Tiruvadanai Threshold Days by Year (IN020100301)

4 fixed thresholds counted per year at Tiruvadanai (IN020100301): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Tiruvadanai Thresholds

Tiruvadanai: days with 10 mm (0.39 in) or more of precipitation in 67 years, most in 1922 with 35.
Tiruvadanai: days with 25 mm (0.98 in) or more of precipitation in 67 years, most in 1924 with 23.
Tiruvadanai: days with 50 mm (1.97 in) or more of precipitation in 64 years, most in 1923 with 9.
Tiruvadanai: days with 100 mm (3.94 in) or more of precipitation in 18 years, most in 1923 with 3.
4 fixed thresholds have at least one qualifying day at Tiruvadanai.

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

67 years with a qualifying day

Days per year at Tiruvadanai with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 35 in 1922.

Days with 10 mm (0.39 in) or more of precipitation per year at Tiruvadanai
Year	Days	Decade average
1901	15	19.4
1902	31	19.4
1903	23	19.4
1904	17	19.4
1905	19	19.4
1906	25	19.4
1907	12	19.4
1908	18	19.4
1909	15	19.4
1910	30	22.9
1911	18	22.9
1912	22	22.9
1913	14	22.9
1914	28	22.9
1915	24	22.9
1916	16	22.9
1917	25	22.9
1918	23	22.9
1919	29	22.9
1920	29	28.3
1921	21	28.3
1922	35	28.3
1923	28	28.3
1924	33	28.3
1925	35	28.3
1926	24	28.3
1927	29	28.3
1928	20	28.3
1929	29	28.3
1930	27	25.2
1931	29	25.2
1932	31	25.2
1933	26	25.2
1934	19	25.2
1935	25	25.2
1936	23	25.2
1937	21	25.2
1938	21	25.2
1939	30	25.2
1940	29	25
1941	23	25
1944	24	25
1945	20	25
1946	33	25
1947	26	25
1948	20	25
1950	13	21.6
1951	30	21.6
1952	18	21.6
1953	29	21.6
1954	26	21.6
1955	21	21.6
1956	16	21.6
1957	24	21.6
1958	16	21.6
1959	23	21.6
1960	26	23.9
1961	23	23.9
1962	25	23.9
1963	28	23.9
1964	17	23.9
1965	21	23.9
1966	30	23.9
1967	27	23.9
1968	16	23.9
1969	26	23.9
1970	28	28

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

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

Every Fixed Threshold

Fixed thresholds at Tiruvadanai
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	67	35	1922	28
25 mm (0.98 in): Days with 25 mm or more rain	67	23	1924	10
50 mm (1.97 in): Days with 50 mm or more rain	64	9	1923	3
100 mm (3.94 in): Days with 100 mm or more rain	18	3	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.

Download the Data

Data for Tiruvadanai 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).

Tiruvadanai Threshold Days by Year (IN020100301)

Key Facts for Tiruvadanai Thresholds

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

Every Fixed Threshold

Download the Data

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