Ettumanur Threshold Days by Year

5 fixed thresholds counted per year at Ettumanur (IN010040700): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ettumanur Thresholds

Ettumanur: days with 10 mm (0.39 in) or more of precipitation in 63 years, most in 1933 with 156.
Ettumanur: days with 25 mm (0.98 in) or more of precipitation in 59 years, most in 1933 with 81.
Ettumanur: days with 50 mm (1.97 in) or more of precipitation in 57 years, most in 1933 with 30.
Ettumanur: days with 100 mm (3.94 in) or more of precipitation in 41 years, most in 1933 with 9.
5 fixed thresholds have at least one qualifying day at Ettumanur.

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

63 years with a qualifying day

Days per year at Ettumanur with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 156 in 1933.

Days with 10 mm (0.39 in) or more of precipitation per year at Ettumanur
Year	Days	Decade average
1901	92	86.8
1902	100	86.8
1903	105	86.8
1904	86	86.8
1905	75	86.8
1906	79	86.8
1907	96	86.8
1908	73	86.8
1909	75	86.8
1910	85	82.6
1911	78	82.6
1912	74	82.6
1913	78	82.6
1914	74	82.6
1915	79	82.6
1916	76	82.6
1917	95	82.6
1918	85	82.6
1919	102	82.6
1920	109	99.1
1921	90	99.1
1922	116	99.1
1923	107	99.1
1924	93	99.1
1925	93	99.1
1926	95	99.1
1927	90	99.1
1928	89	99.1
1929	109	99.1
1930	79	94.9
1931	96	94.9
1932	105	94.9
1933	156	94.9
1934	83	94.9
1935	81	94.9
1936	91	94.9
1937	82	94.9
1938	87	94.9
1939	89	94.9
1940	101	90.4
1941	48	90.4
1942	98	90.4
1943	110	90.4
1944	91	90.4
1945	90	90.4
1947	83	90.4
1948	97	90.4
1949	96	90.4
1950	73	56.4
1951	53	56.4
1952	74	56.4
1953	47	56.4
1954	25	56.4
1955	55	56.4
1956	61	56.4
1957	46	56.4
1958	37	56.4
1959	93	56.4
1960	64	56.6
1961	63	56.6
1962	66	56.6
1964	74	56.6
1965	16	56.6

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

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

Every Fixed Threshold

Fixed thresholds at Ettumanur
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	63	156	1933	16
25 mm (0.98 in): Days with 25 mm or more rain	59	81	1933	14
50 mm (1.97 in): Days with 50 mm or more rain	57	30	1933	8
100 mm (3.94 in): Days with 100 mm or more rain	41	9	1933	6
200 mm (7.87 in): Days with 200 mm or more rain	3	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 Ettumanur 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).

Ettumanur Threshold Days by Year

Key Facts for Ettumanur Thresholds

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

Every Fixed Threshold

Download the Data

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