Supaul Threshold Days by Year (IN004131100)

5 fixed thresholds counted per year at Supaul (IN004131100): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Supaul Thresholds

Supaul: days with 10 mm (0.39 in) or more of precipitation in 57 years, most in 1916 with 51.
Supaul: days with 25 mm (0.98 in) or more of precipitation in 57 years, most in 1916 with 28.
Supaul: days with 50 mm (1.97 in) or more of precipitation in 56 years, most in 1905 with 13.
Supaul: days with 100 mm (3.94 in) or more of precipitation in 43 years, most in 1904 with 4.
5 fixed thresholds have at least one qualifying day at Supaul.

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

57 years with a qualifying day

Days per year at Supaul with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 51 in 1916.

Days with 10 mm (0.39 in) or more of precipitation per year at Supaul
Year	Days	Decade average
1901	26	34.1
1902	40	34.1
1903	39	34.1
1904	38	34.1
1905	41	34.1
1906	33	34.1
1907	36	34.1
1908	18	34.1
1909	36	34.1
1910	43	39.1
1911	41	39.1
1912	32	39.1
1913	39	39.1
1914	28	39.1
1915	42	39.1
1916	51	39.1
1917	38	39.1
1918	47	39.1
1919	30	39.1
1920	36	36.2
1921	40	36.2
1922	45	36.2
1923	28	36.2
1924	42	36.2
1925	29	36.2
1926	33	36.2
1927	38	36.2
1928	39	36.2
1929	32	36.2
1930	37	35.9
1931	35	35.9
1932	28	35.9
1933	38	35.9
1934	43	35.9
1935	32	35.9
1936	40	35.9
1937	30	35.9
1938	41	35.9
1939	35	35.9
1940	37	35.1
1941	33	35.1
1942	32	35.1
1943	35	35.1
1944	31	35.1
1945	34	35.1
1946	44	35.1
1952	32	27.7
1953	32	27.7
1954	22	27.7
1955	31	27.7
1956	36	27.7
1957	13	27.7
1960	22	28.4
1961	37	28.4
1964	33	28.4
1965	28	28.4
1967	22	28.4

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

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

Every Fixed Threshold

Fixed thresholds at Supaul
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	57	51	1916	22
25 mm (0.98 in): Days with 25 mm or more rain	57	28	1916	11
50 mm (1.97 in): Days with 50 mm or more rain	56	13	1905	4
100 mm (3.94 in): Days with 100 mm or more rain	43	4	1904	3
200 mm (7.87 in): Days with 200 mm or more rain	2	1	1902	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 Supaul 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).

Supaul Threshold Days by Year (IN004131100)

Key Facts for Supaul Thresholds

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

Every Fixed Threshold

Download the Data

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