Weather Records on 18 November 1973

582 weather records were set or tied worldwide on 18 November 1973. Highest significance: Cooktown Post Office, AU.

Key Facts for 18 November 1973

On 18 November 1973, 582 weather records were set or tied at long-record stations worldwide.
116 were record highs and 80 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 8 monthly and 574 daily.
Cooktown Post Office set a daily record precipitation of 127.0 mm (5.0 in) on 18 November 1973.
Across 165 earlier years (1793 to 2025) the same calendar date averaged 447 records.

Record Map

582 stations

582 station records on 18 November 1973 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 November 1973: highest significance records shown on the map
Station	Country	Type	Value	Significance
Cooktown Post Office	Australia	Record daily precipitation	127.0 mm (5.0 in)	74 of 100 (Major)
Cape Don	Australia	Record daily precipitation	162.8 mm (6.4 in)	65 of 100 (Major)
Milingimbi	Australia	Record daily precipitation	70.4 mm (2.8 in)	57 of 100 (Notable)
Cartwright	Canada	Record daily snowfall	20.3 cm (8.0 in)	55 of 100 (Notable)
Geilo	Norway	Record daily precipitation	28.7 mm (1.1 in)	53 of 100 (Notable)
Sogndal - Selseng	Norway	Record daily precipitation	50.9 mm (2.0 in)	49 of 100 (Notable)
Foremost	Canada	Record daily snowfall	13.2 cm (5.2 in)	48 of 100 (Notable)
Risnes I Fjotland	Norway	Record daily precipitation	49.8 mm (2.0 in)	48 of 100 (Notable)
Paisley	United States	Record daily snowfall	12.7 cm (5.0 in)	47 of 100 (Notable)
Seward AP	United States	Record daily snowfall	25.1 cm (9.9 in)	47 of 100 (Notable)
Boulia Airport	Australia	Record daily precipitation	39.1 mm (1.5 in)	46 of 100 (Notable)
Bakke	Norway	Record daily precipitation	69.2 mm (2.7 in)	46 of 100 (Notable)
Nikolaevsk-Na-Amure	Russia	Record daily precipitation	29.4 mm (1.2 in)	46 of 100 (Notable)
Sand I Ryfylke II	Norway	Record daily precipitation	72.6 mm (2.9 in)	44 of 100 (Notable)
Cottonwood Weir	United States	Record daily precipitation	40.6 mm (1.6 in)	44 of 100 (Notable)
Homer AP	United States	Record daily snowfall	30.7 cm (12.1 in)	44 of 100 (Notable)
Suldalsvatn	Norway	Record daily precipitation	56.6 mm (2.2 in)	43 of 100 (Notable)
Sviland	Norway	Record daily precipitation	49.5 mm (1.9 in)	43 of 100 (Notable)
Sao Caetano Do Sul	Brazil	Record daily precipitation	62.5 mm (2.5 in)	41 of 100 (Notable)
Observatorio Do Iag	Brazil	Record daily precipitation	59.6 mm (2.3 in)	41 of 100 (Notable)
Petropolis	Brazil	Record daily precipitation	86.4 mm (3.4 in)	40 of 100 (Notable)
Tejupa	Brazil	Record daily precipitation	61.5 mm (2.4 in)	40 of 100 (Notable)
Warruwi	Australia	Record daily precipitation	115.6 mm (4.6 in)	39 of 100 (Notable)
Soyland I Gjesdal	Norway	Record daily precipitation	66.4 mm (2.6 in)	39 of 100 (Notable)
Heppner	United States	Record daily snowfall	7.6 cm (3.0 in)	39 of 100 (Notable)
Echo Dam	United States	Record daily precipitation	33.0 mm (1.3 in)	39 of 100 (Notable)
Roldal	Norway	Record daily precipitation	42.5 mm (1.7 in)	37 of 100 (Notable)
Ibiuna	Brazil	Record daily precipitation	50.8 mm (2.0 in)	35 of 100 (Notable)
Barao de Antonina	Brazil	Record daily precipitation	59.5 mm (2.3 in)	35 of 100 (Notable)
Oksoey Fyr	Norway	Record daily precipitation	35.9 mm (1.4 in)	35 of 100 (Notable)
Pompano Beach	United States	Record daily precipitation	68.1 mm (2.7 in)	35 of 100 (Notable)
Bend	United States	Record daily snowfall	14.0 cm (5.5 in)	35 of 100 (Notable)
Fazenda da Barra	Brazil	Record daily precipitation	51.3 mm (2.0 in)	34 of 100 (Routine)
Hovlandsdal	Norway	Record daily precipitation	76.4 mm (3.0 in)	34 of 100 (Routine)
Lake 2 N	United States	Record daily snowfall	5.1 cm (2.0 in)	34 of 100 (Routine)
Pendleton	United States	Record daily snowfall	8.4 cm (3.3 in)	34 of 100 (Routine)
Jaguariuna	Brazil	Record daily precipitation	48.5 mm (1.9 in)	33 of 100 (Routine)
Orje	Norway	Record daily precipitation	31.0 mm (1.2 in)	33 of 100 (Routine)
Boras	Sweden	Record daily precipitation	28.8 mm (1.1 in)	32 of 100 (Routine)
Berkeley	United States	Record low maximum temperature	12.2 C (54.0 F)	32 of 100 (Routine)
Indaial	Brazil	Record daily precipitation	50.2 mm (2.0 in)	31 of 100 (Routine)
Sarutaia (US.Boa Vista-Clfsc)	Brazil	Record daily precipitation	61.0 mm (2.4 in)	31 of 100 (Routine)
Hundseid I Vikedal	Norway	Record daily precipitation	75.0 mm (3.0 in)	31 of 100 (Routine)
Friant Government Camp	United States	Record daily precipitation	40.4 mm (1.6 in)	31 of 100 (Routine)
New Harmony	United States	Record daily precipitation	27.9 mm (1.1 in)	31 of 100 (Routine)
Houston Wb City	United States	Record high maximum temperature	28.3 C (82.9 F)	31 of 100 (Routine)
Coalville	United States	Record daily snowfall	20.3 cm (8.0 in)	31 of 100 (Routine)
Juchitan de Zaragoza	Mexico	Record high maximum temperature	40.6 C (105.1 F)	30 of 100 (Routine)
Louisburg	United States	Record low minimum temperature	-6.7 C (19.9 F)	30 of 100 (Routine)
Blaine	United States	Record low maximum temperature	3.3 C (37.9 F)	30 of 100 (Routine)
Jackson	United States	Record daily snowfall	12.7 cm (5.0 in)	30 of 100 (Routine)
Galiwinku	Australia	Record daily precipitation	85.3 mm (3.4 in)	29 of 100 (Routine)
Ayton	Australia	Record daily precipitation	26.9 mm (1.1 in)	29 of 100 (Routine)
Whyanbeel Valley	Australia	Record daily precipitation	67.3 mm (2.6 in)	29 of 100 (Routine)
Pinhalzinho	Brazil	Record daily precipitation	73.8 mm (2.9 in)	29 of 100 (Routine)
Welbekend	South Africa	Record daily precipitation	27.0 mm (1.1 in)	29 of 100 (Routine)
Lytle Creek Rs	United States	Record daily precipitation	91.7 mm (3.6 in)	29 of 100 (Routine)
Eureka	United States	Record daily snowfall	17.8 cm (7.0 in)	29 of 100 (Routine)
Lehman Caves Nm	United States	Record daily precipitation	27.9 mm (1.1 in)	29 of 100 (Routine)
Lumberton	United States	Record low minimum temperature	-6.7 C (19.9 F)	29 of 100 (Routine)

Counts by Type and Timescale

582 records

Records set or tied on 18 November 1973 by type: Highest daily maximum 70, Lowest daily maximum 38, Highest daily minimum 46, Lowest daily minimum 42, Heaviest daily rainfall 310, Heaviest daily snowfall 64, Deepest snow cover 12.

Records on 18 November 1973 by type
Record type	Records
Highest daily maximum	70
Lowest daily maximum	38
Highest daily minimum	46
Lowest daily minimum	42
Heaviest daily rainfall	310
Heaviest daily snowfall	64
Deepest snow cover	12

Records on 18 November 1973 by timescale: all-time 0, monthly 8, daily 574.

How Much Records Were Beaten By

487 broken records

Margins by which the 487 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 238.0. Ties are not counted.

Top 20 by Significance

18 November 1973

Top 20 records on 18 November 1973 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 November 1973	Cooktown Post Office, AU	daily rain	127.0 mm (5.0 in)	89.7 mm (3.5 in)	83 years	74 of 100 (Major)
18 November 1973	Cape Don, AU	monthly rain	162.8 mm (6.4 in)	60.9 mm (2.4 in)	49 years	65 of 100 (Major)
18 November 1973	Milingimbi, AU	daily rain	70.4 mm (2.8 in)	57.4 mm (2.3 in)	43 years	57 of 100 (Notable)
18 November 1973	Cartwright, CA	daily snowfall	20.3 cm (8.0 in)	15.2 cm (6.0 in)	62 years	55 of 100 (Notable)
18 November 1973	Geilo, NO	daily rain	28.7 mm (1.1 in)	11.0 mm (0.4 in)	75 years	53 of 100 (Notable)
18 November 1973	Sogndal - Selseng, NO	daily rain	50.9 mm (2.0 in)	21.6 mm (0.9 in)	75 years	49 of 100 (Notable)
18 November 1973	Foremost, CA	daily snowfall	13.2 cm (5.2 in)	13.2 cm (5.2 in)	31 years	48 of 100 (Notable)
18 November 1973	Risnes I Fjotland, NO	daily rain	49.8 mm (2.0 in)	24.8 mm (1.0 in)	72 years	48 of 100 (Notable)
18 November 1973	Paisley, US	daily snowfall	12.7 cm (5.0 in)	12.2 cm (4.8 in)	39 years	47 of 100 (Notable)
18 November 1973	Seward AP, US	daily snowfall	25.1 cm (9.9 in)	17.5 cm (6.9 in)	16 years	47 of 100 (Notable)
18 November 1973	Boulia Airport, AU	daily rain	39.1 mm (1.5 in)	36.3 mm (1.4 in)	30 years	46 of 100 (Notable)
18 November 1973	Bakke, NO	daily rain	69.2 mm (2.7 in)	43.9 mm (1.7 in)	22 years	46 of 100 (Notable)
18 November 1973	Nikolaevsk-Na-Amure, RU	daily rain	29.4 mm (1.2 in)	6.9 mm (0.27 in)	80 years	46 of 100 (Notable)
18 November 1973	Sand I Ryfylke II, NO	daily rain	72.6 mm (2.9 in)	42.6 mm (1.7 in)	35 years	44 of 100 (Notable)
18 November 1973	Cottonwood Weir, US	daily rain	40.6 mm (1.6 in)	21.5 mm (0.8 in)	32 years	44 of 100 (Notable)
18 November 1973	Homer AP, US	daily snowfall	30.7 cm (12.1 in)	23.8 cm (9.4 in)	12 years	44 of 100 (Notable)
18 November 1973	Suldalsvatn, NO	daily rain	56.6 mm (2.2 in)	26.3 mm (1.0 in)	54 years	43 of 100 (Notable)
18 November 1973	Sviland, NO	daily rain	49.5 mm (1.9 in)	26.2 mm (1.0 in)	35 years	43 of 100 (Notable)
18 November 1973	Sao Caetano Do Sul, BR	daily rain	62.5 mm (2.5 in)	36.8 mm (1.4 in)	34 years	41 of 100 (Notable)
18 November 1973	Observatorio Do Iag, BR	daily rain	59.6 mm (2.3 in)	37.0 mm (1.5 in)	15 years	41 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

1793 to 1973

Records set or tied on this calendar date in each year from 1793 to 1973. 1973 had 582 records.

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

Records on 11-18 in each year
Year	Records
1793	2
1795	2
1805	1
1816	1
1823	1
1827	1
1829	2
1835	2
1838	1
1840	1
1845	1
1846	1
1847	1
1852	1
1856	2
1865	1
1869	1
1873	1
1875	2
1878	1
1879	1
1880	5
1881	2
1882	1
1883	1
1884	1
1885	3
1887	3
1888	2
1889	3
1890	3
1891	3
1892	2
1893	5
1894	3
1895	2
1896	5
1897	7
1898	2
1899	4
1900	16
1901	4
1902	12
1903	13
1904	19
1905	12
1906	24
1907	15
1908	10
1909	14
1910	7
1911	41
1912	81
1913	57
1914	77
1915	22
1916	30
1917	33
1918	61
1919	71
1920	27
1921	109
1922	36
1923	96
1924	191
1925	254
1926	270
1927	310
1928	319
1929	355
1930	471
1931	325
1932	347
1933	310
1934	574
1935	105
1936	362
1937	432
1938	328
1939	195
1940	241
1941	959
1942	575
1943	490
1944	265
1945	260
1946	707
1947	368
1948	363
1949	462
1950	416
1951	981
1952	479
1953	731
1954	339
1955	709
1956	269
1957	1,055
1958	1,219
1959	1,165
1960	507
1961	714
1962	488
1963	563
1964	986
1965	452
1966	273
1967	419
1968	502
1969	540
1970	296
1971	666
1972	478
1973	582
1974	643
1975	520
1976	605
1977	626
1978	960
1979	449
1980	1,771
1981	789
1982	559
1983	601
1984	612
1985	1,531
1986	1,334
1987	660
1988	416
1989	1,261
1990	534
1991	719
1992	764
1993	880
1994	1,103
1995	1,683
1996	1,289
1997	1,049
1998	1,016
1999	853
2000	1,621
2001	1,116
2002	848
2003	1,227
2004	1,169
2005	773
2006	755
2007	963
2008	1,346
2009	802
2010	668
2011	688
2012	520
2013	683
2014	2,530
2015	1,733
2016	1,157
2017	632
2018	646
2019	793
2020	1,618
2021	268
2022	1,287
2023	536
2024	576
2025	576

Download the Data

Data for records on 1973-11-18: 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	461
50 to 100	17
100 to 150	6
150 to 200	2
200 to 250	1