Weather Records on 21 March 1945

294 weather records were set or tied worldwide on 21 March 1945. Highest significance: Lankaran, AZ.

Key Facts for 21 March 1945

On 21 March 1945, 294 weather records were set or tied at long-record stations worldwide.
144 were record highs and 23 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 9 monthly and 285 daily.
Lankaran set a daily record precipitation of 60.2 mm (2.4 in) on 21 March 1945.
Across 157 earlier years (1797 to 2026) the same calendar date averaged 484 records.

Record Map

294 stations

294 station records on 21 March 1945 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 March 1945: highest significance records shown on the map
Station	Country	Type	Value	Significance
Lankaran	Azerbaijan	Record daily precipitation	60.2 mm (2.4 in)	43 of 100 (Notable)
Dibrugarh Obsy	India	Record daily precipitation	53.8 mm (2.1 in)	37 of 100 (Notable)
Cadiz	United States	Record daily precipitation	38.6 mm (1.5 in)	37 of 100 (Notable)
Vandergrift	United States	Record daily precipitation	67.6 mm (2.7 in)	37 of 100 (Notable)
Emerson	Canada	Record high maximum temperature	17.8 C (64.0 F)	35 of 100 (Notable)
Quincy Mem Brg	United States	Record daily precipitation	40.1 mm (1.6 in)	33 of 100 (Routine)
Old Mapoon	Australia	Record daily precipitation	81.0 mm (3.2 in)	31 of 100 (Routine)
Jamestown	United States	Record daily precipitation	39.9 mm (1.6 in)	31 of 100 (Routine)
Hannibal 1 N	United States	Record daily precipitation	38.6 mm (1.5 in)	30 of 100 (Routine)
Portal	United States	Record high maximum temperature	20.6 C (69.1 F)	29 of 100 (Routine)
Thomasville 7 NE	United States	Record daily precipitation	49.8 mm (2.0 in)	27 of 100 (Routine)
Portal	United States	Record high minimum temperature	2.2 C (36.0 F)	27 of 100 (Routine)
Salisbury	United States	Record high minimum temperature	17.8 C (64.0 F)	26 of 100 (Routine)
Cambridge St Hospital	United States	Record daily precipitation	25.7 mm (1.0 in)	26 of 100 (Routine)
Holter Dam	United States	Record high minimum temperature	10.0 C (50.0 F)	25 of 100 (Routine)
Ironton	United States	Record daily precipitation	31.0 mm (1.2 in)	25 of 100 (Routine)
Berlin	United States	Record high minimum temperature	1.7 C (35.1 F)	24 of 100 (Routine)
Birtle	Canada	Record high maximum temperature	18.3 C (64.9 F)	23 of 100 (Routine)
Chippewa Lake	United States	Record daily precipitation	25.7 mm (1.0 in)	23 of 100 (Routine)
Millport 4 NE	United States	Record daily precipitation	27.9 mm (1.1 in)	23 of 100 (Routine)
Dum Dooma /Sookerating Aab	India	Record daily precipitation	38.9 mm (1.5 in)	21 of 100 (Routine)
Bartow 1SE	United States	Record high maximum temperature	33.3 C (91.9 F)	21 of 100 (Routine)
Hemlock	United States	Record daily precipitation	32.0 mm (1.3 in)	21 of 100 (Routine)
Grafton	United States	Record high minimum temperature	8.3 C (46.9 F)	21 of 100 (Routine)
Cambridge	United States	Record daily precipitation	19.1 mm (0.8 in)	20 of 100 (Routine)
Letchworth Park	United States	Record daily precipitation	22.6 mm (0.9 in)	20 of 100 (Routine)
Colville	United States	Record daily precipitation	8.1 mm (0.32 in)	20 of 100 (Routine)
Council	United States	Record daily precipitation	16.3 mm (0.6 in)	20 of 100 (Routine)
The Forks	United States	Record daily precipitation	15.5 mm (0.6 in)	20 of 100 (Routine)
Laurier	United States	Record daily precipitation	6.9 mm (0.27 in)	20 of 100 (Routine)
Galesburg	United States	Record daily precipitation	22.1 mm (0.9 in)	20 of 100 (Routine)
Port Lincoln	Australia	Record high maximum temperature	36.7 C (98.1 F)	20 of 100 (Routine)
Zagreb-Gric	Croatia	Record high maximum temperature	19.9 C (67.8 F)	20 of 100 (Routine)
Coimbra	Portugal	Record high maximum temperature	28.1 C (82.6 F)	20 of 100 (Routine)
Grangeville	United States	Record daily precipitation	8.4 mm (0.33 in)	20 of 100 (Routine)
McCall	United States	Record daily precipitation	12.7 mm (0.5 in)	20 of 100 (Routine)
Espanola	United States	Record low minimum temperature	-8.9 C (16.0 F)	20 of 100 (Routine)
Huntington 1	United States	Record daily precipitation	32.0 mm (1.3 in)	20 of 100 (Routine)
Cape Leeuwin	Australia	Record daily precipitation	8.6 mm (0.34 in)	19 of 100 (Routine)
Doongin Peak	Australia	Record daily precipitation	1.0 mm (0.04 in)	19 of 100 (Routine)
Grass Valley	Australia	Record daily precipitation	0.8 mm (0.03 in)	19 of 100 (Routine)
Minnedosa	Canada	Record high maximum temperature	19.4 C (66.9 F)	19 of 100 (Routine)
St Albans	Canada	Record high maximum temperature	21.7 C (71.1 F)	19 of 100 (Routine)
Nogales	United States	Record low minimum temperature	-2.2 C (28.0 F)	19 of 100 (Routine)
Claremont Pomona Clg	United States	Record low maximum temperature	12.2 C (54.0 F)	19 of 100 (Routine)
Weiser	United States	Record daily precipitation	8.9 mm (0.35 in)	19 of 100 (Routine)
Groton	United States	Record daily precipitation	21.3 mm (0.8 in)	19 of 100 (Routine)
Whitefish Pt	United States	Record high maximum temperature	12.2 C (54.0 F)	19 of 100 (Routine)
Angelica	United States	Record daily precipitation	27.2 mm (1.1 in)	19 of 100 (Routine)
Bedford Hills	United States	Record high maximum temperature	27.8 C (82.0 F)	19 of 100 (Routine)
Jackson 3 NW	United States	Record daily precipitation	26.7 mm (1.1 in)	19 of 100 (Routine)
Yathroo	Australia	Record daily precipitation	1.0 mm (0.04 in)	18 of 100 (Routine)
Wien	Austria	Record high minimum temperature	7.5 C (45.5 F)	18 of 100 (Routine)
Brandon Cda	Canada	Record high maximum temperature	21.1 C (70.0 F)	18 of 100 (Routine)
Norway House	Canada	Record high maximum temperature	10.0 C (50.0 F)	18 of 100 (Routine)
Bikrampur	India	Record daily precipitation	73.7 mm (2.9 in)	18 of 100 (Routine)
Lisboa Geofisica	Portugal	Record high maximum temperature	23.9 C (75.0 F)	18 of 100 (Routine)
Middlesboro Fire Dept	United States	Record daily precipitation	22.9 mm (0.9 in)	18 of 100 (Routine)
Clear Spring 1 ENE	United States	Record high minimum temperature	11.1 C (52.0 F)	18 of 100 (Routine)
New Bedford Coop	United States	Record daily precipitation	20.8 mm (0.8 in)	18 of 100 (Routine)

Counts by Type and Timescale

294 records

Records set or tied on 21 March 1945 by type: Highest daily maximum 82, Lowest daily maximum 17, Highest daily minimum 62, Lowest daily minimum 6, Heaviest daily rainfall 127.

Records on 21 March 1945 by type
Record type	Records
Highest daily maximum	82
Lowest daily maximum	17
Highest daily minimum	62
Lowest daily minimum	6
Heaviest daily rainfall	127
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 21 March 1945 by timescale: all-time 0, monthly 9, daily 285.

How Much Records Were Beaten By

237 broken records

Margins by which the 237 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 39.1. Ties are not counted.

Top 20 by Significance

21 March 1945

Top 20 records on 21 March 1945 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 March 1945	Lankaran, AZ	daily rain	60.2 mm (2.4 in)	29.1 mm (1.1 in)	42 years	43 of 100 (Notable)
21 March 1945	Dibrugarh Obsy, IN	daily rain	53.8 mm (2.1 in)	21.3 mm (0.8 in)	38 years	37 of 100 (Notable)
21 March 1945	Cadiz, US	daily rain	38.6 mm (1.5 in)	18.3 mm (0.7 in)	40 years	37 of 100 (Notable)
21 March 1945	Vandergrift, US	monthly rain	67.6 mm (2.7 in)	17.8 mm (0.7 in)	0 years	37 of 100 (Notable)
21 March 1945	Emerson, CA	daily high max	17.8 C (64.0 F)	7.2 C (13.0 F)	66 years	35 of 100 (Notable)
21 March 1945	Quincy Mem Brg, US	daily rain	40.1 mm (1.6 in)	21.3 mm (0.8 in)	24 years	33 of 100 (Routine)
21 March 1945	Old Mapoon, AU	daily rain	81.0 mm (3.2 in)	39.1 mm (1.5 in)	30 years	31 of 100 (Routine)
21 March 1945	Jamestown, US	daily rain	39.9 mm (1.6 in)	17.0 mm (0.7 in)	8 years	31 of 100 (Routine)
21 March 1945	Hannibal 1 N, US	daily rain	38.6 mm (1.5 in)	17.0 mm (0.7 in)	32 years	30 of 100 (Routine)
21 March 1945	Portal, US	daily high max	20.6 C (69.1 F)	8.4 C (15.1 F)	49 years	29 of 100 (Routine)
21 March 1945	Thomasville 7 NE, US	daily rain	49.8 mm (2.0 in)	17.0 mm (0.7 in)	44 years	27 of 100 (Routine)
21 March 1945	Portal, US	monthly high min	2.2 C (36.0 F)	0.5 C (0.9 F)	40 years	27 of 100 (Routine)
21 March 1945	Salisbury, US	daily high min	17.8 C (64.0 F)	6.7 C (12.1 F)	32 years	26 of 100 (Routine)
21 March 1945	Cambridge St Hospital, US	daily rain	25.7 mm (1.0 in)	6.4 mm (0.25 in)	46 years	26 of 100 (Routine)
21 March 1945	Holter Dam, US	monthly high min	10.0 C (50.0 F)	1.1 C (2.0 F)	33 years	25 of 100 (Routine)
21 March 1945	Ironton, US	daily rain	31.0 mm (1.2 in)	9.7 mm (0.38 in)	40 years	25 of 100 (Routine)
21 March 1945	Berlin, US	daily high min	1.7 C (35.1 F)	1.1 C (2.0 F)	56 years	24 of 100 (Routine)
21 March 1945	Birtle, CA	monthly high max	18.3 C (64.9 F)	1.1 C (2.0 F)	26 years	23 of 100 (Routine)
21 March 1945	Chippewa Lake, US	daily rain	25.7 mm (1.0 in)	7.2 mm (0.28 in)	32 years	23 of 100 (Routine)
21 March 1945	Millport 4 NE, US	daily rain	27.9 mm (1.1 in)	7.1 mm (0.28 in)	32 years	23 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 1945

Records set or tied on this calendar date in each year from 1797 to 1945. 1945 had 294 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 1945-03-21: 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 5	190
5 to 10	30
10 to 15	4
15 to 20	8
20 to 25	3
25 to 30	1
30 to 35	0
35 to 40	1