Annavasal Threshold Days by Year (IN020131901)

5 fixed thresholds counted per year at Annavasal (IN020131901): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Annavasal Thresholds

Annavasal: days with 10 mm (0.39 in) or more of precipitation in 67 years, most in 1920 with 40.
Annavasal: days with 25 mm (0.98 in) or more of precipitation in 67 years, most in 1920 with 22.
Annavasal: days with 50 mm (1.97 in) or more of precipitation in 63 years, most in 1922 with 8.
Annavasal: days with 100 mm (3.94 in) or more of precipitation in 18 years, most in 1921 with 2.
5 fixed thresholds have at least one qualifying day at Annavasal.

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

67 years with a qualifying day

Days per year at Annavasal with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 40 in 1920.

Days with 10 mm (0.39 in) or more of precipitation per year at Annavasal
Year	Days	Decade average
1901	28	27.8
1902	31	27.8
1903	35	27.8
1904	23	27.8
1905	24	27.8
1906	30	27.8
1907	22	27.8
1908	20	27.8
1909	37	27.8
1910	30	28.4
1911	25	28.4
1912	26	28.4
1913	35	28.4
1914	22	28.4
1915	29	28.4
1916	23	28.4
1917	35	28.4
1918	30	28.4
1919	29	28.4
1920	40	30.2
1921	40	30.2
1922	36	30.2
1923	30	30.2
1924	34	30.2
1925	24	30.2
1926	20	30.2
1927	26	30.2
1928	24	30.2
1929	28	30.2
1930	32	28.5
1931	31	28.5
1932	36	28.5
1933	26	28.5
1934	21	28.5
1935	28	28.5
1936	29	28.5
1937	22	28.5
1938	27	28.5
1939	33	28.5
1940	22	28.6
1941	35	28.6
1942	31	28.6
1943	34	28.6
1944	22	28.6
1945	23	28.6
1946	30	28.6
1947	32	28.6
1948	24	28.6
1949	33	28.6
1950	19	25.1
1951	26	25.1
1952	13	25.1
1953	27	25.1
1954	38	25.1
1955	32	25.1
1956	22	25.1
1957	24	25.1
1958	28	25.1
1959	22	25.1
1960	28	23.5
1961	31	23.5
1962	17	23.5
1963	33	23.5
1964	11	23.5
1966	34	23.5
1967	7	23.5
1968	27	23.5

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

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

Every Fixed Threshold

Fixed thresholds at Annavasal
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	67	40	1920	27
25 mm (0.98 in): Days with 25 mm or more rain	67	22	1920	14
50 mm (1.97 in): Days with 50 mm or more rain	63	8	1922	5
100 mm (3.94 in): Days with 100 mm or more rain	18	2	1921	1
200 mm (7.87 in): Days with 200 mm or more rain	1	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 1901.

Download the Data

Data for Annavasal 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).

Annavasal Threshold Days by Year (IN020131901)

Key Facts for Annavasal Thresholds

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

Every Fixed Threshold

Download the Data

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