Ramnagaram Threshold Days by Year (IN009010400)

4 fixed thresholds counted per year at Ramnagaram (IN009010400): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ramnagaram Thresholds

Ramnagaram: days with 10 mm (0.39 in) or more of precipitation in 70 years, most in 1903 with 45.
Ramnagaram: days with 25 mm (0.98 in) or more of precipitation in 70 years, most in 1903 with 19.
Ramnagaram: days with 50 mm (1.97 in) or more of precipitation in 63 years, most in 1966 with 7.
Ramnagaram: days with 100 mm (3.94 in) or more of precipitation in 11 years, most in 1906 with 2.
4 fixed thresholds have at least one qualifying day at Ramnagaram.

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

70 years with a qualifying day

Days per year at Ramnagaram with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 45 in 1903.

Days with 10 mm (0.39 in) or more of precipitation per year at Ramnagaram
Year	Days	Decade average
1901	24	25.8
1902	23	25.8
1903	45	25.8
1904	18	25.8
1905	18	25.8
1906	28	25.8
1907	23	25.8
1908	20	25.8
1909	33	25.8
1910	31	26.3
1911	23	26.3
1912	38	26.3
1913	22	26.3
1914	24	26.3
1915	20	26.3
1916	30	26.3
1917	30	26.3
1918	15	26.3
1919	30	26.3
1920	20	23.2
1921	27	23.2
1922	32	23.2
1923	18	23.2
1924	30	23.2
1925	20	23.2
1926	23	23.2
1927	19	23.2
1928	23	23.2
1929	20	23.2
1930	27	26.5
1931	15	26.5
1932	27	26.5
1933	30	26.5
1934	21	26.5
1935	30	26.5
1936	31	26.5
1937	28	26.5
1938	28	26.5
1939	28	26.5
1940	31	29.1
1941	24	29.1
1942	30	29.1
1943	36	29.1
1944	30	29.1
1945	30	29.1
1946	37	29.1
1947	23	29.1
1948	26	29.1
1949	24	29.1
1950	30	27.5
1951	33	27.5
1952	28	27.5
1953	27	27.5
1954	25	27.5
1955	29	27.5
1956	28	27.5
1957	18	27.5
1958	30	27.5
1959	27	27.5
1960	21	23
1961	18	23
1962	35	23
1963	20	23
1964	35	23
1965	7	23
1966	30	23
1967	18	23
1968	19	23
1969	27	23
1970	33	33

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

First to last qualifying date each year at Ramnagaram
Year	First date	Last date
1901	1901-05-02	1901-11-06
1902	1902-04-06	1902-12-16
1903	1903-05-10	1903-12-04
1904	1904-05-11	1904-10-20
1905	1905-04-28	1905-11-26
1906	1906-04-20	1906-12-20
1907	1907-01-10	1907-11-27
1908	1908-03-27	1908-10-04
1909	1909-01-02	1909-11-28
1910	1910-05-02	1910-11-17
1911	1911-03-10	1911-11-22
1912	1912-04-01	1912-11-26
1913	1913-04-21	1913-12-05
1914	1914-04-12	1914-11-03
1915	1915-05-05	1915-11-14
1916	1916-04-08	1916-12-04
1917	1917-02-01	1917-11-29
1918	1918-05-12	1918-11-25
1919	1919-04-18	1919-11-15
1920	1920-04-13	1920-11-17
1921	1921-04-10	1921-11-04
1922	1922-04-28	1922-11-10
1923	1923-04-18	1923-10-30
1924	1924-04-16	1924-11-28
1925	1925-03-21	1925-12-11
1926	1926-01-08	1926-10-17
1927	1927-05-18	1927-11-09
1928	1928-02-04	1928-11-13
1929	1929-02-10	1929-12-02
1930	1930-04-25	1930-12-01
1931	1931-05-03	1931-12-11
1932	1932-04-23	1932-11-27
1933	1933-04-12	1933-12-17
1934	1934-04-18	1934-11-28
1935	1935-04-12	1935-12-25
1936	1936-03-20	1936-11-14
1937	1937-04-09	1937-10-29
1938	1938-04-22	1938-10-05
1939	1939-04-15	1939-11-18
1940	1940-04-21	1940-12-12
1941	1941-04-02	1941-12-14
1942	1942-04-25	1942-11-02
1943	1943-03-12	1943-11-22
1944	1944-02-21	1944-11-26
1945	1945-04-23	1945-11-14
1946	1946-03-22	1946-12-06
1947	1947-04-09	1947-11-22
1948	1948-03-30	1948-10-23
1949	1949-04-04	1949-10-25
1950	1950-02-23	1950-11-08
1951	1951-03-31	1951-11-02
1952	1952-05-02	1952-12-12
1953	1953-04-08	1953-10-30
1954	1954-03-29	1954-10-22
1955	1955-04-22	1955-11-02
1956	1956-04-25	1956-11-21
1957	1957-05-22	1957-11-09
1958	1958-01-03	1958-11-22
1959	1959-04-19	1959-10-31
1960	1960-06-07	1960-11-08
1961	1961-04-29	1961-11-03
1962	1962-03-22	1962-12-04
1963	1963-04-24	1963-12-09
1964	1964-05-01	1964-11-13
1965	1965-04-19	1965-09-19
1966	1966-04-22	1966-11-29
1967	1967-03-24	1967-12-10
1968	1968-02-20	1968-11-07
1969	1969-04-19	1969-12-15
1970	1970-02-21	1970-11-02

Every Fixed Threshold

Fixed thresholds at Ramnagaram
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	70	45	1903	33
25 mm (0.98 in): Days with 25 mm or more rain	70	19	1903	17
50 mm (1.97 in): Days with 50 mm or more rain	63	7	1966	4
100 mm (3.94 in): Days with 100 mm or more rain	11	2	1906	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.

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Data for Ramnagaram 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).

Ramnagaram Threshold Days by Year (IN009010400)

Key Facts for Ramnagaram Thresholds

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

Every Fixed Threshold

Download the Data

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