Weather Records on 9 March 2021

746 weather records were set or tied worldwide on 9 March 2021. Highest significance: Mersa Matruh, EG.

Key Facts for 9 March 2021

On 9 March 2021, 746 weather records were set or tied at long-record stations worldwide.
454 were record highs and 140 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 9 monthly and 737 daily.
Mersa Matruh set a daily record precipitation of 71.9 mm (2.8 in) on 9 March 2021.
Across 169 earlier years (1798 to 2026) the same calendar date averaged 483 records.

Record Map

746 stations

746 station records on 9 March 2021 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 9 March 2021: highest significance records shown on the map
Station	Country	Type	Value	Significance
Mersa Matruh	Egypt	Record daily precipitation	71.9 mm (2.8 in)	76 of 100 (Major)
Roma Ciampino	Italy	Record daily precipitation	49.0 mm (1.9 in)	63 of 100 (Major)
Maraza	Azerbaijan	Record daily precipitation	99.6 mm (3.9 in)	62 of 100 (Major)
Miller	United States	Record daily snowfall	20.3 cm (8.0 in)	58 of 100 (Notable)
Lichinga	Mozambique	Record low minimum temperature	11.0 C (51.8 F)	54 of 100 (Notable)
Glen Innes (Reddestone (Redban	Australia	Record daily precipitation	64.8 mm (2.6 in)	53 of 100 (Notable)
Kaneohe Bay MCAS	United States	Record daily precipitation	172.0 mm (6.8 in)	51 of 100 (Notable)
Glenormiston	Australia	Record daily precipitation	99.6 mm (3.9 in)	50 of 100 (Notable)
Deepwater Post Office	Australia	Record daily precipitation	66.0 mm (2.6 in)	50 of 100 (Notable)
Luweech	Federated States of Micronesia	Record daily precipitation	66.5 mm (2.6 in)	50 of 100 (Notable)
Delungra (Craigmore)	Australia	Record daily precipitation	64.0 mm (2.5 in)	49 of 100 (Notable)
Spencer 1 N	United States	Record high minimum temperature	7.2 C (45.0 F)	49 of 100 (Notable)
Campobasso	Italy	Record daily precipitation	63.0 mm (2.5 in)	48 of 100 (Notable)
Vologda	Russia	Record low maximum temperature	-18.3 C (-0.9 F)	48 of 100 (Notable)
Huron Rgnl AP	United States	Record high minimum temperature	5.6 C (42.1 F)	47 of 100 (Notable)
Westcliffe	United States	Record high minimum temperature	6.1 C (43.0 F)	46 of 100 (Notable)
Crookston NW Exp STN	United States	Record high maximum temperature	14.4 C (57.9 F)	46 of 100 (Notable)
Howard	United States	Record high minimum temperature	6.1 C (43.0 F)	46 of 100 (Notable)
Park Rapids Muni AP	United States	Record high maximum temperature	16.1 C (61.0 F)	46 of 100 (Notable)
Artichoke Lake 1 E	United States	Record high maximum temperature	17.8 C (64.0 F)	45 of 100 (Notable)
Artichoke Lake 1 E	United States	Record high minimum temperature	5.6 C (42.1 F)	45 of 100 (Notable)
Hallock	United States	Record high minimum temperature	4.4 C (39.9 F)	45 of 100 (Notable)
Milan 1NW	United States	Record high minimum temperature	6.1 C (43.0 F)	45 of 100 (Notable)
Sisseton	United States	Record high maximum temperature	20.0 C (68.0 F)	45 of 100 (Notable)
Vermillion 2 SE	United States	Record high minimum temperature	6.7 C (44.1 F)	45 of 100 (Notable)
Moanalua 770	United States	Record daily precipitation	62.5 mm (2.5 in)	45 of 100 (Notable)
Watertown Rgnl AP	United States	Record high maximum temperature	19.4 C (66.9 F)	45 of 100 (Notable)
Kings Plains (Croye)	Australia	Record daily precipitation	61.0 mm (2.4 in)	44 of 100 (Notable)
Kem-Port	Russia	Record low minimum temperature	-27.9 C (-18.2 F)	44 of 100 (Notable)
Columbus 3 NE	United States	Record high minimum temperature	8.3 C (46.9 F)	44 of 100 (Notable)
Genoa 2 W	United States	Record high minimum temperature	6.7 C (44.1 F)	44 of 100 (Notable)
Highmore	United States	Record high minimum temperature	5.0 C (41.0 F)	44 of 100 (Notable)
Vernal	United States	Record high minimum temperature	4.4 C (39.9 F)	44 of 100 (Notable)
Aberdeen	United States	Record high minimum temperature	5.6 C (42.1 F)	44 of 100 (Notable)
Tulloona (Coolanga)	Australia	Record daily precipitation	52.0 mm (2.0 in)	43 of 100 (Notable)
Hallock	United States	Record high maximum temperature	14.4 C (57.9 F)	43 of 100 (Notable)
Milan 1NW	United States	Record high maximum temperature	19.4 C (66.9 F)	43 of 100 (Notable)
Tracy	United States	Record high minimum temperature	6.1 C (43.0 F)	43 of 100 (Notable)
De Smet	United States	Record high minimum temperature	5.0 C (41.0 F)	43 of 100 (Notable)
Sioux Falls	United States	Record high minimum temperature	8.3 C (46.9 F)	43 of 100 (Notable)
Watertown Rgnl AP	United States	Record high minimum temperature	3.9 C (39.0 F)	43 of 100 (Notable)
West Haldon	Australia	Record daily precipitation	43.0 mm (1.7 in)	42 of 100 (Notable)
Croppa Creek (Krui Plains)	Australia	Record daily precipitation	63.4 mm (2.5 in)	42 of 100 (Notable)
Mole River (Trenayr)	Australia	Record daily precipitation	46.2 mm (1.8 in)	42 of 100 (Notable)
Njandoma	Russia	Record low maximum temperature	-18.9 C (-2.0 F)	42 of 100 (Notable)
Tot-Ma	Russia	Record low maximum temperature	-16.6 C (2.1 F)	42 of 100 (Notable)
Spencer 1 N	United States	Record high maximum temperature	20.0 C (68.0 F)	42 of 100 (Notable)
Crete 4ESE	United States	Record high minimum temperature	8.9 C (48.0 F)	42 of 100 (Notable)
Hastings 4N	United States	Record high minimum temperature	7.8 C (46.0 F)	42 of 100 (Notable)
De Smet	United States	Record high maximum temperature	21.1 C (70.0 F)	42 of 100 (Notable)
Menno	United States	Record high maximum temperature	23.3 C (73.9 F)	42 of 100 (Notable)
Green Bay	United States	Record high maximum temperature	15.0 C (59.0 F)	42 of 100 (Notable)
Redwood Falls Muni AP	United States	Record high minimum temperature	6.1 C (43.0 F)	42 of 100 (Notable)
Sapphire (Argyle)	Australia	Record daily precipitation	50.2 mm (2.0 in)	41 of 100 (Notable)
Tingha (Crystal Hill)	Australia	Record daily precipitation	52.0 mm (2.0 in)	41 of 100 (Notable)
Bora-Bora/Motu-Mute	French Polynesia	Record daily precipitation	63.8 mm (2.5 in)	41 of 100 (Notable)
Arhangelsk	Russia	Record low minimum temperature	-35.0 C (-31.0 F)	41 of 100 (Notable)
Paradise	United States	Record high maximum temperature	24.4 C (75.9 F)	41 of 100 (Notable)
Ada	United States	Record high maximum temperature	13.3 C (55.9 F)	41 of 100 (Notable)
Grand Rapids Forestry Lab	United States	Record high maximum temperature	15.6 C (60.1 F)	41 of 100 (Notable)

Counts by Type and Timescale

746 records

Records set or tied on 9 March 2021 by type: Highest daily maximum 200, Lowest daily maximum 91, Highest daily minimum 254, Lowest daily minimum 49, Heaviest daily rainfall 141, Heaviest daily snowfall 11.

Records on 9 March 2021 by type
Record type	Records
Highest daily maximum	200
Lowest daily maximum	91
Highest daily minimum	254
Lowest daily minimum	49
Heaviest daily rainfall	141
Heaviest daily snowfall	11
Deepest snow cover	0

Records on 9 March 2021 by timescale: all-time 0, monthly 9, daily 737.

How Much Records Were Beaten By

642 broken records

Margins by which the 642 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 131.4. Ties are not counted.

Top 20 by Significance

9 March 2021

Top 20 records on 9 March 2021 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
9 March 2021	Mersa Matruh, EG	daily rain	71.9 mm (2.8 in)	62.9 mm (2.5 in)	88 years	76 of 100 (Major)
9 March 2021	Roma Ciampino, IT	daily rain	49.0 mm (1.9 in)	26.6 mm (1.0 in)	66 years	63 of 100 (Major)
9 March 2021	Maraza, AZ	daily rain	99.6 mm (3.9 in)	82.4 mm (3.2 in)	56 years	62 of 100 (Major)
9 March 2021	Miller, US	daily snowfall	20.3 cm (8.0 in)	10.1 cm (4.0 in)	103 years	58 of 100 (Notable)
9 March 2021	Lichinga, MZ	daily low min	11.0 C (51.8 F)	4.0 C (7.2 F)	35 years	54 of 100 (Notable)
9 March 2021	Glen Innes (Reddestone (Redban, AU	daily rain	64.8 mm (2.6 in)	35.3 mm (1.4 in)	56 years	53 of 100 (Notable)
9 March 2021	Kaneohe Bay MCAS, US	daily rain	172.0 mm (6.8 in)	131.4 mm (5.2 in)	10 years	51 of 100 (Notable)
9 March 2021	Glenormiston, AU	daily rain	99.6 mm (3.9 in)	80.4 mm (3.2 in)	3 years	50 of 100 (Notable)
9 March 2021	Deepwater Post Office, AU	daily rain	66.0 mm (2.6 in)	31.5 mm (1.2 in)	56 years	50 of 100 (Notable)
9 March 2021	Luweech, FM	daily rain	66.5 mm (2.6 in)	53.3 mm (2.1 in)	26 years	50 of 100 (Notable)
9 March 2021	Delungra (Craigmore), AU	daily rain	64.0 mm (2.5 in)	32.2 mm (1.3 in)	54 years	49 of 100 (Notable)
9 March 2021	Spencer 1 N, US	daily high min	7.2 C (45.0 F)	6.6 C (11.9 F)	98 years	49 of 100 (Notable)
9 March 2021	Campobasso, IT	daily rain	63.0 mm (2.5 in)	40.9 mm (1.6 in)	40 years	48 of 100 (Notable)
9 March 2021	Vologda, RU	daily low max	-18.3 C (-0.9 F)	8.6 C (15.5 F)	74 years	48 of 100 (Notable)
9 March 2021	Huron Rgnl AP, US	daily high min	5.6 C (42.1 F)	5.0 C (9.0 F)	116 years	47 of 100 (Notable)
9 March 2021	Westcliffe, US	daily high min	6.1 C (43.0 F)	3.9 C (7.0 F)	110 years	46 of 100 (Notable)
9 March 2021	Crookston NW Exp STN, US	daily high max	14.4 C (57.9 F)	4.4 C (7.9 F)	119 years	46 of 100 (Notable)
9 March 2021	Howard, US	daily high min	6.1 C (43.0 F)	4.4 C (7.9 F)	118 years	46 of 100 (Notable)
9 March 2021	Park Rapids Muni AP, US	daily high max	16.1 C (61.0 F)	4.4 C (7.9 F)	110 years	46 of 100 (Notable)
9 March 2021	Artichoke Lake 1 E, US	daily high max	17.8 C (64.0 F)	5.0 C (9.0 F)	94 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

1798 to 2021

Records set or tied on this calendar date in each year from 1798 to 2021. 2021 had 746 records.

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

Records on 03-09 in each year
Year	Records
1798	1
1807	1
1808	2
1811	3
1813	2
1814	1
1815	1
1824	1
1834	1
1839	1
1840	1
1845	3
1846	1
1847	1
1849	1
1850	2
1855	1
1858	1
1860	1
1862	2
1863	2
1864	3
1866	1
1867	1
1869	1
1871	2
1872	1
1878	1
1880	2
1881	2
1882	3
1883	1
1885	1
1886	3
1888	1
1890	9
1891	4
1892	6
1893	6
1895	1
1896	3
1897	5
1898	2
1899	2
1901	3
1902	9
1903	29
1904	8
1905	7
1906	11
1907	6
1908	36
1909	14
1910	21
1911	35
1912	25
1913	100
1914	66
1915	39
1916	53
1917	52
1918	32
1919	57
1920	23
1921	89
1922	31
1923	148
1924	104
1925	211
1926	133
1927	107
1928	187
1929	210
1930	114
1931	387
1932	1,604
1933	136
1934	266
1935	288
1936	350
1937	172
1938	209
1939	400
1940	263
1941	366
1942	453
1943	679
1944	685
1945	107
1946	249
1947	249
1948	857
1949	436
1950	382
1951	777
1952	266
1953	338
1954	689
1955	629
1956	452
1957	547
1958	534
1959	138
1960	1,155
1961	416
1962	552
1963	349
1964	1,148
1965	305
1966	478
1967	731
1968	771
1969	858
1970	403
1971	457
1972	957
1973	930
1974	1,694
1975	639
1976	635
1977	1,418
1978	952
1979	856
1980	444
1981	1,199
1982	879
1983	996
1984	1,365
1985	710
1986	965
1987	1,043
1988	743
1989	1,504
1990	1,140
1991	447
1992	1,377
1993	658
1994	1,897
1995	1,910
1996	3,236
1997	759
1998	1,710
1999	1,369
2000	2,384
2001	838
2002	1,514
2003	1,120
2004	1,162
2005	937
2006	1,129
2007	634
2008	1,201
2009	1,110
2010	1,409
2011	958
2012	909
2013	1,015
2014	982
2015	655
2016	1,285
2017	678
2018	435
2019	901
2020	759
2021	746
2022	1,209
2023	1,119
2024	536
2025	656
2026	1,050

Download the Data

Data for records on 2021-03-09: 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 2026-10-16. Last revised 16 October 2026 (2026-10-16).

Margin	Records
0 to 20	605
20 to 40	25
40 to 60	6
60 to 80	2
80 to 100	2
100 to 120	1
120 to 140	1