Ambasamudram Threshold Days by Year (IN020140400)

5 fixed thresholds counted per year at Ambasamudram (IN020140400): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ambasamudram Thresholds

Ambasamudram: days with 10 mm (0.39 in) or more of precipitation in 70 years, most in 1936 with 44.
Ambasamudram: days with 25 mm (0.98 in) or more of precipitation in 70 years, most in 1902 with 19.
Ambasamudram: days with 50 mm (1.97 in) or more of precipitation in 67 years, most in 1914 with 9.
Ambasamudram: days with 100 mm (3.94 in) or more of precipitation in 33 years, most in 1922 with 3.
5 fixed thresholds have at least one qualifying day at Ambasamudram.

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

70 years with a qualifying day

Days per year at Ambasamudram with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 44 in 1936.

Days with 10 mm (0.39 in) or more of precipitation per year at Ambasamudram
Year	Days	Decade average
1901	30	23.2
1902	41	23.2
1903	19	23.2
1904	14	23.2
1905	21	23.2
1906	27	23.2
1907	25	23.2
1908	16	23.2
1909	16	23.2
1910	18	24.9
1911	23	24.9
1912	25	24.9
1913	26	24.9
1914	35	24.9
1915	22	24.9
1916	14	24.9
1917	24	24.9
1918	35	24.9
1919	27	24.9
1920	31	29.2
1921	26	29.2
1922	25	29.2
1923	29	29.2
1924	26	29.2
1925	40	29.2
1926	23	29.2
1927	25	29.2
1928	28	29.2
1929	39	29.2
1930	31	28.2
1931	24	28.2
1932	33	28.2
1933	20	28.2
1934	28	28.2
1935	32	28.2
1936	44	28.2
1937	20	28.2
1938	34	28.2
1939	16	28.2
1940	31	29.3
1941	32	29.3
1942	23	29.3
1943	33	29.3
1944	30	29.3
1945	28	29.3
1946	39	29.3
1947	28	29.3
1948	28	29.3
1949	21	29.3
1950	25	24.8
1951	33	24.8
1952	18	24.8
1953	29	24.8
1954	26	24.8
1955	26	24.8
1956	15	24.8
1957	30	24.8
1958	29	24.8
1959	17	24.8
1960	33	27.6
1961	31	27.6
1962	24	27.6
1963	36	27.6
1964	26	27.6
1965	26	27.6
1966	22	27.6
1967	21	27.6
1968	28	27.6
1969	29	27.6
1970	17	17

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

First to last qualifying date each year at Ambasamudram
Year	First date	Last date
1901	1901-01-08	1901-12-28
1902	1902-01-03	1902-12-26
1903	1903-01-03	1903-12-21
1904	1904-01-03	1904-12-18
1905	1905-02-24	1905-11-25
1906	1906-01-19	1906-12-21
1907	1907-01-06	1907-12-21
1908	1908-01-02	1908-11-10
1909	1909-01-20	1909-12-30
1910	1910-01-06	1910-11-26
1911	1911-05-02	1911-12-26
1912	1912-01-15	1912-12-20
1913	1913-01-18	1913-12-21
1914	1914-01-03	1914-12-14
1915	1915-01-22	1915-12-29
1916	1916-03-08	1916-12-04
1917	1917-02-01	1917-12-15
1918	1918-01-03	1918-12-20
1919	1919-01-05	1919-12-20
1920	1920-01-01	1920-11-24
1921	1921-01-13	1921-12-31
1922	1922-01-10	1922-12-03
1923	1923-01-11	1923-12-17
1924	1924-01-07	1924-12-08
1925	1925-01-12	1925-12-29
1926	1926-01-08	1926-12-18
1927	1927-01-08	1927-12-19
1928	1928-01-05	1928-12-30
1929	1929-01-10	1929-12-27
1930	1930-01-08	1930-12-26
1931	1931-01-07	1931-12-28
1932	1932-02-22	1932-12-16
1933	1933-02-06	1933-12-27
1934	1934-01-09	1934-12-13
1935	1935-01-09	1935-12-28
1936	1936-02-03	1936-12-23
1937	1937-02-21	1937-12-24
1938	1938-02-02	1938-12-28
1939	1939-01-12	1939-11-15
1940	1940-03-25	1940-12-18
1941	1941-01-03	1941-12-18
1942	1942-03-02	1942-12-24
1943	1943-01-03	1943-12-23
1944	1944-01-11	1944-12-23
1945	1945-02-25	1945-11-21
1946	1946-01-20	1946-12-30
1947	1947-01-05	1947-12-22
1948	1948-01-31	1948-12-29
1949	1949-01-11	1949-12-05
1950	1950-02-20	1950-12-23
1951	1951-01-15	1951-11-30
1952	1952-01-03	1952-12-14
1953	1953-01-12	1953-12-29
1954	1954-01-06	1954-12-26
1955	1955-01-09	1955-12-07
1956	1956-01-12	1956-12-28
1957	1957-01-19	1957-12-31
1958	1958-01-03	1958-12-19
1959	1959-01-15	1959-12-31
1960	1960-02-23	1960-12-12
1961	1961-01-06	1961-12-31
1962	1962-01-29	1962-12-06
1963	1963-01-07	1963-12-28
1964	1964-01-24	1964-12-26
1965	1965-02-15	1965-12-20
1966	1966-01-16	1966-12-22
1967	1967-01-17	1967-12-14
1968	1968-01-16	1968-12-20
1969	1969-02-09	1969-12-31
1970	1970-01-02	1970-12-28

Every Fixed Threshold

Fixed thresholds at Ambasamudram
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	70	44	1936	17
25 mm (0.98 in): Days with 25 mm or more rain	70	19	1902	11
50 mm (1.97 in): Days with 50 mm or more rain	67	9	1914	2
100 mm (3.94 in): Days with 100 mm or more rain	33	3	1922	1
200 mm (7.87 in): Days with 200 mm or more rain	3	1	1923	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.

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Data for Ambasamudram 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).

Ambasamudram Threshold Days by Year (IN020140400)

Key Facts for Ambasamudram Thresholds

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

Every Fixed Threshold

Download the Data

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