Mannargudi Threshold Days by Year

5 fixed thresholds counted per year at Mannargudi (IN020121200): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Mannargudi Thresholds

Mannargudi: days with 10 mm (0.39 in) or more of precipitation in 69 years, most in 1920 with 48.
Mannargudi: days with 25 mm (0.98 in) or more of precipitation in 69 years, most in 1920 with 29.
Mannargudi: days with 50 mm (1.97 in) or more of precipitation in 69 years, most in 1920 with 13.
Mannargudi: days with 100 mm (3.94 in) or more of precipitation in 38 years, most in 1939 with 4.
5 fixed thresholds have at least one qualifying day at Mannargudi.

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

69 years with a qualifying day

Days per year at Mannargudi with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 48 in 1920.

Days with 10 mm (0.39 in) or more of precipitation per year at Mannargudi
Year	Days	Decade average
1901	28	29
1902	40	29
1903	41	29
1904	25	29
1905	26	29
1906	25	29
1907	27	29
1908	23	29
1909	26	29
1910	21	31.2
1911	31	31.2
1912	23	31.2
1913	35	31.2
1914	34	31.2
1915	34	31.2
1916	26	31.2
1917	40	31.2
1918	33	31.2
1919	35	31.2
1920	48	35
1921	32	35
1922	36	35
1923	31	35
1924	30	35
1925	39	35
1926	27	35
1927	28	35
1928	38	35
1929	41	35
1930	28	28.3
1931	34	28.3
1933	32	28.3
1934	27	28.3
1935	32	28.3
1936	26	28.3
1937	25	28.3
1938	22	28.3
1939	29	28.3
1940	31	31.6
1941	37	31.6
1942	31	31.6
1943	33	31.6
1944	41	31.6
1945	27	31.6
1946	41	31.6
1947	23	31.6
1948	25	31.6
1949	27	31.6
1950	27	28.7
1951	30	28.7
1952	19	28.7
1953	25	28.7
1954	29	28.7
1955	32	28.7
1956	35	28.7
1957	30	28.7
1958	30	28.7
1959	30	28.7
1960	31	34.1
1961	34	34.1
1962	31	34.1
1963	45	34.1
1964	28	34.1
1965	35	34.1
1966	38	34.1
1967	35	34.1
1968	30	34.1
1969	34	34.1
1970	38	38

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

First to last qualifying date each year at Mannargudi
Year	First date	Last date
1901	1901-02-17	1901-12-21
1902	1902-01-03	1902-12-08
1903	1903-01-04	1903-12-31
1904	1904-01-02	1904-12-19
1905	1905-01-06	1905-11-25
1906	1906-01-16	1906-12-27
1907	1907-01-06	1907-12-18
1908	1908-02-23	1908-12-31
1909	1909-01-01	1909-12-30
1910	1910-06-06	1910-11-04
1911	1911-01-16	1911-12-25
1912	1912-01-15	1912-12-19
1913	1913-04-17	1913-12-20
1914	1914-04-04	1914-12-14
1915	1915-02-27	1915-12-28
1916	1916-05-30	1916-12-09
1917	1917-01-11	1917-12-22
1918	1918-01-02	1918-12-19
1919	1919-04-25	1919-12-31
1920	1920-01-01	1920-12-18
1921	1921-01-10	1921-12-30
1922	1922-01-08	1922-12-03
1923	1923-01-10	1923-12-31
1924	1924-01-05	1924-12-17
1925	1925-01-13	1925-12-12
1926	1926-01-25	1926-11-22
1927	1927-01-07	1927-12-24
1928	1928-01-05	1928-12-29
1929	1929-01-10	1929-12-25
1930	1930-01-06	1930-12-25
1931	1931-01-07	1931-12-27
1933	1933-01-28	1933-12-16
1934	1934-01-10	1934-11-28
1935	1935-01-21	1935-12-27
1936	1936-02-28	1936-12-19
1937	1937-01-13	1937-11-30
1938	1938-02-07	1938-12-27
1939	1939-01-10	1939-12-11
1940	1940-04-25	1940-12-12
1941	1941-02-09	1941-12-22
1942	1942-04-03	1942-12-19
1943	1943-01-02	1943-12-28
1944	1944-01-09	1944-12-13
1945	1945-02-24	1945-12-19
1946	1946-03-15	1946-12-31
1947	1947-01-05	1947-11-28
1948	1948-01-01	1948-12-21
1949	1949-05-14	1949-11-28
1950	1950-01-10	1950-12-14
1951	1951-03-31	1951-12-08
1952	1952-01-29	1952-12-07
1953	1953-01-08	1953-12-15
1954	1954-01-06	1954-12-25
1955	1955-01-09	1955-12-08
1956	1956-01-11	1956-12-26
1957	1957-04-29	1957-12-30
1958	1958-04-13	1958-11-21
1959	1959-01-15	1959-12-21
1960	1960-02-26	1960-12-10
1961	1961-01-05	1961-12-11
1962	1962-03-22	1962-12-27
1963	1963-01-07	1963-12-22
1964	1964-06-05	1964-12-27
1965	1965-02-13	1965-12-12
1966	1966-01-22	1966-12-20
1967	1967-03-20	1967-12-14
1968	1968-04-21	1968-12-20
1969	1969-02-19	1969-12-31
1970	1970-01-01	1970-12-28

Every Fixed Threshold

Fixed thresholds at Mannargudi
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	48	1920	38
25 mm (0.98 in): Days with 25 mm or more rain	69	29	1920	20
50 mm (1.97 in): Days with 50 mm or more rain	69	13	1920	9
100 mm (3.94 in): Days with 100 mm or more rain	38	4	1939	2
200 mm (7.87 in): Days with 200 mm or more rain	3	1	1906	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 Mannargudi 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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

Data as of 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Mannargudi Threshold Days by Year

Key Facts for Mannargudi Thresholds

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

Every Fixed Threshold

Download the Data

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