Weather Records on 23 August 1963

380 weather records were set or tied worldwide on 23 August 1963. Highest significance: Crosby, US.

Key Facts for 23 August 1963

On 23 August 1963, 380 weather records were set or tied at long-record stations worldwide.
67 were record highs and 104 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 12 monthly and 368 daily.
Crosby set a monthly record daily precipitation of 82.0 mm (3.2 in) on 23 August 1963.
Across 164 earlier years (1802 to 2026) the same calendar date averaged 444 records.

Record Map

380 stations

380 station records on 23 August 1963 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 23 August 1963: highest significance records shown on the map
Station	Country	Type	Value	Significance
Crosby	United States	Record daily precipitation	82.0 mm (3.2 in)	68 of 100 (Major)
Lennoxville	Canada	Record daily precipitation	55.9 mm (2.2 in)	49 of 100 (Notable)
Sherbrooke	Canada	Record daily precipitation	47.5 mm (1.9 in)	49 of 100 (Notable)
Malmesbury	South Africa	Record daily precipitation	41.5 mm (1.6 in)	49 of 100 (Notable)
Centralia	United States	Record daily precipitation	56.1 mm (2.2 in)	47 of 100 (Notable)
Culbertson	United States	Record daily precipitation	63.0 mm (2.5 in)	46 of 100 (Notable)
Greenville Muni AP	United States	Record daily precipitation	50.5 mm (2.0 in)	44 of 100 (Notable)
Lambton	Canada	Record daily precipitation	53.6 mm (2.1 in)	37 of 100 (Notable)
Partapganj	India	Record daily precipitation	172.0 mm (6.8 in)	37 of 100 (Notable)
Carlyle	Canada	Record daily precipitation	37.3 mm (1.5 in)	36 of 100 (Notable)
Khutauna	India	Record daily precipitation	156.0 mm (6.1 in)	36 of 100 (Notable)
Tada	India	Record daily precipitation	76.0 mm (3.0 in)	35 of 100 (Notable)
Hingoli	India	Record daily precipitation	96.5 mm (3.8 in)	35 of 100 (Notable)
L'Assomption	Canada	Record daily precipitation	38.4 mm (1.5 in)	34 of 100 (Routine)
Sacramento 5 ESE	United States	Record low maximum temperature	23.3 C (73.9 F)	33 of 100 (Routine)
Whiteriver 1 SW	United States	Record high minimum temperature	20.6 C (69.1 F)	32 of 100 (Routine)
Langmorn	Australia	Record daily precipitation	35.6 mm (1.4 in)	31 of 100 (Routine)
Wymah (Gwandallen)	Australia	Record daily precipitation	25.9 mm (1.0 in)	31 of 100 (Routine)
Ladania	India	Record daily precipitation	93.0 mm (3.7 in)	31 of 100 (Routine)
Whiteriver 1 SW	United States	Record low maximum temperature	23.9 C (75.0 F)	31 of 100 (Routine)
Medicine Lake 3 SE	United States	Record daily precipitation	37.3 mm (1.5 in)	31 of 100 (Routine)
Dartnall	Australia	Record daily precipitation	25.4 mm (1.0 in)	30 of 100 (Routine)
St Andrews	Canada	Record daily precipitation	32.8 mm (1.3 in)	30 of 100 (Routine)
Dahanu	India	Record daily precipitation	54.7 mm (2.2 in)	29 of 100 (Routine)
Roosevelt 1 S	United States	Record low maximum temperature	27.8 C (82.0 F)	29 of 100 (Routine)
Green Rvr	United States	Record low maximum temperature	21.7 C (71.1 F)	29 of 100 (Routine)
Baunsi	India	Record daily precipitation	98.0 mm (3.9 in)	28 of 100 (Routine)
Poplar 2 E	United States	Record daily precipitation	27.9 mm (1.1 in)	28 of 100 (Routine)
Hayes Center 1NW	United States	Record daily precipitation	38.1 mm (1.5 in)	28 of 100 (Routine)
Russell	Canada	Record daily precipitation	57.2 mm (2.3 in)	27 of 100 (Routine)
St Hyacinthe	Canada	Record daily precipitation	29.0 mm (1.1 in)	27 of 100 (Routine)
Napa State Hospital	United States	Record low minimum temperature	5.0 C (41.0 F)	27 of 100 (Routine)
Hambantota	Sri Lanka	Record high minimum temperature	26.2 C (79.2 F)	26 of 100 (Routine)
Grenora	United States	Record daily precipitation	40.9 mm (1.6 in)	26 of 100 (Routine)
Beaver	United States	Record high maximum temperature	41.1 C (106.0 F)	26 of 100 (Routine)
Bakhtiarpur	India	Record daily precipitation	86.4 mm (3.4 in)	25 of 100 (Routine)
Ocampo	Mexico	Record high maximum temperature	32.8 C (91.0 F)	25 of 100 (Routine)
Imphal (C.Hosp)	India	Record daily precipitation	54.1 mm (2.1 in)	24 of 100 (Routine)
Joliette	Canada	Record daily precipitation	26.7 mm (1.1 in)	23 of 100 (Routine)
Harvey Station	Canada	Record daily precipitation	28.2 mm (1.1 in)	23 of 100 (Routine)
Niphad	India	Record daily precipitation	31.5 mm (1.2 in)	23 of 100 (Routine)
Alcozauca (Smn)	Mexico	Record low maximum temperature	22.8 C (73.0 F)	23 of 100 (Routine)
Bowman Dam	United States	Record low maximum temperature	16.7 C (62.1 F)	23 of 100 (Routine)
Caliente	United States	Record high minimum temperature	20.0 C (68.0 F)	23 of 100 (Routine)
Wildrose 3NW	United States	Record daily precipitation	45.2 mm (1.8 in)	23 of 100 (Routine)
Nominingue	Canada	Record low maximum temperature	12.8 C (55.0 F)	22 of 100 (Routine)
Gagetown 2	Canada	Record daily precipitation	30.5 mm (1.2 in)	22 of 100 (Routine)
Canadian	United States	Record high minimum temperature	23.9 C (75.0 F)	22 of 100 (Routine)
Doodenanning	Australia	Record daily precipitation	25.9 mm (1.0 in)	21 of 100 (Routine)
Berthierville	Canada	Record low maximum temperature	13.9 C (57.0 F)	21 of 100 (Routine)
Beauceville	Canada	Record daily precipitation	31.5 mm (1.2 in)	21 of 100 (Routine)
Sorel	Canada	Record low maximum temperature	14.4 C (57.9 F)	21 of 100 (Routine)
Ratnagiri	India	Record daily precipitation	94.2 mm (3.7 in)	21 of 100 (Routine)
Sirmuthra	India	Record daily precipitation	66.0 mm (2.6 in)	21 of 100 (Routine)
Bolsoy Santar	Russia	Record daily precipitation	28.1 mm (1.1 in)	21 of 100 (Routine)
Le Grand	United States	Record low maximum temperature	26.7 C (80.1 F)	21 of 100 (Routine)
Vacaville	United States	Record low maximum temperature	25.0 C (77.0 F)	21 of 100 (Routine)
Lake Placid 2 SW	United States	Record low minimum temperature	19.4 C (66.9 F)	21 of 100 (Routine)
Manchester	United States	Record high maximum temperature	32.8 C (91.0 F)	21 of 100 (Routine)
Barnawartha	Australia	Record daily precipitation	19.6 mm (0.8 in)	20 of 100 (Routine)

Counts by Type and Timescale

380 records

Records set or tied on 23 August 1963 by type: Highest daily maximum 24, Lowest daily maximum 75, Highest daily minimum 43, Lowest daily minimum 29, Heaviest daily rainfall 209.

Records on 23 August 1963 by type
Record type	Records
Highest daily maximum	24
Lowest daily maximum	75
Highest daily minimum	43
Lowest daily minimum	29
Heaviest daily rainfall	209
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 23 August 1963 by timescale: all-time 0, monthly 12, daily 368.

How Much Records Were Beaten By

309 broken records

Margins by which the 309 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 79.8. Ties are not counted.

Top 20 by Significance

23 August 1963

Top 20 records on 23 August 1963 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
23 August 1963	Crosby, US	monthly rain	82.0 mm (3.2 in)	34.0 mm (1.3 in)	45 years	68 of 100 (Major)
23 August 1963	Lennoxville, CA	daily rain	55.9 mm (2.2 in)	37.6 mm (1.5 in)	22 years	49 of 100 (Notable)
23 August 1963	Sherbrooke, CA	daily rain	47.5 mm (1.9 in)	31.2 mm (1.2 in)	33 years	49 of 100 (Notable)
23 August 1963	Malmesbury, ZA	daily rain	41.5 mm (1.6 in)	16.1 mm (0.6 in)	65 years	49 of 100 (Notable)
23 August 1963	Centralia, US	daily rain	56.1 mm (2.2 in)	43.9 mm (1.7 in)	2 years	47 of 100 (Notable)
23 August 1963	Culbertson, US	monthly rain	63.0 mm (2.5 in)	12.2 mm (0.5 in)	49 years	46 of 100 (Notable)
23 August 1963	Greenville Muni AP, US	daily rain	50.5 mm (2.0 in)	28.7 mm (1.1 in)	33 years	44 of 100 (Notable)
23 August 1963	Lambton, CA	daily rain	53.6 mm (2.1 in)	28.7 mm (1.1 in)	42 years	37 of 100 (Notable)
23 August 1963	Partapganj, IN	monthly rain	172.0 mm (6.8 in)	19.6 mm (0.8 in)	45 years	37 of 100 (Notable)
23 August 1963	Carlyle, CA	daily rain	37.3 mm (1.5 in)	21.8 mm (0.9 in)	30 years	36 of 100 (Notable)
23 August 1963	Khutauna, IN	daily rain	156.0 mm (6.1 in)	79.8 mm (3.1 in)	12 years	36 of 100 (Notable)
23 August 1963	Tada, IN	monthly rain	76.0 mm (3.0 in)	1.8 mm (0.07 in)	62 years	35 of 100 (Notable)
23 August 1963	Hingoli, IN	daily rain	96.5 mm (3.8 in)	45.7 mm (1.8 in)	24 years	35 of 100 (Notable)
23 August 1963	L'Assomption, CA	daily rain	38.4 mm (1.5 in)	28.0 mm (1.1 in)	20 years	34 of 100 (Routine)
23 August 1963	Sacramento 5 ESE, US	daily low max	23.3 C (73.9 F)	0.6 C (1.1 F)	82 years	33 of 100 (Routine)
23 August 1963	Whiteriver 1 SW, US	daily high min	20.6 C (69.1 F)	2.8 C (5.0 F)	49 years	32 of 100 (Routine)
23 August 1963	Langmorn, AU	daily rain	35.6 mm (1.4 in)	16.5 mm (0.6 in)	29 years	31 of 100 (Routine)
23 August 1963	Wymah (Gwandallen), AU	daily rain	25.9 mm (1.0 in)	10.2 mm (0.4 in)	41 years	31 of 100 (Routine)
23 August 1963	Ladania, IN	daily rain	93.0 mm (3.7 in)	30.8 mm (1.2 in)	50 years	31 of 100 (Routine)
23 August 1963	Whiteriver 1 SW, US	daily low max	23.9 C (75.0 F)	2.2 C (4.0 F)	60 years	31 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

1802 to 1963

Records set or tied on this calendar date in each year from 1802 to 1963. 1963 had 380 records.

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

Records on 08-23 in each year
Year	Records
1802	1
1805	1
1813	2
1816	2
1817	1
1818	1
1829	1
1839	3
1840	1
1846	1
1847	1
1848	1
1853	2
1857	1
1858	1
1864	1
1867	1
1869	1
1870	1
1871	1
1874	2
1877	2
1881	1
1882	2
1883	1
1884	2
1886	1
1887	2
1890	3
1891	4
1892	4
1893	4
1894	2
1895	3
1896	6
1897	1
1898	8
1899	8
1900	2
1901	10
1902	9
1903	9
1904	6
1905	8
1906	27
1907	15
1908	18
1909	10
1910	15
1911	23
1912	44
1913	9
1914	23
1915	63
1916	23
1917	26
1918	91
1919	24
1920	102
1921	280
1922	58
1923	284
1924	127
1925	182
1926	99
1927	198
1928	196
1929	240
1930	432
1931	412
1932	211
1933	342
1934	308
1935	220
1936	980
1937	522
1938	654
1939	439
1940	535
1941	375
1942	540
1943	505
1944	578
1945	338
1946	416
1947	1,071
1948	594
1949	456
1950	461
1951	347
1952	456
1953	292
1954	438
1955	375
1956	501
1957	645
1958	402
1959	494
1960	806
1961	644
1962	364
1963	380
1964	724
1965	357
1966	802
1967	541
1968	1,384
1969	728
1970	518
1971	610
1972	614
1973	650
1974	612
1975	627
1976	703
1977	557
1978	577
1979	459
1980	552
1981	663
1982	713
1983	1,264
1984	862
1985	1,187
1986	839
1987	1,119
1988	1,604
1989	902
1990	661
1991	697
1992	1,291
1993	796
1994	738
1995	1,212
1996	1,161
1997	1,599
1998	1,138
1999	802
2000	936
2001	834
2002	931
2003	1,103
2004	862
2005	786
2006	728
2007	1,513
2008	966
2009	1,241
2010	1,244
2011	1,412
2012	688
2013	397
2014	960
2015	673
2016	595
2017	543
2018	479
2019	445
2020	1,093
2021	629
2022	781
2023	1,287
2024	1,150
2025	1,295
2026	592

Download the Data

Data for records on 1963-08-23: 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	266
10 to 20	26
20 to 30	10
30 to 40	4
40 to 50	2
50 to 60	0
60 to 70	0
70 to 80	1