Weather Records on 20 April 1923

157 weather records were set or tied worldwide on 20 April 1923. Highest significance: Hammond, AU.

Key Facts for 20 April 1923

On 20 April 1923, 157 weather records were set or tied at long-record stations worldwide.
99 were record highs and 13 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 1 monthly and 156 daily.
Hammond set a daily record precipitation of 35.6 mm (1.4 in) on 20 April 1923.
Across 159 earlier years (1807 to 2026) the same calendar date averaged 464 records.

Record Map

157 stations

157 station records on 20 April 1923 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 April 1923: highest significance records shown on the map
Station	Country	Type	Value	Significance
Hammond	Australia	Record daily precipitation	35.6 mm (1.4 in)	51 of 100 (Notable)
Stellenbosch (Tnk)	South Africa	Record daily precipitation	51.1 mm (2.0 in)	50 of 100 (Notable)
Mannanarie Post Office	Australia	Record daily precipitation	40.6 mm (1.6 in)	42 of 100 (Notable)
Bredasdorp	South Africa	Record daily precipitation	31.2 mm (1.2 in)	42 of 100 (Notable)
Toronto	Canada	Record high maximum temperature	27.2 C (81.0 F)	32 of 100 (Routine)
Harkerville (Bos)	South Africa	Record daily precipitation	38.1 mm (1.5 in)	32 of 100 (Routine)
Concordia ASOS	United States	Record daily precipitation	31.8 mm (1.3 in)	31 of 100 (Routine)
Knysna (Tnk)	South Africa	Record daily precipitation	30.5 mm (1.2 in)	28 of 100 (Routine)
Pointe Riche	Canada	Record daily snowfall	17.8 cm (7.0 in)	24 of 100 (Routine)
Galway	Ireland	Record low maximum temperature	8.3 C (46.9 F)	24 of 100 (Routine)
Eau Claire	United States	Record high minimum temperature	16.1 C (61.0 F)	22 of 100 (Routine)
Milwaukee Wb City	United States	Record high maximum temperature	25.0 C (77.0 F)	22 of 100 (Routine)
Pontotoc	United States	Record daily precipitation	44.7 mm (1.8 in)	21 of 100 (Routine)
Bad Muskau	Germany	Record daily precipitation	16.6 mm (0.7 in)	20 of 100 (Routine)
Oudtshoorn	South Africa	Record daily precipitation	20.6 mm (0.8 in)	20 of 100 (Routine)
Kargopol	Russia	Record daily precipitation	12.0 mm (0.5 in)	20 of 100 (Routine)
Prince Albert	Canada	Record daily precipitation	10.7 mm (0.4 in)	20 of 100 (Routine)
Ladismith (Tnk)	South Africa	Record daily precipitation	17.0 mm (0.7 in)	20 of 100 (Routine)
Alicedale	South Africa	Record daily precipitation	11.7 mm (0.5 in)	20 of 100 (Routine)
Pointe Riche	Canada	Record daily precipitation	17.8 mm (0.7 in)	20 of 100 (Routine)
Chatillon-Sur-Seine	France	Record daily precipitation	13.6 mm (0.5 in)	20 of 100 (Routine)
Caledon (Pol)	South Africa	Record daily precipitation	23.9 mm (0.9 in)	20 of 100 (Routine)
Swellendam (Tnk)	South Africa	Record daily precipitation	20.8 mm (0.8 in)	20 of 100 (Routine)
Cape Town Fire Station	South Africa	Record daily precipitation	20.3 mm (0.8 in)	20 of 100 (Routine)
Royal Observatory	South Africa	Record daily precipitation	24.8 mm (1.0 in)	20 of 100 (Routine)
Petoskey	United States	Record high minimum temperature	12.8 C (55.0 F)	20 of 100 (Routine)
Hillsboro	United States	Record high minimum temperature	15.0 C (59.0 F)	20 of 100 (Routine)
George Airport	South Africa	Record daily precipitation	30.5 mm (1.2 in)	19 of 100 (Routine)
Mt Hope	United States	Record daily precipitation	22.1 mm (0.9 in)	19 of 100 (Routine)
Pokegama Dam	United States	Record high minimum temperature	8.9 C (48.0 F)	18 of 100 (Routine)
Green Bay	United States	Record high minimum temperature	13.3 C (55.9 F)	18 of 100 (Routine)
Curnomona (Curnamona)	Australia	Record daily precipitation	1.3 mm (0.05 in)	17 of 100 (Routine)
Robertson	South Africa	Record daily precipitation	7.9 mm (0.31 in)	17 of 100 (Routine)
Durham	United Kingdom	Record low maximum temperature	6.1 C (43.0 F)	17 of 100 (Routine)
Porthill	United States	Record low maximum temperature	6.1 C (43.0 F)	17 of 100 (Routine)
Independence	United States	Record high minimum temperature	12.2 C (54.0 F)	17 of 100 (Routine)
La Crosse Wb City	United States	Record high minimum temperature	15.0 C (59.0 F)	17 of 100 (Routine)
Buffelsnek (Bos)	South Africa	Record daily precipitation	21.3 mm (0.8 in)	16 of 100 (Routine)
Belle Plaine	United States	Record high minimum temperature	12.8 C (55.0 F)	16 of 100 (Routine)
Lindsay	Canada	Record high maximum temperature	24.4 C (75.9 F)	15 of 100 (Routine)
Bloukrans (Bos)	South Africa	Record daily precipitation	19.8 mm (0.8 in)	15 of 100 (Routine)
Fayette	United States	Record high minimum temperature	12.2 C (54.0 F)	15 of 100 (Routine)
Montevideo 1SW	United States	Record high minimum temperature	14.4 C (57.9 F)	15 of 100 (Routine)
Olga 2 SE	United States	Record low minimum temperature	0.6 C (33.1 F)	15 of 100 (Routine)
Cairns Post Office	Australia	Record low maximum temperature	25.6 C (78.1 F)	14 of 100 (Routine)
Paris	Canada	Record high maximum temperature	26.1 C (79.0 F)	14 of 100 (Routine)
Kalamazoo State Hospital	United States	Record high maximum temperature	26.7 C (80.1 F)	14 of 100 (Routine)
Plymouth	United States	Record high maximum temperature	23.3 C (73.9 F)	14 of 100 (Routine)
Lake Mills Wwtp	United States	Record high maximum temperature	25.0 C (77.0 F)	14 of 100 (Routine)
Neillsville 3ESE	United States	Record high minimum temperature	13.3 C (55.9 F)	14 of 100 (Routine)
Watertown Wwtp	United States	Record high maximum temperature	25.6 C (78.1 F)	14 of 100 (Routine)
Port Augusta (Carriewerloo STN	Australia	Record daily precipitation	8.6 mm (0.34 in)	13 of 100 (Routine)
Ottawa Cda	Canada	Record high maximum temperature	23.9 C (75.0 F)	13 of 100 (Routine)
Bancroft	Canada	Record high maximum temperature	22.2 C (72.0 F)	13 of 100 (Routine)
Millwood (Bos)	South Africa	Record daily precipitation	24.1 mm (0.9 in)	13 of 100 (Routine)
Vryburg (Pol)	South Africa	Record daily precipitation	11.4 mm (0.4 in)	13 of 100 (Routine)
Waterbury	United States	Record high maximum temperature	26.7 C (80.1 F)	13 of 100 (Routine)
Horton	United States	Record high minimum temperature	15.6 C (60.1 F)	13 of 100 (Routine)
Blue Hill Coop	United States	Record high maximum temperature	25.0 C (77.0 F)	13 of 100 (Routine)
Taunton	United States	Record high maximum temperature	25.6 C (78.1 F)	13 of 100 (Routine)

Counts by Type and Timescale

157 records

Records set or tied on 20 April 1923 by type: Highest daily maximum 60, Lowest daily maximum 11, Highest daily minimum 39, Lowest daily minimum 2, Heaviest daily rainfall 44, Heaviest daily snowfall 1.

Records on 20 April 1923 by type
Record type	Records
Highest daily maximum	60
Lowest daily maximum	11
Highest daily minimum	39
Lowest daily minimum	2
Heaviest daily rainfall	44
Heaviest daily snowfall	1
Deepest snow cover	0

Records on 20 April 1923 by timescale: all-time 0, monthly 1, daily 156.

How Much Records Were Beaten By

131 broken records

Margins by which the 131 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 76.0. Ties are not counted.

Top 20 by Significance

20 April 1923

Top 20 records on 20 April 1923 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 April 1923	Hammond, AU	daily rain	35.6 mm (1.4 in)	31.0 mm (1.2 in)	28 years	51 of 100 (Notable)
20 April 1923	Stellenbosch (Tnk), ZA	daily rain	51.1 mm (2.0 in)	32.6 mm (1.3 in)	35 years	50 of 100 (Notable)
20 April 1923	Mannanarie Post Office, AU	daily rain	40.6 mm (1.6 in)	30.9 mm (1.2 in)	16 years	42 of 100 (Notable)
20 April 1923	Bredasdorp, ZA	daily rain	31.2 mm (1.2 in)	23.6 mm (0.9 in)	41 years	42 of 100 (Notable)
20 April 1923	Toronto, CA	daily high max	27.2 C (81.0 F)	6.1 C (11.0 F)	44 years	32 of 100 (Routine)
20 April 1923	Harkerville (Bos), ZA	daily rain	38.1 mm (1.5 in)	28.2 mm (1.1 in)	21 years	32 of 100 (Routine)
20 April 1923	Concordia ASOS, US	daily rain	31.8 mm (1.3 in)	20.4 mm (0.8 in)	18 years	31 of 100 (Routine)
20 April 1923	Knysna (Tnk), ZA	daily rain	30.5 mm (1.2 in)	22.4 mm (0.9 in)	5 years	28 of 100 (Routine)
20 April 1923	Pointe Riche, CA	daily snowfall	17.8 cm (7.0 in)	7.6 cm (3.0 in)	29 years	24 of 100 (Routine)
20 April 1923	Galway, IE	daily low max	8.3 C (46.9 F)	1.7 C (3.1 F)	41 years	24 of 100 (Routine)
20 April 1923	Eau Claire, US	daily high min	16.1 C (61.0 F)	6.1 C (11.0 F)	26 years	22 of 100 (Routine)
20 April 1923	Milwaukee Wb City, US	daily high max	25.0 C (77.0 F)	1.7 C (3.1 F)	50 years	22 of 100 (Routine)
20 April 1923	Pontotoc, US	daily rain	44.7 mm (1.8 in)	25.6 mm (1.0 in)	6 years	21 of 100 (Routine)
20 April 1923	Bad Muskau, DE	daily rain	16.6 mm (0.7 in)	9.6 mm (0.38 in)	20 years	20 of 100 (Routine)
20 April 1923	Oudtshoorn, ZA	daily rain	20.6 mm (0.8 in)	14.8 mm (0.6 in)	21 years	20 of 100 (Routine)
20 April 1923	Kargopol, RU	daily rain	12.0 mm (0.5 in)	3.6 mm (0.14 in)	35 years	20 of 100 (Routine)
20 April 1923	Prince Albert, CA	daily rain	10.7 mm (0.4 in)	5.6 mm (0.22 in)	33 years	20 of 100 (Routine)
20 April 1923	Ladismith (Tnk), ZA	daily rain	17.0 mm (0.7 in)	9.4 mm (0.37 in)	39 years	20 of 100 (Routine)
20 April 1923	Alicedale, ZA	daily rain	11.7 mm (0.5 in)	9.4 mm (0.37 in)	34 years	20 of 100 (Routine)
20 April 1923	Pointe Riche, CA	daily rain	17.8 mm (0.7 in)	7.6 mm (0.30 in)	29 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

1807 to 1923

Records set or tied on this calendar date in each year from 1807 to 1923. 1923 had 157 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 1923-04-20: 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 10	116
10 to 20	6
20 to 30	5
30 to 40	3
40 to 50	0
50 to 60	0
60 to 70	0
70 to 80	1