Hiriyur Threshold Days by Year (IN009070900)

4 fixed thresholds counted per year at Hiriyur (IN009070900): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Hiriyur Thresholds

Hiriyur: days with 10 mm (0.39 in) or more of precipitation in 70 years, most in 1933 with 32.
Hiriyur: days with 25 mm (0.98 in) or more of precipitation in 69 years, most in 1916 with 13.
Hiriyur: days with 50 mm (1.97 in) or more of precipitation in 56 years, most in 1917 with 8.
Hiriyur: days with 100 mm (3.94 in) or more of precipitation in 9 years, most in 1903 with 1.
4 fixed thresholds have at least one qualifying day at Hiriyur.

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

70 years with a qualifying day

Days per year at Hiriyur with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 32 in 1933.

Days with 10 mm (0.39 in) or more of precipitation per year at Hiriyur
Year	Days	Decade average
1901	10	15.4
1902	21	15.4
1903	21	15.4
1904	11	15.4
1905	15	15.4
1906	21	15.4
1907	18	15.4
1908	7	15.4
1909	15	15.4
1910	26	20.5
1911	12	20.5
1912	22	20.5
1913	13	20.5
1914	17	20.5
1915	24	20.5
1916	24	20.5
1917	28	20.5
1918	14	20.5
1919	25	20.5
1920	12	14.5
1921	18	14.5
1922	19	14.5
1923	10	14.5
1924	17	14.5
1925	9	14.5
1926	14	14.5
1927	12	14.5
1928	14	14.5
1929	20	14.5
1930	18	16.3
1931	12	16.3
1932	22	16.3
1933	32	16.3
1934	9	16.3
1935	13	16.3
1936	16	16.3
1937	10	16.3
1938	14	16.3
1939	17	16.3
1940	17	16
1941	15	16
1942	10	16
1943	18	16
1944	14	16
1945	12	16
1946	22	16
1947	19	16
1948	16	16
1949	17	16
1950	15	16.2
1951	14	16.2
1952	18	16.2
1953	17	16.2
1954	13	16.2
1955	18	16.2
1956	18	16.2
1957	20	16.2
1958	17	16.2
1959	12	16.2
1960	10	13.8
1961	8	13.8
1962	19	13.8
1963	11	13.8
1964	16	13.8
1965	6	13.8
1966	22	13.8
1967	16	13.8
1968	12	13.8
1969	18	13.8
1970	22	22

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

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

Every Fixed Threshold

Fixed thresholds at Hiriyur
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	32	1933	22
25 mm (0.98 in): Days with 25 mm or more rain	69	13	1916	7
50 mm (1.97 in): Days with 50 mm or more rain	56	8	1917	1
100 mm (3.94 in): Days with 100 mm or more rain	9	1	1903	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 Hiriyur 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).

Hiriyur Threshold Days by Year (IN009070900)

Key Facts for Hiriyur Thresholds

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

Every Fixed Threshold

Download the Data

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