Weather Records on 4 May 2020

504 weather records were set or tied worldwide on 4 May 2020. Highest significance: Cluj Napoca, RO.

Key Facts for 4 May 2020

On 4 May 2020, 504 weather records were set or tied at long-record stations worldwide.
323 were record highs and 61 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 17 monthly and 487 daily.
Cluj Napoca set a daily record precipitation of 27.2 mm (1.1 in) on 4 May 2020.
Across 163 earlier years (1795 to 2026) the same calendar date averaged 430 records.

Record Map

504 stations

504 station records on 4 May 2020 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 4 May 2020: highest significance records shown on the map
Station	Country	Type	Value	Significance
Cluj Napoca	Romania	Record daily precipitation	27.2 mm (1.1 in)	57 of 100 (Notable)
Highmore	United States	Record daily precipitation	41.1 mm (1.6 in)	56 of 100 (Notable)
Aberdeen	United States	Record daily precipitation	53.6 mm (2.1 in)	56 of 100 (Notable)
Bowdle	United States	Record daily precipitation	37.3 mm (1.5 in)	54 of 100 (Notable)
Bucuresti Filaret	Romania	Record daily precipitation	43.3 mm (1.7 in)	53 of 100 (Notable)
Chardzhev	Turkmenistan	Record daily precipitation	49.0 mm (1.9 in)	52 of 100 (Notable)
Bucuresti-Baneasa	Romania	Record daily precipitation	53.2 mm (2.1 in)	51 of 100 (Notable)
Jamestown	Australia	Record daily precipitation	34.0 mm (1.3 in)	49 of 100 (Notable)
Edirne	Turkey	Record daily precipitation	32.3 mm (1.3 in)	49 of 100 (Notable)
Ogallala	United States	Record daily precipitation	44.5 mm (1.8 in)	49 of 100 (Notable)
Jimma	Ethiopia	Record daily precipitation	49.0 mm (1.9 in)	48 of 100 (Notable)
Oshkosh	United States	Record daily precipitation	46.2 mm (1.8 in)	46 of 100 (Notable)
Tasiilaq	Greenland [Denmark]	Record daily precipitation	42.7 mm (1.7 in)	43 of 100 (Notable)
Riggins	United States	Record low minimum temperature	-1.1 C (30.0 F)	43 of 100 (Notable)
Madrid	United States	Record daily precipitation	41.9 mm (1.6 in)	43 of 100 (Notable)
Ocna Sugatag	Romania	Record daily precipitation	25.9 mm (1.0 in)	42 of 100 (Notable)
Ballinger 2 NW	United States	Record high maximum temperature	39.4 C (102.9 F)	42 of 100 (Notable)
Paradise	United States	Record high maximum temperature	31.1 C (88.0 F)	41 of 100 (Notable)
Dupree	United States	Record daily precipitation	31.0 mm (1.2 in)	41 of 100 (Notable)
Lacrosse	United States	Record low minimum temperature	-4.4 C (24.1 F)	41 of 100 (Notable)
Pierre Rgnl AP	United States	Record daily precipitation	28.2 mm (1.1 in)	41 of 100 (Notable)
Hayes Center 1NW	United States	Record daily precipitation	49.8 mm (2.0 in)	40 of 100 (Notable)
Barcelona/Aeropuerto	Spain	Record high maximum temperature	24.3 C (75.7 F)	38 of 100 (Notable)
Asturias/Aviles	Spain	Record high maximum temperature	33.6 C (92.5 F)	38 of 100 (Notable)
Santander/Parayas	Spain	Record high maximum temperature	35.1 C (95.2 F)	37 of 100 (Notable)
Buena Vista 2S	United States	Record high minimum temperature	7.8 C (46.0 F)	37 of 100 (Notable)
Sedgwick 5 S	United States	Record daily precipitation	36.1 mm (1.4 in)	37 of 100 (Notable)
Enisejsk	Russia	Record high minimum temperature	7.7 C (45.9 F)	36 of 100 (Notable)
Tekirdag	Turkey	Record daily precipitation	45.0 mm (1.8 in)	36 of 100 (Notable)
Balmorhea	United States	Record high minimum temperature	22.8 C (73.0 F)	36 of 100 (Notable)
Buzau	Romania	Record daily precipitation	37.8 mm (1.5 in)	35 of 100 (Notable)
Nakhon Ratchasima	Thailand	Record daily precipitation	56.6 mm (2.2 in)	35 of 100 (Notable)
Moscow U of I	United States	Record low minimum temperature	-4.4 C (24.1 F)	35 of 100 (Notable)
Wallace 2W	United States	Record daily precipitation	35.1 mm (1.4 in)	35 of 100 (Notable)
Cuero	United States	Record high maximum temperature	36.7 C (98.1 F)	34 of 100 (Routine)
Mt Locke	United States	Record high minimum temperature	17.8 C (64.0 F)	34 of 100 (Routine)
Wink FAA AP	United States	Record high maximum temperature	38.9 C (102.0 F)	34 of 100 (Routine)
Jingdezhen	China	Record high maximum temperature	36.3 C (97.3 F)	33 of 100 (Routine)
Ubon Ratchathani	Thailand	Record daily precipitation	88.9 mm (3.5 in)	33 of 100 (Routine)
Ft Ross	United States	Record low minimum temperature	-3.3 C (26.1 F)	33 of 100 (Routine)
N Platte Exp Farm	United States	Record daily precipitation	33.0 mm (1.3 in)	33 of 100 (Routine)
Zamora	Spain	Record high minimum temperature	12.8 C (55.0 F)	32 of 100 (Routine)
Bailey	United States	Record high minimum temperature	3.9 C (39.0 F)	32 of 100 (Routine)
Hershey 5 SSE	United States	Record daily precipitation	26.4 mm (1.0 in)	32 of 100 (Routine)
San Jon	United States	Record high minimum temperature	17.8 C (64.0 F)	32 of 100 (Routine)
Albany	United States	Record high minimum temperature	21.7 C (71.1 F)	32 of 100 (Routine)
Lamesa 1 SSE	United States	Record high maximum temperature	39.4 C (102.9 F)	32 of 100 (Routine)
Navarro Mills Dam	United States	Record high maximum temperature	37.2 C (99.0 F)	32 of 100 (Routine)
Kahuku 912	United States	Record high maximum temperature	29.4 C (84.9 F)	32 of 100 (Routine)
Caldervale Station	Australia	Record daily precipitation	36.0 mm (1.4 in)	31 of 100 (Routine)
Elk City 4 W	United States	Record high maximum temperature	36.1 C (97.0 F)	31 of 100 (Routine)
Hartline	United States	Record low minimum temperature	-3.9 C (25.0 F)	31 of 100 (Routine)
Midland Odessa	United States	Record high maximum temperature	40.0 C (104.0 F)	31 of 100 (Routine)
San Sebastian - Igueldo	Spain	Record high maximum temperature	30.3 C (86.5 F)	30 of 100 (Routine)
Ft Stockton	United States	Record high minimum temperature	21.7 C (71.1 F)	30 of 100 (Routine)
Abilene Rgnl AP	United States	Record high minimum temperature	22.8 C (73.0 F)	30 of 100 (Routine)
Lubbock	United States	Record high minimum temperature	20.0 C (68.0 F)	30 of 100 (Routine)
Chongqing	China	Record high maximum temperature	36.4 C (97.5 F)	29 of 100 (Routine)
Nanping	China	Record high maximum temperature	36.3 C (97.3 F)	29 of 100 (Routine)
A Coruna	Spain	Record high minimum temperature	16.1 C (61.0 F)	29 of 100 (Routine)

Counts by Type and Timescale

504 records

Records set or tied on 4 May 2020 by type: Highest daily maximum 180, Lowest daily maximum 13, Highest daily minimum 143, Lowest daily minimum 48, Heaviest daily rainfall 115, Heaviest daily snowfall 3, Deepest snow cover 2.

Records on 4 May 2020 by type
Record type	Records
Highest daily maximum	180
Lowest daily maximum	13
Highest daily minimum	143
Lowest daily minimum	48
Heaviest daily rainfall	115
Heaviest daily snowfall	3
Deepest snow cover	2

Records on 4 May 2020 by timescale: all-time 0, monthly 17, daily 487.

How Much Records Were Beaten By

391 broken records

Margins by which the 391 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 90.0. Ties are not counted.

Top 20 by Significance

4 May 2020

Top 20 records on 4 May 2020 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
4 May 2020	Cluj Napoca, RO	daily rain	27.2 mm (1.1 in)	13.7 mm (0.5 in)	88 years	57 of 100 (Notable)
4 May 2020	Highmore, US	daily rain	41.1 mm (1.6 in)	17.0 mm (0.7 in)	108 years	56 of 100 (Notable)
4 May 2020	Aberdeen, US	daily rain	53.6 mm (2.1 in)	19.3 mm (0.8 in)	115 years	56 of 100 (Notable)
4 May 2020	Bowdle, US	daily rain	37.3 mm (1.5 in)	18.2 mm (0.7 in)	115 years	54 of 100 (Notable)
4 May 2020	Bucuresti Filaret, RO	daily rain	43.3 mm (1.7 in)	11.9 mm (0.5 in)	95 years	53 of 100 (Notable)
4 May 2020	Chardzhev, TM	daily rain	49.0 mm (1.9 in)	16.5 mm (0.6 in)	65 years	52 of 100 (Notable)
4 May 2020	Bucuresti-Baneasa, RO	daily rain	53.2 mm (2.1 in)	24.3 mm (1.0 in)	50 years	51 of 100 (Notable)
4 May 2020	Jamestown, AU	daily rain	34.0 mm (1.3 in)	14.2 mm (0.6 in)	54 years	49 of 100 (Notable)
4 May 2020	Edirne, TR	daily rain	32.3 mm (1.3 in)	24.4 mm (1.0 in)	63 years	49 of 100 (Notable)
4 May 2020	Ogallala, US	daily rain	44.5 mm (1.8 in)	24.9 mm (1.0 in)	63 years	49 of 100 (Notable)
4 May 2020	Jimma, ET	daily rain	49.0 mm (1.9 in)	30.6 mm (1.2 in)	49 years	48 of 100 (Notable)
4 May 2020	Oshkosh, US	daily rain	46.2 mm (1.8 in)	11.9 mm (0.5 in)	86 years	46 of 100 (Notable)
4 May 2020	Tasiilaq, GL	daily rain	42.7 mm (1.7 in)	2.7 mm (0.11 in)	107 years	43 of 100 (Notable)
4 May 2020	Riggins, US	daily low min	-1.1 C (30.0 F)	1.1 C (2.0 F)	121 years	43 of 100 (Notable)
4 May 2020	Madrid, US	daily rain	41.9 mm (1.6 in)	10.4 mm (0.4 in)	86 years	43 of 100 (Notable)
4 May 2020	Ocna Sugatag, RO	daily rain	25.9 mm (1.0 in)	15.3 mm (0.6 in)	49 years	42 of 100 (Notable)
4 May 2020	Ballinger 2 NW, US	daily high max	39.4 C (102.9 F)	1.1 C (2.0 F)	114 years	42 of 100 (Notable)
4 May 2020	Paradise, US	daily high max	31.1 C (88.0 F)	1.7 C (3.1 F)	93 years	41 of 100 (Notable)
4 May 2020	Dupree, US	daily rain	31.0 mm (1.2 in)	14.2 mm (0.6 in)	61 years	41 of 100 (Notable)
4 May 2020	Lacrosse, US	daily low min	-4.4 C (24.1 F)	0.5 C (0.9 F)	101 years	41 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

1795 to 2020

Records set or tied on this calendar date in each year from 1795 to 2020. 2020 had 504 records.

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

Records on 05-04 in each year
Year	Records
1795	1
1796	1
1820	1
1836	2
1840	1
1847	1
1850	2
1851	2
1852	1
1856	3
1858	1
1859	1
1861	2
1862	1
1864	3
1865	2
1868	3
1869	1
1870	2
1875	1
1877	2
1878	1
1879	1
1880	1
1882	1
1885	1
1886	1
1888	1
1889	4
1890	1
1892	4
1893	3
1894	6
1895	3
1896	3
1897	2
1898	2
1899	2
1900	2
1902	5
1903	8
1904	8
1905	19
1906	5
1907	37
1908	18
1909	13
1910	14
1911	37
1912	12
1913	63
1914	21
1915	75
1916	57
1917	60
1918	30
1919	69
1920	43
1921	62
1922	283
1923	82
1924	88
1925	80
1926	230
1927	112
1928	205
1929	177
1930	269
1931	169
1932	104
1933	274
1934	456
1935	518
1936	313
1937	230
1938	445
1939	295
1940	602
1941	436
1942	820
1943	358
1944	872
1945	654
1946	463
1947	649
1948	578
1949	1,130
1950	953
1951	292
1952	698
1953	389
1954	1,045
1955	471
1956	433
1957	433
1958	414
1959	613
1960	443
1961	466
1962	265
1963	313
1964	570
1965	433
1966	1,113
1967	928
1968	304
1969	377
1970	454
1971	810
1972	364
1973	313
1974	367
1975	683
1976	554
1977	736
1978	1,016
1979	1,529
1980	511
1981	667
1982	591
1983	539
1984	885
1985	821
1986	1,128
1987	1,004
1988	591
1989	743
1990	1,461
1991	1,088
1992	933
1993	791
1994	821
1995	974
1996	1,298
1997	962
1998	898
1999	1,167
2000	1,398
2001	1,345
2002	1,343
2003	1,158
2004	1,341
2005	1,152
2006	650
2007	699
2008	624
2009	727
2010	999
2011	1,023
2012	1,343
2013	1,447
2014	602
2015	622
2016	463
2017	669
2018	972
2019	574
2020	504
2021	616
2022	470
2023	681
2024	885
2025	456
2026	554

Download the Data

Data for records on 2020-05-04: 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 2026-10-18. Last revised 18 October 2026 (2026-10-18).

Margin	Records
0 to 20	382
20 to 40	7
40 to 60	1
60 to 80	0
80 to 100	1