Concordia (Bos) Threshold Days by Year (SF000300900)

5 fixed thresholds counted per year at Concordia (Bos) (SF000300900): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Concordia (Bos) Thresholds

Concordia (Bos): days with 10 mm (0.39 in) or more of precipitation in 82 years, most in 1959 with 43.
Concordia (Bos): days with 25 mm (0.98 in) or more of precipitation in 82 years, most in 1960 with 15.
Concordia (Bos): days with 50 mm (1.97 in) or more of precipitation in 55 years, most in 1981 with 8.
Concordia (Bos): days with 100 mm (3.94 in) or more of precipitation in 11 years, most in 1992 with 3.
5 fixed thresholds have at least one qualifying day at Concordia (Bos).

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

82 years with a qualifying day

Days per year at Concordia (Bos) with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 43 in 1959.

Days with 10 mm (0.39 in) or more of precipitation per year at Concordia (Bos)
Year	Days	Decade average
1911	32	29.9
1912	30	29.9
1913	20	29.9
1914	37	29.9
1915	28	29.9
1916	32	29.9
1917	37	29.9
1918	27	29.9
1919	26	29.9
1920	18	27.1
1922	38	27.1
1923	29	27.1
1924	26	27.1
1925	33	27.1
1927	16	27.1
1928	32	27.1
1929	25	27.1
1931	38	33.7
1932	41	33.7
1933	19	33.7
1934	34	33.7
1935	37	33.7
1936	38	33.7
1937	33	33.7
1938	32	33.7
1939	31	33.7
1940	40	25.7
1941	32	25.7
1942	26	25.7
1943	35	25.7
1944	21	25.7
1945	21	25.7
1946	18	25.7
1947	25	25.7
1948	22	25.7
1949	17	25.7
1950	19	30.5
1951	23	30.5
1952	29	30.5
1953	35	30.5
1954	34	30.5
1955	31	30.5
1956	32	30.5
1957	30	30.5
1958	29	30.5
1959	43	30.5
1960	25	25.4
1961	27	25.4
1962	30	25.4
1963	20	25.4
1964	28	25.4
1965	26	25.4
1966	23	25.4
1967	28	25.4
1968	27	25.4
1969	20	25.4
1970	21	25.2
1971	32	25.2
1972	19	25.2
1973	28	25.2
1974	27	25.2
1975	34	25.2
1976	29	25.2
1977	22	25.2
1978	18	25.2
1979	22	25.2
1980	33	25.7
1981	36	25.7
1982	29	25.7
1983	31	25.7
1984	27	25.7
1985	29	25.7
1986	16	25.7
1987	19	25.7
1988	15	25.7
1989	22	25.7
1990	29	25
1991	26	25
1992	29	25
1993	19	25
1994	27	25
1996	20	25

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

First to last qualifying date each year at Concordia (Bos)
Year	First date	Last date
1911	1911-01-02	1911-11-15
1912	1912-01-03	1912-12-31
1913	1913-02-10	1913-11-20
1914	1914-01-21	1914-12-21
1915	1915-01-22	1915-12-30
1916	1916-01-18	1916-12-18
1917	1917-01-05	1917-12-29
1918	1918-01-03	1918-12-24
1919	1919-01-01	1919-12-23
1920	1920-02-05	1920-11-29
1922	1922-01-08	1922-12-18
1923	1923-01-02	1923-12-16
1924	1924-01-10	1924-12-20
1925	1925-01-01	1925-12-30
1927	1927-01-05	1927-11-15
1928	1928-01-04	1928-12-22
1929	1929-03-07	1929-12-29
1931	1931-01-03	1931-12-31
1932	1932-01-01	1932-12-07
1933	1933-02-17	1933-11-26
1934	1934-01-12	1934-12-12
1935	1935-01-03	1935-12-18
1936	1936-01-01	1936-12-04
1937	1937-01-05	1937-12-16
1938	1938-01-04	1938-12-31
1939	1939-02-01	1939-12-25
1940	1940-01-14	1940-12-21
1941	1941-01-02	1941-12-31
1942	1942-01-09	1942-12-25
1943	1943-01-20	1943-12-18
1944	1944-02-21	1944-12-18
1945	1945-02-23	1945-12-26
1946	1946-01-20	1946-12-31
1947	1947-01-01	1947-11-12
1948	1948-01-11	1948-12-20
1949	1949-01-12	1949-12-19
1950	1950-03-22	1950-12-29
1951	1951-01-02	1951-10-09
1952	1952-01-01	1952-12-18
1953	1953-01-08	1953-12-22
1954	1954-01-13	1954-12-15
1955	1955-01-02	1955-12-19
1956	1956-01-26	1956-12-20
1957	1957-01-28	1957-12-21
1958	1958-01-13	1958-12-23
1959	1959-01-03	1959-12-16
1960	1960-01-03	1960-12-21
1961	1961-01-02	1961-12-05
1962	1962-01-12	1962-12-04
1963	1963-01-03	1963-12-21
1964	1964-01-07	1964-11-26
1965	1965-02-17	1965-12-17
1966	1966-01-06	1966-12-13
1967	1967-01-30	1967-12-10
1968	1968-01-04	1968-12-10
1969	1969-01-06	1969-11-20
1970	1970-01-11	1970-12-06
1971	1971-01-09	1971-12-28
1972	1972-01-09	1972-11-02
1973	1973-01-22	1973-12-08
1974	1974-01-15	1974-11-20
1975	1975-01-02	1975-12-22
1976	1976-01-25	1976-12-30
1977	1977-02-08	1977-11-30
1978	1978-02-12	1978-12-16
1979	1979-01-01	1979-11-23
1980	1980-01-04	1980-12-27
1981	1981-01-07	1981-12-29
1982	1982-01-12	1982-12-22
1983	1983-01-21	1983-12-29
1984	1984-01-02	1984-12-24
1985	1985-01-10	1985-12-19
1986	1986-01-21	1986-12-30
1987	1987-01-01	1987-12-22
1988	1988-01-03	1988-12-19
1989	1989-01-15	1989-12-13
1990	1990-01-07	1990-12-17
1991	1991-01-06	1991-12-19
1992	1992-01-09	1992-12-27
1993	1993-02-21	1993-12-08
1994	1994-01-09	1994-11-28
1996	1996-01-23	1996-12-30

Every Fixed Threshold

Fixed thresholds at Concordia (Bos)
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	82	43	1959	20
25 mm (0.98 in): Days with 25 mm or more rain	82	15	1960	14
50 mm (1.97 in): Days with 50 mm or more rain	55	8	1981	6
100 mm (3.94 in): Days with 100 mm or more rain	11	3	1992	1
200 mm (7.87 in): Days with 200 mm or more rain	2	1	1935	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1911.

Download the Data

Data for Concordia (Bos) 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).

Concordia (Bos) Threshold Days by Year (SF000300900)

Key Facts for Concordia (Bos) Thresholds

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

Every Fixed Threshold

Download the Data

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