Weather Records on 20 April 1972

531 weather records were set or tied worldwide on 20 April 1972. Highest significance: Upper Sandusky, US.

Key Facts for 20 April 1972

On 20 April 1972, 531 weather records were set or tied at long-record stations worldwide.
181 were record highs and 126 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 18 monthly and 512 daily.
Upper Sandusky set a daily record precipitation of 52.3 mm (2.1 in) on 20 April 1972.
Across 159 earlier years (1807 to 2026) the same calendar date averaged 462 records.

Record Map

531 stations

531 station records on 20 April 1972 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 April 1972: highest significance records shown on the map
Station	Country	Type	Value	Significance
Upper Sandusky	United States	Record daily precipitation	52.3 mm (2.1 in)	62 of 100 (Major)
Wrangell AP	United States	Record daily snowfall	12.7 cm (5.0 in)	61 of 100 (Major)
Martins	Brazil	Record daily precipitation	156.0 mm (6.1 in)	55 of 100 (Notable)
Marion 2 N	United States	Record daily precipitation	76.2 mm (3.0 in)	50 of 100 (Notable)
Sidell 4N	United States	Record daily precipitation	67.1 mm (2.6 in)	48 of 100 (Notable)
Caico	Brazil	Record daily precipitation	119.0 mm (4.7 in)	46 of 100 (Notable)
Prospect	United States	Record daily precipitation	48.3 mm (1.9 in)	46 of 100 (Notable)
Boonville	United States	Record daily precipitation	55.9 mm (2.2 in)	45 of 100 (Notable)
Acude Santo Antonio de Russas	Brazil	Record daily precipitation	60.8 mm (2.4 in)	44 of 100 (Notable)
Acude Ema	Brazil	Record daily precipitation	139.6 mm (5.5 in)	43 of 100 (Notable)
Valemount	Canada	Record daily snowfall	16.8 cm (6.6 in)	43 of 100 (Notable)
Fulton	United States	Record daily precipitation	48.3 mm (1.9 in)	43 of 100 (Notable)
Marseilles-Marignane	France	Record daily precipitation	37.6 mm (1.5 in)	42 of 100 (Notable)
Kokomo 3 WSW	United States	Record daily precipitation	57.2 mm (2.3 in)	41 of 100 (Notable)
Yates Ctr	United States	Record daily precipitation	43.7 mm (1.7 in)	41 of 100 (Notable)
Nova Russas	Brazil	Record daily precipitation	95.0 mm (3.7 in)	40 of 100 (Notable)
Bucyrus	United States	Record daily precipitation	57.4 mm (2.3 in)	40 of 100 (Notable)
Charles Mill Lake	United States	Record daily precipitation	49.8 mm (2.0 in)	40 of 100 (Notable)
Duncan	United States	Record daily precipitation	71.1 mm (2.8 in)	40 of 100 (Notable)
Ibimirim (Jeritaco)	Brazil	Record daily precipitation	125.0 mm (4.9 in)	39 of 100 (Notable)
Marseille Obs. Palais-Lonchamp	France	Record daily precipitation	28.1 mm (1.1 in)	39 of 100 (Notable)
Barras	Brazil	Record daily precipitation	95.0 mm (3.7 in)	38 of 100 (Notable)
Langara	Canada	Record daily snowfall	12.4 cm (4.9 in)	37 of 100 (Notable)
Akron	United States	Record daily precipitation	41.9 mm (1.6 in)	37 of 100 (Notable)
St Marys 3 W	United States	Record daily precipitation	57.4 mm (2.3 in)	37 of 100 (Notable)
Schenectady	United States	Record daily precipitation	42.2 mm (1.7 in)	37 of 100 (Notable)
Moran	United States	Record daily precipitation	37.6 mm (1.5 in)	36 of 100 (Notable)
Kane 1NNE	United States	Record high minimum temperature	11.7 C (53.1 F)	36 of 100 (Notable)
Marcelino Vieira (Panatis)	Brazil	Record daily precipitation	68.3 mm (2.7 in)	35 of 100 (Notable)
Blue River North	Canada	Record daily snowfall	7.9 cm (3.1 in)	34 of 100 (Routine)
Waterloo 6SW	United States	Record daily precipitation	37.8 mm (1.5 in)	34 of 100 (Routine)
College Park	United States	Record high minimum temperature	18.9 C (66.0 F)	34 of 100 (Routine)
Luiz Correia	Brazil	Record daily precipitation	105.4 mm (4.1 in)	33 of 100 (Routine)
Sao Joao Do Jaguaribe	Brazil	Record daily precipitation	81.8 mm (3.2 in)	33 of 100 (Routine)
Warrenton 1 N	United States	Record daily precipitation	36.8 mm (1.4 in)	33 of 100 (Routine)
La Rue	United States	Record daily precipitation	55.1 mm (2.2 in)	33 of 100 (Routine)
Staunton Wtp	United States	Record high minimum temperature	16.7 C (62.1 F)	33 of 100 (Routine)
Sao Raimundo Nonato	Brazil	Record daily precipitation	25.5 mm (1.0 in)	32 of 100 (Routine)
Jersey City	United States	Record daily precipitation	34.3 mm (1.4 in)	32 of 100 (Routine)
Ashland 2 SW	United States	Record daily precipitation	51.6 mm (2.0 in)	32 of 100 (Routine)
Bartlesville Muni AP	United States	Record daily precipitation	61.0 mm (2.4 in)	32 of 100 (Routine)
Ekaterinburg	Russia	Record high minimum temperature	9.8 C (49.6 F)	31 of 100 (Routine)
San Jacinto	United States	Record low minimum temperature	-1.7 C (28.9 F)	31 of 100 (Routine)
Milford 2 SE	United States	Record high minimum temperature	17.2 C (63.0 F)	31 of 100 (Routine)
Paris 5 S	United States	Record daily precipitation	43.2 mm (1.7 in)	31 of 100 (Routine)
Sidney 2 N	United States	Record daily precipitation	42.9 mm (1.7 in)	31 of 100 (Routine)
Putnam	United States	Record daily precipitation	36.8 mm (1.4 in)	31 of 100 (Routine)
Kokpekty	Kazakhstan	Record low minimum temperature	-14.6 C (5.7 F)	30 of 100 (Routine)
San Sebastian - Igueldo	Spain	Record daily precipitation	41.4 mm (1.6 in)	30 of 100 (Routine)
Livermore	United States	Record low minimum temperature	0.0 C (32.0 F)	30 of 100 (Routine)
Springfield	United States	Record daily precipitation	29.7 mm (1.2 in)	30 of 100 (Routine)
Cassville 1 NE	United States	Record daily precipitation	38.4 mm (1.5 in)	30 of 100 (Routine)
Albany	United States	Record daily precipitation	31.8 mm (1.3 in)	30 of 100 (Routine)
Fort Huachuca	United States	Record low maximum temperature	16.1 C (61.0 F)	30 of 100 (Routine)
McBride 4SE	Canada	Record daily snowfall	18.3 cm (7.2 in)	29 of 100 (Routine)
Ust-Maja	Russia	Record high minimum temperature	3.5 C (38.3 F)	29 of 100 (Routine)
Ringwood	United States	Record daily precipitation	33.8 mm (1.3 in)	29 of 100 (Routine)
Hollow	United States	Record daily precipitation	60.5 mm (2.4 in)	29 of 100 (Routine)
Little Port Walter	United States	Record daily snowfall	15.2 cm (6.0 in)	29 of 100 (Routine)
Upanema (Dnocs)	Brazil	Record daily precipitation	52.1 mm (2.1 in)	28 of 100 (Routine)

Counts by Type and Timescale

531 records

Records set or tied on 20 April 1972 by type: Highest daily maximum 51, Lowest daily maximum 48, Highest daily minimum 130, Lowest daily minimum 78, Heaviest daily rainfall 198, Heaviest daily snowfall 19, Deepest snow cover 7.

Records on 20 April 1972 by type
Record type	Records
Highest daily maximum	51
Lowest daily maximum	48
Highest daily minimum	130
Lowest daily minimum	78
Heaviest daily rainfall	198
Heaviest daily snowfall	19
Deepest snow cover	7

Records on 20 April 1972 by timescale: all-time 1, monthly 18, daily 512.

How Much Records Were Beaten By

412 broken records

Margins by which the 412 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 280.0. Ties are not counted.

Top 20 by Significance

20 April 1972

Top 20 records on 20 April 1972 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 April 1972	Upper Sandusky, US	daily rain	52.3 mm (2.1 in)	28.2 mm (1.1 in)	75 years	62 of 100 (Major)
20 April 1972	Wrangell AP, US	daily snowfall	12.7 cm (5.0 in)	12.7 cm (5.0 in)	54 years	61 of 100 (Major)
20 April 1972	Martins, BR	daily rain	156.0 mm (6.1 in)	107.5 mm (4.2 in)	33 years	55 of 100 (Notable)
20 April 1972	Marion 2 N, US	daily rain	76.2 mm (3.0 in)	44.7 mm (1.8 in)	8 years	50 of 100 (Notable)
20 April 1972	Sidell 4N, US	daily rain	67.1 mm (2.6 in)	30.0 mm (1.2 in)	54 years	48 of 100 (Notable)
20 April 1972	Caico, BR	daily rain	119.0 mm (4.7 in)	58.0 mm (2.3 in)	24 years	46 of 100 (Notable)
20 April 1972	Prospect, US	daily rain	48.3 mm (1.9 in)	26.2 mm (1.0 in)	32 years	46 of 100 (Notable)
20 April 1972	Boonville, US	daily rain	55.9 mm (2.2 in)	38.4 mm (1.5 in)	34 years	45 of 100 (Notable)
20 April 1972	Acude Santo Antonio de Russas, BR	daily rain	60.8 mm (2.4 in)	28.7 mm (1.1 in)	59 years	44 of 100 (Notable)
20 April 1972	Acude Ema, BR	monthly rain	139.6 mm (5.5 in)	41.6 mm (1.6 in)	19 years	43 of 100 (Notable)
20 April 1972	Valemount, CA	daily snowfall	16.8 cm (6.6 in)	11.7 cm (4.6 in)	40 years	43 of 100 (Notable)
20 April 1972	Fulton, US	daily rain	48.3 mm (1.9 in)	22.4 mm (0.9 in)	54 years	43 of 100 (Notable)
20 April 1972	Marseilles-Marignane, FR	daily rain	37.6 mm (1.5 in)	18.8 mm (0.7 in)	49 years	42 of 100 (Notable)
20 April 1972	Kokomo 3 WSW, US	daily rain	57.2 mm (2.3 in)	14.8 mm (0.6 in)	67 years	41 of 100 (Notable)
20 April 1972	Yates Ctr, US	daily rain	43.7 mm (1.7 in)	27.4 mm (1.1 in)	49 years	41 of 100 (Notable)
20 April 1972	Nova Russas, BR	daily rain	95.0 mm (3.7 in)	38.8 mm (1.5 in)	44 years	40 of 100 (Notable)
20 April 1972	Bucyrus, US	daily rain	57.4 mm (2.3 in)	19.3 mm (0.8 in)	32 years	40 of 100 (Notable)
20 April 1972	Charles Mill Lake, US	daily rain	49.8 mm (2.0 in)	22.4 mm (0.9 in)	32 years	40 of 100 (Notable)
20 April 1972	Duncan, US	daily rain	71.1 mm (2.8 in)	36.8 mm (1.4 in)	35 years	40 of 100 (Notable)
20 April 1972	Ibimirim (Jeritaco), BR	all-time rain	125.0 mm (4.9 in)	12.3 mm (0.5 in)	32 years	39 of 100 (Notable)

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 1972

Records set or tied on this calendar date in each year from 1807 to 1972. 1972 had 531 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 1972-04-20: 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 2026-10-16. Last revised 16 October 2026 (2026-10-16).

Margin	Records
0 to 50	399
50 to 100	4
100 to 150	6
150 to 200	1
200 to 250	1
250 to 300	1