Weather Records on 21 September 1959

513 weather records were set or tied worldwide on 21 September 1959. Highest significance: Bonang, AU.

Key Facts for 21 September 1959

On 21 September 1959, 513 weather records were set or tied at long-record stations worldwide.
95 were record highs and 79 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 25 monthly and 486 daily.
Bonang set a monthly record daily precipitation of 118.4 mm (4.7 in) on 21 September 1959.
Across 155 earlier years (1805 to 2026) the same calendar date averaged 451 records.

Record Map

513 stations

513 station records on 21 September 1959 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 September 1959: highest significance records shown on the map
Station	Country	Type	Value	Significance
Bonang	Australia	Record daily precipitation	118.4 mm (4.7 in)	75 of 100 (Major)
Delegate River	Australia	Record daily precipitation	114.3 mm (4.5 in)	72 of 100 (Major)
Cooma Lambie Street	Australia	Record daily precipitation	41.4 mm (1.6 in)	71 of 100 (Major)
Bukalong Station	Australia	Record daily precipitation	51.8 mm (2.0 in)	70 of 100 (Major)
Bruthen (Post Office)	Australia	Record daily precipitation	89.7 mm (3.5 in)	69 of 100 (Major)
Jimenbuen	Australia	Record daily precipitation	49.0 mm (1.9 in)	68 of 100 (Major)
Woori Yallock	Australia	Record daily precipitation	135.6 mm (5.3 in)	68 of 100 (Major)
Bendoc Park	Australia	Record daily precipitation	73.4 mm (2.9 in)	67 of 100 (Major)
Goulds Country Post Office	Australia	Record daily precipitation	124.5 mm (4.9 in)	67 of 100 (Major)
Kew	Australia	Record daily precipitation	37.3 mm (1.5 in)	66 of 100 (Major)
Ness City	United States	Record daily precipitation	121.4 mm (4.8 in)	63 of 100 (Major)
Dellicknora (Tellicura)	Australia	Record daily precipitation	94.7 mm (3.7 in)	61 of 100 (Major)
Dalgety (Hamilton St)	Australia	Record daily precipitation	30.7 mm (1.2 in)	60 of 100 (Major)
Dutson	Australia	Record daily precipitation	48.3 mm (1.9 in)	60 of 100 (Major)
Epping	Australia	Record daily precipitation	62.7 mm (2.5 in)	60 of 100 (Major)
Genoa	Australia	Record daily precipitation	64.8 mm (2.6 in)	59 of 100 (Notable)
Toorourrong Reservoir (Toorour	Australia	Record daily precipitation	41.9 mm (1.6 in)	59 of 100 (Notable)
Marburg - Warrego Highway	Australia	Record daily precipitation	43.2 mm (1.7 in)	58 of 100 (Notable)
Burnley	Australia	Record daily precipitation	56.1 mm (2.2 in)	58 of 100 (Notable)
Butchers Ridge Post Office	Australia	Record daily precipitation	100.8 mm (4.0 in)	57 of 100 (Notable)
Yan Yean	Australia	Record daily precipitation	37.3 mm (1.5 in)	57 of 100 (Notable)
Fingal (Legge Street)	Australia	Record daily precipitation	63.5 mm (2.5 in)	57 of 100 (Notable)
Delegate Station	Australia	Record daily precipitation	75.9 mm (3.0 in)	56 of 100 (Notable)
Kinglake West (Wallaby Creek)	Australia	Record daily precipitation	58.4 mm (2.3 in)	56 of 100 (Notable)
Maria Island (Darlington)	Australia	Record daily precipitation	41.1 mm (1.6 in)	56 of 100 (Notable)
Warburton	Australia	Record daily precipitation	174.5 mm (6.9 in)	55 of 100 (Notable)
Killarney Post Office	Australia	Record daily precipitation	52.1 mm (2.1 in)	54 of 100 (Notable)
Rathdowney Post Office	Australia	Record daily precipitation	43.7 mm (1.7 in)	53 of 100 (Notable)
Blackwarry	Australia	Record daily precipitation	64.8 mm (2.6 in)	53 of 100 (Notable)
St Marys (Clive Street)	Australia	Record daily precipitation	143.5 mm (5.6 in)	53 of 100 (Notable)
Carrajung Post Office	Australia	Record daily precipitation	73.7 mm (2.9 in)	52 of 100 (Notable)
Stradbroke Post Office	Australia	Record daily precipitation	50.0 mm (2.0 in)	52 of 100 (Notable)
Yarram	Australia	Record daily precipitation	76.2 mm (3.0 in)	52 of 100 (Notable)
Heidelberg (Rosanna)	Australia	Record daily precipitation	45.2 mm (1.8 in)	52 of 100 (Notable)
Whittlesea	Australia	Record daily precipitation	44.5 mm (1.8 in)	52 of 100 (Notable)
St Marys (Cullenswood)	Australia	Record daily precipitation	51.3 mm (2.0 in)	52 of 100 (Notable)
Linkoeping-Malmslaett	Sweden	Record daily precipitation	30.1 mm (1.2 in)	52 of 100 (Notable)
Beaudesert Cryna	Australia	Record daily precipitation	40.9 mm (1.6 in)	51 of 100 (Notable)
Numbla	Australia	Record daily precipitation	54.4 mm (2.1 in)	51 of 100 (Notable)
Seaspray (Burong)	Australia	Record daily precipitation	31.0 mm (1.2 in)	51 of 100 (Notable)
Cathcart (Old Post Office)	Australia	Record daily precipitation	51.3 mm (2.0 in)	49 of 100 (Notable)
Eddystone Point	Australia	Record daily precipitation	47.8 mm (1.9 in)	49 of 100 (Notable)
Fernbank	Australia	Record daily precipitation	53.3 mm (2.1 in)	48 of 100 (Notable)
Lilydale	Australia	Record daily precipitation	52.3 mm (2.1 in)	48 of 100 (Notable)
Coranderrk Badger Weir	Australia	Record daily precipitation	58.7 mm (2.3 in)	48 of 100 (Notable)
Vanersborg	Sweden	Record daily precipitation	29.3 mm (1.2 in)	48 of 100 (Notable)
Ennis	United States	Record daily precipitation	33.8 mm (1.3 in)	48 of 100 (Notable)
Harrisville Post Office	Australia	Record daily precipitation	38.9 mm (1.5 in)	47 of 100 (Notable)
Coorparoo Bowls Club	Australia	Record daily precipitation	35.3 mm (1.4 in)	46 of 100 (Notable)
Cooma (Kiaora)	Australia	Record daily precipitation	36.8 mm (1.4 in)	46 of 100 (Notable)
Omeo Comparison	Australia	Record daily precipitation	40.4 mm (1.6 in)	46 of 100 (Notable)
Clydebank	Australia	Record daily precipitation	40.4 mm (1.6 in)	46 of 100 (Notable)
Virginia City	United States	Record daily snowfall	20.3 cm (8.0 in)	46 of 100 (Notable)
Minocqua	United States	Record daily precipitation	87.6 mm (3.4 in)	46 of 100 (Notable)
Rest Lake	United States	Record daily precipitation	62.7 mm (2.5 in)	46 of 100 (Notable)
Bombala (Cambalong)	Australia	Record daily precipitation	52.1 mm (2.1 in)	45 of 100 (Notable)
Reedy Flat	Australia	Record daily precipitation	71.1 mm (2.8 in)	45 of 100 (Notable)
Tannymorel	Australia	Record daily precipitation	50.0 mm (2.0 in)	44 of 100 (Notable)
Rocky Hall Post Office	Australia	Record daily precipitation	33.0 mm (1.3 in)	44 of 100 (Notable)
Balipara(Addibar) Sr	India	Record daily precipitation	137.4 mm (5.4 in)	44 of 100 (Notable)

Counts by Type and Timescale

513 records

Records set or tied on 21 September 1959 by type: Highest daily maximum 23, Lowest daily maximum 49, Highest daily minimum 72, Lowest daily minimum 30, Heaviest daily rainfall 337, Heaviest daily snowfall 2.

Records on 21 September 1959 by type
Record type	Records
Highest daily maximum	23
Lowest daily maximum	49
Highest daily minimum	72
Lowest daily minimum	30
Heaviest daily rainfall	337
Heaviest daily snowfall	2
Deepest snow cover	0

Records on 21 September 1959 by timescale: all-time 2, monthly 25, daily 486.

How Much Records Were Beaten By

452 broken records

Margins by which the 452 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 152.0. Ties are not counted.

Top 20 by Significance

21 September 1959

Top 20 records on 21 September 1959 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 September 1959	Bonang, AU	monthly rain	118.4 mm (4.7 in)	42.2 mm (1.7 in)	63 years	75 of 100 (Major)
21 September 1959	Delegate River, AU	monthly rain	114.3 mm (4.5 in)	54.6 mm (2.1 in)	56 years	72 of 100 (Major)
21 September 1959	Cooma Lambie Street, AU	daily rain	41.4 mm (1.6 in)	27.4 mm (1.1 in)	70 years	71 of 100 (Major)
21 September 1959	Bukalong Station, AU	daily rain	51.8 mm (2.0 in)	35.8 mm (1.4 in)	73 years	70 of 100 (Major)
21 September 1959	Bruthen (Post Office), AU	daily rain	89.7 mm (3.5 in)	63.5 mm (2.5 in)	73 years	69 of 100 (Major)
21 September 1959	Jimenbuen, AU	daily rain	49.0 mm (1.9 in)	33.8 mm (1.3 in)	70 years	68 of 100 (Major)
21 September 1959	Woori Yallock, AU	all-time rain	135.6 mm (5.3 in)	31.5 mm (1.2 in)	13 years	68 of 100 (Major)
21 September 1959	Bendoc Park, AU	monthly rain	73.4 mm (2.9 in)	32.0 mm (1.3 in)	36 years	67 of 100 (Major)
21 September 1959	Goulds Country Post Office, AU	monthly rain	124.5 mm (4.9 in)	60.7 mm (2.4 in)	36 years	67 of 100 (Major)
21 September 1959	Kew, AU	daily rain	37.3 mm (1.5 in)	22.1 mm (0.9 in)	72 years	66 of 100 (Major)
21 September 1959	Ness City, US	daily rain	121.4 mm (4.8 in)	110.0 mm (4.3 in)	56 years	63 of 100 (Major)
21 September 1959	Dellicknora (Tellicura), AU	monthly rain	94.7 mm (3.7 in)	57.6 mm (2.3 in)	26 years	61 of 100 (Major)
21 September 1959	Dalgety (Hamilton St), AU	daily rain	30.7 mm (1.2 in)	19.5 mm (0.8 in)	61 years	60 of 100 (Major)
21 September 1959	Dutson, AU	daily rain	48.3 mm (1.9 in)	33.1 mm (1.3 in)	49 years	60 of 100 (Major)
21 September 1959	Epping, AU	daily rain	62.7 mm (2.5 in)	46.7 mm (1.8 in)	50 years	60 of 100 (Major)
21 September 1959	Genoa, AU	daily rain	64.8 mm (2.6 in)	48.3 mm (1.9 in)	49 years	59 of 100 (Notable)
21 September 1959	Toorourrong Reservoir (Toorour, AU	daily rain	41.9 mm (1.6 in)	26.7 mm (1.1 in)	57 years	59 of 100 (Notable)
21 September 1959	Marburg - Warrego Highway, AU	daily rain	43.2 mm (1.7 in)	35.8 mm (1.4 in)	52 years	58 of 100 (Notable)
21 September 1959	Burnley, AU	daily rain	56.1 mm (2.2 in)	42.1 mm (1.7 in)	41 years	58 of 100 (Notable)
21 September 1959	Butchers Ridge Post Office, AU	daily rain	100.8 mm (4.0 in)	79.2 mm (3.1 in)	36 years	57 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

1805 to 1959

Records set or tied on this calendar date in each year from 1805 to 1959. 1959 had 513 records.

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

Records on 09-21 in each year
Year	Records
1805	1
1812	1
1825	2
1840	1
1841	1
1842	1
1848	1
1854	1
1856	2
1868	1
1872	2
1873	1
1877	1
1878	1
1881	1
1882	1
1884	1
1886	1
1888	2
1889	1
1891	10
1892	1
1893	10
1894	2
1895	3
1896	2
1897	6
1898	6
1899	3
1900	2
1901	5
1902	5
1903	8
1904	20
1905	12
1906	17
1907	10
1908	17
1909	10
1910	8
1911	18
1912	26
1913	37
1914	29
1915	34
1916	48
1917	28
1918	43
1919	54
1920	29
1921	64
1922	35
1923	232
1924	291
1925	278
1926	178
1927	165
1928	81
1929	232
1930	82
1931	681
1932	242
1933	193
1934	492
1935	199
1936	329
1937	487
1938	508
1939	308
1940	908
1941	416
1942	291
1943	407
1944	413
1945	507
1946	176
1947	534
1948	301
1949	298
1950	334
1951	241
1952	430
1953	382
1954	453
1955	752
1956	1,100
1957	366
1958	588
1959	513
1960	418
1961	441
1962	1,085
1963	306
1964	374
1965	1,088
1966	565
1967	577
1968	790
1969	593
1970	708
1971	645
1972	599
1973	421
1974	652
1975	528
1976	694
1977	918
1978	818
1979	736
1980	990
1981	696
1982	1,484
1983	2,207
1984	707
1985	796
1986	671
1987	965
1988	557
1989	1,002
1990	716
1991	1,021
1992	752
1993	911
1994	713
1995	2,002
1996	1,233
1997	1,112
1998	1,481
1999	1,025
2000	884
2001	718
2002	696
2003	959
2004	888
2005	1,143
2006	920
2007	742
2008	740
2009	715
2010	1,290
2011	542
2012	595
2013	769
2014	716
2015	565
2016	989
2017	1,178
2018	1,051
2019	833
2020	580
2021	465
2022	1,049
2023	783
2024	470
2025	588
2026	469

Download the Data

Data for records on 1959-09-21: 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	360
20 to 40	71
40 to 60	15
60 to 80	4
80 to 100	0
100 to 120	1
120 to 140	0
140 to 160	1