Pattukkottai Threshold Days by Year (IN020121800)

5 fixed thresholds counted per year at Pattukkottai (IN020121800): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Pattukkottai Thresholds

Pattukkottai: days with 10 mm (0.39 in) or more of precipitation in 69 years, most in 1963 with 42.
Pattukkottai: days with 25 mm (0.98 in) or more of precipitation in 69 years, most in 1954 with 24.
Pattukkottai: days with 50 mm (1.97 in) or more of precipitation in 66 years, most in 1903 with 8.
Pattukkottai: days with 100 mm (3.94 in) or more of precipitation in 35 years, most in 1920 with 3.
5 fixed thresholds have at least one qualifying day at Pattukkottai.

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

69 years with a qualifying day

Days per year at Pattukkottai with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 42 in 1963.

Days with 10 mm (0.39 in) or more of precipitation per year at Pattukkottai
Year	Days	Decade average
1901	29	28.3
1902	39	28.3
1903	38	28.3
1904	22	28.3
1905	25	28.3
1906	31	28.3
1907	27	28.3
1908	20	28.3
1909	24	28.3
1910	24	29.7
1911	28	29.7
1912	27	29.7
1913	21	29.7
1914	34	29.7
1915	25	29.7
1916	32	29.7
1917	36	29.7
1918	34	29.7
1919	36	29.7
1920	41	31.5
1921	39	31.5
1922	33	31.5
1923	33	31.5
1924	22	31.5
1925	34	31.5
1926	27	31.5
1927	18	31.5
1928	34	31.5
1929	34	31.5
1930	35	32.1
1931	36	32.1
1932	39	32.1
1933	26	32.1
1934	32	32.1
1935	29	32.1
1936	36	32.1
1937	27	32.1
1938	27	32.1
1939	34	32.1
1940	35	31.7
1941	39	31.7
1942	33	31.7
1943	30	31.7
1944	30	31.7
1945	25	31.7
1946	39	31.7
1947	37	31.7
1948	23	31.7
1949	26	31.7
1950	25	29
1951	22	29
1952	25	29
1953	22	29
1954	36	29
1955	32	29
1956	31	29
1957	40	29
1958	23	29
1959	34	29
1960	34	34
1961	34	34
1963	42	34
1964	21	34
1965	33	34
1966	40	34
1967	40	34
1968	35	34
1969	27	34
1970	33	33

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

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

Every Fixed Threshold

Fixed thresholds at Pattukkottai
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	42	1963	33
25 mm (0.98 in): Days with 25 mm or more rain	69	24	1954	13
50 mm (1.97 in): Days with 50 mm or more rain	66	8	1903	3
100 mm (3.94 in): Days with 100 mm or more rain	35	3	1920	1
200 mm (7.87 in): Days with 200 mm or more rain	3	1	1925	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 Pattukkottai 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).

Pattukkottai Threshold Days by Year (IN020121800)

Key Facts for Pattukkottai Thresholds

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

Every Fixed Threshold

Download the Data

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