Weather Records on 18 November 1978

960 weather records were set or tied worldwide on 18 November 1978. Highest significance: Durban-Botanical Gardens, ZA.

Key Facts for 18 November 1978

On 18 November 1978, 960 weather records were set or tied at long-record stations worldwide.
289 were record highs and 240 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 15 monthly and 944 daily.
Durban-Botanical Gardens set a daily record precipitation of 98.0 mm (3.9 in) on 18 November 1978.
Across 165 earlier years (1793 to 2025) the same calendar date averaged 445 records.

Record Map

960 stations

960 station records on 18 November 1978 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 November 1978: highest significance records shown on the map
Station	Country	Type	Value	Significance
Durban-Botanical Gardens	South Africa	Record daily precipitation	98.0 mm (3.9 in)	80 of 100 (Exceptional)
Durban-Cowie Rd. Nursery	South Africa	Record daily precipitation	97.5 mm (3.8 in)	56 of 100 (Notable)
Flambeau Rsvr	United States	Record daily snowfall	22.9 cm (9.0 in)	56 of 100 (Notable)
Brim	Australia	Record daily precipitation	38.0 mm (1.5 in)	54 of 100 (Notable)
Ft Washakie 1 SE	United States	Record snow depth	88.9 cm (35.0 in)	52 of 100 (Notable)
Hay (Eurolie)	Australia	Record daily precipitation	70.0 mm (2.8 in)	50 of 100 (Notable)
Lac Vieux Desert	United States	Record daily snowfall	31.8 cm (12.5 in)	50 of 100 (Notable)
Val (Sar)	South Africa	Record daily precipitation	55.9 mm (2.2 in)	49 of 100 (Notable)
Santa Cruz	Brazil	Record daily precipitation	32.3 mm (1.3 in)	48 of 100 (Notable)
Intake	South Africa	Record daily precipitation	79.0 mm (3.1 in)	48 of 100 (Notable)
Experiment Station	South Africa	Record daily precipitation	76.2 mm (3.0 in)	48 of 100 (Notable)
Caribou Island	Canada	Record daily snowfall	31.8 cm (12.5 in)	46 of 100 (Notable)
Sawoti	South Africa	Record daily precipitation	62.0 mm (2.4 in)	46 of 100 (Notable)
Helena AP ASOS	United States	Record daily snowfall	26.4 cm (10.4 in)	46 of 100 (Notable)
Ft Benton	United States	Record snow depth	25.4 cm (10.0 in)	45 of 100 (Notable)
Sandbaken	South Africa	Record daily precipitation	44.0 mm (1.7 in)	44 of 100 (Notable)
Umlaas Waterworks	South Africa	Record daily precipitation	65.5 mm (2.6 in)	43 of 100 (Notable)
Jonkersdam	South Africa	Record daily precipitation	41.0 mm (1.6 in)	43 of 100 (Notable)
Coupeville 1 S	United States	Record daily snowfall	8.9 cm (3.5 in)	43 of 100 (Notable)
Moosomin	Canada	Record daily snowfall	10.9 cm (4.3 in)	42 of 100 (Notable)
Bowbells	United States	Record daily snowfall	7.6 cm (3.0 in)	42 of 100 (Notable)
Kenmare 1 WSW	United States	Record daily snowfall	6.9 cm (2.7 in)	42 of 100 (Notable)
New London	United States	Record daily precipitation	38.1 mm (1.5 in)	42 of 100 (Notable)
Bergland Dam	United States	Record daily precipitation	31.0 mm (1.2 in)	41 of 100 (Notable)
N Creek 5 SE	United States	Record daily precipitation	25.9 mm (1.0 in)	41 of 100 (Notable)
Putbus	Germany	Record high minimum temperature	7.9 C (46.2 F)	40 of 100 (Notable)
The Valleys	South Africa	Record daily precipitation	60.0 mm (2.4 in)	40 of 100 (Notable)
Prentice #2	United States	Record snow depth	25.4 cm (10.0 in)	40 of 100 (Notable)
Bridger 2 N	United States	Record snow depth	22.9 cm (9.0 in)	39 of 100 (Notable)
Lyons Falls	United States	Record daily precipitation	35.3 mm (1.4 in)	39 of 100 (Notable)
Itupeva	Brazil	Record daily precipitation	80.6 mm (3.2 in)	38 of 100 (Notable)
Big Creek	Canada	Record low minimum temperature	-33.0 C (-27.4 F)	38 of 100 (Notable)
Mapumulo (Tnk)	South Africa	Record daily precipitation	48.0 mm (1.9 in)	38 of 100 (Notable)
Farmington 3NW	United States	Record snow depth	25.4 cm (10.0 in)	38 of 100 (Notable)
Blair	United States	Record daily snowfall	8.4 cm (3.3 in)	38 of 100 (Notable)
Lewistown AP	United States	Record low maximum temperature	-19.4 C (-2.9 F)	38 of 100 (Notable)
Nashlyn	Canada	Record daily snowfall	10.2 cm (4.0 in)	37 of 100 (Notable)
Manistique Wwtp	United States	Record daily precipitation	25.1 mm (1.0 in)	37 of 100 (Notable)
Helena 6 N	United States	Record daily snowfall	20.3 cm (8.0 in)	37 of 100 (Notable)
Parshall	United States	Record daily snowfall	7.6 cm (3.0 in)	37 of 100 (Notable)
Yunta (Paratoo)	Australia	Record daily precipitation	28.0 mm (1.1 in)	36 of 100 (Notable)
Port Shepstone	South Africa	Record daily precipitation	59.0 mm (2.3 in)	36 of 100 (Notable)
Ekalaka	United States	Record low minimum temperature	-27.2 C (-17.0 F)	36 of 100 (Notable)
Cradock (Kanyaka)	Australia	Record daily precipitation	26.1 mm (1.0 in)	35 of 100 (Notable)
Carandotta Station	Australia	Record daily precipitation	30.0 mm (1.2 in)	35 of 100 (Notable)
Halmstad	Sweden	Record high maximum temperature	10.7 C (51.3 F)	35 of 100 (Notable)
Vastervik	Sweden	Record high maximum temperature	12.5 C (54.5 F)	35 of 100 (Notable)
Stockholm	Sweden	Record high maximum temperature	10.7 C (51.3 F)	35 of 100 (Notable)
Big Timber	United States	Record low minimum temperature	-17.2 C (1.0 F)	35 of 100 (Notable)
Foxholm 7 N	United States	Record daily snowfall	7.6 cm (3.0 in)	35 of 100 (Notable)
Mellen 4 NE	United States	Record daily snowfall	15.2 cm (6.0 in)	35 of 100 (Notable)
Port Germein (Baroota Reservoi	Australia	Record daily precipitation	40.0 mm (1.6 in)	34 of 100 (Routine)
Canegrass	Australia	Record daily precipitation	29.5 mm (1.2 in)	34 of 100 (Routine)
Vasteras-Hasslo	Sweden	Record high maximum temperature	10.5 C (50.9 F)	34 of 100 (Routine)
Caribou Island	Canada	Record daily precipitation	33.6 mm (1.3 in)	33 of 100 (Routine)
Gavle	Sweden	Record high maximum temperature	9.4 C (48.9 F)	33 of 100 (Routine)
Bergland Dam	United States	Record daily snowfall	29.2 cm (11.5 in)	33 of 100 (Routine)
Owen 1E	United States	Record daily snowfall	12.7 cm (5.0 in)	33 of 100 (Routine)
Parachilna	Australia	Record daily precipitation	25.8 mm (1.0 in)	32 of 100 (Routine)
Canary Island	Australia	Record daily precipitation	27.0 mm (1.1 in)	32 of 100 (Routine)

Counts by Type and Timescale

960 records

Records set or tied on 18 November 1978 by type: Highest daily maximum 135, Lowest daily maximum 131, Highest daily minimum 154, Lowest daily minimum 109, Heaviest daily rainfall 289, Heaviest daily snowfall 81, Deepest snow cover 61.

Records on 18 November 1978 by type
Record type	Records
Highest daily maximum	135
Lowest daily maximum	131
Highest daily minimum	154
Lowest daily minimum	109
Heaviest daily rainfall	289
Heaviest daily snowfall	81
Deepest snow cover	61

Records on 18 November 1978 by timescale: all-time 1, monthly 15, daily 944.

How Much Records Were Beaten By

843 broken records

Margins by which the 843 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 254.0. Ties are not counted.

Top 20 by Significance

18 November 1978

Top 20 records on 18 November 1978 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 November 1978	Durban-Botanical Gardens, ZA	daily rain	98.0 mm (3.9 in)	55.3 mm (2.2 in)	102 years	80 of 100 (Exceptional)
18 November 1978	Durban-Cowie Rd. Nursery, ZA	daily rain	97.5 mm (3.8 in)	83.0 mm (3.3 in)	36 years	56 of 100 (Notable)
18 November 1978	Flambeau Rsvr, US	daily snowfall	22.9 cm (9.0 in)	15.3 cm (6.0 in)	52 years	56 of 100 (Notable)
18 November 1978	Brim, AU	daily rain	38.0 mm (1.5 in)	31.6 mm (1.2 in)	20 years	54 of 100 (Notable)
18 November 1978	Ft Washakie 1 SE, US	all-time snow depth	88.9 cm (35.0 in)	25.4 cm (10.0 in)	16 years	52 of 100 (Notable)
18 November 1978	Hay (Eurolie), AU	monthly rain	70.0 mm (2.8 in)	21.2 mm (0.8 in)	16 years	50 of 100 (Notable)
18 November 1978	Lac Vieux Desert, US	daily snowfall	31.8 cm (12.5 in)	17.8 cm (7.0 in)	11 years	50 of 100 (Notable)
18 November 1978	Val (Sar), ZA	daily rain	55.9 mm (2.2 in)	24.1 mm (0.9 in)	71 years	49 of 100 (Notable)
18 November 1978	Santa Cruz, BR	daily rain	32.3 mm (1.3 in)	30.1 mm (1.2 in)	9 years	48 of 100 (Notable)
18 November 1978	Intake, ZA	daily rain	79.0 mm (3.1 in)	57.0 mm (2.2 in)	11 years	48 of 100 (Notable)
18 November 1978	Experiment Station, ZA	daily rain	76.2 mm (3.0 in)	49.1 mm (1.9 in)	12 years	48 of 100 (Notable)
18 November 1978	Caribou Island, CA	daily snowfall	31.8 cm (12.5 in)	20.4 cm (8.0 in)	28 years	46 of 100 (Notable)
18 November 1978	Sawoti, ZA	daily rain	62.0 mm (2.4 in)	44.0 mm (1.7 in)	4 years	46 of 100 (Notable)
18 November 1978	Helena AP ASOS, US	daily snowfall	26.4 cm (10.4 in)	18.8 cm (7.4 in)	28 years	46 of 100 (Notable)
18 November 1978	Ft Benton, US	daily snow depth	25.4 cm (10.0 in)	15.2 cm (6.0 in)	40 years	45 of 100 (Notable)
18 November 1978	Sandbaken, ZA	daily rain	44.0 mm (1.7 in)	20.1 mm (0.8 in)	67 years	44 of 100 (Notable)
18 November 1978	Umlaas Waterworks, ZA	daily rain	65.5 mm (2.6 in)	39.0 mm (1.5 in)	11 years	43 of 100 (Notable)
18 November 1978	Jonkersdam, ZA	daily rain	41.0 mm (1.6 in)	22.2 mm (0.9 in)	59 years	43 of 100 (Notable)
18 November 1978	Coupeville 1 S, US	daily snowfall	8.9 cm (3.5 in)	6.4 cm (2.5 in)	77 years	43 of 100 (Notable)
18 November 1978	Moosomin, CA	daily snowfall	10.9 cm (4.3 in)	5.8 cm (2.3 in)	77 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

1793 to 1978

Records set or tied on this calendar date in each year from 1793 to 1978. 1978 had 960 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 1978-11-18: 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	782
50 to 100	47
100 to 150	6
150 to 200	6
200 to 250	1
250 to 300	1