Weather Records on 21 June 1927

146 weather records were set or tied worldwide on 21 June 1927. Highest significance: Bee Branch, US.

Key Facts for 21 June 1927

On 21 June 1927, 146 weather records were set or tied at long-record stations worldwide.
34 were record highs and 25 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 4 monthly and 141 daily.
Bee Branch set a daily record precipitation of 100.3 mm (3.9 in) on 21 June 1927.
Across 165 earlier years (1802 to 2026) the same calendar date averaged 433 records.

Record Map

146 stations

146 station records on 21 June 1927 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 June 1927: highest significance records shown on the map
Station	Country	Type	Value	Significance
Bee Branch	United States	Record daily precipitation	100.3 mm (3.9 in)	49 of 100 (Notable)
Halifax	Canada	Record daily precipitation	131.1 mm (5.2 in)	46 of 100 (Notable)
Minto	United States	Record daily precipitation	64.3 mm (2.5 in)	45 of 100 (Notable)
Hot Springs 1 NNE	United States	Record daily precipitation	57.7 mm (2.3 in)	43 of 100 (Notable)
Karesuando	Sweden	Record daily precipitation	26.6 mm (1.0 in)	41 of 100 (Notable)
Newport	United States	Record daily precipitation	82.6 mm (3.3 in)	40 of 100 (Notable)
Corning	United States	Record daily precipitation	60.2 mm (2.4 in)	39 of 100 (Notable)
Malvern	United States	Record daily precipitation	68.6 mm (2.7 in)	39 of 100 (Notable)
Crookston NW Exp STN	United States	Record daily precipitation	56.1 mm (2.2 in)	35 of 100 (Notable)
Antigo	United States	Record daily precipitation	86.9 mm (3.4 in)	35 of 100 (Notable)
Mena	United States	Record daily precipitation	54.6 mm (2.1 in)	33 of 100 (Routine)
Flandreau	United States	Record daily precipitation	43.2 mm (1.7 in)	30 of 100 (Routine)
Green Bay	United States	Record daily precipitation	35.6 mm (1.4 in)	30 of 100 (Routine)
Conway	United States	Record daily precipitation	53.6 mm (2.1 in)	29 of 100 (Routine)
Kalamazoo State Hospital	United States	Record daily precipitation	36.6 mm (1.4 in)	29 of 100 (Routine)
Grand Forks UNIV (NWS)	United States	Record daily precipitation	46.2 mm (1.8 in)	29 of 100 (Routine)
Mt Carroll	United States	Record daily precipitation	39.9 mm (1.6 in)	28 of 100 (Routine)
Oran-Hopital Militaire	Algeria	Record high minimum temperature	22.0 C (71.6 F)	27 of 100 (Routine)
Bloomington Normal	United States	Record daily precipitation	45.2 mm (1.8 in)	27 of 100 (Routine)
Minden	United States	Record daily precipitation	53.8 mm (2.1 in)	26 of 100 (Routine)
Prescott 2 NNW	United States	Record daily precipitation	101.6 mm (4.0 in)	25 of 100 (Routine)
Iowa City	United States	Record daily precipitation	118.9 mm (4.7 in)	25 of 100 (Routine)
Tulsa	United States	Record daily precipitation	53.8 mm (2.1 in)	25 of 100 (Routine)
Stevens Pt	United States	Record daily precipitation	89.7 mm (3.5 in)	25 of 100 (Routine)
S Haven	United States	Record daily precipitation	25.7 mm (1.0 in)	24 of 100 (Routine)
Hay River	Canada	Record low maximum temperature	2.8 C (37.0 F)	22 of 100 (Routine)
Geilo	Norway	Record snow depth	10.0 cm (3.9 in)	22 of 100 (Routine)
Fulton	United States	Record daily precipitation	47.8 mm (1.9 in)	22 of 100 (Routine)
Marengo	United States	Record daily precipitation	57.2 mm (2.3 in)	22 of 100 (Routine)
Lake Mills Wwtp	United States	Record daily precipitation	49.5 mm (1.9 in)	22 of 100 (Routine)
Gallivare_A	Sweden	Record daily precipitation	18.8 mm (0.7 in)	20 of 100 (Routine)
Fords Bridge	Australia	Record daily precipitation	20.8 mm (0.8 in)	20 of 100 (Routine)
Idracowra	Australia	Record daily precipitation	20.3 mm (0.8 in)	20 of 100 (Routine)
1 WSW Princeton	United States	Record daily precipitation	60.2 mm (2.4 in)	20 of 100 (Routine)
Cedar Rapids #1	United States	Record daily precipitation	47.0 mm (1.9 in)	20 of 100 (Routine)
New London	United States	Record daily precipitation	39.6 mm (1.6 in)	20 of 100 (Routine)
Whitehead	Canada	Record daily precipitation	25.9 mm (1.0 in)	19 of 100 (Routine)
Kursk	Russia	Record daily precipitation	17.5 mm (0.7 in)	19 of 100 (Routine)
Pocahontas 1	United States	Record daily precipitation	23.1 mm (0.9 in)	19 of 100 (Routine)
Agassiz Cda	Canada	Record high minimum temperature	16.7 C (62.1 F)	18 of 100 (Routine)
Wolfville	Canada	Record daily precipitation	17.8 mm (0.7 in)	18 of 100 (Routine)
Jonesboro 3 SSE	United States	Record daily precipitation	45.7 mm (1.8 in)	18 of 100 (Routine)
Lebanon 2W	United States	Record daily precipitation	59.7 mm (2.4 in)	18 of 100 (Routine)
Fond du Lac Wwtp	United States	Record daily precipitation	32.5 mm (1.3 in)	18 of 100 (Routine)
Kamennaja-Step	Russia	Record daily precipitation	23.5 mm (0.9 in)	17 of 100 (Routine)
Detroit Lakes 1 NNE	United States	Record daily precipitation	48.0 mm (1.9 in)	17 of 100 (Routine)
Menasha	United States	Record daily precipitation	20.1 mm (0.8 in)	17 of 100 (Routine)
Texarkana Webb Fld	United States	Record daily precipitation	45.0 mm (1.8 in)	17 of 100 (Routine)
Steveston	Canada	Record high maximum temperature	26.7 C (80.1 F)	16 of 100 (Routine)
Arkadelphia 2 N	United States	Record daily precipitation	81.3 mm (3.2 in)	16 of 100 (Routine)
Abbeville	United States	Record high minimum temperature	26.1 C (79.0 F)	16 of 100 (Routine)
Franklin 3 NW	United States	Record high minimum temperature	26.1 C (79.0 F)	16 of 100 (Routine)
Blanco	United States	Record low maximum temperature	24.4 C (75.9 F)	16 of 100 (Routine)
Boerne	United States	Record daily precipitation	25.4 mm (1.0 in)	16 of 100 (Routine)
Pine River 3 NE	United States	Record daily precipitation	32.3 mm (1.3 in)	16 of 100 (Routine)
Demopolis Lock 4	United States	Record daily precipitation	40.9 mm (1.6 in)	15 of 100 (Routine)
Stratton	United States	Record daily precipitation	23.1 mm (0.9 in)	15 of 100 (Routine)
Henbury	Australia	Record daily precipitation	17.8 mm (0.7 in)	14 of 100 (Routine)
New Westminster	Canada	Record high minimum temperature	15.0 C (59.0 F)	14 of 100 (Routine)
Monroe #2	United States	Record daily precipitation	31.0 mm (1.2 in)	14 of 100 (Routine)

Counts by Type and Timescale

146 records

Records set or tied on 21 June 1927 by type: Highest daily maximum 12, Lowest daily maximum 18, Highest daily minimum 22, Lowest daily minimum 7, Heaviest daily rainfall 86, Deepest snow cover 1.

Records on 21 June 1927 by type
Record type	Records
Highest daily maximum	12
Lowest daily maximum	18
Highest daily minimum	22
Lowest daily minimum	7
Heaviest daily rainfall	86
Heaviest daily snowfall	0
Deepest snow cover	1

Records on 21 June 1927 by timescale: all-time 1, monthly 4, daily 141.

How Much Records Were Beaten By

120 broken records

Margins by which the 120 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 100.0. Ties are not counted.

Top 20 by Significance

21 June 1927

Top 20 records on 21 June 1927 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 June 1927	Bee Branch, US	daily rain	100.3 mm (3.9 in)	74.9 mm (2.9 in)	21 years	49 of 100 (Notable)
21 June 1927	Halifax, CA	monthly rain	131.1 mm (5.2 in)	27.0 mm (1.1 in)	25 years	46 of 100 (Notable)
21 June 1927	Minto, US	daily rain	64.3 mm (2.5 in)	38.9 mm (1.5 in)	18 years	45 of 100 (Notable)
21 June 1927	Hot Springs 1 NNE, US	daily rain	57.7 mm (2.3 in)	48.8 mm (1.9 in)	35 years	43 of 100 (Notable)
21 June 1927	Karesuando, SE	daily rain	26.6 mm (1.0 in)	14.4 mm (0.6 in)	5 years	41 of 100 (Notable)
21 June 1927	Newport, US	daily rain	82.6 mm (3.3 in)	49.6 mm (2.0 in)	9 years	40 of 100 (Notable)
21 June 1927	Corning, US	daily rain	60.2 mm (2.4 in)	40.4 mm (1.6 in)	20 years	39 of 100 (Notable)
21 June 1927	Malvern, US	daily rain	68.6 mm (2.7 in)	57.2 mm (2.3 in)	5 years	39 of 100 (Notable)
21 June 1927	Crookston NW Exp STN, US	daily rain	56.1 mm (2.2 in)	27.1 mm (1.1 in)	28 years	35 of 100 (Notable)
21 June 1927	Antigo, US	monthly rain	86.9 mm (3.4 in)	23.9 mm (0.9 in)	13 years	35 of 100 (Notable)
21 June 1927	Mena, US	daily rain	54.6 mm (2.1 in)	34.8 mm (1.4 in)	34 years	33 of 100 (Routine)
21 June 1927	Flandreau, US	daily rain	43.2 mm (1.7 in)	26.7 mm (1.1 in)	25 years	30 of 100 (Routine)
21 June 1927	Green Bay, US	daily rain	35.6 mm (1.4 in)	22.9 mm (0.9 in)	26 years	30 of 100 (Routine)
21 June 1927	Conway, US	daily rain	53.6 mm (2.1 in)	30.0 mm (1.2 in)	8 years	29 of 100 (Routine)
21 June 1927	Kalamazoo State Hospital, US	daily rain	36.6 mm (1.4 in)	20.3 mm (0.8 in)	33 years	29 of 100 (Routine)
21 June 1927	Grand Forks UNIV (NWS), US	daily rain	46.2 mm (1.8 in)	22.1 mm (0.9 in)	28 years	29 of 100 (Routine)
21 June 1927	Mt Carroll, US	daily rain	39.9 mm (1.6 in)	24.7 mm (1.0 in)	18 years	28 of 100 (Routine)
21 June 1927	Oran-Hopital Militaire, DZ	daily high min	22.0 C (71.6 F)	0.5 C (0.9 F)	60 years	27 of 100 (Routine)
21 June 1927	Bloomington Normal, US	daily rain	45.2 mm (1.8 in)	27.9 mm (1.1 in)	13 years	27 of 100 (Routine)
21 June 1927	Minden, US	daily rain	53.8 mm (2.1 in)	25.9 mm (1.0 in)	13 years	26 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 1927

Records set or tied on this calendar date in each year from 1802 to 1927. 1927 had 146 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 1927-06-21: 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).

Margin	Records
0 to 20	95
20 to 40	19
40 to 60	4
60 to 80	1
80 to 100	1