Weather Records on 30 October 1987

883 weather records were set or tied worldwide on 30 October 1987. Highest significance: Yerevan, AM.

Key Facts for 30 October 1987

On 30 October 1987, 883 weather records were set or tied at long-record stations worldwide.
461 were record highs and 202 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 38 monthly and 845 daily.
Yerevan set a daily record precipitation of 32.8 mm (1.3 in) on 30 October 1987.
Across 153 earlier years (1799 to 2025) the same calendar date averaged 488 records.

Record Map

883 stations

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

Weather records on 30 October 1987: highest significance records shown on the map
Station	Country	Type	Value	Significance
Yerevan	Armenia	Record daily precipitation	32.8 mm (1.3 in)	72 of 100 (Major)
Windhoek	Namibia	Record daily precipitation	28.0 mm (1.1 in)	62 of 100 (Major)
Barter Island WSO AP	United States	Record daily snowfall	18.0 cm (7.1 in)	54 of 100 (Notable)
Winfield	Australia	Record daily precipitation	133.0 mm (5.2 in)	51 of 100 (Notable)
Ararat	Armenia	Record daily precipitation	36.2 mm (1.4 in)	49 of 100 (Notable)
Watalgan Winfield Rd	Australia	Record daily precipitation	77.2 mm (3.0 in)	49 of 100 (Notable)
Egvard	Armenia	Record daily precipitation	29.5 mm (1.2 in)	48 of 100 (Notable)
Listowel Downs	Australia	Record daily precipitation	37.8 mm (1.5 in)	48 of 100 (Notable)
Tsalka	Georgia	Record daily precipitation	28.8 mm (1.1 in)	46 of 100 (Notable)
Comet Post Office	Australia	Record daily precipitation	41.8 mm (1.6 in)	45 of 100 (Notable)
Miriam Vale	Australia	Record daily precipitation	41.4 mm (1.6 in)	45 of 100 (Notable)
Rosedale Post Office	Australia	Record daily precipitation	72.0 mm (2.8 in)	45 of 100 (Notable)
Goodnight Scrub Res 169	Australia	Record daily precipitation	41.0 mm (1.6 in)	44 of 100 (Notable)
Wooroolin Post Office	Australia	Record daily precipitation	54.6 mm (2.1 in)	43 of 100 (Notable)
Fergana	Uzbekistan	Record low minimum temperature	-7.4 C (18.7 F)	43 of 100 (Notable)
Robe Comparison	Australia	Record high maximum temperature	29.5 C (85.1 F)	42 of 100 (Notable)
Burketown Post Office	Australia	Record high minimum temperature	26.8 C (80.2 F)	40 of 100 (Notable)
Lawn Hill	Australia	Record daily precipitation	53.0 mm (2.1 in)	40 of 100 (Notable)
Clermont Sirius St	Australia	Record daily precipitation	30.0 mm (1.2 in)	40 of 100 (Notable)
Eads	United States	Record high minimum temperature	8.9 C (48.0 F)	40 of 100 (Notable)
Fergana	Uzbekistan	Record low maximum temperature	3.2 C (37.8 F)	40 of 100 (Notable)
Woodruff	United States	Record high minimum temperature	5.6 C (42.1 F)	39 of 100 (Notable)
Gin Gin Post Office	Australia	Record daily precipitation	56.0 mm (2.2 in)	37 of 100 (Notable)
Almaty	Kazakhstan	Record low minimum temperature	-11.9 C (10.6 F)	36 of 100 (Notable)
Ft Valley	United States	Record daily precipitation	33.0 mm (1.3 in)	36 of 100 (Notable)
Ft Morgan	United States	Record high minimum temperature	4.4 C (39.9 F)	36 of 100 (Notable)
Curtis	United States	Record daily precipitation	53.8 mm (2.1 in)	36 of 100 (Notable)
Launiupoko Intake 376	United States	Record daily precipitation	62.5 mm (2.5 in)	36 of 100 (Notable)
Manfred Downs Station	Australia	Record daily precipitation	39.1 mm (1.5 in)	35 of 100 (Notable)
Kilkivan Post Office	Australia	Record daily precipitation	60.8 mm (2.4 in)	35 of 100 (Notable)
Mount Joseph	Australia	Record daily precipitation	68.6 mm (2.7 in)	35 of 100 (Notable)
Manglisi	Georgia	Record daily precipitation	32.5 mm (1.3 in)	35 of 100 (Notable)
Wallaville- Mill Street	Australia	Record daily precipitation	67.5 mm (2.7 in)	34 of 100 (Routine)
Hamada	Japan	Record daily precipitation	64.0 mm (2.5 in)	34 of 100 (Routine)
Buzau	Romania	Record low maximum temperature	3.8 C (38.8 F)	34 of 100 (Routine)
Bright Angel Rs	United States	Record daily precipitation	38.1 mm (1.5 in)	34 of 100 (Routine)
Burlington	United States	Record high minimum temperature	9.4 C (48.9 F)	34 of 100 (Routine)
Hanover	United States	Record low minimum temperature	-5.0 C (23.0 F)	34 of 100 (Routine)
Mount Wilkin	Australia	Record daily precipitation	49.6 mm (2.0 in)	33 of 100 (Routine)
Lakeview 2 NNW	United States	Record high minimum temperature	8.3 C (46.9 F)	33 of 100 (Routine)
Moonmera	Australia	Record daily precipitation	26.8 mm (1.1 in)	32 of 100 (Routine)
Yining	China	Record low minimum temperature	-11.7 C (10.9 F)	32 of 100 (Routine)
Uch-Aral	Kazakhstan	Record low minimum temperature	-15.6 C (3.9 F)	32 of 100 (Routine)
Headworks Portland Wtr B	United States	Record high minimum temperature	11.7 C (53.1 F)	32 of 100 (Routine)
Vernal	United States	Record high minimum temperature	7.8 C (46.0 F)	32 of 100 (Routine)
Evanston 1 E	United States	Record high minimum temperature	5.6 C (42.1 F)	32 of 100 (Routine)
Kuranda Railway Station	Australia	Record daily precipitation	32.0 mm (1.3 in)	31 of 100 (Routine)
Kokpekty	Kazakhstan	Record low minimum temperature	-18.9 C (-2.0 F)	31 of 100 (Routine)
Kisinev	Moldova	Record low maximum temperature	1.8 C (35.2 F)	31 of 100 (Routine)
Izmail	Ukraine	Record low maximum temperature	3.0 C (37.4 F)	31 of 100 (Routine)
Dulce	United States	Record high minimum temperature	3.3 C (37.9 F)	31 of 100 (Routine)
Clearwater	United States	Record high minimum temperature	12.2 C (54.0 F)	31 of 100 (Routine)
Bishkek	Kyrgyzstan	Record low minimum temperature	-11.2 C (11.8 F)	30 of 100 (Routine)
Malinaltepec (Cfe)	Mexico	Record low minimum temperature	8.9 C (48.0 F)	30 of 100 (Routine)
Gyshgy	Turkmenistan	Record low maximum temperature	4.5 C (40.1 F)	30 of 100 (Routine)
New Meadows Rs	United States	Record high maximum temperature	21.7 C (71.1 F)	30 of 100 (Routine)
Cimbaj	Uzbekistan	Record low minimum temperature	-10.7 C (12.7 F)	30 of 100 (Routine)
Duaringa Post Office	Australia	Record daily precipitation	44.0 mm (1.7 in)	29 of 100 (Routine)
Kalpowar Forestry	Australia	Record daily precipitation	58.0 mm (2.3 in)	29 of 100 (Routine)
The Cedars	Australia	Record daily precipitation	53.8 mm (2.1 in)	29 of 100 (Routine)

Counts by Type and Timescale

883 records

Records set or tied on 30 October 1987 by type: Highest daily maximum 189, Lowest daily maximum 100, Highest daily minimum 272, Lowest daily minimum 102, Heaviest daily rainfall 218, Heaviest daily snowfall 2.

Records on 30 October 1987 by type
Record type	Records
Highest daily maximum	189
Lowest daily maximum	100
Highest daily minimum	272
Lowest daily minimum	102
Heaviest daily rainfall	218
Heaviest daily snowfall	2
Deepest snow cover	0

Records on 30 October 1987 by timescale: all-time 0, monthly 38, daily 845.

How Much Records Were Beaten By

708 broken records

Margins by which the 708 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 134.0. Ties are not counted.

Top 20 by Significance

30 October 1987

Top 20 records on 30 October 1987 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 October 1987	Yerevan, AM	daily rain	32.8 mm (1.3 in)	24.0 mm (0.9 in)	74 years	72 of 100 (Major)
30 October 1987	Windhoek, NA	daily rain	28.0 mm (1.1 in)	21.0 mm (0.8 in)	68 years	62 of 100 (Major)
30 October 1987	Barter Island WSO AP, US	daily snowfall	18.0 cm (7.1 in)	13.4 cm (5.3 in)	34 years	54 of 100 (Notable)
30 October 1987	Winfield, AU	daily rain	133.0 mm (5.2 in)	116.2 mm (4.6 in)	20 years	51 of 100 (Notable)
30 October 1987	Ararat, AM	monthly rain	36.2 mm (1.4 in)	12.1 mm (0.5 in)	29 years	49 of 100 (Notable)
30 October 1987	Watalgan Winfield Rd, AU	daily rain	77.2 mm (3.0 in)	71.4 mm (2.8 in)	36 years	49 of 100 (Notable)
30 October 1987	Egvard, AM	daily rain	29.5 mm (1.2 in)	18.6 mm (0.7 in)	40 years	48 of 100 (Notable)
30 October 1987	Listowel Downs, AU	daily rain	37.8 mm (1.5 in)	18.0 mm (0.7 in)	68 years	48 of 100 (Notable)
30 October 1987	Tsalka, GE	daily rain	28.8 mm (1.1 in)	17.3 mm (0.7 in)	18 years	46 of 100 (Notable)
30 October 1987	Comet Post Office, AU	daily rain	41.8 mm (1.6 in)	26.3 mm (1.0 in)	49 years	45 of 100 (Notable)
30 October 1987	Miriam Vale, AU	daily rain	41.4 mm (1.6 in)	29.2 mm (1.1 in)	57 years	45 of 100 (Notable)
30 October 1987	Rosedale Post Office, AU	daily rain	72.0 mm (2.8 in)	39.0 mm (1.5 in)	57 years	45 of 100 (Notable)
30 October 1987	Goodnight Scrub Res 169, AU	daily rain	41.0 mm (1.6 in)	35.9 mm (1.4 in)	49 years	44 of 100 (Notable)
30 October 1987	Wooroolin Post Office, AU	daily rain	54.6 mm (2.1 in)	39.6 mm (1.6 in)	13 years	43 of 100 (Notable)
30 October 1987	Fergana, UZ	monthly low min	-7.4 C (18.7 F)	0.2 C (0.4 F)	78 years	43 of 100 (Notable)
30 October 1987	Robe Comparison, AU	daily high max	29.5 C (85.1 F)	3.8 C (6.8 F)	68 years	42 of 100 (Notable)
30 October 1987	Burketown Post Office, AU	daily high min	26.8 C (80.2 F)	1.2 C (2.2 F)	91 years	40 of 100 (Notable)
30 October 1987	Lawn Hill, AU	daily rain	53.0 mm (2.1 in)	43.4 mm (1.7 in)	10 years	40 of 100 (Notable)
30 October 1987	Clermont Sirius St, AU	daily rain	30.0 mm (1.2 in)	2.1 mm (0.08 in)	98 years	40 of 100 (Notable)
30 October 1987	Eads, US	daily high min	8.9 C (48.0 F)	4.5 C (8.1 F)	74 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

1799 to 1987

Records set or tied on this calendar date in each year from 1799 to 1987. 1987 had 883 records.

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

Records on 10-30 in each year
Year	Records
1799	1
1815	1
1837	1
1839	1
1841	1
1849	1
1856	1
1866	1
1867	1
1869	5
1870	1
1871	1
1873	2
1877	1
1881	4
1885	3
1886	2
1887	1
1888	1
1889	3
1890	4
1891	2
1892	3
1894	7
1896	4
1897	2
1898	2
1899	2
1900	3
1901	9
1902	6
1903	3
1904	1
1905	12
1906	25
1907	12
1908	14
1909	15
1910	22
1911	19
1912	28
1913	38
1914	22
1915	39
1916	23
1917	85
1918	189
1919	80
1920	73
1921	31
1922	108
1923	202
1924	246
1925	755
1926	131
1927	259
1928	195
1929	277
1930	228
1931	144
1932	181
1933	454
1934	198
1935	739
1936	253
1937	496
1938	245
1939	240
1940	251
1941	393
1942	877
1943	255
1944	497
1945	446
1946	826
1947	252
1948	326
1949	528
1950	1,186
1951	373
1952	635
1953	522
1954	276
1955	494
1956	716
1957	531
1958	366
1959	859
1960	258
1961	781
1962	382
1963	353
1964	488
1965	439
1966	490
1967	665
1968	555
1969	656
1970	636
1971	1,663
1972	902
1973	534
1974	1,039
1975	427
1976	760
1977	882
1978	359
1979	809
1980	885
1981	547
1982	534
1983	549
1984	1,270
1985	848
1986	422
1987	883
1988	972
1989	904
1990	685
1991	2,772
1992	1,228
1993	2,095
1994	777
1995	831
1996	1,299
1997	1,033
1998	771
1999	897
2000	1,659
2001	1,233
2002	1,564
2003	973
2004	1,188
2005	1,144
2006	886
2007	773
2008	1,310
2009	1,513
2010	619
2011	1,022
2012	1,413
2013	622
2014	297
2015	395
2016	981
2017	783
2018	507
2019	1,931
2020	683
2021	486
2022	762
2023	969
2024	1,393
2025	322

Download the Data

Data for records on 1987-10-30: 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	678
20 to 40	25
40 to 60	2
60 to 80	1
80 to 100	0
100 to 120	1
120 to 140	1