Weather Records on 31 March 1921

238 weather records were set or tied worldwide on 31 March 1921. Highest significance: Tbilisi, GE.

Key Facts for 31 March 1921

On 31 March 1921, 238 weather records were set or tied at long-record stations worldwide.
17 were record highs and 4 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 1 monthly and 237 daily.
Tbilisi set a daily record precipitation of 26.1 mm (1.0 in) on 31 March 1921.
Across 155 earlier years (1808 to 2026) the same calendar date averaged 508 records.

Record Map

238 stations

238 station records on 31 March 1921 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 31 March 1921: highest significance records shown on the map
Station	Country	Type	Value	Significance
Tbilisi	Georgia	Record daily precipitation	26.1 mm (1.0 in)	44 of 100 (Notable)
Melrose	Australia	Record daily precipitation	40.1 mm (1.6 in)	40 of 100 (Notable)
Murray Town (Doughboy Creek)	Australia	Record daily precipitation	27.9 mm (1.1 in)	22 of 100 (Routine)
Wagga Wagga (Kooringal)	Australia	Record low maximum temperature	17.2 C (63.0 F)	22 of 100 (Routine)
Portland	Australia	Record daily precipitation	27.2 mm (1.1 in)	22 of 100 (Routine)
Booleroo Centre	Australia	Record daily precipitation	24.4 mm (1.0 in)	20 of 100 (Routine)
Mannanarie Post Office	Australia	Record daily precipitation	18.5 mm (0.7 in)	20 of 100 (Routine)
Appila	Australia	Record daily precipitation	17.3 mm (0.7 in)	20 of 100 (Routine)
Carrieton (Eurelia)	Australia	Record daily precipitation	15.2 mm (0.6 in)	20 of 100 (Routine)
Kadina	Australia	Record daily precipitation	15.7 mm (0.6 in)	20 of 100 (Routine)
Auburn	Australia	Record daily precipitation	20.3 mm (0.8 in)	20 of 100 (Routine)
Snowtown	Australia	Record daily precipitation	15.0 mm (0.6 in)	20 of 100 (Routine)
Willunga	Australia	Record daily precipitation	15.2 mm (0.6 in)	20 of 100 (Routine)
Koroit	Australia	Record daily precipitation	21.6 mm (0.9 in)	20 of 100 (Routine)
Port Augusta Post Office	Australia	Record daily precipitation	18.8 mm (0.7 in)	20 of 100 (Routine)
Hallett	Australia	Record daily precipitation	19.8 mm (0.8 in)	20 of 100 (Routine)
Branxholme (Bassett)	Australia	Record daily precipitation	22.9 mm (0.9 in)	20 of 100 (Routine)
Gredgwin (Barraport North)	Australia	Record daily precipitation	18.5 mm (0.7 in)	20 of 100 (Routine)
Jeruk	Australia	Record daily precipitation	20.3 mm (0.8 in)	20 of 100 (Routine)
Yudnapinna	Australia	Record daily precipitation	11.4 mm (0.4 in)	20 of 100 (Routine)
Ardrossan (Winulta)	Australia	Record daily precipitation	16.5 mm (0.6 in)	20 of 100 (Routine)
Echunga Golf Course	Australia	Record daily precipitation	18.5 mm (0.7 in)	20 of 100 (Routine)
Meningie	Australia	Record daily precipitation	12.4 mm (0.5 in)	20 of 100 (Routine)
Wirrabara	Australia	Record daily precipitation	12.2 mm (0.5 in)	20 of 100 (Routine)
Morgan Post Office	Australia	Record daily precipitation	12.7 mm (0.5 in)	20 of 100 (Routine)
Jung Jung	Australia	Record daily precipitation	18.8 mm (0.7 in)	20 of 100 (Routine)
Orroroo	Australia	Record daily precipitation	11.9 mm (0.5 in)	20 of 100 (Routine)
Amyton East	Australia	Record daily precipitation	15.0 mm (0.6 in)	20 of 100 (Routine)
Mount Remarkable	Australia	Record daily precipitation	18.3 mm (0.7 in)	20 of 100 (Routine)
Laura	Australia	Record daily precipitation	16.0 mm (0.6 in)	20 of 100 (Routine)
Paskeville	Australia	Record daily precipitation	15.2 mm (0.6 in)	20 of 100 (Routine)
Lyndoch (Pewsey Vale)	Australia	Record daily precipitation	19.3 mm (0.8 in)	20 of 100 (Routine)
Port Elliot Caravan Park	Australia	Record daily precipitation	11.7 mm (0.5 in)	20 of 100 (Routine)
Cape Northumberland	Australia	Record daily precipitation	17.8 mm (0.7 in)	20 of 100 (Routine)
Longerenong	Australia	Record daily precipitation	14.2 mm (0.6 in)	20 of 100 (Routine)
Ulan-Ude	Russia	Record daily precipitation	4.5 mm (0.18 in)	20 of 100 (Routine)
Georgetown	Australia	Record daily precipitation	11.9 mm (0.5 in)	20 of 100 (Routine)
Marrabel	Australia	Record daily precipitation	12.7 mm (0.5 in)	20 of 100 (Routine)
Carrieton	Australia	Record daily precipitation	8.1 mm (0.32 in)	20 of 100 (Routine)
Hawker (Holowilena)	Australia	Record daily precipitation	15.2 mm (0.6 in)	20 of 100 (Routine)
Koomooloo	Australia	Record daily precipitation	15.2 mm (0.6 in)	20 of 100 (Routine)
Hallett (Old Canowie)	Australia	Record daily precipitation	13.7 mm (0.5 in)	20 of 100 (Routine)
Lyndoch	Australia	Record daily precipitation	14.2 mm (0.6 in)	20 of 100 (Routine)
Hahndorf	Australia	Record daily precipitation	18.5 mm (0.7 in)	20 of 100 (Routine)
Kingston SE	Australia	Record daily precipitation	10.7 mm (0.4 in)	20 of 100 (Routine)
Port Jervis	United States	Record daily precipitation	21.8 mm (0.9 in)	20 of 100 (Routine)
Saddleworth	Australia	Record daily precipitation	11.9 mm (0.5 in)	20 of 100 (Routine)
Clarendon	Australia	Record daily precipitation	16.3 mm (0.6 in)	20 of 100 (Routine)
Lobethal	Australia	Record daily precipitation	15.2 mm (0.6 in)	20 of 100 (Routine)
Mount Pleasant	Australia	Record daily precipitation	16.3 mm (0.6 in)	20 of 100 (Routine)
Euston Station	Australia	Record daily precipitation	20.6 mm (0.8 in)	20 of 100 (Routine)
Towaninnie	Australia	Record daily precipitation	17.8 mm (0.7 in)	20 of 100 (Routine)
Port Augusta West	Australia	Record daily precipitation	10.2 mm (0.4 in)	20 of 100 (Routine)
Belton (Shadow Vale)	Australia	Record daily precipitation	10.2 mm (0.4 in)	20 of 100 (Routine)
Wilmington	Australia	Record daily precipitation	10.2 mm (0.4 in)	20 of 100 (Routine)
Hawker (Wilson)	Australia	Record daily precipitation	10.7 mm (0.4 in)	20 of 100 (Routine)
Whyte Yarcowie	Australia	Record daily precipitation	6.6 mm (0.26 in)	20 of 100 (Routine)
Greenock	Australia	Record daily precipitation	9.7 mm (0.38 in)	20 of 100 (Routine)
Netley	Australia	Record daily precipitation	16.3 mm (0.6 in)	20 of 100 (Routine)
Warrnambool Shire Office	Australia	Record daily precipitation	21.1 mm (0.8 in)	20 of 100 (Routine)

Counts by Type and Timescale

238 records

Records set or tied on 31 March 1921 by type: Highest daily maximum 4, Lowest daily maximum 3, Highest daily minimum 13, Lowest daily minimum 1, Heaviest daily rainfall 217.

Records on 31 March 1921 by type
Record type	Records
Highest daily maximum	4
Lowest daily maximum	3
Highest daily minimum	13
Lowest daily minimum	1
Heaviest daily rainfall	217
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 31 March 1921 by timescale: all-time 0, monthly 1, daily 237.

How Much Records Were Beaten By

224 broken records

Margins by which the 224 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 38.1. Ties are not counted.

Top 20 by Significance

31 March 1921

Top 20 records on 31 March 1921 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
31 March 1921	Tbilisi, GE	daily rain	26.1 mm (1.0 in)	16.2 mm (0.6 in)	16 years	44 of 100 (Notable)
31 March 1921	Melrose, AU	daily rain	40.1 mm (1.6 in)	38.1 mm (1.5 in)	4 years	40 of 100 (Notable)
31 March 1921	Murray Town (Doughboy Creek), AU	daily rain	27.9 mm (1.1 in)	20.3 mm (0.8 in)	20 years	22 of 100 (Routine)
31 March 1921	Wagga Wagga (Kooringal), AU	daily low max	17.2 C (63.0 F)	2.2 C (4.0 F)	44 years	22 of 100 (Routine)
31 March 1921	Portland, AU	daily rain	27.2 mm (1.1 in)	5.6 mm (0.22 in)	27 years	22 of 100 (Routine)
31 March 1921	Booleroo Centre, AU	daily rain	24.4 mm (1.0 in)	24.4 mm (1.0 in)	36 years	20 of 100 (Routine)
31 March 1921	Mannanarie Post Office, AU	daily rain	18.5 mm (0.7 in)	18.2 mm (0.7 in)	30 years	20 of 100 (Routine)
31 March 1921	Appila, AU	daily rain	17.3 mm (0.7 in)	17.0 mm (0.7 in)	36 years	20 of 100 (Routine)
31 March 1921	Carrieton (Eurelia), AU	daily rain	15.2 mm (0.6 in)	15.2 mm (0.6 in)	36 years	20 of 100 (Routine)
31 March 1921	Kadina, AU	daily rain	15.7 mm (0.6 in)	13.4 mm (0.5 in)	20 years	20 of 100 (Routine)
31 March 1921	Auburn, AU	daily rain	20.3 mm (0.8 in)	16.5 mm (0.6 in)	27 years	20 of 100 (Routine)
31 March 1921	Snowtown, AU	daily rain	15.0 mm (0.6 in)	15.0 mm (0.6 in)	36 years	20 of 100 (Routine)
31 March 1921	Willunga, AU	daily rain	15.2 mm (0.6 in)	13.7 mm (0.5 in)	20 years	20 of 100 (Routine)
31 March 1921	Koroit, AU	daily rain	21.6 mm (0.9 in)	15.2 mm (0.6 in)	29 years	20 of 100 (Routine)
31 March 1921	Port Augusta Post Office, AU	daily rain	18.8 mm (0.7 in)	10.4 mm (0.4 in)	27 years	20 of 100 (Routine)
31 March 1921	Hallett, AU	daily rain	19.8 mm (0.8 in)	19.5 mm (0.8 in)	12 years	20 of 100 (Routine)
31 March 1921	Branxholme (Bassett), AU	daily rain	22.9 mm (0.9 in)	14.3 mm (0.6 in)	27 years	20 of 100 (Routine)
31 March 1921	Gredgwin (Barraport North), AU	daily rain	18.5 mm (0.7 in)	15.2 mm (0.6 in)	26 years	20 of 100 (Routine)
31 March 1921	Jeruk, AU	daily rain	20.3 mm (0.8 in)	15.5 mm (0.6 in)	26 years	20 of 100 (Routine)
31 March 1921	Yudnapinna, AU	daily rain	11.4 mm (0.4 in)	8.6 mm (0.34 in)	33 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

1808 to 1921

Records set or tied on this calendar date in each year from 1808 to 1921. 1921 had 238 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 1921-03-31: 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 5	89
5 to 10	78
10 to 15	40
15 to 20	14
20 to 25	2
25 to 30	0
30 to 35	0
35 to 40	1