Weather Records on 30 November 1987

913 weather records were set or tied worldwide on 30 November 1987. Highest significance: Lancaster, US.

Key Facts for 30 November 1987

On 30 November 1987, 913 weather records were set or tied at long-record stations worldwide.
266 were record highs and 179 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 33 monthly and 880 daily.
Lancaster set a daily record precipitation of 51.3 mm (2.0 in) on 30 November 1987.
Across 158 earlier years (1797 to 2025) the same calendar date averaged 486 records.

Record Map

913 stations

913 station records on 30 November 1987 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 November 1987: highest significance records shown on the map
Station	Country	Type	Value	Significance
Lancaster	United States	Record daily precipitation	51.3 mm (2.0 in)	69 of 100 (Major)
Carinda (Boorooma)	Australia	Record daily precipitation	76.0 mm (3.0 in)	62 of 100 (Major)
Calton Hills Station	Australia	Record daily precipitation	37.0 mm (1.5 in)	58 of 100 (Notable)
Yathroo	Australia	Record daily precipitation	28.0 mm (1.1 in)	55 of 100 (Notable)
Bologna	Italy	Record daily precipitation	41.8 mm (1.6 in)	55 of 100 (Notable)
Chimacum 4 S	United States	Record daily precipitation	51.1 mm (2.0 in)	53 of 100 (Notable)
Augusta State AP	United States	Record daily precipitation	68.1 mm (2.7 in)	51 of 100 (Notable)
Dalyup Park	Australia	Record daily precipitation	46.0 mm (1.8 in)	48 of 100 (Notable)
Wanaaring (Thurloo Downs)	Australia	Record daily precipitation	36.0 mm (1.4 in)	48 of 100 (Notable)
Kentfield	United States	Record daily precipitation	95.3 mm (3.8 in)	48 of 100 (Notable)
Mornington	Australia	Record daily precipitation	69.3 mm (2.7 in)	47 of 100 (Notable)
Premer Post Office	Australia	Record daily precipitation	30.0 mm (1.2 in)	46 of 100 (Notable)
Woodlea	Australia	Record daily precipitation	90.0 mm (3.5 in)	45 of 100 (Notable)
Clifton	United States	Record daily snowfall	12.7 cm (5.0 in)	45 of 100 (Notable)
Buckingham Downs	Australia	Record daily precipitation	29.0 mm (1.1 in)	44 of 100 (Notable)
Mundaring	Australia	Record daily precipitation	30.2 mm (1.2 in)	43 of 100 (Notable)
Newark	United States	Record daily precipitation	35.1 mm (1.4 in)	43 of 100 (Notable)
Valley Falls	United States	Record daily precipitation	28.2 mm (1.1 in)	43 of 100 (Notable)
Richmond Post Office	Australia	Record low maximum temperature	28.4 C (83.1 F)	42 of 100 (Notable)
Port Jervis	United States	Record daily precipitation	48.3 mm (1.9 in)	42 of 100 (Notable)
Mac Mac Bos	South Africa	Record daily precipitation	103.5 mm (4.1 in)	41 of 100 (Notable)
Palmerville	Australia	Record high minimum temperature	25.0 C (77.0 F)	39 of 100 (Notable)
Alni	Australia	Record daily precipitation	28.0 mm (1.1 in)	39 of 100 (Notable)
Nueva Esperanza	Mexico	Record high minimum temperature	27.8 C (82.0 F)	39 of 100 (Notable)
Juchitan de Zaragoza	Mexico	Record daily precipitation	49.3 mm (1.9 in)	39 of 100 (Notable)
Coolabah (Branglebar)	Australia	Record daily precipitation	41.0 mm (1.6 in)	38 of 100 (Notable)
Rumoi	Japan	Record daily precipitation	34.0 mm (1.3 in)	38 of 100 (Notable)
Manzini/Matsapa Air	Swaziland	Record daily precipitation	49.3 mm (1.9 in)	38 of 100 (Notable)
Toolebuc	Australia	Record daily precipitation	27.0 mm (1.1 in)	37 of 100 (Notable)
Mungindi (Wilgabah)	Australia	Record daily precipitation	42.0 mm (1.7 in)	37 of 100 (Notable)
Gouverneur 3 NW	United States	Record daily precipitation	38.1 mm (1.5 in)	37 of 100 (Notable)
Sherburne	United States	Record daily precipitation	36.1 mm (1.4 in)	37 of 100 (Notable)
Hong Kong Observatory	China	Record low maximum temperature	11.2 C (52.2 F)	36 of 100 (Notable)
Ferrara	Italy	Record daily precipitation	41.3 mm (1.6 in)	36 of 100 (Notable)
Ixtepec	Mexico	Record daily precipitation	60.5 mm (2.4 in)	36 of 100 (Notable)
Lake City	United States	Record daily precipitation	26.7 mm (1.1 in)	36 of 100 (Notable)
Holtwood	United States	Record daily precipitation	49.8 mm (2.0 in)	36 of 100 (Notable)
Pleasant Valley	Australia	Record daily precipitation	46.2 mm (1.8 in)	35 of 100 (Notable)
Rustplaats	South Africa	Record daily precipitation	65.0 mm (2.6 in)	35 of 100 (Notable)
Charlotteburg Rsvr	United States	Record daily precipitation	55.9 mm (2.2 in)	35 of 100 (Notable)
Long Branch-Oakhurst	United States	Record daily precipitation	43.2 mm (1.7 in)	35 of 100 (Notable)
Hanover	United States	Record daily precipitation	63.5 mm (2.5 in)	35 of 100 (Notable)
Francisco Sa (Efbm)	Brazil	Record daily precipitation	74.0 mm (2.9 in)	33 of 100 (Routine)
Hesperia 4 WNW	United States	Record daily precipitation	30.2 mm (1.2 in)	33 of 100 (Routine)
Hamburg	United States	Record daily precipitation	50.8 mm (2.0 in)	33 of 100 (Routine)
Northam	Australia	Record low minimum temperature	8.0 C (46.4 F)	32 of 100 (Routine)
Newton	United States	Record daily precipitation	47.5 mm (1.9 in)	32 of 100 (Routine)
Quincy	United States	Record high minimum temperature	7.8 C (46.0 F)	31 of 100 (Routine)
Rumford 1 SSE	United States	Record daily precipitation	52.1 mm (2.1 in)	31 of 100 (Routine)
Kresgeville 2 W	United States	Record daily precipitation	65.3 mm (2.6 in)	31 of 100 (Routine)
Long Pond Pocono Lake	United States	Record daily precipitation	65.8 mm (2.6 in)	31 of 100 (Routine)
Selinsgrove 2 S	United States	Record daily precipitation	39.1 mm (1.5 in)	31 of 100 (Routine)
W Chester 2 NW	United States	Record daily precipitation	53.8 mm (2.1 in)	31 of 100 (Routine)
Bangor Intl AP	United States	Record daily precipitation	48.8 mm (1.9 in)	31 of 100 (Routine)
Ravensthorpe	Australia	Record daily precipitation	25.0 mm (1.0 in)	30 of 100 (Routine)
Shantou	China	Record low maximum temperature	11.0 C (51.8 F)	30 of 100 (Routine)
Myerstown	United States	Record daily precipitation	54.4 mm (2.1 in)	30 of 100 (Routine)
Warrenton 3 SE	United States	Record daily precipitation	38.1 mm (1.5 in)	30 of 100 (Routine)
Hartford-Bradley Intl AP	United States	Record daily precipitation	38.6 mm (1.5 in)	30 of 100 (Routine)
Essex Downs Station	Australia	Record daily precipitation	42.4 mm (1.7 in)	29 of 100 (Routine)

Counts by Type and Timescale

913 records

Records set or tied on 30 November 1987 by type: Highest daily maximum 87, Lowest daily maximum 87, Highest daily minimum 179, Lowest daily minimum 92, Heaviest daily rainfall 431, Heaviest daily snowfall 23, Deepest snow cover 14.

Records on 30 November 1987 by type
Record type	Records
Highest daily maximum	87
Lowest daily maximum	87
Highest daily minimum	179
Lowest daily minimum	92
Heaviest daily rainfall	431
Heaviest daily snowfall	23
Deepest snow cover	14

Records on 30 November 1987 by timescale: all-time 0, monthly 33, daily 880.

How Much Records Were Beaten By

771 broken records

Margins by which the 771 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 127.0. Ties are not counted.

Top 20 by Significance

30 November 1987

Top 20 records on 30 November 1987 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 November 1987	Lancaster, US	daily rain	51.3 mm (2.0 in)	35.0 mm (1.4 in)	68 years	69 of 100 (Major)
30 November 1987	Carinda (Boorooma), AU	daily rain	76.0 mm (3.0 in)	54.2 mm (2.1 in)	40 years	62 of 100 (Major)
30 November 1987	Calton Hills Station, AU	daily rain	37.0 mm (1.5 in)	35.0 mm (1.4 in)	72 years	58 of 100 (Notable)
30 November 1987	Yathroo, AU	monthly rain	28.0 mm (1.1 in)	5.1 mm (0.20 in)	79 years	55 of 100 (Notable)
30 November 1987	Bologna, IT	daily rain	41.8 mm (1.6 in)	20.2 mm (0.8 in)	86 years	55 of 100 (Notable)
30 November 1987	Chimacum 4 S, US	daily rain	51.1 mm (2.0 in)	29.8 mm (1.2 in)	25 years	53 of 100 (Notable)
30 November 1987	Augusta State AP, US	daily rain	68.1 mm (2.7 in)	53.1 mm (2.1 in)	24 years	51 of 100 (Notable)
30 November 1987	Dalyup Park, AU	daily rain	46.0 mm (1.8 in)	32.8 mm (1.3 in)	1 year	48 of 100 (Notable)
30 November 1987	Wanaaring (Thurloo Downs), AU	daily rain	36.0 mm (1.4 in)	12.1 mm (0.5 in)	91 years	48 of 100 (Notable)
30 November 1987	Kentfield, US	daily rain	95.3 mm (3.8 in)	48.8 mm (1.9 in)	68 years	48 of 100 (Notable)
30 November 1987	Mornington, AU	monthly rain	69.3 mm (2.7 in)	0.7 mm (0.03 in)	88 years	47 of 100 (Notable)
30 November 1987	Premer Post Office, AU	daily rain	30.0 mm (1.2 in)	10.9 mm (0.4 in)	84 years	46 of 100 (Notable)
30 November 1987	Woodlea, AU	monthly rain	90.0 mm (3.5 in)	29.8 mm (1.2 in)	26 years	45 of 100 (Notable)
30 November 1987	Clifton, US	daily snowfall	12.7 cm (5.0 in)	12.7 cm (5.0 in)	56 years	45 of 100 (Notable)
30 November 1987	Buckingham Downs, AU	daily rain	29.0 mm (1.1 in)	26.2 mm (1.0 in)	45 years	44 of 100 (Notable)
30 November 1987	Mundaring, AU	daily rain	30.2 mm (1.2 in)	17.8 mm (0.7 in)	36 years	43 of 100 (Notable)
30 November 1987	Newark, US	daily rain	35.1 mm (1.4 in)	16.3 mm (0.6 in)	41 years	43 of 100 (Notable)
30 November 1987	Valley Falls, US	daily rain	28.2 mm (1.1 in)	11.7 mm (0.5 in)	69 years	43 of 100 (Notable)
30 November 1987	Richmond Post Office, AU	daily low max	28.4 C (83.1 F)	2.0 C (3.6 F)	91 years	42 of 100 (Notable)
30 November 1987	Port Jervis, US	daily rain	48.3 mm (1.9 in)	16.3 mm (0.6 in)	64 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

1797 to 1987

Records set or tied on this calendar date in each year from 1797 to 1987. 1987 had 913 records.

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

Records on 11-30 in each year
Year	Records
1797	1
1799	2
1807	2
1815	2
1817	1
1821	1
1827	2
1836	1
1840	1
1846	1
1849	2
1866	1
1867	1
1871	2
1875	7
1876	2
1879	2
1881	1
1885	7
1886	1
1887	2
1888	1
1889	3
1890	2
1891	2
1892	2
1893	3
1894	1
1895	7
1896	5
1897	5
1898	1
1899	7
1900	4
1901	8
1902	7
1903	22
1904	6
1905	16
1906	21
1907	6
1908	51
1909	20
1910	22
1911	22
1912	19
1913	54
1914	68
1915	37
1916	64
1917	26
1918	32
1919	87
1920	138
1921	42
1922	46
1923	144
1924	95
1925	102
1926	84
1927	600
1928	187
1929	883
1930	185
1931	375
1932	372
1933	1,006
1934	1,282
1935	84
1936	186
1937	375
1938	165
1939	321
1940	330
1941	298
1942	218
1943	238
1944	422
1945	147
1946	343
1947	544
1948	332
1949	323
1950	382
1951	348
1952	829
1953	307
1954	470
1955	576
1956	304
1957	226
1958	676
1959	339
1960	219
1961	412
1962	802
1963	566
1964	1,042
1965	309
1966	730
1967	802
1968	516
1969	625
1970	995
1971	501
1972	414
1973	635
1974	912
1975	2,018
1976	1,789
1977	935
1978	761
1979	837
1980	697
1981	1,361
1982	1,142
1983	1,137
1984	571
1985	2,887
1986	798
1987	913
1988	686
1989	781
1990	483
1991	2,104
1992	676
1993	756
1994	762
1995	1,472
1996	1,054
1997	987
1998	2,289
1999	1,170
2000	962
2001	1,431
2002	862
2003	634
2004	1,344
2005	883
2006	2,656
2007	739
2008	855
2009	951
2010	1,915
2011	1,108
2012	1,059
2013	505
2014	822
2015	880
2016	634
2017	307
2018	493
2019	1,060
2020	323
2021	1,049
2022	559
2023	583
2024	672
2025	858

Download the Data

Data for records on 1987-11-30: 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	716
20 to 40	44
40 to 60	8
60 to 80	2
80 to 100	0
100 to 120	0
120 to 140	1