Weather Records on 17 August 1959

543 weather records were set or tied worldwide on 17 August 1959. Highest significance: Harrisburg, US.

Key Facts for 17 August 1959

On 17 August 1959, 543 weather records were set or tied at long-record stations worldwide.
184 were record highs and 65 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 9 monthly and 534 daily.
Harrisburg set a monthly record daily precipitation of 171.5 mm (6.8 in) on 17 August 1959.
Across 162 earlier years (1797 to 2026) the same calendar date averaged 473 records.

Record Map

543 stations

543 station records on 17 August 1959 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 17 August 1959: highest significance records shown on the map
Station	Country	Type	Value	Significance
Harrisburg	United States	Record daily precipitation	171.5 mm (6.8 in)	69 of 100 (Major)
Bonang	Australia	Record daily precipitation	62.0 mm (2.4 in)	60 of 100 (Major)
Broke (Harrowby)	Australia	Record daily precipitation	36.1 mm (1.4 in)	59 of 100 (Notable)
Delegate River	Australia	Record daily precipitation	47.5 mm (1.9 in)	58 of 100 (Notable)
Mt Vernon 3 NE	United States	Record daily precipitation	109.7 mm (4.3 in)	56 of 100 (Notable)
Ellerston (Hunters Vale)	Australia	Record daily precipitation	42.4 mm (1.7 in)	54 of 100 (Notable)
Sanganer	India	Record daily precipitation	185.4 mm (7.3 in)	52 of 100 (Notable)
Carbondale Sewage Plt	United States	Record daily precipitation	128.0 mm (5.0 in)	52 of 100 (Notable)
Gundy (Miller St)	Australia	Record daily precipitation	46.0 mm (1.8 in)	51 of 100 (Notable)
Monkerai Upper (Redleaf)	Australia	Record daily precipitation	47.0 mm (1.9 in)	51 of 100 (Notable)
Murrurundi Post Office	Australia	Record daily precipitation	37.6 mm (1.5 in)	50 of 100 (Notable)
Brooklyn (Sandbrook Inlet)	Australia	Record daily precipitation	48.8 mm (1.9 in)	48 of 100 (Notable)
Peapalli(Pyapali)	India	Record daily precipitation	97.3 mm (3.8 in)	48 of 100 (Notable)
Morpeth Post Office	Australia	Record daily precipitation	41.9 mm (1.6 in)	45 of 100 (Notable)
Marsrakh	India	Record daily precipitation	142.2 mm (5.6 in)	45 of 100 (Notable)
Paoli	United States	Record daily precipitation	59.7 mm (2.4 in)	45 of 100 (Notable)
Dellicknora (Tellicura)	Australia	Record daily precipitation	40.6 mm (1.6 in)	44 of 100 (Notable)
Wilton	India	Record daily precipitation	128.3 mm (5.1 in)	44 of 100 (Notable)
Gresford Post Office	Australia	Record daily precipitation	50.3 mm (2.0 in)	42 of 100 (Notable)
Khargram	India	Record daily precipitation	127.0 mm (5.0 in)	42 of 100 (Notable)
Tucson WFO	United States	Record daily precipitation	31.2 mm (1.2 in)	42 of 100 (Notable)
Shelbyville 1 E	United States	Record daily precipitation	49.8 mm (2.0 in)	42 of 100 (Notable)
1 ENE Fairfield	United States	Record daily precipitation	76.2 mm (3.0 in)	41 of 100 (Notable)
Owensboro 3ENE	United States	Record daily precipitation	97.0 mm (3.8 in)	40 of 100 (Notable)
Rouchel Brook	Australia	Record daily precipitation	39.4 mm (1.6 in)	39 of 100 (Notable)
Sparta 1 W	United States	Record daily precipitation	148.3 mm (5.8 in)	39 of 100 (Notable)
Grayling	United States	Record daily precipitation	35.8 mm (1.4 in)	39 of 100 (Notable)
Dungog Post Office	Australia	Record daily precipitation	45.7 mm (1.8 in)	38 of 100 (Notable)
Mirannie	Australia	Record daily precipitation	32.8 mm (1.3 in)	38 of 100 (Notable)
Greer	United States	Record daily precipitation	33.0 mm (1.3 in)	38 of 100 (Notable)
Shawneetown Old Town	United States	Record daily precipitation	75.7 mm (3.0 in)	38 of 100 (Notable)
Branxton (Dalwood Vineyard)	Australia	Record daily precipitation	40.6 mm (1.6 in)	37 of 100 (Notable)
Tahlee (Carrington (Church St)	Australia	Record daily precipitation	54.1 mm (2.1 in)	37 of 100 (Notable)
Wingen (Murrulla)	Australia	Record daily precipitation	29.7 mm (1.2 in)	37 of 100 (Notable)
Bruthen (Post Office)	Australia	Record daily precipitation	25.7 mm (1.0 in)	37 of 100 (Notable)
Owensboro Trtmt Plt E	United States	Record daily precipitation	99.8 mm (3.9 in)	37 of 100 (Notable)
Marble Hill	United States	Record daily precipitation	55.9 mm (2.2 in)	37 of 100 (Notable)
Tiffin	United States	Record daily precipitation	52.6 mm (2.1 in)	37 of 100 (Notable)
Cockle Creek (Pasminco Metals)	Australia	Record daily precipitation	64.8 mm (2.6 in)	36 of 100 (Notable)
Butchers Ridge Post Office	Australia	Record daily precipitation	26.9 mm (1.1 in)	36 of 100 (Notable)
Pointe Au Pere	Canada	Record daily precipitation	33.0 mm (1.3 in)	35 of 100 (Notable)
Munchen-Nymphenburg	Germany	Record low maximum temperature	14.4 C (57.9 F)	35 of 100 (Notable)
Carmi 6 NW	United States	Record daily precipitation	53.3 mm (2.1 in)	35 of 100 (Notable)
Du Quoin 4 SE	United States	Record daily precipitation	136.7 mm (5.4 in)	35 of 100 (Notable)
Vincennes 4 E	United States	Record daily precipitation	53.3 mm (2.1 in)	35 of 100 (Notable)
Addison Dam 45	United States	Record daily precipitation	62.2 mm (2.4 in)	34 of 100 (Routine)
Animas 3ESE	United States	Record daily precipitation	40.6 mm (1.6 in)	34 of 100 (Routine)
Cooranbong (Avondale)	Australia	Record daily precipitation	26.2 mm (1.0 in)	33 of 100 (Routine)
Paterson Post Office	Australia	Record daily precipitation	45.2 mm (1.8 in)	33 of 100 (Routine)
Sarajevo	Bosnia and Herzegovina	Record daily precipitation	34.2 mm (1.3 in)	33 of 100 (Routine)
Brockville	Canada	Record daily precipitation	35.1 mm (1.4 in)	33 of 100 (Routine)
Bangalore	India	Record daily precipitation	48.0 mm (1.9 in)	33 of 100 (Routine)
Jeffersonville	United States	Record daily precipitation	44.2 mm (1.7 in)	33 of 100 (Routine)
Claude	United States	Record daily precipitation	55.9 mm (2.2 in)	33 of 100 (Routine)
Khurja	India	Record daily precipitation	127.0 mm (5.0 in)	32 of 100 (Routine)
Flora 5 NW	United States	Record daily precipitation	50.5 mm (2.0 in)	32 of 100 (Routine)
Edwardsport Pwr Plt	United States	Record daily precipitation	49.3 mm (1.9 in)	32 of 100 (Routine)
New Castle 1 N	United States	Record high minimum temperature	23.3 C (73.9 F)	32 of 100 (Routine)
Bulahdelah Post Office	Australia	Record daily precipitation	53.3 mm (2.1 in)	31 of 100 (Routine)
Fassifern	Australia	Record daily precipitation	57.4 mm (2.3 in)	31 of 100 (Routine)

Counts by Type and Timescale

543 records

Records set or tied on 17 August 1959 by type: Highest daily maximum 71, Lowest daily maximum 41, Highest daily minimum 113, Lowest daily minimum 24, Heaviest daily rainfall 294.

Records on 17 August 1959 by type
Record type	Records
Highest daily maximum	71
Lowest daily maximum	41
Highest daily minimum	113
Lowest daily minimum	24
Heaviest daily rainfall	294
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 17 August 1959 by timescale: all-time 0, monthly 9, daily 534.

How Much Records Were Beaten By

436 broken records

Margins by which the 436 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 78.7. Ties are not counted.

Top 20 by Significance

17 August 1959

Top 20 records on 17 August 1959 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
17 August 1959	Harrisburg, US	monthly rain	171.5 mm (6.8 in)	62.5 mm (2.5 in)	44 years	69 of 100 (Major)
17 August 1959	Bonang, AU	daily rain	62.0 mm (2.4 in)	37.9 mm (1.5 in)	45 years	60 of 100 (Major)
17 August 1959	Broke (Harrowby), AU	daily rain	36.1 mm (1.4 in)	29.7 mm (1.2 in)	40 years	59 of 100 (Notable)
17 August 1959	Delegate River, AU	daily rain	47.5 mm (1.9 in)	31.2 mm (1.2 in)	44 years	58 of 100 (Notable)
17 August 1959	Mt Vernon 3 NE, US	daily rain	109.7 mm (4.3 in)	71.1 mm (2.8 in)	36 years	56 of 100 (Notable)
17 August 1959	Ellerston (Hunters Vale), AU	daily rain	42.4 mm (1.7 in)	32.2 mm (1.3 in)	42 years	54 of 100 (Notable)
17 August 1959	Sanganer, IN	monthly rain	185.4 mm (7.3 in)	48.0 mm (1.9 in)	47 years	52 of 100 (Notable)
17 August 1959	Carbondale Sewage Plt, US	monthly rain	128.0 mm (5.0 in)	32.7 mm (1.3 in)	44 years	52 of 100 (Notable)
17 August 1959	Gundy (Miller St), AU	daily rain	46.0 mm (1.8 in)	33.3 mm (1.3 in)	16 years	51 of 100 (Notable)
17 August 1959	Monkerai Upper (Redleaf), AU	daily rain	47.0 mm (1.9 in)	39.4 mm (1.6 in)	40 years	51 of 100 (Notable)
17 August 1959	Murrurundi Post Office, AU	daily rain	37.6 mm (1.5 in)	18.5 mm (0.7 in)	76 years	50 of 100 (Notable)
17 August 1959	Brooklyn (Sandbrook Inlet), AU	daily rain	48.8 mm (1.9 in)	42.4 mm (1.7 in)	33 years	48 of 100 (Notable)
17 August 1959	Peapalli(Pyapali), IN	monthly rain	97.3 mm (3.8 in)	20.6 mm (0.8 in)	53 years	48 of 100 (Notable)
17 August 1959	Morpeth Post Office, AU	daily rain	41.9 mm (1.6 in)	26.7 mm (1.1 in)	59 years	45 of 100 (Notable)
17 August 1959	Marsrakh, IN	daily rain	142.2 mm (5.6 in)	78.7 mm (3.1 in)	37 years	45 of 100 (Notable)
17 August 1959	Paoli, US	daily rain	59.7 mm (2.4 in)	33.8 mm (1.3 in)	52 years	45 of 100 (Notable)
17 August 1959	Dellicknora (Tellicura), AU	daily rain	40.6 mm (1.6 in)	37.0 mm (1.5 in)	0 years	44 of 100 (Notable)
17 August 1959	Wilton, IN	daily rain	128.3 mm (5.1 in)	61.2 mm (2.4 in)	36 years	44 of 100 (Notable)
17 August 1959	Gresford Post Office, AU	daily rain	50.3 mm (2.0 in)	25.4 mm (1.0 in)	59 years	42 of 100 (Notable)
17 August 1959	Khargram, IN	daily rain	127.0 mm (5.0 in)	71.1 mm (2.8 in)	4 years	42 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

1797 to 1959

Records set or tied on this calendar date in each year from 1797 to 1959. 1959 had 543 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 1959-08-17: 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 10	305
10 to 20	62
20 to 30	40
30 to 40	17
40 to 50	7
50 to 60	0
60 to 70	2
70 to 80	3