Weather Records on 20 April 1952

552 weather records were set or tied worldwide on 20 April 1952. Highest significance: Antenor Navarro, BR.

Key Facts for 20 April 1952

On 20 April 1952, 552 weather records were set or tied at long-record stations worldwide.
320 were record highs and 39 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 15 monthly and 536 daily.
Antenor Navarro set a daily record precipitation of 137.8 mm (5.4 in) on 20 April 1952.
Across 159 earlier years (1807 to 2026) the same calendar date averaged 461 records.

Record Map

552 stations

552 station records on 20 April 1952 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 April 1952: highest significance records shown on the map
Station	Country	Type	Value	Significance
Antenor Navarro	Brazil	Record daily precipitation	137.8 mm (5.4 in)	53 of 100 (Notable)
Calcutta/Barracks	India	Record daily precipitation	84.6 mm (3.3 in)	48 of 100 (Notable)
Larned	United States	Record daily precipitation	86.9 mm (3.4 in)	47 of 100 (Notable)
Pachet(Kharai)	India	Record daily precipitation	50.8 mm (2.0 in)	43 of 100 (Notable)
Mahespur	India	Record daily precipitation	79.5 mm (3.1 in)	40 of 100 (Notable)
Florence	United States	Record daily precipitation	25.9 mm (1.0 in)	38 of 100 (Notable)
American Falls 6 NE	United States	Record daily snowfall	7.6 cm (3.0 in)	38 of 100 (Notable)
Gisela	United States	Record daily precipitation	26.4 mm (1.0 in)	37 of 100 (Notable)
Globe Rs	United States	Record daily precipitation	27.4 mm (1.1 in)	36 of 100 (Notable)
Middletown 4 W	United States	Record high minimum temperature	17.2 C (63.0 F)	35 of 100 (Notable)
Leipzig-Holzhausen	Germany	Record high maximum temperature	23.7 C (74.7 F)	34 of 100 (Routine)
Kalna	India	Record daily precipitation	76.2 mm (3.0 in)	33 of 100 (Routine)
Pombal	Brazil	Record daily precipitation	35.3 mm (1.4 in)	32 of 100 (Routine)
Vestervig	Denmark	Record high minimum temperature	7.5 C (45.5 F)	32 of 100 (Routine)
Bongaon	India	Record daily precipitation	68.3 mm (2.7 in)	31 of 100 (Routine)
Ludington 4 SE	United States	Record high minimum temperature	11.7 C (53.1 F)	31 of 100 (Routine)
Altus Irig Rsch STN	United States	Record daily precipitation	40.9 mm (1.6 in)	31 of 100 (Routine)
Madison Wb City	United States	Record high minimum temperature	12.8 C (55.0 F)	31 of 100 (Routine)
Afogados da Ingazeira (Dnocs)	Brazil	Record daily precipitation	47.4 mm (1.9 in)	30 of 100 (Routine)
Ridgetown	Canada	Record high maximum temperature	26.1 C (79.0 F)	30 of 100 (Routine)
Kerrville	United States	Record daily precipitation	53.3 mm (2.1 in)	30 of 100 (Routine)
Escanaba	United States	Record high minimum temperature	6.7 C (44.1 F)	30 of 100 (Routine)
Sao Miguel	Brazil	Record daily precipitation	70.0 mm (2.8 in)	29 of 100 (Routine)
Russell	Canada	Record high minimum temperature	8.9 C (48.0 F)	29 of 100 (Routine)
Madison Wb City	United States	Record high maximum temperature	26.7 C (80.1 F)	29 of 100 (Routine)
Tacambaro	Mexico	Record low maximum temperature	23.3 C (73.9 F)	28 of 100 (Routine)
Healdton 3 E	United States	Record daily precipitation	30.5 mm (1.2 in)	28 of 100 (Routine)
Tucson WFO	United States	Record daily precipitation	27.9 mm (1.1 in)	27 of 100 (Routine)
Hillsboro	United States	Record high maximum temperature	27.8 C (82.0 F)	27 of 100 (Routine)
Pereiro	Brazil	Record daily precipitation	122.0 mm (4.8 in)	26 of 100 (Routine)
Canelo 1 NW	United States	Record daily precipitation	27.4 mm (1.1 in)	26 of 100 (Routine)
Amherst	United States	Record high minimum temperature	15.6 C (60.1 F)	26 of 100 (Routine)
Chestnut Hill	United States	Record high minimum temperature	16.7 C (62.1 F)	26 of 100 (Routine)
Fall River	United States	Record high minimum temperature	14.4 C (57.9 F)	26 of 100 (Routine)
Lake City Exp Farm	United States	Record high minimum temperature	9.4 C (48.9 F)	26 of 100 (Routine)
Shawano 2SSW	United States	Record high maximum temperature	28.3 C (82.9 F)	26 of 100 (Routine)
Ringarooma (Charles Street)	Australia	Record daily precipitation	38.6 mm (1.5 in)	25 of 100 (Routine)
Gardiner	United States	Record high minimum temperature	10.0 C (50.0 F)	25 of 100 (Routine)
New Bedford Coop	United States	Record high minimum temperature	12.2 C (54.0 F)	25 of 100 (Routine)
Durham	United States	Record high minimum temperature	13.9 C (57.0 F)	25 of 100 (Routine)
Gloversville	United States	Record high minimum temperature	12.8 C (55.0 F)	25 of 100 (Routine)
Ithaca Cornell UNIV	United States	Record high minimum temperature	13.9 C (57.0 F)	25 of 100 (Routine)
Hannah 2 N	United States	Record high maximum temperature	29.4 C (84.9 F)	25 of 100 (Routine)
Manitowoc	United States	Record high maximum temperature	24.4 C (75.9 F)	25 of 100 (Routine)
Sheboygan	United States	Record high minimum temperature	11.7 C (53.1 F)	25 of 100 (Routine)
Canguaretama	Brazil	Record daily precipitation	54.7 mm (2.2 in)	24 of 100 (Routine)
Le Bourget	France	Record high minimum temperature	13.2 C (55.8 F)	24 of 100 (Routine)
Hohenpeissenberg	Germany	Record high maximum temperature	18.0 C (64.4 F)	24 of 100 (Routine)
Potkabari	India	Record daily precipitation	40.9 mm (1.6 in)	24 of 100 (Routine)
Colchester 2 W	United States	Record high minimum temperature	15.6 C (60.1 F)	24 of 100 (Routine)
Sigourney	United States	Record high minimum temperature	14.4 C (57.9 F)	24 of 100 (Routine)
Blue Hill Coop	United States	Record high minimum temperature	15.0 C (59.0 F)	24 of 100 (Routine)
West Bend	United States	Record high maximum temperature	25.6 C (78.1 F)	24 of 100 (Routine)
Milesovka	Czech Republic	Record high maximum temperature	21.7 C (71.1 F)	23 of 100 (Routine)
Sonamarg &	India	Record daily precipitation	48.3 mm (1.9 in)	23 of 100 (Routine)
Bedford	United States	Record high minimum temperature	12.8 C (55.0 F)	23 of 100 (Routine)
Framingham	United States	Record high minimum temperature	15.0 C (59.0 F)	23 of 100 (Routine)
Big Rapids Wtp	United States	Record high maximum temperature	26.7 C (80.1 F)	23 of 100 (Routine)
Hart 3 WSW	United States	Record high maximum temperature	25.6 C (78.1 F)	23 of 100 (Routine)
Bemidji	United States	Record high maximum temperature	26.7 C (80.1 F)	23 of 100 (Routine)

Counts by Type and Timescale

552 records

Records set or tied on 20 April 1952 by type: Highest daily maximum 154, Lowest daily maximum 20, Highest daily minimum 166, Lowest daily minimum 19, Heaviest daily rainfall 187, Heaviest daily snowfall 4, Deepest snow cover 2.

Records on 20 April 1952 by type
Record type	Records
Highest daily maximum	154
Lowest daily maximum	20
Highest daily minimum	166
Lowest daily minimum	19
Heaviest daily rainfall	187
Heaviest daily snowfall	4
Deepest snow cover	2

Records on 20 April 1952 by timescale: all-time 1, monthly 15, daily 536.

How Much Records Were Beaten By

438 broken records

Margins by which the 438 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 127.0. Ties are not counted.

Top 20 by Significance

20 April 1952

Top 20 records on 20 April 1952 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 April 1952	Antenor Navarro, BR	daily rain	137.8 mm (5.4 in)	89.1 mm (3.5 in)	32 years	53 of 100 (Notable)
20 April 1952	Calcutta/Barracks, IN	daily rain	84.6 mm (3.3 in)	68.9 mm (2.7 in)	11 years	48 of 100 (Notable)
20 April 1952	Larned, US	daily rain	86.9 mm (3.4 in)	69.1 mm (2.7 in)	8 years	47 of 100 (Notable)
20 April 1952	Pachet(Kharai), IN	daily rain	50.8 mm (2.0 in)	48.8 mm (1.9 in)	41 years	43 of 100 (Notable)
20 April 1952	Mahespur, IN	monthly rain	79.5 mm (3.1 in)	23.6 mm (0.9 in)	10 years	40 of 100 (Notable)
20 April 1952	Florence, US	daily rain	25.9 mm (1.0 in)	24.9 mm (1.0 in)	1 year	38 of 100 (Notable)
20 April 1952	American Falls 6 NE, US	daily snowfall	7.6 cm (3.0 in)	7.6 cm (3.0 in)	58 years	38 of 100 (Notable)
20 April 1952	Gisela, US	daily rain	26.4 mm (1.0 in)	24.9 mm (1.0 in)	19 years	37 of 100 (Notable)
20 April 1952	Globe Rs, US	daily rain	27.4 mm (1.1 in)	20.0 mm (0.8 in)	1 year	36 of 100 (Notable)
20 April 1952	Middletown 4 W, US	monthly high min	17.2 C (63.0 F)	1.1 C (2.0 F)	56 years	35 of 100 (Notable)
20 April 1952	Leipzig-Holzhausen, DE	daily high max	23.7 C (74.7 F)	0.2 C (0.4 F)	84 years	34 of 100 (Routine)
20 April 1952	Kalna, IN	daily rain	76.2 mm (3.0 in)	24.1 mm (0.9 in)	41 years	33 of 100 (Routine)
20 April 1952	Pombal, BR	daily rain	35.3 mm (1.4 in)	25.9 mm (1.0 in)	39 years	32 of 100 (Routine)
20 April 1952	Vestervig, DK	daily high min	7.5 C (45.5 F)	0.9 C (1.6 F)	75 years	32 of 100 (Routine)
20 April 1952	Bongaon, IN	daily rain	68.3 mm (2.7 in)	28.9 mm (1.1 in)	34 years	31 of 100 (Routine)
20 April 1952	Ludington 4 SE, US	daily high min	11.7 C (53.1 F)	5.6 C (10.1 F)	44 years	31 of 100 (Routine)
20 April 1952	Altus Irig Rsch STN, US	daily rain	40.9 mm (1.6 in)	22.6 mm (0.9 in)	29 years	31 of 100 (Routine)
20 April 1952	Madison Wb City, US	daily high min	12.8 C (55.0 F)	0.6 C (1.1 F)	75 years	31 of 100 (Routine)
20 April 1952	Afogados da Ingazeira (Dnocs), BR	daily rain	47.4 mm (1.9 in)	26.7 mm (1.1 in)	34 years	30 of 100 (Routine)
20 April 1952	Ridgetown, CA	daily high max	26.1 C (79.0 F)	3.3 C (5.9 F)	65 years	30 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 1952

Records set or tied on this calendar date in each year from 1807 to 1952. 1952 had 552 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 1952-04-20: 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	415
20 to 40	17
40 to 60	1
60 to 80	3
80 to 100	1
100 to 120	0
120 to 140	1