Weather Records on 20 April 1931

255 weather records were set or tied worldwide on 20 April 1931. Highest significance: Hvar, HR.

Key Facts for 20 April 1931

On 20 April 1931, 255 weather records were set or tied at long-record stations worldwide.
135 were record highs and 13 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 8 monthly and 247 daily.
Hvar set a daily record precipitation of 53.0 mm (2.1 in) on 20 April 1931.
Across 159 earlier years (1807 to 2026) the same calendar date averaged 463 records.

Record Map

255 stations

255 station records on 20 April 1931 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 April 1931: highest significance records shown on the map
Station	Country	Type	Value	Significance
Hvar	Croatia	Record daily precipitation	53.0 mm (2.1 in)	63 of 100 (Major)
Newcastle Nobbys Signal Statio	Australia	Record daily precipitation	109.5 mm (4.3 in)	54 of 100 (Notable)
Kerkeriya	India	Record daily precipitation	100.3 mm (3.9 in)	50 of 100 (Notable)
Kurrajong Heights (Bells Line	Australia	Record daily precipitation	91.2 mm (3.6 in)	45 of 100 (Notable)
Kiama Bowling Club	Australia	Record daily precipitation	118.6 mm (4.7 in)	44 of 100 (Notable)
Cockle Creek (Pasminco Metals)	Australia	Record daily precipitation	174.5 mm (6.9 in)	43 of 100 (Notable)
Dapto West (Stane Dykes)	Australia	Record daily precipitation	84.6 mm (3.3 in)	37 of 100 (Notable)
Damra	India	Record daily precipitation	116.3 mm (4.6 in)	36 of 100 (Notable)
Sans Souci (Public School)	Australia	Record daily precipitation	72.4 mm (2.9 in)	32 of 100 (Routine)
Helensburgh (Sawan St)	Australia	Record daily precipitation	95.3 mm (3.8 in)	32 of 100 (Routine)
Zagreb-Gric	Croatia	Record daily precipitation	26.2 mm (1.0 in)	32 of 100 (Routine)
Goorangoola	Australia	Record daily precipitation	39.4 mm (1.6 in)	27 of 100 (Routine)
Milton Post Office	Australia	Record daily precipitation	79.0 mm (3.1 in)	26 of 100 (Routine)
Oroville 1 N	United States	Record high minimum temperature	21.1 C (70.0 F)	26 of 100 (Routine)
Table Rock 4N	United States	Record daily precipitation	35.1 mm (1.4 in)	26 of 100 (Routine)
Seven Oaks (Bellimbopinni)	Australia	Record daily precipitation	43.4 mm (1.7 in)	25 of 100 (Routine)
Simcoe	Canada	Record high maximum temperature	26.1 C (79.0 F)	25 of 100 (Routine)
Peterborough	Canada	Record high maximum temperature	25.0 C (77.0 F)	25 of 100 (Routine)
Yengarie Railway Station	Australia	Record daily precipitation	40.6 mm (1.6 in)	24 of 100 (Routine)
Wollongong Post Office	Australia	Record daily precipitation	62.2 mm (2.4 in)	24 of 100 (Routine)
Kingston Queens U	Canada	Record high maximum temperature	22.2 C (72.0 F)	24 of 100 (Routine)
Pokolbin 1 Post Office	Australia	Record daily precipitation	35.6 mm (1.4 in)	23 of 100 (Routine)
Kingston Queens U	Canada	Record high minimum temperature	10.6 C (51.1 F)	23 of 100 (Routine)
Pembroke Eddy Match	Canada	Record high maximum temperature	27.8 C (82.0 F)	23 of 100 (Routine)
Macon 2 NE	United States	Record daily precipitation	36.1 mm (1.4 in)	23 of 100 (Routine)
Buffalo	United States	Record high minimum temperature	16.1 C (61.0 F)	23 of 100 (Routine)
Harrington (Oxley Anchorage Ca	Australia	Record daily precipitation	63.8 mm (2.5 in)	22 of 100 (Routine)
Morangarell	Australia	Record daily precipitation	26.7 mm (1.1 in)	22 of 100 (Routine)
Port Arthur	Canada	Record high minimum temperature	4.4 C (39.9 F)	21 of 100 (Routine)
Southampton	Canada	Record high minimum temperature	11.1 C (52.0 F)	21 of 100 (Routine)
Nevada City	United States	Record high minimum temperature	14.4 C (57.9 F)	21 of 100 (Routine)
Lowville	United States	Record high maximum temperature	25.6 C (78.1 F)	21 of 100 (Routine)
Stevens Pt	United States	Record daily precipitation	26.2 mm (1.0 in)	21 of 100 (Routine)
Przhevalsk	Kyrgyzstan	Record daily precipitation	21.0 mm (0.8 in)	20 of 100 (Routine)
Uliman (Brentwood)	Australia	Record daily precipitation	17.8 mm (0.7 in)	20 of 100 (Routine)
Branxton Post Office	Australia	Record daily precipitation	24.6 mm (1.0 in)	20 of 100 (Routine)
Bajramaly	Turkmenistan	Record daily precipitation	15.9 mm (0.6 in)	20 of 100 (Routine)
Campbelltown 1	Australia	Record daily precipitation	16.8 mm (0.7 in)	20 of 100 (Routine)
Wolseley	Australia	Record daily precipitation	9.9 mm (0.39 in)	20 of 100 (Routine)
Nundle Post Office	Australia	Record daily precipitation	24.1 mm (0.9 in)	20 of 100 (Routine)
Ellerston (Glenrock)	Australia	Record daily precipitation	18.0 mm (0.7 in)	20 of 100 (Routine)
Dubbo (Mentone)	Australia	Record daily precipitation	11.2 mm (0.4 in)	20 of 100 (Routine)
Mackay Post Office	Australia	Record high minimum temperature	24.3 C (75.7 F)	20 of 100 (Routine)
Fulham Park	Australia	Record daily precipitation	2.5 mm (0.10 in)	20 of 100 (Routine)
Beatrice	Canada	Record high maximum temperature	23.3 C (73.9 F)	20 of 100 (Routine)
Syktyvkar	Russia	Record daily precipitation	7.4 mm (0.29 in)	20 of 100 (Routine)
Buffelsnek (Bos)	South Africa	Record daily precipitation	42.9 mm (1.7 in)	20 of 100 (Routine)
Wolfridge (Bos)	South Africa	Record daily precipitation	18.8 mm (0.7 in)	20 of 100 (Routine)
Medicine Hat A	Canada	Record daily snowfall	0.5 cm (0.2 in)	19 of 100 (Routine)
Ogdensburg 4 NE	United States	Record high maximum temperature	23.9 C (75.0 F)	19 of 100 (Routine)
Parry Sound	Canada	Record high minimum temperature	10.0 C (50.0 F)	18 of 100 (Routine)
Lucknow	Canada	Record high minimum temperature	10.0 C (50.0 F)	18 of 100 (Routine)
Brantford	Canada	Record high maximum temperature	26.1 C (79.0 F)	18 of 100 (Routine)
Oakland	United States	Record high maximum temperature	28.9 C (84.0 F)	18 of 100 (Routine)
Cooperstown	United States	Record high maximum temperature	25.0 C (77.0 F)	18 of 100 (Routine)
Mardie	Australia	Record daily precipitation	0.8 mm (0.03 in)	17 of 100 (Routine)
Mungar Junction	Australia	Record daily precipitation	44.5 mm (1.8 in)	17 of 100 (Routine)
Concord Walker Hospital	Australia	Record daily precipitation	43.4 mm (1.7 in)	17 of 100 (Routine)
Moose Jaw Chab	Canada	Record daily snowfall	0.3 cm (0.1 in)	17 of 100 (Routine)
Clontarf	Canada	Record high maximum temperature	25.6 C (78.1 F)	17 of 100 (Routine)

Counts by Type and Timescale

255 records

Records set or tied on 20 April 1931 by type: Highest daily maximum 66, Lowest daily maximum 7, Highest daily minimum 69, Lowest daily minimum 6, Heaviest daily rainfall 103, Heaviest daily snowfall 3, Deepest snow cover 1.

Records on 20 April 1931 by type
Record type	Records
Highest daily maximum	66
Lowest daily maximum	7
Highest daily minimum	69
Lowest daily minimum	6
Heaviest daily rainfall	103
Heaviest daily snowfall	3
Deepest snow cover	1

Records on 20 April 1931 by timescale: all-time 0, monthly 8, daily 247.

How Much Records Were Beaten By

195 broken records

Margins by which the 195 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 96.5. Ties are not counted.

Top 20 by Significance

20 April 1931

Top 20 records on 20 April 1931 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 April 1931	Hvar, HR	daily rain	53.0 mm (2.1 in)	39.5 mm (1.6 in)	53 years	63 of 100 (Major)
20 April 1931	Newcastle Nobbys Signal Statio, AU	daily rain	109.5 mm (4.3 in)	45.7 mm (1.8 in)	67 years	54 of 100 (Notable)
20 April 1931	Kerkeriya, IN	daily rain	100.3 mm (3.9 in)	89.9 mm (3.5 in)	24 years	50 of 100 (Notable)
20 April 1931	Kurrajong Heights (Bells Line, AU	daily rain	91.2 mm (3.6 in)	69.4 mm (2.7 in)	20 years	45 of 100 (Notable)
20 April 1931	Kiama Bowling Club, AU	daily rain	118.6 mm (4.7 in)	91.2 mm (3.6 in)	4 years	44 of 100 (Notable)
20 April 1931	Cockle Creek (Pasminco Metals), AU	daily rain	174.5 mm (6.9 in)	96.5 mm (3.8 in)	4 years	43 of 100 (Notable)
20 April 1931	Dapto West (Stane Dykes), AU	daily rain	84.6 mm (3.3 in)	64.0 mm (2.5 in)	22 years	37 of 100 (Notable)
20 April 1931	Damra, IN	monthly rain	116.3 mm (4.6 in)	27.4 mm (1.1 in)	25 years	36 of 100 (Notable)
20 April 1931	Sans Souci (Public School), AU	daily rain	72.4 mm (2.9 in)	40.1 mm (1.6 in)	13 years	32 of 100 (Routine)
20 April 1931	Helensburgh (Sawan St), AU	daily rain	95.3 mm (3.8 in)	44.2 mm (1.7 in)	36 years	32 of 100 (Routine)
20 April 1931	Zagreb-Gric, HR	daily rain	26.2 mm (1.0 in)	9.5 mm (0.37 in)	38 years	32 of 100 (Routine)
20 April 1931	Goorangoola, AU	daily rain	39.4 mm (1.6 in)	24.7 mm (1.0 in)	6 years	27 of 100 (Routine)
20 April 1931	Milton Post Office, AU	daily rain	79.0 mm (3.1 in)	56.1 mm (2.2 in)	4 years	26 of 100 (Routine)
20 April 1931	Oroville 1 N, US	monthly high min	21.1 C (70.0 F)	1.1 C (2.0 F)	34 years	26 of 100 (Routine)
20 April 1931	Table Rock 4N, US	daily rain	35.1 mm (1.4 in)	15.8 mm (0.6 in)	26 years	26 of 100 (Routine)
20 April 1931	Seven Oaks (Bellimbopinni), AU	daily rain	43.4 mm (1.7 in)	32.0 mm (1.3 in)	8 years	25 of 100 (Routine)
20 April 1931	Simcoe, CA	daily high max	26.1 C (79.0 F)	0.5 C (0.9 F)	64 years	25 of 100 (Routine)
20 April 1931	Peterborough, CA	daily high max	25.0 C (77.0 F)	0.6 C (1.1 F)	64 years	25 of 100 (Routine)
20 April 1931	Yengarie Railway Station, AU	daily rain	40.6 mm (1.6 in)	19.0 mm (0.7 in)	41 years	24 of 100 (Routine)
20 April 1931	Wollongong Post Office, AU	daily rain	62.2 mm (2.4 in)	20.8 mm (0.8 in)	36 years	24 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

1807 to 1931

Records set or tied on this calendar date in each year from 1807 to 1931. 1931 had 255 records.

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

Records on 04-20 in each year
Year	Records
1807	3
1817	1
1838	1
1849	2
1851	1
1852	4
1854	1
1858	1
1860	1
1864	1
1865	3
1868	1
1869	1
1870	1
1872	1
1874	3
1875	4
1876	1
1878	2
1880	2
1881	2
1884	1
1885	1
1886	2
1889	1
1891	2
1892	1
1893	6
1894	8
1895	7
1896	3
1897	6
1898	1
1899	1
1901	8
1902	3
1903	14
1904	31
1905	9
1906	12
1907	18
1908	14
1909	22
1910	25
1911	18
1912	12
1913	19
1914	46
1915	45
1916	19
1917	33
1918	42
1919	17
1920	49
1921	27
1922	40
1923	157
1924	113
1925	169
1926	310
1927	442
1928	212
1929	182
1930	87
1931	255
1932	166
1933	279
1934	384
1935	384
1936	311
1937	427
1938	339
1939	158
1940	519
1941	558
1942	223
1943	670
1944	304
1945	391
1946	395
1947	308
1948	493
1949	477
1950	329
1951	690
1952	552
1953	1,071
1954	377
1955	623
1956	384
1957	730
1958	327
1959	563
1960	472
1961	1,078
1962	487
1963	595
1964	749
1965	724
1966	1,174
1967	864
1968	975
1969	382
1970	948
1971	765
1972	531
1973	982
1974	673
1975	344
1976	661
1977	693
1978	800
1979	495
1980	1,539
1981	706
1982	906
1983	1,844
1984	922
1985	1,140
1986	770
1987	1,447
1988	1,144
1989	1,187
1990	1,495
1991	1,075
1992	1,009
1993	772
1994	756
1995	1,351
1996	970
1997	833
1998	1,490
1999	674
2000	931
2001	752
2002	1,081
2003	758
2004	567
2005	707
2006	859
2007	582
2008	1,110
2009	845
2010	693
2011	1,477
2012	726
2013	1,520
2014	384
2015	702
2016	650
2017	734
2018	1,309
2019	1,019
2020	449
2021	1,215
2022	596
2023	828
2024	673
2025	836
2026	533

Download the Data

Data for records on 1931-04-20: 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	174
20 to 40	12
40 to 60	4
60 to 80	2
80 to 100	3