Polavaram Threshold Days by Year

5 fixed thresholds counted per year at Polavaram (IN001060401): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Polavaram Thresholds

Polavaram: days with 10 mm (0.39 in) or more of precipitation in 69 years, most in 1910 with 68.
Polavaram: days with 25 mm (0.98 in) or more of precipitation in 69 years, most in 1910 with 40.
Polavaram: days with 50 mm (1.97 in) or more of precipitation in 66 years, most in 1910 with 22.
Polavaram: days with 100 mm (3.94 in) or more of precipitation in 14 years, most in 1910 with 7.
5 fixed thresholds have at least one qualifying day at Polavaram.

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

69 years with a qualifying day

Days per year at Polavaram with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 68 in 1910.

Days with 10 mm (0.39 in) or more of precipitation per year at Polavaram
Year	Days	Decade average
1901	40	34.9
1902	36	34.9
1903	44	34.9
1904	26	34.9
1905	24	34.9
1906	32	34.9
1907	34	34.9
1908	35	34.9
1909	43	34.9
1910	68	42.5
1911	35	42.5
1912	41	42.5
1913	34	42.5
1914	36	42.5
1915	31	42.5
1916	62	42.5
1917	52	42.5
1918	26	42.5
1919	40	42.5
1920	20	33.5
1921	37	33.5
1922	23	33.5
1923	41	33.5
1924	43	33.5
1925	43	33.5
1926	30	33.5
1927	36	33.5
1928	40	33.5
1929	22	33.5
1930	36	37
1931	42	37
1932	40	37
1933	40	37
1934	29	37
1935	31	37
1936	46	37
1937	42	37
1938	38	37
1939	26	37
1940	27	30.4
1941	28	30.4
1942	18	30.4
1943	32	30.4
1944	38	30.4
1945	20	30.4
1946	30	30.4
1947	39	30.4
1948	29	30.4
1949	43	30.4
1950	31	35.5
1951	34	35.5
1952	26	35.5
1953	31	35.5
1954	43	35.5
1955	38	35.5
1956	29	35.5
1957	41	35.5
1958	41	35.5
1959	41	35.5
1960	35	32.9
1961	40	32.9
1962	33	32.9
1963	18	32.9
1964	38	32.9
1965	28	32.9
1966	33	32.9
1968	28	32.9
1969	43	32.9
1970	53	53

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

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

Every Fixed Threshold

Fixed thresholds at Polavaram
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	69	68	1910	53
25 mm (0.98 in): Days with 25 mm or more rain	69	40	1910	24
50 mm (1.97 in): Days with 50 mm or more rain	66	22	1910	4
100 mm (3.94 in): Days with 100 mm or more rain	14	7	1910	1
200 mm (7.87 in): Days with 200 mm or more rain	1	1	1933	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 Polavaram 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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

Data as of 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Polavaram Threshold Days by Year

Key Facts for Polavaram Thresholds

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

Every Fixed Threshold

Download the Data

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