Weather Records on 20 August 1945

398 weather records were set or tied worldwide on 20 August 1945. Highest significance: Praha-Klementinum, CZ.

Key Facts for 20 August 1945

On 20 August 1945, 398 weather records were set or tied at long-record stations worldwide.
116 were record highs and 153 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 9 monthly and 387 daily.
Praha-Klementinum set a daily record precipitation of 46.1 mm (1.8 in) on 20 August 1945.
Across 163 earlier years (1797 to 2026) the same calendar date averaged 455 records.

Record Map

398 stations

398 station records on 20 August 1945 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 August 1945: highest significance records shown on the map
Station	Country	Type	Value	Significance
Praha-Klementinum	Czech Republic	Record daily precipitation	46.1 mm (1.8 in)	68 of 100 (Major)
Marloo	Australia	Record daily precipitation	34.3 mm (1.4 in)	50 of 100 (Notable)
Stuttgart-Stadt	Germany	Record daily precipitation	34.6 mm (1.4 in)	40 of 100 (Notable)
Bamberg	Germany	Record daily precipitation	30.3 mm (1.2 in)	38 of 100 (Notable)
Long Prairie	United States	Record high minimum temperature	26.7 C (80.1 F)	36 of 100 (Notable)
Yaval	India	Record daily precipitation	83.8 mm (3.3 in)	35 of 100 (Notable)
Biccavole	India	Record daily precipitation	50.8 mm (2.0 in)	33 of 100 (Routine)
Grand Coteau	United States	Record high minimum temperature	26.1 C (79.0 F)	32 of 100 (Routine)
Hay Springs	United States	Record daily precipitation	29.7 mm (1.2 in)	32 of 100 (Routine)
Beaufort	United States	Record daily precipitation	78.7 mm (3.1 in)	31 of 100 (Routine)
Nevertire (Clyde St)	Australia	Record daily precipitation	29.5 mm (1.2 in)	30 of 100 (Routine)
Eustis 2 S	United States	Record daily precipitation	75.4 mm (3.0 in)	30 of 100 (Routine)
Goela	India	Record daily precipitation	91.4 mm (3.6 in)	29 of 100 (Routine)
Santa Fe	United States	Record high maximum temperature	32.2 C (90.0 F)	29 of 100 (Routine)
Southern Pines 2 W	United States	Record daily precipitation	53.3 mm (2.1 in)	29 of 100 (Routine)
Pincher Creek Town	Canada	Record low minimum temperature	-0.6 C (30.9 F)	28 of 100 (Routine)
Sailana	India	Record daily precipitation	224.0 mm (8.8 in)	28 of 100 (Routine)
Mangaldai	India	Record daily precipitation	50.0 mm (2.0 in)	27 of 100 (Routine)
Ft Robinson	United States	Record daily precipitation	27.2 mm (1.1 in)	27 of 100 (Routine)
Bell Ranch	United States	Record high minimum temperature	24.4 C (75.9 F)	27 of 100 (Routine)
Rockingham	United States	Record daily precipitation	92.7 mm (3.6 in)	27 of 100 (Routine)
Coupeville 1 S	United States	Record low minimum temperature	5.0 C (41.0 F)	27 of 100 (Routine)
Kennecott	United States	Record low minimum temperature	-1.1 C (30.0 F)	27 of 100 (Routine)
Sussex	Australia	Record daily precipitation	28.4 mm (1.1 in)	26 of 100 (Routine)
Chenari	India	Record daily precipitation	246.4 mm (9.7 in)	26 of 100 (Routine)
Sapotra	India	Record daily precipitation	108.0 mm (4.3 in)	26 of 100 (Routine)
Spokane Intl AP	United States	Record low minimum temperature	4.4 C (39.9 F)	26 of 100 (Routine)
Gangapur Sahara	India	Record daily precipitation	78.7 mm (3.1 in)	25 of 100 (Routine)
Buzau	Romania	Record high maximum temperature	38.4 C (101.1 F)	25 of 100 (Routine)
Chadron 3SW	United States	Record low maximum temperature	16.7 C (62.1 F)	25 of 100 (Routine)
Cimarron 4 SW	United States	Record daily precipitation	31.8 mm (1.3 in)	25 of 100 (Routine)
Goondiwindi Post Office	Australia	Record high minimum temperature	15.8 C (60.4 F)	24 of 100 (Routine)
Calgary Int'l A	Canada	Record low minimum temperature	1.1 C (34.0 F)	24 of 100 (Routine)
Moscow U of I	United States	Record low minimum temperature	0.0 C (32.0 F)	24 of 100 (Routine)
Two Harbors	United States	Record daily precipitation	30.5 mm (1.2 in)	24 of 100 (Routine)
Billings Wtp	United States	Record low maximum temperature	18.9 C (66.0 F)	24 of 100 (Routine)
Chopda	India	Record daily precipitation	42.2 mm (1.7 in)	23 of 100 (Routine)
Uman	Ukraine	Record high minimum temperature	18.9 C (66.0 F)	23 of 100 (Routine)
Oakland	United States	Record high maximum temperature	32.2 C (90.0 F)	23 of 100 (Routine)
Huntley Exp STN	United States	Record low maximum temperature	11.1 C (52.0 F)	23 of 100 (Routine)
Inverell Comparison	Australia	Record high minimum temperature	10.0 C (50.0 F)	22 of 100 (Routine)
Deniliquin (Wilkinson St)	Australia	Record high minimum temperature	12.8 C (55.0 F)	22 of 100 (Routine)
Bhusaval Sr	India	Record daily precipitation	66.0 mm (2.6 in)	22 of 100 (Routine)
Brockton	United States	Record low minimum temperature	8.3 C (46.9 F)	22 of 100 (Routine)
Chinook	United States	Record low minimum temperature	1.1 C (34.0 F)	22 of 100 (Routine)
Glendive	United States	Record low maximum temperature	20.6 C (69.1 F)	22 of 100 (Routine)
Livingston	United States	Record low maximum temperature	16.1 C (61.0 F)	22 of 100 (Routine)
Aspen Grove Rch 1 W	United States	Record daily precipitation	26.7 mm (1.1 in)	22 of 100 (Routine)
Corona	United States	Record low minimum temperature	7.2 C (45.0 F)	22 of 100 (Routine)
Caroleen	United States	Record low maximum temperature	23.3 C (73.9 F)	22 of 100 (Routine)
Spearfish	United States	Record low maximum temperature	15.6 C (60.1 F)	22 of 100 (Routine)
Dongargarh	India	Record daily precipitation	88.9 mm (3.5 in)	21 of 100 (Routine)
Napa State Hospital	United States	Record high maximum temperature	35.6 C (96.1 F)	21 of 100 (Routine)
Howard	United States	Record low maximum temperature	21.1 C (70.0 F)	21 of 100 (Routine)
Paragonah	United States	Record high minimum temperature	21.1 C (70.0 F)	21 of 100 (Routine)
Cavan	Australia	Record daily precipitation	21.6 mm (0.9 in)	20 of 100 (Routine)
Blackfoot Fire Dept	United States	Record daily precipitation	13.7 mm (0.5 in)	20 of 100 (Routine)
Bridger 2 N	United States	Record daily precipitation	19.1 mm (0.8 in)	20 of 100 (Routine)
Richmond	United States	Record daily precipitation	10.9 mm (0.4 in)	20 of 100 (Routine)
Bukalong Station	Australia	Record daily precipitation	11.9 mm (0.5 in)	20 of 100 (Routine)

Counts by Type and Timescale

398 records

Records set or tied on 20 August 1945 by type: Highest daily maximum 36, Lowest daily maximum 62, Highest daily minimum 80, Lowest daily minimum 91, Heaviest daily rainfall 129.

Records on 20 August 1945 by type
Record type	Records
Highest daily maximum	36
Lowest daily maximum	62
Highest daily minimum	80
Lowest daily minimum	91
Heaviest daily rainfall	129
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 20 August 1945 by timescale: all-time 2, monthly 9, daily 387.

How Much Records Were Beaten By

314 broken records

Margins by which the 314 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 70.6. Ties are not counted.

Top 20 by Significance

20 August 1945

Top 20 records on 20 August 1945 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 August 1945	Praha-Klementinum, CZ	daily rain	46.1 mm (1.8 in)	20.9 mm (0.8 in)	86 years	68 of 100 (Major)
20 August 1945	Marloo, AU	daily rain	34.3 mm (1.4 in)	28.7 mm (1.1 in)	36 years	50 of 100 (Notable)
20 August 1945	Stuttgart-Stadt, DE	daily rain	34.6 mm (1.4 in)	14.7 mm (0.6 in)	42 years	40 of 100 (Notable)
20 August 1945	Bamberg, DE	daily rain	30.3 mm (1.2 in)	9.4 mm (0.37 in)	54 years	38 of 100 (Notable)
20 August 1945	Long Prairie, US	all-time high min	26.7 C (80.1 F)	1.1 C (2.0 F)	33 years	36 of 100 (Notable)
20 August 1945	Yaval, IN	daily rain	83.8 mm (3.3 in)	48.5 mm (1.9 in)	6 years	35 of 100 (Notable)
20 August 1945	Biccavole, IN	daily rain	50.8 mm (2.0 in)	43.2 mm (1.7 in)	7 years	33 of 100 (Routine)
20 August 1945	Grand Coteau, US	daily high min	26.1 C (79.0 F)	2.2 C (4.0 F)	45 years	32 of 100 (Routine)
20 August 1945	Hay Springs, US	daily rain	29.7 mm (1.2 in)	18.8 mm (0.7 in)	27 years	32 of 100 (Routine)
20 August 1945	Beaufort, US	daily rain	78.7 mm (3.1 in)	33.0 mm (1.3 in)	16 years	31 of 100 (Routine)
20 August 1945	Nevertire (Clyde St), AU	daily rain	29.5 mm (1.2 in)	12.2 mm (0.5 in)	39 years	30 of 100 (Routine)
20 August 1945	Eustis 2 S, US	daily rain	75.4 mm (3.0 in)	28.2 mm (1.1 in)	12 years	30 of 100 (Routine)
20 August 1945	Goela, IN	daily rain	91.4 mm (3.6 in)	40.6 mm (1.6 in)	16 years	29 of 100 (Routine)
20 August 1945	Santa Fe, US	daily high max	32.2 C (90.0 F)	1.1 C (2.0 F)	65 years	29 of 100 (Routine)
20 August 1945	Southern Pines 2 W, US	daily rain	53.3 mm (2.1 in)	20.3 mm (0.8 in)	46 years	29 of 100 (Routine)
20 August 1945	Pincher Creek Town, CA	daily low min	-0.6 C (30.9 F)	3.4 C (6.1 F)	40 years	28 of 100 (Routine)
20 August 1945	Sailana, IN	daily rain	224.0 mm (8.8 in)	50.0 mm (2.0 in)	28 years	28 of 100 (Routine)
20 August 1945	Mangaldai, IN	daily rain	50.0 mm (2.0 in)	28.9 mm (1.1 in)	39 years	27 of 100 (Routine)
20 August 1945	Ft Robinson, US	daily rain	27.2 mm (1.1 in)	17.5 mm (0.7 in)	12 years	27 of 100 (Routine)
20 August 1945	Bell Ranch, US	daily high min	24.4 C (75.9 F)	4.4 C (7.9 F)	14 years	27 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 1945

Records set or tied on this calendar date in each year from 1797 to 1945. 1945 had 398 records.

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

Records on 08-20 in each year
Year	Records
1797	1
1807	1
1809	2
1816	1
1830	1
1832	1
1838	1
1840	1
1842	1
1846	1
1849	1
1850	1
1852	1
1858	3
1863	5
1867	4
1870	3
1871	1
1873	1
1875	2
1877	1
1883	2
1884	2
1885	6
1886	1
1888	1
1889	2
1890	2
1891	2
1892	6
1893	1
1894	1
1895	1
1896	5
1897	6
1898	1
1899	5
1900	7
1901	12
1902	3
1903	7
1904	30
1905	7
1906	26
1907	15
1908	21
1909	69
1910	7
1911	18
1912	25
1913	23
1914	15
1915	14
1916	74
1917	51
1918	69
1919	25
1920	47
1921	23
1922	52
1923	83
1924	132
1925	193
1926	187
1927	338
1928	101
1929	213
1930	318
1931	214
1932	299
1933	324
1934	376
1935	339
1936	543
1937	537
1938	250
1939	448
1940	695
1941	230
1942	429
1943	436
1944	355
1945	398
1946	349
1947	988
1948	403
1949	431
1950	1,341
1951	824
1952	425
1953	441
1954	476
1955	848
1956	678
1957	342
1958	281
1959	764
1960	465
1961	520
1962	684
1963	577
1964	629
1965	470
1966	1,094
1967	657
1968	862
1969	608
1970	414
1971	585
1972	522
1973	490
1974	565
1975	411
1976	894
1977	860
1978	563
1979	1,009
1980	991
1981	856
1982	620
1983	1,465
1984	696
1985	666
1986	819
1987	564
1988	991
1989	603
1990	1,262
1991	804
1992	1,168
1993	759
1994	719
1995	1,113
1996	900
1997	1,214
1998	802
1999	810
2000	989
2001	909
2002	1,208
2003	1,031
2004	1,333
2005	1,112
2006	851
2007	1,955
2008	1,170
2009	1,414
2010	1,028
2011	987
2012	1,086
2013	545
2014	582
2015	1,075
2016	872
2017	324
2018	657
2019	698
2020	1,051
2021	1,028
2022	1,038
2023	1,479
2024	589
2025	1,134
2026	985

Download the Data

Data for records on 1945-08-20: 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	281
10 to 20	16
20 to 30	8
30 to 40	3
40 to 50	3
50 to 60	2
60 to 70	0
70 to 80	1