Perumbalur Threshold Days by Year (IN020130501)

5 fixed thresholds counted per year at Perumbalur (IN020130501): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Perumbalur Thresholds

Perumbalur: days with 10 mm (0.39 in) or more of precipitation in 69 years, most in 1902 with 42.
Perumbalur: days with 25 mm (0.98 in) or more of precipitation in 69 years, most in 1966 with 22.
Perumbalur: days with 50 mm (1.97 in) or more of precipitation in 69 years, most in 1930 with 11.
Perumbalur: days with 100 mm (3.94 in) or more of precipitation in 20 years, most in 1920 with 3.
5 fixed thresholds have at least one qualifying day at Perumbalur.

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

69 years with a qualifying day

Days per year at Perumbalur with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 42 in 1902.

Days with 10 mm (0.39 in) or more of precipitation per year at Perumbalur
Year	Days	Decade average
1901	27	30.2
1902	42	30.2
1903	40	30.2
1904	24	30.2
1905	29	30.2
1906	32	30.2
1907	25	30.2
1908	27	30.2
1909	26	30.2
1910	23	28.7
1911	26	28.7
1912	25	28.7
1913	30	28.7
1914	36	28.7
1915	27	28.7
1916	28	28.7
1917	28	28.7
1918	34	28.7
1919	30	28.7
1920	40	27.9
1921	26	27.9
1922	27	27.9
1923	29	27.9
1924	24	27.9
1925	24	27.9
1926	22	27.9
1927	22	27.9
1928	31	27.9
1929	34	27.9
1930	38	28.3
1931	30	28.3
1932	31	28.3
1933	22	28.3
1934	29	28.3
1935	24	28.3
1936	24	28.3
1937	29	28.3
1938	22	28.3
1939	34	28.3
1940	32	27.8
1941	26	27.8
1942	21	27.8
1943	36	27.8
1944	33	27.8
1945	23	27.8
1946	27	27.8
1947	25	27.8
1948	27	27.8
1949	28	27.8
1950	32	26.3
1951	27	26.3
1952	16	26.3
1953	31	26.3
1954	30	26.3
1955	25	26.3
1956	34	26.3
1957	23	26.3
1958	19	26.3
1959	26	26.3
1960	29	28.4
1961	25	28.4
1962	19	28.4
1963	26	28.4
1964	26	28.4
1966	42	28.4
1967	26	28.4
1968	32	28.4
1969	31	28.4
1970	23	23

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

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

Every Fixed Threshold

Fixed thresholds at Perumbalur
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	1902	23
25 mm (0.98 in): Days with 25 mm or more rain	69	22	1966	10
50 mm (1.97 in): Days with 50 mm or more rain	69	11	1930	3
100 mm (3.94 in): Days with 100 mm or more rain	20	3	1920	1
200 mm (7.87 in): Days with 200 mm or more rain	2	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 Perumbalur 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).

Perumbalur Threshold Days by Year (IN020130501)

Key Facts for Perumbalur Thresholds

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

Every Fixed Threshold

Download the Data

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