Weather Records on 21 March 1991

1,446 weather records were set or tied worldwide on 21 March 1991. Highest significance: Le Bourget, FR.

Key Facts for 21 March 1991

On 21 March 1991, 1,446 weather records were set or tied at long-record stations worldwide.
699 were record highs and 177 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 34 monthly and 1,410 daily.
Le Bourget set a daily record precipitation of 25.8 mm (1.0 in) on 21 March 1991.
Across 157 earlier years (1797 to 2026) the same calendar date averaged 477 records.

Record Map

1,446 stations

1,446 station records on 21 March 1991 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 March 1991: highest significance records shown on the map
Station	Country	Type	Value	Significance
Le Bourget	France	Record daily precipitation	25.8 mm (1.0 in)	72 of 100 (Major)
Nanchang	China	Record daily precipitation	113.3 mm (4.5 in)	61 of 100 (Major)
Kemoo Camp 8 855	United States	Record daily precipitation	140.5 mm (5.5 in)	61 of 100 (Major)
Lyon - St Exupery	France	Record daily precipitation	51.2 mm (2.0 in)	57 of 100 (Notable)
Jian	China	Record daily precipitation	63.0 mm (2.5 in)	55 of 100 (Notable)
Neuwied	Germany	Record daily precipitation	27.0 mm (1.1 in)	55 of 100 (Notable)
Waipahu 750	United States	Record daily precipitation	110.7 mm (4.4 in)	55 of 100 (Notable)
Stiege	Germany	Record daily precipitation	30.2 mm (1.2 in)	54 of 100 (Notable)
Flagstaff AP	United States	Record daily snowfall	39.1 cm (15.4 in)	53 of 100 (Notable)
Aachen	Germany	Record daily precipitation	25.2 mm (1.0 in)	52 of 100 (Notable)
Beer Sheva	Israel	Record daily precipitation	55.0 mm (2.2 in)	50 of 100 (Notable)
Mitt. Narsarsuaq	Greenland [Denmark]	Record daily precipitation	43.0 mm (1.7 in)	49 of 100 (Notable)
Qaqortoq	Greenland [Denmark]	Record daily precipitation	50.0 mm (2.0 in)	48 of 100 (Notable)
Sasabe 7 NW	United States	Record daily precipitation	41.7 mm (1.6 in)	47 of 100 (Notable)
Lennestadt-Theten	Germany	Record daily precipitation	31.3 mm (1.2 in)	46 of 100 (Notable)
Wuppertal-Buchenhofen	Germany	Record daily precipitation	27.6 mm (1.1 in)	46 of 100 (Notable)
Ourinhos	Brazil	Record daily precipitation	112.0 mm (4.4 in)	45 of 100 (Notable)
Lingling	China	Record daily precipitation	57.5 mm (2.3 in)	45 of 100 (Notable)
Arnsberg	Germany	Record daily precipitation	28.4 mm (1.1 in)	45 of 100 (Notable)
Lamberton SW Rsch & Outreach C	United States	Record daily precipitation	34.3 mm (1.4 in)	45 of 100 (Notable)
Ewa Plantation 741	United States	Record daily precipitation	80.0 mm (3.1 in)	45 of 100 (Notable)
Sao Romao (Pcd)	Brazil	Record daily precipitation	78.6 mm (3.1 in)	44 of 100 (Notable)
La Mesa	United States	Record daily precipitation	50.3 mm (2.0 in)	44 of 100 (Notable)
Magdeburg	Germany	Record high minimum temperature	9.7 C (49.5 F)	43 of 100 (Notable)
Hersdorf-Weissenseifen	Germany	Record daily precipitation	30.4 mm (1.2 in)	43 of 100 (Notable)
Alpine	United States	Record snow depth	20.3 cm (8.0 in)	43 of 100 (Notable)
Salina	United States	Record daily snowfall	10.2 cm (4.0 in)	43 of 100 (Notable)
Prescott Love Fld	United States	Record daily snowfall	14.5 cm (5.7 in)	43 of 100 (Notable)
Hameln	Germany	Record daily precipitation	27.7 mm (1.1 in)	42 of 100 (Notable)
Har Kenaan	Israel	Record daily precipitation	79.0 mm (3.1 in)	42 of 100 (Notable)
Castle Dale	United States	Record daily snowfall	5.1 cm (2.0 in)	42 of 100 (Notable)
Poway Valley	United States	Record daily precipitation	26.7 mm (1.1 in)	41 of 100 (Notable)
Rico	United States	Record low maximum temperature	-2.2 C (28.0 F)	41 of 100 (Notable)
Sunnyside - Lund 31S	United States	Record low maximum temperature	2.8 C (37.0 F)	41 of 100 (Notable)
Nicosia	Cyprus	Record high minimum temperature	12.4 C (54.3 F)	40 of 100 (Notable)
Oracle 2 SE	United States	Record daily snowfall	25.4 cm (10.0 in)	40 of 100 (Notable)
Beaver Dam Wwtp	United States	Record high minimum temperature	6.7 C (44.1 F)	40 of 100 (Notable)
Prescott Love Fld	United States	Record snow depth	15.2 cm (6.0 in)	40 of 100 (Notable)
Lead Hill	United States	Record daily precipitation	38.1 mm (1.5 in)	39 of 100 (Notable)
Sargents	United States	Record daily snowfall	17.8 cm (7.0 in)	39 of 100 (Notable)
Mina	United States	Record daily snowfall	7.6 cm (3.0 in)	39 of 100 (Notable)
Jeogla Station	Australia	Record daily precipitation	48.5 mm (1.9 in)	38 of 100 (Notable)
Eaglehawk Neck (Jetty Road)	Australia	Record daily precipitation	35.6 mm (1.4 in)	38 of 100 (Notable)
Faverges-de-la-Tour	France	Record daily precipitation	49.2 mm (1.9 in)	38 of 100 (Notable)
Halle	Germany	Record high minimum temperature	10.6 C (51.1 F)	38 of 100 (Notable)
Rinconada	Mexico	Record high minimum temperature	23.9 C (75.0 F)	38 of 100 (Notable)
Valparaiso Wtr Wks	United States	Record high minimum temperature	8.9 C (48.0 F)	38 of 100 (Notable)
Flagstaff AP	United States	Record daily precipitation	25.9 mm (1.0 in)	38 of 100 (Notable)
Morro Do Chiqueiro	Brazil	Record daily precipitation	67.2 mm (2.6 in)	37 of 100 (Notable)
Basel Binningen	Switzerland	Record high minimum temperature	10.1 C (50.2 F)	37 of 100 (Notable)
Fulton 3 W	United States	Record high minimum temperature	15.0 C (59.0 F)	37 of 100 (Notable)
Jingdezhen	China	Record daily precipitation	69.2 mm (2.7 in)	36 of 100 (Notable)
Hilgenroth	Germany	Record daily precipitation	26.4 mm (1.0 in)	36 of 100 (Notable)
Arsdorf	Luxembourg	Record daily precipitation	25.6 mm (1.0 in)	36 of 100 (Notable)
Isabela Substn	Puerto Rico [United States]	Record high minimum temperature	21.7 C (71.1 F)	36 of 100 (Notable)
Calhoun City	United States	Record high minimum temperature	20.0 C (68.0 F)	36 of 100 (Notable)
Estaleiro Daee	Brazil	Record daily precipitation	54.8 mm (2.2 in)	35 of 100 (Notable)
Ramos Arizpe (Smn)	Mexico	Record high minimum temperature	17.8 C (64.0 F)	35 of 100 (Notable)
Elim (Hosp)	South Africa	Record daily precipitation	53.0 mm (2.1 in)	35 of 100 (Notable)
Crown King	United States	Record daily snowfall	25.4 cm (10.0 in)	35 of 100 (Notable)

Counts by Type and Timescale

1,446 records

Records set or tied on 21 March 1991 by type: Highest daily maximum 171, Lowest daily maximum 137, Highest daily minimum 528, Lowest daily minimum 40, Heaviest daily rainfall 515, Heaviest daily snowfall 34, Deepest snow cover 21.

Records on 21 March 1991 by type
Record type	Records
Highest daily maximum	171
Lowest daily maximum	137
Highest daily minimum	528
Lowest daily minimum	40
Heaviest daily rainfall	515
Heaviest daily snowfall	34
Deepest snow cover	21

Records on 21 March 1991 by timescale: all-time 2, monthly 34, daily 1,410.

How Much Records Were Beaten By

1,214 broken records

Margins by which the 1,214 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 203.0. Ties are not counted.

Top 20 by Significance

21 March 1991

Top 20 records on 21 March 1991 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 March 1991	Le Bourget, FR	daily rain	25.8 mm (1.0 in)	14.8 mm (0.6 in)	78 years	72 of 100 (Major)
21 March 1991	Nanchang, CN	monthly rain	113.3 mm (4.5 in)	39.1 mm (1.5 in)	35 years	61 of 100 (Major)
21 March 1991	Kemoo Camp 8 855, US	daily rain	140.5 mm (5.5 in)	110.3 mm (4.3 in)	53 years	61 of 100 (Major)
21 March 1991	Lyon - St Exupery, FR	daily rain	51.2 mm (2.0 in)	27.0 mm (1.1 in)	34 years	57 of 100 (Notable)
21 March 1991	Jian, CN	daily rain	63.0 mm (2.5 in)	43.4 mm (1.7 in)	37 years	55 of 100 (Notable)
21 March 1991	Neuwied, DE	daily rain	27.0 mm (1.1 in)	16.4 mm (0.6 in)	38 years	55 of 100 (Notable)
21 March 1991	Waipahu 750, US	daily rain	110.7 mm (4.4 in)	87.1 mm (3.4 in)	24 years	55 of 100 (Notable)
21 March 1991	Stiege, DE	daily rain	30.2 mm (1.2 in)	18.4 mm (0.7 in)	44 years	54 of 100 (Notable)
21 March 1991	Flagstaff AP, US	daily snowfall	39.1 cm (15.4 in)	13.7 cm (5.4 in)	97 years	53 of 100 (Notable)
21 March 1991	Aachen, DE	daily rain	25.2 mm (1.0 in)	12.9 mm (0.5 in)	44 years	52 of 100 (Notable)
21 March 1991	Beer Sheva, IL	monthly rain	55.0 mm (2.2 in)	18.5 mm (0.7 in)	19 years	50 of 100 (Notable)
21 March 1991	Mitt. Narsarsuaq, GL	daily rain	43.0 mm (1.7 in)	36.5 mm (1.4 in)	24 years	49 of 100 (Notable)
21 March 1991	Qaqortoq, GL	daily rain	50.0 mm (2.0 in)	38.4 mm (1.5 in)	16 years	48 of 100 (Notable)
21 March 1991	Sasabe 7 NW, US	daily rain	41.7 mm (1.6 in)	31.0 mm (1.2 in)	32 years	47 of 100 (Notable)
21 March 1991	Lennestadt-Theten, DE	daily rain	31.3 mm (1.2 in)	13.7 mm (0.5 in)	44 years	46 of 100 (Notable)
21 March 1991	Wuppertal-Buchenhofen, DE	daily rain	27.6 mm (1.1 in)	15.6 mm (0.6 in)	52 years	46 of 100 (Notable)
21 March 1991	Ourinhos, BR	daily rain	112.0 mm (4.4 in)	75.0 mm (3.0 in)	0 years	45 of 100 (Notable)
21 March 1991	Lingling, CN	daily rain	57.5 mm (2.3 in)	36.2 mm (1.4 in)	22 years	45 of 100 (Notable)
21 March 1991	Arnsberg, DE	daily rain	28.4 mm (1.1 in)	9.8 mm (0.39 in)	52 years	45 of 100 (Notable)
21 March 1991	Lamberton SW Rsch & Outreach C, US	daily rain	34.3 mm (1.4 in)	24.6 mm (1.0 in)	18 years	45 of 100 (Notable)

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 1991

Records set or tied on this calendar date in each year from 1797 to 1991. 1991 had 1,446 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	728
2014	640
2015	568
2016	553
2017	1,117
2018	809
2019	649
2020	445
2021	489
2022	615
2023	815
2024	432
2025	845
2026	2,615

Download the Data

Data for records on 1991-03-21: 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 2026-10-15 (15 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 50	1,185
50 to 100	15
100 to 150	10
150 to 200	3
200 to 250	1