Weather Records on 16 August 1991

601 weather records were set or tied worldwide on 16 August 1991. Highest significance: Maceio (Aeroporto), BR.

Key Facts for 16 August 1991

On 16 August 1991, 601 weather records were set or tied at long-record stations worldwide.
301 were record highs and 126 were record lows, counting maximum and minimum temperature.
By timescale, 3 were all-time records, 13 monthly and 585 daily.
Maceio (Aeroporto) set a daily record precipitation of 78.0 mm (3.1 in) on 16 August 1991.
Across 164 earlier years (1793 to 2026) the same calendar date averaged 465 records.

Record Map

601 stations

601 station records on 16 August 1991 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 16 August 1991: highest significance records shown on the map
Station	Country	Type	Value	Significance
Maceio (Aeroporto)	Brazil	Record daily precipitation	78.0 mm (3.1 in)	65 of 100 (Major)
Red Lake Falls	United States	Record daily precipitation	55.9 mm (2.2 in)	60 of 100 (Major)
Acambaro	Mexico	Record daily precipitation	97.5 mm (3.8 in)	57 of 100 (Notable)
Tg Jiu	Romania	Record daily precipitation	51.9 mm (2.0 in)	57 of 100 (Notable)
Bjuroklubb	Sweden	Record daily precipitation	33.0 mm (1.3 in)	54 of 100 (Notable)
Pokegama Dam	United States	Record daily precipitation	65.0 mm (2.6 in)	49 of 100 (Notable)
Temixco	Mexico	Record high maximum temperature	35.6 C (96.1 F)	44 of 100 (Notable)
Deland 1 SSE	United States	Record high minimum temperature	26.1 C (79.0 F)	44 of 100 (Notable)
Siqueros (Cfe)	Mexico	Record daily precipitation	77.0 mm (3.0 in)	41 of 100 (Notable)
Brunswick	United States	Record low minimum temperature	11.7 C (53.1 F)	40 of 100 (Notable)
Moorhead 9 NE	United States	Record daily precipitation	25.1 mm (1.0 in)	40 of 100 (Notable)
Tarboro 1 S	United States	Record low maximum temperature	25.6 C (78.1 F)	40 of 100 (Notable)
Brackettville	United States	Record low minimum temperature	16.7 C (62.1 F)	40 of 100 (Notable)
Poowong (Post Office)	Australia	Record daily precipitation	25.8 mm (1.0 in)	39 of 100 (Notable)
Madrid - Retiro	Spain	Record high maximum temperature	39.4 C (102.9 F)	39 of 100 (Notable)
Hart 3 WSW	United States	Record high minimum temperature	25.6 C (78.1 F)	38 of 100 (Notable)
Wewahitchka	United States	Record low maximum temperature	28.3 C (82.9 F)	37 of 100 (Notable)
Rio Grande (Smn)	Mexico	Record daily precipitation	34.8 mm (1.4 in)	36 of 100 (Notable)
Fredericksburg	United States	Record daily precipitation	52.3 mm (2.1 in)	36 of 100 (Notable)
Edmore 4NW	United States	Record daily precipitation	31.0 mm (1.2 in)	35 of 100 (Notable)
Walterboro 1 SW	United States	Record high minimum temperature	25.0 C (77.0 F)	35 of 100 (Notable)
Lilydale	Australia	Record daily precipitation	26.6 mm (1.0 in)	34 of 100 (Routine)
Liberty	United States	Record low maximum temperature	23.9 C (75.0 F)	34 of 100 (Routine)
Omaha #1	United States	Record daily precipitation	51.6 mm (2.0 in)	34 of 100 (Routine)
Dongfang	China	Record daily precipitation	186.9 mm (7.4 in)	33 of 100 (Routine)
Monclova (Dge)	Mexico	Record low maximum temperature	21.7 C (71.1 F)	33 of 100 (Routine)
Holmogadd A	Sweden	Record daily precipitation	27.0 mm (1.1 in)	33 of 100 (Routine)
Eastman 1 W	United States	Record low maximum temperature	26.1 C (79.0 F)	33 of 100 (Routine)
Winnfield 3 N	United States	Record daily precipitation	59.7 mm (2.4 in)	33 of 100 (Routine)
Whitefish Pt	United States	Record daily precipitation	46.2 mm (1.8 in)	33 of 100 (Routine)
Siloam Springs 1E	United States	Record daily precipitation	53.3 mm (2.1 in)	33 of 100 (Routine)
Rusk	United States	Record daily precipitation	45.7 mm (1.8 in)	33 of 100 (Routine)
Everett	United States	Record high minimum temperature	17.2 C (63.0 F)	33 of 100 (Routine)
Mercedes	Uruguay	Record high minimum temperature	19.0 C (66.2 F)	33 of 100 (Routine)
San Lucas Ojitlan	Mexico	Record low minimum temperature	17.8 C (64.0 F)	32 of 100 (Routine)
Bangdalen	Norway	Record daily precipitation	27.1 mm (1.1 in)	31 of 100 (Routine)
San Miguel El Alto	Mexico	Record daily precipitation	50.8 mm (2.0 in)	30 of 100 (Routine)
Huajintlan	Mexico	Record high minimum temperature	21.7 C (71.1 F)	30 of 100 (Routine)
Mora Camp	Puerto Rico [United States]	Record daily precipitation	61.5 mm (2.4 in)	30 of 100 (Routine)
Tuusula Hyryla	Finland	Record daily precipitation	29.0 mm (1.1 in)	29 of 100 (Routine)
Quitupan	Mexico	Record high maximum temperature	35.0 C (95.0 F)	29 of 100 (Routine)
Cuitzeo	Mexico	Record daily precipitation	35.8 mm (1.4 in)	29 of 100 (Routine)
Rosiori de Vede	Romania	Record daily precipitation	36.9 mm (1.5 in)	29 of 100 (Routine)
Menza	Russia	Record daily precipitation	28.8 mm (1.1 in)	29 of 100 (Routine)
Madrid - Retiro	Spain	Record high minimum temperature	24.6 C (76.3 F)	29 of 100 (Routine)
Everett	United States	Record high maximum temperature	30.0 C (86.0 F)	29 of 100 (Routine)
Leongatha Sth Gippsland Water	Australia	Record daily precipitation	28.2 mm (1.1 in)	28 of 100 (Routine)
Santo Domingo	Mexico	Record low minimum temperature	11.7 C (53.1 F)	28 of 100 (Routine)
Tifton	United States	Record low maximum temperature	27.2 C (81.0 F)	28 of 100 (Routine)
Hill City 1 W	United States	Record high minimum temperature	13.9 C (57.0 F)	28 of 100 (Routine)
Anahuac	United States	Record low maximum temperature	28.3 C (82.9 F)	28 of 100 (Routine)
Pueblo Nuevo	Mexico	Record high maximum temperature	40.0 C (104.0 F)	27 of 100 (Routine)
Craiova	Romania	Record daily precipitation	26.4 mm (1.0 in)	27 of 100 (Routine)
Quebradillas	Puerto Rico [United States]	Record daily precipitation	66.0 mm (2.6 in)	27 of 100 (Routine)
Newport Beach Harbor	United States	Record low maximum temperature	19.4 C (66.9 F)	27 of 100 (Routine)
Berlin 5 S	United States	Record daily precipitation	43.7 mm (1.7 in)	27 of 100 (Routine)
Mexia	United States	Record low minimum temperature	17.2 C (63.0 F)	27 of 100 (Routine)
Aquespala	Mexico	Record high maximum temperature	37.2 C (99.0 F)	26 of 100 (Routine)
Merida Centro	Mexico	Record low maximum temperature	30.6 C (87.1 F)	26 of 100 (Routine)
Americus	United States	Record low maximum temperature	25.6 C (78.1 F)	26 of 100 (Routine)

Counts by Type and Timescale

601 records

Records set or tied on 16 August 1991 by type: Highest daily maximum 143, Lowest daily maximum 55, Highest daily minimum 158, Lowest daily minimum 71, Heaviest daily rainfall 174.

Records on 16 August 1991 by type
Record type	Records
Highest daily maximum	143
Lowest daily maximum	55
Highest daily minimum	158
Lowest daily minimum	71
Heaviest daily rainfall	174
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 16 August 1991 by timescale: all-time 3, monthly 13, daily 585.

How Much Records Were Beaten By

417 broken records

Margins by which the 417 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 75.3. Ties are not counted.

Top 20 by Significance

16 August 1991

Top 20 records on 16 August 1991 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
16 August 1991	Maceio (Aeroporto), BR	daily rain	78.0 mm (3.1 in)	55.4 mm (2.2 in)	56 years	65 of 100 (Major)
16 August 1991	Red Lake Falls, US	daily rain	55.9 mm (2.2 in)	43.2 mm (1.7 in)	74 years	60 of 100 (Major)
16 August 1991	Acambaro, MX	all-time rain	97.5 mm (3.8 in)	24.1 mm (0.9 in)	15 years	57 of 100 (Notable)
16 August 1991	Tg Jiu, RO	daily rain	51.9 mm (2.0 in)	34.0 mm (1.3 in)	64 years	57 of 100 (Notable)
16 August 1991	Bjuroklubb, SE	daily rain	33.0 mm (1.3 in)	13.6 mm (0.5 in)	88 years	54 of 100 (Notable)
16 August 1991	Pokegama Dam, US	daily rain	65.0 mm (2.6 in)	29.4 mm (1.2 in)	62 years	49 of 100 (Notable)
16 August 1991	Temixco, MX	daily high max	35.6 C (96.1 F)	5.0 C (9.0 F)	33 years	44 of 100 (Notable)
16 August 1991	Deland 1 SSE, US	daily high min	26.1 C (79.0 F)	1.7 C (3.1 F)	76 years	44 of 100 (Notable)
16 August 1991	Siqueros (Cfe), MX	daily rain	77.0 mm (3.0 in)	55.2 mm (2.2 in)	29 years	41 of 100 (Notable)
16 August 1991	Brunswick, US	daily low min	11.7 C (53.1 F)	1.1 C (2.0 F)	93 years	40 of 100 (Notable)
16 August 1991	Moorhead 9 NE, US	daily rain	25.1 mm (1.0 in)	20.8 mm (0.8 in)	4 years	40 of 100 (Notable)
16 August 1991	Tarboro 1 S, US	daily low max	25.6 C (78.1 F)	1.1 C (2.0 F)	91 years	40 of 100 (Notable)
16 August 1991	Brackettville, US	daily low min	16.7 C (62.1 F)	2.2 C (4.0 F)	66 years	40 of 100 (Notable)
16 August 1991	Poowong (Post Office), AU	daily rain	25.8 mm (1.0 in)	0.4 mm (0.02 in)	97 years	39 of 100 (Notable)
16 August 1991	Madrid - Retiro, ES	all-time high max	39.4 C (102.9 F)	0.3 C (0.5 F)	42 years	39 of 100 (Notable)
16 August 1991	Hart 3 WSW, US	daily high min	25.6 C (78.1 F)	2.8 C (5.0 F)	77 years	38 of 100 (Notable)
16 August 1991	Wewahitchka, US	daily low max	28.3 C (82.9 F)	0.6 C (1.1 F)	89 years	37 of 100 (Notable)
16 August 1991	Rio Grande (Smn), MX	daily rain	34.8 mm (1.4 in)	15.0 mm (0.6 in)	38 years	36 of 100 (Notable)
16 August 1991	Fredericksburg, US	daily rain	52.3 mm (2.1 in)	33.5 mm (1.3 in)	41 years	36 of 100 (Notable)
16 August 1991	Edmore 4NW, US	daily rain	31.0 mm (1.2 in)	10.7 mm (0.4 in)	56 years	35 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 1991

Records set or tied on this calendar date in each year from 1793 to 1991. 1991 had 601 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 1991-08-16: 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	373
10 to 20	23
20 to 30	10
30 to 40	7
40 to 50	1
50 to 60	2
60 to 70	0
70 to 80	1