Weather Records on 16 August 2021

825 weather records were set or tied worldwide on 16 August 2021. Highest significance: Middleton Post Office, AU.

Key Facts for 16 August 2021

On 16 August 2021, 825 weather records were set or tied at long-record stations worldwide.
590 were record highs and 89 were record lows, counting maximum and minimum temperature.
By timescale, 3 were all-time records, 22 monthly and 800 daily.
Middleton Post Office set a daily record precipitation of 46.8 mm (1.8 in) on 16 August 2021.
Across 164 earlier years (1793 to 2026) the same calendar date averaged 464 records.

Record Map

825 stations

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

Weather records on 16 August 2021: highest significance records shown on the map
Station	Country	Type	Value	Significance
Middleton Post Office	Australia	Record daily precipitation	46.8 mm (1.8 in)	71 of 100 (Major)
Ellendale Post Office	Australia	Record daily precipitation	33.4 mm (1.3 in)	71 of 100 (Major)
Falsterbo	Sweden	Record daily precipitation	52.7 mm (2.1 in)	68 of 100 (Major)
Falkoping	Sweden	Record daily precipitation	57.0 mm (2.2 in)	67 of 100 (Major)
Tasiilaq	Greenland [Denmark]	Record high maximum temperature	23.6 C (74.5 F)	63 of 100 (Major)
Bridgeport 5 NW	United States	Record daily precipitation	78.7 mm (3.1 in)	61 of 100 (Major)
Vargarda_D	Sweden	Record daily precipitation	44.0 mm (1.7 in)	56 of 100 (Notable)
Gendalen	Sweden	Record daily precipitation	37.6 mm (1.5 in)	54 of 100 (Notable)
Kingston	United States	Record daily precipitation	47.8 mm (1.9 in)	53 of 100 (Notable)
Madison 3NNW	United States	Record daily precipitation	48.0 mm (1.9 in)	53 of 100 (Notable)
Dothan Rgnl AP	United States	Record daily precipitation	97.3 mm (3.8 in)	53 of 100 (Notable)
Bushy Park (Bushy Park Estates	Australia	Record daily precipitation	26.0 mm (1.0 in)	52 of 100 (Notable)
Woodbridge	Australia	Record daily precipitation	44.2 mm (1.7 in)	51 of 100 (Notable)
Live Oak	United States	Record high minimum temperature	25.6 C (78.1 F)	51 of 100 (Notable)
Bridgewater (Treatment Plant)	Australia	Record daily precipitation	34.0 mm (1.3 in)	50 of 100 (Notable)
Albacete Los Llanos	Spain	Record high maximum temperature	41.0 C (105.8 F)	50 of 100 (Notable)
San Francisco Oceanside	United States	Record low minimum temperature	5.0 C (41.0 F)	50 of 100 (Notable)
Bremerhaven	Germany	Record daily precipitation	39.8 mm (1.6 in)	47 of 100 (Notable)
Trokorna	Sweden	Record daily precipitation	38.1 mm (1.5 in)	47 of 100 (Notable)
Wallace 2 E	United States	Record daily precipitation	76.2 mm (3.0 in)	47 of 100 (Notable)
Avon Park 2 W	United States	Record high minimum temperature	27.2 C (81.0 F)	47 of 100 (Notable)
Baudette	United States	Record high minimum temperature	23.9 C (75.0 F)	47 of 100 (Notable)
Chickamauga 2 SW	United States	Record daily precipitation	88.9 mm (3.5 in)	46 of 100 (Notable)
Apsley (Parki)	Australia	Record daily precipitation	30.0 mm (1.2 in)	45 of 100 (Notable)
Mc Henry 3W	United States	Record high minimum temperature	22.8 C (73.0 F)	45 of 100 (Notable)
Miena Dam	Australia	Record daily precipitation	38.2 mm (1.5 in)	44 of 100 (Notable)
Mohall	United States	Record high minimum temperature	20.0 C (68.0 F)	44 of 100 (Notable)
Lynchburg	United States	Record daily precipitation	56.4 mm (2.2 in)	44 of 100 (Notable)
Orlinga	Russia	Record daily precipitation	38.1 mm (1.5 in)	43 of 100 (Notable)
Sierraville Rs	United States	Record high maximum temperature	36.1 C (97.0 F)	43 of 100 (Notable)
Ft Benton	United States	Record high minimum temperature	18.3 C (64.9 F)	43 of 100 (Notable)
Minot Exp STN	United States	Record high maximum temperature	38.3 C (100.9 F)	43 of 100 (Notable)
Hood Rvr Exp STN	United States	Record high minimum temperature	19.4 C (66.9 F)	43 of 100 (Notable)
Makurazaki	Japan	Record daily precipitation	149.1 mm (5.9 in)	42 of 100 (Notable)
Moultrie 2 ESE	United States	Record low maximum temperature	26.1 C (79.0 F)	42 of 100 (Notable)
Darlington	United States	Record high minimum temperature	24.4 C (75.9 F)	42 of 100 (Notable)
Kremsmuenster	Austria	Record daily precipitation	52.0 mm (2.0 in)	41 of 100 (Notable)
The Dalles	United States	Record high maximum temperature	41.7 C (107.1 F)	41 of 100 (Notable)
Snug Plains (Cataract Falls)	Australia	Record daily precipitation	45.8 mm (1.8 in)	40 of 100 (Notable)
Heber (Black Mesa) Rs	United States	Record daily precipitation	35.8 mm (1.4 in)	40 of 100 (Notable)
Hudson	United States	Record daily precipitation	40.1 mm (1.6 in)	40 of 100 (Notable)
Steele 4N	United States	Record high minimum temperature	21.7 C (71.1 F)	40 of 100 (Notable)
Margate (Sunnyside)	Australia	Record daily precipitation	39.8 mm (1.6 in)	39 of 100 (Notable)
Saga	Japan	Record low maximum temperature	24.6 C (76.3 F)	39 of 100 (Notable)
Uttaradit	Thailand	Record daily precipitation	84.1 mm (3.3 in)	39 of 100 (Notable)
Sand Mt Substn	United States	Record daily precipitation	46.5 mm (1.8 in)	39 of 100 (Notable)
Greensburg	United States	Record daily precipitation	31.0 mm (1.2 in)	39 of 100 (Notable)
Bowman	United States	Record high maximum temperature	38.9 C (102.0 F)	39 of 100 (Notable)
Rainbow	United States	Record daily precipitation	47.0 mm (1.9 in)	39 of 100 (Notable)
Bronte Heights	Australia	Record daily precipitation	30.0 mm (1.2 in)	38 of 100 (Notable)
Melilla	Spain	Record high maximum temperature	39.7 C (103.5 F)	38 of 100 (Notable)
Hope 3 NE	United States	Record daily precipitation	69.1 mm (2.7 in)	38 of 100 (Notable)
Max	United States	Record high maximum temperature	38.3 C (100.9 F)	38 of 100 (Notable)
Lake Margaret Dam	Australia	Record daily precipitation	43.8 mm (1.7 in)	37 of 100 (Notable)
Odeshog	Sweden	Record daily precipitation	32.0 mm (1.3 in)	37 of 100 (Notable)
New England	United States	Record high maximum temperature	38.9 C (102.0 F)	37 of 100 (Notable)
Kr. Cuxhaven Steinau	Germany	Record daily precipitation	30.9 mm (1.2 in)	36 of 100 (Notable)
Miyakonojo	Japan	Record low maximum temperature	24.8 C (76.6 F)	36 of 100 (Notable)
Iquitos	Peru	Record daily precipitation	96.0 mm (3.8 in)	36 of 100 (Notable)
Graton	United States	Record high maximum temperature	40.0 C (104.0 F)	36 of 100 (Notable)

Counts by Type and Timescale

825 records

Records set or tied on 16 August 2021 by type: Highest daily maximum 266, Lowest daily maximum 70, Highest daily minimum 324, Lowest daily minimum 19, Heaviest daily rainfall 146.

Records on 16 August 2021 by type
Record type	Records
Highest daily maximum	266
Lowest daily maximum	70
Highest daily minimum	324
Lowest daily minimum	19
Heaviest daily rainfall	146
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 16 August 2021 by timescale: all-time 3, monthly 22, daily 800.

How Much Records Were Beaten By

643 broken records

Margins by which the 643 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 70.1. Ties are not counted.

Top 20 by Significance

16 August 2021

Top 20 records on 16 August 2021 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
16 August 2021	Middleton Post Office, AU	daily rain	46.8 mm (1.8 in)	27.5 mm (1.1 in)	76 years	71 of 100 (Major)
16 August 2021	Ellendale Post Office, AU	daily rain	33.4 mm (1.3 in)	20.4 mm (0.8 in)	107 years	71 of 100 (Major)
16 August 2021	Falsterbo, SE	daily rain	52.7 mm (2.1 in)	25.3 mm (1.0 in)	68 years	68 of 100 (Major)
16 August 2021	Falkoping, SE	daily rain	57.0 mm (2.2 in)	35.7 mm (1.4 in)	68 years	67 of 100 (Major)
16 August 2021	Tasiilaq, GL	daily high max	23.6 C (74.5 F)	6.1 C (11.0 F)	111 years	63 of 100 (Major)
16 August 2021	Bridgeport 5 NW, US	daily rain	78.7 mm (3.1 in)	27.4 mm (1.1 in)	120 years	61 of 100 (Major)
16 August 2021	Vargarda_D, SE	daily rain	44.0 mm (1.7 in)	21.0 mm (0.8 in)	68 years	56 of 100 (Notable)
16 August 2021	Gendalen, SE	daily rain	37.6 mm (1.5 in)	23.7 mm (0.9 in)	31 years	54 of 100 (Notable)
16 August 2021	Kingston, US	daily rain	47.8 mm (1.9 in)	15.8 mm (0.6 in)	120 years	53 of 100 (Notable)
16 August 2021	Madison 3NNW, US	daily rain	48.0 mm (1.9 in)	22.1 mm (0.9 in)	87 years	53 of 100 (Notable)
16 August 2021	Dothan Rgnl AP, US	daily rain	97.3 mm (3.8 in)	70.1 mm (2.8 in)	27 years	53 of 100 (Notable)
16 August 2021	Bushy Park (Bushy Park Estates, AU	daily rain	26.0 mm (1.0 in)	5.4 mm (0.21 in)	122 years	52 of 100 (Notable)
16 August 2021	Woodbridge, AU	daily rain	44.2 mm (1.7 in)	18.8 mm (0.7 in)	63 years	51 of 100 (Notable)
16 August 2021	Live Oak, US	daily high min	25.6 C (78.1 F)	1.7 C (3.1 F)	106 years	51 of 100 (Notable)
16 August 2021	Bridgewater (Treatment Plant), AU	daily rain	34.0 mm (1.3 in)	20.6 mm (0.8 in)	0 years	50 of 100 (Notable)
16 August 2021	Albacete Los Llanos, ES	daily high max	41.0 C (105.8 F)	3.6 C (6.5 F)	102 years	50 of 100 (Notable)
16 August 2021	San Francisco Oceanside, US	daily low min	5.0 C (41.0 F)	5.0 C (9.0 F)	48 years	50 of 100 (Notable)
16 August 2021	Bremerhaven, DE	daily rain	39.8 mm (1.6 in)	23.2 mm (0.9 in)	16 years	47 of 100 (Notable)
16 August 2021	Trokorna, SE	daily rain	38.1 mm (1.5 in)	27.5 mm (1.1 in)	14 years	47 of 100 (Notable)
16 August 2021	Wallace 2 E, US	daily rain	76.2 mm (3.0 in)	27.4 mm (1.1 in)	79 years	47 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

1793 to 2021

Records set or tied on this calendar date in each year from 1793 to 2021. 2021 had 825 records.

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

Records on 08-16 in each year
Year	Records
1793	1
1802	2
1811	1
1827	1
1833	1
1835	1
1838	1
1841	1
1844	2
1850	1
1856	1
1861	2
1862	1
1863	1
1868	2
1869	1
1871	1
1873	1
1875	2
1876	5
1878	1
1879	3
1880	2
1882	2
1883	2
1885	4
1886	1
1887	2
1888	5
1890	5
1891	2
1893	6
1894	1
1895	4
1896	5
1897	4
1898	6
1899	2
1900	3
1901	7
1902	5
1903	12
1904	9
1905	9
1906	11
1907	20
1908	31
1909	25
1910	14
1911	16
1912	30
1913	88
1914	10
1915	32
1916	147
1917	27
1918	72
1919	13
1920	144
1921	42
1922	148
1923	135
1924	139
1925	92
1926	165
1927	314
1928	207
1929	509
1930	158
1931	336
1932	348
1933	260
1934	504
1935	496
1936	728
1937	818
1938	700
1939	340
1940	287
1941	371
1942	447
1943	579
1944	467
1945	370
1946	313
1947	477
1948	342
1949	345
1950	305
1951	423
1952	552
1953	558
1954	648
1955	558
1956	413
1957	402
1958	1,013
1959	354
1960	518
1961	866
1962	423
1963	897
1964	831
1965	565
1966	433
1967	829
1968	824
1969	684
1970	386
1971	641
1972	997
1973	592
1974	689
1975	766
1976	1,153
1977	831
1978	835
1979	1,698
1980	855
1981	766
1982	516
1983	1,251
1984	662
1985	1,063
1986	811
1987	1,120
1988	1,594
1989	730
1990	702
1991	601
1992	2,027
1993	820
1994	1,075
1995	1,542
1996	678
1997	1,284
1998	865
1999	697
2000	873
2001	1,136
2002	1,258
2003	1,220
2004	1,239
2005	813
2006	894
2007	1,442
2008	1,183
2009	1,128
2010	1,239
2011	896
2012	670
2013	770
2014	640
2015	841
2016	786
2017	672
2018	412
2019	430
2020	1,382
2021	825
2022	1,145
2023	1,354
2024	765
2025	661
2026	661

Download the Data

Data for records on 2021-08-16: 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 10	581
10 to 20	32
20 to 30	23
30 to 40	4
40 to 50	1
50 to 60	0
60 to 70	0
70 to 80	2