Weather Records on 16 May 2021

419 weather records were set or tied worldwide on 16 May 2021. Highest significance: Tribune 1W, US.

Key Facts for 16 May 2021

On 16 May 2021, 419 weather records were set or tied at long-record stations worldwide.
204 were record highs and 65 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 16 monthly and 403 daily.
Tribune 1W set a monthly record daily precipitation of 143.8 mm (5.7 in) on 16 May 2021.
Across 165 earlier years (1802 to 2026) the same calendar date averaged 438 records.

Record Map

419 stations

419 station records on 16 May 2021 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 16 May 2021: highest significance records shown on the map
Station	Country	Type	Value	Significance
Tribune 1W	United States	Record daily precipitation	143.8 mm (5.7 in)	84 of 100 (Exceptional)
Lincoln 1 SE	United States	Record daily precipitation	133.1 mm (5.2 in)	80 of 100 (Exceptional)
Natoma	United States	Record daily precipitation	100.3 mm (3.9 in)	69 of 100 (Major)
Karwar	India	Record daily precipitation	99.6 mm (3.9 in)	68 of 100 (Major)
Tarifa	Spain	Record high maximum temperature	31.7 C (89.1 F)	54 of 100 (Notable)
Kystovka	Russia	Record daily precipitation	27.9 mm (1.1 in)	52 of 100 (Notable)
Plainville 4WNW	United States	Record daily precipitation	87.1 mm (3.4 in)	52 of 100 (Notable)
Belogorka	Russia	Record daily precipitation	35.1 mm (1.4 in)	51 of 100 (Notable)
Honavar	India	Record daily precipitation	93.7 mm (3.7 in)	49 of 100 (Notable)
Morton	United States	Record daily precipitation	41.4 mm (1.6 in)	49 of 100 (Notable)
Plains	United States	Record daily precipitation	30.5 mm (1.2 in)	49 of 100 (Notable)
Charleston	United States	Record daily precipitation	58.9 mm (2.3 in)	48 of 100 (Notable)
Mangalore/Bajpe	India	Record daily precipitation	108.5 mm (4.3 in)	47 of 100 (Notable)
Bartlesville Muni AP	United States	Record daily precipitation	73.2 mm (2.9 in)	47 of 100 (Notable)
Palacios Muni AP	United States	Record daily precipitation	137.2 mm (5.4 in)	46 of 100 (Notable)
Cherdyn'	Russia	Record high maximum temperature	30.5 C (86.9 F)	44 of 100 (Notable)
Calliham	United States	Record daily precipitation	137.2 mm (5.4 in)	44 of 100 (Notable)
Dulce	United States	Record high minimum temperature	8.3 C (46.9 F)	43 of 100 (Notable)
Dallas FAA AP	United States	Record daily precipitation	129.8 mm (5.1 in)	43 of 100 (Notable)
Salisbury	United States	Record daily precipitation	75.2 mm (3.0 in)	42 of 100 (Notable)
Covert	United States	Record daily precipitation	52.1 mm (2.1 in)	41 of 100 (Notable)
Ellsworth 2W	United States	Record daily precipitation	49.3 mm (1.9 in)	41 of 100 (Notable)
Laghouat	Algeria	Record high maximum temperature	37.2 C (99.0 F)	40 of 100 (Notable)
Uralsk	Kazakhstan	Record high maximum temperature	34.6 C (94.3 F)	40 of 100 (Notable)
Perm	Russia	Record high maximum temperature	31.9 C (89.4 F)	40 of 100 (Notable)
Wilson Lake	United States	Record daily precipitation	57.4 mm (2.3 in)	39 of 100 (Notable)
Pielavesi Venetmaki	Finland	Record daily precipitation	27.0 mm (1.1 in)	38 of 100 (Notable)
Benbrook Dam	United States	Record low minimum temperature	2.8 C (37.0 F)	38 of 100 (Notable)
Zharkent	Kazakhstan	Record low maximum temperature	14.8 C (58.6 F)	37 of 100 (Notable)
Ciudad Victoria	Mexico	Record daily precipitation	57.7 mm (2.3 in)	37 of 100 (Notable)
Sion 2	Switzerland	Record daily precipitation	28.7 mm (1.1 in)	37 of 100 (Notable)
Kingsley Dam	United States	Record daily precipitation	57.7 mm (2.3 in)	37 of 100 (Notable)
Emporia ASOS	United States	Record daily precipitation	92.5 mm (3.6 in)	37 of 100 (Notable)
Jyvaskyla Muuratjarvi	Finland	Record daily precipitation	36.0 mm (1.4 in)	36 of 100 (Notable)
Post	United States	Record daily precipitation	50.8 mm (2.0 in)	36 of 100 (Notable)
Saga	Japan	Record high minimum temperature	22.3 C (72.1 F)	35 of 100 (Notable)
Tifton	United States	Record low minimum temperature	8.3 C (46.9 F)	35 of 100 (Notable)
Ouray 4NE	United States	Record high minimum temperature	16.7 C (62.1 F)	35 of 100 (Notable)
Iizuka	Japan	Record high minimum temperature	22.5 C (72.5 F)	34 of 100 (Routine)
Ushibuka	Japan	Record high minimum temperature	22.0 C (71.6 F)	34 of 100 (Routine)
Glazov	Russia	Record high minimum temperature	17.3 C (63.1 F)	34 of 100 (Routine)
Topol Pri Medvodah	Slovenia	Record daily precipitation	39.7 mm (1.6 in)	34 of 100 (Routine)
Malaga Aeropuerto	Spain	Record high minimum temperature	22.1 C (71.8 F)	34 of 100 (Routine)
Miller	United States	Record daily precipitation	43.2 mm (1.7 in)	34 of 100 (Routine)
L F Wade Intl AP Kindley Fld	Bermuda [United Kingdom]	Record daily precipitation	95.5 mm (3.8 in)	33 of 100 (Routine)
Zhigansk	Russia	Record high maximum temperature	19.1 C (66.4 F)	33 of 100 (Routine)
Elwood 8 S	United States	Record daily precipitation	37.3 mm (1.5 in)	33 of 100 (Routine)
Hangzhou	China	Record daily precipitation	37.3 mm (1.5 in)	32 of 100 (Routine)
Postojna	Slovenia	Record daily precipitation	63.1 mm (2.5 in)	32 of 100 (Routine)
Jacksonville	United States	Record low minimum temperature	10.0 C (50.0 F)	32 of 100 (Routine)
Hita	Japan	Record high minimum temperature	21.0 C (69.8 F)	31 of 100 (Routine)
Krasnaja Poljana	Russia	Record high maximum temperature	32.6 C (90.7 F)	31 of 100 (Routine)
Uttaradit	Thailand	Record high minimum temperature	28.5 C (83.3 F)	31 of 100 (Routine)
Milford Lake	United States	Record daily precipitation	42.4 mm (1.7 in)	31 of 100 (Routine)
Szombathely	Hungary	Record daily precipitation	25.6 mm (1.0 in)	30 of 100 (Routine)
Makurazaki	Japan	Record high minimum temperature	22.9 C (73.2 F)	30 of 100 (Routine)
Biser	Russia	Record high maximum temperature	29.4 C (84.9 F)	30 of 100 (Routine)
Mullen 3S	United States	Record daily precipitation	37.1 mm (1.5 in)	30 of 100 (Routine)
Alamosa-Bergman Fld	United States	Record high minimum temperature	7.2 C (45.0 F)	30 of 100 (Routine)
Zakatala	Azerbaijan	Record high minimum temperature	18.3 C (64.9 F)	29 of 100 (Routine)

Counts by Type and Timescale

419 records

Records set or tied on 16 May 2021 by type: Highest daily maximum 82, Lowest daily maximum 30, Highest daily minimum 122, Lowest daily minimum 35, Heaviest daily rainfall 150.

Records on 16 May 2021 by type
Record type	Records
Highest daily maximum	82
Lowest daily maximum	30
Highest daily minimum	122
Lowest daily minimum	35
Heaviest daily rainfall	150
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 16 May 2021 by timescale: all-time 0, monthly 16, daily 403.

How Much Records Were Beaten By

374 broken records

Margins by which the 374 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 99.9. Ties are not counted.

Top 20 by Significance

16 May 2021

Top 20 records on 16 May 2021 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
16 May 2021	Tribune 1W, US	monthly rain	143.8 mm (5.7 in)	44.5 mm (1.8 in)	91 years	84 of 100 (Exceptional)
16 May 2021	Lincoln 1 SE, US	daily rain	133.1 mm (5.2 in)	89.9 mm (3.5 in)	102 years	80 of 100 (Exceptional)
16 May 2021	Natoma, US	daily rain	100.3 mm (3.9 in)	67.0 mm (2.6 in)	64 years	69 of 100 (Major)
16 May 2021	Karwar, IN	daily rain	99.6 mm (3.9 in)	85.1 mm (3.4 in)	106 years	68 of 100 (Major)
16 May 2021	Tarifa, ES	daily high max	31.7 C (89.1 F)	6.4 C (11.5 F)	71 years	54 of 100 (Notable)
16 May 2021	Kystovka, RU	daily rain	27.9 mm (1.1 in)	18.8 mm (0.7 in)	14 years	52 of 100 (Notable)
16 May 2021	Plainville 4WNW, US	daily rain	87.1 mm (3.4 in)	28.4 mm (1.1 in)	64 years	52 of 100 (Notable)
16 May 2021	Belogorka, RU	daily rain	35.1 mm (1.4 in)	16.5 mm (0.6 in)	48 years	51 of 100 (Notable)
16 May 2021	Honavar, IN	daily rain	93.7 mm (3.7 in)	70.7 mm (2.8 in)	63 years	49 of 100 (Notable)
16 May 2021	Morton, US	daily rain	41.4 mm (1.6 in)	34.8 mm (1.4 in)	40 years	49 of 100 (Notable)
16 May 2021	Plains, US	daily rain	30.5 mm (1.2 in)	14.2 mm (0.6 in)	96 years	49 of 100 (Notable)
16 May 2021	Charleston, US	daily rain	58.9 mm (2.3 in)	20.8 mm (0.8 in)	74 years	48 of 100 (Notable)
16 May 2021	Mangalore/Bajpe, IN	daily rain	108.5 mm (4.3 in)	76.2 mm (3.0 in)	54 years	47 of 100 (Notable)
16 May 2021	Bartlesville Muni AP, US	daily rain	73.2 mm (2.9 in)	27.5 mm (1.1 in)	64 years	47 of 100 (Notable)
16 May 2021	Palacios Muni AP, US	daily rain	137.2 mm (5.4 in)	99.9 mm (3.9 in)	4 years	46 of 100 (Notable)
16 May 2021	Cherdyn', RU	daily high max	30.5 C (86.9 F)	5.1 C (9.2 F)	90 years	44 of 100 (Notable)
16 May 2021	Calliham, US	monthly rain	137.2 mm (5.4 in)	44.5 mm (1.8 in)	11 years	44 of 100 (Notable)
16 May 2021	Dulce, US	daily high min	8.3 C (46.9 F)	1.1 C (2.0 F)	100 years	43 of 100 (Notable)
16 May 2021	Dallas FAA AP, US	daily rain	129.8 mm (5.1 in)	50.3 mm (2.0 in)	32 years	43 of 100 (Notable)
16 May 2021	Salisbury, US	daily rain	75.2 mm (3.0 in)	42.2 mm (1.7 in)	12 years	42 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

1802 to 2021

Records set or tied on this calendar date in each year from 1802 to 2021. 2021 had 419 records.

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

Records on 05-16 in each year
Year	Records
1802	1
1806	1
1820	1
1825	1
1832	1
1837	1
1847	1
1856	1
1858	1
1861	1
1862	1
1863	1
1864	1
1866	1
1867	2
1871	1
1874	3
1878	1
1879	1
1880	1
1881	1
1882	1
1883	1
1884	1
1885	1
1886	1
1887	2
1888	2
1889	2
1890	1
1891	4
1892	3
1893	1
1894	2
1895	6
1896	2
1897	1
1898	11
1899	6
1900	7
1901	2
1902	10
1903	9
1904	17
1905	13
1906	25
1907	13
1908	6
1909	57
1910	24
1911	22
1912	13
1913	24
1914	11
1915	104
1916	38
1917	48
1918	395
1919	28
1920	69
1921	106
1922	31
1923	126
1924	152
1925	177
1926	211
1927	230
1928	121
1929	273
1930	170
1931	254
1932	441
1933	268
1934	304
1935	320
1936	520
1937	279
1938	299
1939	448
1940	334
1941	429
1942	721
1943	652
1944	531
1945	888
1946	327
1947	344
1948	281
1949	360
1950	210
1951	558
1952	773
1953	421
1954	251
1955	525
1956	697
1957	610
1958	361
1959	680
1960	370
1961	378
1962	1,295
1963	552
1964	313
1965	442
1966	420
1967	611
1968	790
1969	423
1970	520
1971	509
1972	625
1973	869
1974	1,207
1975	544
1976	518
1977	1,269
1978	808
1979	506
1980	830
1981	896
1982	427
1983	1,579
1984	981
1985	536
1986	747
1987	1,369
1988	946
1989	938
1990	1,068
1991	1,094
1992	809
1993	653
1994	705
1995	1,235
1996	1,835
1997	1,932
1998	1,500
1999	778
2000	1,129
2001	1,110
2002	694
2003	1,289
2004	869
2005	870
2006	1,345
2007	692
2008	1,034
2009	897
2010	836
2011	1,398
2012	770
2013	596
2014	1,483
2015	782
2016	793
2017	710
2018	1,013
2019	572
2020	431
2021	419
2022	717
2023	653
2024	601
2025	993
2026	558

Download the Data

Data for records on 2021-05-16: 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 20	351
20 to 40	12
40 to 60	5
60 to 80	3
80 to 100	3