Weather Records on 20 November 1987

666 weather records were set or tied worldwide on 20 November 1987. Highest significance: Wilmot (Back Road), AU.

Key Facts for 20 November 1987

On 20 November 1987, 666 weather records were set or tied at long-record stations worldwide.
200 were record highs and 117 were record lows, counting maximum and minimum temperature.
By timescale, 3 were all-time records, 21 monthly and 642 daily.
Wilmot (Back Road) set a daily record precipitation of 68.8 mm (2.7 in) on 20 November 1987.
Across 156 earlier years (1793 to 2025) the same calendar date averaged 452 records.

Record Map

666 stations

666 station records on 20 November 1987 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 November 1987: highest significance records shown on the map
Station	Country	Type	Value	Significance
Wilmot (Back Road)	Australia	Record daily precipitation	68.8 mm (2.7 in)	69 of 100 (Major)
Eaglehawk Neck (Jetty Road)	Australia	Record daily precipitation	33.6 mm (1.3 in)	69 of 100 (Major)
Renison Bell	Australia	Record daily precipitation	58.6 mm (2.3 in)	69 of 100 (Major)
Low Head (Comparison)	Australia	Record daily precipitation	32.4 mm (1.3 in)	66 of 100 (Major)
Connorville (Lake River)	Australia	Record daily precipitation	61.8 mm (2.4 in)	65 of 100 (Major)
Wihareja	Australia	Record daily precipitation	38.0 mm (1.5 in)	63 of 100 (Major)
Mole Creek	Australia	Record daily precipitation	64.4 mm (2.5 in)	59 of 100 (Notable)
South Nietta	Australia	Record daily precipitation	64.0 mm (2.5 in)	59 of 100 (Notable)
Cape Grim (Woolnorth)	Australia	Record daily precipitation	47.4 mm (1.9 in)	58 of 100 (Notable)
Smithton (Grant Street)	Australia	Record daily precipitation	48.6 mm (1.9 in)	58 of 100 (Notable)
Lake Margaret Dam	Australia	Record daily precipitation	93.2 mm (3.7 in)	57 of 100 (Notable)
Ridgley	Australia	Record daily precipitation	56.6 mm (2.2 in)	56 of 100 (Notable)
Poatina (Billopp)	Australia	Record daily precipitation	55.6 mm (2.2 in)	56 of 100 (Notable)
Preolenna	Australia	Record daily precipitation	125.0 mm (4.9 in)	55 of 100 (Notable)
Mawbanna (Mawbanna Road)	Australia	Record daily precipitation	66.0 mm (2.6 in)	53 of 100 (Notable)
Deloraine (Athol)	Australia	Record daily precipitation	43.0 mm (1.7 in)	52 of 100 (Notable)
Col du Grand St-Bernard	Switzerland	Record daily precipitation	97.0 mm (3.8 in)	52 of 100 (Notable)
Sheffield	Australia	Record daily precipitation	66.0 mm (2.6 in)	51 of 100 (Notable)
Campbell Town Post Office	Australia	Record daily precipitation	46.0 mm (1.8 in)	51 of 100 (Notable)
Miena Dam	Australia	Record daily precipitation	34.4 mm (1.4 in)	51 of 100 (Notable)
Eagle	United States	Record daily snowfall	11.4 cm (4.5 in)	51 of 100 (Notable)
Isis Downs	Australia	Record daily precipitation	34.0 mm (1.3 in)	50 of 100 (Notable)
Batlow Post Office	Australia	Record daily precipitation	60.0 mm (2.4 in)	50 of 100 (Notable)
Cressy Research Station (Main	Australia	Record daily precipitation	49.6 mm (2.0 in)	50 of 100 (Notable)
Hampshire (Neena Road)	Australia	Record daily precipitation	60.0 mm (2.4 in)	50 of 100 (Notable)
Granville Harbour	Australia	Record daily precipitation	75.2 mm (3.0 in)	50 of 100 (Notable)
Lilydale Post Office	Australia	Record daily precipitation	32.0 mm (1.3 in)	49 of 100 (Notable)
Swan Island Lighthouse	Australia	Record daily precipitation	35.4 mm (1.4 in)	49 of 100 (Notable)
Railton (Cement Australia)	Australia	Record daily precipitation	49.4 mm (1.9 in)	48 of 100 (Notable)
Cranbrook (Cranbrook House)	Australia	Record daily precipitation	29.4 mm (1.2 in)	48 of 100 (Notable)
Arhangelsk	Russia	Record low maximum temperature	-23.5 C (-10.3 F)	48 of 100 (Notable)
Cressy House	Australia	Record daily precipitation	42.0 mm (1.7 in)	47 of 100 (Notable)
Woodbury (the Braes)	Australia	Record daily precipitation	36.0 mm (1.4 in)	47 of 100 (Notable)
Liawenee Hec	Australia	Record daily precipitation	35.2 mm (1.4 in)	47 of 100 (Notable)
Irishtown	Australia	Record daily precipitation	30.0 mm (1.2 in)	46 of 100 (Notable)
Yolla (Sea View)	Australia	Record daily precipitation	84.2 mm (3.3 in)	46 of 100 (Notable)
Okeechobee	United States	Record daily precipitation	47.8 mm (1.9 in)	46 of 100 (Notable)
Waddamana Field Study Centre	Australia	Record daily precipitation	33.2 mm (1.3 in)	45 of 100 (Notable)
Longford (Denton Close)	Australia	Record daily precipitation	33.2 mm (1.3 in)	44 of 100 (Notable)
Saentis	Switzerland	Record daily precipitation	66.5 mm (2.6 in)	44 of 100 (Notable)
Gladstone (Old Post Office)	Australia	Record daily precipitation	36.4 mm (1.4 in)	43 of 100 (Notable)
Dunorlan (Sharmans Road)	Australia	Record daily precipitation	57.0 mm (2.2 in)	41 of 100 (Notable)
Epping Forest (Forton)	Australia	Record daily precipitation	33.4 mm (1.3 in)	40 of 100 (Notable)
Campania (the Pines)	Australia	Record daily precipitation	25.0 mm (1.0 in)	40 of 100 (Notable)
Cradle Valley (Waldheim)	Australia	Record daily precipitation	68.5 mm (2.7 in)	40 of 100 (Notable)
Queenstown (Copper Mine)	Australia	Record daily precipitation	64.0 mm (2.5 in)	40 of 100 (Notable)
Richmond (Lowlands)	Australia	Record daily precipitation	26.4 mm (1.0 in)	39 of 100 (Notable)
Hobart (Ellerslie Road)	Australia	Record high minimum temperature	15.5 C (59.9 F)	39 of 100 (Notable)
Mangalore (Mangalore Farm)	Australia	Record daily precipitation	30.6 mm (1.2 in)	39 of 100 (Notable)
Currie Post Office	Australia	Record daily precipitation	39.5 mm (1.6 in)	39 of 100 (Notable)
Blackwood Creek (Kopanica)	Australia	Record daily precipitation	46.4 mm (1.8 in)	38 of 100 (Notable)
Meander	Australia	Record daily precipitation	60.0 mm (2.4 in)	38 of 100 (Notable)
Cheboygan	United States	Record low maximum temperature	-4.4 C (24.1 F)	38 of 100 (Notable)
Chippewa Lake	United States	Record daily snowfall	6.4 cm (2.5 in)	38 of 100 (Notable)
Boulia Airport	Australia	Record high minimum temperature	31.6 C (88.9 F)	37 of 100 (Notable)
Corryong (Parish Lane)	Australia	Record daily precipitation	32.8 mm (1.3 in)	37 of 100 (Notable)
Edith Creek	Australia	Record daily precipitation	33.6 mm (1.3 in)	37 of 100 (Notable)
Ross (Macquarie River)	Australia	Record daily precipitation	53.0 mm (2.1 in)	37 of 100 (Notable)
Harnosand	Sweden	Record daily precipitation	33.5 mm (1.3 in)	37 of 100 (Notable)
Meade	United States	Record low minimum temperature	-10.6 C (12.9 F)	37 of 100 (Notable)

Counts by Type and Timescale

666 records

Records set or tied on 20 November 1987 by type: Highest daily maximum 127, Lowest daily maximum 54, Highest daily minimum 73, Lowest daily minimum 63, Heaviest daily rainfall 309, Heaviest daily snowfall 29, Deepest snow cover 11.

Records on 20 November 1987 by type
Record type	Records
Highest daily maximum	127
Lowest daily maximum	54
Highest daily minimum	73
Lowest daily minimum	63
Heaviest daily rainfall	309
Heaviest daily snowfall	29
Deepest snow cover	11

Records on 20 November 1987 by timescale: all-time 3, monthly 21, daily 642.

How Much Records Were Beaten By

550 broken records

Margins by which the 550 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 84.0. Ties are not counted.

Top 20 by Significance

20 November 1987

Top 20 records on 20 November 1987 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 November 1987	Wilmot (Back Road), AU	daily rain	68.8 mm (2.7 in)	43.1 mm (1.7 in)	74 years	69 of 100 (Major)
20 November 1987	Eaglehawk Neck (Jetty Road), AU	daily rain	33.6 mm (1.3 in)	22.7 mm (0.9 in)	93 years	69 of 100 (Major)
20 November 1987	Renison Bell, AU	daily rain	58.6 mm (2.3 in)	39.0 mm (1.5 in)	74 years	69 of 100 (Major)
20 November 1987	Low Head (Comparison), AU	daily rain	32.4 mm (1.3 in)	19.2 mm (0.8 in)	76 years	66 of 100 (Major)
20 November 1987	Connorville (Lake River), AU	monthly rain	61.8 mm (2.4 in)	25.0 mm (1.0 in)	40 years	65 of 100 (Major)
20 November 1987	Wihareja, AU	daily rain	38.0 mm (1.5 in)	28.6 mm (1.1 in)	56 years	63 of 100 (Major)
20 November 1987	Mole Creek, AU	daily rain	64.4 mm (2.5 in)	48.9 mm (1.9 in)	40 years	59 of 100 (Notable)
20 November 1987	South Nietta, AU	daily rain	64.0 mm (2.5 in)	42.9 mm (1.7 in)	45 years	59 of 100 (Notable)
20 November 1987	Cape Grim (Woolnorth), AU	daily rain	47.4 mm (1.9 in)	29.9 mm (1.2 in)	28 years	58 of 100 (Notable)
20 November 1987	Smithton (Grant Street), AU	daily rain	48.6 mm (1.9 in)	30.3 mm (1.2 in)	36 years	58 of 100 (Notable)
20 November 1987	Lake Margaret Dam, AU	daily rain	93.2 mm (3.7 in)	58.1 mm (2.3 in)	36 years	57 of 100 (Notable)
20 November 1987	Ridgley, AU	daily rain	56.6 mm (2.2 in)	38.3 mm (1.5 in)	32 years	56 of 100 (Notable)
20 November 1987	Poatina (Billopp), AU	monthly rain	55.6 mm (2.2 in)	20.8 mm (0.8 in)	35 years	56 of 100 (Notable)
20 November 1987	Preolenna, AU	monthly rain	125.0 mm (4.9 in)	60.2 mm (2.4 in)	9 years	55 of 100 (Notable)
20 November 1987	Mawbanna (Mawbanna Road), AU	daily rain	66.0 mm (2.6 in)	53.3 mm (2.1 in)	32 years	53 of 100 (Notable)
20 November 1987	Deloraine (Athol), AU	daily rain	43.0 mm (1.7 in)	29.4 mm (1.2 in)	12 years	52 of 100 (Notable)
20 November 1987	Col du Grand St-Bernard, CH	daily rain	97.0 mm (3.8 in)	51.7 mm (2.0 in)	21 years	52 of 100 (Notable)
20 November 1987	Sheffield, AU	daily rain	66.0 mm (2.6 in)	52.4 mm (2.1 in)	12 years	51 of 100 (Notable)
20 November 1987	Campbell Town Post Office, AU	daily rain	46.0 mm (1.8 in)	33.8 mm (1.3 in)	16 years	51 of 100 (Notable)
20 November 1987	Miena Dam, AU	daily rain	34.4 mm (1.4 in)	19.4 mm (0.8 in)	14 years	51 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 1987

Records set or tied on this calendar date in each year from 1793 to 1987. 1987 had 666 records.

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

Records on 11-20 in each year
Year	Records
1793	1
1809	2
1816	3
1829	4
1835	1
1836	1
1847	1
1851	1
1852	1
1855	1
1858	1
1859	1
1862	1
1865	1
1871	1
1873	1
1874	1
1878	1
1879	3
1880	2
1881	1
1884	1
1885	2
1886	1
1887	1
1889	3
1890	2
1891	4
1893	2
1894	1
1897	7
1900	11
1901	6
1902	10
1903	10
1904	9
1905	7
1906	22
1907	5
1908	8
1909	26
1910	14
1911	29
1912	15
1913	64
1914	89
1915	12
1916	16
1917	65
1918	14
1919	47
1920	15
1921	73
1922	26
1923	45
1924	84
1925	224
1926	294
1927	105
1928	140
1929	130
1930	600
1931	646
1932	255
1933	702
1934	477
1935	55
1936	286
1937	1,102
1938	167
1939	265
1940	280
1941	438
1942	774
1943	248
1944	347
1945	322
1946	774
1947	413
1948	651
1949	362
1950	877
1951	742
1952	494
1953	850
1954	876
1955	365
1956	598
1957	190
1958	218
1959	270
1960	330
1961	540
1962	700
1963	597
1964	863
1965	285
1966	434
1967	277
1968	479
1969	710
1970	368
1971	651
1972	729
1973	941
1974	655
1975	660
1976	389
1977	1,332
1978	1,413
1979	819
1980	745
1981	1,119
1982	800
1983	1,054
1984	537
1985	2,379
1986	1,142
1987	666
1988	1,218
1989	986
1990	1,010
1991	798
1992	1,416
1993	1,211
1994	1,484
1995	1,237
1996	1,566
1997	461
1998	829
1999	493
2000	1,163
2001	843
2002	900
2003	1,242
2004	738
2005	432
2006	1,034
2007	1,151
2008	1,171
2009	1,184
2010	678
2011	816
2012	657
2013	411
2014	1,018
2015	733
2016	725
2017	451
2018	339
2019	791
2020	578
2021	414
2022	1,283
2023	554
2024	645
2025	660

Download the Data

Data for records on 1987-11-20: 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	500
20 to 40	35
40 to 60	12
60 to 80	2
80 to 100	1