Sulur Threshold Days by Year

4 fixed thresholds counted per year at Sulur (IN020031301): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Sulur Thresholds

Sulur: days with 10 mm (0.39 in) or more of precipitation in 68 years, most in 1940 with 31.
Sulur: days with 25 mm (0.98 in) or more of precipitation in 68 years, most in 1957 with 13.
Sulur: days with 50 mm (1.97 in) or more of precipitation in 48 years, most in 1915 with 4.
Sulur: days with 100 mm (3.94 in) or more of precipitation in 5 years, most in 1930 with 1.
4 fixed thresholds have at least one qualifying day at Sulur.

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

68 years with a qualifying day

Days per year at Sulur with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 31 in 1940.

Days with 10 mm (0.39 in) or more of precipitation per year at Sulur
Year	Days	Decade average
1901	15	15.7
1902	21	15.7
1903	13	15.7
1904	10	15.7
1905	17	15.7
1906	18	15.7
1907	16	15.7
1908	15	15.7
1909	16	15.7
1910	18	17
1911	13	17
1912	15	17
1913	13	17
1914	12	17
1915	23	17
1916	16	17
1917	18	17
1918	22	17
1919	20	17
1920	17	16.7
1921	24	16.7
1922	23	16.7
1923	11	16.7
1924	16	16.7
1925	18	16.7
1926	15	16.7
1927	14	16.7
1928	14	16.7
1929	15	16.7
1930	23	17.3
1931	15	17.3
1932	22	17.3
1933	21	17.3
1934	20	17.3
1935	14	17.3
1936	17	17.3
1937	16	17.3
1938	7	17.3
1939	18	17.3
1940	31	18.4
1941	26	18.4
1942	10	18.4
1943	21	18.4
1944	25	18.4
1945	12	18.4
1946	16	18.4
1947	13	18.4
1948	16	18.4
1949	14	18.4
1950	9	14.5
1951	12	14.5
1952	12	14.5
1953	18	14.5
1954	18	14.5
1955	16	14.5
1956	10	14.5
1957	19	14.5
1958	16	14.5
1959	15	14.5
1960	14	16.1
1961	18	16.1
1962	16	16.1
1963	19	16.1
1964	20	16.1
1965	15	16.1
1967	6	16.1
1969	21	16.1
1970	18	18

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

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

Every Fixed Threshold

Fixed thresholds at Sulur
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	68	31	1940	18
25 mm (0.98 in): Days with 25 mm or more rain	68	13	1957	7
50 mm (1.97 in): Days with 50 mm or more rain	48	4	1915	2
100 mm (3.94 in): Days with 100 mm or more rain	5	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 Sulur 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).

Sulur Threshold Days by Year

Key Facts for Sulur Thresholds

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

Every Fixed Threshold

Download the Data

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