Ilav Threshold Days by Year (IN005060600)

5 fixed thresholds counted per year at Ilav (IN005060600): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ilav Thresholds

Ilav: days with 10 mm (0.39 in) or more of precipitation in 68 years, most in 1959 with 47.
Ilav: days with 25 mm (0.98 in) or more of precipitation in 67 years, most in 1959 with 28.
Ilav: days with 50 mm (1.97 in) or more of precipitation in 65 years, most in 1959 with 20.
Ilav: days with 100 mm (3.94 in) or more of precipitation in 36 years, most in 1959 with 6.
5 fixed thresholds have at least one qualifying day at Ilav.

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

68 years with a qualifying day

Days per year at Ilav with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 47 in 1959.

Days with 10 mm (0.39 in) or more of precipitation per year at Ilav
Year	Days	Decade average
1901	10	17.4
1902	20	17.4
1903	18	17.4
1904	13	17.4
1905	12	17.4
1906	21	17.4
1907	20	17.4
1908	17	17.4
1909	26	17.4
1910	25	22.8
1911	7	22.8
1912	30	22.8
1913	26	22.8
1914	28	22.8
1915	15	22.8
1916	35	22.8
1917	36	22.8
1918	7	22.8
1919	19	22.8
1920	21	20.9
1921	32	20.9
1922	20	20.9
1923	12	20.9
1924	22	20.9
1925	20	20.9
1926	28	20.9
1927	21	20.9
1928	18	20.9
1929	15	20.9
1930	18	21
1931	24	21
1932	24	21
1933	24	21
1934	27	21
1935	21	21
1936	15	21
1937	24	21
1938	19	21
1939	14	21
1940	21	20.5
1941	10	20.5
1942	25	20.5
1943	18	20.5
1944	28	20.5
1945	27	20.5
1946	23	20.5
1947	23	20.5
1948	10	20.5
1949	20	20.5
1950	22	23.1
1951	11	23.1
1952	13	23.1
1953	29	23.1
1954	17	23.1
1955	18	23.1
1956	33	23.1
1957	18	23.1
1958	23	23.1
1959	47	23.1
1960	21	19.1
1961	21	19.1
1963	21	19.1
1964	29	19.1
1965	17	19.1
1966	13	19.1
1967	15	19.1
1968	16	19.1
1970	30	30

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

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

Every Fixed Threshold

Fixed thresholds at Ilav
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	68	47	1959	30
25 mm (0.98 in): Days with 25 mm or more rain	67	28	1959	18
50 mm (1.97 in): Days with 50 mm or more rain	65	20	1959	9
100 mm (3.94 in): Days with 100 mm or more rain	36	6	1959	3
200 mm (7.87 in): Days with 200 mm or more rain	7	2	1946	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 Ilav 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).

Ilav Threshold Days by Year (IN005060600)

Key Facts for Ilav Thresholds

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

Every Fixed Threshold

Download the Data

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