Mettupalayam Threshold Days by Year

5 fixed thresholds counted per year at Mettupalayam (IN020031001): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Mettupalayam Thresholds

Mettupalayam: days with 10 mm (0.39 in) or more of precipitation in 70 years, most in 1932 with 43.
Mettupalayam: days with 25 mm (0.98 in) or more of precipitation in 70 years, most in 1936 with 19.
Mettupalayam: days with 50 mm (1.97 in) or more of precipitation in 66 years, most in 1932 with 10.
Mettupalayam: days with 100 mm (3.94 in) or more of precipitation in 20 years, most in 1936 with 3.
5 fixed thresholds have at least one qualifying day at Mettupalayam.

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

70 years with a qualifying day

Days per year at Mettupalayam with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 43 in 1932.

Days with 10 mm (0.39 in) or more of precipitation per year at Mettupalayam
Year	Days	Decade average
1901	27	26
1902	35	26
1903	30	26
1904	24	26
1905	22	26
1906	21	26
1907	27	26
1908	23	26
1909	25	26
1910	31	24.7
1911	10	24.7
1912	23	24.7
1913	21	24.7
1914	17	24.7
1915	32	24.7
1916	23	24.7
1917	25	24.7
1918	33	24.7
1919	32	24.7
1920	9	24.9
1921	20	24.9
1922	33	24.9
1923	22	24.9
1924	31	24.9
1925	27	24.9
1926	22	24.9
1927	22	24.9
1928	25	24.9
1929	38	24.9
1930	32	28.5
1931	19	28.5
1932	43	28.5
1933	37	28.5
1934	22	28.5
1935	26	28.5
1936	31	28.5
1937	34	28.5
1938	17	28.5
1939	24	28.5
1940	35	27.4
1941	27	27.4
1942	17	27.4
1943	27	27.4
1944	34	27.4
1945	27	27.4
1946	37	27.4
1947	21	27.4
1948	31	27.4
1949	18	27.4
1950	14	24.9
1951	25	24.9
1952	17	24.9
1953	24	24.9
1954	29	24.9
1955	29	24.9
1956	25	24.9
1957	28	24.9
1958	25	24.9
1959	33	24.9
1960	31	26
1961	34	26
1962	32	26
1963	23	26
1964	25	26
1965	19	26
1966	30	26
1967	15	26
1968	20	26
1969	31	26
1970	17	17

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

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

Every Fixed Threshold

Fixed thresholds at Mettupalayam
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	43	1932	17
25 mm (0.98 in): Days with 25 mm or more rain	70	19	1936	8
50 mm (1.97 in): Days with 50 mm or more rain	66	10	1932	2
100 mm (3.94 in): Days with 100 mm or more rain	20	3	1936	1
200 mm (7.87 in): Days with 200 mm or more rain	1	1	1936	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 Mettupalayam 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).

Mettupalayam Threshold Days by Year

Key Facts for Mettupalayam Thresholds

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

Every Fixed Threshold

Download the Data

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