Mangaldai Threshold Days by Year (IN003020600)

5 fixed thresholds counted per year at Mangaldai (IN003020600): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Mangaldai Thresholds

Mangaldai: days with 10 mm (0.39 in) or more of precipitation in 56 years, most in 1929 with 76.
Mangaldai: days with 25 mm (0.98 in) or more of precipitation in 56 years, most in 1929 with 53.
Mangaldai: days with 50 mm (1.97 in) or more of precipitation in 56 years, most in 1929 with 24.
Mangaldai: days with 100 mm (3.94 in) or more of precipitation in 20 years, most in 1959 with 7.
5 fixed thresholds have at least one qualifying day at Mangaldai.

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

56 years with a qualifying day

Days per year at Mangaldai with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 76 in 1929.

Days with 10 mm (0.39 in) or more of precipitation per year at Mangaldai
Year	Days	Decade average
1901	44	49.9
1902	54	49.9
1903	50	49.9
1904	59	49.9
1905	48	49.9
1906	51	49.9
1907	56	49.9
1908	45	49.9
1909	42	49.9
1910	57	51.4
1911	57	51.4
1912	58	51.4
1913	48	51.4
1914	43	51.4
1915	55	51.4
1916	51	51.4
1917	58	51.4
1918	50	51.4
1919	37	51.4
1920	71	58.7
1921	64	58.7
1922	40	58.7
1923	61	58.7
1924	51	58.7
1925	62	58.7
1926	58	58.7
1927	56	58.7
1928	48	58.7
1929	76	58.7
1930	59	50.6
1931	53	50.6
1932	49	50.6
1933	43	50.6
1934	60	50.6
1935	49	50.6
1936	52	50.6
1937	55	50.6
1938	45	50.6
1939	41	50.6
1940	54	54.9
1941	46	54.9
1942	55	54.9
1943	70	54.9
1944	50	54.9
1945	51	54.9
1946	56	54.9
1947	48	54.9
1948	58	54.9
1949	61	54.9
1950	31	45.6
1951	47	45.6
1952	56	45.6
1953	54	45.6
1954	45	45.6
1957	42	45.6
1959	44	45.6

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

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

Every Fixed Threshold

Fixed thresholds at Mangaldai
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	56	76	1929	44
25 mm (0.98 in): Days with 25 mm or more rain	56	53	1929	30
50 mm (1.97 in): Days with 50 mm or more rain	56	24	1929	17
100 mm (3.94 in): Days with 100 mm or more rain	20	7	1959	7
200 mm (7.87 in): Days with 200 mm or more rain	3	1	1909	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 Mangaldai 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).

Mangaldai Threshold Days by Year (IN003020600)

Key Facts for Mangaldai Thresholds

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

Every Fixed Threshold

Download the Data

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