Weather Records on 31 March 1931

365 weather records were set or tied worldwide on 31 March 1931. Highest significance: Portland Rfc City, US.

Key Facts for 31 March 1931

On 31 March 1931, 365 weather records were set or tied at long-record stations worldwide.
46 were record highs and 142 were record lows, counting maximum and minimum temperature.
By timescale, 5 were all-time records, 25 monthly and 335 daily.
Portland Rfc City set a daily record precipitation of 52.3 mm (2.1 in) on 31 March 1931.
Across 155 earlier years (1808 to 2026) the same calendar date averaged 507 records.

Record Map

365 stations

365 station records on 31 March 1931 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 31 March 1931: highest significance records shown on the map
Station	Country	Type	Value	Significance
Portland Rfc City	United States	Record daily precipitation	52.3 mm (2.1 in)	63 of 100 (Major)
Thackaringa	Australia	Record daily precipitation	70.6 mm (2.8 in)	57 of 100 (Notable)
Moonaree	Australia	Record daily precipitation	51.3 mm (2.0 in)	56 of 100 (Notable)
Yanco Glen (Corona Homestead)	Australia	Record daily precipitation	96.5 mm (3.8 in)	55 of 100 (Notable)
Woomera (Oakden Hills)	Australia	Record daily precipitation	84.3 mm (3.3 in)	54 of 100 (Notable)
Coondambo	Australia	Record daily precipitation	56.1 mm (2.2 in)	53 of 100 (Notable)
Boolcoomatta	Australia	Record daily precipitation	92.7 mm (3.6 in)	51 of 100 (Notable)
Hood Rvr Exp STN	United States	Record daily precipitation	81.0 mm (3.2 in)	51 of 100 (Notable)
Woomera (Arcoona)	Australia	Record daily precipitation	29.5 mm (1.2 in)	47 of 100 (Notable)
Bookaloo	Australia	Record daily precipitation	109.2 mm (4.3 in)	46 of 100 (Notable)
Tilpa (Warloo)	Australia	Record daily precipitation	63.5 mm (2.5 in)	46 of 100 (Notable)
Yalcowinna	Australia	Record daily precipitation	73.9 mm (2.9 in)	46 of 100 (Notable)
Surada	India	Record daily precipitation	57.4 mm (2.3 in)	46 of 100 (Notable)
Tampa	United States	Record daily precipitation	68.3 mm (2.7 in)	46 of 100 (Notable)
Penong (Penalumba)	Australia	Record daily precipitation	96.5 mm (3.8 in)	45 of 100 (Notable)
Ovando	United States	Record daily precipitation	26.2 mm (1.0 in)	45 of 100 (Notable)
Cle Elum	United States	Record daily precipitation	50.3 mm (2.0 in)	45 of 100 (Notable)
Astoria	United States	Record daily precipitation	82.0 mm (3.2 in)	44 of 100 (Notable)
Mc Minnville	United States	Record daily precipitation	53.8 mm (2.1 in)	44 of 100 (Notable)
Weston 2 SE	United States	Record daily precipitation	31.0 mm (1.2 in)	44 of 100 (Notable)
Adavale	Australia	Record daily precipitation	41.9 mm (1.6 in)	43 of 100 (Notable)
Cascade Locks	United States	Record daily precipitation	101.6 mm (4.0 in)	43 of 100 (Notable)
Forest Grove	United States	Record daily precipitation	46.5 mm (1.8 in)	43 of 100 (Notable)
La Ctr	United States	Record daily precipitation	55.9 mm (2.2 in)	43 of 100 (Notable)
Newport	United States	Record daily precipitation	110.7 mm (4.4 in)	43 of 100 (Notable)
Albany 1 N	United States	Record daily precipitation	41.4 mm (1.6 in)	41 of 100 (Notable)
Silistria	Australia	Record daily precipitation	46.2 mm (1.8 in)	40 of 100 (Notable)
Tarpon Spgs Sewage Plt	United States	Record daily precipitation	52.3 mm (2.1 in)	40 of 100 (Notable)
Belton (Shadow Vale)	Australia	Record daily precipitation	47.0 mm (1.9 in)	39 of 100 (Notable)
Burra Burra	Australia	Record daily precipitation	40.9 mm (1.6 in)	39 of 100 (Notable)
Mungeribar	Australia	Record daily precipitation	41.4 mm (1.6 in)	37 of 100 (Notable)
Wien	Austria	Record low minimum temperature	-6.2 C (20.8 F)	37 of 100 (Notable)
Moscow U of I	United States	Record daily precipitation	44.2 mm (1.7 in)	37 of 100 (Notable)
Suntop	Australia	Record daily precipitation	57.2 mm (2.3 in)	36 of 100 (Notable)
Marion	United States	Record daily precipitation	55.9 mm (2.2 in)	36 of 100 (Notable)
Woomera (South Gap Station)	Australia	Record daily precipitation	63.8 mm (2.5 in)	34 of 100 (Routine)
Nymagee (Wirchilleba)	Australia	Record daily precipitation	40.6 mm (1.6 in)	33 of 100 (Routine)
Headworks Portland Wtr B	United States	Record daily precipitation	117.6 mm (4.6 in)	33 of 100 (Routine)
Sekoni	India	Record daily precipitation	27.2 mm (1.1 in)	31 of 100 (Routine)
Drift Sands (Bos)	South Africa	Record daily precipitation	39.4 mm (1.6 in)	31 of 100 (Routine)
Pontotoc	United States	Record daily precipitation	76.2 mm (3.0 in)	31 of 100 (Routine)
Dayton 1 WSW	United States	Record daily precipitation	52.8 mm (2.1 in)	31 of 100 (Routine)
Broken Hill (Nuntherungie)	Australia	Record daily precipitation	82.6 mm (3.3 in)	30 of 100 (Routine)
Broken Hill (Topar)	Australia	Record daily precipitation	36.8 mm (1.4 in)	29 of 100 (Routine)
Chilliwack	Canada	Record daily precipitation	26.2 mm (1.0 in)	28 of 100 (Routine)
Arrowie	Australia	Record daily precipitation	55.9 mm (2.2 in)	27 of 100 (Routine)
Ivanhoe (Bonuna)	Australia	Record daily precipitation	73.7 mm (2.9 in)	27 of 100 (Routine)
Abbeville	United States	Record daily precipitation	33.3 mm (1.3 in)	27 of 100 (Routine)
Hawker (Warcowie)	Australia	Record daily precipitation	33.0 mm (1.3 in)	26 of 100 (Routine)
Amchong(Sonepur)	India	Record daily precipitation	61.5 mm (2.4 in)	26 of 100 (Routine)
Waterloo	United States	Record snow depth	15.2 cm (6.0 in)	26 of 100 (Routine)
Grants Pass	United States	Record high minimum temperature	10.0 C (50.0 F)	26 of 100 (Routine)
Waxahachie	United States	Record daily precipitation	35.8 mm (1.4 in)	26 of 100 (Routine)
Salem AP (McNary Field)	United States	Record daily precipitation	43.7 mm (1.7 in)	26 of 100 (Routine)
Pine Creek	Australia	Record daily precipitation	63.8 mm (2.5 in)	25 of 100 (Routine)
Newcastle Waters	Australia	Record daily precipitation	27.9 mm (1.1 in)	25 of 100 (Routine)
Arnsberg	Germany	Record low minimum temperature	-6.4 C (20.5 F)	25 of 100 (Routine)
Plauen	Germany	Record low minimum temperature	-9.0 C (15.8 F)	25 of 100 (Routine)
Szombathely	Hungary	Record low minimum temperature	-7.3 C (18.9 F)	25 of 100 (Routine)
Healy	United States	Record snow depth	12.7 cm (5.0 in)	25 of 100 (Routine)

Counts by Type and Timescale

365 records

Records set or tied on 31 March 1931 by type: Highest daily maximum 8, Lowest daily maximum 85, Highest daily minimum 38, Lowest daily minimum 57, Heaviest daily rainfall 166, Heaviest daily snowfall 2, Deepest snow cover 9.

Records on 31 March 1931 by type
Record type	Records
Highest daily maximum	8
Lowest daily maximum	85
Highest daily minimum	38
Lowest daily minimum	57
Heaviest daily rainfall	166
Heaviest daily snowfall	2
Deepest snow cover	9

Records on 31 March 1931 by timescale: all-time 5, monthly 25, daily 335.

How Much Records Were Beaten By

318 broken records

Margins by which the 318 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 150.0. Ties are not counted.

Top 20 by Significance

31 March 1931

Top 20 records on 31 March 1931 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
31 March 1931	Portland Rfc City, US	daily rain	52.3 mm (2.1 in)	33.0 mm (1.3 in)	57 years	63 of 100 (Major)
31 March 1931	Thackaringa, AU	monthly rain	70.6 mm (2.8 in)	37.6 mm (1.5 in)	13 years	57 of 100 (Notable)
31 March 1931	Moonaree, AU	daily rain	51.3 mm (2.0 in)	49.5 mm (1.9 in)	37 years	56 of 100 (Notable)
31 March 1931	Yanco Glen (Corona Homestead), AU	monthly rain	96.5 mm (3.8 in)	30.2 mm (1.2 in)	44 years	55 of 100 (Notable)
31 March 1931	Woomera (Oakden Hills), AU	all-time rain	84.3 mm (3.3 in)	13.2 mm (0.5 in)	44 years	54 of 100 (Notable)
31 March 1931	Coondambo, AU	daily rain	56.1 mm (2.2 in)	52.5 mm (2.1 in)	30 years	53 of 100 (Notable)
31 March 1931	Boolcoomatta, AU	monthly rain	92.7 mm (3.6 in)	32.0 mm (1.3 in)	10 years	51 of 100 (Notable)
31 March 1931	Hood Rvr Exp STN, US	monthly rain	81.0 mm (3.2 in)	19.5 mm (0.8 in)	37 years	51 of 100 (Notable)
31 March 1931	Woomera (Arcoona), AU	daily rain	29.5 mm (1.2 in)	29.5 mm (1.2 in)	48 years	47 of 100 (Notable)
31 March 1931	Bookaloo, AU	daily rain	109.2 mm (4.3 in)	108.7 mm (4.3 in)	12 years	46 of 100 (Notable)
31 March 1931	Tilpa (Warloo), AU	monthly rain	63.5 mm (2.5 in)	19.8 mm (0.8 in)	41 years	46 of 100 (Notable)
31 March 1931	Yalcowinna, AU	all-time rain	73.9 mm (2.9 in)	10.4 mm (0.4 in)	44 years	46 of 100 (Notable)
31 March 1931	Surada, IN	daily rain	57.4 mm (2.3 in)	43.9 mm (1.7 in)	25 years	46 of 100 (Notable)
31 March 1931	Tampa, US	daily rain	68.3 mm (2.7 in)	60.4 mm (2.4 in)	6 years	46 of 100 (Notable)
31 March 1931	Penong (Penalumba), AU	all-time rain	96.5 mm (3.8 in)	11.2 mm (0.4 in)	15 years	45 of 100 (Notable)
31 March 1931	Ovando, US	monthly rain	26.2 mm (1.0 in)	7.7 mm (0.30 in)	26 years	45 of 100 (Notable)
31 March 1931	Cle Elum, US	daily rain	50.3 mm (2.0 in)	36.3 mm (1.4 in)	8 years	45 of 100 (Notable)
31 March 1931	Astoria, US	daily rain	82.0 mm (3.2 in)	56.9 mm (2.2 in)	2 years	44 of 100 (Notable)
31 March 1931	Mc Minnville, US	daily rain	53.8 mm (2.1 in)	28.9 mm (1.1 in)	17 years	44 of 100 (Notable)
31 March 1931	Weston 2 SE, US	daily rain	31.0 mm (1.2 in)	21.9 mm (0.9 in)	8 years	44 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

1808 to 1931

Records set or tied on this calendar date in each year from 1808 to 1931. 1931 had 365 records.

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

Records on 03-31 in each year
Year	Records
1808	2
1815	2
1843	1
1848	1
1850	1
1854	1
1855	3
1856	2
1859	3
1865	2
1869	1
1872	4
1873	1
1874	1
1876	1
1878	1
1880	2
1881	1
1883	1
1887	2
1889	1
1890	1
1891	1
1892	2
1893	3
1896	3
1897	2
1898	5
1899	3
1900	9
1901	7
1902	3
1903	14
1904	16
1905	29
1906	10
1907	11
1908	5
1909	4
1910	45
1911	24
1912	18
1913	62
1914	16
1915	57
1916	17
1917	52
1918	42
1919	86
1920	65
1921	238
1922	102
1923	459
1924	160
1925	110
1926	306
1927	198
1928	98
1929	323
1930	137
1931	365
1932	360
1933	311
1934	181
1935	310
1936	1,242
1937	258
1938	649
1939	197
1940	697
1941	250
1942	245
1943	794
1944	327
1945	778
1946	897
1947	658
1948	355
1949	452
1950	579
1951	490
1952	382
1953	302
1954	549
1955	286
1956	767
1957	373
1958	414
1959	622
1960	327
1961	525
1962	547
1963	987
1964	1,345
1965	457
1966	845
1967	1,025
1968	504
1969	1,126
1970	945
1971	516
1972	427
1973	755
1974	852
1975	1,032
1976	519
1977	1,021
1978	1,362
1979	722
1980	640
1981	1,060
1982	926
1983	564
1984	532
1985	1,471
1986	1,507
1987	2,256
1988	850
1989	1,335
1990	842
1991	634
1992	747
1993	668
1994	871
1995	940
1996	743
1997	962
1998	2,587
1999	1,100
2000	581
2001	686
2002	861
2003	1,722
2004	1,055
2005	861
2006	1,088
2007	1,150
2008	1,471
2009	927
2010	984
2011	1,020
2012	942
2013	753
2014	631
2015	861
2016	823
2017	1,423
2018	663
2019	544
2020	534
2021	949
2022	683
2023	1,128
2024	488
2025	942
2026	1,275

Download the Data

Data for records on 1931-03-31: 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	269
20 to 40	34
40 to 60	6
60 to 80	2
80 to 100	1
100 to 120	2
120 to 140	3
140 to 160	1