Weather Records on 4 October 1987

1,502 weather records were set or tied worldwide on 4 October 1987. Highest significance: Berlin 5 S, US.

Key Facts for 4 October 1987

On 4 October 1987, 1,502 weather records were set or tied at long-record stations worldwide.
446 were record highs and 729 were record lows, counting maximum and minimum temperature.
By timescale, 6 were all-time records, 81 monthly and 1,415 daily.
Berlin 5 S set a monthly record daily snowfall of 25.4 cm (10.0 in) on 4 October 1987.
Across 160 earlier years (1795 to 2026) the same calendar date averaged 458 records.

Record Map

1,502 stations

1,502 station records on 4 October 1987 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 4 October 1987: highest significance records shown on the map
Station	Country	Type	Value	Significance
Berlin 5 S	United States	Record daily snowfall	25.4 cm (10.0 in)	82 of 100 (Exceptional)
Hanover	United States	Record daily precipitation	77.2 mm (3.0 in)	65 of 100 (Major)
Grafton	United States	Record snow depth	55.9 cm (22.0 in)	63 of 100 (Major)
Stykkisholmur	Iceland	Record daily precipitation	39.4 mm (1.6 in)	52 of 100 (Notable)
Berlin	United States	Record daily precipitation	50.8 mm (2.0 in)	52 of 100 (Notable)
Pahoa 65	United States	Record daily precipitation	152.9 mm (6.0 in)	52 of 100 (Notable)
Barcelona -Fabra Observatory	Spain	Record daily precipitation	144.1 mm (5.7 in)	51 of 100 (Notable)
Kapan	Armenia	Record daily precipitation	41.7 mm (1.6 in)	50 of 100 (Notable)
Hightstown 2 W	United States	Record daily precipitation	35.6 mm (1.4 in)	49 of 100 (Notable)
Beylagan Aerodrome	Azerbaijan	Record daily precipitation	45.4 mm (1.8 in)	48 of 100 (Notable)
Martuni	Armenia	Record daily precipitation	48.8 mm (1.9 in)	48 of 100 (Notable)
Sarkand	Kazakhstan	Record daily precipitation	31.0 mm (1.2 in)	48 of 100 (Notable)
Grafton	United States	Record daily precipitation	120.7 mm (4.8 in)	47 of 100 (Notable)
Liberty 1 NE	United States	Record daily snowfall	6.4 cm (2.5 in)	47 of 100 (Notable)
Newport	United States	Record daily precipitation	57.4 mm (2.3 in)	47 of 100 (Notable)
Albany Intl AP	United States	Record daily snowfall	16.5 cm (6.5 in)	47 of 100 (Notable)
Istisu	Azerbaijan	Record daily precipitation	25.3 mm (1.0 in)	46 of 100 (Notable)
Delhi 2 SE	United States	Record daily snowfall	10.2 cm (4.0 in)	44 of 100 (Notable)
Mohonk Lake	United States	Record daily snowfall	5.1 cm (2.0 in)	44 of 100 (Notable)
Mocambo	Brazil	Record daily precipitation	62.5 mm (2.5 in)	43 of 100 (Notable)
Crystal Springs Exp STN	United States	Record low maximum temperature	18.3 C (64.9 F)	43 of 100 (Notable)
Grafton	United States	Record daily precipitation	68.6 mm (2.7 in)	43 of 100 (Notable)
Mount Coolon Hotel	Australia	Record daily precipitation	35.8 mm (1.4 in)	42 of 100 (Notable)
Caruthersville	United States	Record low minimum temperature	-1.1 C (30.0 F)	42 of 100 (Notable)
Burkes Garden	United States	Record low maximum temperature	4.4 C (39.9 F)	42 of 100 (Notable)
Fizuly	Azerbaijan	Record daily precipitation	49.9 mm (2.0 in)	41 of 100 (Notable)
Mt Ida 3 SE	United States	Record low minimum temperature	-1.1 C (30.0 F)	41 of 100 (Notable)
Virginia City	United States	Record high maximum temperature	27.8 C (82.0 F)	41 of 100 (Notable)
Huichapan	Mexico	Record low maximum temperature	11.7 C (53.1 F)	40 of 100 (Notable)
Magadan	Russia	Record daily precipitation	43.9 mm (1.7 in)	40 of 100 (Notable)
Riverside Fire STN 3	United States	Record high maximum temperature	42.2 C (108.0 F)	40 of 100 (Notable)
Jackson	United States	Record low minimum temperature	-3.3 C (26.1 F)	40 of 100 (Notable)
Montpelier AP	United States	Record daily snowfall	12.7 cm (5.0 in)	40 of 100 (Notable)
Lerma	Mexico	Record low maximum temperature	12.2 C (54.0 F)	39 of 100 (Notable)
Mt Mansfield	United States	Record daily snowfall	17.8 cm (7.0 in)	39 of 100 (Notable)
Santa Maria Public AP	United States	Record high maximum temperature	42.2 C (108.0 F)	39 of 100 (Notable)
Prescott 2 NNW	United States	Record low minimum temperature	2.8 C (37.0 F)	38 of 100 (Notable)
Crystal Springs Exp STN	United States	Record low minimum temperature	5.0 C (41.0 F)	38 of 100 (Notable)
Grafton	United States	Record daily snowfall	55.9 cm (22.0 in)	38 of 100 (Notable)
Lewisburg 3 N	United States	Record low maximum temperature	7.2 C (45.0 F)	38 of 100 (Notable)
Lachin	Azerbaijan	Record daily precipitation	48.4 mm (1.9 in)	37 of 100 (Notable)
Kasumkent	Russia	Record daily precipitation	25.4 mm (1.0 in)	37 of 100 (Notable)
Long Valley	United States	Record daily precipitation	44.2 mm (1.7 in)	37 of 100 (Notable)
Rutland	United States	Record daily precipitation	76.2 mm (3.0 in)	37 of 100 (Notable)
Rutland	United States	Record daily snowfall	11.4 cm (4.5 in)	37 of 100 (Notable)
Mir-Bashir	Azerbaijan	Record daily precipitation	36.4 mm (1.4 in)	36 of 100 (Notable)
Lerik	Azerbaijan	Record daily precipitation	37.9 mm (1.5 in)	36 of 100 (Notable)
Frankford (Rossville)	Australia	Record daily precipitation	48.4 mm (1.9 in)	36 of 100 (Notable)
Auburn	United States	Record high minimum temperature	20.6 C (69.1 F)	36 of 100 (Notable)
Chula Vista	United States	Record high maximum temperature	38.3 C (100.9 F)	36 of 100 (Notable)
Fernandina Beach	United States	Record low maximum temperature	20.0 C (68.0 F)	36 of 100 (Notable)
W Pt	United States	Record daily precipitation	65.5 mm (2.6 in)	36 of 100 (Notable)
Delaware	United States	Record low minimum temperature	-3.9 C (25.0 F)	36 of 100 (Notable)
Waialua 847	United States	Record high minimum temperature	23.3 C (73.9 F)	36 of 100 (Notable)
Bowling Green Warren Co AP	United States	Record low minimum temperature	0.6 C (33.1 F)	36 of 100 (Notable)
Mt Carroll	United States	Record low minimum temperature	-5.6 C (21.9 F)	35 of 100 (Notable)
Salem	United States	Record low minimum temperature	-1.7 C (28.9 F)	35 of 100 (Notable)
Haverhill	United States	Record daily precipitation	40.6 mm (1.6 in)	35 of 100 (Notable)
Hattiesburg 5SW	United States	Record low maximum temperature	20.6 C (69.1 F)	35 of 100 (Notable)
Gouldsboro	United States	Record daily snowfall	5.1 cm (2.0 in)	35 of 100 (Notable)

Counts by Type and Timescale

1,502 records

Records set or tied on 4 October 1987 by type: Highest daily maximum 273, Lowest daily maximum 291, Highest daily minimum 173, Lowest daily minimum 438, Heaviest daily rainfall 279, Heaviest daily snowfall 30, Deepest snow cover 18.

Records on 4 October 1987 by type
Record type	Records
Highest daily maximum	273
Lowest daily maximum	291
Highest daily minimum	173
Lowest daily minimum	438
Heaviest daily rainfall	279
Heaviest daily snowfall	30
Deepest snow cover	18

Records on 4 October 1987 by timescale: all-time 6, monthly 81, daily 1,415.

How Much Records Were Beaten By

1,128 broken records

Margins by which the 1,128 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 483.0. Ties are not counted.

Top 20 by Significance

4 October 1987

Top 20 records on 4 October 1987 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
4 October 1987	Berlin 5 S, US	monthly snowfall	25.4 cm (10.0 in)	22.9 cm (9.0 in)	80 years	82 of 100 (Exceptional)
4 October 1987	Hanover, US	daily rain	77.2 mm (3.0 in)	36.8 mm (1.4 in)	60 years	65 of 100 (Major)
4 October 1987	Grafton, US	monthly snow depth	55.9 cm (22.0 in)	48.3 cm (19.0 in)	34 years	63 of 100 (Major)
4 October 1987	Stykkisholmur, IS	daily rain	39.4 mm (1.6 in)	35.4 mm (1.4 in)	32 years	52 of 100 (Notable)
4 October 1987	Berlin, US	daily rain	50.8 mm (2.0 in)	24.1 mm (0.9 in)	60 years	52 of 100 (Notable)
4 October 1987	Pahoa 65, US	daily rain	152.9 mm (6.0 in)	86.4 mm (3.4 in)	14 years	52 of 100 (Notable)
4 October 1987	Barcelona -Fabra Observatory, ES	monthly rain	144.1 mm (5.7 in)	24.7 mm (1.0 in)	58 years	51 of 100 (Notable)
4 October 1987	Kapan, AM	daily rain	41.7 mm (1.6 in)	25.9 mm (1.0 in)	36 years	50 of 100 (Notable)
4 October 1987	Hightstown 2 W, US	daily rain	35.6 mm (1.4 in)	24.2 mm (1.0 in)	80 years	49 of 100 (Notable)
4 October 1987	Beylagan Aerodrome, AZ	daily rain	45.4 mm (1.8 in)	32.8 mm (1.3 in)	12 years	48 of 100 (Notable)
4 October 1987	Martuni, AM	daily rain	48.8 mm (1.9 in)	33.6 mm (1.3 in)	12 years	48 of 100 (Notable)
4 October 1987	Sarkand, KZ	daily rain	31.0 mm (1.2 in)	23.0 mm (0.9 in)	34 years	48 of 100 (Notable)
4 October 1987	Grafton, US	all-time rain	120.7 mm (4.8 in)	20.6 mm (0.8 in)	11 years	47 of 100 (Notable)
4 October 1987	Liberty 1 NE, US	daily snowfall	6.4 cm (2.5 in)	6.4 cm (2.5 in)	87 years	47 of 100 (Notable)
4 October 1987	Newport, US	daily rain	57.4 mm (2.3 in)	40.4 mm (1.6 in)	6 years	47 of 100 (Notable)
4 October 1987	Albany Intl AP, US	monthly snowfall	16.5 cm (6.5 in)	11.4 cm (4.5 in)	34 years	47 of 100 (Notable)
4 October 1987	Istisu, AZ	daily rain	25.3 mm (1.0 in)	19.3 mm (0.8 in)	12 years	46 of 100 (Notable)
4 October 1987	Delhi 2 SE, US	daily snowfall	10.2 cm (4.0 in)	10.2 cm (4.0 in)	61 years	44 of 100 (Notable)
4 October 1987	Mohonk Lake, US	daily snowfall	5.1 cm (2.0 in)	5.1 cm (2.0 in)	85 years	44 of 100 (Notable)
4 October 1987	Mocambo, BR	daily rain	62.5 mm (2.5 in)	35.5 mm (1.4 in)	36 years	43 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

1795 to 1987

Records set or tied on this calendar date in each year from 1795 to 1987. 1987 had 1,502 records.

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

Records on 10-04 in each year
Year	Records
1795	1
1802	1
1841	2
1843	1
1844	2
1847	2
1853	1
1859	1
1864	8
1865	2
1867	1
1868	1
1873	1
1875	1
1876	1
1878	1
1880	1
1881	3
1882	1
1883	3
1884	4
1885	2
1886	3
1888	5
1889	2
1890	1
1891	3
1892	2
1893	2
1894	3
1895	3
1896	3
1898	4
1899	1
1900	3
1901	9
1902	5
1903	8
1904	5
1905	11
1906	29
1907	10
1908	18
1909	13
1910	21
1911	23
1912	101
1913	12
1914	18
1915	13
1916	137
1917	157
1918	127
1919	30
1920	31
1921	46
1922	44
1923	21
1924	63
1925	130
1926	255
1927	172
1928	131
1929	339
1930	244
1931	361
1932	413
1933	299
1934	121
1935	833
1936	161
1937	483
1938	440
1939	345
1940	220
1941	850
1942	198
1943	426
1944	328
1945	543
1946	314
1947	592
1948	449
1949	491
1950	565
1951	617
1952	717
1953	358
1954	999
1955	630
1956	467
1957	533
1958	704
1959	812
1960	246
1961	758
1962	313
1963	528
1964	389
1965	760
1966	464
1967	440
1968	587
1969	628
1970	539
1971	361
1972	712
1973	604
1974	1,846
1975	681
1976	869
1977	517
1978	488
1979	733
1980	975
1981	994
1982	415
1983	762
1984	864
1985	863
1986	1,265
1987	1,502
1988	713
1989	742
1990	845
1991	813
1992	866
1993	956
1994	1,341
1995	1,192
1996	1,012
1997	928
1998	1,487
1999	1,596
2000	917
2001	547
2002	1,465
2003	610
2004	562
2005	1,973
2006	987
2007	997
2008	935
2009	1,431
2010	1,230
2011	919
2012	864
2013	1,130
2014	611
2015	741
2016	680
2017	780
2018	979
2019	1,131
2020	897
2021	644
2022	561
2023	936
2024	1,197
2025	979
2026	942

Download the Data

Data for records on 1987-10-04: 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 100	1,121
100 to 200	5
200 to 300	1
300 to 400	0
400 to 500	1