Weather Records on 4 September 1979

461 weather records were set or tied worldwide on 4 September 1979. Highest significance: Petrun, RU.

Key Facts for 4 September 1979

On 4 September 1979, 461 weather records were set or tied at long-record stations worldwide.
147 were record highs and 91 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 11 monthly and 450 daily.
Petrun set a daily record precipitation of 30.1 mm (1.2 in) on 4 September 1979.
Across 165 earlier years (1802 to 2026) the same calendar date averaged 451 records.

Record Map

461 stations

461 station records on 4 September 1979 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 4 September 1979: highest significance records shown on the map
Station	Country	Type	Value	Significance
Petrun	Russia	Record daily precipitation	30.1 mm (1.2 in)	57 of 100 (Notable)
Nova Cruz	Brazil	Record daily precipitation	130.2 mm (5.1 in)	55 of 100 (Notable)
Walterboro 1 SW	United States	Record daily precipitation	121.9 mm (4.8 in)	54 of 100 (Notable)
Flores (Dnocs)	Brazil	Record daily precipitation	25.0 mm (1.0 in)	52 of 100 (Notable)
Savannah Intl AP	United States	Record daily precipitation	172.5 mm (6.8 in)	51 of 100 (Notable)
Charleston Intl AP	United States	Record daily precipitation	153.9 mm (6.1 in)	51 of 100 (Notable)
Tambe (Itambe)	Brazil	Record daily precipitation	50.0 mm (2.0 in)	48 of 100 (Notable)
Coloso	Puerto Rico [United States]	Record low minimum temperature	16.1 C (61.0 F)	46 of 100 (Notable)
Orlandia	Brazil	Record daily precipitation	53.5 mm (2.1 in)	45 of 100 (Notable)
Clemson UNIV	United States	Record daily precipitation	73.2 mm (2.9 in)	44 of 100 (Notable)
Sape	Brazil	Record daily precipitation	47.2 mm (1.9 in)	39 of 100 (Notable)
Kanevskaja	Russia	Record daily precipitation	35.2 mm (1.4 in)	39 of 100 (Notable)
Columbia	United States	Record daily precipitation	100.3 mm (3.9 in)	39 of 100 (Notable)
Elkton 3 SW	United States	Record daily precipitation	26.7 mm (1.1 in)	37 of 100 (Notable)
Ridgeland 5 NE	United States	Record daily precipitation	113.3 mm (4.5 in)	37 of 100 (Notable)
Federal Pt	United States	Record low maximum temperature	26.1 C (79.0 F)	36 of 100 (Notable)
Dwtn Charleston	United States	Record daily precipitation	153.9 mm (6.1 in)	36 of 100 (Notable)
Coloso	Puerto Rico [United States]	Record low maximum temperature	27.8 C (82.0 F)	35 of 100 (Notable)
Palatka	United States	Record low maximum temperature	24.4 C (75.9 F)	35 of 100 (Notable)
Folkston 3 SW	United States	Record daily precipitation	64.5 mm (2.5 in)	35 of 100 (Notable)
Careacu	Brazil	Record daily precipitation	49.2 mm (1.9 in)	34 of 100 (Routine)
Lois River Dam	Canada	Record daily precipitation	47.5 mm (1.9 in)	34 of 100 (Routine)
Champoton (Smn)	Mexico	Record daily precipitation	79.8 mm (3.1 in)	34 of 100 (Routine)
Uxbridge	Australia	Record daily precipitation	25.0 mm (1.0 in)	33 of 100 (Routine)
Springfield	United States	Record daily precipitation	111.0 mm (4.4 in)	33 of 100 (Routine)
Inverness 3 SE	United States	Record low maximum temperature	27.8 C (82.0 F)	32 of 100 (Routine)
Palkem	Sweden	Record daily precipitation	27.5 mm (1.1 in)	31 of 100 (Routine)
Deland 1 SSE	United States	Record high minimum temperature	25.6 C (78.1 F)	31 of 100 (Routine)
Okeechobee	United States	Record daily precipitation	105.4 mm (4.1 in)	31 of 100 (Routine)
Perth Regional Office	Australia	Record low minimum temperature	4.8 C (40.6 F)	30 of 100 (Routine)
Bushnell 1 E	United States	Record low maximum temperature	26.7 C (80.1 F)	30 of 100 (Routine)
Millen 4 N	United States	Record daily precipitation	53.3 mm (2.1 in)	30 of 100 (Routine)
Bergland Dam	United States	Record low maximum temperature	15.0 C (59.0 F)	30 of 100 (Routine)
Fazenda Lajeadinho	Brazil	Record daily precipitation	42.5 mm (1.7 in)	29 of 100 (Routine)
Ft Morgan	United States	Record high minimum temperature	16.1 C (61.0 F)	29 of 100 (Routine)
Federal Pt	United States	Record daily precipitation	54.6 mm (2.1 in)	29 of 100 (Routine)
Waleska	United States	Record daily precipitation	55.6 mm (2.2 in)	29 of 100 (Routine)
Tustin Irvine Rch	United States	Record low minimum temperature	6.1 C (43.0 F)	28 of 100 (Routine)
Moore Haven Lock 1	United States	Record low minimum temperature	17.2 C (63.0 F)	28 of 100 (Routine)
Russell Springs	United States	Record high minimum temperature	18.9 C (66.0 F)	28 of 100 (Routine)
Stephan 2 NW	United States	Record high minimum temperature	19.4 C (66.9 F)	28 of 100 (Routine)
Avare	Brazil	Record daily precipitation	25.8 mm (1.0 in)	27 of 100 (Routine)
Melbourne WFO	United States	Record daily precipitation	57.2 mm (2.3 in)	27 of 100 (Routine)
Elizabethtown	United States	Record daily precipitation	43.2 mm (1.7 in)	27 of 100 (Routine)
Fort Huachuca	United States	Record high maximum temperature	35.6 C (96.1 F)	27 of 100 (Routine)
Valdez WSO	United States	Record high minimum temperature	12.8 C (55.0 F)	27 of 100 (Routine)
Snowtown	Australia	Record low maximum temperature	12.7 C (54.9 F)	26 of 100 (Routine)
Porto Santa Terezinha An/Cesp	Brazil	Record daily precipitation	44.3 mm (1.7 in)	26 of 100 (Routine)
Ocotlan de Morelos	Mexico	Record daily precipitation	81.8 mm (3.2 in)	26 of 100 (Routine)
Acatlan de Osorio (Smn)	Mexico	Record daily precipitation	66.8 mm (2.6 in)	26 of 100 (Routine)
Poronajsk	Russia	Record high maximum temperature	25.2 C (77.4 F)	26 of 100 (Routine)
Alexandria	United States	Record high minimum temperature	21.1 C (70.0 F)	26 of 100 (Routine)
Wandering Comparison	Australia	Record low minimum temperature	-2.4 C (27.7 F)	25 of 100 (Routine)
Cuauhtemoc	Mexico	Record low minimum temperature	5.6 C (42.1 F)	25 of 100 (Routine)
Pueblo Nuevo	Mexico	Record daily precipitation	114.3 mm (4.5 in)	25 of 100 (Routine)
Brooklet 1 W	United States	Record daily precipitation	47.5 mm (1.9 in)	25 of 100 (Routine)
Grand Forks UNIV (NWS)	United States	Record high maximum temperature	35.6 C (96.1 F)	25 of 100 (Routine)
Mulungu (Camarazal)	Brazil	Record daily precipitation	52.2 mm (2.1 in)	24 of 100 (Routine)
Springfield	Canada	Record high minimum temperature	17.8 C (64.0 F)	24 of 100 (Routine)
Tequisistlan	Mexico	Record daily precipitation	88.1 mm (3.5 in)	24 of 100 (Routine)

Counts by Type and Timescale

461 records

Records set or tied on 4 September 1979 by type: Highest daily maximum 55, Lowest daily maximum 61, Highest daily minimum 92, Lowest daily minimum 30, Heaviest daily rainfall 223.

Records on 4 September 1979 by type
Record type	Records
Highest daily maximum	55
Lowest daily maximum	61
Highest daily minimum	92
Lowest daily minimum	30
Heaviest daily rainfall	223
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 4 September 1979 by timescale: all-time 0, monthly 11, daily 450.

How Much Records Were Beaten By

367 broken records

Margins by which the 367 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 116.9. Ties are not counted.

Top 20 by Significance

4 September 1979

Top 20 records on 4 September 1979 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
4 September 1979	Petrun, RU	daily rain	30.1 mm (1.2 in)	16.7 mm (0.7 in)	36 years	57 of 100 (Notable)
4 September 1979	Nova Cruz, BR	monthly rain	130.2 mm (5.1 in)	59.9 mm (2.4 in)	0 years	55 of 100 (Notable)
4 September 1979	Walterboro 1 SW, US	daily rain	121.9 mm (4.8 in)	75.2 mm (3.0 in)	33 years	54 of 100 (Notable)
4 September 1979	Flores (Dnocs), BR	daily rain	25.0 mm (1.0 in)	23.7 mm (0.9 in)	38 years	52 of 100 (Notable)
4 September 1979	Savannah Intl AP, US	daily rain	172.5 mm (6.8 in)	116.9 mm (4.6 in)	28 years	51 of 100 (Notable)
4 September 1979	Charleston Intl AP, US	daily rain	153.9 mm (6.1 in)	75.9 mm (3.0 in)	33 years	51 of 100 (Notable)
4 September 1979	Tambe (Itambe), BR	daily rain	50.0 mm (2.0 in)	19.2 mm (0.8 in)	57 years	48 of 100 (Notable)
4 September 1979	Coloso, PR	daily low min	16.1 C (61.0 F)	2.2 C (4.0 F)	66 years	46 of 100 (Notable)
4 September 1979	Orlandia, BR	daily rain	53.5 mm (2.1 in)	44.8 mm (1.8 in)	21 years	45 of 100 (Notable)
4 September 1979	Clemson UNIV, US	daily rain	73.2 mm (2.9 in)	50.3 mm (2.0 in)	40 years	44 of 100 (Notable)
4 September 1979	Sape, BR	daily rain	47.2 mm (1.9 in)	27.1 mm (1.1 in)	0 years	39 of 100 (Notable)
4 September 1979	Kanevskaja, RU	daily rain	35.2 mm (1.4 in)	22.1 mm (0.9 in)	16 years	39 of 100 (Notable)
4 September 1979	Columbia, US	daily rain	100.3 mm (3.9 in)	56.9 mm (2.2 in)	30 years	39 of 100 (Notable)
4 September 1979	Elkton 3 SW, US	daily rain	26.7 mm (1.1 in)	21.6 mm (0.9 in)	8 years	37 of 100 (Notable)
4 September 1979	Ridgeland 5 NE, US	daily rain	113.3 mm (4.5 in)	58.7 mm (2.3 in)	20 years	37 of 100 (Notable)
4 September 1979	Federal Pt, US	daily low max	26.1 C (79.0 F)	1.1 C (2.0 F)	81 years	36 of 100 (Notable)
4 September 1979	Dwtn Charleston, US	daily rain	153.9 mm (6.1 in)	38.8 mm (1.5 in)	33 years	36 of 100 (Notable)
4 September 1979	Coloso, PR	daily low max	27.8 C (82.0 F)	1.1 C (2.0 F)	60 years	35 of 100 (Notable)
4 September 1979	Palatka, US	daily low max	24.4 C (75.9 F)	4.5 C (8.1 F)	36 years	35 of 100 (Notable)
4 September 1979	Folkston 3 SW, US	daily rain	64.5 mm (2.5 in)	44.2 mm (1.7 in)	28 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

1802 to 1979

Records set or tied on this calendar date in each year from 1802 to 1979. 1979 had 461 records.

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

Records on 09-04 in each year
Year	Records
1802	1
1805	1
1823	1
1833	1
1837	1
1839	1
1845	1
1847	1
1850	1
1854	1
1856	1
1857	1
1858	1
1861	1
1863	1
1864	1
1867	1
1868	1
1869	2
1871	1
1872	4
1874	1
1875	1
1877	1
1880	4
1881	1
1883	2
1885	3
1887	1
1888	2
1889	1
1890	1
1891	5
1894	4
1895	6
1896	1
1897	4
1898	9
1899	4
1900	1
1901	4
1902	4
1903	2
1904	7
1905	18
1906	16
1907	22
1908	9
1909	23
1910	91
1911	25
1912	29
1913	29
1914	19
1915	37
1916	24
1917	40
1918	96
1919	48
1920	105
1921	105
1922	62
1923	325
1924	167
1925	339
1926	256
1927	68
1928	341
1929	371
1930	102
1931	477
1932	429
1933	424
1934	393
1935	514
1936	309
1937	411
1938	236
1939	434
1940	287
1941	528
1942	323
1943	472
1944	341
1945	542
1946	431
1947	618
1948	409
1949	370
1950	642
1951	404
1952	645
1953	869
1954	372
1955	465
1956	586
1957	250
1958	384
1959	316
1960	552
1961	909
1962	733
1963	443
1964	507
1965	611
1966	428
1967	786
1968	546
1969	510
1970	644
1971	717
1972	513
1973	530
1974	2,279
1975	432
1976	582
1977	386
1978	940
1979	461
1980	355
1981	582
1982	617
1983	1,040
1984	1,107
1985	915
1986	663
1987	685
1988	1,259
1989	681
1990	787
1991	708
1992	1,132
1993	859
1994	1,001
1995	1,287
1996	907
1997	1,452
1998	1,564
1999	1,479
2000	1,336
2001	833
2002	767
2003	1,094
2004	898
2005	998
2006	1,268
2007	1,077
2008	1,335
2009	914
2010	1,804
2011	1,310
2012	1,209
2013	630
2014	461
2015	893
2016	597
2017	881
2018	758
2019	616
2020	957
2021	544
2022	1,256
2023	1,290
2024	985
2025	635
2026	1,222

Download the Data

Data for records on 1979-09-04: 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 20	328
20 to 40	28
40 to 60	7
60 to 80	3
80 to 100	0
100 to 120	1