Weather Records on 23 April 1939

339 weather records were set or tied worldwide on 23 April 1939. Highest significance: Cape York Post Office, AU.

Key Facts for 23 April 1939

On 23 April 1939, 339 weather records were set or tied at long-record stations worldwide.
253 were record highs and 23 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 15 monthly and 324 daily.
Cape York Post Office set a daily record precipitation of 159.0 mm (6.3 in) on 23 April 1939.
Across 167 earlier years (1800 to 2026) the same calendar date averaged 445 records.

Record Map

339 stations

339 station records on 23 April 1939 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 23 April 1939: highest significance records shown on the map
Station	Country	Type	Value	Significance
Cape York Post Office	Australia	Record daily precipitation	159.0 mm (6.3 in)	48 of 100 (Notable)
Salem	India	Record daily precipitation	54.1 mm (2.1 in)	33 of 100 (Routine)
Paauilo 221	United States	Record daily precipitation	122.7 mm (4.8 in)	26 of 100 (Routine)
Perth Regional Office	Australia	Record low minimum temperature	5.2 C (41.4 F)	24 of 100 (Routine)
Wandering Comparison	Australia	Record low minimum temperature	-1.4 C (29.5 F)	24 of 100 (Routine)
Periyanaickampal	India	Record daily precipitation	50.8 mm (2.0 in)	24 of 100 (Routine)
Mayaguez City	Puerto Rico [United States]	Record low maximum temperature	27.2 C (81.0 F)	24 of 100 (Routine)
De Sabla	United States	Record daily precipitation	43.2 mm (1.7 in)	24 of 100 (Routine)
Chengam	India	Record daily precipitation	42.4 mm (1.7 in)	23 of 100 (Routine)
Waterdale	United States	Record high minimum temperature	13.3 C (55.9 F)	23 of 100 (Routine)
Westcliffe	United States	Record high minimum temperature	7.8 C (46.0 F)	23 of 100 (Routine)
Castlewood	United States	Record high maximum temperature	31.7 C (89.1 F)	23 of 100 (Routine)
Yercaud	India	Record daily precipitation	52.1 mm (2.1 in)	22 of 100 (Routine)
Two Buttes	United States	Record high minimum temperature	14.4 C (57.9 F)	22 of 100 (Routine)
O'Neill	United States	Record high minimum temperature	19.4 C (66.9 F)	22 of 100 (Routine)
De Smet	United States	Record high maximum temperature	32.8 C (91.0 F)	22 of 100 (Routine)
Eraniel	India	Record daily precipitation	50.0 mm (2.0 in)	21 of 100 (Routine)
Williams	United States	Record high minimum temperature	9.4 C (48.9 F)	21 of 100 (Routine)
Morris W Cntrl Rsch & Outreach	United States	Record high maximum temperature	29.4 C (84.9 F)	21 of 100 (Routine)
W Pt	United States	Record high maximum temperature	32.8 C (91.0 F)	21 of 100 (Routine)
Clark	United States	Record high maximum temperature	31.1 C (88.0 F)	21 of 100 (Routine)
Kazan	Russia	Record daily precipitation	17.4 mm (0.7 in)	20 of 100 (Routine)
Langley	Australia	Record daily precipitation	22.9 mm (0.9 in)	20 of 100 (Routine)
Uardry 2 Out Station	Australia	Record daily precipitation	21.8 mm (0.9 in)	20 of 100 (Routine)
Roto Station	Australia	Record daily precipitation	18.8 mm (0.7 in)	20 of 100 (Routine)
Bratsk	Russia	Record daily precipitation	5.2 mm (0.20 in)	20 of 100 (Routine)
Shenkursk	Russia	Record daily precipitation	11.8 mm (0.5 in)	20 of 100 (Routine)
Jumping Sand Hill Well	Australia	Record daily precipitation	20.6 mm (0.8 in)	20 of 100 (Routine)
Wallandool	Australia	Record daily precipitation	17.8 mm (0.7 in)	20 of 100 (Routine)
Grong Grong (Berembed)	Australia	Record daily precipitation	21.6 mm (0.9 in)	20 of 100 (Routine)
McGill	United States	Record daily precipitation	11.2 mm (0.4 in)	20 of 100 (Routine)
Thursday Island Township	Australia	Record daily precipitation	57.4 mm (2.3 in)	20 of 100 (Routine)
Harur	India	Record daily precipitation	18.0 mm (0.7 in)	20 of 100 (Routine)
Rock Rapids	United States	Record high maximum temperature	30.6 C (87.1 F)	20 of 100 (Routine)
Ulysses 3NE	United States	Record high maximum temperature	34.4 C (93.9 F)	20 of 100 (Routine)
Paauhau 217	United States	Record daily precipitation	57.2 mm (2.3 in)	20 of 100 (Routine)
Donnybrook	Australia	Record low minimum temperature	0.0 C (32.0 F)	19 of 100 (Routine)
Wunnamurra	Australia	Record daily precipitation	12.7 mm (0.5 in)	19 of 100 (Routine)
Darsi	India	Record daily precipitation	21.6 mm (0.9 in)	19 of 100 (Routine)
Horton	United States	Record high maximum temperature	31.7 C (89.1 F)	19 of 100 (Routine)
Beardsley	United States	Record high maximum temperature	28.9 C (84.0 F)	19 of 100 (Routine)
Lodgepole	United States	Record high maximum temperature	29.4 C (84.9 F)	19 of 100 (Routine)
Ravenna	United States	Record high maximum temperature	36.1 C (97.0 F)	19 of 100 (Routine)
Mott	United States	Record high minimum temperature	9.4 C (48.9 F)	19 of 100 (Routine)
Flandreau	United States	Record high maximum temperature	31.1 C (88.0 F)	19 of 100 (Routine)
Park City G.C.	United States	Record high minimum temperature	10.0 C (50.0 F)	19 of 100 (Routine)
Bridgetown Comparison	Australia	Record low minimum temperature	-1.6 C (29.1 F)	18 of 100 (Routine)
Carabost	Australia	Record daily precipitation	24.4 mm (1.0 in)	18 of 100 (Routine)
Mildura Post Office	Australia	Record high minimum temperature	17.2 C (63.0 F)	18 of 100 (Routine)
Cooma	Australia	Record daily precipitation	11.2 mm (0.4 in)	18 of 100 (Routine)
Venukonda	India	Record daily precipitation	62.0 mm (2.4 in)	18 of 100 (Routine)
Kundha (Kailkund)	India	Record daily precipitation	27.9 mm (1.1 in)	18 of 100 (Routine)
Troicko-Pecherskoe	Russia	Record daily precipitation	7.6 mm (0.30 in)	18 of 100 (Routine)
Buckeye	United States	Record high minimum temperature	18.9 C (66.0 F)	18 of 100 (Routine)
Tuba City	United States	Record high minimum temperature	19.4 C (66.9 F)	18 of 100 (Routine)
Burr Oak 4S	United States	Record high maximum temperature	35.6 C (96.1 F)	18 of 100 (Routine)
Emporia 1 S	United States	Record high maximum temperature	32.8 C (91.0 F)	18 of 100 (Routine)
St Joseph	United States	Record high minimum temperature	16.1 C (61.0 F)	18 of 100 (Routine)
Albert Lea 3SE	United States	Record high maximum temperature	26.7 C (80.1 F)	18 of 100 (Routine)
Oregon	United States	Record high maximum temperature	31.1 C (88.0 F)	18 of 100 (Routine)

Counts by Type and Timescale

339 records

Records set or tied on 23 April 1939 by type: Highest daily maximum 186, Lowest daily maximum 9, Highest daily minimum 67, Lowest daily minimum 14, Heaviest daily rainfall 62, Heaviest daily snowfall 1.

Records on 23 April 1939 by type
Record type	Records
Highest daily maximum	186
Lowest daily maximum	9
Highest daily minimum	67
Lowest daily minimum	14
Heaviest daily rainfall	62
Heaviest daily snowfall	1
Deepest snow cover	0

Records on 23 April 1939 by timescale: all-time 0, monthly 15, daily 324.

How Much Records Were Beaten By

278 broken records

Margins by which the 278 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 88.4. Ties are not counted.

Top 20 by Significance

23 April 1939

Top 20 records on 23 April 1939 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
23 April 1939	Cape York Post Office, AU	daily rain	159.0 mm (6.3 in)	88.4 mm (3.5 in)	48 years	48 of 100 (Notable)
23 April 1939	Salem, IN	daily rain	54.1 mm (2.1 in)	38.1 mm (1.5 in)	0 years	33 of 100 (Routine)
23 April 1939	Paauilo 221, US	daily rain	122.7 mm (4.8 in)	56.2 mm (2.2 in)	28 years	26 of 100 (Routine)
23 April 1939	Perth Regional Office, AU	daily low min	5.2 C (41.4 F)	3.4 C (6.1 F)	32 years	24 of 100 (Routine)
23 April 1939	Wandering Comparison, AU	monthly low min	-1.4 C (29.5 F)	0.4 C (0.7 F)	35 years	24 of 100 (Routine)
23 April 1939	Periyanaickampal, IN	daily rain	50.8 mm (2.0 in)	29.2 mm (1.1 in)	4 years	24 of 100 (Routine)
23 April 1939	Mayaguez City, PR	daily low max	27.2 C (81.0 F)	1.7 C (3.1 F)	34 years	24 of 100 (Routine)
23 April 1939	De Sabla, US	daily rain	43.2 mm (1.7 in)	24.1 mm (0.9 in)	32 years	24 of 100 (Routine)
23 April 1939	Chengam, IN	daily rain	42.4 mm (1.7 in)	24.6 mm (1.0 in)	17 years	23 of 100 (Routine)
23 April 1939	Waterdale, US	monthly high min	13.3 C (55.9 F)	1.1 C (2.0 F)	28 years	23 of 100 (Routine)
23 April 1939	Westcliffe, US	daily high min	7.8 C (46.0 F)	3.4 C (6.1 F)	42 years	23 of 100 (Routine)
23 April 1939	Castlewood, US	daily high max	31.7 C (89.1 F)	4.5 C (8.1 F)	43 years	23 of 100 (Routine)
23 April 1939	Yercaud, IN	daily rain	52.1 mm (2.1 in)	18.1 mm (0.7 in)	21 years	22 of 100 (Routine)
23 April 1939	Two Buttes, US	daily high min	14.4 C (57.9 F)	5.0 C (9.0 F)	24 years	22 of 100 (Routine)
23 April 1939	O'Neill, US	monthly high min	19.4 C (66.9 F)	3.3 C (5.9 F)	7 years	22 of 100 (Routine)
23 April 1939	De Smet, US	daily high max	32.8 C (91.0 F)	4.5 C (8.1 F)	44 years	22 of 100 (Routine)
23 April 1939	Eraniel, IN	daily rain	50.0 mm (2.0 in)	25.9 mm (1.0 in)	8 years	21 of 100 (Routine)
23 April 1939	Williams, US	daily high min	9.4 C (48.9 F)	3.8 C (6.8 F)	28 years	21 of 100 (Routine)
23 April 1939	Morris W Cntrl Rsch & Outreach, US	daily high max	29.4 C (84.9 F)	2.2 C (4.0 F)	43 years	21 of 100 (Routine)
23 April 1939	W Pt, US	daily high max	32.8 C (91.0 F)	3.4 C (6.1 F)	43 years	21 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

1800 to 1939

Records set or tied on this calendar date in each year from 1800 to 1939. 1939 had 339 records.

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

Records on 04-23 in each year
Year	Records
1800	1
1809	1
1812	1
1817	3
1838	1
1840	1
1842	1
1851	1
1852	2
1854	1
1855	5
1857	2
1859	1
1861	1
1865	1
1868	2
1870	1
1872	1
1873	4
1874	4
1875	1
1877	1
1878	1
1879	1
1881	2
1882	1
1883	2
1884	3
1885	4
1886	4
1888	1
1889	1
1890	4
1891	2
1892	1
1893	2
1895	3
1896	4
1897	2
1898	1
1899	6
1900	4
1901	9
1902	12
1903	20
1904	8
1905	7
1906	23
1907	12
1908	14
1909	28
1910	35
1911	21
1912	29
1913	40
1914	71
1915	41
1916	35
1917	37
1918	92
1919	66
1920	75
1921	81
1922	45
1923	132
1924	111
1925	506
1926	124
1927	562
1928	302
1929	103
1930	487
1931	506
1932	231
1933	361
1934	272
1935	152
1936	342
1937	321
1938	177
1939	339
1940	319
1941	277
1942	473
1943	819
1944	678
1945	364
1946	649
1947	242
1948	401
1949	401
1950	577
1951	426
1952	500
1953	300
1954	548
1955	654
1956	581
1957	623
1958	649
1959	442
1960	1,648
1961	884
1962	389
1963	801
1964	958
1965	660
1966	386
1967	1,183
1968	816
1969	705
1970	1,209
1971	508
1972	332
1973	518
1974	486
1975	411
1976	386
1977	979
1978	523
1979	554
1980	1,460
1981	1,124
1982	1,191
1983	1,031
1984	971
1985	1,011
1986	1,541
1987	676
1988	1,051
1989	1,469
1990	1,077
1991	638
1992	592
1993	1,256
1994	666
1995	1,464
1996	1,520
1997	1,024
1998	1,446
1999	1,198
2000	1,003
2001	1,435
2002	971
2003	557
2004	610
2005	940
2006	839
2007	847
2008	775
2009	920
2010	1,040
2011	1,190
2012	1,796
2013	1,655
2014	362
2015	511
2016	542
2017	474
2018	684
2019	668
2020	564
2021	562
2022	692
2023	980
2024	583
2025	410
2026	503

Download the Data

Data for records on 1939-04-23: 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	267
20 to 40	9
40 to 60	1
60 to 80	0
80 to 100	1