Weather Records on 21 July 1912

52 weather records were set or tied worldwide on 21 July 1912. Highest significance: Nurnberg, DE.

Key Facts for 21 July 1912

On 21 July 1912, 52 weather records were set or tied at long-record stations worldwide.
3 were record highs and 23 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 1 monthly and 51 daily.
Nurnberg set a daily record precipitation of 41.0 mm (1.6 in) on 21 July 1912.
Across 158 earlier years (1794 to 2025) the same calendar date averaged 467 records.

Record Map

52 stations

52 station records on 21 July 1912 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 July 1912: highest significance records shown on the map
Station	Country	Type	Value	Significance
Nurnberg	Germany	Record daily precipitation	41.0 mm (1.6 in)	48 of 100 (Notable)
Passau-Maierhof	Germany	Record daily precipitation	46.0 mm (1.8 in)	45 of 100 (Notable)
Bairnsdale 1	Australia	Record daily precipitation	38.9 mm (1.5 in)	42 of 100 (Notable)
Lindsay	Canada	Record daily precipitation	31.8 mm (1.3 in)	35 of 100 (Notable)
Lakefield	Canada	Record daily precipitation	28.2 mm (1.1 in)	31 of 100 (Routine)
World Trade Ctr	United States	Record daily precipitation	48.5 mm (1.9 in)	30 of 100 (Routine)
Georgetown	Canada	Record daily precipitation	30.2 mm (1.2 in)	28 of 100 (Routine)
Augsburg (Sankt Stephan)	Germany	Record daily precipitation	54.6 mm (2.1 in)	27 of 100 (Routine)
Peterborough	Canada	Record daily precipitation	26.9 mm (1.1 in)	24 of 100 (Routine)
Portland	United States	Record daily precipitation	36.3 mm (1.4 in)	21 of 100 (Routine)
Toronto	Canada	Record daily precipitation	24.4 mm (1.0 in)	20 of 100 (Routine)
Sale	Australia	Record daily precipitation	17.3 mm (0.7 in)	20 of 100 (Routine)
Rosedale	Australia	Record daily precipitation	15.7 mm (0.6 in)	20 of 100 (Routine)
Metten	Germany	Record daily precipitation	18.7 mm (0.7 in)	19 of 100 (Routine)
Dubuque River	United States	Record low maximum temperature	20.0 C (68.0 F)	19 of 100 (Routine)
Windsor Riverside	Canada	Record low maximum temperature	21.7 C (71.1 F)	17 of 100 (Routine)
Southampton	Canada	Record low maximum temperature	18.3 C (64.9 F)	16 of 100 (Routine)
Karlsruhe	Germany	Record low maximum temperature	15.1 C (59.2 F)	16 of 100 (Routine)
Reading Wb City	United States	Record daily precipitation	31.5 mm (1.2 in)	16 of 100 (Routine)
Vineland	United States	Record daily precipitation	35.3 mm (1.4 in)	15 of 100 (Routine)
Riva	Italy	Record daily precipitation	15.1 mm (0.6 in)	14 of 100 (Routine)
Vanersborg	Sweden	Record high minimum temperature	16.4 C (61.5 F)	14 of 100 (Routine)
La Crosse Wb City	United States	Record low maximum temperature	22.2 C (72.0 F)	14 of 100 (Routine)
Brantford	Canada	Record low maximum temperature	21.7 C (71.1 F)	13 of 100 (Routine)
Hohenpeissenberg	Germany	Record low maximum temperature	8.6 C (47.5 F)	13 of 100 (Routine)
Kingston Queens U	Canada	Record low maximum temperature	17.8 C (64.0 F)	12 of 100 (Routine)
Regensburg	Germany	Record daily precipitation	30.7 mm (1.2 in)	12 of 100 (Routine)
Peterborough	Canada	Record low maximum temperature	18.9 C (66.0 F)	11 of 100 (Routine)
Augsburg (Sankt Stephan)	Germany	Record low maximum temperature	13.8 C (56.8 F)	11 of 100 (Routine)
Robertson	South Africa	Record daily precipitation	3.6 mm (0.14 in)	11 of 100 (Routine)
Ny City Cntrl Park	United States	Record daily precipitation	31.5 mm (1.2 in)	11 of 100 (Routine)
Hamilton	Canada	Record low maximum temperature	18.9 C (66.0 F)	9 of 100 (Routine)
Durham	United Kingdom	Record low maximum temperature	13.0 C (55.4 F)	9 of 100 (Routine)
Trenton 2	United States	Record daily precipitation	31.8 mm (1.3 in)	9 of 100 (Routine)
Woodstock	Canada	Record low maximum temperature	19.4 C (66.9 F)	8 of 100 (Routine)
Karlsruhe	Germany	Record daily precipitation	20.9 mm (0.8 in)	8 of 100 (Routine)
Riva	Italy	Record low minimum temperature	15.3 C (59.5 F)	8 of 100 (Routine)
Sandvig	Denmark	Record high minimum temperature	18.2 C (64.8 F)	7 of 100 (Routine)
Oudtshoorn	South Africa	Record daily precipitation	2.3 mm (0.09 in)	7 of 100 (Routine)
Hohenpeissenberg	Germany	Record low minimum temperature	4.7 C (40.5 F)	6 of 100 (Routine)
Omeo Comparison	Australia	Record daily precipitation	13.2 mm (0.5 in)	5 of 100 (Routine)
Brantford	Canada	Record daily precipitation	16.3 mm (0.6 in)	5 of 100 (Routine)
Tulbagh (Pol)	South Africa	Record daily precipitation	8.1 mm (0.32 in)	5 of 100 (Routine)
Munchen-Nymphenburg	Germany	Record low maximum temperature	15.1 C (59.2 F)	4 of 100 (Routine)
Milwaukee Wb City	United States	Record low maximum temperature	20.6 C (69.1 F)	4 of 100 (Routine)
Chicoutimi	Canada	Record low maximum temperature	18.3 C (64.9 F)	2 of 100 (Routine)
Forbes (Camp Street)	Australia	Record low maximum temperature	7.8 C (46.0 F)	1 of 100 (Routine)
Barrie	Canada	Record low maximum temperature	18.3 C (64.9 F)	1 of 100 (Routine)
Fredericton Unb	Canada	Record low minimum temperature	7.8 C (46.0 F)	1 of 100 (Routine)
Munchen-Nymphenburg	Germany	Record low minimum temperature	9.0 C (48.2 F)	1 of 100 (Routine)
Jonkoping	Sweden	Record high minimum temperature	16.0 C (60.8 F)	1 of 100 (Routine)
Concord	United States	Record low maximum temperature	17.8 C (64.0 F)	1 of 100 (Routine)

Counts by Type and Timescale

52 records

Records set or tied on 21 July 1912 by type: Lowest daily maximum 19, Highest daily minimum 3, Lowest daily minimum 4, Heaviest daily rainfall 26.

Records on 21 July 1912 by type
Record type	Records
Highest daily maximum	0
Lowest daily maximum	19
Highest daily minimum	3
Lowest daily minimum	4
Heaviest daily rainfall	26
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 21 July 1912 by timescale: all-time 0, monthly 1, daily 51.

How Much Records Were Beaten By

44 broken records

Margins by which the 44 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 30.7. Ties are not counted.

Top 20 by Significance

21 July 1912

Top 20 records on 21 July 1912 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 July 1912	Nurnberg, DE	daily rain	41.0 mm (1.6 in)	29.8 mm (1.2 in)	18 years	48 of 100 (Notable)
21 July 1912	Passau-Maierhof, DE	daily rain	46.0 mm (1.8 in)	25.0 mm (1.0 in)	30 years	45 of 100 (Notable)
21 July 1912	Bairnsdale 1, AU	daily rain	38.9 mm (1.5 in)	23.2 mm (0.9 in)	15 years	42 of 100 (Notable)
21 July 1912	Lindsay, CA	daily rain	31.8 mm (1.3 in)	24.7 mm (1.0 in)	26 years	35 of 100 (Notable)
21 July 1912	Lakefield, CA	daily rain	28.2 mm (1.1 in)	20.1 mm (0.8 in)	26 years	31 of 100 (Routine)
21 July 1912	World Trade Ctr, US	daily rain	48.5 mm (1.9 in)	30.7 mm (1.2 in)	4 years	30 of 100 (Routine)
21 July 1912	Georgetown, CA	daily rain	30.2 mm (1.2 in)	22.8 mm (0.9 in)	4 years	28 of 100 (Routine)
21 July 1912	Augsburg (Sankt Stephan), DE	monthly rain	54.6 mm (2.1 in)	6.5 mm (0.26 in)	21 years	27 of 100 (Routine)
21 July 1912	Peterborough, CA	daily rain	26.9 mm (1.1 in)	14.2 mm (0.6 in)	24 years	24 of 100 (Routine)
21 July 1912	Portland, US	daily rain	36.3 mm (1.4 in)	9.6 mm (0.38 in)	26 years	21 of 100 (Routine)
21 July 1912	Toronto, CA	daily rain	24.4 mm (1.0 in)	7.9 mm (0.31 in)	64 years	20 of 100 (Routine)
21 July 1912	Sale, AU	daily rain	17.3 mm (0.7 in)	11.5 mm (0.5 in)	1 year	20 of 100 (Routine)
21 July 1912	Rosedale, AU	daily rain	15.7 mm (0.6 in)	6.0 mm (0.24 in)	19 years	20 of 100 (Routine)
21 July 1912	Metten, DE	daily rain	18.7 mm (0.7 in)	6.1 mm (0.24 in)	29 years	19 of 100 (Routine)
21 July 1912	Dubuque River, US	daily low max	20.0 C (68.0 F)	5.0 C (9.0 F)	12 years	19 of 100 (Routine)
21 July 1912	Windsor Riverside, CA	daily low max	21.7 C (71.1 F)	0.5 C (0.9 F)	42 years	17 of 100 (Routine)
21 July 1912	Southampton, CA	daily low max	18.3 C (64.9 F)	0.6 C (1.1 F)	36 years	16 of 100 (Routine)
21 July 1912	Karlsruhe, DE	daily low max	15.1 C (59.2 F)	2.1 C (3.8 F)	32 years	16 of 100 (Routine)
21 July 1912	Reading Wb City, US	daily rain	31.5 mm (1.2 in)	8.6 mm (0.34 in)	15 years	16 of 100 (Routine)
21 July 1912	Vineland, US	daily rain	35.3 mm (1.4 in)	6.3 mm (0.25 in)	24 years	15 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

1794 to 1912

Records set or tied on this calendar date in each year from 1794 to 1912. 1912 had 52 records.

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

Records on 07-21 in each year
Year	Records
1794	1
1795	1
1796	1
1797	1
1813	2
1832	2
1837	1
1839	1
1843	1
1844	2
1854	1
1859	3
1865	3
1868	3
1872	1
1876	1
1879	2
1880	1
1881	1
1884	1
1885	1
1886	2
1888	2
1889	3
1890	2
1892	3
1893	3
1894	3
1895	1
1896	3
1897	4
1898	7
1899	2
1900	6
1901	13
1902	12
1903	10
1904	8
1905	13
1906	13
1907	12
1908	25
1909	18
1910	12
1911	37
1912	52
1913	41
1914	48
1915	81
1916	72
1917	136
1918	130
1919	51
1920	33
1921	55
1922	48
1923	132
1924	286
1925	202
1926	401
1927	191
1928	205
1929	360
1930	521
1931	549
1932	322
1933	208
1934	965
1935	236
1936	322
1937	253
1938	638
1939	415
1940	318
1941	226
1942	318
1943	253
1944	716
1945	300
1946	398
1947	795
1948	403
1949	603
1950	662
1951	427
1952	657
1953	351
1954	656
1955	582
1956	490
1957	447
1958	531
1959	940
1960	651
1961	388
1962	263
1963	470
1964	457
1965	748
1966	626
1967	313
1968	334
1969	636
1970	1,241
1971	475
1972	1,046
1973	871
1974	536
1975	380
1976	477
1977	708
1978	1,155
1979	964
1980	926
1981	1,352
1982	588
1983	1,234
1984	764
1985	554
1986	791
1987	1,025
1988	1,015
1989	973
1990	914
1991	812
1992	1,562
1993	866
1994	773
1995	1,247
1996	1,141
1997	849
1998	1,674
1999	814
2000	1,230
2001	889
2002	990
2003	1,250
2004	694
2005	1,420
2006	1,479
2007	1,145
2008	989
2009	1,306
2010	1,148
2011	1,414
2012	815
2013	526
2014	762
2015	704
2016	645
2017	433
2018	935
2019	752
2020	361
2021	574
2022	863
2023	812
2024	874
2025	881

Download the Data

Data for records on 1912-07-21: 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 2026-10-14 (14 October 2026). Records are computed by this site and are not official.

Data as of 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Margin	Records
0 to 5	27
5 to 10	8
10 to 15	2
15 to 20	0
20 to 25	4
25 to 30	2
30 to 35	1