Weather Records on 21 July 1923

132 weather records were set or tied worldwide on 21 July 1923. Highest significance: Kokstad, ZA.

Key Facts for 21 July 1923

On 21 July 1923, 132 weather records were set or tied at long-record stations worldwide.
83 were record highs and 31 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 3 monthly and 127 daily.
Kokstad set an all-time record daily precipitation of 105.4 mm (4.1 in) on 21 July 1923.
Across 159 earlier years (1794 to 2026) the same calendar date averaged 469 records.

Record Map

132 stations

132 station records on 21 July 1923 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 July 1923: highest significance records shown on the map
Station	Country	Type	Value	Significance
Kokstad	South Africa	Record daily precipitation	105.4 mm (4.1 in)	71 of 100 (Major)
Umzimkulu (Tnk)	South Africa	Record daily precipitation	53.3 mm (2.1 in)	56 of 100 (Notable)
Tbilisi	Georgia	Record daily precipitation	44.0 mm (1.7 in)	54 of 100 (Notable)
Mnt Fletcher (Tnk)	South Africa	Record daily precipitation	51.8 mm (2.0 in)	51 of 100 (Notable)
Miles City	United States	Record daily precipitation	25.7 mm (1.0 in)	32 of 100 (Routine)
Sloan 3 S	United States	Record high maximum temperature	40.0 C (104.0 F)	32 of 100 (Routine)
Atlantic City Marina	United States	Record high maximum temperature	36.7 C (98.1 F)	31 of 100 (Routine)
Portland	United States	Record high minimum temperature	21.7 C (71.1 F)	30 of 100 (Routine)
Swift Current	Canada	Record daily precipitation	59.2 mm (2.3 in)	28 of 100 (Routine)
Battleford	Canada	Record high minimum temperature	16.7 C (62.1 F)	21 of 100 (Routine)
Pointe Riche	Canada	Record daily precipitation	25.4 mm (1.0 in)	21 of 100 (Routine)
Elliotdale (Tnk)	South Africa	Record daily precipitation	15.2 mm (0.6 in)	20 of 100 (Routine)
Engcobo (Tnk)	South Africa	Record daily precipitation	8.9 mm (0.35 in)	20 of 100 (Routine)
Haparanda	Sweden	Record daily precipitation	18.1 mm (0.7 in)	20 of 100 (Routine)
Durban-Botanical Gardens	South Africa	Record daily precipitation	11.2 mm (0.4 in)	20 of 100 (Routine)
Gallivare_A	Sweden	Record daily precipitation	23.7 mm (0.9 in)	20 of 100 (Routine)
Moorestown 4 E	United States	Record high maximum temperature	37.8 C (100.0 F)	20 of 100 (Routine)
New Braunfels	United States	Record low maximum temperature	26.7 C (80.1 F)	20 of 100 (Routine)
Hambantota	Sri Lanka	Record low maximum temperature	26.6 C (79.9 F)	19 of 100 (Routine)
Willowvale (Tnk)	South Africa	Record daily precipitation	8.9 mm (0.35 in)	19 of 100 (Routine)
Philadelphia City	United States	Record high maximum temperature	37.2 C (99.0 F)	19 of 100 (Routine)
Lafayette Rgnl AP	United States	Record low minimum temperature	18.3 C (64.9 F)	19 of 100 (Routine)
Irkutsk	Russia	Record high minimum temperature	17.4 C (63.3 F)	18 of 100 (Routine)
Port Lincoln	Australia	Record high maximum temperature	20.6 C (69.1 F)	17 of 100 (Routine)
Toronto	Canada	Record high minimum temperature	22.2 C (72.0 F)	17 of 100 (Routine)
Greensboro	United States	Record low maximum temperature	24.4 C (75.9 F)	17 of 100 (Routine)
New Smyrna Beach	United States	Record daily precipitation	48.5 mm (1.9 in)	17 of 100 (Routine)
Eastport	United States	Record high minimum temperature	14.4 C (57.9 F)	17 of 100 (Routine)
Darlington	United States	Record high maximum temperature	37.8 C (100.0 F)	17 of 100 (Routine)
Louisville	United States	Record low minimum temperature	15.6 C (60.1 F)	17 of 100 (Routine)
Setauket Strong	United States	Record high maximum temperature	34.4 C (93.9 F)	17 of 100 (Routine)
Lakefield	Canada	Record low minimum temperature	7.8 C (46.0 F)	16 of 100 (Routine)
Brooksville Chin Hill	United States	Record low minimum temperature	18.9 C (66.0 F)	16 of 100 (Routine)
Plain Dealing	United States	Record low minimum temperature	16.1 C (61.0 F)	16 of 100 (Routine)
Easton	United States	Record high maximum temperature	35.6 C (96.1 F)	16 of 100 (Routine)
Bourke Post Office	Australia	Record high minimum temperature	10.0 C (50.0 F)	15 of 100 (Routine)
Brantford	Canada	Record high minimum temperature	21.1 C (70.0 F)	15 of 100 (Routine)
Vineland	United States	Record high maximum temperature	38.3 C (100.9 F)	15 of 100 (Routine)
Wagga Wagga (Kooringal)	Australia	Record low maximum temperature	8.9 C (48.0 F)	14 of 100 (Routine)
Halifax	Canada	Record high maximum temperature	30.0 C (86.0 F)	14 of 100 (Routine)
Butterworth (Tnk)	South Africa	Record daily precipitation	2.3 mm (0.09 in)	14 of 100 (Routine)
Rome	United States	Record low minimum temperature	15.6 C (60.1 F)	14 of 100 (Routine)
Blue Hill Coop	United States	Record high minimum temperature	21.7 C (71.1 F)	14 of 100 (Routine)
Lowell	United States	Record high maximum temperature	34.4 C (93.9 F)	14 of 100 (Routine)
Grand Meadow	United States	Record high minimum temperature	21.1 C (70.0 F)	14 of 100 (Routine)
Ft Bidwell	United States	Record high maximum temperature	38.9 C (102.0 F)	13 of 100 (Routine)
Dahlonega 4WSW	United States	Record low minimum temperature	15.6 C (60.1 F)	13 of 100 (Routine)
Lake Cochituate	United States	Record high maximum temperature	36.7 C (98.1 F)	13 of 100 (Routine)
Somerville 4 NW	United States	Record high maximum temperature	36.1 C (97.0 F)	13 of 100 (Routine)
College STN 6 SW	United States	Record low minimum temperature	18.3 C (64.9 F)	13 of 100 (Routine)
Norwalk	United States	Record high maximum temperature	37.2 C (99.0 F)	12 of 100 (Routine)
Melville	United States	Record low minimum temperature	18.3 C (64.9 F)	12 of 100 (Routine)
Framingham	United States	Record high minimum temperature	21.1 C (70.0 F)	12 of 100 (Routine)
Hillsboro	United States	Record high minimum temperature	19.4 C (66.9 F)	12 of 100 (Routine)
Martinsburg E W Virginia Rgnl	United States	Record high maximum temperature	37.2 C (99.0 F)	12 of 100 (Routine)
Scottsbluff W B Heilig Fld AP	United States	Record high minimum temperature	18.9 C (66.0 F)	12 of 100 (Routine)
Adairsville	United States	Record low minimum temperature	14.4 C (57.9 F)	11 of 100 (Routine)
Farmington 3NW	United States	Record high maximum temperature	35.6 C (96.1 F)	11 of 100 (Routine)
Sloan 3 S	United States	Record high minimum temperature	23.9 C (75.0 F)	11 of 100 (Routine)
Boston City WSO	United States	Record high maximum temperature	33.3 C (91.9 F)	11 of 100 (Routine)

Counts by Type and Timescale

132 records

Records set or tied on 21 July 1923 by type: Highest daily maximum 46, Lowest daily maximum 7, Highest daily minimum 37, Lowest daily minimum 24, Heaviest daily rainfall 18.

Records on 21 July 1923 by type
Record type	Records
Highest daily maximum	46
Lowest daily maximum	7
Highest daily minimum	37
Lowest daily minimum	24
Heaviest daily rainfall	18
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 21 July 1923 by timescale: all-time 2, monthly 3, daily 127.

How Much Records Were Beaten By

82 broken records

Margins by which the 82 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 51.8. Ties are not counted.

Top 20 by Significance

21 July 1923

Top 20 records on 21 July 1923 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 July 1923	Kokstad, ZA	all-time rain	105.4 mm (4.1 in)	28.2 mm (1.1 in)	26 years	71 of 100 (Major)
21 July 1923	Umzimkulu (Tnk), ZA	monthly rain	53.3 mm (2.1 in)	28.2 mm (1.1 in)	10 years	56 of 100 (Notable)
21 July 1923	Tbilisi, GE	daily rain	44.0 mm (1.7 in)	39.3 mm (1.5 in)	33 years	54 of 100 (Notable)
21 July 1923	Mnt Fletcher (Tnk), ZA	daily rain	51.8 mm (2.0 in)	51.8 mm (2.0 in)	29 years	51 of 100 (Notable)
21 July 1923	Miles City, US	daily rain	25.7 mm (1.0 in)	17.3 mm (0.7 in)	13 years	32 of 100 (Routine)
21 July 1923	Sloan 3 S, US	all-time high max	40.0 C (104.0 F)	1.1 C (2.0 F)	22 years	32 of 100 (Routine)
21 July 1923	Atlantic City Marina, US	daily high max	36.7 C (98.1 F)	4.5 C (8.1 F)	41 years	31 of 100 (Routine)
21 July 1923	Portland, US	daily high min	21.7 C (71.1 F)	2.8 C (5.0 F)	46 years	30 of 100 (Routine)
21 July 1923	Swift Current, CA	daily rain	59.2 mm (2.3 in)	16.0 mm (0.6 in)	25 years	28 of 100 (Routine)
21 July 1923	Battleford, CA	daily high min	16.7 C (62.1 F)	1.7 C (3.1 F)	42 years	21 of 100 (Routine)
21 July 1923	Pointe Riche, CA	daily rain	25.4 mm (1.0 in)	12.7 mm (0.5 in)	18 years	21 of 100 (Routine)
21 July 1923	Elliotdale (Tnk), ZA	daily rain	15.2 mm (0.6 in)	15.2 mm (0.6 in)	30 years	20 of 100 (Routine)
21 July 1923	Engcobo (Tnk), ZA	daily rain	8.9 mm (0.35 in)	8.9 mm (0.35 in)	31 years	20 of 100 (Routine)
21 July 1923	Haparanda, SE	daily rain	18.1 mm (0.7 in)	4.6 mm (0.18 in)	28 years	20 of 100 (Routine)
21 July 1923	Durban-Botanical Gardens, ZA	daily rain	11.2 mm (0.4 in)	9.9 mm (0.39 in)	24 years	20 of 100 (Routine)
21 July 1923	Gallivare_A, SE	daily rain	23.7 mm (0.9 in)	5.5 mm (0.22 in)	30 years	20 of 100 (Routine)
21 July 1923	Moorestown 4 E, US	daily high max	37.8 C (100.0 F)	3.4 C (6.1 F)	28 years	20 of 100 (Routine)
21 July 1923	New Braunfels, US	daily low max	26.7 C (80.1 F)	3.3 C (5.9 F)	6 years	20 of 100 (Routine)
21 July 1923	Hambantota, LK	daily low max	26.6 C (79.9 F)	0.6 C (1.1 F)	41 years	19 of 100 (Routine)
21 July 1923	Willowvale (Tnk), ZA	daily rain	8.9 mm (0.35 in)	8.9 mm (0.35 in)	32 years	19 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 1923

Records set or tied on this calendar date in each year from 1794 to 1923. 1923 had 132 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	942
2019	755
2020	363
2021	574
2022	866
2023	816
2024	873
2025	881
2026	874

Download the Data

Data for records on 1923-07-21: 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 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Margin	Records
0 to 10	73
10 to 20	5
20 to 30	2
30 to 40	1
40 to 50	0
50 to 60	1