Weather Records on 21 June 1929

84 weather records were set or tied worldwide on 21 June 1929. Highest significance: Gospic, HR.

Key Facts for 21 June 1929

On 21 June 1929, 84 weather records were set or tied at long-record stations worldwide.
44 were record highs and 14 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 2 monthly and 80 daily.
Gospic set a daily record precipitation of 48.0 mm (1.9 in) on 21 June 1929.
Across 165 earlier years (1802 to 2026) the same calendar date averaged 433 records.

Record Map

84 stations

84 station records on 21 June 1929 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 June 1929: highest significance records shown on the map
Station	Country	Type	Value	Significance
Gospic	Croatia	Record daily precipitation	48.0 mm (1.9 in)	34 of 100 (Routine)
Emporium 1 E	United States	Record daily precipitation	51.8 mm (2.0 in)	30 of 100 (Routine)
Weeping Water	United States	Record daily precipitation	72.4 mm (2.9 in)	29 of 100 (Routine)
Crescent City 3 NNW	United States	Record high maximum temperature	27.2 C (81.0 F)	25 of 100 (Routine)
Santa Maria	United States	Record high maximum temperature	42.8 C (109.0 F)	24 of 100 (Routine)
Yalta	Ukraine	Record daily precipitation	26.0 mm (1.0 in)	23 of 100 (Routine)
Loudon 1 E	United States	Record daily precipitation	45.2 mm (1.8 in)	23 of 100 (Routine)
Fort Chipewyan	Canada	Record low maximum temperature	6.1 C (43.0 F)	21 of 100 (Routine)
Biskra	Algeria	Record daily precipitation	8.6 mm (0.34 in)	20 of 100 (Routine)
Laghouat	Algeria	Record daily precipitation	17.8 mm (0.7 in)	20 of 100 (Routine)
Santa Barbara	United States	Record high maximum temperature	33.3 C (91.9 F)	18 of 100 (Routine)
New Cumberland L/D	United States	Record low minimum temperature	5.6 C (42.1 F)	18 of 100 (Routine)
Biser	Russia	Record daily precipitation	14.2 mm (0.6 in)	17 of 100 (Routine)
Kremsmuenster	Austria	Record daily precipitation	34.0 mm (1.3 in)	16 of 100 (Routine)
Port Dover	Canada	Record high minimum temperature	20.6 C (69.1 F)	16 of 100 (Routine)
Irkutsk	Russia	Record daily precipitation	11.1 mm (0.4 in)	16 of 100 (Routine)
Bisbee	United States	Record high minimum temperature	23.9 C (75.0 F)	16 of 100 (Routine)
Santa Cruz	United States	Record high maximum temperature	39.4 C (102.9 F)	16 of 100 (Routine)
Harrisburg River Gage	United States	Record daily precipitation	22.6 mm (0.9 in)	16 of 100 (Routine)
Galway	Ireland	Record low minimum temperature	5.0 C (41.0 F)	15 of 100 (Routine)
Jerome	United States	Record high maximum temperature	39.4 C (102.9 F)	15 of 100 (Routine)
Baton Rouge	United States	Record daily precipitation	46.2 mm (1.8 in)	15 of 100 (Routine)
Lowville	United States	Record high maximum temperature	31.1 C (88.0 F)	15 of 100 (Routine)
Reit Im Winkl	Germany	Record daily precipitation	52.0 mm (2.0 in)	14 of 100 (Routine)
Jhb-Joubert Park	South Africa	Record daily precipitation	2.0 mm (0.08 in)	14 of 100 (Routine)
Johnstown	United States	Record daily precipitation	62.7 mm (2.5 in)	14 of 100 (Routine)
Clayton 1 SSW	United States	Record low minimum temperature	11.1 C (52.0 F)	13 of 100 (Routine)
Enosburg Falls	United States	Record high maximum temperature	30.6 C (87.1 F)	13 of 100 (Routine)
Yerevan	Armenia	Record daily precipitation	2.5 mm (0.10 in)	12 of 100 (Routine)
Cape Grim (Woolnorth)	Australia	Record daily precipitation	16.0 mm (0.6 in)	12 of 100 (Routine)
Chatham	Canada	Record low minimum temperature	0.6 C (33.1 F)	12 of 100 (Routine)
Geneva	United States	Record daily precipitation	38.1 mm (1.5 in)	12 of 100 (Routine)
Auburn	United States	Record high maximum temperature	31.7 C (89.1 F)	12 of 100 (Routine)
Setif	Algeria	Record daily precipitation	4.7 mm (0.19 in)	11 of 100 (Routine)
Colac Botanical Gardens	Australia	Record daily precipitation	10.4 mm (0.4 in)	10 of 100 (Routine)
Oakland	United States	Record high maximum temperature	33.3 C (91.9 F)	10 of 100 (Routine)
Redlands	United States	Record high maximum temperature	38.9 C (102.0 F)	10 of 100 (Routine)
San Bernardino F S 226	United States	Record high maximum temperature	40.0 C (104.0 F)	10 of 100 (Routine)
Biloxi	United States	Record low maximum temperature	27.2 C (81.0 F)	10 of 100 (Routine)
Hamilton (Uralla)	Australia	Record daily precipitation	6.6 mm (0.26 in)	9 of 100 (Routine)
Marseille Obs. Palais-Lonchamp	France	Record high maximum temperature	31.8 C (89.2 F)	9 of 100 (Routine)
Hollister 1 SW	United States	Record high maximum temperature	40.0 C (104.0 F)	9 of 100 (Routine)
Hollister 1 SW	United States	Record high minimum temperature	16.1 C (61.0 F)	9 of 100 (Routine)
Phillipsburg 1 SSE	United States	Record low minimum temperature	10.0 C (50.0 F)	9 of 100 (Routine)
Caruthersville	United States	Record high minimum temperature	25.6 C (78.1 F)	9 of 100 (Routine)
Cortland	United States	Record high maximum temperature	32.2 C (90.0 F)	9 of 100 (Routine)
Tombstone	United States	Record high maximum temperature	40.0 C (104.0 F)	8 of 100 (Routine)
Claremont Pomona Clg	United States	Record high maximum temperature	40.6 C (105.1 F)	8 of 100 (Routine)
Healdsburg	United States	Record high minimum temperature	20.0 C (68.0 F)	8 of 100 (Routine)
Tulsa	United States	Record daily precipitation	61.5 mm (2.4 in)	8 of 100 (Routine)
Prescott	United States	Record high maximum temperature	38.9 C (102.0 F)	7 of 100 (Routine)
San Jose	United States	Record high maximum temperature	37.2 C (99.0 F)	7 of 100 (Routine)
Syracuse	United States	Record daily precipitation	26.2 mm (1.0 in)	7 of 100 (Routine)
Cape Otway Lighthouse	Australia	Record low minimum temperature	3.3 C (37.9 F)	6 of 100 (Routine)
Independence	United States	Record high minimum temperature	20.0 C (68.0 F)	6 of 100 (Routine)
Ukiah	United States	Record high minimum temperature	13.3 C (55.9 F)	6 of 100 (Routine)
Hallettsville 2 N	United States	Record high minimum temperature	27.8 C (82.0 F)	6 of 100 (Routine)
Barkestad	Norway	Record daily precipitation	14.1 mm (0.6 in)	5 of 100 (Routine)
Independence	United States	Record high maximum temperature	39.4 C (102.9 F)	3 of 100 (Routine)
Port Elliot Caravan Park	Australia	Record daily precipitation	15.7 mm (0.6 in)	2 of 100 (Routine)

Counts by Type and Timescale

84 records

Records set or tied on 21 June 1929 by type: Highest daily maximum 29, Lowest daily maximum 3, Highest daily minimum 15, Lowest daily minimum 11, Heaviest daily rainfall 26.

Records on 21 June 1929 by type
Record type	Records
Highest daily maximum	29
Lowest daily maximum	3
Highest daily minimum	15
Lowest daily minimum	11
Heaviest daily rainfall	26
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 21 June 1929 by timescale: all-time 2, monthly 2, daily 80.

How Much Records Were Beaten By

56 broken records

Margins by which the 56 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 40.6. Ties are not counted.

Top 20 by Significance

21 June 1929

Top 20 records on 21 June 1929 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 June 1929	Gospic, HR	daily rain	48.0 mm (1.9 in)	18.3 mm (0.7 in)	51 years	34 of 100 (Routine)
21 June 1929	Emporium 1 E, US	daily rain	51.8 mm (2.0 in)	24.9 mm (1.0 in)	11 years	30 of 100 (Routine)
21 June 1929	Weeping Water, US	daily rain	72.4 mm (2.9 in)	40.6 mm (1.6 in)	0 years	29 of 100 (Routine)
21 June 1929	Crescent City 3 NNW, US	daily high max	27.2 C (81.0 F)	6.1 C (11.0 F)	10 years	25 of 100 (Routine)
21 June 1929	Santa Maria, US	all-time high max	42.8 C (109.0 F)	0.6 C (1.1 F)	0 years	24 of 100 (Routine)
21 June 1929	Yalta, UA	daily rain	26.0 mm (1.0 in)	16.2 mm (0.6 in)	4 years	23 of 100 (Routine)
21 June 1929	Loudon 1 E, US	daily rain	45.2 mm (1.8 in)	20.6 mm (0.8 in)	8 years	23 of 100 (Routine)
21 June 1929	Fort Chipewyan, CA	daily low max	6.1 C (43.0 F)	2.8 C (5.0 F)	40 years	21 of 100 (Routine)
21 June 1929	Biskra, DZ	daily rain	8.6 mm (0.34 in)	8.6 mm (0.34 in)	48 years	20 of 100 (Routine)
21 June 1929	Laghouat, DZ	daily rain	17.8 mm (0.7 in)	15.8 mm (0.6 in)	12 years	20 of 100 (Routine)
21 June 1929	Santa Barbara, US	daily high max	33.3 C (91.9 F)	4.4 C (7.9 F)	11 years	18 of 100 (Routine)
21 June 1929	New Cumberland L/D, US	daily low min	5.6 C (42.1 F)	2.7 C (4.9 F)	30 years	18 of 100 (Routine)
21 June 1929	Biser, RU	daily rain	14.2 mm (0.6 in)	3.0 mm (0.12 in)	32 years	17 of 100 (Routine)
21 June 1929	Kremsmuenster, AT	daily rain	34.0 mm (1.3 in)	0.8 mm (0.03 in)	35 years	16 of 100 (Routine)
21 June 1929	Port Dover, CA	daily high min	20.6 C (69.1 F)	0.6 C (1.1 F)	35 years	16 of 100 (Routine)
21 June 1929	Irkutsk, RU	daily rain	11.1 mm (0.4 in)	0.9 mm (0.04 in)	38 years	16 of 100 (Routine)
21 June 1929	Bisbee, US	daily high min	23.9 C (75.0 F)	1.7 C (3.1 F)	28 years	16 of 100 (Routine)
21 June 1929	Santa Cruz, US	monthly high max	39.4 C (102.9 F)	0.5 C (0.9 F)	9 years	16 of 100 (Routine)
21 June 1929	Harrisburg River Gage, US	daily rain	22.6 mm (0.9 in)	4.6 mm (0.18 in)	26 years	16 of 100 (Routine)
21 June 1929	Galway, IE	daily low min	5.0 C (41.0 F)	0.6 C (1.1 F)	26 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

1802 to 1929

Records set or tied on this calendar date in each year from 1802 to 1929. 1929 had 84 records.

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

Records on 06-21 in each year
Year	Records
1802	1
1803	2
1805	1
1814	1
1821	3
1828	1
1831	1
1839	2
1846	1
1853	1
1855	1
1861	3
1865	1
1868	1
1869	4
1870	3
1871	1
1873	1
1874	1
1875	2
1879	1
1880	1
1881	1
1882	1
1883	1
1884	2
1885	1
1886	3
1887	1
1888	3
1889	1
1891	1
1892	2
1893	7
1895	6
1896	3
1897	3
1898	6
1899	6
1900	6
1901	5
1902	20
1903	15
1904	7
1905	14
1906	19
1907	15
1908	20
1909	19
1910	36
1911	12
1912	14
1913	34
1914	24
1915	40
1916	80
1917	97
1918	77
1919	32
1920	42
1921	85
1922	43
1923	229
1924	124
1925	333
1926	162
1927	146
1928	139
1929	84
1930	177
1931	340
1932	180
1933	645
1934	223
1935	247
1936	642
1937	475
1938	396
1939	250
1940	674
1941	401
1942	340
1943	439
1944	426
1945	709
1946	386
1947	637
1948	392
1949	391
1950	329
1951	347
1952	502
1953	761
1954	501
1955	271
1956	534
1957	932
1958	627
1959	356
1960	471
1961	956
1962	176
1963	667
1964	458
1965	400
1966	467
1967	789
1968	654
1969	687
1970	614
1971	394
1972	934
1973	683
1974	598
1975	996
1976	746
1977	476
1978	368
1979	857
1980	677
1981	889
1982	658
1983	752
1984	913
1985	516
1986	601
1987	940
1988	1,834
1989	856
1990	847
1991	1,067
1992	1,679
1993	939
1994	777
1995	978
1996	1,075
1997	1,037
1998	1,746
1999	994
2000	1,212
2001	658
2002	828
2003	1,034
2004	697
2005	1,090
2006	774
2007	1,085
2008	580
2009	1,060
2010	852
2011	1,340
2012	1,151
2013	571
2014	434
2015	707
2016	877
2017	954
2018	577
2019	969
2020	519
2021	1,132
2022	774
2023	987
2024	679
2025	1,536
2026	736

Download the Data

Data for records on 1929-06-21: 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).

Histogram of margins by which records were beaten on 21 June 1929
Margin	Records
0 to 10	50
10 to 20	3
20 to 30	2
30 to 40	0
40 to 50	1