Weather Records on 17 August 1963

650 weather records were set or tied worldwide on 17 August 1963. Highest significance: Cheljabinsk-Balandi, RU.

Key Facts for 17 August 1963

On 17 August 1963, 650 weather records were set or tied at long-record stations worldwide.
40 were record highs and 417 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 7 monthly and 643 daily.
Cheljabinsk-Balandi set a daily record precipitation of 43.6 mm (1.7 in) on 17 August 1963.
Across 162 earlier years (1797 to 2026) the same calendar date averaged 473 records.

Record Map

650 stations

650 station records on 17 August 1963 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 17 August 1963: highest significance records shown on the map
Station	Country	Type	Value	Significance
Cheljabinsk-Balandi	Russia	Record daily precipitation	43.6 mm (1.7 in)	59 of 100 (Notable)
Tharsa	India	Record daily precipitation	143.4 mm (5.6 in)	52 of 100 (Notable)
Farmerville	United States	Record low minimum temperature	13.9 C (57.0 F)	51 of 100 (Notable)
Wardha	India	Record daily precipitation	125.4 mm (4.9 in)	50 of 100 (Notable)
Rehli	India	Record daily precipitation	169.0 mm (6.7 in)	49 of 100 (Notable)
Hinganghat	India	Record daily precipitation	121.0 mm (4.8 in)	45 of 100 (Notable)
Sirpur	India	Record daily precipitation	147.3 mm (5.8 in)	43 of 100 (Notable)
Ruston la Tech	United States	Record low minimum temperature	13.3 C (55.9 F)	43 of 100 (Notable)
Mehkar	India	Record daily precipitation	111.3 mm (4.4 in)	41 of 100 (Notable)
Watseka Public Works	United States	Record low minimum temperature	5.6 C (42.1 F)	39 of 100 (Notable)
Globe Rs	United States	Record low maximum temperature	25.6 C (78.1 F)	37 of 100 (Notable)
Franklin 3 NW	United States	Record low minimum temperature	17.2 C (63.0 F)	37 of 100 (Notable)
Umerkhed	India	Record daily precipitation	85.2 mm (3.4 in)	36 of 100 (Notable)
Litchfield Park	United States	Record daily precipitation	33.8 mm (1.3 in)	36 of 100 (Notable)
Arcadia	United States	Record low minimum temperature	16.1 C (61.0 F)	36 of 100 (Notable)
Husum	Germany	Record daily precipitation	40.3 mm (1.6 in)	33 of 100 (Routine)
Katangi	India	Record daily precipitation	98.2 mm (3.9 in)	33 of 100 (Routine)
Tropic	United States	Record daily precipitation	30.7 mm (1.2 in)	33 of 100 (Routine)
Beatrice	Canada	Record low maximum temperature	16.7 C (62.1 F)	32 of 100 (Routine)
Tortosa - Observatorio del Ebr	Spain	Record low maximum temperature	25.8 C (78.4 F)	32 of 100 (Routine)
Skegness	United Kingdom	Record daily precipitation	35.6 mm (1.4 in)	32 of 100 (Routine)
Bright Angel Rs	United States	Record daily precipitation	46.5 mm (1.8 in)	32 of 100 (Routine)
Winnsboro 5 SSE	United States	Record low maximum temperature	30.6 C (87.1 F)	32 of 100 (Routine)
Pocomoke City	United States	Record low minimum temperature	9.4 C (48.9 F)	32 of 100 (Routine)
Athens 5 NW	United States	Record low minimum temperature	7.8 C (46.0 F)	32 of 100 (Routine)
Blackville 3 W	United States	Record low minimum temperature	15.6 C (60.1 F)	32 of 100 (Routine)
Dillingham FAA AP	United States	Record daily precipitation	30.2 mm (1.2 in)	32 of 100 (Routine)
Cambridge Galt Moe	Canada	Record low maximum temperature	20.0 C (68.0 F)	31 of 100 (Routine)
Hoshangabad	India	Record daily precipitation	112.4 mm (4.4 in)	31 of 100 (Routine)
Charlevoix	United States	Record daily precipitation	31.0 mm (1.2 in)	31 of 100 (Routine)
Beaumont City	United States	Record low minimum temperature	18.9 C (66.0 F)	31 of 100 (Routine)
Talkeetna AP	United States	Record daily precipitation	36.6 mm (1.4 in)	31 of 100 (Routine)
Ekaterinburg	Russia	Record daily precipitation	25.5 mm (1.0 in)	30 of 100 (Routine)
Fernandina Beach	United States	Record low maximum temperature	28.9 C (84.0 F)	30 of 100 (Routine)
Valdosta 2 S	United States	Record daily precipitation	41.1 mm (1.6 in)	30 of 100 (Routine)
Anderson 1 N	United States	Record low maximum temperature	20.6 C (69.1 F)	30 of 100 (Routine)
Covington 8 WNW	United States	Record low minimum temperature	15.6 C (60.1 F)	30 of 100 (Routine)
De Ridder	United States	Record low minimum temperature	15.6 C (60.1 F)	30 of 100 (Routine)
Natchitoches	United States	Record low minimum temperature	14.4 C (57.9 F)	30 of 100 (Routine)
Sigmarszell-Zeisertsweiler	Germany	Record daily precipitation	42.1 mm (1.7 in)	29 of 100 (Routine)
Gangapur Sahara	India	Record daily precipitation	82.5 mm (3.2 in)	29 of 100 (Routine)
Phoenix Indian School	United States	Record daily precipitation	29.2 mm (1.1 in)	29 of 100 (Routine)
Isleworth	United States	Record daily precipitation	55.4 mm (2.2 in)	29 of 100 (Routine)
Valparaiso Wtr Wks	United States	Record low minimum temperature	6.7 C (44.1 F)	29 of 100 (Routine)
Greensburg	United States	Record low minimum temperature	10.0 C (50.0 F)	29 of 100 (Routine)
Wytheville	United States	Record low minimum temperature	10.0 C (50.0 F)	29 of 100 (Routine)
Durham	Canada	Record low maximum temperature	16.1 C (61.0 F)	28 of 100 (Routine)
Manouan Sanmaur	Canada	Record daily precipitation	35.6 mm (1.4 in)	28 of 100 (Routine)
Risod	India	Record daily precipitation	135.1 mm (5.3 in)	28 of 100 (Routine)
Avalon Pleasure Pier	United States	Record high maximum temperature	30.6 C (87.1 F)	28 of 100 (Routine)
Lamar	United States	Record high minimum temperature	21.7 C (71.1 F)	28 of 100 (Routine)
Meeker	United States	Record high minimum temperature	14.4 C (57.9 F)	28 of 100 (Routine)
Booneville	United States	Record low minimum temperature	15.0 C (59.0 F)	28 of 100 (Routine)
Reidsville	United States	Record low minimum temperature	14.4 C (57.9 F)	28 of 100 (Routine)
Kingstree	United States	Record low minimum temperature	15.6 C (60.1 F)	28 of 100 (Routine)
Brunswick	United States	Record low minimum temperature	20.0 C (68.0 F)	27 of 100 (Routine)
Webster City	United States	Record low maximum temperature	20.6 C (69.1 F)	27 of 100 (Routine)
Russellville	United States	Record low minimum temperature	13.3 C (55.9 F)	27 of 100 (Routine)
Grand Coteau	United States	Record low minimum temperature	17.2 C (63.0 F)	27 of 100 (Routine)
Two Harbors	United States	Record low minimum temperature	5.6 C (42.1 F)	27 of 100 (Routine)

Counts by Type and Timescale

650 records

Records set or tied on 17 August 1963 by type: Highest daily maximum 8, Lowest daily maximum 151, Highest daily minimum 32, Lowest daily minimum 266, Heaviest daily rainfall 192, Heaviest daily snowfall 1.

Records on 17 August 1963 by type
Record type	Records
Highest daily maximum	8
Lowest daily maximum	151
Highest daily minimum	32
Lowest daily minimum	266
Heaviest daily rainfall	192
Heaviest daily snowfall	1
Deepest snow cover	0

Records on 17 August 1963 by timescale: all-time 0, monthly 7, daily 643.

How Much Records Were Beaten By

495 broken records

Margins by which the 495 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 102.8. Ties are not counted.

Top 20 by Significance

17 August 1963

Top 20 records on 17 August 1963 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
17 August 1963	Cheljabinsk-Balandi, RU	daily rain	43.6 mm (1.7 in)	27.1 mm (1.1 in)	56 years	59 of 100 (Notable)
17 August 1963	Tharsa, IN	daily rain	143.4 mm (5.6 in)	102.8 mm (4.0 in)	28 years	52 of 100 (Notable)
17 August 1963	Farmerville, US	daily low min	13.9 C (57.0 F)	6.1 C (11.0 F)	63 years	51 of 100 (Notable)
17 August 1963	Wardha, IN	daily rain	125.4 mm (4.9 in)	68.8 mm (2.7 in)	37 years	50 of 100 (Notable)
17 August 1963	Rehli, IN	daily rain	169.0 mm (6.7 in)	85.2 mm (3.4 in)	37 years	49 of 100 (Notable)
17 August 1963	Hinganghat, IN	daily rain	121.0 mm (4.8 in)	55.7 mm (2.2 in)	48 years	45 of 100 (Notable)
17 August 1963	Sirpur, IN	monthly rain	147.3 mm (5.8 in)	29.7 mm (1.2 in)	32 years	43 of 100 (Notable)
17 August 1963	Ruston la Tech, US	daily low min	13.3 C (55.9 F)	4.5 C (8.1 F)	56 years	43 of 100 (Notable)
17 August 1963	Mehkar, IN	daily rain	111.3 mm (4.4 in)	36.1 mm (1.4 in)	48 years	41 of 100 (Notable)
17 August 1963	Watseka Public Works, US	daily low min	5.6 C (42.1 F)	5.5 C (9.9 F)	63 years	39 of 100 (Notable)
17 August 1963	Globe Rs, US	daily low max	25.6 C (78.1 F)	4.4 C (7.9 F)	54 years	37 of 100 (Notable)
17 August 1963	Franklin 3 NW, US	daily low min	17.2 C (63.0 F)	2.8 C (5.0 F)	33 years	37 of 100 (Notable)
17 August 1963	Umerkhed, IN	daily rain	85.2 mm (3.4 in)	22.7 mm (0.9 in)	57 years	36 of 100 (Notable)
17 August 1963	Litchfield Park, US	daily rain	33.8 mm (1.3 in)	24.1 mm (0.9 in)	42 years	36 of 100 (Notable)
17 August 1963	Arcadia, US	monthly low min	16.1 C (61.0 F)	0.6 C (1.1 F)	56 years	36 of 100 (Notable)
17 August 1963	Husum, DE	daily rain	40.3 mm (1.6 in)	12.5 mm (0.5 in)	32 years	33 of 100 (Routine)
17 August 1963	Katangi, IN	daily rain	98.2 mm (3.9 in)	34.2 mm (1.3 in)	44 years	33 of 100 (Routine)
17 August 1963	Tropic, US	daily rain	30.7 mm (1.2 in)	5.3 mm (0.21 in)	69 years	33 of 100 (Routine)
17 August 1963	Beatrice, CA	daily low max	16.7 C (62.1 F)	0.5 C (0.9 F)	76 years	32 of 100 (Routine)
17 August 1963	Tortosa - Observatorio del Ebr, ES	daily low max	25.8 C (78.4 F)	2.6 C (4.7 F)	54 years	32 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

1797 to 1963

Records set or tied on this calendar date in each year from 1797 to 1963. 1963 had 650 records.

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

Records on 08-17 in each year
Year	Records
1797	2
1802	2
1820	2
1837	1
1838	2
1841	2
1842	1
1845	2
1853	1
1854	1
1856	1
1857	1
1861	3
1862	1
1867	1
1868	3
1869	1
1872	1
1875	2
1876	5
1879	1
1881	1
1882	1
1883	2
1885	3
1886	1
1888	5
1891	1
1892	3
1893	2
1894	3
1895	2
1896	3
1897	1
1898	5
1899	8
1900	3
1901	14
1902	7
1903	6
1904	2
1905	11
1906	28
1907	9
1908	26
1909	24
1910	17
1911	18
1912	31
1913	79
1914	41
1915	28
1916	33
1917	35
1918	112
1919	37
1920	110
1921	37
1922	169
1923	161
1924	171
1925	130
1926	182
1927	228
1928	131
1929	243
1930	138
1931	302
1932	360
1933	260
1934	377
1935	437
1936	670
1937	726
1938	466
1939	364
1940	341
1941	378
1942	461
1943	743
1944	531
1945	387
1946	433
1947	682
1948	475
1949	371
1950	522
1951	413
1952	470
1953	345
1954	685
1955	465
1956	407
1957	504
1958	519
1959	543
1960	533
1961	998
1962	445
1963	650
1964	410
1965	641
1966	496
1967	679
1968	953
1969	593
1970	467
1971	447
1972	1,044
1973	750
1974	582
1975	612
1976	797
1977	1,216
1978	814
1979	1,464
1980	895
1981	1,112
1982	554
1983	1,574
1984	726
1985	948
1986	916
1987	1,150
1988	1,608
1989	687
1990	949
1991	560
1992	1,813
1993	803
1994	1,038
1995	1,724
1996	752
1997	1,544
1998	1,003
1999	697
2000	994
2001	1,101
2002	1,266
2003	948
2004	1,046
2005	722
2006	814
2007	1,646
2008	1,301
2009	922
2010	1,105
2011	956
2012	1,215
2013	802
2014	997
2015	890
2016	748
2017	544
2018	518
2019	467
2020	1,529
2021	800
2022	1,428
2023	1,032
2024	740
2025	538
2026	535

Download the Data

Data for records on 1963-08-17: 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 20	470
20 to 40	19
40 to 60	2
60 to 80	2
80 to 100	1
100 to 120	1