Weather Records on 21 September 1972

599 weather records were set or tied worldwide on 21 September 1972. Highest significance: Madrid - Retiro, ES.

Key Facts for 21 September 1972

On 21 September 1972, 599 weather records were set or tied at long-record stations worldwide.
37 were record highs and 238 were record lows, counting maximum and minimum temperature.
By timescale, 3 were all-time records, 22 monthly and 574 daily.
Madrid - Retiro set an all-time record daily precipitation of 87.0 mm (3.4 in) on 21 September 1972.
Across 155 earlier years (1805 to 2026) the same calendar date averaged 450 records.

Record Map

599 stations

599 station records on 21 September 1972 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 September 1972: highest significance records shown on the map
Station	Country	Type	Value	Significance
Madrid - Retiro	Spain	Record daily precipitation	87.0 mm (3.4 in)	61 of 100 (Major)
Darrington Rs	United States	Record daily precipitation	82.8 mm (3.3 in)	59 of 100 (Notable)
Moose Lake 1 SSE	United States	Record daily precipitation	55.4 mm (2.2 in)	58 of 100 (Notable)
Kent	United States	Record daily precipitation	38.9 mm (1.5 in)	58 of 100 (Notable)
Wind River	United States	Record daily precipitation	76.7 mm (3.0 in)	56 of 100 (Notable)
Estacada 2 SE	United States	Record daily precipitation	46.7 mm (1.8 in)	55 of 100 (Notable)
Newport News Press Bld	United States	Record daily precipitation	209.6 mm (8.3 in)	55 of 100 (Notable)
Grapeview 3 SW	United States	Record daily precipitation	51.1 mm (2.0 in)	55 of 100 (Notable)
Timber	United States	Record daily precipitation	52.1 mm (2.1 in)	52 of 100 (Notable)
Buckley 1 NE	United States	Record daily precipitation	38.6 mm (1.5 in)	51 of 100 (Notable)
Mazama 6 SE	United States	Record daily precipitation	28.2 mm (1.1 in)	51 of 100 (Notable)
Mineral	United States	Record daily precipitation	54.4 mm (2.1 in)	51 of 100 (Notable)
Cloverdale	United States	Record daily precipitation	58.9 mm (2.3 in)	50 of 100 (Notable)
Willapa Harbor	United States	Record daily precipitation	60.7 mm (2.4 in)	50 of 100 (Notable)
Fort St John A	Canada	Record daily snowfall	18.5 cm (7.3 in)	48 of 100 (Notable)
San Juan del Rio	Mexico	Record daily precipitation	53.3 mm (2.1 in)	48 of 100 (Notable)
Naselle 2 ENE	United States	Record daily precipitation	78.0 mm (3.1 in)	48 of 100 (Notable)
Seattle Urban Site	United States	Record daily precipitation	40.1 mm (1.6 in)	48 of 100 (Notable)
Clearwater	United States	Record daily precipitation	86.4 mm (3.4 in)	45 of 100 (Notable)
Bingil Bay	Australia	Record daily precipitation	50.8 mm (2.0 in)	44 of 100 (Notable)
Astor Exp STN	United States	Record daily precipitation	50.5 mm (2.0 in)	44 of 100 (Notable)
Stamford 1	United States	Record daily precipitation	72.6 mm (2.9 in)	44 of 100 (Notable)
Everett	United States	Record daily precipitation	30.5 mm (1.2 in)	44 of 100 (Notable)
Shelton	United States	Record daily precipitation	70.4 mm (2.8 in)	44 of 100 (Notable)
Hope A	Canada	Record daily precipitation	43.2 mm (1.7 in)	43 of 100 (Notable)
Fort Vermilion Cda	Canada	Record daily snowfall	9.4 cm (3.7 in)	43 of 100 (Notable)
Puyallup 2 W Exp STN	United States	Record daily precipitation	31.8 mm (1.3 in)	43 of 100 (Notable)
Seattle UNIV of Washin	United States	Record daily precipitation	45.2 mm (1.8 in)	43 of 100 (Notable)
Caruaru	Brazil	Record daily precipitation	50.0 mm (2.0 in)	42 of 100 (Notable)
Willamina	United States	Record daily precipitation	31.5 mm (1.2 in)	42 of 100 (Notable)
Fort Nelson A	Canada	Record daily snowfall	15.2 cm (6.0 in)	41 of 100 (Notable)
Plaatjies Kraal	South Africa	Record daily precipitation	33.0 mm (1.3 in)	41 of 100 (Notable)
Oregon City	United States	Record daily precipitation	30.7 mm (1.2 in)	41 of 100 (Notable)
Karlshamn	Sweden	Record daily precipitation	29.0 mm (1.1 in)	40 of 100 (Notable)
Valsetz	United States	Record daily precipitation	61.0 mm (2.4 in)	40 of 100 (Notable)
Longview	United States	Record daily precipitation	29.2 mm (1.1 in)	40 of 100 (Notable)
McMillin Rsvr	United States	Record daily precipitation	29.2 mm (1.1 in)	40 of 100 (Notable)
Monroe	United States	Record daily precipitation	42.9 mm (1.7 in)	40 of 100 (Notable)
Balmorhea	United States	Record daily precipitation	36.3 mm (1.4 in)	39 of 100 (Notable)
Menard	United States	Record daily precipitation	69.9 mm (2.8 in)	39 of 100 (Notable)
Landsburg	United States	Record daily precipitation	34.3 mm (1.4 in)	39 of 100 (Notable)
Oakville	United States	Record daily precipitation	57.2 mm (2.3 in)	39 of 100 (Notable)
Marianna 2 S	United States	Record daily precipitation	79.8 mm (3.1 in)	38 of 100 (Notable)
David City 4E	United States	Record daily precipitation	64.8 mm (2.6 in)	38 of 100 (Notable)
Silver Creek Falls	United States	Record daily precipitation	43.7 mm (1.7 in)	38 of 100 (Notable)
Cushman Dam	United States	Record daily precipitation	94.0 mm (3.7 in)	38 of 100 (Notable)
Wauna 3 W	United States	Record daily precipitation	48.8 mm (1.9 in)	38 of 100 (Notable)
Langley AFB	United States	Record daily precipitation	165.4 mm (6.5 in)	38 of 100 (Notable)
Regina Int'l A	Canada	Record low minimum temperature	-6.7 C (19.9 F)	37 of 100 (Notable)
Junction 4SSW	United States	Record daily precipitation	38.1 mm (1.5 in)	37 of 100 (Notable)
Concrete Ppl Fish STN	United States	Record daily precipitation	54.1 mm (2.1 in)	37 of 100 (Notable)
Longmire Rainier Nps	United States	Record daily precipitation	53.6 mm (2.1 in)	37 of 100 (Notable)
Halifax Macrossan St	Australia	Record daily precipitation	34.0 mm (1.3 in)	36 of 100 (Notable)
Tidewater	United States	Record daily precipitation	44.7 mm (1.8 in)	36 of 100 (Notable)
Mertzon	United States	Record daily precipitation	72.4 mm (2.9 in)	36 of 100 (Notable)
Spruce	United States	Record daily precipitation	71.6 mm (2.8 in)	36 of 100 (Notable)
Stehekin 4 NW	United States	Record daily precipitation	47.5 mm (1.9 in)	36 of 100 (Notable)
Eugene-Mahlon Sweet Fld	United States	Record daily precipitation	28.4 mm (1.1 in)	36 of 100 (Notable)
Macknade Sugar Mill	Australia	Record daily precipitation	29.7 mm (1.2 in)	35 of 100 (Notable)
Montemorelos	Mexico	Record daily precipitation	96.8 mm (3.8 in)	35 of 100 (Notable)

Counts by Type and Timescale

599 records

Records set or tied on 21 September 1972 by type: Highest daily maximum 20, Lowest daily maximum 128, Highest daily minimum 17, Lowest daily minimum 110, Heaviest daily rainfall 309, Heaviest daily snowfall 14, Deepest snow cover 1.

Records on 21 September 1972 by type
Record type	Records
Highest daily maximum	20
Lowest daily maximum	128
Highest daily minimum	17
Lowest daily minimum	110
Heaviest daily rainfall	309
Heaviest daily snowfall	14
Deepest snow cover	1

Records on 21 September 1972 by timescale: all-time 3, monthly 22, daily 574.

How Much Records Were Beaten By

506 broken records

Margins by which the 506 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 124.0. Ties are not counted.

Top 20 by Significance

21 September 1972

Top 20 records on 21 September 1972 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 September 1972	Madrid - Retiro, ES	all-time rain	87.0 mm (3.4 in)	23.5 mm (0.9 in)	14 years	61 of 100 (Major)
21 September 1972	Darrington Rs, US	daily rain	82.8 mm (3.3 in)	50.5 mm (2.0 in)	46 years	59 of 100 (Notable)
21 September 1972	Moose Lake 1 SSE, US	daily rain	55.4 mm (2.2 in)	40.4 mm (1.6 in)	44 years	58 of 100 (Notable)
21 September 1972	Kent, US	daily rain	38.9 mm (1.5 in)	27.5 mm (1.1 in)	51 years	58 of 100 (Notable)
21 September 1972	Wind River, US	daily rain	76.7 mm (3.0 in)	49.3 mm (1.9 in)	39 years	56 of 100 (Notable)
21 September 1972	Estacada 2 SE, US	daily rain	46.7 mm (1.8 in)	28.7 mm (1.1 in)	51 years	55 of 100 (Notable)
21 September 1972	Newport News Press Bld, US	all-time rain	209.6 mm (8.3 in)	49.6 mm (2.0 in)	8 years	55 of 100 (Notable)
21 September 1972	Grapeview 3 SW, US	daily rain	51.1 mm (2.0 in)	32.3 mm (1.3 in)	39 years	55 of 100 (Notable)
21 September 1972	Timber, US	daily rain	52.1 mm (2.1 in)	42.4 mm (1.7 in)	27 years	52 of 100 (Notable)
21 September 1972	Buckley 1 NE, US	daily rain	38.6 mm (1.5 in)	24.1 mm (0.9 in)	52 years	51 of 100 (Notable)
21 September 1972	Mazama 6 SE, US	daily rain	28.2 mm (1.1 in)	26.9 mm (1.1 in)	27 years	51 of 100 (Notable)
21 September 1972	Mineral, US	daily rain	54.4 mm (2.1 in)	47.5 mm (1.9 in)	27 years	51 of 100 (Notable)
21 September 1972	Cloverdale, US	daily rain	58.9 mm (2.3 in)	47.7 mm (1.9 in)	27 years	50 of 100 (Notable)
21 September 1972	Willapa Harbor, US	daily rain	60.7 mm (2.4 in)	22.6 mm (0.9 in)	73 years	50 of 100 (Notable)
21 September 1972	Fort St John A, CA	monthly snowfall	18.5 cm (7.3 in)	8.3 cm (3.3 in)	15 years	48 of 100 (Notable)
21 September 1972	San Juan del Rio, MX	daily rain	53.3 mm (2.1 in)	39.3 mm (1.5 in)	31 years	48 of 100 (Notable)
21 September 1972	Naselle 2 ENE, US	daily rain	78.0 mm (3.1 in)	51.6 mm (2.0 in)	24 years	48 of 100 (Notable)
21 September 1972	Seattle Urban Site, US	daily rain	40.1 mm (1.6 in)	13.7 mm (0.5 in)	69 years	48 of 100 (Notable)
21 September 1972	Clearwater, US	daily rain	86.4 mm (3.4 in)	28.0 mm (1.1 in)	73 years	45 of 100 (Notable)
21 September 1972	Bingil Bay, AU	daily rain	50.8 mm (2.0 in)	31.2 mm (1.2 in)	43 years	44 of 100 (Notable)

Significance is a score from 0 to 100 combining margin, the age of the old record and the length of the station's record. How it is computed.

The Same Date in Other Years

1805 to 1972

Records set or tied on this calendar date in each year from 1805 to 1972. 1972 had 599 records.

Counts for years before the ledger starts come from the same station rules.

Records on 09-21 in each year
Year	Records
1805	1
1812	1
1825	2
1840	1
1841	1
1842	1
1848	1
1854	1
1856	2
1868	1
1872	2
1873	1
1877	1
1878	1
1881	1
1882	1
1884	1
1886	1
1888	2
1889	1
1891	10
1892	1
1893	10
1894	2
1895	3
1896	2
1897	6
1898	6
1899	3
1900	2
1901	5
1902	5
1903	8
1904	20
1905	12
1906	17
1907	10
1908	17
1909	10
1910	8
1911	18
1912	26
1913	37
1914	29
1915	34
1916	48
1917	28
1918	43
1919	54
1920	29
1921	64
1922	35
1923	232
1924	291
1925	278
1926	178
1927	165
1928	81
1929	232
1930	82
1931	681
1932	242
1933	193
1934	492
1935	199
1936	329
1937	487
1938	508
1939	308
1940	908
1941	416
1942	291
1943	407
1944	413
1945	507
1946	176
1947	534
1948	301
1949	298
1950	334
1951	241
1952	430
1953	382
1954	453
1955	752
1956	1,100
1957	366
1958	588
1959	513
1960	418
1961	441
1962	1,085
1963	306
1964	374
1965	1,088
1966	565
1967	577
1968	790
1969	593
1970	708
1971	645
1972	599
1973	421
1974	652
1975	528
1976	694
1977	918
1978	818
1979	736
1980	990
1981	696
1982	1,484
1983	2,207
1984	707
1985	796
1986	671
1987	965
1988	557
1989	1,002
1990	716
1991	1,021
1992	752
1993	911
1994	713
1995	2,002
1996	1,233
1997	1,112
1998	1,481
1999	1,025
2000	884
2001	718
2002	696
2003	959
2004	888
2005	1,143
2006	920
2007	742
2008	740
2009	715
2010	1,290
2011	542
2012	595
2013	769
2014	716
2015	565
2016	989
2017	1,178
2018	1,051
2019	833
2020	580
2021	465
2022	1,049
2023	783
2024	470
2025	588
2026	469

Download the Data

Data for records on 1972-09-21: CSV or JSON. Field meanings are on the data page.

Sources: 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)) Made with Natural Earth. Public domain map data. Borders are Natural Earth's de facto depiction. Data as of 2026-10-14 (14 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Margin	Records
0 to 20	435
20 to 40	51
40 to 60	14
60 to 80	2
80 to 100	3
100 to 120	0
120 to 140	1