Arang Threshold Days by Year (IN011291200)

5 fixed thresholds counted per year at Arang (IN011291200): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Arang Thresholds

Arang: days with 10 mm (0.39 in) or more of precipitation in 61 years, most in 1919 with 49.
Arang: days with 25 mm (0.98 in) or more of precipitation in 61 years, most in 1925 with 30.
Arang: days with 50 mm (1.97 in) or more of precipitation in 61 years, most in 1918 with 12.
Arang: days with 100 mm (3.94 in) or more of precipitation in 41 years, most in 1918 with 5.
5 fixed thresholds have at least one qualifying day at Arang.

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

61 years with a qualifying day

Days per year at Arang with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 49 in 1919.

Days with 10 mm (0.39 in) or more of precipitation per year at Arang
Year	Days	Decade average
1905	30	34.4
1906	35	34.4
1907	39	34.4
1908	36	34.4
1909	32	34.4
1910	34	38.3
1911	38	38.3
1912	38	38.3
1913	31	38.3
1914	48	38.3
1915	33	38.3
1916	32	38.3
1917	43	38.3
1918	37	38.3
1919	49	38.3
1920	26	34.5
1921	35	34.5
1922	35	34.5
1923	35	34.5
1924	26	34.5
1925	45	34.5
1926	37	34.5
1927	35	34.5
1928	27	34.5
1929	44	34.5
1930	43	37.5
1931	36	37.5
1932	38	37.5
1933	38	37.5
1934	39	37.5
1935	27	37.5
1936	38	37.5
1937	40	37.5
1938	40	37.5
1939	36	37.5
1940	35	35.7
1941	24	35.7
1942	30	35.7
1943	40	35.7
1944	39	35.7
1945	38	35.7
1946	41	35.7
1947	39	35.7
1948	31	35.7
1949	40	35.7
1950	35	33.8
1951	35	33.8
1952	34	33.8
1953	39	33.8
1954	27	33.8
1955	31	33.8
1956	37	33.8
1958	33	33.8
1959	33	33.8
1960	38	32.3
1961	38	32.3
1962	24	32.3
1963	45	32.3
1964	35	32.3
1965	18	32.3
1967	28	32.3

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

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

Every Fixed Threshold

Fixed thresholds at Arang
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	61	49	1919	28
25 mm (0.98 in): Days with 25 mm or more rain	61	30	1925	9
50 mm (1.97 in): Days with 50 mm or more rain	61	12	1918	2
100 mm (3.94 in): Days with 100 mm or more rain	41	5	1918	2
200 mm (7.87 in): Days with 200 mm or more rain	6	1	1910	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 Arang 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).

Arang Threshold Days by Year (IN011291200)

Key Facts for Arang Thresholds

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

Every Fixed Threshold

Download the Data

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