Hassan Obsy Threshold Days by Year (IN009110600)

4 fixed thresholds counted per year at Hassan Obsy (IN009110600): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Hassan Obsy Thresholds

Hassan Obsy: days with 10 mm (0.39 in) or more of precipitation in 68 years, most in 1961 with 47.
Hassan Obsy: days with 25 mm (0.98 in) or more of precipitation in 68 years, most in 1964 with 17.
Hassan Obsy: days with 50 mm (1.97 in) or more of precipitation in 57 years, most in 1941 with 5.
Hassan Obsy: days with 100 mm (3.94 in) or more of precipitation in 9 years, most in 1902 with 1.
4 fixed thresholds have at least one qualifying day at Hassan Obsy.

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

68 years with a qualifying day

Days per year at Hassan Obsy with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 47 in 1961.

Days with 10 mm (0.39 in) or more of precipitation per year at Hassan Obsy
Year	Days	Decade average
1901	20	24.3
1902	22	24.3
1903	40	24.3
1904	18	24.3
1905	18	24.3
1906	28	24.3
1907	28	24.3
1908	18	24.3
1909	27	24.3
1910	26	26.7
1911	23	26.7
1912	33	26.7
1913	18	26.7
1914	21	26.7
1915	32	26.7
1916	35	26.7
1917	30	26.7
1918	17	26.7
1919	32	26.7
1920	22	24.1
1921	28	24.1
1922	23	24.1
1923	20	24.1
1924	28	24.1
1925	25	24.1
1926	18	24.1
1927	21	24.1
1928	29	24.1
1929	27	24.1
1930	30	24.6
1933	39	24.6
1934	17	24.6
1935	29	24.6
1936	20	24.6
1937	26	24.6
1938	13	24.6
1939	23	24.6
1940	33	27.9
1941	23	27.9
1942	22	27.9
1943	36	27.9
1944	32	27.9
1945	24	27.9
1946	38	27.9
1947	26	27.9
1948	26	27.9
1949	19	27.9
1950	20	26.7
1951	32	26.7
1952	21	26.7
1953	33	26.7
1954	24	26.7
1955	24	26.7
1956	20	26.7
1957	26	26.7
1958	32	26.7
1959	35	26.7
1960	26	28.5
1961	47	28.5
1962	31	28.5
1963	23	28.5
1964	41	28.5
1965	15	28.5
1966	24	28.5
1967	22	28.5
1968	23	28.5
1969	33	28.5
1970	25	25

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

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

Every Fixed Threshold

Fixed thresholds at Hassan Obsy
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	1961	25
25 mm (0.98 in): Days with 25 mm or more rain	68	17	1964	6
50 mm (1.97 in): Days with 50 mm or more rain	57	5	1941	1
100 mm (3.94 in): Days with 100 mm or more rain	9	1	1902	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 Hassan Obsy 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).

Hassan Obsy Threshold Days by Year (IN009110600)

Key Facts for Hassan Obsy Thresholds

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

Every Fixed Threshold

Download the Data

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