Weather Records on 30 March 1939

305 weather records were set or tied worldwide on 30 March 1939. Highest significance: Millsboro, US.

Key Facts for 30 March 1939

On 30 March 1939, 305 weather records were set or tied at long-record stations worldwide.
45 were record highs and 10 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 10 monthly and 295 daily.
Millsboro set a daily record precipitation of 62.2 mm (2.4 in) on 30 March 1939.
Across 162 earlier years (1796 to 2026) the same calendar date averaged 475 records.

Record Map

305 stations

305 station records on 30 March 1939 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 March 1939: highest significance records shown on the map
Station	Country	Type	Value	Significance
Millsboro	United States	Record daily precipitation	62.2 mm (2.4 in)	55 of 100 (Notable)
Hambantota	Sri Lanka	Record low maximum temperature	25.2 C (77.4 F)	54 of 100 (Notable)
Atlantic City Marina	United States	Record daily precipitation	47.5 mm (1.9 in)	54 of 100 (Notable)
Hattiesburg 5SW	United States	Record daily precipitation	102.9 mm (4.1 in)	53 of 100 (Notable)
Huntsville	Canada	Record daily snowfall	22.9 cm (9.0 in)	52 of 100 (Notable)
Port Gibson 1 NE	United States	Record daily precipitation	120.7 mm (4.8 in)	49 of 100 (Notable)
Arkansas City	United States	Record daily precipitation	109.5 mm (4.3 in)	46 of 100 (Notable)
Newnan 7 WNW	United States	Record daily precipitation	90.9 mm (3.6 in)	45 of 100 (Notable)
Leakesville 6 WSW	United States	Record daily precipitation	94.0 mm (3.7 in)	43 of 100 (Notable)
Dadeville	United States	Record daily precipitation	102.9 mm (4.1 in)	41 of 100 (Notable)
Columbia	United States	Record daily precipitation	89.2 mm (3.5 in)	41 of 100 (Notable)
Urandangi	Australia	Record daily precipitation	79.8 mm (3.1 in)	40 of 100 (Notable)
Waterloo	United States	Record daily snowfall	15.0 cm (5.9 in)	40 of 100 (Notable)
Belleville	Canada	Record daily precipitation	26.9 mm (1.1 in)	39 of 100 (Notable)
Georgetown	Canada	Record daily precipitation	27.2 mm (1.1 in)	38 of 100 (Notable)
Yates Hydro Plt	United States	Record daily precipitation	72.9 mm (2.9 in)	38 of 100 (Notable)
Vicksburg	United States	Record daily precipitation	72.4 mm (2.9 in)	38 of 100 (Notable)
Orillia	Canada	Record daily snowfall	15.2 cm (6.0 in)	36 of 100 (Notable)
Milstead	United States	Record daily precipitation	92.5 mm (3.6 in)	36 of 100 (Notable)
Wetumpka	United States	Record daily precipitation	74.2 mm (2.9 in)	36 of 100 (Notable)
Griffin	United States	Record daily precipitation	90.9 mm (3.6 in)	36 of 100 (Notable)
Brookhaven City	United States	Record daily precipitation	93.0 mm (3.7 in)	35 of 100 (Notable)
Duck Hill	United States	Record daily precipitation	113.8 mm (4.5 in)	35 of 100 (Notable)
Jackson 4 NW	United States	Record daily precipitation	61.5 mm (2.4 in)	34 of 100 (Routine)
Greensboro	United States	Record daily precipitation	58.9 mm (2.3 in)	33 of 100 (Routine)
Salisbury	United States	Record daily precipitation	71.1 mm (2.8 in)	33 of 100 (Routine)
Northfield	United States	Record daily precipitation	34.3 mm (1.4 in)	32 of 100 (Routine)
Anderson	United States	Record daily precipitation	51.3 mm (2.0 in)	32 of 100 (Routine)
Ilulissat (Jakobshavn)	Greenland [Denmark]	Record high minimum temperature	2.6 C (36.7 F)	31 of 100 (Routine)
Marshalltown	United States	Record daily precipitation	27.4 mm (1.1 in)	31 of 100 (Routine)
Barkerville	Canada	Record daily snowfall	15.2 cm (6.0 in)	30 of 100 (Routine)
Ottawa Cda	Canada	Record daily snowfall	19.1 cm (7.5 in)	30 of 100 (Routine)
Klerkskraal (Pol)	South Africa	Record daily precipitation	27.2 mm (1.1 in)	30 of 100 (Routine)
Welverdiend (Pol)	South Africa	Record daily precipitation	42.4 mm (1.7 in)	30 of 100 (Routine)
Carrollton Lock 1	United States	Record daily precipitation	28.4 mm (1.1 in)	30 of 100 (Routine)
Lancaster 2 NW	United States	Record daily precipitation	34.3 mm (1.4 in)	30 of 100 (Routine)
Clarksville Wwtp	United States	Record daily precipitation	48.0 mm (1.9 in)	30 of 100 (Routine)
Alice Springs Post Office	Australia	Record daily precipitation	48.3 mm (1.9 in)	29 of 100 (Routine)
Brantford	Canada	Record daily precipitation	29.7 mm (1.2 in)	29 of 100 (Routine)
Dras	India	Record daily precipitation	54.1 mm (2.1 in)	29 of 100 (Routine)
Arltunga	Australia	Record daily precipitation	39.1 mm (1.5 in)	28 of 100 (Routine)
Utica	United States	Record daily precipitation	77.5 mm (3.1 in)	28 of 100 (Routine)
Fountain Head	South Africa	Record daily precipitation	43.2 mm (1.7 in)	26 of 100 (Routine)
Marshalltown	United States	Record snow depth	142.2 cm (56.0 in)	26 of 100 (Routine)
Leitchfield 2 N	United States	Record daily precipitation	50.0 mm (2.0 in)	26 of 100 (Routine)
Yazoo City	United States	Record daily precipitation	58.7 mm (2.3 in)	26 of 100 (Routine)
Mont-Aigoual	France	Record daily precipitation	107.0 mm (4.2 in)	25 of 100 (Routine)
Decatur	United States	Record daily precipitation	44.7 mm (1.8 in)	25 of 100 (Routine)
W Pt	United States	Record daily precipitation	137.2 mm (5.4 in)	25 of 100 (Routine)
Brucefield	Canada	Record daily snowfall	11.4 cm (4.5 in)	24 of 100 (Routine)
Bathurst	Canada	Record daily snowfall	10.9 cm (4.3 in)	24 of 100 (Routine)
Washington 2 ESE	United States	Record daily precipitation	36.6 mm (1.4 in)	24 of 100 (Routine)
Marshalltown	United States	Record daily snowfall	26.7 cm (10.5 in)	24 of 100 (Routine)
Randleman	United States	Record daily precipitation	40.6 mm (1.6 in)	24 of 100 (Routine)
Poonch	India	Record daily precipitation	36.1 mm (1.4 in)	23 of 100 (Routine)
Roodekop	South Africa	Record daily precipitation	27.9 mm (1.1 in)	23 of 100 (Routine)
Dover	United States	Record daily precipitation	43.2 mm (1.7 in)	23 of 100 (Routine)
Owen Sound	Canada	Record daily snowfall	8.4 cm (3.3 in)	22 of 100 (Routine)
Helena	United States	Record daily precipitation	45.7 mm (1.8 in)	22 of 100 (Routine)
Williamstown	United States	Record daily precipitation	35.6 mm (1.4 in)	22 of 100 (Routine)

Counts by Type and Timescale

305 records

Records set or tied on 30 March 1939 by type: Highest daily maximum 16, Lowest daily maximum 6, Highest daily minimum 29, Lowest daily minimum 4, Heaviest daily rainfall 217, Heaviest daily snowfall 26, Deepest snow cover 7.

Records on 30 March 1939 by type
Record type	Records
Highest daily maximum	16
Lowest daily maximum	6
Highest daily minimum	29
Lowest daily minimum	4
Heaviest daily rainfall	217
Heaviest daily snowfall	26
Deepest snow cover	7

Records on 30 March 1939 by timescale: all-time 0, monthly 10, daily 295.

How Much Records Were Beaten By

269 broken records

Margins by which the 269 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 660.0. Ties are not counted.

Top 20 by Significance

30 March 1939

Top 20 records on 30 March 1939 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 March 1939	Millsboro, US	daily rain	62.2 mm (2.4 in)	52.0 mm (2.0 in)	38 years	55 of 100 (Notable)
30 March 1939	Hambantota, LK	daily low max	25.2 C (77.4 F)	3.7 C (6.7 F)	54 years	54 of 100 (Notable)
30 March 1939	Atlantic City Marina, US	daily rain	47.5 mm (1.9 in)	32.8 mm (1.3 in)	40 years	54 of 100 (Notable)
30 March 1939	Hattiesburg 5SW, US	daily rain	102.9 mm (4.1 in)	69.9 mm (2.8 in)	43 years	53 of 100 (Notable)
30 March 1939	Huntsville, CA	daily snowfall	22.9 cm (9.0 in)	19.1 cm (7.5 in)	43 years	52 of 100 (Notable)
30 March 1939	Port Gibson 1 NE, US	daily rain	120.7 mm (4.8 in)	101.6 mm (4.0 in)	16 years	49 of 100 (Notable)
30 March 1939	Arkansas City, US	monthly rain	109.5 mm (4.3 in)	30.8 mm (1.2 in)	45 years	46 of 100 (Notable)
30 March 1939	Newnan 7 WNW, US	daily rain	90.9 mm (3.6 in)	59.1 mm (2.3 in)	36 years	45 of 100 (Notable)
30 March 1939	Leakesville 6 WSW, US	daily rain	94.0 mm (3.7 in)	62.0 mm (2.4 in)	43 years	43 of 100 (Notable)
30 March 1939	Dadeville, US	daily rain	102.9 mm (4.1 in)	85.1 mm (3.4 in)	10 years	41 of 100 (Notable)
30 March 1939	Columbia, US	daily rain	89.2 mm (3.5 in)	70.4 mm (2.8 in)	10 years	41 of 100 (Notable)
30 March 1939	Urandangi, AU	daily rain	79.8 mm (3.1 in)	53.1 mm (2.1 in)	44 years	40 of 100 (Notable)
30 March 1939	Waterloo, US	daily snowfall	15.0 cm (5.9 in)	12.5 cm (4.9 in)	38 years	40 of 100 (Notable)
30 March 1939	Belleville, CA	daily rain	26.9 mm (1.1 in)	14.2 mm (0.6 in)	53 years	39 of 100 (Notable)
30 March 1939	Georgetown, CA	daily rain	27.2 mm (1.1 in)	15.0 mm (0.6 in)	24 years	38 of 100 (Notable)
30 March 1939	Yates Hydro Plt, US	daily rain	72.9 mm (2.9 in)	47.5 mm (1.9 in)	40 years	38 of 100 (Notable)
30 March 1939	Vicksburg, US	daily rain	72.4 mm (2.9 in)	57.4 mm (2.3 in)	16 years	38 of 100 (Notable)
30 March 1939	Orillia, CA	daily snowfall	15.2 cm (6.0 in)	12.7 cm (5.0 in)	8 years	36 of 100 (Notable)
30 March 1939	Milstead, US	daily rain	92.5 mm (3.6 in)	65.8 mm (2.6 in)	10 years	36 of 100 (Notable)
30 March 1939	Wetumpka, US	daily rain	74.2 mm (2.9 in)	44.5 mm (1.8 in)	40 years	36 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

1796 to 1939

Records set or tied on this calendar date in each year from 1796 to 1939. 1939 had 305 records.

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

Records on 03-30 in each year
Year	Records
1796	1
1805	1
1808	1
1815	1
1822	1
1830	2
1834	1
1840	1
1842	1
1847	1
1848	1
1854	1
1856	2
1859	1
1860	1
1862	1
1863	2
1865	4
1869	1
1872	6
1874	1
1881	4
1882	3
1883	2
1884	2
1885	1
1886	1
1887	5
1888	2
1890	4
1892	4
1894	2
1896	3
1897	1
1898	5
1899	2
1900	5
1901	6
1902	9
1903	8
1904	14
1905	35
1906	9
1907	28
1908	12
1909	18
1910	68
1911	45
1912	25
1913	31
1914	20
1915	78
1916	19
1917	248
1918	29
1919	42
1920	20
1921	32
1922	89
1923	229
1924	215
1925	90
1926	273
1927	80
1928	209
1929	99
1930	215
1931	254
1932	198
1933	382
1934	236
1935	187
1936	881
1937	262
1938	690
1939	305
1940	466
1941	438
1942	257
1943	928
1944	823
1945	676
1946	536
1947	1,000
1948	363
1949	795
1950	616
1951	569
1952	265
1953	432
1954	743
1955	437
1956	500
1957	330
1958	288
1959	398
1960	431
1961	404
1962	578
1963	1,010
1964	1,420
1965	376
1966	759
1967	1,261
1968	736
1969	1,372
1970	1,040
1971	490
1972	384
1973	1,089
1974	895
1975	1,255
1976	619
1977	1,627
1978	1,017
1979	753
1980	762
1981	898
1982	764
1983	624
1984	756
1985	1,331
1986	1,533
1987	1,850
1988	635
1989	1,063
1990	897
1991	821
1992	611
1993	712
1994	767
1995	920
1996	781
1997	911
1998	2,464
1999	708
2000	631
2001	840
2002	878
2003	1,472
2004	1,298
2005	683
2006	689
2007	1,265
2008	1,100
2009	750
2010	933
2011	670
2012	743
2013	691
2014	776
2015	1,194
2016	596
2017	1,267
2018	433
2019	662
2020	464
2021	1,013
2022	576
2023	1,107
2024	431
2025	956
2026	1,210

Download the Data

Data for records on 1939-03-30: 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	261
100 to 200	6
200 to 300	1
300 to 400	0
400 to 500	0
500 to 600	0
600 to 700	1