Cairo River Threshold Days by Year (USC00111169)

5 fixed thresholds counted per year at Cairo River (USC00111169): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Cairo River Thresholds

Cairo River: days with 10 mm (0.39 in) or more of precipitation in 68 years, most in 1950 with 57.
Cairo River: days with 25 mm (0.98 in) or more of precipitation in 68 years, most in 1927 with 24.
Cairo River: days with 50 mm (1.97 in) or more of precipitation in 57 years, most in 1957 with 9.
Cairo River: days with 100 mm (3.94 in) or more of precipitation in 13 years, most in 1910 with 2.
5 fixed thresholds have at least one qualifying day at Cairo River.

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

68 years with a qualifying day

Days per year at Cairo River with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 57 in 1950.

Days with 10 mm (0.39 in) or more of precipitation per year at Cairo River
Year	Days	Decade average
1892	39	35.3
1893	39	35.3
1894	30	35.3
1895	34	35.3
1896	33	35.3
1897	34	35.3
1898	38	35.3
1910	32	30.8
1911	29	30.8
1912	30	30.8
1913	28	30.8
1914	23	30.8
1915	39	30.8
1916	29	30.8
1918	30	30.8
1919	37	30.8
1920	30	35.6
1921	29	35.6
1922	30	35.6
1923	42	35.6
1924	29	35.6
1925	28	35.6
1926	41	35.6
1927	51	35.6
1928	36	35.6
1929	40	35.6
1930	26	33.2
1931	35	33.2
1932	39	33.2
1933	44	33.2
1934	30	33.2
1935	36	33.2
1936	25	33.2
1937	36	33.2
1938	28	33.2
1939	33	33.2
1940	27	35.7
1941	20	35.7
1942	30	35.7
1943	25	35.7
1944	34	35.7
1945	50	35.7
1946	43	35.7
1947	37	35.7
1948	43	35.7
1949	48	35.7
1950	57	39.8
1951	47	39.8
1952	36	39.8
1953	32	39.8
1954	36	39.8
1955	32	39.8
1956	30	39.8
1957	47	39.8
1958	36	39.8
1959	45	39.8
1960	33	37.6
1961	50	37.6
1962	46	37.6
1963	27	37.6
1964	35	37.6
1965	36	37.6
1966	39	37.6
1967	38	37.6
1969	34	37.6
1970	41	39.7
1971	30	39.7
1972	48	39.7

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

First to last qualifying date each year at Cairo River
Year	First date	Last date
1892	1892-01-13	1892-12-31
1893	1893-01-01	1893-12-16
1894	1894-01-21	1894-12-27
1895	1895-01-02	1895-12-30
1896	1896-01-23	1896-12-14
1897	1897-01-04	1897-12-20
1898	1898-01-06	1898-12-19
1910	1910-01-05	1910-12-30
1911	1911-01-28	1911-12-30
1912	1912-01-12	1912-12-30
1913	1913-01-06	1913-11-16
1914	1914-01-24	1914-12-29
1915	1915-01-07	1915-12-29
1916	1916-01-01	1916-12-27
1918	1918-01-06	1918-12-31
1919	1919-01-01	1919-12-13
1920	1920-01-08	1920-12-27
1921	1921-01-02	1921-12-24
1922	1922-01-11	1922-12-31
1923	1923-01-15	1923-12-22
1924	1924-01-10	1924-12-08
1925	1925-01-27	1925-11-27
1926	1926-01-03	1926-12-28
1927	1927-01-19	1927-12-29
1928	1928-01-08	1928-12-17
1929	1929-01-10	1929-12-18
1930	1930-01-02	1930-12-26
1931	1931-01-14	1931-12-31
1932	1932-01-05	1932-12-31
1933	1933-01-18	1933-12-18
1934	1934-01-05	1934-12-30
1935	1935-01-08	1935-12-08
1936	1936-01-06	1936-12-31
1937	1937-01-07	1937-12-17
1938	1938-01-21	1938-12-03
1939	1939-01-05	1939-12-27
1940	1940-01-11	1940-12-28
1941	1941-01-17	1941-12-23
1942	1942-01-01	1942-12-22
1943	1943-02-03	1943-12-26
1944	1944-01-03	1944-12-27
1945	1945-01-01	1945-12-24
1946	1946-01-08	1946-12-29
1947	1947-01-02	1947-12-16
1948	1948-01-01	1948-12-29
1949	1949-01-04	1949-12-26
1950	1950-01-03	1950-12-06
1951	1951-01-03	1951-12-26
1952	1952-01-02	1952-12-31
1953	1953-01-08	1953-12-06
1954	1954-01-10	1954-12-28
1955	1955-02-02	1955-11-19
1956	1956-01-19	1956-12-23
1957	1957-01-21	1957-12-26
1958	1958-01-14	1958-11-28
1959	1959-01-01	1959-12-28
1960	1960-01-15	1960-12-21
1961	1961-01-01	1961-12-23
1962	1962-01-06	1962-12-29
1963	1963-02-11	1963-12-23
1964	1964-01-09	1964-12-11
1965	1965-01-01	1965-12-12
1966	1966-01-01	1966-12-28
1967	1967-01-26	1967-12-22
1969	1969-01-17	1969-12-31
1970	1970-02-02	1970-12-22
1971	1971-01-04	1971-12-30
1972	1972-01-28	1972-12-31

Every Fixed Threshold

Fixed thresholds at Cairo River
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	57	1950	48
25 mm (0.98 in): Days with 25 mm or more rain	68	24	1927	20
50 mm (1.97 in): Days with 50 mm or more rain	57	9	1957	3
100 mm (3.94 in): Days with 100 mm or more rain	13	2	1910	1
10 cm (3.9 in): Days with 10 cm or more snowfall	3	4	1895	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1892.

Download the Data

Data for Cairo River 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).

Cairo River Threshold Days by Year (USC00111169)

Key Facts for Cairo River Thresholds

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

Every Fixed Threshold

Download the Data

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