Weather Records on 21 March 1948

948 weather records were set or tied worldwide on 21 March 1948. Highest significance: Klein Australie (Bos), ZA.

Key Facts for 21 March 1948

On 21 March 1948, 948 weather records were set or tied at long-record stations worldwide.
601 were record highs and 123 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 58 monthly and 890 daily.
Klein Australie (Bos) set a daily record precipitation of 165.1 mm (6.5 in) on 21 March 1948.
Across 157 earlier years (1797 to 2026) the same calendar date averaged 480 records.

Record Map

948 stations

948 station records on 21 March 1948 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 March 1948: highest significance records shown on the map
Station	Country	Type	Value	Significance
Klein Australie (Bos)	South Africa	Record daily precipitation	165.1 mm (6.5 in)	55 of 100 (Notable)
Grapeview 3 SW	United States	Record daily precipitation	70.6 mm (2.8 in)	53 of 100 (Notable)
Yamba Pilot Station	Australia	Record daily precipitation	64.5 mm (2.5 in)	52 of 100 (Notable)
Saanichton Cda	Canada	Record daily precipitation	34.5 mm (1.4 in)	52 of 100 (Notable)
Groblersplaas	South Africa	Record daily precipitation	124.5 mm (4.9 in)	52 of 100 (Notable)
Duiwelskloof (Mun)	South Africa	Record daily precipitation	136.9 mm (5.4 in)	51 of 100 (Notable)
Tshakhuma	South Africa	Record daily precipitation	119.4 mm (4.7 in)	51 of 100 (Notable)
Quesnel	Canada	Record daily snowfall	14.0 cm (5.5 in)	50 of 100 (Notable)
Seattle Urban Site	United States	Record daily precipitation	51.3 mm (2.0 in)	50 of 100 (Notable)
Beaver Lake	Canada	Record daily precipitation	48.3 mm (1.9 in)	49 of 100 (Notable)
Aberdeen	United States	Record daily precipitation	75.9 mm (3.0 in)	49 of 100 (Notable)
Calliope Public School	Australia	Record daily precipitation	66.8 mm (2.6 in)	48 of 100 (Notable)
Pilgrims Rest (Pol)	South Africa	Record daily precipitation	108.0 mm (4.3 in)	48 of 100 (Notable)
Vickery 2 NW	United States	Record daily precipitation	46.2 mm (1.8 in)	47 of 100 (Notable)
Olga 2 SE	United States	Record daily precipitation	44.2 mm (1.7 in)	47 of 100 (Notable)
Lawrence Post Office	Australia	Record daily precipitation	72.6 mm (2.9 in)	45 of 100 (Notable)
Maristova	Norway	Record daily precipitation	26.0 mm (1.0 in)	45 of 100 (Notable)
Kisinev	Moldova	Record low minimum temperature	-17.0 C (1.4 F)	43 of 100 (Notable)
Maclean (McLachlan Street)	Australia	Record daily precipitation	91.4 mm (3.6 in)	41 of 100 (Notable)
Dorrigo Post Office	Australia	Record daily precipitation	114.8 mm (4.5 in)	40 of 100 (Notable)
Saanich Dom Astro Obs	Canada	Record daily precipitation	40.6 mm (1.6 in)	40 of 100 (Notable)
Toronto	Canada	Record high minimum temperature	4.4 C (39.9 F)	40 of 100 (Notable)
Tallebudgera Guineas Creek Roa	Australia	Record daily precipitation	83.1 mm (3.3 in)	39 of 100 (Notable)
Bowling Green Wwtp	United States	Record daily precipitation	36.8 mm (1.4 in)	39 of 100 (Notable)
Balgownie West	Australia	Record daily precipitation	52.1 mm (2.1 in)	38 of 100 (Notable)
Elandsfontein	South Africa	Record daily precipitation	61.2 mm (2.4 in)	38 of 100 (Notable)
Frankfort Disposal	United States	Record daily precipitation	47.5 mm (1.9 in)	38 of 100 (Notable)
Findlay Wpcc	United States	Record daily precipitation	66.0 mm (2.6 in)	37 of 100 (Notable)
S Bend AP	United States	Record daily precipitation	34.8 mm (1.4 in)	37 of 100 (Notable)
Goderich	Canada	Record high minimum temperature	8.9 C (48.0 F)	35 of 100 (Notable)
Pelee Island	Canada	Record daily precipitation	50.0 mm (2.0 in)	35 of 100 (Notable)
Tiffin	United States	Record daily precipitation	41.4 mm (1.6 in)	35 of 100 (Notable)
Scipio	United States	Record low minimum temperature	-20.6 C (-5.1 F)	35 of 100 (Notable)
Salem AP (McNary Field)	United States	Record daily precipitation	42.4 mm (1.7 in)	35 of 100 (Notable)
Oxenford (Oberon Way)	Australia	Record daily precipitation	96.0 mm (3.8 in)	34 of 100 (Routine)
Gunbower	Australia	Record daily precipitation	53.3 mm (2.1 in)	34 of 100 (Routine)
Cudgen Plantation	Australia	Record daily precipitation	114.8 mm (4.5 in)	34 of 100 (Routine)
Ft Wayne Maumee	United States	Record daily precipitation	34.0 mm (1.3 in)	34 of 100 (Routine)
Adrian 2 NNE	United States	Record daily precipitation	27.9 mm (1.1 in)	34 of 100 (Routine)
Albion	United States	Record daily precipitation	30.7 mm (1.2 in)	34 of 100 (Routine)
Mayville	United States	Record snow depth	43.2 cm (17.0 in)	34 of 100 (Routine)
Bar Harbor 3 NW	United States	Record high minimum temperature	10.0 C (50.0 F)	33 of 100 (Routine)
Findlay Wpcc	United States	Record high minimum temperature	15.0 C (59.0 F)	33 of 100 (Routine)
Upper Sandusky	United States	Record high minimum temperature	15.6 C (60.1 F)	33 of 100 (Routine)
Forks 1 E	United States	Record daily precipitation	106.7 mm (4.2 in)	33 of 100 (Routine)
Snoqualmie Falls	United States	Record daily precipitation	55.4 mm (2.2 in)	33 of 100 (Routine)
Columbia Wb City	United States	Record daily precipitation	25.4 mm (1.0 in)	33 of 100 (Routine)
Ashford (Sunhaven Hostel)	Australia	Record daily precipitation	43.7 mm (1.7 in)	32 of 100 (Routine)
Ballina (Crowley Village)	Australia	Record daily precipitation	132.3 mm (5.2 in)	31 of 100 (Routine)
Grafton City Council	Australia	Record daily precipitation	45.5 mm (1.8 in)	31 of 100 (Routine)
Southampton	Canada	Record high minimum temperature	8.3 C (46.9 F)	31 of 100 (Routine)
Kyogle Post Office	Australia	Record daily precipitation	72.4 mm (2.9 in)	30 of 100 (Routine)
Woodburn Post Office	Australia	Record daily precipitation	80.0 mm (3.1 in)	30 of 100 (Routine)
Broadwater Sugar Mill	Australia	Record daily precipitation	62.2 mm (2.4 in)	30 of 100 (Routine)
Stuttgart	United States	Record daily precipitation	88.9 mm (3.5 in)	30 of 100 (Routine)
Carlinville	United States	Record daily precipitation	44.2 mm (1.7 in)	30 of 100 (Routine)
Dwight	United States	Record high minimum temperature	13.9 C (57.0 F)	30 of 100 (Routine)
Kokomo 3 WSW	United States	Record daily precipitation	32.3 mm (1.3 in)	30 of 100 (Routine)
Astoria	United States	Record daily precipitation	75.9 mm (3.0 in)	30 of 100 (Routine)
W Pt	United States	Record high minimum temperature	20.6 C (69.1 F)	29 of 100 (Routine)

Counts by Type and Timescale

948 records

Records set or tied on 21 March 1948 by type: Highest daily maximum 191, Lowest daily maximum 55, Highest daily minimum 410, Lowest daily minimum 68, Heaviest daily rainfall 206, Heaviest daily snowfall 13, Deepest snow cover 5.

Records on 21 March 1948 by type
Record type	Records
Highest daily maximum	191
Lowest daily maximum	55
Highest daily minimum	410
Lowest daily minimum	68
Heaviest daily rainfall	206
Heaviest daily snowfall	13
Deepest snow cover	5

Records on 21 March 1948 by timescale: all-time 0, monthly 58, daily 890.

How Much Records Were Beaten By

749 broken records

Margins by which the 749 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 850.0. Ties are not counted.

Top 20 by Significance

21 March 1948

Top 20 records on 21 March 1948 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 March 1948	Klein Australie (Bos), ZA	daily rain	165.1 mm (6.5 in)	150.1 mm (5.9 in)	38 years	55 of 100 (Notable)
21 March 1948	Grapeview 3 SW, US	daily rain	70.6 mm (2.8 in)	43.4 mm (1.7 in)	32 years	53 of 100 (Notable)
21 March 1948	Yamba Pilot Station, AU	daily rain	64.5 mm (2.5 in)	43.9 mm (1.7 in)	60 years	52 of 100 (Notable)
21 March 1948	Saanichton Cda, CA	daily rain	34.5 mm (1.4 in)	24.8 mm (1.0 in)	30 years	52 of 100 (Notable)
21 March 1948	Groblersplaas, ZA	daily rain	124.5 mm (4.9 in)	98.1 mm (3.9 in)	33 years	52 of 100 (Notable)
21 March 1948	Duiwelskloof (Mun), ZA	daily rain	136.9 mm (5.4 in)	104.4 mm (4.1 in)	25 years	51 of 100 (Notable)
21 March 1948	Tshakhuma, ZA	daily rain	119.4 mm (4.7 in)	90.4 mm (3.6 in)	37 years	51 of 100 (Notable)
21 March 1948	Quesnel, CA	daily snowfall	14.0 cm (5.5 in)	11.5 cm (4.5 in)	41 years	50 of 100 (Notable)
21 March 1948	Seattle Urban Site, US	daily rain	51.3 mm (2.0 in)	24.1 mm (0.9 in)	18 years	50 of 100 (Notable)
21 March 1948	Beaver Lake, CA	daily rain	48.3 mm (1.9 in)	26.7 mm (1.1 in)	18 years	49 of 100 (Notable)
21 March 1948	Aberdeen, US	daily rain	75.9 mm (3.0 in)	44.1 mm (1.7 in)	30 years	49 of 100 (Notable)
21 March 1948	Calliope Public School, AU	daily rain	66.8 mm (2.6 in)	57.9 mm (2.3 in)	18 years	48 of 100 (Notable)
21 March 1948	Pilgrims Rest (Pol), ZA	daily rain	108.0 mm (4.3 in)	78.8 mm (3.1 in)	14 years	48 of 100 (Notable)
21 March 1948	Vickery 2 NW, US	daily rain	46.2 mm (1.8 in)	24.1 mm (0.9 in)	36 years	47 of 100 (Notable)
21 March 1948	Olga 2 SE, US	monthly rain	44.2 mm (1.7 in)	10.9 mm (0.4 in)	32 years	47 of 100 (Notable)
21 March 1948	Lawrence Post Office, AU	daily rain	72.6 mm (2.9 in)	47.2 mm (1.9 in)	45 years	45 of 100 (Notable)
21 March 1948	Maristova, NO	daily rain	26.0 mm (1.0 in)	13.0 mm (0.5 in)	27 years	45 of 100 (Notable)
21 March 1948	Kisinev, MD	daily low min	-17.0 C (1.4 F)	11.8 C (21.2 F)	37 years	43 of 100 (Notable)
21 March 1948	Maclean (McLachlan Street), AU	daily rain	91.4 mm (3.6 in)	70.1 mm (2.8 in)	1 year	41 of 100 (Notable)
21 March 1948	Dorrigo Post Office, AU	daily rain	114.8 mm (4.5 in)	61.5 mm (2.4 in)	34 years	40 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

1797 to 1948

Records set or tied on this calendar date in each year from 1797 to 1948. 1948 had 948 records.

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

Records on 03-21 in each year
Year	Records
1797	2
1805	1
1806	1
1822	1
1830	1
1836	1
1837	1
1845	1
1846	1
1850	1
1852	2
1857	1
1865	7
1874	1
1877	1
1880	1
1881	1
1883	2
1884	1
1885	5
1886	2
1888	1
1890	3
1892	1
1893	1
1894	1
1895	1
1896	2
1897	2
1898	3
1899	4
1900	4
1901	9
1902	18
1903	23
1904	17
1905	6
1906	3
1907	14
1908	3
1909	11
1910	10
1911	10
1912	36
1913	97
1914	71
1915	27
1916	44
1917	43
1918	43
1919	29
1920	90
1921	96
1922	50
1923	72
1924	96
1925	141
1926	282
1927	179
1928	293
1929	104
1930	99
1931	638
1932	305
1933	235
1934	114
1935	675
1936	225
1937	172
1938	783
1939	280
1940	366
1941	311
1942	330
1943	217
1944	556
1945	294
1946	570
1947	192
1948	948
1949	330
1950	398
1951	779
1952	689
1953	342
1954	211
1955	1,124
1956	686
1957	373
1958	619
1959	230
1960	892
1961	268
1962	548
1963	298
1964	333
1965	1,961
1966	464
1967	487
1968	798
1969	219
1970	612
1971	358
1972	519
1973	385
1974	1,097
1975	751
1976	710
1977	376
1978	838
1979	656
1980	775
1981	676
1982	850
1983	1,673
1984	835
1985	503
1986	1,170
1987	948
1988	1,155
1989	1,396
1990	1,380
1991	1,446
1992	877
1993	687
1994	684
1995	1,141
1996	1,119
1997	1,670
1998	935
1999	1,044
2000	802
2001	1,342
2002	1,593
2003	1,073
2004	1,511
2005	649
2006	1,417
2007	1,220
2008	734
2009	558
2010	1,134
2011	1,451
2012	2,854
2013	727
2014	639
2015	568
2016	553
2017	1,117
2018	809
2019	649
2020	445
2021	489
2022	615
2023	815
2024	432
2025	845
2026	2,614

Download the Data

Data for records on 1948-03-21: 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 2026-10-14 (14 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Margin	Records
0 to 200	747
200 to 400	1
400 to 600	0
600 to 800	0
800 to 1000	1