Weather Records on 4 September 1978

940 weather records were set or tied worldwide on 4 September 1978. Highest significance: Groongal (Groongal Station), AU.

Key Facts for 4 September 1978

On 4 September 1978, 940 weather records were set or tied at long-record stations worldwide.
348 were record highs and 209 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 54 monthly and 885 daily.
Groongal (Groongal Station) set a daily record precipitation of 30.0 mm (1.2 in) on 4 September 1978.
Across 165 earlier years (1802 to 2026) the same calendar date averaged 448 records.

Record Map

940 stations

940 station records on 4 September 1978 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 4 September 1978: highest significance records shown on the map
Station	Country	Type	Value	Significance
Groongal (Groongal Station)	Australia	Record daily precipitation	30.0 mm (1.2 in)	69 of 100 (Major)
Kidston Gold Mine	Australia	Record daily precipitation	96.0 mm (3.8 in)	65 of 100 (Major)
Floraville Downs Station	Australia	Record daily precipitation	25.0 mm (1.0 in)	61 of 100 (Major)
Greenvale	Australia	Record daily precipitation	84.0 mm (3.3 in)	61 of 100 (Major)
Granada Station	Australia	Record daily precipitation	63.6 mm (2.5 in)	57 of 100 (Notable)
Kajabbi Kalkadoon Hotel	Australia	Record daily precipitation	43.8 mm (1.7 in)	54 of 100 (Notable)
Cheepie Post Office	Australia	Record daily precipitation	32.0 mm (1.3 in)	53 of 100 (Notable)
Carpentaria Downs Station	Australia	Record daily precipitation	49.0 mm (1.9 in)	51 of 100 (Notable)
Hughenden Station	Australia	Record daily precipitation	53.6 mm (2.1 in)	50 of 100 (Notable)
Kangaroo Hills Station	Australia	Record daily precipitation	44.4 mm (1.7 in)	50 of 100 (Notable)
Lordsburg 4 SE	United States	Record daily precipitation	31.8 mm (1.3 in)	49 of 100 (Notable)
Clarke River Telecom	Australia	Record daily precipitation	44.0 mm (1.7 in)	48 of 100 (Notable)
Zonia Downs	Australia	Record daily precipitation	36.8 mm (1.4 in)	47 of 100 (Notable)
Santa Maria Public AP	United States	Record daily precipitation	39.4 mm (1.6 in)	47 of 100 (Notable)
Homestead Post Office	Australia	Record daily precipitation	55.0 mm (2.2 in)	46 of 100 (Notable)
Arteaga (Smn)	Mexico	Record daily precipitation	129.8 mm (5.1 in)	46 of 100 (Notable)
Werrina Station	Australia	Record daily precipitation	25.2 mm (1.0 in)	45 of 100 (Notable)
Bungendore Post Office	Australia	Record daily precipitation	29.6 mm (1.2 in)	44 of 100 (Notable)
Raywood	Australia	Record daily precipitation	34.0 mm (1.3 in)	44 of 100 (Notable)
Einasleigh Township	Australia	Record daily precipitation	38.0 mm (1.5 in)	43 of 100 (Notable)
Putbus	Germany	Record low maximum temperature	13.5 C (56.3 F)	43 of 100 (Notable)
Motozintla (Smn)	Mexico	Record high maximum temperature	35.6 C (96.1 F)	43 of 100 (Notable)
Foxholm 7 N	United States	Record high maximum temperature	39.4 C (102.9 F)	43 of 100 (Notable)
Upper Stone Exelby	Australia	Record daily precipitation	33.0 mm (1.3 in)	42 of 100 (Notable)
Oak Park Station	Australia	Record daily precipitation	59.2 mm (2.3 in)	41 of 100 (Notable)
Mingela Post Office	Australia	Record daily precipitation	42.0 mm (1.7 in)	41 of 100 (Notable)
Sellheim	Australia	Record daily precipitation	36.0 mm (1.4 in)	41 of 100 (Notable)
Normandy	Australia	Record daily precipitation	37.4 mm (1.5 in)	41 of 100 (Notable)
Anadia	Brazil	Record daily precipitation	38.0 mm (1.5 in)	41 of 100 (Notable)
Caldwell	United States	Record high minimum temperature	21.1 C (70.0 F)	41 of 100 (Notable)
Hostotipaquillo	Mexico	Record low minimum temperature	11.7 C (53.1 F)	39 of 100 (Notable)
Barcelona -Fabra Observatory	Spain	Record daily precipitation	63.8 mm (2.5 in)	39 of 100 (Notable)
Glendower Station	Australia	Record daily precipitation	51.0 mm (2.0 in)	38 of 100 (Notable)
Wando Vale Station	Australia	Record daily precipitation	54.6 mm (2.1 in)	37 of 100 (Notable)
Orick Prairie Creek Park	United States	Record daily precipitation	29.5 mm (1.2 in)	37 of 100 (Notable)
Gilberton	Australia	Record daily precipitation	38.0 mm (1.5 in)	36 of 100 (Notable)
Charters Towers Post Office	Australia	Record daily precipitation	36.6 mm (1.4 in)	36 of 100 (Notable)
Hayden	United States	Record high maximum temperature	33.9 C (93.0 F)	36 of 100 (Notable)
Lands End Station	Australia	Record daily precipitation	33.0 mm (1.3 in)	35 of 100 (Notable)
Victoria Sugar Mill	Australia	Record daily precipitation	44.6 mm (1.8 in)	35 of 100 (Notable)
Allende (Smn)	Mexico	Record daily precipitation	67.8 mm (2.7 in)	35 of 100 (Notable)
Napoleon	United States	Record high minimum temperature	20.6 C (69.1 F)	35 of 100 (Notable)
Chamberlain	United States	Record high minimum temperature	22.2 C (72.0 F)	35 of 100 (Notable)
Cabanda Station	Australia	Record daily precipitation	37.6 mm (1.5 in)	34 of 100 (Routine)
Undilla Station	Australia	Record daily precipitation	31.0 mm (1.2 in)	34 of 100 (Routine)
Rosella Plains Station	Australia	Record daily precipitation	30.0 mm (1.2 in)	34 of 100 (Routine)
Carabost Forest Headquarters	Australia	Record daily precipitation	29.2 mm (1.1 in)	34 of 100 (Routine)
Bendigo Prison	Australia	Record daily precipitation	25.8 mm (1.0 in)	34 of 100 (Routine)
Greifswald	Germany	Record low maximum temperature	12.5 C (54.5 F)	34 of 100 (Routine)
Waren	Germany	Record low maximum temperature	11.6 C (52.9 F)	34 of 100 (Routine)
Ft Yates 4 SW	United States	Record high minimum temperature	21.1 C (70.0 F)	34 of 100 (Routine)
Midland	United States	Record high minimum temperature	22.2 C (72.0 F)	34 of 100 (Routine)
Bemerside	Australia	Record daily precipitation	38.0 mm (1.5 in)	33 of 100 (Routine)
Balfes Creek Post Office	Australia	Record daily precipitation	45.0 mm (1.8 in)	33 of 100 (Routine)
Mt Douglas	Australia	Record daily precipitation	38.4 mm (1.5 in)	33 of 100 (Routine)
Rewan Station	Australia	Record daily precipitation	34.0 mm (1.3 in)	33 of 100 (Routine)
Ashley (the Prairies)	Australia	Record daily precipitation	28.0 mm (1.1 in)	33 of 100 (Routine)
Leech Lake	United States	Record high minimum temperature	20.0 C (68.0 F)	33 of 100 (Routine)
Hawthorne AP	United States	Record high minimum temperature	18.3 C (64.9 F)	33 of 100 (Routine)
Jal	United States	Record daily precipitation	31.2 mm (1.2 in)	33 of 100 (Routine)

Counts by Type and Timescale

940 records

Records set or tied on 4 September 1978 by type: Highest daily maximum 188, Lowest daily maximum 143, Highest daily minimum 160, Lowest daily minimum 66, Heaviest daily rainfall 383.

Records on 4 September 1978 by type
Record type	Records
Highest daily maximum	188
Lowest daily maximum	143
Highest daily minimum	160
Lowest daily minimum	66
Heaviest daily rainfall	383
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 4 September 1978 by timescale: all-time 1, monthly 54, daily 885.

How Much Records Were Beaten By

752 broken records

Margins by which the 752 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 117.9. Ties are not counted.

Top 20 by Significance

4 September 1978

Top 20 records on 4 September 1978 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
4 September 1978	Groongal (Groongal Station), AU	daily rain	30.0 mm (1.2 in)	24.7 mm (1.0 in)	81 years	69 of 100 (Major)
4 September 1978	Kidston Gold Mine, AU	monthly rain	96.0 mm (3.8 in)	56.4 mm (2.2 in)	30 years	65 of 100 (Major)
4 September 1978	Floraville Downs Station, AU	daily rain	25.0 mm (1.0 in)	25.0 mm (1.0 in)	90 years	61 of 100 (Major)
4 September 1978	Greenvale, AU	monthly rain	84.0 mm (3.3 in)	37.0 mm (1.5 in)	30 years	61 of 100 (Major)
4 September 1978	Granada Station, AU	monthly rain	63.6 mm (2.5 in)	30.1 mm (1.2 in)	4 years	57 of 100 (Notable)
4 September 1978	Kajabbi Kalkadoon Hotel, AU	daily rain	43.8 mm (1.7 in)	43.8 mm (1.7 in)	36 years	54 of 100 (Notable)
4 September 1978	Cheepie Post Office, AU	daily rain	32.0 mm (1.3 in)	32.0 mm (1.3 in)	41 years	53 of 100 (Notable)
4 September 1978	Carpentaria Downs Station, AU	daily rain	49.0 mm (1.9 in)	47.0 mm (1.9 in)	56 years	51 of 100 (Notable)
4 September 1978	Hughenden Station, AU	daily rain	53.6 mm (2.1 in)	31.2 mm (1.2 in)	35 years	50 of 100 (Notable)
4 September 1978	Kangaroo Hills Station, AU	daily rain	44.4 mm (1.7 in)	34.2 mm (1.3 in)	56 years	50 of 100 (Notable)
4 September 1978	Lordsburg 4 SE, US	daily rain	31.8 mm (1.3 in)	21.6 mm (0.9 in)	68 years	49 of 100 (Notable)
4 September 1978	Clarke River Telecom, AU	daily rain	44.0 mm (1.7 in)	36.4 mm (1.4 in)	35 years	48 of 100 (Notable)
4 September 1978	Zonia Downs, AU	monthly rain	36.8 mm (1.4 in)	17.7 mm (0.7 in)	51 years	47 of 100 (Notable)
4 September 1978	Santa Maria Public AP, US	daily rain	39.4 mm (1.6 in)	36.1 mm (1.4 in)	15 years	47 of 100 (Notable)
4 September 1978	Homestead Post Office, AU	daily rain	55.0 mm (2.2 in)	36.5 mm (1.4 in)	35 years	46 of 100 (Notable)
4 September 1978	Arteaga (Smn), MX	daily rain	129.8 mm (5.1 in)	117.9 mm (4.6 in)	12 years	46 of 100 (Notable)
4 September 1978	Werrina Station, AU	daily rain	25.2 mm (1.0 in)	20.4 mm (0.8 in)	41 years	45 of 100 (Notable)
4 September 1978	Bungendore Post Office, AU	daily rain	29.6 mm (1.2 in)	15.9 mm (0.6 in)	47 years	44 of 100 (Notable)
4 September 1978	Raywood, AU	daily rain	34.0 mm (1.3 in)	12.2 mm (0.5 in)	68 years	44 of 100 (Notable)
4 September 1978	Einasleigh Township, AU	daily rain	38.0 mm (1.5 in)	26.3 mm (1.0 in)	35 years	43 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 1978

Records set or tied on this calendar date in each year from 1802 to 1978. 1978 had 940 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 1978-09-04: 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	708
20 to 40	39
40 to 60	4
60 to 80	0
80 to 100	0
100 to 120	1