Atru Threshold Days by Year (IN019190201)

5 fixed thresholds counted per year at Atru (IN019190201): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Atru Thresholds

Atru: days with 10 mm (0.39 in) or more of precipitation in 70 years, most in 1942 with 37.
Atru: days with 25 mm (0.98 in) or more of precipitation in 70 years, most in 1942 with 23.
Atru: days with 50 mm (1.97 in) or more of precipitation in 67 years, most in 1916 with 13.
Atru: days with 100 mm (3.94 in) or more of precipitation in 40 years, most in 1908 with 4.
5 fixed thresholds have at least one qualifying day at Atru.

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

70 years with a qualifying day

Days per year at Atru with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 37 in 1942.

Days with 10 mm (0.39 in) or more of precipitation per year at Atru
Year	Days	Decade average
1901	22	20.3
1902	20	20.3
1903	20	20.3
1904	28	20.3
1905	8	20.3
1906	22	20.3
1907	11	20.3
1908	25	20.3
1909	27	20.3
1910	22	23.7
1911	17	23.7
1912	30	23.7
1913	15	23.7
1914	24	23.7
1915	14	23.7
1916	31	23.7
1917	34	23.7
1918	14	23.7
1919	36	23.7
1920	20	26
1921	21	26
1922	36	26
1923	30	26
1924	31	26
1925	26	26
1926	36	26
1927	25	26
1928	13	26
1929	22	26
1930	27	25.5
1931	32	25.5
1932	20	25.5
1933	35	25.5
1934	29	25.5
1935	29	25.5
1936	21	25.5
1937	25	25.5
1938	20	25.5
1939	17	25.5
1940	22	27.3
1941	18	27.3
1942	37	27.3
1943	22	27.3
1944	25	27.3
1945	31	27.3
1946	36	27.3
1947	33	27.3
1948	30	27.3
1949	19	27.3
1950	11	20.6
1951	17	20.6
1952	19	20.6
1953	17	20.6
1954	21	20.6
1955	27	20.6
1956	25	20.6
1957	15	20.6
1958	23	20.6
1959	31	20.6
1960	18	22.2
1961	37	22.2
1962	20	22.2
1963	25	22.2
1964	23	22.2
1965	13	22.2
1966	17	22.2
1967	26	22.2
1968	19	22.2
1969	24	22.2
1970	26	26

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

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

Every Fixed Threshold

Fixed thresholds at Atru
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	37	1942	26
25 mm (0.98 in): Days with 25 mm or more rain	70	23	1942	15
50 mm (1.97 in): Days with 50 mm or more rain	67	13	1916	7
100 mm (3.94 in): Days with 100 mm or more rain	40	4	1908	1
200 mm (7.87 in): Days with 200 mm or more rain	7	2	1904	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 Atru 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).

Atru Threshold Days by Year (IN019190201)

Key Facts for Atru Thresholds

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

Every Fixed Threshold

Download the Data

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