Weather Records on 21 March 1997

1,670 weather records were set or tied worldwide on 21 March 1997. Highest significance: Ocampo, MX.

Key Facts for 21 March 1997

On 21 March 1997, 1,670 weather records were set or tied at long-record stations worldwide.
1,029 were record highs and 199 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 84 monthly and 1,585 daily.
Ocampo set a daily record precipitation of 27.9 mm (1.1 in) on 21 March 1997.
Across 157 earlier years (1797 to 2026) the same calendar date averaged 475 records.

Record Map

1,670 stations

1,670 station records on 21 March 1997 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 March 1997: highest significance records shown on the map
Station	Country	Type	Value	Significance
Ocampo	Mexico	Record daily precipitation	27.9 mm (1.1 in)	68 of 100 (Major)
Mascota (Smn)	Mexico	Record daily precipitation	50.8 mm (2.0 in)	68 of 100 (Major)
Fergus Falls	United States	Record snow depth	144.8 cm (57.0 in)	63 of 100 (Major)
Mascota (Dge)	Mexico	Record daily precipitation	50.8 mm (2.0 in)	59 of 100 (Notable)
Kalispell Glacier AP	United States	Record snow depth	94.0 cm (37.0 in)	57 of 100 (Notable)
Jalostotitlan	Mexico	Record low maximum temperature	15.0 C (59.0 F)	53 of 100 (Notable)
Ahuacatlan	Mexico	Record daily precipitation	25.9 mm (1.0 in)	53 of 100 (Notable)
Itaju Do Colonia	Brazil	Record daily precipitation	77.3 mm (3.0 in)	52 of 100 (Notable)
Union de Tula	Mexico	Record low maximum temperature	19.4 C (66.9 F)	49 of 100 (Notable)
Longmont 2 ESE	United States	Record high maximum temperature	29.4 C (84.9 F)	48 of 100 (Notable)
Encarnacion	Mexico	Record daily precipitation	45.0 mm (1.8 in)	47 of 100 (Notable)
Kentfield	United States	Record high minimum temperature	15.0 C (59.0 F)	47 of 100 (Notable)
Orland	United States	Record high minimum temperature	16.1 C (61.0 F)	47 of 100 (Notable)
Climax	United States	Record high minimum temperature	-2.8 C (27.0 F)	47 of 100 (Notable)
La Moure	United States	Record snow depth	94.0 cm (37.0 in)	47 of 100 (Notable)
Palo Verde	Mexico	Record low maximum temperature	16.1 C (61.0 F)	45 of 100 (Notable)
Davis 2 WSW Exp Farm	United States	Record high minimum temperature	13.9 C (57.0 F)	45 of 100 (Notable)
Nevada City	United States	Record high minimum temperature	9.4 C (48.9 F)	44 of 100 (Notable)
Taos	United States	Record high maximum temperature	24.4 C (75.9 F)	44 of 100 (Notable)
Alpena Wwtp	United States	Record snow depth	91.4 cm (36.0 in)	44 of 100 (Notable)
Presa Solis	Mexico	Record daily precipitation	28.7 mm (1.1 in)	43 of 100 (Notable)
El Puerto	Mexico	Record low maximum temperature	13.9 C (57.0 F)	43 of 100 (Notable)
Ft Collins	United States	Record high minimum temperature	8.9 C (48.0 F)	43 of 100 (Notable)
Presa Centenario	Mexico	Record daily precipitation	31.5 mm (1.2 in)	42 of 100 (Notable)
Manassa	United States	Record high maximum temperature	21.7 C (71.1 F)	42 of 100 (Notable)
Salida	United States	Record high maximum temperature	22.8 C (73.0 F)	42 of 100 (Notable)
Bridgeport	United States	Record high minimum temperature	8.9 C (48.0 F)	42 of 100 (Notable)
Medina	United States	Record snow depth	61.0 cm (24.0 in)	42 of 100 (Notable)
Sacramento 5 ESE	United States	Record high minimum temperature	15.0 C (59.0 F)	42 of 100 (Notable)
Union Juarez	Mexico	Record daily precipitation	64.8 mm (2.6 in)	41 of 100 (Notable)
Quito	Mexico	Record low maximum temperature	20.0 C (68.0 F)	41 of 100 (Notable)
Woodland 1 WNW	United States	Record high minimum temperature	15.6 C (60.1 F)	41 of 100 (Notable)
Cheesman	United States	Record high maximum temperature	23.9 C (75.0 F)	41 of 100 (Notable)
Windsor	United States	Record high maximum temperature	28.3 C (82.9 F)	41 of 100 (Notable)
Hay Springs	United States	Record high minimum temperature	4.4 C (39.9 F)	41 of 100 (Notable)
Sierra Blanca 2 E	United States	Record high maximum temperature	27.2 C (81.0 F)	41 of 100 (Notable)
Zamora	Mexico	Record low maximum temperature	21.0 C (69.8 F)	40 of 100 (Notable)
Atoyac	Mexico	Record low maximum temperature	22.8 C (73.0 F)	40 of 100 (Notable)
Zamora (Dge)	Mexico	Record low maximum temperature	20.6 C (69.1 F)	40 of 100 (Notable)
Casa Grande	United States	Record high maximum temperature	36.1 C (97.0 F)	40 of 100 (Notable)
Rupert 3 WSW	United States	Record high minimum temperature	5.0 C (41.0 F)	40 of 100 (Notable)
Ft Madison	United States	Record high maximum temperature	24.4 C (75.9 F)	40 of 100 (Notable)
Deming	United States	Record high maximum temperature	30.6 C (87.1 F)	40 of 100 (Notable)
Elk	United States	Record high maximum temperature	26.1 C (79.0 F)	40 of 100 (Notable)
Aneth Plt	United States	Record high maximum temperature	25.6 C (78.1 F)	40 of 100 (Notable)
Totatiche	Mexico	Record low maximum temperature	12.8 C (55.0 F)	39 of 100 (Notable)
Leroy 5 WSW	United States	Record high maximum temperature	27.8 C (82.0 F)	39 of 100 (Notable)
Kimball 2NE	United States	Record high minimum temperature	6.7 C (44.1 F)	39 of 100 (Notable)
Gage	United States	Record high maximum temperature	31.1 C (88.0 F)	39 of 100 (Notable)
El Guarda	Mexico	Record daily precipitation	43.9 mm (1.7 in)	38 of 100 (Notable)
Bolaos	Mexico	Record low maximum temperature	21.1 C (70.0 F)	38 of 100 (Notable)
Mazamitla	Mexico	Record low maximum temperature	10.6 C (51.1 F)	38 of 100 (Notable)
Dorado 2 WNW	Puerto Rico [United States]	Record low maximum temperature	22.2 C (72.0 F)	38 of 100 (Notable)
Casa Grande Nm	United States	Record high maximum temperature	37.2 C (99.0 F)	38 of 100 (Notable)
Duncan	United States	Record high maximum temperature	30.0 C (86.0 F)	38 of 100 (Notable)
Blanca 4 NW	United States	Record high maximum temperature	21.1 C (70.0 F)	38 of 100 (Notable)
Montrose #2	United States	Record high maximum temperature	23.3 C (73.9 F)	38 of 100 (Notable)
Willow Sprg Radio Kuku	United States	Record high maximum temperature	28.9 C (84.0 F)	38 of 100 (Notable)
Goodwell Rsch STN	United States	Record high minimum temperature	12.2 C (54.0 F)	38 of 100 (Notable)
Guthrie 5S	United States	Record high maximum temperature	33.9 C (93.0 F)	38 of 100 (Notable)

Counts by Type and Timescale

1,670 records

Records set or tied on 21 March 1997 by type: Highest daily maximum 707, Lowest daily maximum 163, Highest daily minimum 322, Lowest daily minimum 36, Heaviest daily rainfall 367, Heaviest daily snowfall 3, Deepest snow cover 72.

Records on 21 March 1997 by type
Record type	Records
Highest daily maximum	707
Lowest daily maximum	163
Highest daily minimum	322
Lowest daily minimum	36
Heaviest daily rainfall	367
Heaviest daily snowfall	3
Deepest snow cover	72

Records on 21 March 1997 by timescale: all-time 1, monthly 84, daily 1,585.

How Much Records Were Beaten By

1,356 broken records

Margins by which the 1,356 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 838.0. Ties are not counted.

Top 20 by Significance

21 March 1997

Top 20 records on 21 March 1997 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 March 1997	Ocampo, MX	daily rain	27.9 mm (1.1 in)	26.6 mm (1.0 in)	72 years	68 of 100 (Major)
21 March 1997	Mascota (Smn), MX	daily rain	50.8 mm (2.0 in)	50.8 mm (2.0 in)	70 years	68 of 100 (Major)
21 March 1997	Fergus Falls, US	daily snow depth	144.8 cm (57.0 in)	83.8 cm (33.0 in)	46 years	63 of 100 (Major)
21 March 1997	Mascota (Dge), MX	daily rain	50.8 mm (2.0 in)	50.8 mm (2.0 in)	47 years	59 of 100 (Notable)
21 March 1997	Kalispell Glacier AP, US	daily snow depth	94.0 cm (37.0 in)	63.5 cm (25.0 in)	28 years	57 of 100 (Notable)
21 March 1997	Jalostotitlan, MX	daily low max	15.0 C (59.0 F)	10.0 C (18.0 F)	54 years	53 of 100 (Notable)
21 March 1997	Ahuacatlan, MX	daily rain	25.9 mm (1.0 in)	25.9 mm (1.0 in)	72 years	53 of 100 (Notable)
21 March 1997	Itaju Do Colonia, BR	daily rain	77.3 mm (3.0 in)	61.3 mm (2.4 in)	30 years	52 of 100 (Notable)
21 March 1997	Union de Tula, MX	daily low max	19.4 C (66.9 F)	6.2 C (11.2 F)	66 years	49 of 100 (Notable)
21 March 1997	Longmont 2 ESE, US	monthly high max	29.4 C (84.9 F)	1.6 C (2.9 F)	87 years	48 of 100 (Notable)
21 March 1997	Encarnacion, MX	daily rain	45.0 mm (1.8 in)	40.2 mm (1.6 in)	15 years	47 of 100 (Notable)
21 March 1997	Kentfield, US	monthly high min	15.0 C (59.0 F)	0.6 C (1.1 F)	92 years	47 of 100 (Notable)
21 March 1997	Orland, US	monthly high min	16.1 C (61.0 F)	0.5 C (0.9 F)	92 years	47 of 100 (Notable)
21 March 1997	Climax, US	daily high min	-2.8 C (27.0 F)	3.9 C (7.0 F)	100 years	47 of 100 (Notable)
21 March 1997	La Moure, US	daily snow depth	94.0 cm (37.0 in)	63.5 cm (25.0 in)	8 years	47 of 100 (Notable)
21 March 1997	Palo Verde, MX	daily low max	16.1 C (61.0 F)	8.3 C (14.9 F)	28 years	45 of 100 (Notable)
21 March 1997	Davis 2 WSW Exp Farm, US	daily high min	13.9 C (57.0 F)	1.7 C (3.1 F)	100 years	45 of 100 (Notable)
21 March 1997	Nevada City, US	daily high min	9.4 C (48.9 F)	1.6 C (2.9 F)	100 years	44 of 100 (Notable)
21 March 1997	Taos, US	daily high max	24.4 C (75.9 F)	2.2 C (4.0 F)	100 years	44 of 100 (Notable)
21 March 1997	Alpena Wwtp, US	daily snow depth	91.4 cm (36.0 in)	48.2 cm (19.0 in)	19 years	44 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 1997

Records set or tied on this calendar date in each year from 1797 to 1997. 1997 had 1,670 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 1997-03-21: 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 200	1,337
200 to 400	13
400 to 600	3
600 to 800	2
800 to 1000	1