Weather Records on 21 August 1963

338 weather records were set or tied worldwide on 21 August 1963. Highest significance: Khutar, IN.

Key Facts for 21 August 1963

On 21 August 1963, 338 weather records were set or tied at long-record stations worldwide.
47 were record highs and 57 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 9 monthly and 328 daily.
Khutar set an all-time record daily precipitation of 353.1 mm (13.9 in) on 21 August 1963.
Across 165 earlier years (1800 to 2026) the same calendar date averaged 451 records.

Record Map

338 stations

338 station records on 21 August 1963 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 August 1963: highest significance records shown on the map
Station	Country	Type	Value	Significance
Khutar	India	Record daily precipitation	353.1 mm (13.9 in)	62 of 100 (Major)
Lake Providence	United States	Record daily precipitation	76.2 mm (3.0 in)	60 of 100 (Major)
Pasighat	India	Record daily precipitation	264.8 mm (10.4 in)	52 of 100 (Notable)
Pauta Amaria	India	Record daily precipitation	193.0 mm (7.6 in)	52 of 100 (Notable)
Biswan	India	Record daily precipitation	184.1 mm (7.2 in)	48 of 100 (Notable)
Wialki North	Australia	Record daily precipitation	30.7 mm (1.2 in)	47 of 100 (Notable)
Pilibhit City	India	Record daily precipitation	232.0 mm (9.1 in)	42 of 100 (Notable)
Lichtentanne	Germany	Record low maximum temperature	15.8 C (60.4 F)	40 of 100 (Notable)
Chakrata Kalsi Sr	India	Record daily precipitation	129.5 mm (5.1 in)	40 of 100 (Notable)
Kheri	India	Record daily precipitation	229.6 mm (9.0 in)	40 of 100 (Notable)
Meerut Obsy	India	Record daily precipitation	148.4 mm (5.8 in)	40 of 100 (Notable)
Florence	United States	Record daily precipitation	41.7 mm (1.6 in)	40 of 100 (Notable)
Waramain	India	Record daily precipitation	135.9 mm (5.4 in)	39 of 100 (Notable)
Casa Grande	United States	Record daily precipitation	37.6 mm (1.5 in)	39 of 100 (Notable)
Beaufort	Australia	Record daily precipitation	37.6 mm (1.5 in)	37 of 100 (Notable)
Lordsburg 4 SE	United States	Record daily precipitation	35.6 mm (1.4 in)	37 of 100 (Notable)
New Bern 3 NW	United States	Record high minimum temperature	26.1 C (79.0 F)	37 of 100 (Notable)
Bhagaon Bhogaon	India	Record daily precipitation	94.2 mm (3.7 in)	34 of 100 (Routine)
Harpur	India	Record daily precipitation	83.8 mm (3.3 in)	34 of 100 (Routine)
Leola	United States	Record daily precipitation	29.7 mm (1.2 in)	34 of 100 (Routine)
Esperance Post Office	Australia	Record daily precipitation	32.3 mm (1.3 in)	33 of 100 (Routine)
Auraiya	India	Record daily precipitation	59.4 mm (2.3 in)	33 of 100 (Routine)
Hasanpur	India	Record daily precipitation	83.3 mm (3.3 in)	33 of 100 (Routine)
Plant City	United States	Record daily precipitation	69.6 mm (2.7 in)	33 of 100 (Routine)
Winnsboro 5 SSE	United States	Record daily precipitation	68.1 mm (2.7 in)	33 of 100 (Routine)
Sirsa	India	Record daily precipitation	43.1 mm (1.7 in)	32 of 100 (Routine)
Nawabganj	India	Record daily precipitation	210.8 mm (8.3 in)	32 of 100 (Routine)
Budaun	India	Record daily precipitation	87.4 mm (3.4 in)	32 of 100 (Routine)
Greer	United States	Record daily precipitation	31.2 mm (1.2 in)	32 of 100 (Routine)
Tombstone	United States	Record daily precipitation	32.0 mm (1.3 in)	32 of 100 (Routine)
College Park	United States	Record daily precipitation	70.6 mm (2.8 in)	32 of 100 (Routine)
Houston Wb City	United States	Record high minimum temperature	26.7 C (80.1 F)	32 of 100 (Routine)
Sagar	India	Record daily precipitation	66.0 mm (2.6 in)	30 of 100 (Routine)
Riva	Italy	Record low minimum temperature	11.0 C (51.8 F)	30 of 100 (Routine)
Rio Grande (Smn)	Mexico	Record low minimum temperature	2.8 C (37.0 F)	30 of 100 (Routine)
Kalispell Glacier AP	United States	Record low minimum temperature	1.1 C (34.0 F)	30 of 100 (Routine)
Glenn Dale Bell STN	United States	Record daily precipitation	80.0 mm (3.1 in)	29 of 100 (Routine)
Punalur	India	Record daily precipitation	68.6 mm (2.7 in)	28 of 100 (Routine)
Casa Grande Nm	United States	Record daily precipitation	34.5 mm (1.4 in)	28 of 100 (Routine)
Mungar Junction	Australia	Record daily precipitation	31.0 mm (1.2 in)	27 of 100 (Routine)
Cape Otway Lighthouse	Australia	Record high maximum temperature	21.7 C (71.1 F)	27 of 100 (Routine)
Fort Cochin	India	Record daily precipitation	59.9 mm (2.4 in)	27 of 100 (Routine)
Sakoli	India	Record daily precipitation	109.0 mm (4.3 in)	27 of 100 (Routine)
Sitapur	India	Record daily precipitation	192.8 mm (7.6 in)	27 of 100 (Routine)
Kula Sanatorium 267	United States	Record daily precipitation	50.8 mm (2.0 in)	27 of 100 (Routine)
Boyatup	Australia	Record daily precipitation	35.1 mm (1.4 in)	26 of 100 (Routine)
Dhandaus	India	Record daily precipitation	94.0 mm (3.7 in)	26 of 100 (Routine)
Hugoton	United States	Record high minimum temperature	25.0 C (77.0 F)	26 of 100 (Routine)
Gary	United States	Record daily precipitation	40.4 mm (1.6 in)	26 of 100 (Routine)
Kundhra	India	Record daily precipitation	134.6 mm (5.3 in)	25 of 100 (Routine)
Moth	India	Record daily precipitation	55.9 mm (2.2 in)	25 of 100 (Routine)
Muhammdi	India	Record daily precipitation	128.4 mm (5.1 in)	25 of 100 (Routine)
Eagle Nest	United States	Record daily precipitation	25.1 mm (1.0 in)	25 of 100 (Routine)
Faulkton	United States	Record daily precipitation	42.7 mm (1.7 in)	25 of 100 (Routine)
Taranagar (Reni)	India	Record daily precipitation	57.2 mm (2.3 in)	24 of 100 (Routine)
Sandila	India	Record daily precipitation	100.1 mm (3.9 in)	24 of 100 (Routine)
Shahabad	India	Record daily precipitation	88.1 mm (3.5 in)	24 of 100 (Routine)
Mainpuri	India	Record daily precipitation	62.5 mm (2.5 in)	24 of 100 (Routine)
Pawayan	India	Record daily precipitation	168.1 mm (6.6 in)	24 of 100 (Routine)
Clanton	United States	Record daily precipitation	40.6 mm (1.6 in)	24 of 100 (Routine)

Counts by Type and Timescale

338 records

Records set or tied on 21 August 1963 by type: Highest daily maximum 16, Lowest daily maximum 27, Highest daily minimum 31, Lowest daily minimum 30, Heaviest daily rainfall 234.

Records on 21 August 1963 by type
Record type	Records
Highest daily maximum	16
Lowest daily maximum	27
Highest daily minimum	31
Lowest daily minimum	30
Heaviest daily rainfall	234
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 21 August 1963 by timescale: all-time 1, monthly 9, daily 328.

How Much Records Were Beaten By

290 broken records

Margins by which the 290 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 165.2. Ties are not counted.

Top 20 by Significance

21 August 1963

Top 20 records on 21 August 1963 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 August 1963	Khutar, IN	all-time rain	353.1 mm (13.9 in)	73.7 mm (2.9 in)	39 years	62 of 100 (Major)
21 August 1963	Lake Providence, US	daily rain	76.2 mm (3.0 in)	59.7 mm (2.4 in)	68 years	60 of 100 (Major)
21 August 1963	Pasighat, IN	daily rain	264.8 mm (10.4 in)	165.2 mm (6.5 in)	28 years	52 of 100 (Notable)
21 August 1963	Pauta Amaria, IN	daily rain	193.0 mm (7.6 in)	91.4 mm (3.6 in)	48 years	52 of 100 (Notable)
21 August 1963	Biswan, IN	daily rain	184.1 mm (7.2 in)	124.7 mm (4.9 in)	6 years	48 of 100 (Notable)
21 August 1963	Wialki North, AU	daily rain	30.7 mm (1.2 in)	26.6 mm (1.0 in)	14 years	47 of 100 (Notable)
21 August 1963	Pilibhit City, IN	monthly rain	232.0 mm (9.1 in)	21.9 mm (0.9 in)	60 years	42 of 100 (Notable)
21 August 1963	Lichtentanne, DE	daily low max	15.8 C (60.4 F)	1.0 C (1.8 F)	93 years	40 of 100 (Notable)
21 August 1963	Chakrata Kalsi Sr, IN	daily rain	129.5 mm (5.1 in)	60.4 mm (2.4 in)	28 years	40 of 100 (Notable)
21 August 1963	Kheri, IN	monthly rain	229.6 mm (9.0 in)	47.2 mm (1.9 in)	16 years	40 of 100 (Notable)
21 August 1963	Meerut Obsy, IN	daily rain	148.4 mm (5.8 in)	87.4 mm (3.4 in)	2 years	40 of 100 (Notable)
21 August 1963	Florence, US	daily rain	41.7 mm (1.6 in)	28.7 mm (1.1 in)	8 years	40 of 100 (Notable)
21 August 1963	Waramain, IN	daily rain	135.9 mm (5.4 in)	64.8 mm (2.6 in)	48 years	39 of 100 (Notable)
21 August 1963	Casa Grande, US	daily rain	37.6 mm (1.5 in)	30.0 mm (1.2 in)	8 years	39 of 100 (Notable)
21 August 1963	Beaufort, AU	daily rain	37.6 mm (1.5 in)	24.9 mm (1.0 in)	8 years	37 of 100 (Notable)
21 August 1963	Lordsburg 4 SE, US	daily rain	35.6 mm (1.4 in)	15.3 mm (0.6 in)	48 years	37 of 100 (Notable)
21 August 1963	New Bern 3 NW, US	monthly high min	26.1 C (79.0 F)	0.5 C (0.9 F)	59 years	37 of 100 (Notable)
21 August 1963	Bhagaon Bhogaon, IN	daily rain	94.2 mm (3.7 in)	42.1 mm (1.7 in)	26 years	34 of 100 (Routine)
21 August 1963	Harpur, IN	daily rain	83.8 mm (3.3 in)	31.2 mm (1.2 in)	48 years	34 of 100 (Routine)
21 August 1963	Leola, US	daily rain	29.7 mm (1.2 in)	17.0 mm (0.7 in)	58 years	34 of 100 (Routine)

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

1800 to 1963

Records set or tied on this calendar date in each year from 1800 to 1963. 1963 had 338 records.

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

Records on 08-21 in each year
Year	Records
1800	1
1802	1
1804	1
1807	1
1816	1
1818	1
1832	1
1834	1
1839	3
1843	1
1847	1
1849	3
1850	1
1851	2
1863	1
1866	1
1867	2
1870	3
1871	2
1872	1
1873	1
1876	1
1877	2
1879	2
1884	2
1885	5
1886	1
1887	5
1888	2
1889	3
1890	4
1891	2
1893	4
1894	8
1895	3
1896	2
1897	4
1898	4
1899	7
1900	4
1901	9
1902	8
1903	6
1904	8
1905	4
1906	22
1907	20
1908	13
1909	17
1910	33
1911	19
1912	50
1913	37
1914	24
1915	21
1916	106
1917	101
1918	202
1919	19
1920	59
1921	34
1922	58
1923	111
1924	135
1925	220
1926	227
1927	228
1928	110
1929	234
1930	297
1931	277
1932	264
1933	328
1934	320
1935	318
1936	807
1937	762
1938	239
1939	630
1940	683
1941	180
1942	415
1943	438
1944	346
1945	544
1946	390
1947	954
1948	305
1949	508
1950	958
1951	699
1952	368
1953	331
1954	497
1955	885
1956	701
1957	490
1958	389
1959	704
1960	490
1961	644
1962	469
1963	338
1964	794
1965	455
1966	661
1967	541
1968	1,014
1969	650
1970	373
1971	660
1972	441
1973	438
1974	564
1975	545
1976	756
1977	764
1978	445
1979	778
1980	904
1981	1,015
1982	769
1983	1,407
1984	975
1985	623
1986	1,166
1987	740
1988	889
1989	828
1990	910
1991	828
1992	957
1993	698
1994	968
1995	962
1996	950
1997	1,291
1998	948
1999	717
2000	861
2001	797
2002	965
2003	1,241
2004	1,585
2005	1,071
2006	797
2007	1,829
2008	1,012
2009	1,319
2010	1,155
2011	1,022
2012	990
2013	513
2014	624
2015	651
2016	890
2017	347
2018	816
2019	631
2020	1,147
2021	767
2022	917
2023	1,826
2024	777
2025	1,230
2026	1,289

Download the Data

Data for records on 1963-08-21: 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 2026-10-13 (13 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 25	255
25 to 50	25
50 to 75	6
75 to 100	2
100 to 125	1
125 to 150	0
150 to 175	1