Weather Records on 18 March 1940

444 weather records were set or tied worldwide on 18 March 1940. Highest significance: Leipzig-Schkeuditz, DE.

Key Facts for 18 March 1940

On 18 March 1940, 444 weather records were set or tied at long-record stations worldwide.
52 were record highs and 27 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 18 monthly and 425 daily.
Leipzig-Schkeuditz set a monthly record daily precipitation of 42.3 mm (1.7 in) on 18 March 1940.
Across 160 earlier years (1806 to 2026) the same calendar date averaged 477 records.

Record Map

444 stations

444 station records on 18 March 1940 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 March 1940: highest significance records shown on the map
Station	Country	Type	Value	Significance
Leipzig-Schkeuditz	Germany	Record daily precipitation	42.3 mm (1.7 in)	64 of 100 (Major)
St George Post Office	Australia	Record daily precipitation	93.5 mm (3.7 in)	58 of 100 (Notable)
Mungindi (Cambo Cambo)	Australia	Record daily precipitation	79.0 mm (3.1 in)	57 of 100 (Notable)
Mungindi (Burrenbah)	Australia	Record daily precipitation	82.0 mm (3.2 in)	56 of 100 (Notable)
Gurley (Glenroy)	Australia	Record daily precipitation	83.6 mm (3.3 in)	56 of 100 (Notable)
Mogil Mogil (Benimora)	Australia	Record daily precipitation	62.2 mm (2.4 in)	55 of 100 (Notable)
Aschersleben	Germany	Record daily precipitation	25.2 mm (1.0 in)	55 of 100 (Notable)
Adelaide (Pol)	South Africa	Record daily precipitation	53.3 mm (2.1 in)	55 of 100 (Notable)
Rowena (Waroonga)	Australia	Record daily precipitation	76.2 mm (3.0 in)	53 of 100 (Notable)
Tenterden	Australia	Record daily precipitation	69.3 mm (2.7 in)	53 of 100 (Notable)
Morven Post Office	Australia	Record daily precipitation	70.1 mm (2.8 in)	51 of 100 (Notable)
Redford	Australia	Record daily precipitation	123.2 mm (4.9 in)	50 of 100 (Notable)
Hohenpeissenberg	Germany	Record daily precipitation	33.0 mm (1.3 in)	50 of 100 (Notable)
Cullendale	South Africa	Record daily precipitation	57.7 mm (2.3 in)	50 of 100 (Notable)
Warrinilla	Australia	Record daily precipitation	99.1 mm (3.9 in)	49 of 100 (Notable)
Camboon Station	Australia	Record daily precipitation	83.3 mm (3.3 in)	49 of 100 (Notable)
Bollon Mary St	Australia	Record daily precipitation	47.0 mm (1.9 in)	49 of 100 (Notable)
Yamburgan	Australia	Record daily precipitation	132.8 mm (5.2 in)	49 of 100 (Notable)
Degilbo Rail STN	Australia	Record daily precipitation	78.7 mm (3.1 in)	47 of 100 (Notable)
Juandah	Australia	Record daily precipitation	73.2 mm (2.9 in)	46 of 100 (Notable)
Dulacca Truck Stop	Australia	Record daily precipitation	67.3 mm (2.6 in)	46 of 100 (Notable)
Collarenebri (Goondoobluie)	Australia	Record daily precipitation	63.5 mm (2.5 in)	46 of 100 (Notable)
Mungindi Post Office	Australia	Record daily precipitation	115.3 mm (4.5 in)	46 of 100 (Notable)
Mullaley (Bando)	Australia	Record daily precipitation	56.4 mm (2.2 in)	46 of 100 (Notable)
Krambach Post Office	Australia	Record daily precipitation	123.2 mm (4.9 in)	46 of 100 (Notable)
Albertvale	South Africa	Record daily precipitation	49.3 mm (1.9 in)	46 of 100 (Notable)
Mt Perry the Pines	Australia	Record daily precipitation	124.5 mm (4.9 in)	45 of 100 (Notable)
Mitchell Post Office	Australia	Record daily precipitation	71.9 mm (2.8 in)	45 of 100 (Notable)
Moree (Bullerana)	Australia	Record daily precipitation	101.3 mm (4.0 in)	45 of 100 (Notable)
Gordonville	South Africa	Record daily precipitation	68.1 mm (2.7 in)	45 of 100 (Notable)
Kealakekua 2 28.7	United States	Record daily precipitation	106.2 mm (4.2 in)	45 of 100 (Notable)
Rolleston	Australia	Record daily precipitation	51.3 mm (2.0 in)	44 of 100 (Notable)
Garah Post Office	Australia	Record daily precipitation	89.2 mm (3.5 in)	44 of 100 (Notable)
Pearston (Pol)	South Africa	Record daily precipitation	48.3 mm (1.9 in)	44 of 100 (Notable)
Strydenberg (Pol)	South Africa	Record daily precipitation	67.8 mm (2.7 in)	44 of 100 (Notable)
Muckadilla Post Office	Australia	Record daily precipitation	80.3 mm (3.2 in)	42 of 100 (Notable)
Dirranbandi High School	Australia	Record daily precipitation	100.3 mm (3.9 in)	41 of 100 (Notable)
Halle	Germany	Record daily precipitation	25.0 mm (1.0 in)	41 of 100 (Notable)
Ashley (Midkin)	Australia	Record daily precipitation	81.5 mm (3.2 in)	40 of 100 (Notable)
Alexandria (Pol)	South Africa	Record daily precipitation	39.9 mm (1.6 in)	40 of 100 (Notable)
Cookhouse (Sar)	South Africa	Record daily precipitation	53.8 mm (2.1 in)	40 of 100 (Notable)
Miles Post Office	Australia	Record daily precipitation	48.3 mm (1.9 in)	39 of 100 (Notable)
Aberfoyle	Australia	Record daily precipitation	53.3 mm (2.1 in)	39 of 100 (Notable)
Hogsback (Bos)	South Africa	Record daily precipitation	68.6 mm (2.7 in)	39 of 100 (Notable)
Waverley	South Africa	Record daily precipitation	45.7 mm (1.8 in)	39 of 100 (Notable)
St Lawrence Post Office	Australia	Record daily precipitation	123.2 mm (4.9 in)	38 of 100 (Notable)
Hebel Store	Australia	Record daily precipitation	30.0 mm (1.2 in)	38 of 100 (Notable)
Angledool (Angledool Station)	Australia	Record daily precipitation	39.4 mm (1.6 in)	38 of 100 (Notable)
Mercadool	Australia	Record daily precipitation	71.1 mm (2.8 in)	38 of 100 (Notable)
De Aar	South Africa	Record daily precipitation	46.0 mm (1.8 in)	38 of 100 (Notable)
Huehue 92.1	United States	Record daily precipitation	140.2 mm (5.5 in)	38 of 100 (Notable)
Dobikin	Australia	Record daily precipitation	48.5 mm (1.9 in)	37 of 100 (Notable)
Salzburg	Austria	Record daily precipitation	26.2 mm (1.0 in)	37 of 100 (Notable)
Cherrapunji/P.S.	India	Record daily precipitation	110.7 mm (4.4 in)	37 of 100 (Notable)
Fort Beaufort	South Africa	Record daily precipitation	49.5 mm (1.9 in)	37 of 100 (Notable)
Edgeroi	Australia	Record daily precipitation	42.7 mm (1.7 in)	36 of 100 (Notable)
Rocklands	South Africa	Record daily precipitation	44.7 mm (1.8 in)	36 of 100 (Notable)
Blackwater Post Office	Australia	Record daily precipitation	68.6 mm (2.7 in)	35 of 100 (Notable)
Amby	Australia	Record daily precipitation	71.1 mm (2.8 in)	35 of 100 (Notable)
Mount Margaret	Australia	Record daily precipitation	27.9 mm (1.1 in)	35 of 100 (Notable)

Counts by Type and Timescale

444 records

Records set or tied on 18 March 1940 by type: Highest daily maximum 17, Lowest daily maximum 10, Highest daily minimum 35, Lowest daily minimum 17, Heaviest daily rainfall 343, Heaviest daily snowfall 15, Deepest snow cover 7.

Records on 18 March 1940 by type
Record type	Records
Highest daily maximum	17
Lowest daily maximum	10
Highest daily minimum	35
Lowest daily minimum	17
Heaviest daily rainfall	343
Heaviest daily snowfall	15
Deepest snow cover	7

Records on 18 March 1940 by timescale: all-time 1, monthly 18, daily 425.

How Much Records Were Beaten By

409 broken records

Margins by which the 409 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 127.0. Ties are not counted.

Top 20 by Significance

18 March 1940

Top 20 records on 18 March 1940 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 March 1940	Leipzig-Schkeuditz, DE	monthly rain	42.3 mm (1.7 in)	20.8 mm (0.8 in)	33 years	64 of 100 (Major)
18 March 1940	St George Post Office, AU	daily rain	93.5 mm (3.7 in)	92.2 mm (3.6 in)	40 years	58 of 100 (Notable)
18 March 1940	Mungindi (Cambo Cambo), AU	daily rain	79.0 mm (3.1 in)	79.0 mm (3.1 in)	43 years	57 of 100 (Notable)
18 March 1940	Mungindi (Burrenbah), AU	daily rain	82.0 mm (3.2 in)	82.0 mm (3.2 in)	42 years	56 of 100 (Notable)
18 March 1940	Gurley (Glenroy), AU	daily rain	83.6 mm (3.3 in)	80.6 mm (3.2 in)	45 years	56 of 100 (Notable)
18 March 1940	Mogil Mogil (Benimora), AU	daily rain	62.2 mm (2.4 in)	57.1 mm (2.2 in)	46 years	55 of 100 (Notable)
18 March 1940	Aschersleben, DE	daily rain	25.2 mm (1.0 in)	19.4 mm (0.8 in)	39 years	55 of 100 (Notable)
18 March 1940	Adelaide (Pol), ZA	daily rain	53.3 mm (2.1 in)	37.0 mm (1.5 in)	46 years	55 of 100 (Notable)
18 March 1940	Rowena (Waroonga), AU	daily rain	76.2 mm (3.0 in)	66.0 mm (2.6 in)	40 years	53 of 100 (Notable)
18 March 1940	Tenterden, AU	daily rain	69.3 mm (2.7 in)	50.0 mm (2.0 in)	27 years	53 of 100 (Notable)
18 March 1940	Morven Post Office, AU	daily rain	70.1 mm (2.8 in)	59.9 mm (2.4 in)	46 years	51 of 100 (Notable)
18 March 1940	Redford, AU	monthly rain	123.2 mm (4.9 in)	37.3 mm (1.5 in)	34 years	50 of 100 (Notable)
18 March 1940	Hohenpeissenberg, DE	daily rain	33.0 mm (1.3 in)	14.7 mm (0.6 in)	27 years	50 of 100 (Notable)
18 March 1940	Cullendale, ZA	daily rain	57.7 mm (2.3 in)	41.7 mm (1.6 in)	18 years	50 of 100 (Notable)
18 March 1940	Warrinilla, AU	daily rain	99.1 mm (3.9 in)	83.6 mm (3.3 in)	15 years	49 of 100 (Notable)
18 March 1940	Camboon Station, AU	daily rain	83.3 mm (3.3 in)	68.1 mm (2.7 in)	11 years	49 of 100 (Notable)
18 March 1940	Bollon Mary St, AU	daily rain	47.0 mm (1.9 in)	39.9 mm (1.6 in)	52 years	49 of 100 (Notable)
18 March 1940	Yamburgan, AU	monthly rain	132.8 mm (5.2 in)	50.5 mm (2.0 in)	3 years	49 of 100 (Notable)
18 March 1940	Degilbo Rail STN, AU	daily rain	78.7 mm (3.1 in)	77.4 mm (3.0 in)	26 years	47 of 100 (Notable)
18 March 1940	Juandah, AU	daily rain	73.2 mm (2.9 in)	52.1 mm (2.1 in)	15 years	46 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

1806 to 1940

Records set or tied on this calendar date in each year from 1806 to 1940. 1940 had 444 records.

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

Records on 03-18 in each year
Year	Records
1806	1
1807	1
1808	1
1810	1
1814	1
1831	1
1836	1
1839	1
1845	1
1849	1
1850	5
1853	2
1859	1
1863	1
1865	2
1867	1
1868	3
1876	1
1881	1
1882	3
1884	3
1885	1
1887	1
1888	4
1890	3
1891	3
1892	2
1893	1
1894	1
1895	2
1896	10
1897	14
1898	5
1899	8
1900	14
1901	2
1902	9
1903	22
1904	9
1905	19
1906	13
1907	11
1908	8
1909	9
1910	12
1911	17
1912	16
1913	24
1914	32
1915	30
1916	73
1917	45
1918	32
1919	25
1920	39
1921	66
1922	39
1923	262
1924	96
1925	145
1926	251
1927	376
1928	301
1929	106
1930	261
1931	167
1932	212
1933	244
1934	375
1935	87
1936	699
1937	296
1938	304
1939	750
1940	444
1941	954
1942	382
1943	603
1944	321
1945	751
1946	492
1947	328
1948	296
1949	292
1950	1,042
1951	582
1952	474
1953	218
1954	355
1955	469
1956	363
1957	374
1958	347
1959	392
1960	585
1961	579
1962	284
1963	665
1964	348
1965	1,584
1966	540
1967	1,396
1968	915
1969	601
1970	533
1971	405
1972	1,028
1973	716
1974	694
1975	614
1976	538
1977	684
1978	1,003
1979	894
1980	588
1981	570
1982	1,284
1983	1,225
1984	446
1985	731
1986	626
1987	933
1988	1,001
1989	1,147
1990	1,478
1991	706
1992	789
1993	1,683
1994	960
1995	833
1996	518
1997	1,024
1998	1,144
1999	1,051
2000	524
2001	841
2002	1,562
2003	1,425
2004	1,232
2005	1,178
2006	551
2007	1,330
2008	1,066
2009	776
2010	678
2011	993
2012	3,348
2013	783
2014	701
2015	943
2016	675
2017	1,183
2018	921
2019	666
2020	672
2021	562
2022	476
2023	890
2024	843
2025	728
2026	2,870

Download the Data

Data for records on 1940-03-18: 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 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Margin	Records
0 to 20	285
20 to 40	72
40 to 60	28
60 to 80	11
80 to 100	9
100 to 120	2
120 to 140	2