Weather Records on 24 September 1976

556 weather records were set or tied worldwide on 24 September 1976. Highest significance: Airi (Rochedo), BR.

Key Facts for 24 September 1976

On 24 September 1976, 556 weather records were set or tied at long-record stations worldwide.
91 were record highs and 237 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 16 monthly and 539 daily.
Airi (Rochedo) set a monthly record daily precipitation of 55.2 mm (2.2 in) on 24 September 1976.
Across 166 earlier years (1803 to 2026) the same calendar date averaged 427 records.

Record Map

556 stations

556 station records on 24 September 1976 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 24 September 1976: highest significance records shown on the map
Station	Country	Type	Value	Significance
Airi (Rochedo)	Brazil	Record daily precipitation	55.2 mm (2.2 in)	56 of 100 (Notable)
Nova Olinda (Andreza)	Brazil	Record daily precipitation	62.1 mm (2.4 in)	55 of 100 (Notable)
Casa Grande	United States	Record daily precipitation	40.4 mm (1.6 in)	53 of 100 (Notable)
Hayfield Pumping Plt	United States	Record daily precipitation	98.3 mm (3.9 in)	48 of 100 (Notable)
Carnarvon	South Africa	Record daily precipitation	28.0 mm (1.1 in)	47 of 100 (Notable)
Nanuque-Montante	Brazil	Record daily precipitation	54.2 mm (2.1 in)	46 of 100 (Notable)
Snow Creek Upper	United States	Record daily precipitation	54.1 mm (2.1 in)	46 of 100 (Notable)
Gila Bend 2SE	United States	Record daily precipitation	43.7 mm (1.7 in)	45 of 100 (Notable)
Malvern	United Kingdom	Record daily precipitation	37.0 mm (1.5 in)	44 of 100 (Notable)
Helvecia (Efbm)	Brazil	Record daily precipitation	40.2 mm (1.6 in)	43 of 100 (Notable)
Malta	Brazil	Record daily precipitation	27.1 mm (1.1 in)	43 of 100 (Notable)
Eagle Mtn	United States	Record daily precipitation	50.8 mm (2.0 in)	43 of 100 (Notable)
Cambridge Galt Moe	Canada	Record low maximum temperature	12.8 C (55.0 F)	40 of 100 (Notable)
Desoto City 8 SW	United States	Record daily precipitation	78.0 mm (3.1 in)	38 of 100 (Notable)
Bainbridge	United States	Record daily precipitation	71.9 mm (2.8 in)	37 of 100 (Notable)
Pine River 3 NE	United States	Record low minimum temperature	-5.6 C (21.9 F)	37 of 100 (Notable)
Tashkent	Uzbekistan	Record high minimum temperature	18.5 C (65.3 F)	37 of 100 (Notable)
Congonhas-Montante	Brazil	Record daily precipitation	43.6 mm (1.7 in)	36 of 100 (Notable)
Tucson WFO	United States	Record low maximum temperature	23.3 C (73.9 F)	36 of 100 (Notable)
Mt Carroll	United States	Record low minimum temperature	-5.0 C (23.0 F)	36 of 100 (Notable)
Acaiaca-Jusante	Brazil	Record daily precipitation	34.2 mm (1.3 in)	35 of 100 (Notable)
Coloso	Puerto Rico [United States]	Record low minimum temperature	17.2 C (63.0 F)	35 of 100 (Notable)
Holbrook	United States	Record low maximum temperature	19.4 C (66.9 F)	35 of 100 (Notable)
Kelvin	United States	Record daily precipitation	45.7 mm (1.8 in)	35 of 100 (Notable)
Adrian 2 NNE	United States	Record low minimum temperature	-1.1 C (30.0 F)	35 of 100 (Notable)
Janesville	United States	Record low minimum temperature	-1.1 C (30.0 F)	35 of 100 (Notable)
Viroqua	United States	Record low minimum temperature	-3.3 C (26.1 F)	35 of 100 (Notable)
Niland	United States	Record daily precipitation	54.6 mm (2.1 in)	34 of 100 (Routine)
Evart	United States	Record low minimum temperature	-3.9 C (25.0 F)	34 of 100 (Routine)
Prairie du Chien	United States	Record low minimum temperature	-2.2 C (28.0 F)	34 of 100 (Routine)
Buxton	United Kingdom	Record daily precipitation	46.4 mm (1.8 in)	33 of 100 (Routine)
Farmington 3NW	United States	Record low minimum temperature	-0.6 C (30.9 F)	33 of 100 (Routine)
Milaca	United States	Record low minimum temperature	-3.9 C (25.0 F)	33 of 100 (Routine)
Sparta	United States	Record low minimum temperature	-3.9 C (25.0 F)	33 of 100 (Routine)
Waupaca	United States	Record low minimum temperature	-2.2 C (28.0 F)	33 of 100 (Routine)
Sheffield	United Kingdom	Record daily precipitation	34.4 mm (1.4 in)	32 of 100 (Routine)
Winkelman 6 S	United States	Record low maximum temperature	23.3 C (73.9 F)	32 of 100 (Routine)
Tempe	United States	Record daily precipitation	31.5 mm (1.2 in)	31 of 100 (Routine)
Faribault	United States	Record low minimum temperature	-1.7 C (28.9 F)	31 of 100 (Routine)
Boutilimit	Mauritania	Record daily precipitation	37.7 mm (1.5 in)	30 of 100 (Routine)
Ojo de Agua	Mexico	Record low minimum temperature	7.8 C (46.0 F)	30 of 100 (Routine)
Ulan-Ude	Russia	Record high minimum temperature	9.5 C (49.1 F)	30 of 100 (Routine)
Charles City	United States	Record low minimum temperature	-0.6 C (30.9 F)	30 of 100 (Routine)
Laguna	United States	Record high minimum temperature	14.4 C (57.9 F)	30 of 100 (Routine)
Fazenda Paraiso	Brazil	Record daily precipitation	32.4 mm (1.3 in)	29 of 100 (Routine)
Valladolid (Villanubla)	Spain	Record daily precipitation	57.4 mm (2.3 in)	29 of 100 (Routine)
Dodgeville Wwtp	United States	Record low minimum temperature	-1.1 C (30.0 F)	29 of 100 (Routine)
Nome AP	United States	Record high maximum temperature	16.1 C (61.0 F)	28 of 100 (Routine)
Tantoyuca	Mexico	Record high maximum temperature	41.7 C (107.1 F)	27 of 100 (Routine)
Lisboa Geofisica	Portugal	Record daily precipitation	53.7 mm (2.1 in)	27 of 100 (Routine)
Kjahta	Russia	Record high minimum temperature	9.4 C (48.9 F)	27 of 100 (Routine)
Scottsboro	United States	Record low minimum temperature	5.6 C (42.1 F)	27 of 100 (Routine)
Litchfield Park	United States	Record low maximum temperature	27.2 C (81.0 F)	27 of 100 (Routine)
Madison	United States	Record daily precipitation	91.4 mm (3.6 in)	27 of 100 (Routine)
Valparaiso	United States	Record daily precipitation	50.8 mm (2.0 in)	27 of 100 (Routine)
Louisburg	United States	Record low minimum temperature	1.7 C (35.1 F)	27 of 100 (Routine)
El Oregano	Mexico	Record low maximum temperature	30.0 C (86.0 F)	26 of 100 (Routine)
Gila Bend 2SE	United States	Record low maximum temperature	30.0 C (86.0 F)	26 of 100 (Routine)
Williams	United States	Record low maximum temperature	15.6 C (60.1 F)	26 of 100 (Routine)
E Tawas	United States	Record low minimum temperature	-3.3 C (26.1 F)	26 of 100 (Routine)

Counts by Type and Timescale

556 records

Records set or tied on 24 September 1976 by type: Highest daily maximum 23, Lowest daily maximum 63, Highest daily minimum 68, Lowest daily minimum 174, Heaviest daily rainfall 223, Heaviest daily snowfall 5.

Records on 24 September 1976 by type
Record type	Records
Highest daily maximum	23
Lowest daily maximum	63
Highest daily minimum	68
Lowest daily minimum	174
Heaviest daily rainfall	223
Heaviest daily snowfall	5
Deepest snow cover	0

Records on 24 September 1976 by timescale: all-time 1, monthly 16, daily 539.

How Much Records Were Beaten By

458 broken records

Margins by which the 458 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 61.0. Ties are not counted.

Top 20 by Significance

24 September 1976

Top 20 records on 24 September 1976 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
24 September 1976	Airi (Rochedo), BR	monthly rain	55.2 mm (2.2 in)	25.2 mm (1.0 in)	9 years	56 of 100 (Notable)
24 September 1976	Nova Olinda (Andreza), BR	monthly rain	62.1 mm (2.4 in)	41.8 mm (1.6 in)	5 years	55 of 100 (Notable)
24 September 1976	Casa Grande, US	daily rain	40.4 mm (1.6 in)	37.1 mm (1.5 in)	47 years	53 of 100 (Notable)
24 September 1976	Hayfield Pumping Plt, US	all-time rain	98.3 mm (3.9 in)	20.8 mm (0.8 in)	37 years	48 of 100 (Notable)
24 September 1976	Carnarvon, ZA	daily rain	28.0 mm (1.1 in)	28.0 mm (1.1 in)	45 years	47 of 100 (Notable)
24 September 1976	Nanuque-Montante, BR	daily rain	54.2 mm (2.1 in)	41.4 mm (1.6 in)	12 years	46 of 100 (Notable)
24 September 1976	Snow Creek Upper, US	daily rain	54.1 mm (2.1 in)	49.5 mm (1.9 in)	12 years	46 of 100 (Notable)
24 September 1976	Gila Bend 2SE, US	daily rain	43.7 mm (1.7 in)	27.4 mm (1.1 in)	41 years	45 of 100 (Notable)
24 September 1976	Malvern, GB	daily rain	37.0 mm (1.5 in)	19.2 mm (0.8 in)	19 years	44 of 100 (Notable)
24 September 1976	Helvecia (Efbm), BR	daily rain	40.2 mm (1.6 in)	31.6 mm (1.2 in)	14 years	43 of 100 (Notable)
24 September 1976	Malta, BR	daily rain	27.1 mm (1.1 in)	25.6 mm (1.0 in)	45 years	43 of 100 (Notable)
24 September 1976	Eagle Mtn, US	daily rain	50.8 mm (2.0 in)	40.9 mm (1.6 in)	37 years	43 of 100 (Notable)
24 September 1976	Cambridge Galt Moe, CA	daily low max	12.8 C (55.0 F)	1.1 C (2.0 F)	96 years	40 of 100 (Notable)
24 September 1976	Desoto City 8 SW, US	daily rain	78.0 mm (3.1 in)	48.8 mm (1.9 in)	48 years	38 of 100 (Notable)
24 September 1976	Bainbridge, US	daily rain	71.9 mm (2.8 in)	21.1 mm (0.8 in)	64 years	37 of 100 (Notable)
24 September 1976	Pine River 3 NE, US	daily low min	-5.6 C (21.9 F)	4.5 C (8.1 F)	73 years	37 of 100 (Notable)
24 September 1976	Tashkent, UZ	daily high min	18.5 C (65.3 F)	0.1 C (0.2 F)	94 years	37 of 100 (Notable)
24 September 1976	Congonhas-Montante, BR	daily rain	43.6 mm (1.7 in)	25.8 mm (1.0 in)	34 years	36 of 100 (Notable)
24 September 1976	Tucson WFO, US	daily low max	23.3 C (73.9 F)	4.5 C (8.1 F)	47 years	36 of 100 (Notable)
24 September 1976	Mt Carroll, US	daily low min	-5.0 C (23.0 F)	3.9 C (7.0 F)	73 years	36 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 1976

Records set or tied on this calendar date in each year from 1803 to 1976. 1976 had 556 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 1976-09-24: 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	397
10 to 20	34
20 to 30	15
30 to 40	5
40 to 50	5
50 to 60	1
60 to 70	1