Weather Records on 8 August 1939

671 weather records were set or tied worldwide on 8 August 1939. Highest significance: Toronto, CA.

Key Facts for 8 August 1939

On 8 August 1939, 671 weather records were set or tied at long-record stations worldwide.
54 were record highs and 336 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 11 monthly and 659 daily.
Toronto set a daily record precipitation of 81.8 mm (3.2 in) on 8 August 1939.
Across 162 earlier years (1793 to 2026) the same calendar date averaged 466 records.

Record Map

671 stations

671 station records on 8 August 1939 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 8 August 1939: highest significance records shown on the map
Station	Country	Type	Value	Significance
Toronto	Canada	Record daily precipitation	81.8 mm (3.2 in)	77 of 100 (Major)
Milwaukee Wb City	United States	Record daily precipitation	61.0 mm (2.4 in)	64 of 100 (Major)
Toronto Agincourt	Canada	Record daily precipitation	64.0 mm (2.5 in)	53 of 100 (Notable)
Morrison	United States	Record daily precipitation	76.5 mm (3.0 in)	52 of 100 (Notable)
Silvan State School	Australia	Record daily precipitation	42.2 mm (1.7 in)	49 of 100 (Notable)
Clinton #1	United States	Record daily precipitation	106.7 mm (4.2 in)	49 of 100 (Notable)
Lawrence	United States	Record daily precipitation	75.2 mm (3.0 in)	47 of 100 (Notable)
Sassafras Post Office	Australia	Record daily precipitation	46.5 mm (1.8 in)	46 of 100 (Notable)
Croydon State School	Australia	Record daily precipitation	27.4 mm (1.1 in)	44 of 100 (Notable)
Colac (Shire Office)	Australia	Record daily precipitation	37.6 mm (1.5 in)	44 of 100 (Notable)
Beatrice	Canada	Record daily precipitation	28.7 mm (1.1 in)	43 of 100 (Notable)
Howe	United States	Record daily precipitation	61.2 mm (2.4 in)	43 of 100 (Notable)
Osage City	United States	Record daily precipitation	85.1 mm (3.4 in)	42 of 100 (Notable)
Winfield 3NE	United States	Record daily precipitation	59.7 mm (2.4 in)	42 of 100 (Notable)
Gellibrand River East (Lovat)	Australia	Record daily precipitation	40.4 mm (1.6 in)	41 of 100 (Notable)
Pembroke Eddy Match	Canada	Record daily precipitation	33.8 mm (1.3 in)	41 of 100 (Notable)
St John's	Canada	Record daily precipitation	56.6 mm (2.2 in)	41 of 100 (Notable)
Chickasha	United States	Record daily precipitation	98.6 mm (3.9 in)	41 of 100 (Notable)
Magdeburg	Germany	Record daily precipitation	52.9 mm (2.1 in)	40 of 100 (Notable)
Walnut	United States	Record daily precipitation	68.1 mm (2.7 in)	40 of 100 (Notable)
Le Claire	United States	Record daily precipitation	67.3 mm (2.6 in)	40 of 100 (Notable)
Mora	United States	Record daily precipitation	48.5 mm (1.9 in)	40 of 100 (Notable)
Columbus Junction	United States	Record daily precipitation	64.8 mm (2.6 in)	39 of 100 (Notable)
Ft Ripley	United States	Record daily precipitation	60.5 mm (2.4 in)	39 of 100 (Notable)
Warroad	United States	Record daily precipitation	35.6 mm (1.4 in)	39 of 100 (Notable)
Colac Botanical Gardens	Australia	Record daily precipitation	32.5 mm (1.3 in)	38 of 100 (Notable)
Emporia 1 S	United States	Record daily precipitation	82.3 mm (3.2 in)	38 of 100 (Notable)
Maroondah Weir (Melbourne Wate	Australia	Record daily precipitation	29.0 mm (1.1 in)	37 of 100 (Notable)
Muscatine 2	United States	Record daily precipitation	54.6 mm (2.1 in)	37 of 100 (Notable)
Stillwater 2 W	United States	Record daily precipitation	59.4 mm (2.3 in)	37 of 100 (Notable)
Childress 3 W	United States	Record daily precipitation	55.9 mm (2.2 in)	37 of 100 (Notable)
Sigourney	United States	Record daily precipitation	57.7 mm (2.3 in)	36 of 100 (Notable)
Leavenworth	United States	Record daily precipitation	69.3 mm (2.7 in)	36 of 100 (Notable)
Ballinger 2 NW	United States	Record low maximum temperature	24.4 C (75.9 F)	36 of 100 (Notable)
Quanah 2 SW	United States	Record daily precipitation	48.8 mm (1.9 in)	36 of 100 (Notable)
Novorossijsk	Russia	Record daily precipitation	35.7 mm (1.4 in)	35 of 100 (Notable)
Larned	United States	Record daily precipitation	57.4 mm (2.3 in)	35 of 100 (Notable)
Guide Rock	United States	Record daily precipitation	52.6 mm (2.1 in)	35 of 100 (Notable)
Weeaproinah	Australia	Record daily precipitation	53.3 mm (2.1 in)	34 of 100 (Routine)
Coldwater	Canada	Record daily precipitation	40.6 mm (1.6 in)	34 of 100 (Routine)
Laurel Hill (Kundiewa)	Australia	Record daily precipitation	50.8 mm (2.0 in)	33 of 100 (Routine)
Collingwood	Canada	Record daily precipitation	40.4 mm (1.6 in)	33 of 100 (Routine)
Mt Pleasant 1 SW	United States	Record daily precipitation	55.4 mm (2.2 in)	33 of 100 (Routine)
Frederick	United States	Record daily precipitation	68.6 mm (2.7 in)	33 of 100 (Routine)
Mount Wallace	Australia	Record daily precipitation	26.9 mm (1.1 in)	32 of 100 (Routine)
Kissimmee	United States	Record low maximum temperature	25.6 C (78.1 F)	32 of 100 (Routine)
McPherson	United States	Record daily precipitation	55.9 mm (2.2 in)	32 of 100 (Routine)
Kiandra Chalet	Australia	Record daily precipitation	38.4 mm (1.5 in)	31 of 100 (Routine)
Lankeys Creek (Woodridge)	Australia	Record daily precipitation	38.6 mm (1.5 in)	31 of 100 (Routine)
Fort St James	Canada	Record high minimum temperature	16.7 C (62.1 F)	31 of 100 (Routine)
Kinglake West (Wallaby Creek)	Australia	Record daily precipitation	29.0 mm (1.1 in)	30 of 100 (Routine)
Lebo	United States	Record daily precipitation	74.2 mm (2.9 in)	30 of 100 (Routine)
Port Washington	United States	Record daily precipitation	43.7 mm (1.7 in)	30 of 100 (Routine)
Two Buttes	United States	Record low minimum temperature	7.8 C (46.0 F)	29 of 100 (Routine)
Taylors Falls 1 NE	United States	Record daily precipitation	34.5 mm (1.4 in)	29 of 100 (Routine)
Fairbury 7S	United States	Record daily precipitation	33.5 mm (1.3 in)	29 of 100 (Routine)
Napoleon	United States	Record daily precipitation	64.8 mm (2.6 in)	29 of 100 (Routine)
Wray	United States	Record low minimum temperature	3.9 C (39.0 F)	28 of 100 (Routine)
Gormanston (Gould Street)	Australia	Record daily precipitation	59.2 mm (2.3 in)	27 of 100 (Routine)
Windsor Kings College	Canada	Record low minimum temperature	6.1 C (43.0 F)	27 of 100 (Routine)

Counts by Type and Timescale

671 records

Records set or tied on 8 August 1939 by type: Highest daily maximum 33, Lowest daily maximum 147, Highest daily minimum 21, Lowest daily minimum 189, Heaviest daily rainfall 281.

Records on 8 August 1939 by type
Record type	Records
Highest daily maximum	33
Lowest daily maximum	147
Highest daily minimum	21
Lowest daily minimum	189
Heaviest daily rainfall	281
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 8 August 1939 by timescale: all-time 1, monthly 11, daily 659.

How Much Records Were Beaten By

555 broken records

Margins by which the 555 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 84.3. Ties are not counted.

Top 20 by Significance

8 August 1939

Top 20 records on 8 August 1939 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
8 August 1939	Toronto, CA	daily rain	81.8 mm (3.2 in)	39.9 mm (1.6 in)	96 years	77 of 100 (Major)
8 August 1939	Milwaukee Wb City, US	daily rain	61.0 mm (2.4 in)	42.2 mm (1.7 in)	67 years	64 of 100 (Major)
8 August 1939	Toronto Agincourt, CA	daily rain	64.0 mm (2.5 in)	44.9 mm (1.8 in)	34 years	53 of 100 (Notable)
8 August 1939	Morrison, US	daily rain	76.5 mm (3.0 in)	63.8 mm (2.5 in)	29 years	52 of 100 (Notable)
8 August 1939	Silvan State School, AU	daily rain	42.2 mm (1.7 in)	24.2 mm (1.0 in)	38 years	49 of 100 (Notable)
8 August 1939	Clinton #1, US	daily rain	106.7 mm (4.2 in)	84.3 mm (3.3 in)	18 years	49 of 100 (Notable)
8 August 1939	Lawrence, US	daily rain	75.2 mm (3.0 in)	30.7 mm (1.2 in)	68 years	47 of 100 (Notable)
8 August 1939	Sassafras Post Office, AU	daily rain	46.5 mm (1.8 in)	37.6 mm (1.5 in)	12 years	46 of 100 (Notable)
8 August 1939	Croydon State School, AU	daily rain	27.4 mm (1.1 in)	22.3 mm (0.9 in)	12 years	44 of 100 (Notable)
8 August 1939	Colac (Shire Office), AU	daily rain	37.6 mm (1.5 in)	19.8 mm (0.8 in)	8 years	44 of 100 (Notable)
8 August 1939	Beatrice, CA	daily rain	28.7 mm (1.1 in)	20.3 mm (0.8 in)	60 years	43 of 100 (Notable)
8 August 1939	Howe, US	daily rain	61.2 mm (2.4 in)	33.3 mm (1.3 in)	25 years	43 of 100 (Notable)
8 August 1939	Osage City, US	daily rain	85.1 mm (3.4 in)	47.0 mm (1.9 in)	30 years	42 of 100 (Notable)
8 August 1939	Winfield 3NE, US	daily rain	59.7 mm (2.4 in)	49.5 mm (1.9 in)	36 years	42 of 100 (Notable)
8 August 1939	Gellibrand River East (Lovat), AU	daily rain	40.4 mm (1.6 in)	17.8 mm (0.7 in)	39 years	41 of 100 (Notable)
8 August 1939	Pembroke Eddy Match, CA	daily rain	33.8 mm (1.3 in)	16.0 mm (0.6 in)	66 years	41 of 100 (Notable)
8 August 1939	St John's, CA	daily rain	56.6 mm (2.2 in)	28.2 mm (1.1 in)	36 years	41 of 100 (Notable)
8 August 1939	Chickasha, US	daily rain	98.6 mm (3.9 in)	64.6 mm (2.5 in)	12 years	41 of 100 (Notable)
8 August 1939	Magdeburg, DE	monthly rain	52.9 mm (2.1 in)	11.0 mm (0.4 in)	14 years	40 of 100 (Notable)
8 August 1939	Walnut, US	daily rain	68.1 mm (2.7 in)	50.3 mm (2.0 in)	12 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

1793 to 1939

Records set or tied on this calendar date in each year from 1793 to 1939. 1939 had 671 records.

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

Records on 08-08 in each year
Year	Records
1793	1
1798	1
1800	1
1808	3
1815	1
1833	1
1843	1
1844	2
1845	1
1854	1
1859	3
1860	1
1861	1
1863	1
1865	1
1868	2
1869	1
1871	1
1873	3
1875	2
1876	2
1877	1
1878	1
1879	2
1880	1
1884	3
1888	3
1890	2
1891	1
1892	2
1893	1
1895	8
1896	2
1897	5
1898	10
1899	8
1900	11
1901	2
1902	2
1903	20
1904	13
1905	7
1906	9
1907	9
1908	13
1909	34
1910	5
1911	38
1912	57
1913	28
1914	7
1915	47
1916	39
1917	35
1918	160
1919	28
1920	138
1921	42
1922	74
1923	70
1924	99
1925	149
1926	190
1927	278
1928	252
1929	166
1930	801
1931	318
1932	234
1933	228
1934	734
1935	508
1936	359
1937	362
1938	855
1939	671
1940	333
1941	324
1942	614
1943	512
1944	352
1945	572
1946	349
1947	442
1948	543
1949	675
1950	516
1951	513
1952	305
1953	393
1954	558
1955	537
1956	273
1957	517
1958	496
1959	470
1960	399
1961	270
1962	567
1963	601
1964	467
1965	520
1966	598
1967	432
1968	868
1969	584
1970	703
1971	646
1972	1,073
1973	446
1974	726
1975	1,041
1976	1,202
1977	607
1978	976
1979	466
1980	919
1981	964
1982	711
1983	1,110
1984	619
1985	726
1986	575
1987	861
1988	733
1989	2,398
1990	1,124
1991	1,230
1992	1,267
1993	654
1994	1,009
1995	1,503
1996	814
1997	1,381
1998	1,304
1999	1,248
2000	961
2001	1,557
2002	1,059
2003	1,432
2004	1,115
2005	882
2006	842
2007	1,660
2008	834
2009	1,112
2010	1,254
2011	1,256
2012	754
2013	841
2014	542
2015	835
2016	560
2017	831
2018	731
2019	722
2020	894
2021	502
2022	711
2023	979
2024	774
2025	752
2026	1,000

Download the Data

Data for records on 1939-08-08: 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).