Weather Records on 4 August 1912

51 weather records were set or tied worldwide on 4 August 1912. Highest significance: Armagh, GB.

Key Facts for 4 August 1912

On 4 August 1912, 51 weather records were set or tied at long-record stations worldwide.
7 were record highs and 30 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 4 monthly and 47 daily.
Armagh set a daily record precipitation of 41.0 mm (1.6 in) on 4 August 1912.
Across 165 earlier years (1815 to 2026) the same calendar date averaged 444 records.

Record Map

51 stations

51 station records on 4 August 1912 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 4 August 1912: highest significance records shown on the map
Station	Country	Type	Value	Significance
Armagh	United Kingdom	Record daily precipitation	41.0 mm (1.6 in)	58 of 100 (Notable)
Armagh	United Kingdom	Record low maximum temperature	10.6 C (51.1 F)	36 of 100 (Notable)
Freiburg	Germany	Record daily precipitation	35.7 mm (1.4 in)	32 of 100 (Routine)
Gabo Island Lighthouse	Australia	Record daily precipitation	34.3 mm (1.4 in)	23 of 100 (Routine)
Arhangelsk	Russia	Record high minimum temperature	20.4 C (68.7 F)	22 of 100 (Routine)
Welland	Canada	Record low maximum temperature	18.3 C (64.9 F)	19 of 100 (Routine)
Dublin Phoenix Park	Ireland	Record daily precipitation	35.3 mm (1.4 in)	19 of 100 (Routine)
Dublin Phoenix Park	Ireland	Record low maximum temperature	12.2 C (54.0 F)	18 of 100 (Routine)
Marseille Obs. Palais-Lonchamp	France	Record daily precipitation	16.2 mm (0.6 in)	18 of 100 (Routine)
Wilmington Wb City	United States	Record low minimum temperature	16.7 C (62.1 F)	18 of 100 (Routine)
Cleveland 2717 Euclid	United States	Record low maximum temperature	17.8 C (64.0 F)	18 of 100 (Routine)
Washington	United States	Record low minimum temperature	12.2 C (54.0 F)	18 of 100 (Routine)
Urana (Butherwah)	Australia	Record daily precipitation	7.6 mm (0.30 in)	17 of 100 (Routine)
Tranebjerg	Denmark	Record low minimum temperature	8.2 C (46.8 F)	17 of 100 (Routine)
La Crosse Wb City	United States	Record low minimum temperature	7.2 C (45.0 F)	17 of 100 (Routine)
Kyamba	Australia	Record daily precipitation	15.2 mm (0.6 in)	16 of 100 (Routine)
Port Dover	Canada	Record low maximum temperature	18.3 C (64.9 F)	16 of 100 (Routine)
Windsor Riverside	Canada	Record low maximum temperature	18.3 C (64.9 F)	16 of 100 (Routine)
Toledo Blade	United States	Record low maximum temperature	20.6 C (69.1 F)	16 of 100 (Routine)
Philadelphia City	United States	Record low minimum temperature	14.4 C (57.9 F)	16 of 100 (Routine)
Teryawynia	Australia	Record daily precipitation	5.3 mm (0.21 in)	15 of 100 (Routine)
Carcoar	Australia	Record daily precipitation	15.0 mm (0.6 in)	15 of 100 (Routine)
Peddie (Mag)	South Africa	Record daily precipitation	17.8 mm (0.7 in)	15 of 100 (Routine)
Edmonton	Canada	Record high minimum temperature	15.0 C (59.0 F)	14 of 100 (Routine)
Barrie	Canada	Record low maximum temperature	17.2 C (63.0 F)	14 of 100 (Routine)
Southampton	Canada	Record low maximum temperature	17.2 C (63.0 F)	13 of 100 (Routine)
Woodstock	Canada	Record low maximum temperature	18.3 C (64.9 F)	13 of 100 (Routine)
Buffalo	United States	Record low maximum temperature	17.8 C (64.0 F)	13 of 100 (Routine)
Dubuque River	United States	Record low maximum temperature	21.1 C (70.0 F)	13 of 100 (Routine)
Wilcannia (Reid St)	Australia	Record daily precipitation	0.3 mm (0.01 in)	12 of 100 (Routine)
Gravenhurst	Canada	Record low maximum temperature	18.3 C (64.9 F)	12 of 100 (Routine)
Port Dover	Canada	Record low minimum temperature	7.8 C (46.0 F)	12 of 100 (Routine)
Arumpo	Australia	Record daily precipitation	2.5 mm (0.10 in)	11 of 100 (Routine)
Marsden (Merungle)	Australia	Record daily precipitation	3.0 mm (0.12 in)	11 of 100 (Routine)
Brantford	Canada	Record low maximum temperature	20.6 C (69.1 F)	11 of 100 (Routine)
Dubuque River	United States	Record low minimum temperature	8.3 C (46.9 F)	11 of 100 (Routine)
Wilmington Wb City	United States	Record low maximum temperature	23.3 C (73.9 F)	10 of 100 (Routine)
Galway	Ireland	Record low minimum temperature	6.7 C (44.1 F)	9 of 100 (Routine)
Washington	United States	Record low maximum temperature	22.8 C (73.0 F)	9 of 100 (Routine)
St. Petersburg	Russia	Record high minimum temperature	19.1 C (66.4 F)	8 of 100 (Routine)
Condobolin Station	Australia	Record daily precipitation	6.4 mm (0.25 in)	7 of 100 (Routine)
Parnu	Estonia	Record high minimum temperature	18.8 C (65.8 F)	7 of 100 (Routine)
Haparanda	Sweden	Record high minimum temperature	17.0 C (62.6 F)	3 of 100 (Routine)
Port Stanley	Canada	Record low minimum temperature	7.2 C (45.0 F)	2 of 100 (Routine)
Karesuando	Sweden	Record high minimum temperature	11.0 C (51.8 F)	2 of 100 (Routine)
Middletown 4 W	United States	Record low maximum temperature	23.3 C (73.9 F)	2 of 100 (Routine)
Baltimore Customs House	United States	Record low minimum temperature	14.4 C (57.9 F)	2 of 100 (Routine)
Kingston Queens U	Canada	Record low maximum temperature	18.9 C (66.0 F)	1 of 100 (Routine)
Port Stanley	Canada	Record low maximum temperature	20.0 C (68.0 F)	1 of 100 (Routine)
Velikie Luki	Russia	Record high minimum temperature	16.6 C (61.9 F)	1 of 100 (Routine)
Madison Wb City	United States	Record low minimum temperature	10.0 C (50.0 F)	1 of 100 (Routine)

Counts by Type and Timescale

51 records

Records set or tied on 4 August 1912 by type: Lowest daily maximum 19, Highest daily minimum 7, Lowest daily minimum 11, Heaviest daily rainfall 14.

Records on 4 August 1912 by type
Record type	Records
Highest daily maximum	0
Lowest daily maximum	19
Highest daily minimum	7
Lowest daily minimum	11
Heaviest daily rainfall	14
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 4 August 1912 by timescale: all-time 0, monthly 4, daily 47.

How Much Records Were Beaten By

42 broken records

Margins by which the 42 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 26.0. Ties are not counted.

Top 20 by Significance

4 August 1912

Top 20 records on 4 August 1912 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
4 August 1912	Armagh, GB	daily rain	41.0 mm (1.6 in)	26.0 mm (1.0 in)	37 years	58 of 100 (Notable)
4 August 1912	Armagh, GB	monthly low max	10.6 C (51.1 F)	1.5 C (2.7 F)	48 years	36 of 100 (Notable)
4 August 1912	Freiburg, DE	daily rain	35.7 mm (1.4 in)	20.2 mm (0.8 in)	32 years	32 of 100 (Routine)
4 August 1912	Gabo Island Lighthouse, AU	daily rain	34.3 mm (1.4 in)	12.5 mm (0.5 in)	20 years	23 of 100 (Routine)
4 August 1912	Arhangelsk, RU	monthly high min	20.4 C (68.7 F)	0.2 C (0.4 F)	30 years	22 of 100 (Routine)
4 August 1912	Welland, CA	daily low max	18.3 C (64.9 F)	2.8 C (5.0 F)	28 years	19 of 100 (Routine)
4 August 1912	Dublin Phoenix Park, IE	daily rain	35.3 mm (1.4 in)	5.1 mm (0.20 in)	26 years	19 of 100 (Routine)
4 August 1912	Dublin Phoenix Park, IE	monthly low max	12.2 C (54.0 F)	0.5 C (0.9 F)	11 years	18 of 100 (Routine)
4 August 1912	Marseille Obs. Palais-Lonchamp, FR	daily rain	16.2 mm (0.6 in)	15.4 mm (0.6 in)	2 years	18 of 100 (Routine)
4 August 1912	Wilmington Wb City, US	daily low min	16.7 C (62.1 F)	2.7 C (4.9 F)	7 years	18 of 100 (Routine)
4 August 1912	Cleveland 2717 Euclid, US	daily low max	17.8 C (64.0 F)	2.2 C (4.0 F)	28 years	18 of 100 (Routine)
4 August 1912	Washington, US	daily low min	12.2 C (54.0 F)	1.7 C (3.1 F)	25 years	18 of 100 (Routine)
4 August 1912	Urana (Butherwah), AU	daily rain	7.6 mm (0.30 in)	2.0 mm (0.08 in)	39 years	17 of 100 (Routine)
4 August 1912	Tranebjerg, DK	daily low min	8.2 C (46.8 F)	0.8 C (1.4 F)	34 years	17 of 100 (Routine)
4 August 1912	La Crosse Wb City, US	daily low min	7.2 C (45.0 F)	2.8 C (5.0 F)	22 years	17 of 100 (Routine)
4 August 1912	Kyamba, AU	daily rain	15.2 mm (0.6 in)	3.5 mm (0.14 in)	29 years	16 of 100 (Routine)
4 August 1912	Port Dover, CA	daily low max	18.3 C (64.9 F)	1.7 C (3.1 F)	28 years	16 of 100 (Routine)
4 August 1912	Windsor Riverside, CA	daily low max	18.3 C (64.9 F)	1.7 C (3.1 F)	28 years	16 of 100 (Routine)
4 August 1912	Toledo Blade, US	daily low max	20.6 C (69.1 F)	0.5 C (0.9 F)	37 years	16 of 100 (Routine)
4 August 1912	Philadelphia City, US	daily low min	14.4 C (57.9 F)	0.6 C (1.1 F)	37 years	16 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 1912

Records set or tied on this calendar date in each year from 1815 to 1912. 1912 had 51 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 1912-08-04: 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	36
5 to 10	1
10 to 15	2
15 to 20	1
20 to 25	1
25 to 30	1