Weather Records on 18 March 1933

244 weather records were set or tied worldwide on 18 March 1933. Highest significance: Rock Rapids, US.

Key Facts for 18 March 1933

On 18 March 1933, 244 weather records were set or tied at long-record stations worldwide.
101 were record highs and 11 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 6 monthly and 238 daily.
Rock Rapids set a daily record snowfall of 26.7 cm (10.5 in) on 18 March 1933.
Across 160 earlier years (1806 to 2026) the same calendar date averaged 479 records.

Record Map

244 stations

244 station records on 18 March 1933 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 March 1933: highest significance records shown on the map
Station	Country	Type	Value	Significance
Rock Rapids	United States	Record daily snowfall	26.7 cm (10.5 in)	55 of 100 (Notable)
Washta	United States	Record daily precipitation	32.0 mm (1.3 in)	46 of 100 (Notable)
Sampagaon-Bailh	India	Record daily precipitation	32.3 mm (1.3 in)	44 of 100 (Notable)
Effingham 3SW	United States	Record daily precipitation	71.6 mm (2.8 in)	41 of 100 (Notable)
Conway	United States	Record daily precipitation	76.7 mm (3.0 in)	38 of 100 (Notable)
Caruthersville	United States	Record daily precipitation	94.0 mm (3.7 in)	38 of 100 (Notable)
Aledo	United States	Record daily precipitation	34.3 mm (1.4 in)	37 of 100 (Notable)
Sac City	United States	Record daily precipitation	34.3 mm (1.4 in)	36 of 100 (Notable)
Watseka Public Works	United States	Record daily precipitation	51.3 mm (2.0 in)	34 of 100 (Routine)
Greenville Wtp	United States	Record daily precipitation	46.5 mm (1.8 in)	34 of 100 (Routine)
Greenville	United States	Record daily precipitation	63.5 mm (2.5 in)	33 of 100 (Routine)
Columbus	United States	Record daily precipitation	55.9 mm (2.2 in)	30 of 100 (Routine)
Mauzy	United States	Record daily precipitation	38.9 mm (1.5 in)	29 of 100 (Routine)
Rushville	United States	Record daily precipitation	38.9 mm (1.5 in)	29 of 100 (Routine)
Rockville	United States	Record daily precipitation	42.2 mm (1.7 in)	28 of 100 (Routine)
Hernando	United States	Record daily precipitation	50.3 mm (2.0 in)	27 of 100 (Routine)
Cape York Post Office	Australia	Record daily precipitation	81.3 mm (3.2 in)	26 of 100 (Routine)
Champaign 3S	United States	Record daily precipitation	61.2 mm (2.4 in)	25 of 100 (Routine)
Marion 2 N	United States	Record daily precipitation	32.8 mm (1.3 in)	25 of 100 (Routine)
Scottsburg	United States	Record daily precipitation	37.6 mm (1.5 in)	25 of 100 (Routine)
Koebenhavn: Landbohojskolen-1	Denmark	Record high minimum temperature	4.2 C (39.6 F)	24 of 100 (Routine)
Cambridge City 3 N	United States	Record daily precipitation	31.5 mm (1.2 in)	24 of 100 (Routine)
Moores Hill	United States	Record daily precipitation	38.4 mm (1.5 in)	24 of 100 (Routine)
Anchorage	United States	Record daily precipitation	56.1 mm (2.2 in)	24 of 100 (Routine)
Albert Lea 3SE	United States	Record daily precipitation	35.6 mm (1.4 in)	24 of 100 (Routine)
Ardmore	United States	Record daily precipitation	39.4 mm (1.6 in)	24 of 100 (Routine)
Greensburg	United States	Record daily precipitation	32.5 mm (1.3 in)	23 of 100 (Routine)
Casey	United States	Record daily precipitation	57.2 mm (2.3 in)	22 of 100 (Routine)
Richmond Wtr Wks	United States	Record daily precipitation	50.8 mm (2.0 in)	22 of 100 (Routine)
Bilgi	India	Record daily precipitation	27.9 mm (1.1 in)	21 of 100 (Routine)
Salem	United States	Record daily precipitation	37.1 mm (1.5 in)	21 of 100 (Routine)
Seymour 1 WSW	United States	Record daily precipitation	29.7 mm (1.2 in)	21 of 100 (Routine)
Shelbyville Sewage Plt	United States	Record daily precipitation	41.7 mm (1.6 in)	21 of 100 (Routine)
Shelbyville 1 E	United States	Record daily precipitation	43.7 mm (1.7 in)	21 of 100 (Routine)
Aurora	United States	Record daily precipitation	27.9 mm (1.1 in)	21 of 100 (Routine)
Surgut	Russia	Record daily precipitation	11.6 mm (0.5 in)	20 of 100 (Routine)
Gavle	Sweden	Record daily precipitation	12.7 mm (0.5 in)	20 of 100 (Routine)
Khanpur	India	Record daily precipitation	13.7 mm (0.5 in)	20 of 100 (Routine)
Storm Lake	United States	Record daily precipitation	21.6 mm (0.9 in)	20 of 100 (Routine)
Mason City	United States	Record daily precipitation	19.6 mm (0.8 in)	20 of 100 (Routine)
Sringeri	India	Record daily precipitation	16.5 mm (0.6 in)	20 of 100 (Routine)
Honnali	India	Record daily precipitation	13.7 mm (0.5 in)	20 of 100 (Routine)
Gysinge	Sweden	Record daily precipitation	6.7 mm (0.26 in)	20 of 100 (Routine)
Holly	United States	Record daily precipitation	9.4 mm (0.37 in)	20 of 100 (Routine)
Siddapur	India	Record daily precipitation	9.9 mm (0.39 in)	20 of 100 (Routine)
Dalby Post Office	Australia	Record high maximum temperature	37.9 C (100.2 F)	20 of 100 (Routine)
Sandvig	Denmark	Record high minimum temperature	5.2 C (41.4 F)	20 of 100 (Routine)
Skara 1	Sweden	Record high minimum temperature	3.5 C (38.3 F)	20 of 100 (Routine)
Marble Hill	United States	Record daily precipitation	28.4 mm (1.1 in)	20 of 100 (Routine)
Evelyn Sharp Fld	United States	Record daily precipitation	19.1 mm (0.8 in)	20 of 100 (Routine)
Wakefield 3NW	United States	Record daily precipitation	26.9 mm (1.1 in)	20 of 100 (Routine)
Grafton 1 NE	United States	Record daily precipitation	18.5 mm (0.7 in)	20 of 100 (Routine)
Davenport L&D 15	United States	Record daily precipitation	20.1 mm (0.8 in)	20 of 100 (Routine)
Longreach Post Office	Australia	Record high maximum temperature	41.9 C (107.4 F)	19 of 100 (Routine)
Brisbane Regional Office	Australia	Record high maximum temperature	35.9 C (96.6 F)	19 of 100 (Routine)
Inverell Comparison	Australia	Record high maximum temperature	37.2 C (99.0 F)	19 of 100 (Routine)
Vanersborg	Sweden	Record high minimum temperature	4.0 C (39.2 F)	19 of 100 (Routine)
Granite Reef Dam	United States	Record low minimum temperature	0.0 C (32.0 F)	19 of 100 (Routine)
Jerome	United States	Record low maximum temperature	4.4 C (39.9 F)	19 of 100 (Routine)
Little Rock St Capitol	United States	Record daily precipitation	53.1 mm (2.1 in)	19 of 100 (Routine)

Counts by Type and Timescale

244 records

Records set or tied on 18 March 1933 by type: Highest daily maximum 32, Lowest daily maximum 7, Highest daily minimum 69, Lowest daily minimum 4, Heaviest daily rainfall 123, Heaviest daily snowfall 7, Deepest snow cover 2.

Records on 18 March 1933 by type
Record type	Records
Highest daily maximum	32
Lowest daily maximum	7
Highest daily minimum	69
Lowest daily minimum	4
Heaviest daily rainfall	123
Heaviest daily snowfall	7
Deepest snow cover	2

Records on 18 March 1933 by timescale: all-time 0, monthly 6, daily 238.

How Much Records Were Beaten By

199 broken records

Margins by which the 199 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 267.0. Ties are not counted.

Top 20 by Significance

18 March 1933

Top 20 records on 18 March 1933 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 March 1933	Rock Rapids, US	daily snowfall	26.7 cm (10.5 in)	26.7 cm (10.5 in)	38 years	55 of 100 (Notable)
18 March 1933	Washta, US	daily rain	32.0 mm (1.3 in)	21.8 mm (0.9 in)	30 years	46 of 100 (Notable)
18 March 1933	Sampagaon-Bailh, IN	daily rain	32.3 mm (1.3 in)	32.3 mm (1.3 in)	32 years	44 of 100 (Notable)
18 March 1933	Effingham 3SW, US	daily rain	71.6 mm (2.8 in)	34.0 mm (1.3 in)	33 years	41 of 100 (Notable)
18 March 1933	Conway, US	daily rain	76.7 mm (3.0 in)	53.6 mm (2.1 in)	11 years	38 of 100 (Notable)
18 March 1933	Caruthersville, US	monthly rain	94.0 mm (3.7 in)	19.1 mm (0.8 in)	38 years	38 of 100 (Notable)
18 March 1933	Aledo, US	daily rain	34.3 mm (1.4 in)	22.6 mm (0.9 in)	24 years	37 of 100 (Notable)
18 March 1933	Sac City, US	daily rain	34.3 mm (1.4 in)	15.2 mm (0.6 in)	38 years	36 of 100 (Notable)
18 March 1933	Watseka Public Works, US	daily rain	51.3 mm (2.0 in)	27.9 mm (1.1 in)	8 years	34 of 100 (Routine)
18 March 1933	Greenville Wtp, US	daily rain	46.5 mm (1.8 in)	28.2 mm (1.1 in)	24 years	34 of 100 (Routine)
18 March 1933	Greenville, US	daily rain	63.5 mm (2.5 in)	22.9 mm (0.9 in)	33 years	33 of 100 (Routine)
18 March 1933	Columbus, US	daily rain	55.9 mm (2.2 in)	37.9 mm (1.5 in)	6 years	30 of 100 (Routine)
18 March 1933	Mauzy, US	daily rain	38.9 mm (1.5 in)	18.8 mm (0.7 in)	33 years	29 of 100 (Routine)
18 March 1933	Rushville, US	daily rain	38.9 mm (1.5 in)	25.4 mm (1.0 in)	22 years	29 of 100 (Routine)
18 March 1933	Rockville, US	daily rain	42.2 mm (1.7 in)	16.8 mm (0.7 in)	33 years	28 of 100 (Routine)
18 March 1933	Hernando, US	daily rain	50.3 mm (2.0 in)	28.7 mm (1.1 in)	28 years	27 of 100 (Routine)
18 March 1933	Cape York Post Office, AU	daily rain	81.3 mm (3.2 in)	45.7 mm (1.8 in)	20 years	26 of 100 (Routine)
18 March 1933	Champaign 3S, US	daily rain	61.2 mm (2.4 in)	23.9 mm (0.9 in)	8 years	25 of 100 (Routine)
18 March 1933	Marion 2 N, US	daily rain	32.8 mm (1.3 in)	11.2 mm (0.4 in)	33 years	25 of 100 (Routine)
18 March 1933	Scottsburg, US	daily rain	37.6 mm (1.5 in)	13.5 mm (0.5 in)	33 years	25 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 1933

Records set or tied on this calendar date in each year from 1806 to 1933. 1933 had 244 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 1933-03-18: 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 50	196
50 to 100	2
100 to 150	0
150 to 200	0
200 to 250	0
250 to 300	1