Weather Records on 18 March 1948

296 weather records were set or tied worldwide on 18 March 1948. Highest significance: Strawberry Hill (Bos), ZA.

Key Facts for 18 March 1948

On 18 March 1948, 296 weather records were set or tied at long-record stations worldwide.
32 were record highs and 50 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 1 monthly and 295 daily.
Strawberry Hill (Bos) set a daily record precipitation of 69.9 mm (2.8 in) on 18 March 1948.
Across 160 earlier years (1806 to 2026) the same calendar date averaged 478 records.

Record Map

296 stations

296 station records on 18 March 1948 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 March 1948: highest significance records shown on the map
Station	Country	Type	Value	Significance
Strawberry Hill (Bos)	South Africa	Record daily precipitation	69.9 mm (2.8 in)	47 of 100 (Notable)
Ruthven	Australia	Record daily precipitation	39.4 mm (1.6 in)	41 of 100 (Notable)
Mayville	United States	Record snow depth	48.3 cm (19.0 in)	40 of 100 (Notable)
Hamilton	Canada	Record daily precipitation	33.0 mm (1.3 in)	39 of 100 (Notable)
Ladismith (Tnk)	South Africa	Record daily precipitation	33.0 mm (1.3 in)	39 of 100 (Notable)
Colachel Salt Fa	India	Record daily precipitation	52.6 mm (2.1 in)	38 of 100 (Notable)
Swellendam (Tnk)	South Africa	Record daily precipitation	57.4 mm (2.3 in)	37 of 100 (Notable)
Postmasburg	South Africa	Record daily precipitation	42.4 mm (1.7 in)	37 of 100 (Notable)
Great Brak River	South Africa	Record daily precipitation	49.8 mm (2.0 in)	36 of 100 (Notable)
Bredasdorp	South Africa	Record daily precipitation	31.7 mm (1.2 in)	35 of 100 (Notable)
Edenburg (Pol)	South Africa	Record daily precipitation	38.9 mm (1.5 in)	35 of 100 (Notable)
Bulsfontein	South Africa	Record daily precipitation	45.7 mm (1.8 in)	34 of 100 (Routine)
Taung	South Africa	Record daily precipitation	53.8 mm (2.1 in)	34 of 100 (Routine)
Kellogg	United States	Record daily snowfall	11.4 cm (4.5 in)	34 of 100 (Routine)
Harkerville (Bos)	South Africa	Record daily precipitation	27.7 mm (1.1 in)	33 of 100 (Routine)
Invergwali	South Africa	Record daily precipitation	40.4 mm (1.6 in)	33 of 100 (Routine)
Canning Downs	Australia	Record daily precipitation	36.3 mm (1.4 in)	32 of 100 (Routine)
Mazelspoort Dam	South Africa	Record daily precipitation	41.9 mm (1.6 in)	32 of 100 (Routine)
Mayville	United States	Record daily snowfall	11.7 cm (4.6 in)	32 of 100 (Routine)
Kuilput	South Africa	Record daily precipitation	38.1 mm (1.5 in)	31 of 100 (Routine)
Crawley	South Africa	Record daily precipitation	27.4 mm (1.1 in)	30 of 100 (Routine)
Grapevale	South Africa	Record daily precipitation	30.5 mm (1.2 in)	30 of 100 (Routine)
Hermitage	Australia	Record daily precipitation	28.4 mm (1.1 in)	29 of 100 (Routine)
Uxbridge	Australia	Record daily precipitation	25.4 mm (1.0 in)	29 of 100 (Routine)
Fogo	Canada	Record low maximum temperature	-7.2 C (19.0 F)	28 of 100 (Routine)
Jacobsdal (Pol)	South Africa	Record daily precipitation	33.8 mm (1.3 in)	28 of 100 (Routine)
Sao Jose Do Belmonte	Brazil	Record daily precipitation	40.2 mm (1.6 in)	27 of 100 (Routine)
Qacu (Bos)	South Africa	Record daily precipitation	42.2 mm (1.7 in)	27 of 100 (Routine)
Uitkyk	South Africa	Record daily precipitation	39.1 mm (1.5 in)	27 of 100 (Routine)
Sfax El-Maou	Tunisia	Record high maximum temperature	25.8 C (78.4 F)	27 of 100 (Routine)
Avery Rs	United States	Record daily snowfall	8.1 cm (3.2 in)	27 of 100 (Routine)
Reddersburg (Pol)	South Africa	Record daily precipitation	66.3 mm (2.6 in)	25 of 100 (Routine)
Seligman	United States	Record daily snowfall	7.6 cm (3.0 in)	25 of 100 (Routine)
Crested Butte	United States	Record daily snowfall	26.7 cm (10.5 in)	25 of 100 (Routine)
Meeker	United States	Record daily snowfall	25.4 cm (10.0 in)	25 of 100 (Routine)
Sequim	United States	Record low maximum temperature	5.0 C (41.0 F)	25 of 100 (Routine)
Nullagine	Australia	Record daily precipitation	25.9 mm (1.0 in)	24 of 100 (Routine)
Paripiranga	Brazil	Record daily precipitation	29.1 mm (1.1 in)	24 of 100 (Routine)
Wallace	United States	Record daily snowfall	17.8 cm (7.0 in)	24 of 100 (Routine)
Table.Mtn Woodhead Tunnel	South Africa	Record daily precipitation	42.7 mm (1.7 in)	23 of 100 (Routine)
Huxley	South Africa	Record daily precipitation	39.6 mm (1.6 in)	23 of 100 (Routine)
Modderrivier (Pol)	South Africa	Record daily precipitation	33.3 mm (1.3 in)	23 of 100 (Routine)
Highland Home	United States	Record daily precipitation	72.4 mm (2.9 in)	23 of 100 (Routine)
Noreena Downs	Australia	Record daily precipitation	30.5 mm (1.2 in)	22 of 100 (Routine)
Cidra 1 E	Puerto Rico [United States]	Record low maximum temperature	23.3 C (73.9 F)	22 of 100 (Routine)
Upper Lake 2 N	United States	Record low maximum temperature	9.4 C (48.9 F)	22 of 100 (Routine)
Ico	Brazil	Record daily precipitation	40.0 mm (1.6 in)	21 of 100 (Routine)
Likatlong	South Africa	Record daily precipitation	40.4 mm (1.6 in)	21 of 100 (Routine)
Franklin 3 NW	United States	Record high maximum temperature	32.2 C (90.0 F)	21 of 100 (Routine)
Royal Observatory	South Africa	Record daily precipitation	19.3 mm (0.8 in)	20 of 100 (Routine)
The Towers	South Africa	Record daily precipitation	15.2 mm (0.6 in)	20 of 100 (Routine)
Worcester	South Africa	Record daily precipitation	9.1 mm (0.36 in)	20 of 100 (Routine)
Kenogami	Canada	Record daily precipitation	16.5 mm (0.6 in)	20 of 100 (Routine)
Sihota	South Africa	Record daily precipitation	24.1 mm (0.9 in)	20 of 100 (Routine)
Vanrhysdorp	South Africa	Record daily precipitation	5.1 mm (0.20 in)	20 of 100 (Routine)
Espanola	United States	Record daily precipitation	5.6 mm (0.22 in)	20 of 100 (Routine)
Berlin-Dahlem (Lfag)	Germany	Record daily precipitation	17.1 mm (0.7 in)	20 of 100 (Routine)
Hayden	United States	Record daily precipitation	17.0 mm (0.7 in)	20 of 100 (Routine)
Mussoorie	India	Record daily precipitation	21.8 mm (0.9 in)	20 of 100 (Routine)
Potsdam	Germany	Record daily precipitation	12.1 mm (0.5 in)	20 of 100 (Routine)

Counts by Type and Timescale

296 records

Records set or tied on 18 March 1948 by type: Highest daily maximum 8, Lowest daily maximum 36, Highest daily minimum 24, Lowest daily minimum 14, Heaviest daily rainfall 178, Heaviest daily snowfall 29, Deepest snow cover 7.

Records on 18 March 1948 by type
Record type	Records
Highest daily maximum	8
Lowest daily maximum	36
Highest daily minimum	24
Lowest daily minimum	14
Heaviest daily rainfall	178
Heaviest daily snowfall	29
Deepest snow cover	7

Records on 18 March 1948 by timescale: all-time 0, monthly 1, daily 295.

How Much Records Were Beaten By

247 broken records

Margins by which the 247 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 800.0. Ties are not counted.

Top 20 by Significance

18 March 1948

Top 20 records on 18 March 1948 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 March 1948	Strawberry Hill (Bos), ZA	daily rain	69.9 mm (2.8 in)	46.8 mm (1.8 in)	30 years	47 of 100 (Notable)
18 March 1948	Ruthven, AU	daily rain	39.4 mm (1.6 in)	39.4 mm (1.6 in)	59 years	41 of 100 (Notable)
18 March 1948	Mayville, US	daily snow depth	48.3 cm (19.0 in)	25.4 cm (10.0 in)	41 years	40 of 100 (Notable)
18 March 1948	Hamilton, CA	daily rain	33.0 mm (1.3 in)	16.2 mm (0.6 in)	48 years	39 of 100 (Notable)
18 March 1948	Ladismith (Tnk), ZA	daily rain	33.0 mm (1.3 in)	20.3 mm (0.8 in)	34 years	39 of 100 (Notable)
18 March 1948	Colachel Salt Fa, IN	daily rain	52.6 mm (2.1 in)	42.4 mm (1.7 in)	12 years	38 of 100 (Notable)
18 March 1948	Swellendam (Tnk), ZA	daily rain	57.4 mm (2.3 in)	40.1 mm (1.6 in)	2 years	37 of 100 (Notable)
18 March 1948	Postmasburg, ZA	daily rain	42.4 mm (1.7 in)	31.5 mm (1.2 in)	25 years	37 of 100 (Notable)
18 March 1948	Great Brak River, ZA	daily rain	49.8 mm (2.0 in)	33.3 mm (1.3 in)	11 years	36 of 100 (Notable)
18 March 1948	Bredasdorp, ZA	daily rain	31.7 mm (1.2 in)	19.0 mm (0.7 in)	33 years	35 of 100 (Notable)
18 March 1948	Edenburg (Pol), ZA	daily rain	38.9 mm (1.5 in)	28.0 mm (1.1 in)	24 years	35 of 100 (Notable)
18 March 1948	Bulsfontein, ZA	daily rain	45.7 mm (1.8 in)	30.0 mm (1.2 in)	16 years	34 of 100 (Routine)
18 March 1948	Taung, ZA	daily rain	53.8 mm (2.1 in)	30.9 mm (1.2 in)	13 years	34 of 100 (Routine)
18 March 1948	Kellogg, US	daily snowfall	11.4 cm (4.5 in)	8.4 cm (3.3 in)	36 years	34 of 100 (Routine)
18 March 1948	Harkerville (Bos), ZA	daily rain	27.7 mm (1.1 in)	13.5 mm (0.5 in)	47 years	33 of 100 (Routine)
18 March 1948	Invergwali, ZA	daily rain	40.4 mm (1.6 in)	24.7 mm (1.0 in)	6 years	33 of 100 (Routine)
18 March 1948	Canning Downs, AU	daily rain	36.3 mm (1.4 in)	16.5 mm (0.6 in)	55 years	32 of 100 (Routine)
18 March 1948	Mazelspoort Dam, ZA	daily rain	41.9 mm (1.6 in)	17.5 mm (0.7 in)	40 years	32 of 100 (Routine)
18 March 1948	Mayville, US	daily snowfall	11.7 cm (4.6 in)	6.6 cm (2.6 in)	41 years	32 of 100 (Routine)
18 March 1948	Kuilput, ZA	daily rain	38.1 mm (1.5 in)	23.6 mm (0.9 in)	24 years	31 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

1806 to 1948

Records set or tied on this calendar date in each year from 1806 to 1948. 1948 had 296 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 1948-03-18: 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 100	242
100 to 200	3
200 to 300	1
300 to 400	0
400 to 500	0
500 to 600	0
600 to 700	0
700 to 800	1