Rajmahal Threshold Days by Year (IN004161100)

4 fixed thresholds counted per year at Rajmahal (IN004161100): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Rajmahal Thresholds

Rajmahal: days with 10 mm (0.39 in) or more of precipitation in 61 years, most in 1911 with 56.
Rajmahal: days with 25 mm (0.98 in) or more of precipitation in 61 years, most in 1917 with 32.
Rajmahal: days with 50 mm (1.97 in) or more of precipitation in 58 years, most in 1917 with 16.
Rajmahal: days with 100 mm (3.94 in) or more of precipitation in 37 years, most in 1917 with 4.
4 fixed thresholds have at least one qualifying day at Rajmahal.

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

61 years with a qualifying day

Days per year at Rajmahal with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 56 in 1911.

Days with 10 mm (0.39 in) or more of precipitation per year at Rajmahal
Year	Days	Decade average
1902	39	37
1903	33	37
1904	37	37
1905	47	37
1906	37	37
1907	36	37
1908	30	37
1910	37	42.6
1911	56	42.6
1912	35	42.6
1913	46	42.6
1915	30	42.6
1916	44	42.6
1917	46	42.6
1918	43	42.6
1919	46	42.6
1920	35	38.3
1921	37	38.3
1922	51	38.3
1923	33	38.3
1924	48	38.3
1925	38	38.3
1926	29	38.3
1927	32	38.3
1928	41	38.3
1929	39	38.3
1930	31	37.7
1931	41	37.7
1932	39	37.7
1933	40	37.7
1934	28	37.7
1935	27	37.7
1936	37	37.7
1937	36	37.7
1938	45	37.7
1939	53	37.7
1940	28	39.2
1941	37	39.2
1942	35	39.2
1943	47	39.2
1944	44	39.2
1945	38	39.2
1946	36	39.2
1947	33	39.2
1948	45	39.2
1949	49	39.2
1950	43	41.9
1951	31	41.9
1952	49	41.9
1953	35	41.9
1954	38	41.9
1955	42	41.9
1956	49	41.9
1959	48	41.9
1960	38	28
1964	19	28
1965	15	28
1966	31	28
1967	23	28
1968	39	28
1969	31	28

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

First to last qualifying date each year at Rajmahal
Year	First date	Last date
1902	1902-03-22	1902-10-03
1903	1903-01-27	1903-10-31
1904	1904-02-19	1904-11-15
1905	1905-01-23	1905-09-30
1906	1906-01-22	1906-11-01
1907	1907-03-23	1907-09-23
1908	1908-02-01	1908-11-20
1910	1910-02-19	1910-10-16
1911	1911-04-19	1911-10-13
1912	1912-04-14	1912-11-24
1913	1913-02-13	1913-12-12
1915	1915-02-10	1915-11-20
1916	1916-04-13	1916-10-07
1917	1917-03-21	1917-10-31
1918	1918-04-01	1918-09-28
1919	1919-01-20	1919-10-04
1920	1920-03-07	1920-09-16
1921	1921-01-22	1921-10-13
1922	1922-05-10	1922-10-05
1923	1923-02-24	1923-10-05
1924	1924-04-19	1924-11-09
1925	1925-03-11	1925-09-19
1926	1926-03-06	1926-10-07
1927	1927-01-13	1927-10-22
1928	1928-01-25	1928-10-26
1929	1929-01-17	1929-10-20
1930	1930-04-04	1930-11-21
1931	1931-02-08	1931-10-17
1932	1932-04-23	1932-11-06
1933	1933-05-09	1933-10-21
1934	1934-02-24	1934-10-17
1935	1935-02-18	1935-09-24
1936	1936-03-10	1936-12-28
1937	1937-02-12	1937-10-08
1938	1938-05-06	1938-10-12
1939	1939-02-18	1939-10-25
1940	1940-02-11	1940-09-23
1941	1941-05-01	1941-10-11
1942	1942-02-22	1942-10-18
1943	1943-01-13	1943-10-13
1944	1944-01-26	1944-09-24
1945	1945-02-01	1945-10-23
1946	1946-02-24	1946-10-19
1947	1947-03-26	1947-10-13
1948	1948-05-07	1948-11-02
1949	1949-02-06	1949-10-31
1950	1950-02-10	1950-09-25
1951	1951-03-31	1951-10-15
1952	1952-04-22	1952-11-04
1953	1953-01-16	1953-10-02
1954	1954-01-20	1954-10-10
1955	1955-03-28	1955-11-08
1956	1956-01-28	1956-11-02
1959	1959-01-29	1959-10-06
1960	1960-03-07	1960-10-11
1964	1964-06-15	1964-09-28
1965	1965-05-31	1965-07-30
1966	1966-05-24	1966-11-22
1967	1967-06-17	1967-10-04
1968	1968-06-05	1968-10-05
1969	1969-06-07	1969-09-28

Every Fixed Threshold

Fixed thresholds at Rajmahal
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	56	1911	31
25 mm (0.98 in): Days with 25 mm or more rain	61	32	1917	8
50 mm (1.97 in): Days with 50 mm or more rain	58	16	1917	1
100 mm (3.94 in): Days with 100 mm or more rain	37	4	1917	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1902.

Download the Data

Data for Rajmahal 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).

Rajmahal Threshold Days by Year (IN004161100)

Key Facts for Rajmahal Thresholds

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

Every Fixed Threshold

Download the Data

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