Concordia Threshold Days by Year (USC00231837)

7 fixed thresholds counted per year at Concordia (USC00231837): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Concordia Thresholds

Concordia: days with 10 mm (0.39 in) or more of precipitation in 103 years, most in 1973 with 51.
Concordia: days with 25 mm (0.98 in) or more of precipitation in 103 years, most in 2008 with 23.
Concordia: days with 50 mm (1.97 in) or more of precipitation in 95 years, most in 1961 with 9.
Concordia: days with 10 cm (3.9 in) or more of snowfall in 57 years, most in 1940 with 5.
7 fixed thresholds have at least one qualifying day at Concordia.

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

103 years with a qualifying day

Days per year at Concordia with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 51 in 1973.

Days with 10 mm (0.39 in) or more of precipitation per year at Concordia
Year	Days	Decade average
1893	29	26.4
1894	23	26.4
1895	30	26.4
1896	25	26.4
1897	25	26.4
1924	34	36.3
1925	41	36.3
1926	37	36.3
1927	38	36.3
1928	32	36.3
1929	36	36.3
1930	20	27.3
1932	27	27.3
1933	27	27.3
1935	39	27.3
1936	20	27.3
1937	25	27.3
1938	35	27.3
1939	25	27.3
1940	26	32.9
1941	36	32.9
1943	32	32.9
1944	31	32.9
1945	37	32.9
1946	25	32.9
1947	37	32.9
1948	33	32.9
1949	39	32.9
1950	23	29.2
1951	49	29.2
1952	35	29.2
1953	21	29.2
1954	29	29.2
1955	23	29.2
1956	16	29.2
1957	33	29.2
1958	33	29.2
1959	30	29.2
1960	33	33.4
1961	45	33.4
1962	27	33.4
1963	29	33.4
1964	35	33.4
1965	33	33.4
1966	21	33.4
1967	39	33.4
1968	31	33.4
1969	41	33.4
1970	28	30.4
1971	31	30.4
1972	27	30.4
1973	51	30.4
1974	34	30.4
1975	28	30.4
1976	18	30.4
1977	29	30.4
1978	30	30.4
1979	28	30.4
1980	20	30.9
1981	35	30.9
1982	35	30.9
1983	36	30.9
1984	31	30.9
1985	43	30.9
1986	28	30.9
1987	29	30.9
1988	24	30.9
1989	28	30.9
1990	33	35
1991	29	35
1992	34	35
1993	45	35
1994	37	35
1995	38	35
1996	31	35
1997	36	35
1998	38	35
1999	29	35
2000	26	33
2001	35	33
2002	27	33
2003	34	33
2004	35	33
2005	28	33
2006	30	33
2007	33	33
2008	39	33
2009	43	33
2010	30	31.6
2012	20	31.6
2013	34	31.6
2014	31	31.6
2015	43	31.6
2016	29	31.6
2017	29	31.6
2018	27	31.6
2019	41	31.6
2020	41	31.8
2021	35	31.8
2022	24	31.8
2023	27	31.8
2024	35	31.8
2026	29	31.8

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

First to last qualifying date each year at Concordia
Year	First date	Last date
1893	1893-01-28	1893-11-26
1894	1894-01-20	1894-12-01
1895	1895-01-27	1895-12-24
1896	1896-04-07	1896-12-17
1897	1897-01-03	1897-12-13
1924	1924-01-15	1924-12-04
1925	1925-01-16	1925-12-15
1926	1926-01-03	1926-12-22
1927	1927-01-13	1927-12-28
1928	1928-02-06	1928-12-17
1929	1929-01-01	1929-11-28
1930	1930-01-09	1930-12-05
1932	1932-01-05	1932-12-24
1933	1933-01-19	1933-12-19
1935	1935-01-08	1935-11-27
1936	1936-01-02	1936-12-27
1937	1937-01-08	1937-12-13
1938	1938-01-24	1938-12-03
1939	1939-01-24	1939-12-01
1940	1940-01-07	1940-12-16
1941	1941-01-01	1941-12-24
1943	1943-02-03	1943-12-10
1944	1944-02-17	1944-12-05
1945	1945-02-16	1945-12-24
1946	1946-01-05	1946-12-12
1947	1947-01-03	1947-12-04
1948	1948-01-01	1948-12-25
1949	1949-01-14	1949-12-21
1950	1950-01-02	1950-08-29
1951	1951-01-03	1951-12-03
1952	1952-02-04	1952-11-26
1953	1953-02-11	1953-12-22
1954	1954-01-27	1954-12-27
1955	1955-01-04	1955-10-06
1956	1956-02-08	1956-12-08
1957	1957-01-22	1957-12-25
1958	1958-01-21	1958-12-31
1959	1959-01-21	1959-12-28
1960	1960-01-12	1960-12-11
1961	1961-02-18	1961-12-23
1962	1962-01-06	1962-12-20
1963	1963-03-05	1963-11-22
1964	1964-01-31	1964-12-11
1965	1965-01-02	1965-12-24
1966	1966-02-11	1966-12-08
1967	1967-01-26	1967-12-10
1968	1968-02-01	1968-12-28
1969	1969-01-16	1969-12-07
1970	1970-04-01	1970-12-16
1971	1971-01-03	1971-12-30
1972	1972-03-13	1972-12-12
1973	1973-01-03	1973-12-31
1974	1974-01-10	1974-12-31
1975	1975-01-31	1975-12-15
1976	1976-01-26	1976-11-27
1977	1977-01-10	1977-12-13
1978	1978-01-16	1978-12-31
1979	1979-01-01	1979-11-21
1980	1980-01-16	1980-12-08
1981	1981-02-01	1981-12-17
1982	1982-01-04	1982-12-28
1983	1983-03-05	1983-12-11
1984	1984-02-27	1984-12-30
1985	1985-01-01	1985-12-11
1986	1986-02-04	1986-12-07
1987	1987-01-19	1987-12-27
1988	1988-01-19	1988-12-27
1989	1989-03-04	1989-10-30
1990	1990-01-17	1990-12-30
1991	1991-01-06	1991-12-20
1992	1992-03-05	1992-12-15
1993	1993-01-04	1993-12-14
1994	1994-02-20	1994-12-16
1995	1995-01-19	1995-11-05
1996	1996-01-18	1996-11-30
1997	1997-02-21	1997-12-25
1998	1998-01-07	1998-12-07
1999	1999-01-22	1999-12-09
2000	2000-02-18	2000-12-31
2001	2001-01-29	2001-12-13
2002	2002-01-30	2002-10-29
2003	2003-02-14	2003-12-28
2004	2004-01-17	2004-12-07
2005	2005-01-03	2005-11-16
2006	2006-01-28	2006-12-21
2007	2007-01-13	2007-12-12
2008	2008-01-08	2008-12-28
2009	2009-02-11	2009-12-25
2010	2010-03-21	2010-11-13
2012	2012-02-04	2012-12-20
2013	2013-01-30	2013-12-14
2014	2014-02-05	2014-12-15
2015	2015-02-01	2015-12-29
2016	2016-01-08	2016-12-05
2017	2017-01-16	2017-10-22
2018	2018-01-08	2018-12-31
2019	2019-01-01	2019-12-29
2020	2020-01-11	2020-12-30
2021	2021-01-01	2021-11-11
2022	2022-01-15	2022-12-13
2023	2023-01-19	2023-12-25
2024	2024-01-09	2024-12-15
2026	2026-01-09	2026-10-14

Every Fixed Threshold

Fixed thresholds at Concordia
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	103	51	1973	29
25 mm (0.98 in): Days with 25 mm or more rain	103	23	2008	11
50 mm (1.97 in): Days with 50 mm or more rain	95	9	1961	2
100 mm (3.94 in): Days with 100 mm or more rain	21	2	1965	1
200 mm (7.87 in): Days with 200 mm or more rain	1	1	2016	1
10 cm (3.9 in): Days with 10 cm or more snowfall	57	5	1940	1
25 cm (9.8 in): Days with 25 cm or more snowfall	3	2	1938	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1893.

Download the Data

Data for Concordia 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 2026-10-17. Last revised 17 October 2026 (2026-10-17).

Concordia Threshold Days by Year (USC00231837)

Key Facts for Concordia Thresholds

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

Every Fixed Threshold

Download the Data

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