Weather Records on 21 July 1991

812 weather records were set or tied worldwide on 21 July 1991. Highest significance: King River, AU.

Key Facts for 21 July 1991

On 21 July 1991, 812 weather records were set or tied at long-record stations worldwide.
532 were record highs and 96 were record lows, counting maximum and minimum temperature.
By timescale, 21 were all-time records, 30 monthly and 761 daily.
King River set a daily record precipitation of 72.4 mm (2.9 in) on 21 July 1991.
Across 159 earlier years (1794 to 2026) the same calendar date averaged 464 records.

Record Map

812 stations

812 station records on 21 July 1991 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 July 1991: highest significance records shown on the map
Station	Country	Type	Value	Significance
King River	Australia	Record daily precipitation	72.4 mm (2.9 in)	71 of 100 (Major)
Cape Riche	Australia	Record daily precipitation	63.2 mm (2.5 in)	62 of 100 (Major)
Kojaneerup	Australia	Record daily precipitation	88.0 mm (3.5 in)	59 of 100 (Notable)
Youngs Siding	Australia	Record daily precipitation	68.8 mm (2.7 in)	59 of 100 (Notable)
Grassmere	Australia	Record daily precipitation	59.3 mm (2.3 in)	55 of 100 (Notable)
Atil	Mexico	Record low minimum temperature	10.6 C (51.1 F)	55 of 100 (Notable)
Barrett Meadows	Australia	Record daily precipitation	51.6 mm (2.0 in)	54 of 100 (Notable)
Tuba City	United States	Record low maximum temperature	20.6 C (69.1 F)	53 of 100 (Notable)
Montevideo 1SW	United States	Record daily precipitation	87.6 mm (3.4 in)	50 of 100 (Notable)
Allison	United States	Record high minimum temperature	28.9 C (84.0 F)	49 of 100 (Notable)
Verhnjaja Gutara	Russia	Record daily precipitation	63.0 mm (2.5 in)	48 of 100 (Notable)
Middletown 4 W	United States	Record high maximum temperature	38.9 C (102.0 F)	48 of 100 (Notable)
Albany	Australia	Record daily precipitation	51.4 mm (2.0 in)	47 of 100 (Notable)
Adjuntas	Mexico	Record daily precipitation	64.3 mm (2.5 in)	47 of 100 (Notable)
Rangely 1E	United States	Record low maximum temperature	23.3 C (73.9 F)	47 of 100 (Notable)
Manypeaks	Australia	Record daily precipitation	79.2 mm (3.1 in)	46 of 100 (Notable)
Delta	United States	Record low maximum temperature	24.4 C (75.9 F)	45 of 100 (Notable)
Tamar	Australia	Record daily precipitation	82.2 mm (3.2 in)	44 of 100 (Notable)
Pudino	Russia	Record daily precipitation	47.0 mm (1.9 in)	44 of 100 (Notable)
Beaver Dam Wwtp	United States	Record daily precipitation	72.4 mm (2.9 in)	44 of 100 (Notable)
La Cua	Mexico	Record daily precipitation	65.3 mm (2.6 in)	43 of 100 (Notable)
Childs	United States	Record daily precipitation	31.2 mm (1.2 in)	41 of 100 (Notable)
New Bedford Coop	United States	Record high maximum temperature	38.9 C (102.0 F)	41 of 100 (Notable)
Bridgehampton	United States	Record high maximum temperature	38.9 C (102.0 F)	41 of 100 (Notable)
Riverhead Rsch Farm	United States	Record high maximum temperature	37.8 C (100.0 F)	41 of 100 (Notable)
Osijek	Croatia	Record daily precipitation	35.0 mm (1.4 in)	40 of 100 (Notable)
Aparri	Philippines	Record daily precipitation	128.0 mm (5.0 in)	40 of 100 (Notable)
Montrose #2	United States	Record low maximum temperature	22.8 C (73.0 F)	40 of 100 (Notable)
Munday	United States	Record high minimum temperature	32.8 C (91.0 F)	40 of 100 (Notable)
Gardiner	United States	Record high maximum temperature	35.6 C (96.1 F)	39 of 100 (Notable)
Toms River	United States	Record high minimum temperature	23.9 C (75.0 F)	39 of 100 (Notable)
Ripon 5 NE	United States	Record daily precipitation	43.9 mm (1.7 in)	39 of 100 (Notable)
Opihihale #2 24.1	United States	Record daily precipitation	52.3 mm (2.1 in)	39 of 100 (Notable)
Illalangi	Australia	Record daily precipitation	46.0 mm (1.8 in)	38 of 100 (Notable)
Linhult_D	Sweden	Record daily precipitation	34.5 mm (1.4 in)	38 of 100 (Notable)
Atchison	United States	Record high minimum temperature	26.7 C (80.1 F)	38 of 100 (Notable)
Boonton 1 SE	United States	Record high maximum temperature	36.1 C (97.0 F)	38 of 100 (Notable)
Ludlow 3 SSE	United States	Record daily precipitation	44.5 mm (1.8 in)	38 of 100 (Notable)
Penjamo	Mexico	Record low minimum temperature	11.1 C (52.0 F)	37 of 100 (Notable)
El Tigre	Mexico	Record high minimum temperature	28.9 C (84.0 F)	37 of 100 (Notable)
Cedar Rapids #1	United States	Record high minimum temperature	25.6 C (78.1 F)	37 of 100 (Notable)
Presque Isle	United States	Record high maximum temperature	34.4 C (93.9 F)	37 of 100 (Notable)
Indian Lake 2SW	United States	Record high minimum temperature	18.9 C (66.0 F)	37 of 100 (Notable)
Alvin	United States	Record high minimum temperature	24.4 C (75.9 F)	37 of 100 (Notable)
Anyang	China	Record high minimum temperature	28.2 C (82.8 F)	36 of 100 (Notable)
Ciudad Altamirano	Mexico	Record daily precipitation	72.4 mm (2.9 in)	36 of 100 (Notable)
San Julian (Dge)	Mexico	Record daily precipitation	55.9 mm (2.2 in)	36 of 100 (Notable)
Redig 11 NE	United States	Record daily precipitation	39.1 mm (1.5 in)	36 of 100 (Notable)
Tewantin Post Office	Australia	Record high maximum temperature	25.7 C (78.3 F)	35 of 100 (Notable)
Angleton 2 W	United States	Record high minimum temperature	25.6 C (78.1 F)	35 of 100 (Notable)
Mauston 1 SE	United States	Record high minimum temperature	22.2 C (72.0 F)	35 of 100 (Notable)
Cherry Point MCAS	United States	Record daily precipitation	73.4 mm (2.9 in)	35 of 100 (Notable)
Yanchep	Australia	Record daily precipitation	37.4 mm (1.5 in)	34 of 100 (Routine)
Yellanup	Australia	Record daily precipitation	70.0 mm (2.8 in)	34 of 100 (Routine)
Wereroa	Australia	Record daily precipitation	48.2 mm (1.9 in)	34 of 100 (Routine)
San Martin Chalchicuautla	Mexico	Record low minimum temperature	16.7 C (62.1 F)	34 of 100 (Routine)
Tiksi	Russia	Record daily precipitation	31.5 mm (1.2 in)	34 of 100 (Routine)
Cherdyn'	Russia	Record high minimum temperature	19.6 C (67.3 F)	34 of 100 (Routine)
Norwich Public Utility Plt	United States	Record high maximum temperature	38.3 C (100.9 F)	34 of 100 (Routine)
Plymouth-Kingston	United States	Record high minimum temperature	25.0 C (77.0 F)	34 of 100 (Routine)

Counts by Type and Timescale

812 records

Records set or tied on 21 July 1991 by type: Highest daily maximum 211, Lowest daily maximum 51, Highest daily minimum 321, Lowest daily minimum 45, Heaviest daily rainfall 184.

Records on 21 July 1991 by type
Record type	Records
Highest daily maximum	211
Lowest daily maximum	51
Highest daily minimum	321
Lowest daily minimum	45
Heaviest daily rainfall	184
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 21 July 1991 by timescale: all-time 21, monthly 30, daily 761.

How Much Records Were Beaten By

564 broken records

Margins by which the 564 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 87.0. Ties are not counted.

Top 20 by Significance

21 July 1991

Top 20 records on 21 July 1991 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 July 1991	King River, AU	daily rain	72.4 mm (2.9 in)	50.6 mm (2.0 in)	78 years	71 of 100 (Major)
21 July 1991	Cape Riche, AU	daily rain	63.2 mm (2.5 in)	40.8 mm (1.6 in)	45 years	62 of 100 (Major)
21 July 1991	Kojaneerup, AU	monthly rain	88.0 mm (3.5 in)	44.2 mm (1.7 in)	13 years	59 of 100 (Notable)
21 July 1991	Youngs Siding, AU	daily rain	68.8 mm (2.7 in)	46.7 mm (1.8 in)	36 years	59 of 100 (Notable)
21 July 1991	Grassmere, AU	daily rain	59.3 mm (2.3 in)	30.1 mm (1.2 in)	36 years	55 of 100 (Notable)
21 July 1991	Atil, MX	daily low min	10.6 C (51.1 F)	8.3 C (14.9 F)	60 years	55 of 100 (Notable)
21 July 1991	Barrett Meadows, AU	daily rain	51.6 mm (2.0 in)	29.0 mm (1.1 in)	36 years	54 of 100 (Notable)
21 July 1991	Tuba City, US	monthly low max	20.6 C (69.1 F)	2.7 C (4.9 F)	89 years	53 of 100 (Notable)
21 July 1991	Montevideo 1SW, US	daily rain	87.6 mm (3.4 in)	32.7 mm (1.3 in)	52 years	50 of 100 (Notable)
21 July 1991	Allison, US	all-time high min	28.9 C (84.0 F)	2.8 C (5.0 F)	49 years	49 of 100 (Notable)
21 July 1991	Verhnjaja Gutara, RU	daily rain	63.0 mm (2.5 in)	26.7 mm (1.1 in)	40 years	48 of 100 (Notable)
21 July 1991	Middletown 4 W, US	daily high max	38.9 C (102.0 F)	2.8 C (5.0 F)	105 years	48 of 100 (Notable)
21 July 1991	Albany, AU	daily rain	51.4 mm (2.0 in)	21.4 mm (0.8 in)	36 years	47 of 100 (Notable)
21 July 1991	Adjuntas, MX	daily rain	64.3 mm (2.5 in)	34.8 mm (1.4 in)	37 years	47 of 100 (Notable)
21 July 1991	Rangely 1E, US	daily low max	23.3 C (73.9 F)	3.9 C (7.0 F)	84 years	47 of 100 (Notable)
21 July 1991	Manypeaks, AU	daily rain	79.2 mm (3.1 in)	57.7 mm (2.3 in)	0 years	46 of 100 (Notable)
21 July 1991	Delta, US	daily low max	24.4 C (75.9 F)	3.9 C (7.0 F)	76 years	45 of 100 (Notable)
21 July 1991	Tamar, AU	daily rain	82.2 mm (3.2 in)	62.2 mm (2.4 in)	0 years	44 of 100 (Notable)
21 July 1991	Pudino, RU	daily rain	47.0 mm (1.9 in)	15.4 mm (0.6 in)	58 years	44 of 100 (Notable)
21 July 1991	Beaver Dam Wwtp, US	daily rain	72.4 mm (2.9 in)	44.2 mm (1.7 in)	13 years	44 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

1794 to 1991

Records set or tied on this calendar date in each year from 1794 to 1991. 1991 had 812 records.

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

Records on 07-21 in each year
Year	Records
1794	1
1795	1
1796	1
1797	1
1813	2
1832	2
1837	1
1839	1
1843	1
1844	2
1854	1
1859	3
1865	3
1868	3
1872	1
1876	1
1879	2
1880	1
1881	1
1884	1
1885	1
1886	2
1888	2
1889	3
1890	2
1892	3
1893	3
1894	3
1895	1
1896	3
1897	4
1898	7
1899	2
1900	6
1901	13
1902	12
1903	10
1904	8
1905	13
1906	13
1907	12
1908	25
1909	18
1910	12
1911	37
1912	52
1913	41
1914	48
1915	81
1916	72
1917	136
1918	130
1919	51
1920	33
1921	55
1922	48
1923	132
1924	286
1925	202
1926	401
1927	191
1928	205
1929	360
1930	521
1931	549
1932	322
1933	208
1934	965
1935	236
1936	322
1937	253
1938	638
1939	415
1940	318
1941	226
1942	318
1943	253
1944	716
1945	300
1946	398
1947	795
1948	403
1949	603
1950	662
1951	427
1952	657
1953	351
1954	656
1955	582
1956	490
1957	447
1958	531
1959	940
1960	651
1961	388
1962	263
1963	470
1964	457
1965	748
1966	626
1967	313
1968	334
1969	636
1970	1,241
1971	475
1972	1,046
1973	871
1974	536
1975	380
1976	477
1977	708
1978	1,155
1979	964
1980	926
1981	1,352
1982	588
1983	1,234
1984	764
1985	554
1986	791
1987	1,025
1988	1,015
1989	973
1990	914
1991	812
1992	1,562
1993	866
1994	773
1995	1,247
1996	1,141
1997	849
1998	1,674
1999	814
2000	1,230
2001	889
2002	990
2003	1,250
2004	694
2005	1,420
2006	1,479
2007	1,145
2008	989
2009	1,306
2010	1,148
2011	1,414
2012	815
2013	526
2014	762
2015	704
2016	645
2017	433
2018	942
2019	755
2020	363
2021	574
2022	866
2023	816
2024	873
2025	881
2026	874

Download the Data

Data for records on 1991-07-21: 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 2026-10-14 (14 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Margin	Records
0 to 20	537
20 to 40	18
40 to 60	7
60 to 80	1
80 to 100	1