Weather Records on 23 August 1940

535 weather records were set or tied worldwide on 23 August 1940. Highest significance: Mungeli, IN.

Key Facts for 23 August 1940

On 23 August 1940, 535 weather records were set or tied at long-record stations worldwide.
48 were record highs and 330 were record lows, counting maximum and minimum temperature.
By timescale, 5 were all-time records, 31 monthly and 499 daily.
Mungeli set an all-time record daily precipitation of 240.3 mm (9.5 in) on 23 August 1940.
Across 164 earlier years (1802 to 2026) the same calendar date averaged 443 records.

Record Map

535 stations

535 station records on 23 August 1940 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 23 August 1940: highest significance records shown on the map
Station	Country	Type	Value	Significance
Mungeli	India	Record daily precipitation	240.3 mm (9.5 in)	66 of 100 (Major)
Mackay Post Office	Australia	Record daily precipitation	74.9 mm (2.9 in)	60 of 100 (Major)
Nebo	Australia	Record daily precipitation	46.7 mm (1.8 in)	57 of 100 (Notable)
Oestersund-Froesoen	Sweden	Record daily precipitation	66.8 mm (2.6 in)	57 of 100 (Notable)
Mirani Post Office	Australia	Record daily precipitation	88.4 mm (3.5 in)	56 of 100 (Notable)
Walkerston	Australia	Record daily precipitation	66.5 mm (2.6 in)	54 of 100 (Notable)
Bilaspur	India	Record daily precipitation	271.8 mm (10.7 in)	49 of 100 (Notable)
Te Kowai Exp STN	Australia	Record daily precipitation	62.2 mm (2.4 in)	47 of 100 (Notable)
Proserpine Post Office	Australia	Record daily precipitation	53.8 mm (2.1 in)	47 of 100 (Notable)
Flat Top Island	Australia	Record daily precipitation	49.3 mm (1.9 in)	47 of 100 (Notable)
Sarajevo	Bosnia and Herzegovina	Record daily precipitation	41.5 mm (1.6 in)	46 of 100 (Notable)
Bowen Post Office	Australia	Record daily precipitation	76.5 mm (3.0 in)	43 of 100 (Notable)
Twin Hills Post Office	Australia	Record daily precipitation	34.0 mm (1.3 in)	43 of 100 (Notable)
Sunticoppa	India	Record daily precipitation	70.1 mm (2.8 in)	42 of 100 (Notable)
Roros	Norway	Record daily precipitation	57.4 mm (2.3 in)	42 of 100 (Notable)
Emu Park Hill St	Australia	Record daily precipitation	34.3 mm (1.4 in)	41 of 100 (Notable)
Tunhovd	Norway	Record daily precipitation	28.7 mm (1.1 in)	41 of 100 (Notable)
Praha-Klementinum	Czech Republic	Record low maximum temperature	14.0 C (57.2 F)	40 of 100 (Notable)
Leipzig-Holzhausen	Germany	Record low maximum temperature	12.0 C (53.6 F)	40 of 100 (Notable)
Mohpani	India	Record daily precipitation	170.2 mm (6.7 in)	40 of 100 (Notable)
Frazerpet	India	Record daily precipitation	43.9 mm (1.7 in)	39 of 100 (Notable)
Bic	Canada	Record daily precipitation	33.0 mm (1.3 in)	38 of 100 (Notable)
Koebenhavn: Landbohojskolen-1	Denmark	Record daily precipitation	27.6 mm (1.1 in)	36 of 100 (Notable)
Bhandar	India	Record daily precipitation	152.4 mm (6.0 in)	36 of 100 (Notable)
Cape Otway Lighthouse	Australia	Record high minimum temperature	14.4 C (57.9 F)	35 of 100 (Notable)
Magarwara	India	Record daily precipitation	199.4 mm (7.9 in)	35 of 100 (Notable)
Lawrence	United States	Record daily precipitation	61.2 mm (2.4 in)	35 of 100 (Notable)
Eton Police Station	Australia	Record daily precipitation	63.5 mm (2.5 in)	34 of 100 (Routine)
Gospic	Croatia	Record low minimum temperature	0.0 C (32.0 F)	34 of 100 (Routine)
Bloomsbury Post Office	Australia	Record daily precipitation	44.2 mm (1.7 in)	33 of 100 (Routine)
Mount McConnell	Australia	Record daily precipitation	40.1 mm (1.6 in)	33 of 100 (Routine)
Pendra Road	India	Record daily precipitation	131.6 mm (5.2 in)	33 of 100 (Routine)
Ambagarh Chowki	India	Record daily precipitation	131.8 mm (5.2 in)	33 of 100 (Routine)
Cap Chat	Canada	Record daily precipitation	25.4 mm (1.0 in)	32 of 100 (Routine)
Putbus	Germany	Record low maximum temperature	12.8 C (55.0 F)	32 of 100 (Routine)
Barwasagar	India	Record daily precipitation	139.7 mm (5.5 in)	32 of 100 (Routine)
Geilo	Norway	Record daily precipitation	26.5 mm (1.0 in)	32 of 100 (Routine)
Hypoluxo	United States	Record daily precipitation	70.6 mm (2.8 in)	32 of 100 (Routine)
Jena Sternwarte	Germany	Record low maximum temperature	12.6 C (54.7 F)	31 of 100 (Routine)
Cuero	United States	Record low minimum temperature	17.2 C (63.0 F)	31 of 100 (Routine)
Hill City Muni AP	United States	Record daily precipitation	55.4 mm (2.2 in)	31 of 100 (Routine)
Cooran Post Office	Australia	Record daily precipitation	29.2 mm (1.1 in)	30 of 100 (Routine)
Goderich	Canada	Record low maximum temperature	17.2 C (63.0 F)	30 of 100 (Routine)
Roomal	India	Record daily precipitation	101.1 mm (4.0 in)	30 of 100 (Routine)
Rutherglen	Canada	Record low maximum temperature	7.2 C (45.0 F)	29 of 100 (Routine)
Blanco	United States	Record low minimum temperature	13.3 C (55.9 F)	29 of 100 (Routine)
St Lawrence Post Office	Australia	Record daily precipitation	25.9 mm (1.0 in)	28 of 100 (Routine)
Woodstock Post Office	Australia	Record daily precipitation	33.0 mm (1.3 in)	27 of 100 (Routine)
Sangod	India	Record daily precipitation	120.9 mm (4.8 in)	27 of 100 (Routine)
Beberu	India	Record daily precipitation	145.8 mm (5.7 in)	27 of 100 (Routine)
Forse	Sweden	Record daily precipitation	32.2 mm (1.3 in)	27 of 100 (Routine)
Woodhouse	Australia	Record daily precipitation	25.4 mm (1.0 in)	26 of 100 (Routine)
Parry Sound	Canada	Record low maximum temperature	14.4 C (57.9 F)	26 of 100 (Routine)
Magdeburg	Germany	Record low maximum temperature	13.3 C (55.9 F)	26 of 100 (Routine)
Fichtelberg	Germany	Record low maximum temperature	4.5 C (40.1 F)	26 of 100 (Routine)
Bamberg	Germany	Record low maximum temperature	11.2 C (52.2 F)	25 of 100 (Routine)
San Marcos	United States	Record low minimum temperature	15.6 C (60.1 F)	25 of 100 (Routine)
Portage Wwtp	United States	Record low maximum temperature	17.2 C (63.0 F)	25 of 100 (Routine)
Stevens Pt	United States	Record low maximum temperature	17.2 C (63.0 F)	25 of 100 (Routine)
Marble Bar Comparison	Australia	Record low minimum temperature	5.0 C (41.0 F)	24 of 100 (Routine)

Counts by Type and Timescale

535 records

Records set or tied on 23 August 1940 by type: Highest daily maximum 21, Lowest daily maximum 197, Highest daily minimum 27, Lowest daily minimum 133, Heaviest daily rainfall 157.

Records on 23 August 1940 by type
Record type	Records
Highest daily maximum	21
Lowest daily maximum	197
Highest daily minimum	27
Lowest daily minimum	133
Heaviest daily rainfall	157
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 23 August 1940 by timescale: all-time 5, monthly 31, daily 499.

How Much Records Were Beaten By

442 broken records

Margins by which the 442 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 92.7. Ties are not counted.

Top 20 by Significance

23 August 1940

Top 20 records on 23 August 1940 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
23 August 1940	Mungeli, IN	all-time rain	240.3 mm (9.5 in)	91.7 mm (3.6 in)	7 years	66 of 100 (Major)
23 August 1940	Mackay Post Office, AU	daily rain	74.9 mm (2.9 in)	66.8 mm (2.6 in)	45 years	60 of 100 (Major)
23 August 1940	Nebo, AU	daily rain	46.7 mm (1.8 in)	37.6 mm (1.5 in)	46 years	57 of 100 (Notable)
23 August 1940	Oestersund-Froesoen, SE	all-time rain	66.8 mm (2.6 in)	5.3 mm (0.21 in)	74 years	57 of 100 (Notable)
23 August 1940	Mirani Post Office, AU	daily rain	88.4 mm (3.5 in)	65.5 mm (2.6 in)	40 years	56 of 100 (Notable)
23 August 1940	Walkerston, AU	daily rain	66.5 mm (2.6 in)	57.6 mm (2.3 in)	40 years	54 of 100 (Notable)
23 August 1940	Bilaspur, IN	all-time rain	271.8 mm (10.7 in)	56.4 mm (2.2 in)	3 years	49 of 100 (Notable)
23 August 1940	Te Kowai Exp STN, AU	daily rain	62.2 mm (2.4 in)	59.4 mm (2.3 in)	7 years	47 of 100 (Notable)
23 August 1940	Proserpine Post Office, AU	daily rain	53.8 mm (2.1 in)	38.8 mm (1.5 in)	7 years	47 of 100 (Notable)
23 August 1940	Flat Top Island, AU	daily rain	49.3 mm (1.9 in)	25.7 mm (1.0 in)	31 years	47 of 100 (Notable)
23 August 1940	Sarajevo, BA	daily rain	41.5 mm (1.6 in)	23.5 mm (0.9 in)	38 years	46 of 100 (Notable)
23 August 1940	Bowen Post Office, AU	daily rain	76.5 mm (3.0 in)	58.0 mm (2.3 in)	7 years	43 of 100 (Notable)
23 August 1940	Twin Hills Post Office, AU	daily rain	34.0 mm (1.3 in)	27.6 mm (1.1 in)	32 years	43 of 100 (Notable)
23 August 1940	Sunticoppa, IN	daily rain	70.1 mm (2.8 in)	40.9 mm (1.6 in)	34 years	42 of 100 (Notable)
23 August 1940	Roros, NO	all-time rain	57.4 mm (2.3 in)	5.9 mm (0.23 in)	28 years	42 of 100 (Notable)
23 August 1940	Emu Park Hill St, AU	daily rain	34.3 mm (1.4 in)	28.5 mm (1.1 in)	29 years	41 of 100 (Notable)
23 August 1940	Tunhovd, NO	daily rain	28.7 mm (1.1 in)	19.7 mm (0.8 in)	35 years	41 of 100 (Notable)
23 August 1940	Praha-Klementinum, CZ	daily low max	14.0 C (57.2 F)	0.3 C (0.5 F)	100 years	40 of 100 (Notable)
23 August 1940	Leipzig-Holzhausen, DE	monthly low max	12.0 C (53.6 F)	0.5 C (0.9 F)	75 years	40 of 100 (Notable)
23 August 1940	Mohpani, IN	daily rain	170.2 mm (6.7 in)	92.7 mm (3.6 in)	27 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

1802 to 1940

Records set or tied on this calendar date in each year from 1802 to 1940. 1940 had 535 records.

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

Records on 08-23 in each year
Year	Records
1802	1
1805	1
1813	2
1816	2
1817	1
1818	1
1829	1
1839	3
1840	1
1846	1
1847	1
1848	1
1853	2
1857	1
1858	1
1864	1
1867	1
1869	1
1870	1
1871	1
1874	2
1877	2
1881	1
1882	2
1883	1
1884	2
1886	1
1887	2
1890	3
1891	4
1892	4
1893	4
1894	2
1895	3
1896	6
1897	1
1898	8
1899	8
1900	2
1901	10
1902	9
1903	9
1904	6
1905	8
1906	27
1907	15
1908	18
1909	10
1910	15
1911	23
1912	44
1913	9
1914	23
1915	63
1916	23
1917	26
1918	91
1919	24
1920	102
1921	280
1922	58
1923	284
1924	127
1925	182
1926	99
1927	198
1928	196
1929	240
1930	432
1931	412
1932	211
1933	342
1934	308
1935	220
1936	980
1937	522
1938	654
1939	439
1940	535
1941	375
1942	540
1943	505
1944	578
1945	338
1946	416
1947	1,071
1948	594
1949	456
1950	461
1951	347
1952	456
1953	292
1954	438
1955	375
1956	501
1957	645
1958	402
1959	494
1960	806
1961	644
1962	364
1963	380
1964	724
1965	357
1966	802
1967	541
1968	1,384
1969	728
1970	518
1971	610
1972	614
1973	650
1974	612
1975	627
1976	703
1977	557
1978	577
1979	459
1980	552
1981	663
1982	713
1983	1,264
1984	862
1985	1,187
1986	839
1987	1,119
1988	1,604
1989	902
1990	661
1991	697
1992	1,291
1993	796
1994	738
1995	1,212
1996	1,161
1997	1,599
1998	1,138
1999	802
2000	936
2001	834
2002	931
2003	1,103
2004	862
2005	786
2006	728
2007	1,513
2008	966
2009	1,241
2010	1,244
2011	1,412
2012	688
2013	397
2014	960
2015	673
2016	595
2017	543
2018	479
2019	445
2020	1,093
2021	629
2022	781
2023	1,287
2024	1,150
2025	1,295
2026	592

Download the Data

Data for records on 1940-08-23: 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 20	401
20 to 40	25
40 to 60	9
60 to 80	5
80 to 100	2