Weather Records on 27 April 1921

71 weather records were set or tied worldwide on 27 April 1921. Highest significance: Saint John, CA.

Key Facts for 27 April 1921

On 27 April 1921, 71 weather records were set or tied at long-record stations worldwide.
58 were record highs and 4 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 12 monthly and 59 daily.
Saint John set a monthly record high maximum temperature of 23.3 C (73.9 F) on 27 April 1921.
Across 158 earlier years (1795 to 2026) the same calendar date averaged 478 records.

Record Map

71 stations

71 station records on 27 April 1921 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 27 April 1921: highest significance records shown on the map
Station	Country	Type	Value	Significance
Saint John	Canada	Record high maximum temperature	23.3 C (73.9 F)	27 of 100 (Routine)
Yarmouth	Canada	Record high maximum temperature	22.8 C (73.0 F)	26 of 100 (Routine)
Spring Hill	Australia	Record daily precipitation	35.8 mm (1.4 in)	22 of 100 (Routine)
Beatrice	Canada	Record high minimum temperature	12.2 C (54.0 F)	22 of 100 (Routine)
Tranebjerg	Denmark	Record high maximum temperature	20.7 C (69.3 F)	22 of 100 (Routine)
Pitea	Sweden	Record high maximum temperature	21.5 C (70.7 F)	22 of 100 (Routine)
Parry Sound	Canada	Record high minimum temperature	12.8 C (55.0 F)	21 of 100 (Routine)
Springbok	South Africa	Record daily precipitation	10.7 mm (0.4 in)	20 of 100 (Routine)
Coldwater	Canada	Record high minimum temperature	18.3 C (64.9 F)	19 of 100 (Routine)
Sydney	Canada	Record high minimum temperature	6.1 C (43.0 F)	19 of 100 (Routine)
Koebenhavn: Landbohojskolen-1	Denmark	Record high maximum temperature	21.0 C (69.8 F)	19 of 100 (Routine)
Karlshamn	Sweden	Record high minimum temperature	9.5 C (49.1 F)	19 of 100 (Routine)
Umea	Sweden	Record high maximum temperature	21.5 C (70.7 F)	19 of 100 (Routine)
Kingston Queens U	Canada	Record high maximum temperature	23.3 C (73.9 F)	18 of 100 (Routine)
Lakefield	Canada	Record high minimum temperature	10.0 C (50.0 F)	18 of 100 (Routine)
Harnosand	Sweden	Record high maximum temperature	20.0 C (68.0 F)	18 of 100 (Routine)
Stockholm	Sweden	Record high minimum temperature	8.5 C (47.3 F)	18 of 100 (Routine)
San Diego Wbo	United States	Record high maximum temperature	28.9 C (84.0 F)	18 of 100 (Routine)
La Crosse Wb City	United States	Record daily precipitation	22.9 mm (0.9 in)	18 of 100 (Routine)
Kristianstad	Sweden	Record high maximum temperature	20.5 C (68.9 F)	17 of 100 (Routine)
Pitea	Sweden	Record high minimum temperature	2.5 C (36.5 F)	17 of 100 (Routine)
White River	Canada	Record daily precipitation	16.8 mm (0.7 in)	16 of 100 (Routine)
Halmstad	Sweden	Record high minimum temperature	10.0 C (50.0 F)	16 of 100 (Routine)
Kingston Queens U	Canada	Record high minimum temperature	11.1 C (52.0 F)	15 of 100 (Routine)
Koebenhavn: Landbohojskolen-1	Denmark	Record high minimum temperature	9.3 C (48.7 F)	15 of 100 (Routine)
Orebro	Sweden	Record high minimum temperature	7.4 C (45.3 F)	15 of 100 (Routine)
Vasteras-Hasslo	Sweden	Record high maximum temperature	23.5 C (74.3 F)	15 of 100 (Routine)
Tunis	Tunisia	Record low minimum temperature	4.0 C (39.2 F)	15 of 100 (Routine)
Yamba Pilot Station	Australia	Record daily precipitation	22.1 mm (0.9 in)	14 of 100 (Routine)
Orebro	Sweden	Record high maximum temperature	20.5 C (68.9 F)	14 of 100 (Routine)
Stornoway Airport	United Kingdom	Record high maximum temperature	17.2 C (63.0 F)	14 of 100 (Routine)
Wauchope (Avondale Street)	Australia	Record daily precipitation	16.5 mm (0.6 in)	13 of 100 (Routine)
Oestersund-Froesoen	Sweden	Record high maximum temperature	19.0 C (66.2 F)	13 of 100 (Routine)
Algiers-Ville/Universite	Algeria	Record low minimum temperature	9.0 C (48.2 F)	12 of 100 (Routine)
Cumbalum (Fairview)	Australia	Record daily precipitation	29.0 mm (1.1 in)	12 of 100 (Routine)
Sacramento 5 ESE	United States	Record high maximum temperature	30.6 C (87.1 F)	12 of 100 (Routine)
Adelaide West Terrace	Australia	Record high maximum temperature	28.6 C (83.5 F)	11 of 100 (Routine)
Karesuando	Sweden	Record high maximum temperature	12.0 C (53.6 F)	11 of 100 (Routine)
Moose Factory	Canada	Record high minimum temperature	6.7 C (44.1 F)	10 of 100 (Routine)
Bancroft	Canada	Record high minimum temperature	15.6 C (60.1 F)	10 of 100 (Routine)
Vestervig	Denmark	Record high maximum temperature	20.6 C (69.1 F)	10 of 100 (Routine)
Mildura Post Office	Australia	Record high minimum temperature	14.4 C (57.9 F)	9 of 100 (Routine)
Nordby (Fano)	Denmark	Record high maximum temperature	19.4 C (66.9 F)	9 of 100 (Routine)
Haparanda	Sweden	Record high minimum temperature	2.5 C (36.5 F)	9 of 100 (Routine)
Wollong	Australia	Record daily precipitation	7.4 mm (0.29 in)	8 of 100 (Routine)
Lindsay	Canada	Record high minimum temperature	12.2 C (54.0 F)	7 of 100 (Routine)
Halmstad	Sweden	Record high maximum temperature	21.5 C (70.7 F)	7 of 100 (Routine)
Lexington	United States	Record high minimum temperature	14.4 C (57.9 F)	7 of 100 (Routine)
Gravenhurst	Canada	Record high minimum temperature	12.8 C (55.0 F)	6 of 100 (Routine)
Lakefield	Canada	Record high maximum temperature	22.2 C (72.0 F)	6 of 100 (Routine)
Newport	United States	Record daily precipitation	23.1 mm (0.9 in)	6 of 100 (Routine)
Haliburton A	Canada	Record high minimum temperature	10.0 C (50.0 F)	5 of 100 (Routine)
Jokkmokk	Sweden	Record high maximum temperature	18.5 C (65.3 F)	5 of 100 (Routine)
Karesuando	Sweden	Record high minimum temperature	2.0 C (35.6 F)	5 of 100 (Routine)
Owen Sound	Canada	Record high minimum temperature	12.8 C (55.0 F)	4 of 100 (Routine)
Hamburg Fuhlsbuettel	Germany	Record high maximum temperature	21.5 C (70.7 F)	4 of 100 (Routine)
Bjuraker	Sweden	Record high maximum temperature	21.0 C (69.8 F)	4 of 100 (Routine)
Nemours (Ghazaouet)	Algeria	Record low minimum temperature	8.0 C (46.4 F)	3 of 100 (Routine)
Sidi-Bel-Abbes	Algeria	Record low minimum temperature	2.0 C (35.6 F)	3 of 100 (Routine)
Brome	Canada	Record high minimum temperature	15.0 C (59.0 F)	3 of 100 (Routine)

Counts by Type and Timescale

71 records

Records set or tied on 27 April 1921 by type: Highest daily maximum 31, Highest daily minimum 27, Lowest daily minimum 4, Heaviest daily rainfall 9.

Records on 27 April 1921 by type
Record type	Records
Highest daily maximum	31
Lowest daily maximum	0
Highest daily minimum	27
Lowest daily minimum	4
Heaviest daily rainfall	9
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 27 April 1921 by timescale: all-time 0, monthly 12, daily 59.

How Much Records Were Beaten By

52 broken records

Margins by which the 52 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 22.8. Ties are not counted.

Top 20 by Significance

27 April 1921

Top 20 records on 27 April 1921 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
27 April 1921	Saint John, CA	monthly high max	23.3 C (73.9 F)	1.1 C (2.0 F)	35 years	27 of 100 (Routine)
27 April 1921	Yarmouth, CA	monthly high max	22.8 C (73.0 F)	0.6 C (1.1 F)	35 years	26 of 100 (Routine)
27 April 1921	Spring Hill, AU	daily rain	35.8 mm (1.4 in)	22.8 mm (0.9 in)	29 years	22 of 100 (Routine)
27 April 1921	Beatrice, CA	daily high min	12.2 C (54.0 F)	3.3 C (5.9 F)	41 years	22 of 100 (Routine)
27 April 1921	Tranebjerg, DK	daily high max	20.7 C (69.3 F)	4.0 C (7.2 F)	23 years	22 of 100 (Routine)
27 April 1921	Pitea, SE	monthly high max	21.5 C (70.7 F)	1.5 C (2.7 F)	19 years	22 of 100 (Routine)
27 April 1921	Parry Sound, CA	daily high min	12.8 C (55.0 F)	2.8 C (5.0 F)	41 years	21 of 100 (Routine)
27 April 1921	Springbok, ZA	daily rain	10.7 mm (0.4 in)	7.4 mm (0.29 in)	29 years	20 of 100 (Routine)
27 April 1921	Coldwater, CA	monthly high min	18.3 C (64.9 F)	2.2 C (4.0 F)	8 years	19 of 100 (Routine)
27 April 1921	Sydney, CA	daily high min	6.1 C (43.0 F)	1.7 C (3.1 F)	31 years	19 of 100 (Routine)
27 April 1921	Koebenhavn: Landbohojskolen-1, DK	daily high max	21.0 C (69.8 F)	2.0 C (3.6 F)	35 years	19 of 100 (Routine)
27 April 1921	Karlshamn, SE	daily high min	9.5 C (49.1 F)	1.5 C (2.7 F)	35 years	19 of 100 (Routine)
27 April 1921	Umea, SE	monthly high max	21.5 C (70.7 F)	2.0 C (3.6 F)	0 years	19 of 100 (Routine)
27 April 1921	Kingston Queens U, CA	daily high max	23.3 C (73.9 F)	1.1 C (2.0 F)	36 years	18 of 100 (Routine)
27 April 1921	Lakefield, CA	daily high min	10.0 C (50.0 F)	1.1 C (2.0 F)	41 years	18 of 100 (Routine)
27 April 1921	Harnosand, SE	monthly high max	20.0 C (68.0 F)	1.0 C (1.8 F)	7 years	18 of 100 (Routine)
27 April 1921	Stockholm, SE	daily high min	8.5 C (47.3 F)	1.5 C (2.7 F)	35 years	18 of 100 (Routine)
27 April 1921	San Diego Wbo, US	daily high max	28.9 C (84.0 F)	1.1 C (2.0 F)	39 years	18 of 100 (Routine)
27 April 1921	La Crosse Wb City, US	daily rain	22.9 mm (0.9 in)	5.6 mm (0.22 in)	21 years	18 of 100 (Routine)
27 April 1921	Kristianstad, SE	daily high max	20.5 C (68.9 F)	2.5 C (4.5 F)	23 years	17 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

1795 to 1921

Records set or tied on this calendar date in each year from 1795 to 1921. 1921 had 71 records.

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

Records on 04-27 in each year
Year	Records
1795	1
1801	1
1802	2
1812	1
1814	1
1817	3
1828	1
1838	1
1841	1
1843	1
1852	1
1853	1
1855	1
1856	1
1857	1
1862	2
1873	2
1874	4
1879	1
1882	2
1884	2
1885	5
1887	1
1888	4
1890	3
1891	1
1892	3
1893	3
1894	7
1895	2
1896	3
1897	4
1899	5
1900	4
1901	3
1903	5
1904	11
1905	16
1906	13
1907	31
1908	27
1909	51
1910	8
1911	37
1912	5
1913	73
1914	19
1915	77
1916	36
1917	47
1918	55
1919	69
1920	44
1921	71
1922	151
1923	110
1924	103
1925	113
1926	287
1927	114
1928	404
1929	71
1930	80
1931	454
1932	331
1933	328
1934	275
1935	227
1936	97
1937	377
1938	467
1939	212
1940	268
1941	361
1942	569
1943	374
1944	214
1945	476
1946	512
1947	373
1948	535
1949	516
1950	617
1951	409
1952	722
1953	651
1954	875
1955	937
1956	685
1957	552
1958	461
1959	470
1960	684
1961	313
1962	741
1963	768
1964	711
1965	568
1966	1,282
1967	733
1968	372
1969	543
1970	1,142
1971	758
1972	645
1973	1,188
1974	926
1975	820
1976	810
1977	801
1978	694
1979	758
1980	706
1981	1,148
1982	685
1983	921
1984	1,754
1985	1,141
1986	1,225
1987	1,482
1988	893
1989	1,320
1990	1,321
1991	1,028
1992	2,163
1993	1,285
1994	1,614
1995	806
1996	1,034
1997	1,588
1998	872
1999	544
2000	1,171
2001	1,138
2002	1,024
2003	840
2004	937
2005	675
2006	705
2007	1,055
2008	1,032
2009	1,299
2010	751
2011	1,291
2012	1,015
2013	568
2014	656
2015	608
2016	755
2017	918
2018	407
2019	626
2020	497
2021	450
2022	567
2023	536
2024	574
2025	659
2026	450

Download the Data

Data for records on 1921-04-27: 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	46
5 to 10	4
10 to 15	1
15 to 20	0
20 to 25	1