Weather Records on 4 September 1948

409 weather records were set or tied worldwide on 4 September 1948. Highest significance: Covington 8 WNW, US.

Key Facts for 4 September 1948

On 4 September 1948, 409 weather records were set or tied at long-record stations worldwide.
203 were record highs and 84 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 42 monthly and 367 daily.
Covington 8 WNW set a monthly record daily precipitation of 182.9 mm (7.2 in) on 4 September 1948.
Across 165 earlier years (1802 to 2026) the same calendar date averaged 451 records.

Record Map

409 stations

409 station records on 4 September 1948 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 4 September 1948: highest significance records shown on the map
Station	Country	Type	Value	Significance
Covington 8 WNW	United States	Record daily precipitation	182.9 mm (7.2 in)	65 of 100 (Major)
Pearl River	United States	Record daily precipitation	142.2 mm (5.6 in)	55 of 100 (Notable)
Poplarville Exp STN	United States	Record daily precipitation	95.3 mm (3.8 in)	53 of 100 (Notable)
Sion 2	Switzerland	Record daily precipitation	51.8 mm (2.0 in)	52 of 100 (Notable)
Schriever	United States	Record daily precipitation	88.9 mm (3.5 in)	49 of 100 (Notable)
Geilo	Norway	Record daily precipitation	26.0 mm (1.0 in)	46 of 100 (Notable)
Hammond	United States	Record daily precipitation	149.9 mm (5.9 in)	46 of 100 (Notable)
Chatillon-Sur-Seine	France	Record daily precipitation	43.6 mm (1.7 in)	42 of 100 (Notable)
Col du Grand St-Bernard	Switzerland	Record daily precipitation	76.0 mm (3.0 in)	41 of 100 (Notable)
Paradis 7 S	United States	Record daily precipitation	143.0 mm (5.6 in)	39 of 100 (Notable)
Donaldsonville 4 SW	United States	Record daily precipitation	88.9 mm (3.5 in)	37 of 100 (Notable)
Yemassee 1 N	United States	Record daily precipitation	83.1 mm (3.3 in)	37 of 100 (Notable)
Amite	United States	Record daily precipitation	116.8 mm (4.6 in)	36 of 100 (Notable)
Biloxi	United States	Record daily precipitation	88.4 mm (3.5 in)	35 of 100 (Notable)
Timbauba	Brazil	Record daily precipitation	51.8 mm (2.0 in)	33 of 100 (Routine)
Danevang 1 W	United States	Record high maximum temperature	38.9 C (102.0 F)	33 of 100 (Routine)
Vidisha	India	Record daily precipitation	180.3 mm (7.1 in)	32 of 100 (Routine)
Chandur Railway	India	Record daily precipitation	70.9 mm (2.8 in)	32 of 100 (Routine)
Wheatland 4N	United States	Record high maximum temperature	38.3 C (100.9 F)	32 of 100 (Routine)
Socorro	United States	Record high minimum temperature	23.3 C (73.9 F)	31 of 100 (Routine)
Forman 5 SSE	United States	Record high minimum temperature	22.8 C (73.0 F)	31 of 100 (Routine)
Spring Hill	United States	Record daily precipitation	112.3 mm (4.4 in)	30 of 100 (Routine)
Makrai	India	Record daily precipitation	93.5 mm (3.7 in)	29 of 100 (Routine)
Postmyr I Drangedal	Norway	Record daily precipitation	34.2 mm (1.3 in)	29 of 100 (Routine)
Louisville	United States	Record daily precipitation	50.8 mm (2.0 in)	29 of 100 (Routine)
Agar	India	Record daily precipitation	82.8 mm (3.3 in)	28 of 100 (Routine)
Gjerstad I Aust-Agder	Norway	Record daily precipitation	60.6 mm (2.4 in)	28 of 100 (Routine)
Livingston	United States	Record low maximum temperature	23.3 C (73.9 F)	28 of 100 (Routine)
Reserve	United States	Record daily precipitation	147.3 mm (5.8 in)	28 of 100 (Routine)
Pearlington	United States	Record daily precipitation	128.0 mm (5.0 in)	28 of 100 (Routine)
Franklin 3 NW	United States	Record low maximum temperature	27.8 C (82.0 F)	27 of 100 (Routine)
Houma	United States	Record daily precipitation	103.6 mm (4.1 in)	27 of 100 (Routine)
Monticello	United States	Record daily precipitation	48.3 mm (1.9 in)	27 of 100 (Routine)
New Orleans Audubon	United States	Record daily precipitation	109.2 mm (4.3 in)	27 of 100 (Routine)
Shujalpur	India	Record daily precipitation	99.1 mm (3.9 in)	26 of 100 (Routine)
Lifjell	Norway	Record daily precipitation	45.4 mm (1.8 in)	26 of 100 (Routine)
Douglas Smelter	United States	Record high maximum temperature	40.6 C (105.1 F)	26 of 100 (Routine)
De Funiak Springs 1 E	United States	Record daily precipitation	70.4 mm (2.8 in)	26 of 100 (Routine)
Columbia	United States	Record low maximum temperature	21.1 C (70.0 F)	26 of 100 (Routine)
Poplarville Exp STN	United States	Record low maximum temperature	22.8 C (73.0 F)	26 of 100 (Routine)
State UNIV	United States	Record daily precipitation	45.7 mm (1.8 in)	26 of 100 (Routine)
New Orleans Audubon	United States	Record low maximum temperature	23.3 C (73.9 F)	26 of 100 (Routine)
Perpignan	France	Record low maximum temperature	17.2 C (63.0 F)	25 of 100 (Routine)
Surgut	Russia	Record daily precipitation	35.1 mm (1.4 in)	25 of 100 (Routine)
Oracle	United States	Record high minimum temperature	25.0 C (77.0 F)	25 of 100 (Routine)
Tempe 3 S	United States	Record high maximum temperature	45.6 C (114.1 F)	25 of 100 (Routine)
Waterdale	United States	Record high maximum temperature	36.1 C (97.0 F)	25 of 100 (Routine)
Franklinton	United States	Record low maximum temperature	24.4 C (75.9 F)	25 of 100 (Routine)
Livingston	United States	Record daily precipitation	37.1 mm (1.5 in)	24 of 100 (Routine)
Ft Collins	United States	Record high maximum temperature	34.4 C (93.9 F)	24 of 100 (Routine)
Monticello	United States	Record low maximum temperature	23.3 C (73.9 F)	24 of 100 (Routine)
Chama	United States	Record high maximum temperature	31.1 C (88.0 F)	24 of 100 (Routine)
Langdon Exp Farm	United States	Record high maximum temperature	36.1 C (97.0 F)	24 of 100 (Routine)
Karwar	India	Record daily precipitation	76.2 mm (3.0 in)	23 of 100 (Routine)
Missoula 6 NW WFO	United States	Record low minimum temperature	0.0 C (32.0 F)	23 of 100 (Routine)
Chugwater	United States	Record high maximum temperature	36.1 C (97.0 F)	23 of 100 (Routine)
Louisville 1 E	United States	Record low maximum temperature	22.2 C (72.0 F)	22 of 100 (Routine)
Donaldsonville 4 SW	United States	Record low maximum temperature	26.1 C (79.0 F)	22 of 100 (Routine)
Hammond	United States	Record low maximum temperature	23.3 C (73.9 F)	22 of 100 (Routine)
Schriever	United States	Record low maximum temperature	26.1 C (79.0 F)	22 of 100 (Routine)

Counts by Type and Timescale

409 records

Records set or tied on 4 September 1948 by type: Highest daily maximum 152, Lowest daily maximum 43, Highest daily minimum 51, Lowest daily minimum 41, Heaviest daily rainfall 122.

Records on 4 September 1948 by type
Record type	Records
Highest daily maximum	152
Lowest daily maximum	43
Highest daily minimum	51
Lowest daily minimum	41
Heaviest daily rainfall	122
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 4 September 1948 by timescale: all-time 0, monthly 42, daily 367.

How Much Records Were Beaten By

299 broken records

Margins by which the 299 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 135.1. Ties are not counted.

Top 20 by Significance

4 September 1948

Top 20 records on 4 September 1948 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
4 September 1948	Covington 8 WNW, US	monthly rain	182.9 mm (7.2 in)	74.9 mm (2.9 in)	34 years	65 of 100 (Major)
4 September 1948	Pearl River, US	daily rain	142.2 mm (5.6 in)	135.1 mm (5.3 in)	37 years	55 of 100 (Notable)
4 September 1948	Poplarville Exp STN, US	daily rain	95.3 mm (3.8 in)	78.8 mm (3.1 in)	27 years	53 of 100 (Notable)
4 September 1948	Sion 2, CH	monthly rain	51.8 mm (2.0 in)	17.8 mm (0.7 in)	22 years	52 of 100 (Notable)
4 September 1948	Schriever, US	daily rain	88.9 mm (3.5 in)	57.4 mm (2.3 in)	51 years	49 of 100 (Notable)
4 September 1948	Geilo, NO	daily rain	26.0 mm (1.0 in)	19.0 mm (0.7 in)	30 years	46 of 100 (Notable)
4 September 1948	Hammond, US	daily rain	149.9 mm (5.9 in)	126.3 mm (5.0 in)	5 years	46 of 100 (Notable)
4 September 1948	Chatillon-Sur-Seine, FR	daily rain	43.6 mm (1.7 in)	21.6 mm (0.9 in)	35 years	42 of 100 (Notable)
4 September 1948	Col du Grand St-Bernard, CH	daily rain	76.0 mm (3.0 in)	47.1 mm (1.9 in)	9 years	41 of 100 (Notable)
4 September 1948	Paradis 7 S, US	daily rain	143.0 mm (5.6 in)	82.8 mm (3.3 in)	5 years	39 of 100 (Notable)
4 September 1948	Donaldsonville 4 SW, US	daily rain	88.9 mm (3.5 in)	40.4 mm (1.6 in)	51 years	37 of 100 (Notable)
4 September 1948	Yemassee 1 N, US	daily rain	83.1 mm (3.3 in)	61.0 mm (2.4 in)	13 years	37 of 100 (Notable)
4 September 1948	Amite, US	daily rain	116.8 mm (4.6 in)	27.6 mm (1.1 in)	51 years	36 of 100 (Notable)
4 September 1948	Biloxi, US	daily rain	88.4 mm (3.5 in)	42.9 mm (1.7 in)	40 years	35 of 100 (Notable)
4 September 1948	Timbauba, BR	daily rain	51.8 mm (2.0 in)	20.5 mm (0.8 in)	5 years	33 of 100 (Routine)
4 September 1948	Danevang 1 W, US	monthly high max	38.9 C (102.0 F)	1.1 C (2.0 F)	51 years	33 of 100 (Routine)
4 September 1948	Vidisha, IN	monthly rain	180.3 mm (7.1 in)	33.0 mm (1.3 in)	15 years	32 of 100 (Routine)
4 September 1948	Chandur Railway, IN	daily rain	70.9 mm (2.8 in)	39.1 mm (1.5 in)	40 years	32 of 100 (Routine)
4 September 1948	Wheatland 4N, US	monthly high max	38.3 C (100.9 F)	1.1 C (2.0 F)	55 years	32 of 100 (Routine)
4 September 1948	Socorro, US	monthly high min	23.3 C (73.9 F)	1.1 C (2.0 F)	47 years	31 of 100 (Routine)

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 1948

Records set or tied on this calendar date in each year from 1802 to 1948. 1948 had 409 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 1948-09-04: 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 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Margin	Records
0 to 20	263
20 to 40	23
40 to 60	6
60 to 80	4
80 to 100	1
100 to 120	0
120 to 140	2