Weather Records on 31 August 1930

243 weather records were set or tied worldwide on 31 August 1930. Highest significance: Kokstad, ZA.

Key Facts for 31 August 1930

On 31 August 1930, 243 weather records were set or tied at long-record stations worldwide.
124 were record highs and 43 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 6 monthly and 237 daily.
Kokstad set a daily record precipitation of 30.5 mm (1.2 in) on 31 August 1930.
Across 165 earlier years (1796 to 2026) the same calendar date averaged 437 records.

Record Map

243 stations

243 station records on 31 August 1930 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 31 August 1930: highest significance records shown on the map
Station	Country	Type	Value	Significance
Kokstad	South Africa	Record daily precipitation	30.5 mm (1.2 in)	58 of 100 (Notable)
Nikolaev	Ukraine	Record daily precipitation	39.0 mm (1.5 in)	43 of 100 (Notable)
Uppsala_Aut	Sweden	Record daily precipitation	40.6 mm (1.6 in)	41 of 100 (Notable)
Vasteras-Hasslo	Sweden	Record daily precipitation	41.8 mm (1.6 in)	40 of 100 (Notable)
Bellefontaine	United States	Record daily precipitation	51.1 mm (2.0 in)	37 of 100 (Notable)
Upper Sandusky	United States	Record daily precipitation	39.1 mm (1.5 in)	35 of 100 (Notable)
Przhevalsk	Kyrgyzstan	Record daily precipitation	30.1 mm (1.2 in)	34 of 100 (Routine)
Covington 8 WNW	United States	Record daily precipitation	52.8 mm (2.1 in)	34 of 100 (Routine)
Delaware	United States	Record daily precipitation	36.6 mm (1.4 in)	32 of 100 (Routine)
Greenville Wtp	United States	Record daily precipitation	39.9 mm (1.6 in)	31 of 100 (Routine)
Prescott 2 NNW	United States	Record daily precipitation	55.6 mm (2.2 in)	30 of 100 (Routine)
Schriever	United States	Record daily precipitation	66.0 mm (2.6 in)	29 of 100 (Routine)
Kenton	United States	Record daily precipitation	53.1 mm (2.1 in)	28 of 100 (Routine)
New Orleans Carrollton	United States	Record daily precipitation	93.0 mm (3.7 in)	27 of 100 (Routine)
Butterworth (Tnk)	South Africa	Record daily precipitation	35.3 mm (1.4 in)	26 of 100 (Routine)
Bird Island	United States	Record daily precipitation	54.6 mm (2.1 in)	25 of 100 (Routine)
Bird Rocks	Canada	Record high minimum temperature	17.2 C (63.0 F)	24 of 100 (Routine)
Deland 1 SSE	United States	Record low minimum temperature	17.2 C (63.0 F)	23 of 100 (Routine)
Avon Park 2 W	United States	Record low minimum temperature	18.3 C (64.9 F)	22 of 100 (Routine)
Ocala	United States	Record low minimum temperature	17.2 C (63.0 F)	22 of 100 (Routine)
New Bremen	United States	Record daily precipitation	53.8 mm (2.1 in)	22 of 100 (Routine)
Escanaba	United States	Record high minimum temperature	19.4 C (66.9 F)	22 of 100 (Routine)
Coldwater	Canada	Record high minimum temperature	18.9 C (66.0 F)	21 of 100 (Routine)
Camden 1	United States	Record daily precipitation	48.3 mm (1.9 in)	21 of 100 (Routine)
Bartow 1SE	United States	Record low minimum temperature	18.3 C (64.9 F)	21 of 100 (Routine)
Canyon Ferry	United States	Record low maximum temperature	12.8 C (55.0 F)	21 of 100 (Routine)
Keilands	South Africa	Record daily precipitation	12.7 mm (0.5 in)	20 of 100 (Routine)
Hamilton	Australia	Record daily precipitation	16.0 mm (0.6 in)	20 of 100 (Routine)
Anderson 1 N	United States	Record daily precipitation	18.5 mm (0.7 in)	20 of 100 (Routine)
Willowvale (Tnk)	South Africa	Record daily precipitation	19.3 mm (0.8 in)	20 of 100 (Routine)
Marengo	United States	Record daily precipitation	19.3 mm (0.8 in)	20 of 100 (Routine)
Montevideo 1SW	United States	Record daily precipitation	16.8 mm (0.7 in)	20 of 100 (Routine)
Vermillion 2 SE	United States	Record daily precipitation	24.4 mm (1.0 in)	20 of 100 (Routine)
Prince Albert	Canada	Record low maximum temperature	8.9 C (48.0 F)	20 of 100 (Routine)
Halifax	Canada	Record high minimum temperature	17.2 C (63.0 F)	20 of 100 (Routine)
Belle Isle	Canada	Record high minimum temperature	12.2 C (54.0 F)	20 of 100 (Routine)
Katberg (Bos)	South Africa	Record daily precipitation	6.6 mm (0.26 in)	20 of 100 (Routine)
Lady Frere (Tnk)	South Africa	Record daily precipitation	18.5 mm (0.7 in)	20 of 100 (Routine)
Plant City	United States	Record low minimum temperature	17.2 C (63.0 F)	20 of 100 (Routine)
Scottsburg	United States	Record daily precipitation	21.1 mm (0.8 in)	20 of 100 (Routine)
Seymour 1 WSW	United States	Record daily precipitation	14.0 mm (0.6 in)	20 of 100 (Routine)
Fall River	United States	Record high maximum temperature	33.3 C (91.9 F)	20 of 100 (Routine)
Havre Wb City	United States	Record low minimum temperature	3.3 C (37.9 F)	20 of 100 (Routine)
Banff	Canada	Record daily snowfall	2.3 cm (0.9 in)	19 of 100 (Routine)
Nordby (Fano)	Denmark	Record high minimum temperature	16.2 C (61.2 F)	19 of 100 (Routine)
Parnu	Estonia	Record high minimum temperature	16.7 C (62.1 F)	19 of 100 (Routine)
Tashkent	Uzbekistan	Record daily precipitation	0.1 mm (0.00 in)	19 of 100 (Routine)
Altastenberg	Germany	Record high minimum temperature	14.6 C (58.3 F)	18 of 100 (Routine)
Blikana	South Africa	Record daily precipitation	4.8 mm (0.19 in)	18 of 100 (Routine)
Ruston la Tech	United States	Record daily precipitation	35.6 mm (1.4 in)	18 of 100 (Routine)
Augusta	United States	Record daily snowfall	2.5 cm (1.0 in)	18 of 100 (Routine)
Lewisburg 3 N	United States	Record high maximum temperature	33.9 C (93.0 F)	18 of 100 (Routine)
Dordrecht - Tnk 14	South Africa	Record daily precipitation	12.2 mm (0.5 in)	17 of 100 (Routine)
Orskar_A	Sweden	Record daily precipitation	23.5 mm (0.9 in)	17 of 100 (Routine)
Sparta 1 W	United States	Record high minimum temperature	24.4 C (75.9 F)	17 of 100 (Routine)
Walnut	United States	Record daily precipitation	25.4 mm (1.0 in)	17 of 100 (Routine)
Algona	United States	Record high maximum temperature	34.4 C (93.9 F)	17 of 100 (Routine)
Corning	United States	Record high minimum temperature	25.0 C (77.0 F)	17 of 100 (Routine)
Scott	United States	Record daily precipitation	16.5 mm (0.6 in)	17 of 100 (Routine)
Grand Coteau	United States	Record low maximum temperature	27.8 C (82.0 F)	17 of 100 (Routine)

Counts by Type and Timescale

243 records

Records set or tied on 31 August 1930 by type: Highest daily maximum 65, Lowest daily maximum 16, Highest daily minimum 59, Lowest daily minimum 27, Heaviest daily rainfall 73, Heaviest daily snowfall 3.

Records on 31 August 1930 by type
Record type	Records
Highest daily maximum	65
Lowest daily maximum	16
Highest daily minimum	59
Lowest daily minimum	27
Heaviest daily rainfall	73
Heaviest daily snowfall	3
Deepest snow cover	0

Records on 31 August 1930 by timescale: all-time 0, monthly 6, daily 237.

How Much Records Were Beaten By

175 broken records

Margins by which the 175 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 37.6. Ties are not counted.

Top 20 by Significance

31 August 1930

Top 20 records on 31 August 1930 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
31 August 1930	Kokstad, ZA	daily rain	30.5 mm (1.2 in)	30.5 mm (1.2 in)	46 years	58 of 100 (Notable)
31 August 1930	Nikolaev, UA	daily rain	39.0 mm (1.5 in)	28.0 mm (1.1 in)	1 year	43 of 100 (Notable)
31 August 1930	Uppsala_Aut, SE	daily rain	40.6 mm (1.6 in)	12.2 mm (0.5 in)	44 years	41 of 100 (Notable)
31 August 1930	Vasteras-Hasslo, SE	daily rain	41.8 mm (1.6 in)	14.8 mm (0.6 in)	32 years	40 of 100 (Notable)
31 August 1930	Bellefontaine, US	daily rain	51.1 mm (2.0 in)	37.6 mm (1.5 in)	9 years	37 of 100 (Notable)
31 August 1930	Upper Sandusky, US	daily rain	39.1 mm (1.5 in)	34.0 mm (1.3 in)	17 years	35 of 100 (Notable)
31 August 1930	Przhevalsk, KG	daily rain	30.1 mm (1.2 in)	17.1 mm (0.7 in)	17 years	34 of 100 (Routine)
31 August 1930	Covington 8 WNW, US	daily rain	52.8 mm (2.1 in)	32.5 mm (1.3 in)	31 years	34 of 100 (Routine)
31 August 1930	Delaware, US	daily rain	36.6 mm (1.4 in)	31.5 mm (1.2 in)	12 years	32 of 100 (Routine)
31 August 1930	Greenville Wtp, US	daily rain	39.9 mm (1.6 in)	28.7 mm (1.1 in)	9 years	31 of 100 (Routine)
31 August 1930	Prescott 2 NNW, US	daily rain	55.6 mm (2.2 in)	32.2 mm (1.3 in)	24 years	30 of 100 (Routine)
31 August 1930	Schriever, US	daily rain	66.0 mm (2.6 in)	35.5 mm (1.4 in)	1 year	29 of 100 (Routine)
31 August 1930	Kenton, US	daily rain	53.1 mm (2.1 in)	23.4 mm (0.9 in)	20 years	28 of 100 (Routine)
31 August 1930	New Orleans Carrollton, US	monthly rain	93.0 mm (3.7 in)	18.8 mm (0.7 in)	1 year	27 of 100 (Routine)
31 August 1930	Butterworth (Tnk), ZA	daily rain	35.3 mm (1.4 in)	14.2 mm (0.6 in)	12 years	26 of 100 (Routine)
31 August 1930	Bird Island, US	daily rain	54.6 mm (2.1 in)	19.0 mm (0.7 in)	25 years	25 of 100 (Routine)
31 August 1930	Bird Rocks, CA	daily high min	17.2 C (63.0 F)	1.6 C (2.9 F)	40 years	24 of 100 (Routine)
31 August 1930	Deland 1 SSE, US	daily low min	17.2 C (63.0 F)	2.2 C (4.0 F)	16 years	23 of 100 (Routine)
31 August 1930	Avon Park 2 W, US	daily low min	18.3 C (64.9 F)	1.7 C (3.1 F)	13 years	22 of 100 (Routine)
31 August 1930	Ocala, US	daily low min	17.2 C (63.0 F)	1.7 C (3.1 F)	28 years	22 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

1796 to 1930

Records set or tied on this calendar date in each year from 1796 to 1930. 1930 had 243 records.

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

Records on 08-31 in each year
Year	Records
1796	1
1806	1
1807	2
1813	1
1814	1
1816	1
1827	1
1836	1
1846	1
1849	1
1851	1
1856	2
1858	1
1859	1
1860	1
1861	1
1863	1
1867	1
1869	1
1873	1
1875	1
1876	1
1877	2
1879	2
1881	3
1882	2
1885	1
1886	5
1887	1
1889	1
1890	2
1892	3
1893	1
1894	1
1895	1
1896	1
1897	5
1898	10
1899	4
1900	3
1901	5
1902	5
1903	16
1904	13
1905	8
1906	47
1907	6
1908	12
1909	39
1910	20
1911	31
1912	34
1913	40
1914	23
1915	71
1916	7
1917	60
1918	58
1919	25
1920	46
1921	86
1922	58
1923	63
1924	232
1925	111
1926	148
1927	103
1928	201
1929	300
1930	243
1931	192
1932	807
1933	424
1934	381
1935	540
1936	226
1937	508
1938	324
1939	296
1940	400
1941	528
1942	422
1943	650
1944	638
1945	572
1946	545
1947	473
1948	367
1949	409
1950	662
1951	910
1952	388
1953	1,054
1954	633
1955	539
1956	734
1957	317
1958	417
1959	496
1960	366
1961	625
1962	432
1963	415
1964	591
1965	886
1966	830
1967	952
1968	562
1969	474
1970	558
1971	326
1972	287
1973	793
1974	587
1975	658
1976	732
1977	621
1978	891
1979	400
1980	701
1981	692
1982	586
1983	788
1984	866
1985	854
1986	1,218
1987	836
1988	570
1989	622
1990	966
1991	848
1992	1,274
1993	1,286
1994	1,139
1995	1,077
1996	1,451
1997	943
1998	1,163
1999	988
2000	1,545
2001	944
2002	852
2003	1,232
2004	963
2005	1,782
2006	1,147
2007	1,110
2008	870
2009	1,224
2010	1,490
2011	994
2012	932
2013	771
2014	458
2015	1,074
2016	599
2017	596
2018	366
2019	781
2020	737
2021	553
2022	1,191
2023	600
2024	766
2025	307
2026	595

Download the Data

Data for records on 1930-08-31: 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 5	126
5 to 10	17
10 to 15	11
15 to 20	7
20 to 25	4
25 to 30	3
30 to 35	5
35 to 40	2