Weather Records on 21 March 1927

179 weather records were set or tied worldwide on 21 March 1927. Highest significance: New Orleans Audubon, US.

Key Facts for 21 March 1927

On 21 March 1927, 179 weather records were set or tied at long-record stations worldwide.
72 were record highs and 31 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 2 monthly and 177 daily.
New Orleans Audubon set a daily record precipitation of 103.4 mm (4.1 in) on 21 March 1927.
Across 157 earlier years (1797 to 2026) the same calendar date averaged 485 records.

Record Map

179 stations

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

Weather records on 21 March 1927: highest significance records shown on the map
Station	Country	Type	Value	Significance
New Orleans Audubon	United States	Record daily precipitation	103.4 mm (4.1 in)	51 of 100 (Notable)
Hammond	United States	Record daily precipitation	100.8 mm (4.0 in)	47 of 100 (Notable)
Franklin 3 NW	United States	Record daily precipitation	116.8 mm (4.6 in)	44 of 100 (Notable)
Uccle	Belgium	Record high maximum temperature	20.6 C (69.1 F)	36 of 100 (Notable)
Umzimkulu (Tnk)	South Africa	Record daily precipitation	71.4 mm (2.8 in)	32 of 100 (Routine)
Biloxi	United States	Record daily precipitation	90.2 mm (3.6 in)	30 of 100 (Routine)
Pelee Island	Canada	Record daily precipitation	27.4 mm (1.1 in)	28 of 100 (Routine)
Madison Sewage Plt	United States	Record daily precipitation	48.5 mm (1.9 in)	28 of 100 (Routine)
Bay Saint Louis	United States	Record daily precipitation	97.8 mm (3.9 in)	27 of 100 (Routine)
Evergreen	United States	Record daily precipitation	53.3 mm (2.1 in)	24 of 100 (Routine)
Covington 8 WNW	United States	Record daily precipitation	127.0 mm (5.0 in)	24 of 100 (Routine)
Monroe #2	United States	Record daily precipitation	36.3 mm (1.4 in)	22 of 100 (Routine)
Brome	Canada	Record daily snowfall	7.6 cm (3.0 in)	21 of 100 (Routine)
Gloversville	United States	Record daily precipitation	30.5 mm (1.2 in)	21 of 100 (Routine)
Parkers Landing	United States	Record daily precipitation	30.5 mm (1.2 in)	21 of 100 (Routine)
Karesuando	Sweden	Record daily precipitation	5.6 mm (0.22 in)	20 of 100 (Routine)
Astrakan	Russia	Record daily precipitation	8.3 mm (0.33 in)	20 of 100 (Routine)
Moonta	Australia	Record daily precipitation	12.7 mm (0.5 in)	20 of 100 (Routine)
Denial Bay (Nadia)	Australia	Record daily precipitation	7.6 mm (0.30 in)	20 of 100 (Routine)
Vasteras-Hasslo	Sweden	Record high minimum temperature	4.0 C (39.2 F)	20 of 100 (Routine)
Gunnison 3SW	United States	Record low maximum temperature	-5.6 C (21.9 F)	20 of 100 (Routine)
Shelbyville Sewage Plt	United States	Record daily precipitation	38.6 mm (1.5 in)	20 of 100 (Routine)
Marshalltown	United States	Record snow depth	63.5 cm (25.0 in)	20 of 100 (Routine)
Amite	United States	Record daily precipitation	49.5 mm (1.9 in)	20 of 100 (Routine)
Visby_Flygplats	Sweden	Record high minimum temperature	4.0 C (39.2 F)	19 of 100 (Routine)
Saentis	Switzerland	Record high maximum temperature	2.0 C (35.6 F)	19 of 100 (Routine)
Stornoway Airport	United Kingdom	Record high minimum temperature	8.3 C (46.9 F)	19 of 100 (Routine)
Blanco	United States	Record daily precipitation	14.7 mm (0.6 in)	19 of 100 (Routine)
Muenster	Germany	Record high maximum temperature	20.0 C (68.0 F)	18 of 100 (Routine)
Gunnison 3SW	United States	Record low minimum temperature	-28.3 C (-18.9 F)	18 of 100 (Routine)
Houma	United States	Record daily precipitation	73.7 mm (2.9 in)	18 of 100 (Routine)
Portland	United States	Record daily snowfall	3.0 cm (1.2 in)	18 of 100 (Routine)
Hattiesburg 5SW	United States	Record daily precipitation	47.2 mm (1.9 in)	18 of 100 (Routine)
Tekamah	United States	Record daily precipitation	12.7 mm (0.5 in)	18 of 100 (Routine)
Glens Falls Fire STN	United States	Record daily precipitation	20.8 mm (0.8 in)	18 of 100 (Routine)
Franklin	United States	Record daily precipitation	35.3 mm (1.4 in)	18 of 100 (Routine)
Boulia Airport	Australia	Record high minimum temperature	27.3 C (81.1 F)	17 of 100 (Routine)
Plauen	Germany	Record high maximum temperature	18.0 C (64.4 F)	17 of 100 (Routine)
Orebro	Sweden	Record high minimum temperature	5.0 C (41.0 F)	17 of 100 (Routine)
Delta	United States	Record low minimum temperature	-16.7 C (1.9 F)	17 of 100 (Routine)
Socorro	United States	Record low minimum temperature	-7.2 C (19.0 F)	17 of 100 (Routine)
Little Falls City Rsch	United States	Record daily precipitation	19.8 mm (0.8 in)	17 of 100 (Routine)
Alice Springs Post Office	Australia	Record high maximum temperature	38.7 C (101.7 F)	16 of 100 (Routine)
Marrabel	Australia	Record daily precipitation	9.1 mm (0.36 in)	16 of 100 (Routine)
Innsbruck	Austria	Record high maximum temperature	19.0 C (66.2 F)	16 of 100 (Routine)
Renfrew	Canada	Record daily precipitation	6.9 mm (0.27 in)	16 of 100 (Routine)
Heinersreuth-Vollhof	Germany	Record high maximum temperature	19.7 C (67.5 F)	16 of 100 (Routine)
Boras	Sweden	Record high minimum temperature	5.5 C (41.9 F)	16 of 100 (Routine)
Schriever	United States	Record daily precipitation	83.8 mm (3.3 in)	16 of 100 (Routine)
Waynesville	United States	Record daily precipitation	23.4 mm (0.9 in)	16 of 100 (Routine)
Blackville 3 W	United States	Record high minimum temperature	18.9 C (66.0 F)	16 of 100 (Routine)
Tewantin Post Office	Australia	Record low maximum temperature	23.9 C (75.0 F)	15 of 100 (Routine)
Clontarf	Canada	Record daily snowfall	6.4 cm (2.5 in)	15 of 100 (Routine)
Altastenberg	Germany	Record high maximum temperature	17.5 C (63.5 F)	15 of 100 (Routine)
Kirchdorf/Poel	Germany	Record high maximum temperature	14.4 C (57.9 F)	15 of 100 (Routine)
Le Mars	United States	Record snow depth	76.2 cm (30.0 in)	15 of 100 (Routine)
Magnolia	United States	Record daily precipitation	44.2 mm (1.7 in)	15 of 100 (Routine)
Imperial	United States	Record low minimum temperature	-20.6 C (-5.1 F)	15 of 100 (Routine)
Port Jervis	United States	Record daily precipitation	35.6 mm (1.4 in)	15 of 100 (Routine)
Danevang 1 W	United States	Record daily precipitation	11.2 mm (0.4 in)	15 of 100 (Routine)

Counts by Type and Timescale

179 records

Records set or tied on 21 March 1927 by type: Highest daily maximum 19, Lowest daily maximum 9, Highest daily minimum 53, Lowest daily minimum 22, Heaviest daily rainfall 63, Heaviest daily snowfall 9, Deepest snow cover 4.

Records on 21 March 1927 by type
Record type	Records
Highest daily maximum	19
Lowest daily maximum	9
Highest daily minimum	53
Lowest daily minimum	22
Heaviest daily rainfall	63
Heaviest daily snowfall	9
Deepest snow cover	4

Records on 21 March 1927 by timescale: all-time 0, monthly 2, daily 177.

How Much Records Were Beaten By

149 broken records

Margins by which the 149 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 610.0. Ties are not counted.

Top 20 by Significance

21 March 1927

Top 20 records on 21 March 1927 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 March 1927	New Orleans Audubon, US	daily rain	103.4 mm (4.1 in)	73.9 mm (2.9 in)	29 years	51 of 100 (Notable)
21 March 1927	Hammond, US	daily rain	100.8 mm (4.0 in)	79.2 mm (3.1 in)	24 years	47 of 100 (Notable)
21 March 1927	Franklin 3 NW, US	daily rain	116.8 mm (4.6 in)	90.1 mm (3.5 in)	4 years	44 of 100 (Notable)
21 March 1927	Uccle, BE	daily high max	20.6 C (69.1 F)	0.4 C (0.7 F)	90 years	36 of 100 (Notable)
21 March 1927	Umzimkulu (Tnk), ZA	daily rain	71.4 mm (2.8 in)	28.7 mm (1.1 in)	6 years	32 of 100 (Routine)
21 March 1927	Biloxi, US	daily rain	90.2 mm (3.6 in)	58.7 mm (2.3 in)	24 years	30 of 100 (Routine)
21 March 1927	Pelee Island, CA	daily rain	27.4 mm (1.1 in)	18.3 mm (0.7 in)	24 years	28 of 100 (Routine)
21 March 1927	Madison Sewage Plt, US	daily rain	48.5 mm (1.9 in)	19.0 mm (0.7 in)	28 years	28 of 100 (Routine)
21 March 1927	Bay Saint Louis, US	daily rain	97.8 mm (3.9 in)	48.3 mm (1.9 in)	18 years	27 of 100 (Routine)
21 March 1927	Evergreen, US	daily rain	53.3 mm (2.1 in)	33.0 mm (1.3 in)	24 years	24 of 100 (Routine)
21 March 1927	Covington 8 WNW, US	monthly rain	127.0 mm (5.0 in)	11.9 mm (0.5 in)	22 years	24 of 100 (Routine)
21 March 1927	Monroe #2, US	daily rain	36.3 mm (1.4 in)	28.2 mm (1.1 in)	13 years	22 of 100 (Routine)
21 March 1927	Brome, CA	daily snowfall	7.6 cm (3.0 in)	2.5 cm (1.0 in)	45 years	21 of 100 (Routine)
21 March 1927	Gloversville, US	daily rain	30.5 mm (1.2 in)	10.2 mm (0.4 in)	21 years	21 of 100 (Routine)
21 March 1927	Parkers Landing, US	daily rain	30.5 mm (1.2 in)	11.7 mm (0.5 in)	14 years	21 of 100 (Routine)
21 March 1927	Karesuando, SE	daily rain	5.6 mm (0.22 in)	4.7 mm (0.19 in)	8 years	20 of 100 (Routine)
21 March 1927	Astrakan, RU	daily rain	8.3 mm (0.33 in)	5.6 mm (0.22 in)	12 years	20 of 100 (Routine)
21 March 1927	Moonta, AU	daily rain	12.7 mm (0.5 in)	6.6 mm (0.26 in)	26 years	20 of 100 (Routine)
21 March 1927	Denial Bay (Nadia), AU	daily rain	7.6 mm (0.30 in)	6.8 mm (0.27 in)	26 years	20 of 100 (Routine)
21 March 1927	Vasteras-Hasslo, SE	daily high min	4.0 C (39.2 F)	2.0 C (3.6 F)	44 years	20 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

1797 to 1927

Records set or tied on this calendar date in each year from 1797 to 1927. 1927 had 179 records.

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

Records on 03-21 in each year
Year	Records
1797	2
1805	1
1806	1
1822	1
1830	1
1836	1
1837	1
1845	1
1846	1
1850	1
1852	2
1857	1
1865	7
1874	1
1877	1
1880	1
1881	1
1883	2
1884	1
1885	5
1886	2
1888	1
1890	3
1892	1
1893	1
1894	1
1895	1
1896	2
1897	2
1898	3
1899	4
1900	4
1901	9
1902	18
1903	23
1904	17
1905	6
1906	3
1907	14
1908	3
1909	11
1910	10
1911	10
1912	36
1913	97
1914	71
1915	27
1916	44
1917	43
1918	43
1919	29
1920	90
1921	96
1922	50
1923	72
1924	96
1925	141
1926	282
1927	179
1928	293
1929	104
1930	99
1931	638
1932	305
1933	235
1934	114
1935	675
1936	225
1937	172
1938	783
1939	280
1940	366
1941	311
1942	330
1943	217
1944	556
1945	294
1946	570
1947	192
1948	948
1949	330
1950	398
1951	779
1952	689
1953	342
1954	211
1955	1,124
1956	686
1957	373
1958	619
1959	230
1960	892
1961	268
1962	548
1963	298
1964	333
1965	1,961
1966	464
1967	487
1968	798
1969	219
1970	612
1971	358
1972	519
1973	385
1974	1,097
1975	751
1976	710
1977	376
1978	838
1979	656
1980	775
1981	676
1982	850
1983	1,673
1984	835
1985	503
1986	1,170
1987	948
1988	1,155
1989	1,396
1990	1,380
1991	1,446
1992	877
1993	687
1994	684
1995	1,141
1996	1,119
1997	1,670
1998	935
1999	1,044
2000	802
2001	1,342
2002	1,593
2003	1,073
2004	1,511
2005	649
2006	1,417
2007	1,220
2008	734
2009	558
2010	1,134
2011	1,451
2012	2,854
2013	727
2014	639
2015	568
2016	553
2017	1,117
2018	809
2019	649
2020	445
2021	489
2022	615
2023	815
2024	432
2025	845
2026	2,614

Download the Data

Data for records on 1927-03-21: 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 100	147
100 to 200	0
200 to 300	0
300 to 400	0
400 to 500	0
500 to 600	1
600 to 700	1