Weather Records on 18 March 1931

167 weather records were set or tied worldwide on 18 March 1931. Highest significance: Moncton, CA.

Key Facts for 18 March 1931

On 18 March 1931, 167 weather records were set or tied at long-record stations worldwide.
45 were record highs and 22 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 5 monthly and 162 daily.
Moncton set a monthly record daily snowfall of 35.6 cm (14.0 in) on 18 March 1931.
Across 160 earlier years (1806 to 2026) the same calendar date averaged 479 records.

Record Map

167 stations

167 station records on 18 March 1931 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 March 1931: highest significance records shown on the map
Station	Country	Type	Value	Significance
Moncton	Canada	Record daily snowfall	35.6 cm (14.0 in)	58 of 100 (Notable)
Boggabri (Ghoolendaadi)	Australia	Record daily precipitation	80.5 mm (3.2 in)	43 of 100 (Notable)
Halifax	Canada	Record daily snowfall	21.3 cm (8.4 in)	39 of 100 (Notable)
Soldier Creek Adm Site	United States	Record daily precipitation	33.5 mm (1.3 in)	38 of 100 (Notable)
Moncton	Canada	Record daily precipitation	35.6 mm (1.4 in)	36 of 100 (Notable)
Wolfville	Canada	Record daily snowfall	27.9 cm (11.0 in)	35 of 100 (Notable)
Corvallis State UNIV	United States	Record daily precipitation	28.2 mm (1.1 in)	29 of 100 (Routine)
Coonamble (Pier Pier)	Australia	Record daily precipitation	31.8 mm (1.3 in)	26 of 100 (Routine)
Pallamallawa 2	Australia	Record daily precipitation	53.1 mm (2.1 in)	25 of 100 (Routine)
Charlottetown	Canada	Record daily snowfall	17.8 cm (7.0 in)	24 of 100 (Routine)
Karlshamn	Sweden	Record low minimum temperature	-14.0 C (6.8 F)	24 of 100 (Routine)
Pelee Island	Canada	Record daily snowfall	5.1 cm (2.0 in)	22 of 100 (Routine)
Newport	United States	Record daily precipitation	36.3 mm (1.4 in)	22 of 100 (Routine)
Anacortes	United States	Record daily precipitation	19.8 mm (0.8 in)	20 of 100 (Routine)
Kamloops	Canada	Record daily precipitation	8.6 mm (0.34 in)	20 of 100 (Routine)
Tomsk	Russia	Record daily precipitation	10.1 mm (0.4 in)	20 of 100 (Routine)
Sunnyside	United States	Record daily precipitation	7.6 mm (0.30 in)	20 of 100 (Routine)
Moxee	United States	Record daily precipitation	7.4 mm (0.29 in)	20 of 100 (Routine)
Charlottetown	Canada	Record daily precipitation	17.8 mm (0.7 in)	20 of 100 (Routine)
Thelangerin East	Australia	Record daily precipitation	8.9 mm (0.35 in)	20 of 100 (Routine)
Ladner	Canada	Record daily precipitation	14.0 mm (0.6 in)	20 of 100 (Routine)
Port Townsend	United States	Record daily precipitation	10.2 mm (0.4 in)	20 of 100 (Routine)
Olga 2 SE	United States	Record daily precipitation	13.2 mm (0.5 in)	20 of 100 (Routine)
Mundallio	Australia	Record daily precipitation	11.7 mm (0.5 in)	20 of 100 (Routine)
Moorna	Australia	Record daily precipitation	9.1 mm (0.36 in)	20 of 100 (Routine)
Clunes	Australia	Record daily precipitation	24.4 mm (1.0 in)	20 of 100 (Routine)
Ellensburg	United States	Record daily precipitation	6.1 mm (0.24 in)	20 of 100 (Routine)
Vancouver 4 NNE	United States	Record daily precipitation	23.6 mm (0.9 in)	20 of 100 (Routine)
Kristianstad	Sweden	Record low minimum temperature	-13.0 C (8.6 F)	20 of 100 (Routine)
Mc Minnville	United States	Record daily precipitation	30.5 mm (1.2 in)	20 of 100 (Routine)
Sedro-Woolley	United States	Record daily precipitation	27.7 mm (1.1 in)	20 of 100 (Routine)
Waterville	United States	Record daily precipitation	9.7 mm (0.38 in)	20 of 100 (Routine)
Belaringar Station	Australia	Record daily precipitation	10.4 mm (0.4 in)	19 of 100 (Routine)
Innamincka Station	Australia	Record daily precipitation	14.2 mm (0.6 in)	18 of 100 (Routine)
Silistria	Australia	Record daily precipitation	4.8 mm (0.19 in)	18 of 100 (Routine)
Pallal	Australia	Record daily precipitation	7.9 mm (0.31 in)	18 of 100 (Routine)
Brushgrove Post Office	Australia	Record daily precipitation	20.3 mm (0.8 in)	18 of 100 (Routine)
Vilnius	Lithuania	Record low minimum temperature	-18.5 C (-1.3 F)	18 of 100 (Routine)
Cambridge	United States	Record daily precipitation	21.1 mm (0.8 in)	18 of 100 (Routine)
Ft Wayne City	United States	Record daily snowfall	5.6 cm (2.2 in)	18 of 100 (Routine)
W Lafayette 6 NW	United States	Record daily snowfall	3.0 cm (1.2 in)	18 of 100 (Routine)
Cape May 2 NW	United States	Record snow depth	2.5 cm (1.0 in)	18 of 100 (Routine)
Chilliwack	Canada	Record daily precipitation	27.4 mm (1.1 in)	17 of 100 (Routine)
Chicoutimi	Canada	Record high minimum temperature	-2.2 C (28.0 F)	17 of 100 (Routine)
Olympia Priest Pt Park	United States	Record daily precipitation	27.4 mm (1.1 in)	17 of 100 (Routine)
Salem AP (McNary Field)	United States	Record daily precipitation	32.8 mm (1.3 in)	17 of 100 (Routine)
Oran-Hopital Militaire	Algeria	Record high minimum temperature	15.0 C (59.0 F)	16 of 100 (Routine)
Yerevan	Armenia	Record high minimum temperature	11.4 C (52.5 F)	16 of 100 (Routine)
Burketown Post Office	Australia	Record high minimum temperature	27.8 C (82.0 F)	16 of 100 (Routine)
Wilcannia (Burndoo Estate)	Australia	Record daily precipitation	5.3 mm (0.21 in)	16 of 100 (Routine)
Springfield Government Tank	Australia	Record daily precipitation	1.0 mm (0.04 in)	16 of 100 (Routine)
Fort St James	Canada	Record daily precipitation	17.8 mm (0.7 in)	16 of 100 (Routine)
Nord Odal	Norway	Record snow depth	85.0 cm (33.5 in)	16 of 100 (Routine)
Odesa	Ukraine	Record low maximum temperature	-3.7 C (25.3 F)	16 of 100 (Routine)
Riverside 7 SSW	United States	Record high minimum temperature	8.9 C (48.0 F)	16 of 100 (Routine)
Carroll (the Ranch)	Australia	Record daily precipitation	1.0 mm (0.04 in)	15 of 100 (Routine)
Quesnel	Canada	Record daily precipitation	0.3 mm (0.01 in)	15 of 100 (Routine)
Kissimmee	United States	Record low maximum temperature	16.7 C (62.1 F)	15 of 100 (Routine)
Dayville	United States	Record high minimum temperature	7.2 C (45.0 F)	15 of 100 (Routine)
Moorook	Australia	Record daily precipitation	1.8 mm (0.07 in)	14 of 100 (Routine)

Counts by Type and Timescale

167 records

Records set or tied on 18 March 1931 by type: Highest daily maximum 7, Lowest daily maximum 8, Highest daily minimum 38, Lowest daily minimum 14, Heaviest daily rainfall 78, Heaviest daily snowfall 14, Deepest snow cover 8.

Records on 18 March 1931 by type
Record type	Records
Highest daily maximum	7
Lowest daily maximum	8
Highest daily minimum	38
Lowest daily minimum	14
Heaviest daily rainfall	78
Heaviest daily snowfall	14
Deepest snow cover	8

Records on 18 March 1931 by timescale: all-time 0, monthly 5, daily 162.

How Much Records Were Beaten By

139 broken records

Margins by which the 139 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 430.0. Ties are not counted.

Top 20 by Significance

18 March 1931

Top 20 records on 18 March 1931 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 March 1931	Moncton, CA	monthly snowfall	35.6 cm (14.0 in)	14.0 cm (5.5 in)	48 years	58 of 100 (Notable)
18 March 1931	Boggabri (Ghoolendaadi), AU	daily rain	80.5 mm (3.2 in)	52.6 mm (2.1 in)	25 years	43 of 100 (Notable)
18 March 1931	Halifax, CA	daily snowfall	21.3 cm (8.4 in)	8.6 cm (3.4 in)	52 years	39 of 100 (Notable)
18 March 1931	Soldier Creek Adm Site, US	daily rain	33.5 mm (1.3 in)	20.3 mm (0.8 in)	12 years	38 of 100 (Notable)
18 March 1931	Moncton, CA	daily rain	35.6 mm (1.4 in)	14.0 mm (0.6 in)	48 years	36 of 100 (Notable)
18 March 1931	Wolfville, CA	daily snowfall	27.9 cm (11.0 in)	21.5 cm (8.5 in)	0 years	35 of 100 (Notable)
18 March 1931	Corvallis State UNIV, US	daily rain	28.2 mm (1.1 in)	18.3 mm (0.7 in)	9 years	29 of 100 (Routine)
18 March 1931	Coonamble (Pier Pier), AU	daily rain	31.8 mm (1.3 in)	17.3 mm (0.7 in)	37 years	26 of 100 (Routine)
18 March 1931	Pallamallawa 2, AU	daily rain	53.1 mm (2.1 in)	27.7 mm (1.1 in)	24 years	25 of 100 (Routine)
18 March 1931	Charlottetown, CA	daily snowfall	17.8 cm (7.0 in)	6.4 cm (2.5 in)	16 years	24 of 100 (Routine)
18 March 1931	Karlshamn, SE	daily low min	-14.0 C (6.8 F)	2.0 C (3.6 F)	47 years	24 of 100 (Routine)
18 March 1931	Pelee Island, CA	daily snowfall	5.1 cm (2.0 in)	5.1 cm (2.0 in)	40 years	22 of 100 (Routine)
18 March 1931	Newport, US	daily rain	36.3 mm (1.4 in)	11.9 mm (0.5 in)	33 years	22 of 100 (Routine)
18 March 1931	Anacortes, US	daily rain	19.8 mm (0.8 in)	13.7 mm (0.5 in)	24 years	20 of 100 (Routine)
18 March 1931	Kamloops, CA	daily rain	8.6 mm (0.34 in)	5.8 mm (0.23 in)	9 years	20 of 100 (Routine)
18 March 1931	Tomsk, RU	daily rain	10.1 mm (0.4 in)	3.1 mm (0.12 in)	41 years	20 of 100 (Routine)
18 March 1931	Sunnyside, US	daily rain	7.6 mm (0.30 in)	6.1 mm (0.24 in)	12 years	20 of 100 (Routine)
18 March 1931	Moxee, US	daily rain	7.4 mm (0.29 in)	4.9 mm (0.19 in)	24 years	20 of 100 (Routine)
18 March 1931	Charlottetown, CA	daily rain	17.8 mm (0.7 in)	2.6 mm (0.10 in)	51 years	20 of 100 (Routine)
18 March 1931	Thelangerin East, AU	daily rain	8.9 mm (0.35 in)	3.3 mm (0.13 in)	50 years	20 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 1931

Records set or tied on this calendar date in each year from 1806 to 1931. 1931 had 167 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 1931-03-18: 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	134
100 to 200	2
200 to 300	2
300 to 400	0
400 to 500	1