Weather Records on 28 June 1921

68 weather records were set or tied worldwide on 28 June 1921. Highest significance: St. Petersburg, RU.

Key Facts for 28 June 1921

On 28 June 1921, 68 weather records were set or tied at long-record stations worldwide.
29 were record highs and 13 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 1 monthly and 67 daily.
St. Petersburg set a daily record precipitation of 28.7 mm (1.1 in) on 28 June 1921.
Across 158 earlier years (1815 to 2026) the same calendar date averaged 471 records.

Record Map

68 stations

68 station records on 28 June 1921 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 28 June 1921: highest significance records shown on the map
Station	Country	Type	Value	Significance
St. Petersburg	Russia	Record daily precipitation	28.7 mm (1.1 in)	40 of 100 (Notable)
Adrian 2 NNE	United States	Record daily precipitation	73.2 mm (2.9 in)	39 of 100 (Notable)
Newark Liberty Intl AP	United States	Record daily precipitation	25.9 mm (1.0 in)	31 of 100 (Routine)
Alton	Canada	Record daily precipitation	35.6 mm (1.4 in)	28 of 100 (Routine)
Lindsay	Canada	Record daily precipitation	34.5 mm (1.4 in)	28 of 100 (Routine)
Galway	Ireland	Record low minimum temperature	6.1 C (43.0 F)	27 of 100 (Routine)
Anticosti SW Point	Canada	Record daily precipitation	27.4 mm (1.1 in)	26 of 100 (Routine)
World Trade Ctr	United States	Record daily precipitation	29.2 mm (1.1 in)	25 of 100 (Routine)
Ottawa	Canada	Record daily precipitation	31.5 mm (1.2 in)	21 of 100 (Routine)
Tallinn	Estonia	Record daily precipitation	22.5 mm (0.9 in)	20 of 100 (Routine)
Fergana	Uzbekistan	Record daily precipitation	11.0 mm (0.4 in)	20 of 100 (Routine)
Port Jervis	United States	Record daily precipitation	20.3 mm (0.8 in)	20 of 100 (Routine)
Cobar (the Meadows)	Australia	Record daily precipitation	12.7 mm (0.5 in)	20 of 100 (Routine)
Spring Hill	Australia	Record daily precipitation	74.9 mm (2.9 in)	20 of 100 (Routine)
Kazan	Russia	Record high minimum temperature	21.1 C (70.0 F)	20 of 100 (Routine)
Baltimore Customs House	United States	Record high maximum temperature	35.6 C (96.1 F)	20 of 100 (Routine)
Cumbalum (Fairview)	Australia	Record daily precipitation	49.8 mm (2.0 in)	19 of 100 (Routine)
Dublin Phoenix Park	Ireland	Record low minimum temperature	4.4 C (39.9 F)	19 of 100 (Routine)
Tobolsk	Russia	Record high minimum temperature	23.3 C (73.9 F)	19 of 100 (Routine)
Ottawa Cda	Canada	Record daily precipitation	24.9 mm (1.0 in)	18 of 100 (Routine)
Philadelphia City	United States	Record high maximum temperature	34.4 C (93.9 F)	18 of 100 (Routine)
Vestervig	Denmark	Record low minimum temperature	8.1 C (46.6 F)	17 of 100 (Routine)
Ekaterinburg	Russia	Record high maximum temperature	33.6 C (92.5 F)	17 of 100 (Routine)
Concord	United States	Record daily precipitation	24.9 mm (1.0 in)	17 of 100 (Routine)
Moorestown 4 E	United States	Record daily precipitation	38.6 mm (1.5 in)	16 of 100 (Routine)
Toulby	Australia	Record daily precipitation	17.8 mm (0.7 in)	15 of 100 (Routine)
Cowabie	Australia	Record daily precipitation	5.8 mm (0.23 in)	15 of 100 (Routine)
Durham	United Kingdom	Record low minimum temperature	1.7 C (35.1 F)	15 of 100 (Routine)
Moorestown 4 E	United States	Record high maximum temperature	35.0 C (95.0 F)	14 of 100 (Routine)
Harrisburg - Coop	United States	Record high maximum temperature	35.0 C (95.0 F)	14 of 100 (Routine)
Sidi-Bel-Abbes	Algeria	Record high minimum temperature	20.0 C (68.0 F)	13 of 100 (Routine)
Toronto Deer Park	Canada	Record daily precipitation	10.4 mm (0.4 in)	13 of 100 (Routine)
Cap Chat	Canada	Record daily precipitation	27.9 mm (1.1 in)	13 of 100 (Routine)
Weldon	United States	Record high maximum temperature	38.3 C (100.9 F)	13 of 100 (Routine)
Mahackala	Russia	Record high minimum temperature	22.8 C (73.0 F)	12 of 100 (Routine)
Cet Central England	United Kingdom	Record low minimum temperature	5.0 C (41.0 F)	12 of 100 (Routine)
Alma	United States	Record daily precipitation	14.5 mm (0.6 in)	12 of 100 (Routine)
Double Island Point Lighthouse	Australia	Record daily precipitation	29.7 mm (1.2 in)	11 of 100 (Routine)
Gravenhurst	Canada	Record high minimum temperature	20.0 C (68.0 F)	11 of 100 (Routine)
Sheffield	United Kingdom	Record low minimum temperature	4.4 C (39.9 F)	11 of 100 (Routine)
Haliburton A	Canada	Record high minimum temperature	18.3 C (64.9 F)	10 of 100 (Routine)
Berlin-Dahlem	Germany	Record low maximum temperature	15.2 C (59.4 F)	9 of 100 (Routine)
Magdeburg	Germany	Record low maximum temperature	15.5 C (59.9 F)	9 of 100 (Routine)
Gardiner	United States	Record daily precipitation	11.2 mm (0.4 in)	9 of 100 (Routine)
Quebec	Canada	Record high maximum temperature	30.6 C (87.1 F)	8 of 100 (Routine)
Bremen-Seefahrtschule	Germany	Record low maximum temperature	13.7 C (56.7 F)	8 of 100 (Routine)
Ekaterinburg	Russia	Record high minimum temperature	18.6 C (65.5 F)	8 of 100 (Routine)
Mount Elliot Tank	Australia	Record daily precipitation	7.6 mm (0.30 in)	7 of 100 (Routine)
Tomago	Australia	Record daily precipitation	26.2 mm (1.0 in)	6 of 100 (Routine)
Renfrew	Canada	Record high maximum temperature	33.3 C (91.9 F)	6 of 100 (Routine)
Oestersund-Froesoen	Sweden	Record low maximum temperature	11.0 C (51.8 F)	6 of 100 (Routine)
Lexington	United States	Record high maximum temperature	33.9 C (93.0 F)	6 of 100 (Routine)
Sydney (Observatory Hill)	Australia	Record high maximum temperature	20.4 C (68.7 F)	5 of 100 (Routine)
Magdeburg	Germany	Record low minimum temperature	8.8 C (47.8 F)	5 of 100 (Routine)
Kingston Queens U	Canada	Record high minimum temperature	20.0 C (68.0 F)	4 of 100 (Routine)
Coldwater	Canada	Record high minimum temperature	18.9 C (66.0 F)	4 of 100 (Routine)
Cleveland 2717 Euclid	United States	Record high minimum temperature	22.2 C (72.0 F)	4 of 100 (Routine)
Inverell Comparison	Australia	Record high maximum temperature	20.0 C (68.0 F)	3 of 100 (Routine)
Montgomery Wb City	United States	Record high minimum temperature	25.6 C (78.1 F)	3 of 100 (Routine)
Port Arthur	Canada	Record high minimum temperature	13.9 C (57.0 F)	2 of 100 (Routine)

Counts by Type and Timescale

68 records

Records set or tied on 28 June 1921 by type: Highest daily maximum 13, Lowest daily maximum 6, Highest daily minimum 16, Lowest daily minimum 7, Heaviest daily rainfall 26.

Records on 28 June 1921 by type
Record type	Records
Highest daily maximum	13
Lowest daily maximum	6
Highest daily minimum	16
Lowest daily minimum	7
Heaviest daily rainfall	26
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 28 June 1921 by timescale: all-time 0, monthly 1, daily 67.

How Much Records Were Beaten By

54 broken records

Margins by which the 54 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 37.9. Ties are not counted.

Top 20 by Significance

28 June 1921

Top 20 records on 28 June 1921 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
28 June 1921	St. Petersburg, RU	daily rain	28.7 mm (1.1 in)	16.9 mm (0.7 in)	21 years	40 of 100 (Notable)
28 June 1921	Adrian 2 NNE, US	daily rain	73.2 mm (2.9 in)	37.9 mm (1.5 in)	26 years	39 of 100 (Notable)
28 June 1921	Newark Liberty Intl AP, US	daily rain	25.9 mm (1.0 in)	5.6 mm (0.22 in)	72 years	31 of 100 (Routine)
28 June 1921	Alton, CA	daily rain	35.6 mm (1.4 in)	16.3 mm (0.6 in)	32 years	28 of 100 (Routine)
28 June 1921	Lindsay, CA	daily rain	34.5 mm (1.4 in)	15.7 mm (0.6 in)	21 years	28 of 100 (Routine)
28 June 1921	Galway, IE	daily low min	6.1 C (43.0 F)	1.1 C (2.0 F)	56 years	27 of 100 (Routine)
28 June 1921	Anticosti SW Point, CA	daily rain	27.4 mm (1.1 in)	16.7 mm (0.7 in)	18 years	26 of 100 (Routine)
28 June 1921	World Trade Ctr, US	daily rain	29.2 mm (1.1 in)	13.2 mm (0.5 in)	32 years	25 of 100 (Routine)
28 June 1921	Ottawa, CA	daily rain	31.5 mm (1.2 in)	12.4 mm (0.5 in)	7 years	21 of 100 (Routine)
28 June 1921	Tallinn, EE	daily rain	22.5 mm (0.9 in)	13.9 mm (0.5 in)	47 years	20 of 100 (Routine)
28 June 1921	Fergana, UZ	daily rain	11.0 mm (0.4 in)	7.0 mm (0.28 in)	16 years	20 of 100 (Routine)
28 June 1921	Port Jervis, US	daily rain	20.3 mm (0.8 in)	13.2 mm (0.5 in)	39 years	20 of 100 (Routine)
28 June 1921	Cobar (the Meadows), AU	daily rain	12.7 mm (0.5 in)	5.1 mm (0.20 in)	35 years	20 of 100 (Routine)
28 June 1921	Spring Hill, AU	daily rain	74.9 mm (2.9 in)	22.8 mm (0.9 in)	20 years	20 of 100 (Routine)
28 June 1921	Kazan, RU	daily high min	21.1 C (70.0 F)	3.4 C (6.1 F)	30 years	20 of 100 (Routine)
28 June 1921	Baltimore Customs House, US	daily high max	35.6 C (96.1 F)	1.2 C (2.2 F)	45 years	20 of 100 (Routine)
28 June 1921	Cumbalum (Fairview), AU	daily rain	49.8 mm (2.0 in)	13.2 mm (0.5 in)	34 years	19 of 100 (Routine)
28 June 1921	Dublin Phoenix Park, IE	daily low min	4.4 C (39.9 F)	0.2 C (0.4 F)	46 years	19 of 100 (Routine)
28 June 1921	Tobolsk, RU	monthly high min	23.3 C (73.9 F)	1.5 C (2.7 F)	11 years	19 of 100 (Routine)
28 June 1921	Ottawa Cda, CA	daily rain	24.9 mm (1.0 in)	8.9 mm (0.35 in)	21 years	18 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 1921

Records set or tied on this calendar date in each year from 1815 to 1921. 1921 had 68 records.

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

Records on 06-28 in each year
Year	Records
1815	1
1823	1
1824	1
1827	1
1834	1
1835	2
1840	1
1841	1
1857	1
1860	1
1861	2
1862	1
1863	1
1864	1
1865	1
1867	1
1876	2
1878	1
1879	1
1880	1
1884	1
1887	3
1888	4
1889	2
1890	5
1891	1
1892	4
1893	5
1895	1
1896	2
1898	3
1899	2
1900	2
1901	19
1902	8
1903	2
1904	12
1905	19
1906	24
1907	12
1908	10
1909	26
1910	51
1911	30
1912	21
1913	57
1914	50
1915	64
1916	99
1917	20
1918	46
1919	69
1920	146
1921	68
1922	45
1923	222
1924	105
1925	168
1926	335
1927	256
1928	176
1929	146
1930	195
1931	843
1932	218
1933	475
1934	594
1935	332
1936	556
1937	378
1938	591
1939	333
1940	256
1941	454
1942	570
1943	422
1944	386
1945	489
1946	401
1947	818
1948	435
1949	316
1950	340
1951	420
1952	685
1953	293
1954	427
1955	369
1956	582
1957	636
1958	749
1959	647
1960	290
1961	405
1962	333
1963	672
1964	328
1965	363
1966	394
1967	398
1968	1,286
1969	961
1970	897
1971	629
1972	503
1973	696
1974	953
1975	611
1976	661
1977	397
1978	797
1979	542
1980	1,754
1981	870
1982	737
1983	1,336
1984	448
1985	1,223
1986	657
1987	615
1988	1,224
1989	736
1990	1,006
1991	1,389
1992	1,306
1993	753
1994	1,209
1995	959
1996	1,094
1997	860
1998	1,271
1999	1,348
2000	1,297
2001	712
2002	1,020
2003	748
2004	965
2005	995
2006	1,051
2007	1,086
2008	554
2009	839
2010	1,186
2011	1,051
2012	1,204
2013	934
2014	695
2015	1,257
2016	424
2017	595
2018	711
2019	685
2020	915
2021	1,472
2022	853
2023	619
2024	694
2025	454
2026	1,942

Download the Data

Data for records on 1921-06-28: 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	35
5 to 10	7
10 to 15	6
15 to 20	4
20 to 25	1
25 to 30	0
30 to 35	0
35 to 40	1