Weather Records on 30 August 1938

233 weather records were set or tied worldwide on 30 August 1938. Highest significance: Tunhovd, NO.

Key Facts for 30 August 1938

On 30 August 1938, 233 weather records were set or tied at long-record stations worldwide.
142 were record highs and 18 were record lows, counting maximum and minimum temperature.
By timescale, 4 were all-time records, 9 monthly and 220 daily.
Tunhovd set an all-time record daily precipitation of 76.5 mm (3.0 in) on 30 August 1938.
Across 169 earlier years (1806 to 2026) the same calendar date averaged 424 records.

Record Map

233 stations

233 station records on 30 August 1938 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 August 1938: highest significance records shown on the map
Station	Country	Type	Value	Significance
Tunhovd	Norway	Record daily precipitation	76.5 mm (3.0 in)	62 of 100 (Major)
Praha-Klementinum	Czech Republic	Record daily precipitation	38.6 mm (1.5 in)	55 of 100 (Notable)
Artern	Germany	Record daily precipitation	30.1 mm (1.2 in)	50 of 100 (Notable)
Bremen-Seefahrtschule	Germany	Record daily precipitation	44.7 mm (1.8 in)	46 of 100 (Notable)
Beito	Norway	Record daily precipitation	69.8 mm (2.7 in)	43 of 100 (Notable)
Skjak	Norway	Record daily precipitation	41.0 mm (1.6 in)	42 of 100 (Notable)
Altastenberg	Germany	Record daily precipitation	33.8 mm (1.3 in)	40 of 100 (Notable)
Halsey 2 W	United States	Record daily precipitation	46.7 mm (1.8 in)	40 of 100 (Notable)
Jackson Exp STN	United States	Record daily precipitation	66.0 mm (2.6 in)	40 of 100 (Notable)
Barguzin	Russia	Record daily precipitation	36.2 mm (1.4 in)	38 of 100 (Notable)
Uman	Ukraine	Record daily precipitation	35.5 mm (1.4 in)	34 of 100 (Routine)
Geilo	Norway	Record daily precipitation	58.8 mm (2.3 in)	33 of 100 (Routine)
Montevideo 1SW	United States	Record daily precipitation	31.2 mm (1.2 in)	32 of 100 (Routine)
Caruthersville	United States	Record daily precipitation	58.4 mm (2.3 in)	32 of 100 (Routine)
Vik I Sogn III	Norway	Record daily precipitation	33.4 mm (1.3 in)	31 of 100 (Routine)
Kursk	Russia	Record high minimum temperature	21.0 C (69.8 F)	31 of 100 (Routine)
Rauland	Norway	Record daily precipitation	70.0 mm (2.8 in)	30 of 100 (Routine)
Watertown	United States	Record daily precipitation	31.2 mm (1.2 in)	29 of 100 (Routine)
Blair	United States	Record daily precipitation	43.4 mm (1.7 in)	28 of 100 (Routine)
Oksoey Fyr	Norway	Record daily precipitation	33.8 mm (1.3 in)	26 of 100 (Routine)
Vang I Valdres	Norway	Record daily precipitation	53.4 mm (2.1 in)	26 of 100 (Routine)
Postmyr I Drangedal	Norway	Record daily precipitation	74.4 mm (2.9 in)	26 of 100 (Routine)
Sogndal - Selseng	Norway	Record daily precipitation	36.1 mm (1.4 in)	25 of 100 (Routine)
Coloso	Puerto Rico [United States]	Record high maximum temperature	35.6 C (96.1 F)	25 of 100 (Routine)
Redrock 1 NNE	United States	Record daily precipitation	46.7 mm (1.8 in)	25 of 100 (Routine)
Rugby	United States	Record high minimum temperature	22.8 C (73.0 F)	25 of 100 (Routine)
Herefoss	Norway	Record daily precipitation	45.2 mm (1.8 in)	24 of 100 (Routine)
Boras	Sweden	Record high minimum temperature	16.0 C (60.8 F)	24 of 100 (Routine)
Edgewater	United States	Record daily precipitation	25.9 mm (1.0 in)	24 of 100 (Routine)
Constantine	Algeria	Record low maximum temperature	23.0 C (73.4 F)	23 of 100 (Routine)
Berlin-Dahlem	Germany	Record high minimum temperature	16.6 C (61.9 F)	23 of 100 (Routine)
Lakeview 2 NNW	United States	Record high minimum temperature	17.8 C (64.0 F)	23 of 100 (Routine)
Visby_Flygplats	Sweden	Record high maximum temperature	24.2 C (75.6 F)	22 of 100 (Routine)
Laghouat	Algeria	Record low maximum temperature	29.0 C (84.2 F)	21 of 100 (Routine)
Greifswald	Germany	Record high minimum temperature	17.5 C (63.5 F)	21 of 100 (Routine)
Narasannapeta	India	Record daily precipitation	59.7 mm (2.4 in)	21 of 100 (Routine)
Mykland	Norway	Record daily precipitation	48.3 mm (1.9 in)	21 of 100 (Routine)
Kamennaja-Step	Russia	Record high minimum temperature	20.4 C (68.7 F)	21 of 100 (Routine)
Border 3 N	United States	Record daily precipitation	29.7 mm (1.2 in)	21 of 100 (Routine)
Weilerswist-Lommersum	Germany	Record daily precipitation	18.7 mm (0.7 in)	20 of 100 (Routine)
Beowawe	United States	Record daily precipitation	16.5 mm (0.6 in)	20 of 100 (Routine)
Mount Wallace	Australia	Record daily precipitation	11.4 mm (0.4 in)	20 of 100 (Routine)
Aachen	Germany	Record daily precipitation	20.0 mm (0.8 in)	20 of 100 (Routine)
Aberdeen (Tnk)	South Africa	Record daily precipitation	0.3 mm (0.01 in)	20 of 100 (Routine)
Winterhoek	South Africa	Record daily precipitation	3.8 mm (0.15 in)	20 of 100 (Routine)
Uman	Ukraine	Record high minimum temperature	16.2 C (61.2 F)	20 of 100 (Routine)
Bay Saint Louis	United States	Record high maximum temperature	37.2 C (99.0 F)	20 of 100 (Routine)
Magdeburg	Germany	Record high minimum temperature	16.5 C (61.7 F)	19 of 100 (Routine)
Sotchi	Russia	Record high minimum temperature	22.9 C (73.2 F)	19 of 100 (Routine)
Haparanda	Sweden	Record high maximum temperature	21.8 C (71.2 F)	19 of 100 (Routine)
Linkoeping-Malmslaett	Sweden	Record high minimum temperature	14.6 C (58.3 F)	19 of 100 (Routine)
Kristianstad	Sweden	Record high maximum temperature	25.0 C (77.0 F)	19 of 100 (Routine)
Bisbee	United States	Record high minimum temperature	20.6 C (69.1 F)	19 of 100 (Routine)
Vasilevici	Belarus	Record high minimum temperature	17.5 C (63.5 F)	18 of 100 (Routine)
Lubeck-Werft	Germany	Record high minimum temperature	15.6 C (60.1 F)	18 of 100 (Routine)
Waren	Germany	Record high minimum temperature	15.2 C (59.4 F)	18 of 100 (Routine)
Briksdal	Norway	Record daily precipitation	40.3 mm (1.6 in)	18 of 100 (Routine)
Bratsk	Russia	Record low minimum temperature	-2.8 C (27.0 F)	18 of 100 (Routine)
Timovskoe	Russia	Record high minimum temperature	17.9 C (64.2 F)	18 of 100 (Routine)
Harkerville (Bos)	South Africa	Record daily precipitation	22.9 mm (0.9 in)	18 of 100 (Routine)

Counts by Type and Timescale

233 records

Records set or tied on 30 August 1938 by type: Highest daily maximum 62, Lowest daily maximum 9, Highest daily minimum 80, Lowest daily minimum 9, Heaviest daily rainfall 73.

Records on 30 August 1938 by type
Record type	Records
Highest daily maximum	62
Lowest daily maximum	9
Highest daily minimum	80
Lowest daily minimum	9
Heaviest daily rainfall	73
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 30 August 1938 by timescale: all-time 4, monthly 9, daily 220.

How Much Records Were Beaten By

172 broken records

Margins by which the 172 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 42.4. Ties are not counted.

Top 20 by Significance

30 August 1938

Top 20 records on 30 August 1938 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 August 1938	Tunhovd, NO	all-time rain	76.5 mm (3.0 in)	23.9 mm (0.9 in)	6 years	62 of 100 (Major)
30 August 1938	Praha-Klementinum, CZ	daily rain	38.6 mm (1.5 in)	9.5 mm (0.37 in)	109 years	55 of 100 (Notable)
30 August 1938	Artern, DE	daily rain	30.1 mm (1.2 in)	21.4 mm (0.8 in)	25 years	50 of 100 (Notable)
30 August 1938	Bremen-Seefahrtschule, DE	daily rain	44.7 mm (1.8 in)	31.2 mm (1.2 in)	9 years	46 of 100 (Notable)
30 August 1938	Beito, NO	all-time rain	69.8 mm (2.7 in)	9.6 mm (0.38 in)	28 years	43 of 100 (Notable)
30 August 1938	Skjak, NO	all-time rain	41.0 mm (1.6 in)	6.0 mm (0.24 in)	18 years	42 of 100 (Notable)
30 August 1938	Altastenberg, DE	daily rain	33.8 mm (1.3 in)	18.3 mm (0.7 in)	17 years	40 of 100 (Notable)
30 August 1938	Halsey 2 W, US	daily rain	46.7 mm (1.8 in)	40.3 mm (1.6 in)	29 years	40 of 100 (Notable)
30 August 1938	Jackson Exp STN, US	daily rain	66.0 mm (2.6 in)	35.5 mm (1.4 in)	42 years	40 of 100 (Notable)
30 August 1938	Barguzin, RU	daily rain	36.2 mm (1.4 in)	24.3 mm (1.0 in)	9 years	38 of 100 (Notable)
30 August 1938	Uman, UA	daily rain	35.5 mm (1.4 in)	17.5 mm (0.7 in)	13 years	34 of 100 (Routine)
30 August 1938	Geilo, NO	all-time rain	58.8 mm (2.3 in)	2.2 mm (0.09 in)	21 years	33 of 100 (Routine)
30 August 1938	Montevideo 1SW, US	daily rain	31.2 mm (1.2 in)	20.0 mm (0.8 in)	38 years	32 of 100 (Routine)
30 August 1938	Caruthersville, US	daily rain	58.4 mm (2.3 in)	42.4 mm (1.7 in)	4 years	32 of 100 (Routine)
30 August 1938	Vik I Sogn III, NO	daily rain	33.4 mm (1.3 in)	15.2 mm (0.6 in)	1 year	31 of 100 (Routine)
30 August 1938	Kursk, RU	daily high min	21.0 C (69.8 F)	4.0 C (7.2 F)	46 years	31 of 100 (Routine)
30 August 1938	Rauland, NO	monthly rain	70.0 mm (2.8 in)	7.6 mm (0.30 in)	26 years	30 of 100 (Routine)
30 August 1938	Watertown, US	daily rain	31.2 mm (1.2 in)	18.2 mm (0.7 in)	32 years	29 of 100 (Routine)
30 August 1938	Blair, US	daily rain	43.4 mm (1.7 in)	18.0 mm (0.7 in)	38 years	28 of 100 (Routine)
30 August 1938	Oksoey Fyr, NO	daily rain	33.8 mm (1.3 in)	3.8 mm (0.15 in)	53 years	26 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

1806 to 1938

Records set or tied on this calendar date in each year from 1806 to 1938. 1938 had 233 records.

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

Records on 08-30 in each year
Year	Records
1806	1
1807	4
1813	1
1814	2
1827	1
1829	1
1835	1
1838	1
1839	1
1845	4
1850	1
1851	2
1855	1
1857	1
1859	1
1864	2
1867	1
1869	1
1870	2
1874	1
1875	2
1876	1
1877	2
1878	1
1880	4
1881	2
1882	1
1884	1
1885	5
1886	7
1887	1
1888	1
1889	2
1890	5
1891	1
1892	3
1893	3
1894	2
1895	1
1896	1
1897	3
1898	3
1899	2
1900	6
1901	8
1902	12
1903	19
1904	13
1905	23
1906	29
1907	8
1908	10
1909	37
1910	15
1911	41
1912	60
1913	22
1914	23
1915	47
1916	17
1917	50
1918	45
1919	17
1920	78
1921	100
1922	65
1923	61
1924	283
1925	167
1926	173
1927	109
1928	327
1929	208
1930	245
1931	192
1932	1,102
1933	274
1934	519
1935	476
1936	191
1937	418
1938	233
1939	401
1940	346
1941	422
1942	385
1943	487
1944	491
1945	455
1946	545
1947	599
1948	519
1949	240
1950	481
1951	1,091
1952	316
1953	1,124
1954	516
1955	417
1956	479
1957	321
1958	363
1959	546
1960	356
1961	573
1962	387
1963	442
1964	422
1965	1,118
1966	500
1967	536
1968	729
1969	522
1970	423
1971	443
1972	579
1973	646
1974	838
1975	664
1976	679
1977	665
1978	825
1979	517
1980	572
1981	684
1982	770
1983	696
1984	1,127
1985	629
1986	1,768
1987	638
1988	881
1989	791
1990	983
1991	938
1992	1,697
1993	1,200
1994	601
1995	940
1996	1,385
1997	960
1998	1,278
1999	864
2000	1,189
2001	750
2002	801
2003	1,226
2004	1,087
2005	1,500
2006	989
2007	1,300
2008	678
2009	1,251
2010	1,552
2011	994
2012	1,087
2013	644
2014	558
2015	1,074
2016	552
2017	924
2018	616
2019	755
2020	671
2021	429
2022	1,077
2023	651
2024	912
2025	324
2026	733

Download the Data

Data for records on 1938-08-30: 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 10	147
10 to 20	16
20 to 30	5
30 to 40	2
40 to 50	2