Weather Records on 24 September 1971

485 weather records were set or tied worldwide on 24 September 1971. Highest significance: Lewisburg Exp STN, US.

Key Facts for 24 September 1971

On 24 September 1971, 485 weather records were set or tied at long-record stations worldwide.
57 were record highs and 184 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 11 monthly and 474 daily.
Lewisburg Exp STN set a daily record precipitation of 72.4 mm (2.9 in) on 24 September 1971.
Across 166 earlier years (1803 to 2026) the same calendar date averaged 427 records.

Record Map

485 stations

485 station records on 24 September 1971 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 24 September 1971: highest significance records shown on the map
Station	Country	Type	Value	Significance
Lewisburg Exp STN	United States	Record daily precipitation	72.4 mm (2.9 in)	61 of 100 (Major)
Sidsjo	Sweden	Record daily precipitation	41.3 mm (1.6 in)	55 of 100 (Notable)
Levelland	United States	Record daily precipitation	67.8 mm (2.7 in)	54 of 100 (Notable)
Malung	Sweden	Record daily precipitation	30.7 mm (1.2 in)	53 of 100 (Notable)
Lien I Selbu	Norway	Record daily precipitation	33.0 mm (1.3 in)	51 of 100 (Notable)
Lynnville 4 SSW	United States	Record daily precipitation	65.3 mm (2.6 in)	49 of 100 (Notable)
Oestersund-Froesoen	Sweden	Record daily precipitation	25.8 mm (1.0 in)	43 of 100 (Notable)
E Lawai 934	United States	Record daily precipitation	61.7 mm (2.4 in)	42 of 100 (Notable)
Whiteriver 1 SW	United States	Record low maximum temperature	16.7 C (62.1 F)	41 of 100 (Notable)
Jena Sternwarte	Germany	Record high minimum temperature	14.1 C (57.4 F)	40 of 100 (Notable)
Post	United States	Record daily precipitation	48.0 mm (1.9 in)	40 of 100 (Notable)
Brady	United States	Record daily precipitation	116.8 mm (4.6 in)	39 of 100 (Notable)
Nornalup	Australia	Record daily precipitation	30.7 mm (1.2 in)	38 of 100 (Notable)
Galway	Ireland	Record low maximum temperature	11.0 C (51.8 F)	38 of 100 (Notable)
Magella	United States	Record daily precipitation	45.7 mm (1.8 in)	37 of 100 (Notable)
Las Vegas 2 NW	United States	Record low maximum temperature	11.7 C (53.1 F)	36 of 100 (Notable)
Bridgetown Comparison	Australia	Record low maximum temperature	9.9 C (49.8 F)	35 of 100 (Notable)
Donnybrook	Australia	Record low maximum temperature	10.7 C (51.3 F)	35 of 100 (Notable)
Barcelona/Aeropuerto	Spain	Record daily precipitation	77.0 mm (3.0 in)	35 of 100 (Notable)
Plainview	United States	Record low maximum temperature	10.6 C (51.1 F)	35 of 100 (Notable)
Tahoka	United States	Record daily precipitation	46.5 mm (1.8 in)	35 of 100 (Notable)
Tampico	United States	Record daily precipitation	47.0 mm (1.9 in)	35 of 100 (Notable)
Ariri	Brazil	Record daily precipitation	47.6 mm (1.9 in)	34 of 100 (Routine)
Cape Leeuwin	Australia	Record low maximum temperature	11.7 C (53.1 F)	33 of 100 (Routine)
Alicante	Spain	Record daily precipitation	54.0 mm (2.1 in)	33 of 100 (Routine)
Prattville	United States	Record high minimum temperature	26.1 C (79.0 F)	33 of 100 (Routine)
Nuuanu Rsch 4 783	United States	Record daily precipitation	68.1 mm (2.7 in)	33 of 100 (Routine)
Crosbyton	United States	Record low maximum temperature	12.2 C (54.0 F)	32 of 100 (Routine)
Gainesville	United States	Record low maximum temperature	18.3 C (64.9 F)	32 of 100 (Routine)
Perth Regional Office	Australia	Record low maximum temperature	13.2 C (55.8 F)	31 of 100 (Routine)
Southern Cross	Australia	Record low maximum temperature	12.2 C (54.0 F)	31 of 100 (Routine)
Wheaton 3 SE	United States	Record low minimum temperature	0.0 C (32.0 F)	31 of 100 (Routine)
Valmora	United States	Record low maximum temperature	11.1 C (52.0 F)	31 of 100 (Routine)
Albany	United States	Record daily precipitation	37.8 mm (1.5 in)	31 of 100 (Routine)
Hereford	United States	Record low maximum temperature	10.0 C (50.0 F)	31 of 100 (Routine)
Snyder	United States	Record low maximum temperature	13.3 C (55.9 F)	31 of 100 (Routine)
Boulia Airport	Australia	Record high maximum temperature	39.9 C (103.8 F)	30 of 100 (Routine)
Ribeirao Do Sul	Brazil	Record daily precipitation	38.4 mm (1.5 in)	30 of 100 (Routine)
Magdeburg	Germany	Record high minimum temperature	14.8 C (58.6 F)	30 of 100 (Routine)
Clovis	United States	Record low maximum temperature	10.0 C (50.0 F)	30 of 100 (Routine)
Quanah 2 SW	United States	Record low maximum temperature	13.9 C (57.0 F)	30 of 100 (Routine)
Tahoka	United States	Record low maximum temperature	11.1 C (52.0 F)	30 of 100 (Routine)
Wahiawa Dam 863	United States	Record daily precipitation	53.1 mm (2.1 in)	30 of 100 (Routine)
Mount Barker	Australia	Record low maximum temperature	8.3 C (46.9 F)	29 of 100 (Routine)
Silverton	United States	Record daily precipitation	53.3 mm (2.1 in)	29 of 100 (Routine)
Clarendon	United States	Record daily precipitation	41.7 mm (1.6 in)	29 of 100 (Routine)
Narrogin	Australia	Record low maximum temperature	8.8 C (47.8 F)	28 of 100 (Routine)
Ostas I Hegra	Norway	Record daily precipitation	28.5 mm (1.1 in)	28 of 100 (Routine)
Tatarsk	Russia	Record high maximum temperature	27.6 C (81.7 F)	28 of 100 (Routine)
Santa Paula	United States	Record low minimum temperature	6.1 C (43.0 F)	28 of 100 (Routine)
Munday	United States	Record low maximum temperature	16.1 C (61.0 F)	28 of 100 (Routine)
Wooroloo	Australia	Record daily precipitation	31.8 mm (1.3 in)	27 of 100 (Routine)
Potsdam	Germany	Record high minimum temperature	14.2 C (57.6 F)	27 of 100 (Routine)
Laguna	United States	Record low maximum temperature	11.1 C (52.0 F)	27 of 100 (Routine)
Santa Fe	United States	Record low maximum temperature	13.3 C (55.9 F)	27 of 100 (Routine)
Graham	United States	Record low maximum temperature	17.8 C (64.0 F)	27 of 100 (Routine)
Seminole	United States	Record low maximum temperature	12.8 C (55.0 F)	27 of 100 (Routine)
Barretos	Brazil	Record daily precipitation	28.5 mm (1.1 in)	26 of 100 (Routine)
Kandalaksa	Russia	Record low minimum temperature	-5.9 C (21.4 F)	26 of 100 (Routine)
Omsk	Russia	Record high maximum temperature	30.7 C (87.3 F)	26 of 100 (Routine)

Counts by Type and Timescale

485 records

Records set or tied on 24 September 1971 by type: Highest daily maximum 20, Lowest daily maximum 132, Highest daily minimum 37, Lowest daily minimum 52, Heaviest daily rainfall 242, Deepest snow cover 2.

Records on 24 September 1971 by type
Record type	Records
Highest daily maximum	20
Lowest daily maximum	132
Highest daily minimum	37
Lowest daily minimum	52
Heaviest daily rainfall	242
Heaviest daily snowfall	0
Deepest snow cover	2

Records on 24 September 1971 by timescale: all-time 0, monthly 11, daily 474.

How Much Records Were Beaten By

413 broken records

Margins by which the 413 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 59.7. Ties are not counted.

Top 20 by Significance

24 September 1971

Top 20 records on 24 September 1971 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
24 September 1971	Lewisburg Exp STN, US	daily rain	72.4 mm (2.9 in)	49.8 mm (2.0 in)	68 years	61 of 100 (Major)
24 September 1971	Sidsjo, SE	daily rain	41.3 mm (1.6 in)	32.3 mm (1.3 in)	37 years	55 of 100 (Notable)
24 September 1971	Levelland, US	daily rain	67.8 mm (2.7 in)	59.7 mm (2.4 in)	36 years	54 of 100 (Notable)
24 September 1971	Malung, SE	daily rain	30.7 mm (1.2 in)	11.7 mm (0.5 in)	91 years	53 of 100 (Notable)
24 September 1971	Lien I Selbu, NO	daily rain	33.0 mm (1.3 in)	16.0 mm (0.6 in)	56 years	51 of 100 (Notable)
24 September 1971	Lynnville 4 SSW, US	daily rain	65.3 mm (2.6 in)	36.1 mm (1.4 in)	68 years	49 of 100 (Notable)
24 September 1971	Oestersund-Froesoen, SE	daily rain	25.8 mm (1.0 in)	5.3 mm (0.21 in)	78 years	43 of 100 (Notable)
24 September 1971	E Lawai 934, US	daily rain	61.7 mm (2.4 in)	18.0 mm (0.7 in)	60 years	42 of 100 (Notable)
24 September 1971	Whiteriver 1 SW, US	daily low max	16.7 C (62.1 F)	4.4 C (7.9 F)	70 years	41 of 100 (Notable)
24 September 1971	Jena Sternwarte, DE	daily high min	14.1 C (57.4 F)	0.2 C (0.4 F)	132 years	40 of 100 (Notable)
24 September 1971	Post, US	daily rain	48.0 mm (1.9 in)	34.8 mm (1.4 in)	36 years	40 of 100 (Notable)
24 September 1971	Brady, US	monthly rain	116.8 mm (4.6 in)	29.7 mm (1.2 in)	19 years	39 of 100 (Notable)
24 September 1971	Nornalup, AU	daily rain	30.7 mm (1.2 in)	13.9 mm (0.5 in)	57 years	38 of 100 (Notable)
24 September 1971	Galway, IE	daily low max	11.0 C (51.8 F)	0.7 C (1.3 F)	84 years	38 of 100 (Notable)
24 September 1971	Magella, US	daily rain	45.7 mm (1.8 in)	43.2 mm (1.7 in)	24 years	37 of 100 (Notable)
24 September 1971	Las Vegas 2 NW, US	daily low max	11.7 C (53.1 F)	4.4 C (7.9 F)	57 years	36 of 100 (Notable)
24 September 1971	Bridgetown Comparison, AU	monthly low max	9.9 C (49.8 F)	0.1 C (0.2 F)	64 years	35 of 100 (Notable)
24 September 1971	Donnybrook, AU	monthly low max	10.7 C (51.3 F)	0.1 C (0.2 F)	64 years	35 of 100 (Notable)
24 September 1971	Barcelona/Aeropuerto, ES	daily rain	77.0 mm (3.0 in)	53.0 mm (2.1 in)	26 years	35 of 100 (Notable)
24 September 1971	Plainview, US	daily low max	10.6 C (51.1 F)	6.6 C (11.9 F)	52 years	35 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

1803 to 1971

Records set or tied on this calendar date in each year from 1803 to 1971. 1971 had 485 records.

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

Records on 09-24 in each year
Year	Records
1803	1
1835	1
1836	1
1842	1
1847	1
1852	2
1854	2
1857	2
1858	1
1859	1
1860	1
1863	1
1864	1
1865	1
1866	1
1867	2
1868	1
1870	3
1871	1
1872	1
1873	1
1874	2
1875	2
1876	1
1877	3
1878	2
1881	5
1884	1
1885	2
1887	1
1889	5
1890	1
1891	2
1892	5
1893	1
1894	2
1895	7
1896	2
1898	1
1899	4
1900	5
1901	3
1902	10
1903	8
1904	9
1905	7
1906	5
1907	20
1908	23
1909	31
1910	8
1911	11
1912	49
1913	9
1914	23
1915	159
1916	253
1917	87
1918	7
1919	26
1920	69
1921	23
1922	49
1923	70
1924	175
1925	146
1926	630
1927	194
1928	603
1929	137
1930	488
1931	463
1932	354
1933	424
1934	367
1935	449
1936	329
1937	237
1938	355
1939	331
1940	319
1941	319
1942	918
1943	413
1944	334
1945	475
1946	425
1947	704
1948	422
1949	554
1950	778
1951	580
1952	425
1953	346
1954	269
1955	577
1956	427
1957	370
1958	725
1959	414
1960	487
1961	680
1962	360
1963	715
1964	329
1965	624
1966	410
1967	394
1968	433
1969	278
1970	1,046
1971	485
1972	480
1973	1,208
1974	1,204
1975	1,116
1976	556
1977	814
1978	619
1979	577
1980	633
1981	604
1982	702
1983	1,128
1984	1,565
1985	771
1986	1,207
1987	729
1988	740
1989	1,668
1990	969
1991	519
1992	1,250
1993	1,055
1994	842
1995	1,251
1996	676
1997	1,238
1998	945
1999	933
2000	1,966
2001	1,097
2002	885
2003	863
2004	600
2005	1,256
2006	1,306
2007	1,244
2008	633
2009	866
2010	1,340
2011	770
2012	545
2013	514
2014	764
2015	770
2016	732
2017	1,402
2018	497
2019	516
2020	754
2021	457
2022	395
2023	689
2024	778
2025	576
2026	389

Download the Data

Data for records on 1971-09-24: 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 2026-10-17 (17 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-16. Last revised 16 October 2026 (2026-10-16).

Margin	Records
0 to 10	362
10 to 20	29
20 to 30	8
30 to 40	9
40 to 50	3
50 to 60	2