Weather Records on 29 September 1973

769 weather records were set or tied worldwide on 29 September 1973. Highest significance: Illawarra, ZA.

Key Facts for 29 September 1973

On 29 September 1973, 769 weather records were set or tied at long-record stations worldwide.
170 were record highs and 110 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 67 monthly and 701 daily.
Illawarra set a monthly record daily precipitation of 68.6 mm (2.7 in) on 29 September 1973.
Across 157 earlier years (1836 to 2026) the same calendar date averaged 447 records.

Record Map

769 stations

769 station records on 29 September 1973 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 29 September 1973: highest significance records shown on the map
Station	Country	Type	Value	Significance
Illawarra	South Africa	Record daily precipitation	68.6 mm (2.7 in)	70 of 100 (Major)
Gingindlovu	South Africa	Record daily precipitation	152.0 mm (6.0 in)	64 of 100 (Major)
Mason City	United States	Record daily precipitation	71.9 mm (2.8 in)	64 of 100 (Major)
Ceylon (Bos)	South Africa	Record daily precipitation	96.0 mm (3.8 in)	63 of 100 (Major)
Banderlierkop (Pol)	South Africa	Record daily precipitation	25.0 mm (1.0 in)	63 of 100 (Major)
Riverview	South Africa	Record daily precipitation	181.7 mm (7.2 in)	62 of 100 (Major)
Kulu Halt	South Africa	Record daily precipitation	139.0 mm (5.5 in)	61 of 100 (Major)
Ibiapina	Brazil	Record daily precipitation	60.0 mm (2.4 in)	60 of 100 (Major)
Mtunzini	South Africa	Record daily precipitation	148.6 mm (5.9 in)	60 of 100 (Major)
Kangela, Mtubatuba	South Africa	Record daily precipitation	193.4 mm (7.6 in)	60 of 100 (Major)
Forestburg 4 NNE	United States	Record daily precipitation	60.2 mm (2.4 in)	60 of 100 (Major)
Fairview	South Africa	Record daily precipitation	161.5 mm (6.4 in)	59 of 100 (Notable)
Newport	United States	Record daily precipitation	46.2 mm (1.8 in)	59 of 100 (Notable)
Makakatana	South Africa	Record daily precipitation	122.5 mm (4.8 in)	58 of 100 (Notable)
Castle Rock	United States	Record daily precipitation	32.5 mm (1.3 in)	58 of 100 (Notable)
Driekoppies	South Africa	Record daily precipitation	44.9 mm (1.8 in)	57 of 100 (Notable)
Skukuza	South Africa	Record daily precipitation	77.0 mm (3.0 in)	56 of 100 (Notable)
Pilgrims Rest (Pol)	South Africa	Record daily precipitation	85.0 mm (3.3 in)	56 of 100 (Notable)
Mamakuil	South Africa	Record daily precipitation	33.0 mm (1.3 in)	56 of 100 (Notable)
Groblersplaas	South Africa	Record daily precipitation	70.0 mm (2.8 in)	56 of 100 (Notable)
Black Hills	South Africa	Record daily precipitation	52.5 mm (2.1 in)	55 of 100 (Notable)
Morgantown Muni AP	United States	Record daily precipitation	33.8 mm (1.3 in)	55 of 100 (Notable)
Rooijantjiesfontein	South Africa	Record daily precipitation	59.0 mm (2.3 in)	54 of 100 (Notable)
Welverdiend (Pol)	South Africa	Record daily precipitation	53.5 mm (2.1 in)	50 of 100 (Notable)
Vastrap	South Africa	Record daily precipitation	45.5 mm (1.8 in)	49 of 100 (Notable)
Canfield 1 S	United States	Record daily precipitation	68.1 mm (2.7 in)	49 of 100 (Notable)
Winburg (Pol)	South Africa	Record daily precipitation	30.0 mm (1.2 in)	48 of 100 (Notable)
Zilverhout	South Africa	Record daily precipitation	93.0 mm (3.7 in)	48 of 100 (Notable)
Schweizer-Reneke (Pol)	South Africa	Record daily precipitation	53.5 mm (2.1 in)	48 of 100 (Notable)
Kafferskraal	South Africa	Record daily precipitation	56.0 mm (2.2 in)	48 of 100 (Notable)
Bosbokrand (Pol)	South Africa	Record daily precipitation	92.5 mm (3.6 in)	48 of 100 (Notable)
Haenertsburg (Pol)	South Africa	Record daily precipitation	29.0 mm (1.1 in)	48 of 100 (Notable)
Milford 4 NW	United States	Record daily precipitation	60.7 mm (2.4 in)	48 of 100 (Notable)
Burketown Post Office	Australia	Record high minimum temperature	27.0 C (80.6 F)	47 of 100 (Notable)
Merensky (Skl)	South Africa	Record daily precipitation	56.0 mm (2.2 in)	47 of 100 (Notable)
Goedehoop (Bos)	South Africa	Record daily precipitation	40.0 mm (1.6 in)	47 of 100 (Notable)
Ndumu	South Africa	Record daily precipitation	83.0 mm (3.3 in)	46 of 100 (Notable)
Fig Tree	South Africa	Record daily precipitation	65.0 mm (2.6 in)	46 of 100 (Notable)
Mayfern	South Africa	Record daily precipitation	91.0 mm (3.6 in)	46 of 100 (Notable)
Elandsfontein	South Africa	Record daily precipitation	44.0 mm (1.7 in)	46 of 100 (Notable)
Wilgeboom (Bos)	South Africa	Record daily precipitation	73.0 mm (2.9 in)	46 of 100 (Notable)
Elim (Hosp)	South Africa	Record daily precipitation	36.6 mm (1.4 in)	46 of 100 (Notable)
Driefontein	South Africa	Record daily precipitation	45.5 mm (1.8 in)	46 of 100 (Notable)
Ingwavuma (Tnk)	South Africa	Record daily precipitation	82.5 mm (3.2 in)	45 of 100 (Notable)
Brakpan	South Africa	Record daily precipitation	34.5 mm (1.4 in)	45 of 100 (Notable)
Zomerkomst (Bos)	South Africa	Record daily precipitation	55.0 mm (2.2 in)	45 of 100 (Notable)
Letaba Estates	South Africa	Record daily precipitation	90.3 mm (3.6 in)	45 of 100 (Notable)
Una (Agr)	South Africa	Record daily precipitation	33.0 mm (1.3 in)	45 of 100 (Notable)
Ellsworth 2W	United States	Record daily precipitation	47.0 mm (1.9 in)	45 of 100 (Notable)
Sandrivierspoort	South Africa	Record daily precipitation	25.0 mm (1.0 in)	44 of 100 (Notable)
Valencia Estates	South Africa	Record daily precipitation	89.2 mm (3.5 in)	44 of 100 (Notable)
Leeuwfontein	South Africa	Record daily precipitation	96.0 mm (3.8 in)	44 of 100 (Notable)
Pipestone	United States	Record daily precipitation	50.3 mm (2.0 in)	44 of 100 (Notable)
El-Golea	Algeria	Record low minimum temperature	10.1 C (50.2 F)	43 of 100 (Notable)
Katdoornput 29	South Africa	Record daily precipitation	57.0 mm (2.2 in)	43 of 100 (Notable)
Vlakplaats	South Africa	Record daily precipitation	45.5 mm (1.8 in)	43 of 100 (Notable)
Malelane	South Africa	Record daily precipitation	56.3 mm (2.2 in)	43 of 100 (Notable)
Krokodilbrug	South Africa	Record daily precipitation	57.3 mm (2.3 in)	43 of 100 (Notable)
Salique (Bos)	South Africa	Record daily precipitation	40.0 mm (1.6 in)	43 of 100 (Notable)
Kimball 2NE	United States	Record daily precipitation	28.7 mm (1.1 in)	43 of 100 (Notable)

Counts by Type and Timescale

769 records

Records set or tied on 29 September 1973 by type: Highest daily maximum 56, Lowest daily maximum 61, Highest daily minimum 114, Lowest daily minimum 49, Heaviest daily rainfall 484, Heaviest daily snowfall 1, Deepest snow cover 4.

Records on 29 September 1973 by type
Record type	Records
Highest daily maximum	56
Lowest daily maximum	61
Highest daily minimum	114
Lowest daily minimum	49
Heaviest daily rainfall	484
Heaviest daily snowfall	1
Deepest snow cover	4

Records on 29 September 1973 by timescale: all-time 1, monthly 67, daily 701.

How Much Records Were Beaten By

668 broken records

Margins by which the 668 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 137.2. Ties are not counted.

Top 20 by Significance

29 September 1973

Top 20 records on 29 September 1973 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
29 September 1973	Illawarra, ZA	monthly rain	68.6 mm (2.7 in)	30.5 mm (1.2 in)	48 years	70 of 100 (Major)
29 September 1973	Gingindlovu, ZA	monthly rain	152.0 mm (6.0 in)	54.7 mm (2.2 in)	29 years	64 of 100 (Major)
29 September 1973	Mason City, US	daily rain	71.9 mm (2.8 in)	49.0 mm (1.9 in)	79 years	64 of 100 (Major)
29 September 1973	Ceylon (Bos), ZA	monthly rain	96.0 mm (3.8 in)	37.6 mm (1.5 in)	30 years	63 of 100 (Major)
29 September 1973	Banderlierkop (Pol), ZA	daily rain	25.0 mm (1.0 in)	25.0 mm (1.0 in)	67 years	63 of 100 (Major)
29 September 1973	Riverview, ZA	monthly rain	181.7 mm (7.2 in)	137.2 mm (5.4 in)	29 years	62 of 100 (Major)
29 September 1973	Kulu Halt, ZA	monthly rain	139.0 mm (5.5 in)	51.5 mm (2.0 in)	20 years	61 of 100 (Major)
29 September 1973	Ibiapina, BR	daily rain	60.0 mm (2.4 in)	56.4 mm (2.2 in)	47 years	60 of 100 (Major)
29 September 1973	Mtunzini, ZA	monthly rain	148.6 mm (5.9 in)	79.8 mm (3.1 in)	20 years	60 of 100 (Major)
29 September 1973	Kangela, Mtubatuba, ZA	monthly rain	193.4 mm (7.6 in)	131.3 mm (5.2 in)	16 years	60 of 100 (Major)
29 September 1973	Forestburg 4 NNE, US	daily rain	60.2 mm (2.4 in)	31.0 mm (1.2 in)	78 years	60 of 100 (Major)
29 September 1973	Fairview, ZA	monthly rain	161.5 mm (6.4 in)	81.5 mm (3.2 in)	16 years	59 of 100 (Notable)
29 September 1973	Newport, US	daily rain	46.2 mm (1.8 in)	35.3 mm (1.4 in)	66 years	59 of 100 (Notable)
29 September 1973	Makakatana, ZA	monthly rain	122.5 mm (4.8 in)	66.0 mm (2.6 in)	16 years	58 of 100 (Notable)
29 September 1973	Castle Rock, US	daily rain	32.5 mm (1.3 in)	21.1 mm (0.8 in)	71 years	58 of 100 (Notable)
29 September 1973	Driekoppies, ZA	daily rain	44.9 mm (1.8 in)	38.8 mm (1.5 in)	44 years	57 of 100 (Notable)
29 September 1973	Skukuza, ZA	daily rain	77.0 mm (3.0 in)	66.0 mm (2.6 in)	48 years	56 of 100 (Notable)
29 September 1973	Pilgrims Rest (Pol), ZA	daily rain	85.0 mm (3.3 in)	73.3 mm (2.9 in)	34 years	56 of 100 (Notable)
29 September 1973	Mamakuil, ZA	daily rain	33.0 mm (1.3 in)	30.5 mm (1.2 in)	39 years	56 of 100 (Notable)
29 September 1973	Groblersplaas, ZA	monthly rain	70.0 mm (2.8 in)	37.0 mm (1.5 in)	0 years	56 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

1836 to 1973

Records set or tied on this calendar date in each year from 1836 to 1973. 1973 had 769 records.

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

Records on 09-29 in each year
Year	Records
1836	1
1843	1
1854	2
1859	2
1861	1
1862	1
1864	1
1867	1
1868	1
1869	2
1871	1
1873	3
1874	1
1877	2
1881	1
1882	1
1883	2
1884	2
1885	4
1886	1
1887	1
1888	3
1889	3
1890	4
1892	4
1893	1
1894	4
1895	4
1897	5
1898	4
1899	9
1900	3
1901	7
1902	14
1903	11
1904	26
1905	11
1906	16
1907	26
1908	20
1909	10
1910	10
1911	64
1912	27
1913	20
1914	24
1915	43
1916	184
1917	19
1918	36
1919	38
1920	22
1921	148
1922	33
1923	89
1924	264
1925	166
1926	195
1927	236
1928	212
1929	243
1930	71
1931	204
1932	234
1933	353
1934	394
1935	188
1936	399
1937	276
1938	423
1939	407
1940	346
1941	511
1942	858
1943	390
1944	398
1945	899
1946	265
1947	467
1948	334
1949	398
1950	472
1951	475
1952	404
1953	1,079
1954	814
1955	375
1956	380
1957	636
1958	309
1959	1,066
1960	143
1961	447
1962	481
1963	996
1964	1,154
1965	689
1966	498
1967	1,250
1968	184
1969	279
1970	629
1971	797
1972	637
1973	769
1974	730
1975	365
1976	636
1977	800
1978	569
1979	581
1980	874
1981	747
1982	911
1983	920
1984	1,447
1985	1,789
1986	1,624
1987	641
1988	554
1989	710
1990	416
1991	747
1992	833
1993	620
1994	967
1995	1,033
1996	1,356
1997	683
1998	1,295
1999	1,440
2000	965
2001	846
2002	557
2003	924
2004	754
2005	1,163
2006	695
2007	929
2008	461
2009	700
2010	1,110
2011	1,572
2012	737
2013	623
2014	548
2015	724
2016	912
2017	433
2018	582
2019	2,193
2020	444
2021	790
2022	600
2023	866
2024	1,391
2025	516
2026	544

Download the Data

Data for records on 1973-09-29: 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	555
20 to 40	81
40 to 60	18
60 to 80	7
80 to 100	5
100 to 120	0
120 to 140	2