-16
1936	1936-02-10	1936-11-21
1937	1937-03-19	1937-11-21
1938	1938-04-04	1938-12-27
1939	1939-01-12	1939-11-17
1940	1940-04-25	1940-12-12
1941	1941-01-08	1941-12-03
1942	1942-04-24	1942-12-17
1943	1943-01-03	1943-11-22
1944	1944-01-10	1944-12-13
1945	1945-04-25	1945-11-14
1946	1946-01-21	1946-12-08
1947	1947-04-03	1947-11-12
1948	1948-01-18	1948-12-21
1949	1949-04-02	1949-11-18
1950	1950-02-21	1950-11-15
1951	1951-04-02	1951-11-09
1952	1952-03-16	1952-12-01
1953	1953-04-04	1953-11-27
1954	1954-01-05	1954-12-15
1955	1955-04-21	1955-12-02
1956	1956-04-30	1956-11-23
1957	1957-05-22	1957-12-30
1958	1958-04-14	1958-11-27
1959	1959-05-16	1959-12-12
1960	1960-04-06	1960-11-25
1961	1961-01-06	1961-12-05
1962	1962-01-30	1962-12-04
1963	1963-03-26	1963-12-22
1964	1964-05-07	1964-12-25
1965	1965-04-05	1965-12-09
1966	1966-01-15	1966-12-07
1967	1967-01-12	1967-11-05
1968	1968-03-18	1968-12-20
1969	1969-07-23	1969-12-17
1970	1970-04-26	1970-11-24

Every Fixed Threshold

Fixed thresholds at Coimbatore
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	29	1924	14
25 mm (0.98 in): Days with 25 mm or more rain	69	16	1930	4
50 mm (1.97 in): Days with 50 mm or more rain	47	6	1924	3
100 mm (3.94 in): Days with 100 mm or more rain	5	1	1924	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 Coimbatore 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).

Coimbatore Threshold Days by Year (IN020032400)

Key Facts for Coimbatore Thresholds

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

Every Fixed Threshold

Download the Data

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