Weather Records on 21 March 2015

568 weather records were set or tied worldwide on 21 March 2015. Highest significance: Eagle Pass 3N, US.

Key Facts for 21 March 2015

On 21 March 2015, 568 weather records were set or tied at long-record stations worldwide.
332 were record highs and 68 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 8 monthly and 560 daily.
Eagle Pass 3N set a daily record precipitation of 45.7 mm (1.8 in) on 21 March 2015.
Across 157 earlier years (1797 to 2026) the same calendar date averaged 482 records.

Record Map

568 stations

568 station records on 21 March 2015 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 March 2015: highest significance records shown on the map
Station	Country	Type	Value	Significance
Eagle Pass 3N	United States	Record daily precipitation	45.7 mm (1.8 in)	66 of 100 (Major)
Falls City 7 WSW	United States	Record daily precipitation	86.4 mm (3.4 in)	64 of 100 (Major)
Wertsville 4 NE	United States	Record snow depth	17.8 cm (7.0 in)	62 of 100 (Major)
Galveston Scholes Fld	United States	Record daily precipitation	94.7 mm (3.7 in)	61 of 100 (Major)
Dengqen	China	Record daily precipitation	30.0 mm (1.2 in)	60 of 100 (Major)
Perpignan	France	Record daily precipitation	105.2 mm (4.1 in)	59 of 100 (Notable)
La Pryor	United States	Record daily precipitation	46.5 mm (1.8 in)	59 of 100 (Notable)
Wertsville 4 NE	United States	Record daily snowfall	17.3 cm (6.8 in)	58 of 100 (Notable)
Floresville	United States	Record daily precipitation	61.0 mm (2.4 in)	56 of 100 (Notable)
Port Arthur SE Tx Rgnl AP	United States	Record daily precipitation	155.2 mm (6.1 in)	55 of 100 (Notable)
Nixon	United States	Record daily precipitation	91.7 mm (3.6 in)	54 of 100 (Notable)
Stockdale 6N	United States	Record daily precipitation	69.1 mm (2.7 in)	54 of 100 (Notable)
Albacete Los Llanos	Spain	Record daily precipitation	29.0 mm (1.1 in)	53 of 100 (Notable)
Encinal	United States	Record daily precipitation	53.3 mm (2.1 in)	50 of 100 (Notable)
Mason	United States	Record daily precipitation	43.9 mm (1.7 in)	50 of 100 (Notable)
Middleboro	United States	Record snow depth	17.8 cm (7.0 in)	49 of 100 (Notable)
Blackwells Mills	United States	Record daily snowfall	12.7 cm (5.0 in)	48 of 100 (Notable)
Hondo	United States	Record daily precipitation	40.6 mm (1.6 in)	45 of 100 (Notable)
Hamburg	United States	Record low maximum temperature	-0.6 C (30.9 F)	43 of 100 (Notable)
Laredo 2	United States	Record daily precipitation	30.7 mm (1.2 in)	42 of 100 (Notable)
Mackay Lost Rvr Rs	United States	Record high minimum temperature	1.7 C (35.1 F)	41 of 100 (Notable)
Red Lodge	United States	Record high minimum temperature	6.7 C (44.1 F)	41 of 100 (Notable)
Hightstown 2 W	United States	Record daily snowfall	16.5 cm (6.5 in)	41 of 100 (Notable)
Cotulla la Salle Co AP	United States	Record daily precipitation	31.5 mm (1.2 in)	41 of 100 (Notable)
Ansonia 1 NW	United States	Record daily snowfall	12.7 cm (5.0 in)	40 of 100 (Notable)
Storrs	United States	Record low maximum temperature	-2.2 C (28.0 F)	40 of 100 (Notable)
Middleboro	United States	Record low maximum temperature	0.6 C (33.1 F)	40 of 100 (Notable)
Collins	United States	Record high maximum temperature	31.1 C (88.0 F)	40 of 100 (Notable)
Conrad	United States	Record high minimum temperature	3.3 C (37.9 F)	40 of 100 (Notable)
Bottineau	United States	Record daily snowfall	7.1 cm (2.8 in)	40 of 100 (Notable)
Selinsgrove 2 S	United States	Record low maximum temperature	-0.6 C (30.9 F)	40 of 100 (Notable)
Brackettville 22 N	United States	Record daily precipitation	42.2 mm (1.7 in)	40 of 100 (Notable)
Washington Sp	United States	Record daily precipitation	48.3 mm (1.9 in)	40 of 100 (Notable)
Olga 2 SE	United States	Record high minimum temperature	10.6 C (51.1 F)	40 of 100 (Notable)
Tamaqua 4 N Dam	United States	Record daily snowfall	12.2 cm (4.8 in)	39 of 100 (Notable)
Taylor Rch	United States	Record daily precipitation	48.5 mm (1.9 in)	38 of 100 (Notable)
Hammonton 1 NE	United States	Record daily snowfall	9.7 cm (3.8 in)	37 of 100 (Notable)
Anahuac	United States	Record high maximum temperature	31.7 C (89.1 F)	37 of 100 (Notable)
Sedro-Woolley	United States	Record high minimum temperature	10.0 C (50.0 F)	37 of 100 (Notable)
Wilbur	United States	Record high minimum temperature	6.7 C (44.1 F)	37 of 100 (Notable)
Pasadena	United States	Record high minimum temperature	13.9 C (57.0 F)	36 of 100 (Notable)
Valdosta 2 S	United States	Record high minimum temperature	18.3 C (64.9 F)	36 of 100 (Notable)
Norris Madison Pwr House	United States	Record high minimum temperature	5.6 C (42.1 F)	36 of 100 (Notable)
Lind 3 NE	United States	Record high minimum temperature	8.9 C (48.0 F)	36 of 100 (Notable)
Republic	United States	Record high minimum temperature	4.4 C (39.9 F)	36 of 100 (Notable)
Startup 1 E	United States	Record high minimum temperature	9.4 C (48.9 F)	36 of 100 (Notable)
Ansonia 1 NW	United States	Record snow depth	25.4 cm (10.0 in)	35 of 100 (Notable)
Blackwells Mills	United States	Record snow depth	12.7 cm (5.0 in)	35 of 100 (Notable)
El Indio 7ESE	United States	Record daily precipitation	33.5 mm (1.3 in)	35 of 100 (Notable)
Freer	United States	Record daily precipitation	29.0 mm (1.1 in)	35 of 100 (Notable)
Aberdeen Phillips Fld	United States	Record low maximum temperature	2.2 C (36.0 F)	35 of 100 (Notable)
Leo 6 SW	United States	Record high maximum temperature	20.0 C (68.0 F)	34 of 100 (Routine)
Machias	United States	Record snow depth	96.5 cm (38.0 in)	33 of 100 (Routine)
Norton W	United States	Record snow depth	38.1 cm (15.0 in)	33 of 100 (Routine)
Graterford 1 E	United States	Record daily snowfall	12.7 cm (5.0 in)	33 of 100 (Routine)
Benavides #2	United States	Record daily precipitation	30.5 mm (1.2 in)	33 of 100 (Routine)
Menard	United States	Record daily precipitation	38.1 mm (1.5 in)	33 of 100 (Routine)
Brunette Downs	Australia	Record high minimum temperature	28.3 C (82.9 F)	32 of 100 (Routine)
Archerfield Airport	Australia	Record high minimum temperature	24.0 C (75.2 F)	32 of 100 (Routine)
Ennis	United States	Record high maximum temperature	20.0 C (68.0 F)	32 of 100 (Routine)

Counts by Type and Timescale

568 records

Records set or tied on 21 March 2015 by type: Highest daily maximum 130, Lowest daily maximum 40, Highest daily minimum 202, Lowest daily minimum 28, Heaviest daily rainfall 104, Heaviest daily snowfall 42, Deepest snow cover 22.

Records on 21 March 2015 by type
Record type	Records
Highest daily maximum	130
Lowest daily maximum	40
Highest daily minimum	202
Lowest daily minimum	28
Heaviest daily rainfall	104
Heaviest daily snowfall	42
Deepest snow cover	22

Records on 21 March 2015 by timescale: all-time 0, monthly 8, daily 560.

How Much Records Were Beaten By

462 broken records

Margins by which the 462 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 204.0. Ties are not counted.

Top 20 by Significance

21 March 2015

Top 20 records on 21 March 2015 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 March 2015	Eagle Pass 3N, US	daily rain	45.7 mm (1.8 in)	37.3 mm (1.5 in)	57 years	66 of 100 (Major)
21 March 2015	Falls City 7 WSW, US	daily rain	86.4 mm (3.4 in)	64.6 mm (2.5 in)	57 years	64 of 100 (Major)
21 March 2015	Wertsville 4 NE, US	daily snow depth	17.8 cm (7.0 in)	17.8 cm (7.0 in)	57 years	62 of 100 (Major)
21 March 2015	Galveston Scholes Fld, US	daily rain	94.7 mm (3.7 in)	61.7 mm (2.4 in)	57 years	61 of 100 (Major)
21 March 2015	Dengqen, CN	monthly rain	30.0 mm (1.2 in)	11.2 mm (0.4 in)	15 years	60 of 100 (Major)
21 March 2015	Perpignan, FR	daily rain	105.2 mm (4.1 in)	86.6 mm (3.4 in)	30 years	59 of 100 (Notable)
21 March 2015	La Pryor, US	daily rain	46.5 mm (1.8 in)	31.3 mm (1.2 in)	65 years	59 of 100 (Notable)
21 March 2015	Wertsville 4 NE, US	daily snowfall	17.3 cm (6.8 in)	17.3 cm (6.8 in)	57 years	58 of 100 (Notable)
21 March 2015	Floresville, US	daily rain	61.0 mm (2.4 in)	30.3 mm (1.2 in)	85 years	56 of 100 (Notable)
21 March 2015	Port Arthur SE Tx Rgnl AP, US	monthly rain	155.2 mm (6.1 in)	47.8 mm (1.9 in)	36 years	55 of 100 (Notable)
21 March 2015	Nixon, US	daily rain	91.7 mm (3.6 in)	26.4 mm (1.0 in)	85 years	54 of 100 (Notable)
21 March 2015	Stockdale 6N, US	daily rain	69.1 mm (2.7 in)	61.5 mm (2.4 in)	25 years	54 of 100 (Notable)
21 March 2015	Albacete Los Llanos, ES	daily rain	29.0 mm (1.1 in)	14.1 mm (0.6 in)	72 years	53 of 100 (Notable)
21 March 2015	Encinal, US	daily rain	53.3 mm (2.1 in)	22.8 mm (0.9 in)	85 years	50 of 100 (Notable)
21 March 2015	Mason, US	daily rain	43.9 mm (1.7 in)	29.9 mm (1.2 in)	44 years	50 of 100 (Notable)
21 March 2015	Middleboro, US	daily snow depth	17.8 cm (7.0 in)	7.6 cm (3.0 in)	108 years	49 of 100 (Notable)
21 March 2015	Blackwells Mills, US	daily snowfall	12.7 cm (5.0 in)	12.7 cm (5.0 in)	57 years	48 of 100 (Notable)
21 March 2015	Hondo, US	daily rain	40.6 mm (1.6 in)	22.6 mm (0.9 in)	60 years	45 of 100 (Notable)
21 March 2015	Hamburg, US	daily low max	-0.6 C (30.9 F)	2.3 C (4.1 F)	100 years	43 of 100 (Notable)
21 March 2015	Laredo 2, US	daily rain	30.7 mm (1.2 in)	25.1 mm (1.0 in)	36 years	42 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 2015

Records set or tied on this calendar date in each year from 1797 to 2015. 2015 had 568 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 2015-03-21: 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 2026-10-13 (13 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 50	424
50 to 100	26
100 to 150	5
150 to 200	6
200 to 250	1