Sirmuthra Threshold Days by Year (IN019050500)

5 fixed thresholds counted per year at Sirmuthra (IN019050500): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Sirmuthra Thresholds

Sirmuthra: days with 10 mm (0.39 in) or more of precipitation in 62 years, most in 1955 with 33.
Sirmuthra: days with 25 mm (0.98 in) or more of precipitation in 61 years, most in 1924 with 20.
Sirmuthra: days with 50 mm (1.97 in) or more of precipitation in 58 years, most in 1942 with 7.
Sirmuthra: days with 100 mm (3.94 in) or more of precipitation in 21 years, most in 1919 with 2.
5 fixed thresholds have at least one qualifying day at Sirmuthra.

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

62 years with a qualifying day

Days per year at Sirmuthra with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 33 in 1955.

Days with 10 mm (0.39 in) or more of precipitation per year at Sirmuthra
Year	Days	Decade average
1904	23	17.2
1905	8	17.2
1906	14	17.2
1907	10	17.2
1908	25	17.2
1909	23	17.2
1910	24	18.6
1911	18	18.6
1912	26	18.6
1913	12	18.6
1914	14	18.6
1915	14	18.6
1916	24	18.6
1917	28	18.6
1918	4	18.6
1919	22	18.6
1920	17	21
1921	17	21
1922	25	21
1923	22	21
1924	31	21
1929	14	21
1930	18	20.5
1931	17	20.5
1932	23	20.5
1933	23	20.5
1934	31	20.5
1935	23	20.5
1936	19	20.5
1937	16	20.5
1938	17	20.5
1939	18	20.5
1940	17	19.8
1941	8	19.8
1942	23	19.8
1943	18	19.8
1944	23	19.8
1945	21	19.8
1946	23	19.8
1947	23	19.8
1948	21	19.8
1949	21	19.8
1950	19	22.6
1951	16	22.6
1952	20	22.6
1953	21	22.6
1954	14	22.6
1955	33	22.6
1956	26	22.6
1957	28	22.6
1958	32	22.6
1959	17	22.6
1960	14	18.3
1962	13	18.3
1963	21	18.3
1964	23	18.3
1965	14	18.3
1966	7	18.3
1967	29	18.3
1968	21	18.3
1969	23	18.3
1970	22	22

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

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

Every Fixed Threshold

Fixed thresholds at Sirmuthra
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	62	33	1955	22
25 mm (0.98 in): Days with 25 mm or more rain	61	20	1924	9
50 mm (1.97 in): Days with 50 mm or more rain	58	7	1942	6
100 mm (3.94 in): Days with 100 mm or more rain	21	2	1919	1
200 mm (7.87 in): Days with 200 mm or more rain	3	1	1904	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1904.

Download the Data

Data for Sirmuthra 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).

Sirmuthra Threshold Days by Year (IN019050500)

Key Facts for Sirmuthra Thresholds

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

Every Fixed Threshold

Download the Data

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