Weather Records on 4 August 1919

34 weather records were set or tied worldwide on 4 August 1919. Highest significance: Calgary Int'l A, CA.

Key Facts for 4 August 1919

On 4 August 1919, 34 weather records were set or tied at long-record stations worldwide.
6 were record highs and 13 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 2 monthly and 32 daily.
Calgary Int'l A set a daily record precipitation of 59.2 mm (2.3 in) on 4 August 1919.
Across 165 earlier years (1815 to 2026) the same calendar date averaged 444 records.

Record Map

34 stations

34 station records on 4 August 1919 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 4 August 1919: highest significance records shown on the map
Station	Country	Type	Value	Significance
Calgary Int'l A	Canada	Record daily precipitation	59.2 mm (2.3 in)	41 of 100 (Notable)
Allegan 1	United States	Record daily precipitation	50.8 mm (2.0 in)	28 of 100 (Routine)
Cleveland 2717 Euclid	United States	Record daily precipitation	35.3 mm (1.4 in)	23 of 100 (Routine)
Perth Regional Office	Australia	Record daily precipitation	28.4 mm (1.1 in)	20 of 100 (Routine)
Walgett Council Depot	Australia	Record low minimum temperature	-2.9 C (26.8 F)	18 of 100 (Routine)
Kunzelsau	Germany	Record daily precipitation	22.0 mm (0.9 in)	18 of 100 (Routine)
Nurnberg	Germany	Record low maximum temperature	15.3 C (59.5 F)	15 of 100 (Routine)
Plauen	Germany	Record low maximum temperature	14.9 C (58.8 F)	15 of 100 (Routine)
Weissenburg	Germany	Record low maximum temperature	17.1 C (62.8 F)	15 of 100 (Routine)
Cherdyn'	Russia	Record daily precipitation	14.5 mm (0.6 in)	15 of 100 (Routine)
Goudveld (Bos)	South Africa	Record daily precipitation	19.1 mm (0.8 in)	14 of 100 (Routine)
Bjuraker	Sweden	Record low maximum temperature	15.0 C (59.0 F)	14 of 100 (Routine)
Sevastopol',Mgs	Ukraine	Record daily precipitation	0.7 mm (0.03 in)	14 of 100 (Routine)
Burra (Poonunda)	Australia	Record daily precipitation	6.1 mm (0.24 in)	13 of 100 (Routine)
Port Alfred	South Africa	Record daily precipitation	17.0 mm (0.7 in)	13 of 100 (Routine)
Fir Glen	South Africa	Record daily precipitation	13.7 mm (0.5 in)	13 of 100 (Routine)
Houston Wb City	United States	Record high minimum temperature	25.0 C (77.0 F)	13 of 100 (Routine)
Milwaukee Wb City	United States	Record daily precipitation	32.8 mm (1.3 in)	12 of 100 (Routine)
Adelaide West Terrace	Australia	Record high minimum temperature	11.2 C (52.2 F)	11 of 100 (Routine)
Cottam	Canada	Record daily precipitation	40.4 mm (1.6 in)	11 of 100 (Routine)
Minnedosa	Canada	Record high minimum temperature	18.3 C (64.9 F)	10 of 100 (Routine)
Moose Factory	Canada	Record low maximum temperature	10.0 C (50.0 F)	9 of 100 (Routine)
Ulan-Ude	Russia	Record daily precipitation	46.0 mm (1.8 in)	9 of 100 (Routine)
Alice Springs Post Office	Australia	Record high minimum temperature	12.8 C (55.0 F)	8 of 100 (Routine)
St Albans	Canada	Record high minimum temperature	17.8 C (64.0 F)	7 of 100 (Routine)
Henichesk	Ukraine	Record daily precipitation	8.4 mm (0.33 in)	6 of 100 (Routine)
Melbourne Regional Office	Australia	Record low minimum temperature	-1.1 C (30.0 F)	4 of 100 (Routine)
Prince Albert	Canada	Record high minimum temperature	17.8 C (64.0 F)	3 of 100 (Routine)
Vestervig	Denmark	Record low maximum temperature	15.1 C (59.2 F)	3 of 100 (Routine)
Sandvig	Denmark	Record low maximum temperature	14.0 C (57.2 F)	3 of 100 (Routine)
Skara 1	Sweden	Record low maximum temperature	14.5 C (58.1 F)	3 of 100 (Routine)
Vasteras-Hasslo	Sweden	Record low maximum temperature	15.7 C (60.3 F)	3 of 100 (Routine)
Forbes (Camp Street)	Australia	Record low minimum temperature	-3.3 C (26.1 F)	2 of 100 (Routine)
Boras	Sweden	Record low maximum temperature	15.0 C (59.0 F)	0 of 100 (Routine)

Counts by Type and Timescale

34 records

Records set or tied on 4 August 1919 by type: Lowest daily maximum 10, Highest daily minimum 6, Lowest daily minimum 3, Heaviest daily rainfall 15.

Records on 4 August 1919 by type
Record type	Records
Highest daily maximum	0
Lowest daily maximum	10
Highest daily minimum	6
Lowest daily minimum	3
Heaviest daily rainfall	15
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 4 August 1919 by timescale: all-time 0, monthly 2, daily 32.

How Much Records Were Beaten By

27 broken records

Margins by which the 27 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 37.4. Ties are not counted.

Top 20 by Significance

4 August 1919

Top 20 records on 4 August 1919 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
4 August 1919	Calgary Int'l A, CA	daily rain	59.2 mm (2.3 in)	37.4 mm (1.5 in)	5 years	41 of 100 (Notable)
4 August 1919	Allegan 1, US	daily rain	50.8 mm (2.0 in)	26.7 mm (1.1 in)	13 years	28 of 100 (Routine)
4 August 1919	Cleveland 2717 Euclid, US	daily rain	35.3 mm (1.4 in)	12.4 mm (0.5 in)	28 years	23 of 100 (Routine)
4 August 1919	Perth Regional Office, AU	daily rain	28.4 mm (1.1 in)	11.6 mm (0.5 in)	13 years	20 of 100 (Routine)
4 August 1919	Walgett Council Depot, AU	monthly low min	-2.9 C (26.8 F)	0.1 C (0.2 F)	13 years	18 of 100 (Routine)
4 August 1919	Kunzelsau, DE	daily rain	22.0 mm (0.9 in)	4.4 mm (0.17 in)	28 years	18 of 100 (Routine)
4 August 1919	Nurnberg, DE	daily low max	15.3 C (59.5 F)	0.4 C (0.7 F)	36 years	15 of 100 (Routine)
4 August 1919	Plauen, DE	daily low max	14.9 C (58.8 F)	0.6 C (1.1 F)	36 years	15 of 100 (Routine)
4 August 1919	Weissenburg, DE	daily low max	17.1 C (62.8 F)	0.2 C (0.4 F)	36 years	15 of 100 (Routine)
4 August 1919	Cherdyn', RU	daily rain	14.5 mm (0.6 in)	4.4 mm (0.17 in)	14 years	15 of 100 (Routine)
4 August 1919	Goudveld (Bos), ZA	daily rain	19.1 mm (0.8 in)	5.9 mm (0.23 in)	20 years	14 of 100 (Routine)
4 August 1919	Bjuraker, SE	daily low max	15.0 C (59.0 F)	0.5 C (0.9 F)	33 years	14 of 100 (Routine)
4 August 1919	Sevastopol',Mgs, UA	daily rain	0.7 mm (0.03 in)	0.7 mm (0.03 in)	37 years	14 of 100 (Routine)
4 August 1919	Burra (Poonunda), AU	daily rain	6.1 mm (0.24 in)	1.0 mm (0.04 in)	32 years	13 of 100 (Routine)
4 August 1919	Port Alfred, ZA	daily rain	17.0 mm (0.7 in)	4.3 mm (0.17 in)	20 years	13 of 100 (Routine)
4 August 1919	Fir Glen, ZA	daily rain	13.7 mm (0.5 in)	3.5 mm (0.14 in)	18 years	13 of 100 (Routine)
4 August 1919	Houston Wb City, US	daily high min	25.0 C (77.0 F)	0.6 C (1.1 F)	23 years	13 of 100 (Routine)
4 August 1919	Milwaukee Wb City, US	daily rain	32.8 mm (1.3 in)	9.4 mm (0.37 in)	2 years	12 of 100 (Routine)
4 August 1919	Adelaide West Terrace, AU	daily high min	11.2 C (52.2 F)	0.5 C (0.9 F)	24 years	11 of 100 (Routine)
4 August 1919	Cottam, CA	daily rain	40.4 mm (1.6 in)	4.8 mm (0.19 in)	10 years	11 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

1815 to 1919

Records set or tied on this calendar date in each year from 1815 to 1919. 1919 had 34 records.

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

Records on 08-04 in each year
Year	Records
1815	1
1827	1
1830	2
1833	1
1835	1
1843	1
1846	1
1847	1
1848	1
1857	1
1859	2
1860	2
1863	1
1865	3
1867	1
1868	1
1870	1
1871	1
1872	2
1874	3
1875	1
1878	3
1879	1
1881	2
1882	1
1883	1
1885	3
1886	1
1887	3
1888	4
1889	2
1890	1
1891	2
1893	2
1894	1
1895	3
1896	4
1897	3
1898	1
1899	7
1900	6
1902	4
1903	18
1904	11
1905	19
1906	14
1907	20
1908	31
1909	27
1910	17
1911	23
1912	51
1913	15
1914	33
1915	85
1916	97
1917	29
1918	95
1919	34
1920	79
1921	67
1922	68
1923	146
1924	132
1925	77
1926	334
1927	136
1928	352
1929	224
1930	698
1931	371
1932	258
1933	347
1934	521
1935	367
1936	719
1937	258
1938	489
1939	433
1940	236
1941	383
1942	303
1943	468
1944	662
1945	355
1946	265
1947	845
1948	558
1949	421
1950	666
1951	680
1952	465
1953	1,017
1954	426
1955	624
1956	437
1957	343
1958	533
1959	303
1960	331
1961	745
1962	470
1963	438
1964	885
1965	409
1966	552
1967	428
1968	280
1969	638
1970	415
1971	813
1972	773
1973	748
1974	1,040
1975	772
1976	801
1977	599
1978	1,051
1979	510
1980	998
1981	636
1982	703
1983	920
1984	722
1985	634
1986	905
1987	892
1988	1,204
1989	738
1990	1,013
1991	769
1992	754
1993	1,046
1994	1,265
1995	1,117
1996	1,143
1997	891
1998	1,423
1999	762
2000	840
2001	1,087
2002	928
2003	1,309
2004	968
2005	1,246
2006	1,131
2007	685
2008	883
2009	681
2010	1,665
2011	1,536
2012	738
2013	452
2014	980
2015	505
2016	732
2017	1,134
2018	760
2019	499
2020	778
2021	691
2022	1,185
2023	1,150
2024	809
2025	840
2026	1,044

Download the Data

Data for records on 1919-08-04: 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	21
5 to 10	2
10 to 15	2
15 to 20	0
20 to 25	0
25 to 30	1
30 to 35	0
35 to 40	1