Weather Records on 21 March 1939

280 weather records were set or tied worldwide on 21 March 1939. Highest significance: Kalahasti, IN.

Key Facts for 21 March 1939

On 21 March 1939, 280 weather records were set or tied at long-record stations worldwide.
104 were record highs and 28 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 10 monthly and 269 daily.
Kalahasti set a daily record precipitation of 43.2 mm (1.7 in) on 21 March 1939.
Across 157 earlier years (1797 to 2026) the same calendar date averaged 484 records.

Record Map

280 stations

280 station records on 21 March 1939 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 March 1939: highest significance records shown on the map
Station	Country	Type	Value	Significance
Kalahasti	India	Record daily precipitation	43.2 mm (1.7 in)	54 of 100 (Notable)
Razole(Rajole)	India	Record daily precipitation	46.7 mm (1.8 in)	54 of 100 (Notable)
Atherton Post Office	Australia	Record daily precipitation	193.5 mm (7.6 in)	52 of 100 (Notable)
Manapparai	India	Record daily precipitation	56.1 mm (2.2 in)	51 of 100 (Notable)
Herberton White St	Australia	Record daily precipitation	183.4 mm (7.2 in)	47 of 100 (Notable)
Coen Post Office	Australia	Record daily precipitation	159.5 mm (6.3 in)	46 of 100 (Notable)
Sullurpet	India	Record daily precipitation	30.7 mm (1.2 in)	44 of 100 (Notable)
Hambledon Mill Csr	Australia	Record daily precipitation	240.0 mm (9.4 in)	43 of 100 (Notable)
Port Douglas - Warner St	Australia	Record daily precipitation	182.9 mm (7.2 in)	43 of 100 (Notable)
Mooral	Australia	Record daily precipitation	31.5 mm (1.2 in)	43 of 100 (Notable)
Jaggiayapet	India	Record daily precipitation	50.8 mm (2.0 in)	43 of 100 (Notable)
Irvinebank	Australia	Record daily precipitation	89.2 mm (3.5 in)	39 of 100 (Notable)
Mandurama (Gallymont (Homeleig	Australia	Record daily precipitation	101.9 mm (4.0 in)	38 of 100 (Notable)
Eldorado	Australia	Record daily precipitation	38.9 mm (1.5 in)	38 of 100 (Notable)
Sivaganga	India	Record daily precipitation	43.2 mm (1.7 in)	38 of 100 (Notable)
Chittoor	India	Record daily precipitation	76.2 mm (3.0 in)	37 of 100 (Notable)
Peddapuram	India	Record daily precipitation	35.8 mm (1.4 in)	37 of 100 (Notable)
Marungapuri	India	Record daily precipitation	39.1 mm (1.5 in)	37 of 100 (Notable)
Lares	Puerto Rico [United States]	Record daily precipitation	72.4 mm (2.9 in)	34 of 100 (Routine)
Mareeba Post Office	Australia	Record daily precipitation	91.4 mm (3.6 in)	33 of 100 (Routine)
Innamincka Police Camp	Australia	Record daily precipitation	34.3 mm (1.4 in)	32 of 100 (Routine)
Cairns Post Office	Australia	Record daily precipitation	114.6 mm (4.5 in)	27 of 100 (Routine)
Mt Garnet Post Office	Australia	Record daily precipitation	64.0 mm (2.5 in)	27 of 100 (Routine)
Vishakhapatnam	India	Record daily precipitation	30.0 mm (1.2 in)	25 of 100 (Routine)
Las Vegas	United States	Record high minimum temperature	13.9 C (57.0 F)	25 of 100 (Routine)
Maytown	Australia	Record daily precipitation	38.4 mm (1.5 in)	24 of 100 (Routine)
Vijayawada	India	Record daily precipitation	46.2 mm (1.8 in)	24 of 100 (Routine)
Chidavaram	India	Record daily precipitation	54.4 mm (2.1 in)	24 of 100 (Routine)
Cardwell Marine Pde	Australia	Record daily precipitation	89.9 mm (3.5 in)	23 of 100 (Routine)
Mercanam	India	Record daily precipitation	32.3 mm (1.3 in)	23 of 100 (Routine)
Grassy Hill Radio Otc	Australia	Record daily precipitation	105.2 mm (4.1 in)	22 of 100 (Routine)
Paterson Post Office	Australia	Record daily precipitation	45.0 mm (1.8 in)	22 of 100 (Routine)
Cranbrook	Canada	Record high maximum temperature	20.0 C (68.0 F)	22 of 100 (Routine)
Anakapalli	India	Record daily precipitation	32.5 mm (1.3 in)	22 of 100 (Routine)
Minot Exp STN	United States	Record snow depth	10.2 cm (4.0 in)	21 of 100 (Routine)
St George	United States	Record high minimum temperature	11.1 C (52.0 F)	21 of 100 (Routine)
Altastenberg	Germany	Record daily precipitation	20.7 mm (0.8 in)	20 of 100 (Routine)
Milparinka (Yandama Downs)	Australia	Record daily precipitation	19.1 mm (0.8 in)	20 of 100 (Routine)
Tilcha	Australia	Record daily precipitation	19.1 mm (0.8 in)	20 of 100 (Routine)
Hohenpeissenberg	Germany	Record daily precipitation	23.3 mm (0.9 in)	20 of 100 (Routine)
Redrock 1 NNE	United States	Record daily precipitation	23.4 mm (0.9 in)	20 of 100 (Routine)
Ekaterinburg	Russia	Record daily precipitation	6.8 mm (0.27 in)	20 of 100 (Routine)
Tiruvur(Tiruvvru)	India	Record daily precipitation	20.1 mm (0.8 in)	20 of 100 (Routine)
Garsebach Bei Meissen	Germany	Record snow depth	4.0 cm (1.6 in)	20 of 100 (Routine)
Kavali	India	Record daily precipitation	18.3 mm (0.7 in)	20 of 100 (Routine)
Collingwood	Canada	Record daily snowfall	2.5 cm (1.0 in)	20 of 100 (Routine)
Minsk	Belarus	Record daily precipitation	17.0 mm (0.7 in)	20 of 100 (Routine)
Collingwood	Canada	Record daily precipitation	2.5 mm (0.10 in)	20 of 100 (Routine)
Boolcoomatta	Australia	Record daily precipitation	12.7 mm (0.5 in)	20 of 100 (Routine)
Tilpa (Tongo Road)	Australia	Record daily precipitation	17.8 mm (0.7 in)	20 of 100 (Routine)
Augsburg (Sankt Stephan)	Germany	Record daily precipitation	7.8 mm (0.31 in)	20 of 100 (Routine)
Devanhalli	India	Record daily precipitation	15.2 mm (0.6 in)	20 of 100 (Routine)
Quinyambie	Australia	Record daily precipitation	16.5 mm (0.6 in)	20 of 100 (Routine)
Bindara (Netley)	Australia	Record daily precipitation	12.7 mm (0.5 in)	20 of 100 (Routine)
Kakinada	India	Record daily precipitation	23.4 mm (0.9 in)	20 of 100 (Routine)
Arnsberg	Germany	Record daily precipitation	18.6 mm (0.7 in)	20 of 100 (Routine)
Dolphin@S Nose Obsy	India	Record daily precipitation	15.7 mm (0.6 in)	20 of 100 (Routine)
Markapur	India	Record daily precipitation	12.4 mm (0.5 in)	20 of 100 (Routine)
Chintalapudi	India	Record daily precipitation	16.0 mm (0.6 in)	20 of 100 (Routine)
Ponneri	India	Record daily precipitation	11.7 mm (0.5 in)	20 of 100 (Routine)

Counts by Type and Timescale

280 records

Records set or tied on 21 March 1939 by type: Highest daily maximum 64, Lowest daily maximum 11, Highest daily minimum 40, Lowest daily minimum 17, Heaviest daily rainfall 133, Heaviest daily snowfall 6, Deepest snow cover 9.

Records on 21 March 1939 by type
Record type	Records
Highest daily maximum	64
Lowest daily maximum	11
Highest daily minimum	40
Lowest daily minimum	17
Heaviest daily rainfall	133
Heaviest daily snowfall	6
Deepest snow cover	9

Records on 21 March 1939 by timescale: all-time 1, monthly 10, daily 269.

How Much Records Were Beaten By

224 broken records

Margins by which the 224 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 159.2. Ties are not counted.

Top 20 by Significance

21 March 1939

Top 20 records on 21 March 1939 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 March 1939	Kalahasti, IN	daily rain	43.2 mm (1.7 in)	43.2 mm (1.7 in)	37 years	54 of 100 (Notable)
21 March 1939	Razole(Rajole), IN	daily rain	46.7 mm (1.8 in)	46.7 mm (1.8 in)	37 years	54 of 100 (Notable)
21 March 1939	Atherton Post Office, AU	daily rain	193.5 mm (7.6 in)	159.2 mm (6.3 in)	29 years	52 of 100 (Notable)
21 March 1939	Manapparai, IN	daily rain	56.1 mm (2.2 in)	56.1 mm (2.2 in)	37 years	51 of 100 (Notable)
21 March 1939	Herberton White St, AU	daily rain	183.4 mm (7.2 in)	133.1 mm (5.2 in)	8 years	47 of 100 (Notable)
21 March 1939	Coen Post Office, AU	daily rain	159.5 mm (6.3 in)	99.0 mm (3.9 in)	5 years	46 of 100 (Notable)
21 March 1939	Sullurpet, IN	daily rain	30.7 mm (1.2 in)	30.7 mm (1.2 in)	37 years	44 of 100 (Notable)
21 March 1939	Hambledon Mill Csr, AU	daily rain	240.0 mm (9.4 in)	137.1 mm (5.4 in)	13 years	43 of 100 (Notable)
21 March 1939	Port Douglas - Warner St, AU	daily rain	182.9 mm (7.2 in)	101.6 mm (4.0 in)	47 years	43 of 100 (Notable)
21 March 1939	Mooral, AU	daily rain	31.5 mm (1.2 in)	31.5 mm (1.2 in)	33 years	43 of 100 (Notable)
21 March 1939	Jaggiayapet, IN	daily rain	50.8 mm (2.0 in)	45.5 mm (1.8 in)	1 year	43 of 100 (Notable)
21 March 1939	Irvinebank, AU	daily rain	89.2 mm (3.5 in)	56.7 mm (2.2 in)	29 years	39 of 100 (Notable)
21 March 1939	Mandurama (Gallymont (Homeleig, AU	all-time rain	101.9 mm (4.0 in)	4.9 mm (0.19 in)	38 years	38 of 100 (Notable)
21 March 1939	Eldorado, AU	daily rain	38.9 mm (1.5 in)	23.2 mm (0.9 in)	38 years	38 of 100 (Notable)
21 March 1939	Sivaganga, IN	daily rain	43.2 mm (1.7 in)	29.0 mm (1.1 in)	32 years	38 of 100 (Notable)
21 March 1939	Chittoor, IN	monthly rain	76.2 mm (3.0 in)	23.9 mm (0.9 in)	24 years	37 of 100 (Notable)
21 March 1939	Peddapuram, IN	daily rain	35.8 mm (1.4 in)	34.5 mm (1.4 in)	33 years	37 of 100 (Notable)
21 March 1939	Marungapuri, IN	daily rain	39.1 mm (1.5 in)	32.7 mm (1.3 in)	33 years	37 of 100 (Notable)
21 March 1939	Lares, PR	daily rain	72.4 mm (2.9 in)	38.1 mm (1.5 in)	12 years	34 of 100 (Routine)
21 March 1939	Mareeba Post Office, AU	daily rain	91.4 mm (3.6 in)	58.9 mm (2.3 in)	29 years	33 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 1939

Records set or tied on this calendar date in each year from 1797 to 1939. 1939 had 280 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 1939-03-21: 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 20	183
20 to 40	22
40 to 60	11
60 to 80	1
80 to 100	1
100 to 120	2
120 to 140	2
140 to 160	2