Weather Records on 20 August 1948

403 weather records were set or tied worldwide on 20 August 1948. Highest significance: Atlantic City Marina, US.

Key Facts for 20 August 1948

On 20 August 1948, 403 weather records were set or tied at long-record stations worldwide.
135 were record highs and 78 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 7 monthly and 395 daily.
Atlantic City Marina set a daily record precipitation of 126.2 mm (5.0 in) on 20 August 1948.
Across 163 earlier years (1797 to 2026) the same calendar date averaged 455 records.

Record Map

403 stations

403 station records on 20 August 1948 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 August 1948: highest significance records shown on the map
Station	Country	Type	Value	Significance
Atlantic City Marina	United States	Record daily precipitation	126.2 mm (5.0 in)	60 of 100 (Major)
Ferozepur(Jhirka)	India	Record daily precipitation	141.0 mm (5.6 in)	48 of 100 (Notable)
Pendra Road	India	Record daily precipitation	127.0 mm (5.0 in)	45 of 100 (Notable)
Sandila	India	Record daily precipitation	131.3 mm (5.2 in)	45 of 100 (Notable)
Hammonton 1 NE	United States	Record daily precipitation	136.9 mm (5.4 in)	45 of 100 (Notable)
Smithfield	United States	Record daily precipitation	75.2 mm (3.0 in)	43 of 100 (Notable)
Kvikkjokk-Arrenjarka	Sweden	Record daily precipitation	31.6 mm (1.2 in)	40 of 100 (Notable)
Baloda Bazar	India	Record daily precipitation	149.4 mm (5.9 in)	39 of 100 (Notable)
Bharthana	India	Record daily precipitation	72.6 mm (2.9 in)	39 of 100 (Notable)
Hasanganj	India	Record daily precipitation	91.4 mm (3.6 in)	39 of 100 (Notable)
Cape May 2 NW	United States	Record daily precipitation	42.4 mm (1.7 in)	39 of 100 (Notable)
Vancouver Pmo	Canada	Record daily precipitation	38.1 mm (1.5 in)	38 of 100 (Notable)
Kishangarh	India	Record daily precipitation	82.8 mm (3.3 in)	37 of 100 (Notable)
Pillar Valley	Australia	Record daily precipitation	59.7 mm (2.4 in)	35 of 100 (Notable)
Mandla	India	Record daily precipitation	113.8 mm (4.5 in)	35 of 100 (Notable)
Indian Mills 2 W	United States	Record daily precipitation	66.5 mm (2.6 in)	33 of 100 (Routine)
Wallangarra Post Office	Australia	Record daily precipitation	27.7 mm (1.1 in)	31 of 100 (Routine)
Bear Creek	Canada	Record daily precipitation	33.3 mm (1.3 in)	31 of 100 (Routine)
Khairdatan	India	Record daily precipitation	189.2 mm (7.4 in)	31 of 100 (Routine)
Digri	India	Record daily precipitation	219.2 mm (8.6 in)	31 of 100 (Routine)
Nuh	India	Record daily precipitation	64.8 mm (2.6 in)	30 of 100 (Routine)
Long Branch-Oakhurst	United States	Record daily precipitation	36.1 mm (1.4 in)	30 of 100 (Routine)
Philadelphia City	United States	Record daily precipitation	33.3 mm (1.3 in)	30 of 100 (Routine)
Georgetown	Australia	Record daily precipitation	30.7 mm (1.2 in)	29 of 100 (Routine)
New Westminster	Canada	Record low maximum temperature	13.3 C (55.9 F)	29 of 100 (Routine)
New Westminster	Canada	Record daily precipitation	32.5 mm (1.3 in)	29 of 100 (Routine)
Steveston	Canada	Record daily precipitation	27.4 mm (1.1 in)	29 of 100 (Routine)
Lohar-Daga	India	Record daily precipitation	106.2 mm (4.2 in)	29 of 100 (Routine)
Farrukhabad	India	Record daily precipitation	85.9 mm (3.4 in)	29 of 100 (Routine)
Hardoi	India	Record daily precipitation	90.2 mm (3.6 in)	29 of 100 (Routine)
Bhagaon Bhogaon	India	Record daily precipitation	130.8 mm (5.1 in)	29 of 100 (Routine)
Copmanhurst Post Office	Australia	Record daily precipitation	26.2 mm (1.0 in)	28 of 100 (Routine)
Steveston	Canada	Record low maximum temperature	14.4 C (57.9 F)	28 of 100 (Routine)
Narayanganj	India	Record daily precipitation	95.8 mm (3.8 in)	27 of 100 (Routine)
Mohanlalganj	India	Record daily precipitation	106.9 mm (4.2 in)	27 of 100 (Routine)
Gallivare_A	Sweden	Record daily precipitation	26.2 mm (1.0 in)	27 of 100 (Routine)
Mt Ayr	United States	Record high minimum temperature	26.7 C (80.1 F)	27 of 100 (Routine)
Quinault Rs	United States	Record daily precipitation	29.7 mm (1.2 in)	27 of 100 (Routine)
Wilpena Head Station	Australia	Record daily precipitation	31.5 mm (1.2 in)	26 of 100 (Routine)
Mill Bay	Canada	Record low minimum temperature	3.3 C (37.9 F)	26 of 100 (Routine)
Amguri	India	Record daily precipitation	79.0 mm (3.1 in)	26 of 100 (Routine)
Jokkmokk	Sweden	Record daily precipitation	25.4 mm (1.0 in)	26 of 100 (Routine)
Adelaide (Tea Tree Gully Counc	Australia	Record daily precipitation	26.7 mm (1.1 in)	25 of 100 (Routine)
Itabaianinha	Brazil	Record daily precipitation	33.2 mm (1.3 in)	25 of 100 (Routine)
Ioco Refinery	Canada	Record daily precipitation	34.3 mm (1.4 in)	25 of 100 (Routine)
Shahabad	India	Record daily precipitation	73.9 mm (2.9 in)	25 of 100 (Routine)
Shahjahanpur	India	Record daily precipitation	86.4 mm (3.4 in)	25 of 100 (Routine)
Buxton	United Kingdom	Record low minimum temperature	2.8 C (37.0 F)	25 of 100 (Routine)
Amenia	United States	Record high minimum temperature	21.1 C (70.0 F)	25 of 100 (Routine)
Hyndman	United States	Record daily precipitation	45.5 mm (1.8 in)	25 of 100 (Routine)
Zugspitze	Germany	Record snow depth	210.0 cm (82.7 in)	24 of 100 (Routine)
E Stroudsburg	United States	Record daily precipitation	27.9 mm (1.1 in)	24 of 100 (Routine)
Eutawville	United States	Record low minimum temperature	16.1 C (61.0 F)	24 of 100 (Routine)
Rae Bareli	India	Record daily precipitation	52.6 mm (2.1 in)	23 of 100 (Routine)
Umea	Sweden	Record daily precipitation	39.3 mm (1.5 in)	23 of 100 (Routine)
Jamestown State Hosp	United States	Record high minimum temperature	18.9 C (66.0 F)	23 of 100 (Routine)
Maharajganj	India	Record daily precipitation	73.7 mm (2.9 in)	22 of 100 (Routine)
Montevideo 1SW	United States	Record high minimum temperature	22.2 C (72.0 F)	22 of 100 (Routine)
Dickinson Exp STN	United States	Record high maximum temperature	38.9 C (102.0 F)	22 of 100 (Routine)
Forman 5 SSE	United States	Record high minimum temperature	21.7 C (71.1 F)	22 of 100 (Routine)

Counts by Type and Timescale

403 records

Records set or tied on 20 August 1948 by type: Highest daily maximum 46, Lowest daily maximum 54, Highest daily minimum 89, Lowest daily minimum 24, Heaviest daily rainfall 189, Deepest snow cover 1.

Records on 20 August 1948 by type
Record type	Records
Highest daily maximum	46
Lowest daily maximum	54
Highest daily minimum	89
Lowest daily minimum	24
Heaviest daily rainfall	189
Heaviest daily snowfall	0
Deepest snow cover	1

Records on 20 August 1948 by timescale: all-time 1, monthly 7, daily 395.

How Much Records Were Beaten By

313 broken records

Margins by which the 313 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 600.0. Ties are not counted.

Top 20 by Significance

20 August 1948

Top 20 records on 20 August 1948 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 August 1948	Atlantic City Marina, US	daily rain	126.2 mm (5.0 in)	100.3 mm (3.9 in)	44 years	60 of 100 (Major)
20 August 1948	Ferozepur(Jhirka), IN	daily rain	141.0 mm (5.6 in)	84.1 mm (3.3 in)	14 years	48 of 100 (Notable)
20 August 1948	Pendra Road, IN	daily rain	127.0 mm (5.0 in)	97.3 mm (3.8 in)	6 years	45 of 100 (Notable)
20 August 1948	Sandila, IN	daily rain	131.3 mm (5.2 in)	60.9 mm (2.4 in)	44 years	45 of 100 (Notable)
20 August 1948	Hammonton 1 NE, US	daily rain	136.9 mm (5.4 in)	113.8 mm (4.5 in)	2 years	45 of 100 (Notable)
20 August 1948	Smithfield, US	daily rain	75.2 mm (3.0 in)	56.9 mm (2.2 in)	1 year	43 of 100 (Notable)
20 August 1948	Kvikkjokk-Arrenjarka, SE	daily rain	31.6 mm (1.2 in)	17.6 mm (0.7 in)	26 years	40 of 100 (Notable)
20 August 1948	Baloda Bazar, IN	daily rain	149.4 mm (5.9 in)	69.9 mm (2.8 in)	28 years	39 of 100 (Notable)
20 August 1948	Bharthana, IN	daily rain	72.6 mm (2.9 in)	50.8 mm (2.0 in)	30 years	39 of 100 (Notable)
20 August 1948	Hasanganj, IN	daily rain	91.4 mm (3.6 in)	45.7 mm (1.8 in)	45 years	39 of 100 (Notable)
20 August 1948	Cape May 2 NW, US	daily rain	42.4 mm (1.7 in)	31.2 mm (1.2 in)	53 years	39 of 100 (Notable)
20 August 1948	Vancouver Pmo, CA	daily rain	38.1 mm (1.5 in)	19.8 mm (0.8 in)	31 years	38 of 100 (Notable)
20 August 1948	Kishangarh, IN	daily rain	82.8 mm (3.3 in)	53.3 mm (2.1 in)	19 years	37 of 100 (Notable)
20 August 1948	Pillar Valley, AU	daily rain	59.7 mm (2.4 in)	41.9 mm (1.6 in)	25 years	35 of 100 (Notable)
20 August 1948	Mandla, IN	daily rain	113.8 mm (4.5 in)	63.0 mm (2.5 in)	22 years	35 of 100 (Notable)
20 August 1948	Indian Mills 2 W, US	daily rain	66.5 mm (2.6 in)	48.7 mm (1.9 in)	15 years	33 of 100 (Routine)
20 August 1948	Wallangarra Post Office, AU	daily rain	27.7 mm (1.1 in)	12.7 mm (0.5 in)	32 years	31 of 100 (Routine)
20 August 1948	Bear Creek, CA	daily rain	33.3 mm (1.3 in)	20.3 mm (0.8 in)	37 years	31 of 100 (Routine)
20 August 1948	Khairdatan, IN	monthly rain	189.2 mm (7.4 in)	22.8 mm (0.9 in)	33 years	31 of 100 (Routine)
20 August 1948	Digri, IN	all-time rain	219.2 mm (8.6 in)	3.3 mm (0.13 in)	23 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

1797 to 1948

Records set or tied on this calendar date in each year from 1797 to 1948. 1948 had 403 records.

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

Records on 08-20 in each year
Year	Records
1797	1
1807	1
1809	2
1816	1
1830	1
1832	1
1838	1
1840	1
1842	1
1846	1
1849	1
1850	1
1852	1
1858	3
1863	5
1867	4
1870	3
1871	1
1873	1
1875	2
1877	1
1883	2
1884	2
1885	6
1886	1
1888	1
1889	2
1890	2
1891	2
1892	6
1893	1
1894	1
1895	1
1896	5
1897	6
1898	1
1899	5
1900	7
1901	12
1902	3
1903	7
1904	30
1905	7
1906	26
1907	15
1908	21
1909	69
1910	7
1911	18
1912	25
1913	23
1914	15
1915	14
1916	74
1917	51
1918	69
1919	25
1920	47
1921	23
1922	52
1923	83
1924	132
1925	193
1926	187
1927	338
1928	101
1929	213
1930	318
1931	214
1932	299
1933	324
1934	376
1935	339
1936	543
1937	537
1938	250
1939	448
1940	695
1941	230
1942	429
1943	436
1944	355
1945	398
1946	349
1947	988
1948	403
1949	431
1950	1,341
1951	824
1952	425
1953	441
1954	476
1955	848
1956	678
1957	342
1958	281
1959	764
1960	465
1961	520
1962	684
1963	577
1964	629
1965	470
1966	1,094
1967	657
1968	862
1969	608
1970	414
1971	585
1972	522
1973	490
1974	565
1975	411
1976	894
1977	860
1978	563
1979	1,009
1980	991
1981	856
1982	620
1983	1,465
1984	696
1985	666
1986	819
1987	564
1988	991
1989	603
1990	1,262
1991	804
1992	1,168
1993	759
1994	719
1995	1,113
1996	900
1997	1,214
1998	802
1999	810
2000	989
2001	909
2002	1,208
2003	1,031
2004	1,333
2005	1,112
2006	851
2007	1,955
2008	1,170
2009	1,414
2010	1,028
2011	987
2012	1,086
2013	545
2014	582
2015	1,075
2016	872
2017	324
2018	657
2019	698
2020	1,051
2021	1,028
2022	1,038
2023	1,479
2024	589
2025	1,134
2026	985

Download the Data

Data for records on 1948-08-20: 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 100	310
100 to 200	2
200 to 300	0
300 to 400	0
400 to 500	0
500 to 600	1