Ramanathapuram Threshold Days by Year (IN020100900)

5 fixed thresholds counted per year at Ramanathapuram (IN020100900): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ramanathapuram Thresholds

Ramanathapuram: days with 10 mm (0.39 in) or more of precipitation in 70 years, most in 1963 with 37.
Ramanathapuram: days with 25 mm (0.98 in) or more of precipitation in 70 years, most in 1902 with 22.
Ramanathapuram: days with 50 mm (1.97 in) or more of precipitation in 68 years, most in 1942 with 10.
Ramanathapuram: days with 100 mm (3.94 in) or more of precipitation in 24 years, most in 1942 with 4.
5 fixed thresholds have at least one qualifying day at Ramanathapuram.

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

70 years with a qualifying day

Days per year at Ramanathapuram with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 37 in 1963.

Days with 10 mm (0.39 in) or more of precipitation per year at Ramanathapuram
Year	Days	Decade average
1901	26	23.9
1902	36	23.9
1903	16	23.9
1904	16	23.9
1905	23	23.9
1906	27	23.9
1907	25	23.9
1908	20	23.9
1909	26	23.9
1910	26	24.3
1911	22	24.3
1912	27	24.3
1913	20	24.3
1914	25	24.3
1915	23	24.3
1916	20	24.3
1917	20	24.3
1918	32	24.3
1919	28	24.3
1920	32	25.8
1921	20	25.8
1922	27	25.8
1923	24	25.8
1924	20	25.8
1925	34	25.8
1926	18	25.8
1927	26	25.8
1928	24	25.8
1929	33	25.8
1930	27	24.2
1931	28	24.2
1932	29	24.2
1933	16	24.2
1934	23	24.2
1935	16	24.2
1936	28	24.2
1937	25	24.2
1938	24	24.2
1939	26	24.2
1940	31	22.7
1941	19	22.7
1942	23	22.7
1943	23	22.7
1944	21	22.7
1945	24	22.7
1946	32	22.7
1947	15	22.7
1948	21	22.7
1949	18	22.7
1950	14	23.7
1951	27	23.7
1952	10	23.7
1953	26	23.7
1954	29	23.7
1955	25	23.7
1956	24	23.7
1957	29	23.7
1958	24	23.7
1959	29	23.7
1960	24	27.5
1961	33	27.5
1962	28	27.5
1963	37	27.5
1964	17	27.5
1965	27	27.5
1966	33	27.5
1967	24	27.5
1968	28	27.5
1969	24	27.5
1970	19	19

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

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

Every Fixed Threshold

Fixed thresholds at Ramanathapuram
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	1963	19
25 mm (0.98 in): Days with 25 mm or more rain	70	22	1902	7
50 mm (1.97 in): Days with 50 mm or more rain	68	10	1942	1
100 mm (3.94 in): Days with 100 mm or more rain	24	4	1942	3
200 mm (7.87 in): Days with 200 mm or more rain	2	2	1955	2

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 Ramanathapuram 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).

Ramanathapuram Threshold Days by Year (IN020100900)

Key Facts for Ramanathapuram Thresholds

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

Every Fixed Threshold

Download the Data

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