Weather Records on 15 October 1973

525 weather records were set or tied worldwide on 15 October 1973. Highest significance: Jaroma, AU.

Key Facts for 15 October 1973

On 15 October 1973, 525 weather records were set or tied at long-record stations worldwide.
117 were record highs and 88 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 16 monthly and 509 daily.
Jaroma set a monthly record daily precipitation of 57.7 mm (2.3 in) on 15 October 1973.
Across 159 earlier years (1794 to 2025) the same calendar date averaged 459 records.

Record Map

525 stations

525 station records on 15 October 1973 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 15 October 1973: highest significance records shown on the map
Station	Country	Type	Value	Significance
Jaroma	Australia	Record daily precipitation	57.7 mm (2.3 in)	67 of 100 (Major)
Dellyanine	Australia	Record daily precipitation	47.0 mm (1.9 in)	59 of 100 (Notable)
Coribe (Rio Alegre)	Brazil	Record daily precipitation	111.0 mm (4.4 in)	54 of 100 (Notable)
Telenning Hill	Australia	Record daily precipitation	27.9 mm (1.1 in)	53 of 100 (Notable)
Maybrook	Australia	Record daily precipitation	25.9 mm (1.0 in)	52 of 100 (Notable)
Kainaliu 73.2	United States	Record daily precipitation	81.5 mm (3.2 in)	51 of 100 (Notable)
Kanye	Botswana	Record daily precipitation	38.8 mm (1.5 in)	50 of 100 (Notable)
Ozuluama	Mexico	Record daily precipitation	261.9 mm (10.3 in)	50 of 100 (Notable)
Nylsvley	South Africa	Record daily precipitation	62.5 mm (2.5 in)	50 of 100 (Notable)
Natal Est, Mount Edg	South Africa	Record daily precipitation	46.5 mm (1.8 in)	49 of 100 (Notable)
Frasers	South Africa	Record daily precipitation	54.0 mm (2.1 in)	49 of 100 (Notable)
Serowe	Botswana	Record daily precipitation	60.0 mm (2.4 in)	48 of 100 (Notable)
Serpentine	Australia	Record daily precipitation	44.2 mm (1.7 in)	47 of 100 (Notable)
Wychitella	Australia	Record daily precipitation	37.6 mm (1.5 in)	47 of 100 (Notable)
Sao Tome	Brazil	Record daily precipitation	50.4 mm (2.0 in)	46 of 100 (Notable)
Acude Macaubas	Brazil	Record daily precipitation	98.0 mm (3.9 in)	46 of 100 (Notable)
Sobolevo	Russia	Record daily precipitation	44.2 mm (1.7 in)	46 of 100 (Notable)
Experiment Station	South Africa	Record daily precipitation	38.0 mm (1.5 in)	46 of 100 (Notable)
Mapumulo (Tnk)	South Africa	Record daily precipitation	49.5 mm (1.9 in)	45 of 100 (Notable)
Elandspoort	South Africa	Record daily precipitation	36.0 mm (1.4 in)	45 of 100 (Notable)
Kareepoort (Irr)	South Africa	Record daily precipitation	45.0 mm (1.8 in)	43 of 100 (Notable)
Porto	Brazil	Record daily precipitation	83.0 mm (3.3 in)	42 of 100 (Notable)
Saude	Brazil	Record daily precipitation	75.4 mm (3.0 in)	42 of 100 (Notable)
Van Reenen	South Africa	Record daily precipitation	52.0 mm (2.0 in)	40 of 100 (Notable)
Schelm	South Africa	Record daily precipitation	50.0 mm (2.0 in)	39 of 100 (Notable)
De Hoek (Bos)	South Africa	Record daily precipitation	63.0 mm (2.5 in)	39 of 100 (Notable)
Stockport (Pol)	South Africa	Record daily precipitation	35.5 mm (1.4 in)	39 of 100 (Notable)
Cornubia	South Africa	Record daily precipitation	45.6 mm (1.8 in)	37 of 100 (Notable)
Mamogaleskraal	South Africa	Record daily precipitation	45.0 mm (1.8 in)	37 of 100 (Notable)
Hartbeespoort Dam (Irr)	South Africa	Record daily precipitation	43.0 mm (1.7 in)	37 of 100 (Notable)
Armagh	United Kingdom	Record low maximum temperature	7.0 C (44.6 F)	36 of 100 (Notable)
Mahalapye	Botswana	Record daily precipitation	37.0 mm (1.5 in)	35 of 100 (Notable)
Oktjabrskaja	Russia	Record daily precipitation	42.3 mm (1.7 in)	35 of 100 (Notable)
Mamagalieskraal Suid(Irr)	South Africa	Record daily precipitation	40.0 mm (1.6 in)	35 of 100 (Notable)
Alldays	South Africa	Record daily precipitation	40.0 mm (1.6 in)	35 of 100 (Notable)
Buxton	United Kingdom	Record low maximum temperature	6.8 C (44.2 F)	35 of 100 (Notable)
Sugartown	United States	Record daily precipitation	40.6 mm (1.6 in)	35 of 100 (Notable)
Umlaas Waterworks	South Africa	Record daily precipitation	29.0 mm (1.1 in)	34 of 100 (Routine)
Itabaianinha	Brazil	Record daily precipitation	38.3 mm (1.5 in)	32 of 100 (Routine)
Ica	Russia	Record daily precipitation	42.2 mm (1.7 in)	32 of 100 (Routine)
Illawarra	South Africa	Record daily precipitation	32.0 mm (1.3 in)	32 of 100 (Routine)
Ravenshill	South Africa	Record daily precipitation	48.0 mm (1.9 in)	32 of 100 (Routine)
Ibiquera	Brazil	Record daily precipitation	80.4 mm (3.2 in)	31 of 100 (Routine)
Ntywenka (Bos)	South Africa	Record daily precipitation	35.0 mm (1.4 in)	31 of 100 (Routine)
Leeupoort	South Africa	Record daily precipitation	41.0 mm (1.6 in)	31 of 100 (Routine)
Schriever	United States	Record high minimum temperature	21.7 C (71.1 F)	31 of 100 (Routine)
Texarkana Webb Fld	United States	Record high minimum temperature	20.0 C (68.0 F)	31 of 100 (Routine)
Newdegate	Australia	Record daily precipitation	61.2 mm (2.4 in)	30 of 100 (Routine)
Asmara	Eritrea	Record low minimum temperature	3.1 C (37.6 F)	30 of 100 (Routine)
Juchitan de Zaragoza	Mexico	Record high maximum temperature	39.4 C (102.9 F)	30 of 100 (Routine)
Najahan	Russia	Record daily precipitation	37.6 mm (1.5 in)	30 of 100 (Routine)
Mozajsk	Russia	Record low minimum temperature	-10.7 C (12.7 F)	30 of 100 (Routine)
Zomerkomst (Bos)	South Africa	Record daily precipitation	42.0 mm (1.7 in)	30 of 100 (Routine)
Winkelman 6 S	United States	Record high maximum temperature	35.6 C (96.1 F)	30 of 100 (Routine)
Alexandria	United States	Record daily precipitation	29.2 mm (1.1 in)	30 of 100 (Routine)
Simmesport	United States	Record daily precipitation	59.7 mm (2.4 in)	30 of 100 (Routine)
El Dorado Goodwin Fld	United States	Record daily precipitation	63.0 mm (2.5 in)	30 of 100 (Routine)
Deuselbach	Germany	Record daily precipitation	33.7 mm (1.3 in)	29 of 100 (Routine)
Gingindlovu	South Africa	Record daily precipitation	29.5 mm (1.2 in)	29 of 100 (Routine)
Middlekop (Bos)	South Africa	Record daily precipitation	54.1 mm (2.1 in)	29 of 100 (Routine)

Counts by Type and Timescale

525 records

Records set or tied on 15 October 1973 by type: Highest daily maximum 56, Lowest daily maximum 43, Highest daily minimum 61, Lowest daily minimum 45, Heaviest daily rainfall 315, Heaviest daily snowfall 1, Deepest snow cover 4.

Records on 15 October 1973 by type
Record type	Records
Highest daily maximum	56
Lowest daily maximum	43
Highest daily minimum	61
Lowest daily minimum	45
Heaviest daily rainfall	315
Heaviest daily snowfall	1
Deepest snow cover	4

Records on 15 October 1973 by timescale: all-time 0, monthly 16, daily 509.

How Much Records Were Beaten By

465 broken records

Margins by which the 465 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 222.0. Ties are not counted.

Top 20 by Significance

15 October 1973

Top 20 records on 15 October 1973 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
15 October 1973	Jaroma, AU	monthly rain	57.7 mm (2.3 in)	36.1 mm (1.4 in)	41 years	67 of 100 (Major)
15 October 1973	Dellyanine, AU	monthly rain	47.0 mm (1.9 in)	16.3 mm (0.6 in)	37 years	59 of 100 (Notable)
15 October 1973	Coribe (Rio Alegre), BR	monthly rain	111.0 mm (4.4 in)	54.4 mm (2.1 in)	4 years	54 of 100 (Notable)
15 October 1973	Telenning Hill, AU	daily rain	27.9 mm (1.1 in)	23.1 mm (0.9 in)	31 years	53 of 100 (Notable)
15 October 1973	Maybrook, AU	daily rain	25.9 mm (1.0 in)	19.8 mm (0.8 in)	22 years	52 of 100 (Notable)
15 October 1973	Kainaliu 73.2, US	daily rain	81.5 mm (3.2 in)	55.3 mm (2.2 in)	27 years	51 of 100 (Notable)
15 October 1973	Kanye, BW	daily rain	38.8 mm (1.5 in)	35.7 mm (1.4 in)	28 years	50 of 100 (Notable)
15 October 1973	Ozuluama, MX	daily rain	261.9 mm (10.3 in)	222.0 mm (8.7 in)	20 years	50 of 100 (Notable)
15 October 1973	Nylsvley, ZA	daily rain	62.5 mm (2.5 in)	40.7 mm (1.6 in)	19 years	50 of 100 (Notable)
15 October 1973	Natal Est, Mount Edg, ZA	daily rain	46.5 mm (1.8 in)	39.4 mm (1.6 in)	35 years	49 of 100 (Notable)
15 October 1973	Frasers, ZA	daily rain	54.0 mm (2.1 in)	45.9 mm (1.8 in)	26 years	49 of 100 (Notable)
15 October 1973	Serowe, BW	monthly rain	60.0 mm (2.4 in)	19.9 mm (0.8 in)	24 years	48 of 100 (Notable)
15 October 1973	Serpentine, AU	daily rain	44.2 mm (1.7 in)	27.7 mm (1.1 in)	4 years	47 of 100 (Notable)
15 October 1973	Wychitella, AU	monthly rain	37.6 mm (1.5 in)	8.4 mm (0.33 in)	41 years	47 of 100 (Notable)
15 October 1973	Sao Tome, BR	daily rain	50.4 mm (2.0 in)	35.1 mm (1.4 in)	27 years	46 of 100 (Notable)
15 October 1973	Acude Macaubas, BR	monthly rain	98.0 mm (3.9 in)	40.0 mm (1.6 in)	8 years	46 of 100 (Notable)
15 October 1973	Sobolevo, RU	daily rain	44.2 mm (1.7 in)	25.3 mm (1.0 in)	24 years	46 of 100 (Notable)
15 October 1973	Experiment Station, ZA	daily rain	38.0 mm (1.5 in)	29.9 mm (1.2 in)	44 years	46 of 100 (Notable)
15 October 1973	Mapumulo (Tnk), ZA	daily rain	49.5 mm (1.9 in)	28.7 mm (1.1 in)	48 years	45 of 100 (Notable)
15 October 1973	Elandspoort, ZA	daily rain	36.0 mm (1.4 in)	28.6 mm (1.1 in)	39 years	45 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

1794 to 1973

Records set or tied on this calendar date in each year from 1794 to 1973. 1973 had 525 records.

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

Records on 10-15 in each year
Year	Records
1794	1
1795	1
1796	1
1807	1
1808	2
1836	1
1838	1
1839	1
1849	1
1859	2
1862	1
1870	2
1871	4
1873	1
1875	1
1876	3
1877	1
1878	3
1879	3
1881	3
1882	4
1885	2
1886	1
1887	8
1889	2
1891	4
1892	1
1893	5
1894	9
1895	3
1896	8
1897	2
1898	3
1899	4
1900	3
1901	4
1902	7
1903	13
1904	10
1905	13
1906	7
1907	11
1908	13
1909	17
1910	14
1911	18
1912	17
1913	70
1914	28
1915	48
1916	21
1917	29
1918	21
1919	65
1920	38
1921	160
1922	43
1923	66
1924	118
1925	221
1926	125
1927	94
1928	385
1929	200
1930	282
1931	461
1932	213
1933	255
1934	434
1935	303
1936	126
1937	1,444
1938	598
1939	461
1940	458
1941	330
1942	494
1943	704
1944	246
1945	487
1946	354
1947	963
1948	224
1949	546
1950	321
1951	341
1952	662
1953	374
1954	945
1955	444
1956	555
1957	461
1958	606
1959	411
1960	600
1961	834
1962	1,009
1963	522
1964	488
1965	299
1966	1,265
1967	464
1968	1,111
1969	1,074
1970	642
1971	744
1972	584
1973	525
1974	768
1975	808
1976	791
1977	543
1978	886
1979	720
1980	1,006
1981	965
1982	297
1983	653
1984	1,236
1985	1,068
1986	768
1987	900
1988	896
1989	560
1990	1,134
1991	1,139
1992	1,530
1993	1,066
1994	1,103
1995	1,008
1996	458
1997	964
1998	806
1999	766
2000	625
2001	705
2002	965
2003	737
2004	716
2005	610
2006	1,305
2007	702
2008	959
2009	2,365
2010	1,095
2011	906
2012	909
2013	632
2014	901
2015	1,139
2016	674
2017	1,091
2018	2,682
2019	479
2020	499
2021	983
2022	633
2023	319
2024	748
2025	697

Download the Data

Data for records on 1973-10-15: 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 50	459
50 to 100	5
100 to 150	0
150 to 200	0
200 to 250	1