Adirampatanam Threshold Days by Year

5 fixed thresholds counted per year at Adirampatanam (IN020121901): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Adirampatanam Thresholds

Adirampatanam: days with 10 mm (0.39 in) or more of precipitation in 60 years, most in 1920 with 48.
Adirampatanam: days with 25 mm (0.98 in) or more of precipitation in 60 years, most in 1966 with 26.
Adirampatanam: days with 50 mm (1.97 in) or more of precipitation in 60 years, most in 1920 with 14.
Adirampatanam: days with 100 mm (3.94 in) or more of precipitation in 26 years, most in 1906 with 3.
5 fixed thresholds have at least one qualifying day at Adirampatanam.

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

60 years with a qualifying day

Days per year at Adirampatanam with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 48 in 1920.

Days with 10 mm (0.39 in) or more of precipitation per year at Adirampatanam
Year	Days	Decade average
1905	20	22.6
1906	34	22.6
1907	21	22.6
1908	16	22.6
1909	22	22.6
1910	26	28.1
1911	29	28.1
1912	22	28.1
1913	23	28.1
1914	25	28.1
1915	32	28.1
1916	27	28.1
1917	36	28.1
1918	29	28.1
1919	32	28.1
1920	48	33.2
1921	34	33.2
1922	33	33.2
1923	36	33.2
1924	28	33.2
1925	34	33.2
1926	27	33.2
1927	21	33.2
1928	40	33.2
1929	31	33.2
1930	35	32.5
1931	33	32.5
1932	36	32.5
1933	30	32.5
1934	28	32.5
1935	28	32.5
1936	36	32.5
1937	29	32.5
1938	30	32.5
1939	40	32.5
1940	35	33.4
1941	37	33.4
1942	29	33.4
1943	40	33.4
1944	47	33.4
1945	31	33.4
1946	38	33.4
1947	30	33.4
1948	21	33.4
1949	26	33.4
1950	26	30.7
1951	26	30.7
1952	25	30.7
1953	37	30.7
1954	39	30.7
1955	25	30.7
1956	32	30.7
1957	40	30.7
1958	31	30.7
1959	26	30.7
1960	30	34
1961	29	34
1963	35	34
1966	42	34
1970	32	32

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

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

Every Fixed Threshold

Fixed thresholds at Adirampatanam
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	60	48	1920	32
25 mm (0.98 in): Days with 25 mm or more rain	60	26	1966	18
50 mm (1.97 in): Days with 50 mm or more rain	60	14	1920	7
100 mm (3.94 in): Days with 100 mm or more rain	26	3	1906	1
200 mm (7.87 in): Days with 200 mm or more rain	3	1	1930	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1905.

Download the Data

Data for Adirampatanam 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).

Adirampatanam Threshold Days by Year

Key Facts for Adirampatanam Thresholds

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

Every Fixed Threshold

Download the Data

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