Weather Records on 21 November 1987

949 weather records were set or tied worldwide on 21 November 1987. Highest significance: Hawi 168, US.

Key Facts for 21 November 1987

On 21 November 1987, 949 weather records were set or tied at long-record stations worldwide.
152 were record highs and 483 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 17 monthly and 932 daily.
Hawi 168 set a daily record precipitation of 92.7 mm (3.6 in) on 21 November 1987.
Across 159 earlier years (1803 to 2025) the same calendar date averaged 447 records.

Record Map

949 stations

949 station records on 21 November 1987 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 November 1987: highest significance records shown on the map
Station	Country	Type	Value	Significance
Hawi 168	United States	Record daily precipitation	92.7 mm (3.6 in)	62 of 100 (Major)
Paauilo 221	United States	Record daily precipitation	243.8 mm (9.6 in)	62 of 100 (Major)
Kukuihaele Hic 199	United States	Record daily precipitation	264.7 mm (10.4 in)	61 of 100 (Major)
Hilo Intl AP 87	United States	Record daily precipitation	137.9 mm (5.4 in)	53 of 100 (Notable)
Ookala 223	United States	Record daily precipitation	195.1 mm (7.7 in)	50 of 100 (Notable)
Union 3 SSE	United States	Record daily snowfall	5.6 cm (2.2 in)	49 of 100 (Notable)
Kulani Camp 79	United States	Record daily precipitation	243.8 mm (9.6 in)	48 of 100 (Notable)
Marshallville 1 SSW	United States	Record snow depth	15.2 cm (6.0 in)	47 of 100 (Notable)
Kotlas	Russia	Record low maximum temperature	-27.2 C (-17.0 F)	46 of 100 (Notable)
New Bedford Coop	United States	Record low minimum temperature	-11.7 C (10.9 F)	46 of 100 (Notable)
Elmira	United States	Record low maximum temperature	-7.8 C (18.0 F)	46 of 100 (Notable)
Machadodorp	South Africa	Record daily precipitation	52.5 mm (2.1 in)	45 of 100 (Notable)
Titusville Wtr Wks	United States	Record snow depth	20.3 cm (8.0 in)	45 of 100 (Notable)
Hughenden Post Office	Australia	Record daily precipitation	32.6 mm (1.3 in)	44 of 100 (Notable)
Goedgevonden	South Africa	Record daily precipitation	67.5 mm (2.7 in)	43 of 100 (Notable)
Franklin 2 NE	United States	Record daily snowfall	5.1 cm (2.0 in)	42 of 100 (Notable)
Chippewa Lake	United States	Record daily snowfall	15.2 cm (6.0 in)	41 of 100 (Notable)
Atlantic City Marina	United States	Record low maximum temperature	0.6 C (33.1 F)	41 of 100 (Notable)
Auburn	United States	Record low minimum temperature	-12.8 C (9.0 F)	40 of 100 (Notable)
Johnstown	United States	Record daily snowfall	16.5 cm (6.5 in)	40 of 100 (Notable)
Waiakea Scd 88.2	United States	Record daily precipitation	167.9 mm (6.6 in)	40 of 100 (Notable)
Presa Guaracha	Mexico	Record daily precipitation	26.9 mm (1.1 in)	39 of 100 (Notable)
Tot-Ma	Russia	Record low minimum temperature	-27.1 C (-16.8 F)	39 of 100 (Notable)
Haverhill	United States	Record low minimum temperature	-12.2 C (10.0 F)	39 of 100 (Notable)
Cornwall	United States	Record low minimum temperature	-13.9 C (7.0 F)	39 of 100 (Notable)
Shenkursk	Russia	Record low maximum temperature	-25.2 C (-13.4 F)	38 of 100 (Notable)
Montrose	United States	Record low minimum temperature	-14.4 C (6.1 F)	38 of 100 (Notable)
Texas Downs	Australia	Record daily precipitation	44.0 mm (1.7 in)	37 of 100 (Notable)
Peterboro 2 S	United States	Record low maximum temperature	-2.2 C (28.0 F)	37 of 100 (Notable)
Middletown 2 NW	United States	Record low minimum temperature	-9.4 C (15.1 F)	37 of 100 (Notable)
Chippewa Lake	United States	Record low maximum temperature	-3.3 C (26.1 F)	37 of 100 (Notable)
Copper Hill	United States	Record daily snowfall	11.4 cm (4.5 in)	37 of 100 (Notable)
Bluestone Lake	United States	Record daily snowfall	10.2 cm (4.0 in)	37 of 100 (Notable)
Oparino	Russia	Record low maximum temperature	-22.7 C (-8.9 F)	36 of 100 (Notable)
Chestertown	United States	Record low maximum temperature	1.7 C (35.1 F)	36 of 100 (Notable)
Rockville 1 NE	United States	Record low maximum temperature	-1.1 C (30.0 F)	36 of 100 (Notable)
Cheboygan	United States	Record low minimum temperature	-10.6 C (12.9 F)	36 of 100 (Notable)
Hemlock	United States	Record low maximum temperature	-6.1 C (21.0 F)	36 of 100 (Notable)
Greenville 2 NE	United States	Record low minimum temperature	-11.1 C (12.0 F)	36 of 100 (Notable)
Williston Sloulin Fld	United States	Record high maximum temperature	14.4 C (57.9 F)	36 of 100 (Notable)
Nikolsk	Russia	Record low maximum temperature	-21.7 C (-7.1 F)	35 of 100 (Notable)
Canyon Dam	United States	Record high minimum temperature	7.8 C (46.0 F)	35 of 100 (Notable)
New Bedford Coop	United States	Record low maximum temperature	0.6 C (33.1 F)	35 of 100 (Notable)
Cooperstown	United States	Record low maximum temperature	-3.9 C (25.0 F)	35 of 100 (Notable)
Chippewa Lake	United States	Record snow depth	17.8 cm (7.0 in)	35 of 100 (Notable)
Titusville Wtr Wks	United States	Record daily snowfall	21.3 cm (8.4 in)	35 of 100 (Notable)
Cape Leeuwin	Australia	Record low minimum temperature	10.7 C (51.3 F)	34 of 100 (Routine)
Bouake	Cote D'Ivoire	Record low minimum temperature	17.5 C (63.5 F)	34 of 100 (Routine)
Tatarsk	Russia	Record low maximum temperature	-26.5 C (-15.7 F)	34 of 100 (Routine)
Manchester 4 W	United States	Record low minimum temperature	-12.2 C (10.0 F)	34 of 100 (Routine)
New Salem 5NW	United States	Record high maximum temperature	16.1 C (61.0 F)	34 of 100 (Routine)
Oberlin	United States	Record snow depth	10.2 cm (4.0 in)	34 of 100 (Routine)
Jeogla Station	Australia	Record daily precipitation	26.0 mm (1.0 in)	33 of 100 (Routine)
Santa Cruz Das Palmeiras	Brazil	Record daily precipitation	94.7 mm (3.7 in)	33 of 100 (Routine)
Detour Village	United States	Record low minimum temperature	-12.8 C (9.0 F)	33 of 100 (Routine)
Brewerton Lock 23	United States	Record daily snowfall	20.3 cm (8.0 in)	33 of 100 (Routine)
Phoenixville 1 E	United States	Record low maximum temperature	-0.6 C (30.9 F)	33 of 100 (Routine)
Ashland	United States	Record low maximum temperature	2.2 C (36.0 F)	33 of 100 (Routine)
Oparino	Russia	Record low minimum temperature	-29.6 C (-21.3 F)	32 of 100 (Routine)
Warren	United States	Record high maximum temperature	11.7 C (53.1 F)	32 of 100 (Routine)

Counts by Type and Timescale

949 records

Records set or tied on 21 November 1987 by type: Highest daily maximum 97, Lowest daily maximum 243, Highest daily minimum 55, Lowest daily minimum 240, Heaviest daily rainfall 139, Heaviest daily snowfall 107, Deepest snow cover 68.

Records on 21 November 1987 by type
Record type	Records
Highest daily maximum	97
Lowest daily maximum	243
Highest daily minimum	55
Lowest daily minimum	240
Heaviest daily rainfall	139
Heaviest daily snowfall	107
Deepest snow cover	68

Records on 21 November 1987 by timescale: all-time 0, monthly 17, daily 932.

How Much Records Were Beaten By

768 broken records

Margins by which the 768 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 162.0. Ties are not counted.

Top 20 by Significance

21 November 1987

Top 20 records on 21 November 1987 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 November 1987	Hawi 168, US	daily rain	92.7 mm (3.6 in)	50.0 mm (2.0 in)	46 years	62 of 100 (Major)
21 November 1987	Paauilo 221, US	daily rain	243.8 mm (9.6 in)	151.1 mm (5.9 in)	49 years	62 of 100 (Major)
21 November 1987	Kukuihaele Hic 199, US	monthly rain	264.7 mm (10.4 in)	57.2 mm (2.3 in)	65 years	61 of 100 (Major)
21 November 1987	Hilo Intl AP 87, US	daily rain	137.9 mm (5.4 in)	112.8 mm (4.4 in)	36 years	53 of 100 (Notable)
21 November 1987	Ookala 223, US	daily rain	195.1 mm (7.7 in)	103.2 mm (4.1 in)	36 years	50 of 100 (Notable)
21 November 1987	Union 3 SSE, US	daily snowfall	5.6 cm (2.2 in)	5.6 cm (2.2 in)	80 years	49 of 100 (Notable)
21 November 1987	Kulani Camp 79, US	daily rain	243.8 mm (9.6 in)	115.0 mm (4.5 in)	13 years	48 of 100 (Notable)
21 November 1987	Marshallville 1 SSW, US	monthly snow depth	15.2 cm (6.0 in)	5.0 cm (2.0 in)	27 years	47 of 100 (Notable)
21 November 1987	Kotlas, RU	daily low max	-27.2 C (-17.0 F)	14.6 C (26.3 F)	48 years	46 of 100 (Notable)
21 November 1987	New Bedford Coop, US	daily low min	-11.7 C (10.9 F)	4.5 C (8.1 F)	93 years	46 of 100 (Notable)
21 November 1987	Elmira, US	monthly low max	-7.8 C (18.0 F)	1.7 C (3.1 F)	85 years	46 of 100 (Notable)
21 November 1987	Machadodorp, ZA	daily rain	52.5 mm (2.1 in)	14.7 mm (0.6 in)	76 years	45 of 100 (Notable)
21 November 1987	Titusville Wtr Wks, US	daily snow depth	20.3 cm (8.0 in)	15.2 cm (6.0 in)	32 years	45 of 100 (Notable)
21 November 1987	Hughenden Post Office, AU	daily rain	32.6 mm (1.3 in)	14.8 mm (0.6 in)	69 years	44 of 100 (Notable)
21 November 1987	Goedgevonden, ZA	daily rain	67.5 mm (2.7 in)	24.1 mm (0.9 in)	57 years	43 of 100 (Notable)
21 November 1987	Franklin 2 NE, US	daily snowfall	5.1 cm (2.0 in)	5.1 cm (2.0 in)	80 years	42 of 100 (Notable)
21 November 1987	Chippewa Lake, US	daily snowfall	15.2 cm (6.0 in)	10.1 cm (4.0 in)	49 years	41 of 100 (Notable)
21 November 1987	Atlantic City Marina, US	daily low max	0.6 C (33.1 F)	0.5 C (0.9 F)	107 years	41 of 100 (Notable)
21 November 1987	Auburn, US	daily low min	-12.8 C (9.0 F)	3.4 C (6.1 F)	81 years	40 of 100 (Notable)
21 November 1987	Johnstown, US	daily snowfall	16.5 cm (6.5 in)	11.9 cm (4.7 in)	5 years	40 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

1803 to 1987

Records set or tied on this calendar date in each year from 1803 to 1987. 1987 had 949 records.

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

Records on 11-21 in each year
Year	Records
1803	1
1816	2
1821	2
1829	1
1835	1
1839	1
1844	1
1847	1
1855	1
1856	1
1857	1
1858	4
1866	1
1868	1
1870	2
1871	2
1872	1
1873	2
1874	1
1876	2
1879	4
1880	4
1881	1
1882	1
1883	3
1887	3
1889	1
1890	7
1893	1
1894	4
1896	1
1897	4
1898	3
1899	4
1900	7
1901	5
1902	7
1903	5
1904	9
1905	3
1906	14
1907	7
1908	9
1909	18
1910	23
1911	19
1912	14
1913	79
1914	51
1915	21
1916	66
1917	248
1918	12
1919	22
1920	36
1921	96
1922	42
1923	27
1924	104
1925	73
1926	420
1927	108
1928	109
1929	467
1930	243
1931	682
1932	162
1933	381
1934	578
1935	62
1936	192
1937	1,309
1938	119
1939	303
1940	337
1941	329
1942	662
1943	212
1944	250
1945	308
1946	604
1947	540
1948	414
1949	588
1950	904
1951	605
1952	424
1953	408
1954	927
1955	419
1956	624
1957	442
1958	407
1959	460
1960	691
1961	738
1962	524
1963	601
1964	1,014
1965	448
1966	589
1967	336
1968	358
1969	611
1970	400
1971	514
1972	735
1973	1,100
1974	809
1975	548
1976	315
1977	1,313
1978	1,034
1979	1,409
1980	805
1981	939
1982	807
1983	1,066
1984	525
1985	1,808
1986	815
1987	949
1988	928
1989	797
1990	1,337
1991	944
1992	1,375
1993	1,413
1994	1,179
1995	1,084
1996	1,882
1997	449
1998	1,312
1999	920
2000	1,191
2001	811
2002	847
2003	1,007
2004	873
2005	491
2006	1,181
2007	936
2008	1,079
2009	1,131
2010	894
2011	944
2012	792
2013	543
2014	815
2015	785
2016	1,000
2017	687
2018	391
2019	653
2020	421
2021	296
2022	824
2023	584
2024	519
2025	745

Download the Data

Data for records on 1987-11-21: 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 2026-10-14 (14 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Margin	Records
0 to 25	661
25 to 50	61
50 to 75	21
75 to 100	12
100 to 125	9
125 to 150	1
150 to 175	3