Perundurai Threshold Days by Year

4 fixed thresholds counted per year at Perundurai (IN020030800): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Perundurai Thresholds

Perundurai: days with 10 mm (0.39 in) or more of precipitation in 70 years, most in 1944 with 37.
Perundurai: days with 25 mm (0.98 in) or more of precipitation in 70 years, most in 1940 with 19.
Perundurai: days with 50 mm (1.97 in) or more of precipitation in 61 years, most in 1930 with 7.
Perundurai: days with 100 mm (3.94 in) or more of precipitation in 12 years, most in 1901 with 1.
4 fixed thresholds have at least one qualifying day at Perundurai.

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

70 years with a qualifying day

Days per year at Perundurai with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 37 in 1944.

Days with 10 mm (0.39 in) or more of precipitation per year at Perundurai
Year	Days	Decade average
1901	25	23.8
1902	26	23.8
1903	29	23.8
1904	12	23.8
1905	21	23.8
1906	24	23.8
1907	23	23.8
1908	27	23.8
1909	27	23.8
1910	23	21.1
1911	16	21.1
1912	22	21.1
1913	15	21.1
1914	11	21.1
1915	22	21.1
1916	26	21.1
1917	27	21.1
1918	25	21.1
1919	24	21.1
1920	28	22.5
1921	27	22.5
1922	28	22.5
1923	7	22.5
1924	25	22.5
1925	24	22.5
1926	23	22.5
1927	23	22.5
1928	21	22.5
1929	19	22.5
1930	29	22.5
1931	18	22.5
1932	28	22.5
1933	22	22.5
1934	20	22.5
1935	13	22.5
1936	23	22.5
1937	24	22.5
1938	25	22.5
1939	23	22.5
1940	29	25
1941	22	25
1942	19	25
1943	24	25
1944	37	25
1945	24	25
1946	31	25
1947	18	25
1948	22	25
1949	24	25
1950	14	22
1951	24	22
1952	19	22
1953	30	22
1954	26	22
1955	22	22
1956	21	22
1957	21	22
1958	21	22
1959	22	22
1960	16	19.5
1961	17	19.5
1962	23	19.5
1963	22	19.5
1964	18	19.5
1965	14	19.5
1966	28	19.5
1967	17	19.5
1968	22	19.5
1969	18	19.5
1970	18	18

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

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

Every Fixed Threshold

Fixed thresholds at Perundurai
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	37	1944	18
25 mm (0.98 in): Days with 25 mm or more rain	70	19	1940	5
50 mm (1.97 in): Days with 50 mm or more rain	61	7	1930	3
100 mm (3.94 in): Days with 100 mm or more rain	12	1	1901	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 Perundurai 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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

Data as of 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Perundurai Threshold Days by Year

Key Facts for Perundurai Thresholds

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

Every Fixed Threshold

Download the Data

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