Weather Records on 30 August 1987

638 weather records were set or tied worldwide on 30 August 1987. Highest significance: Green Mountains, AU.

Key Facts for 30 August 1987

On 30 August 1987, 638 weather records were set or tied at long-record stations worldwide.
318 were record highs and 178 were record lows, counting maximum and minimum temperature.
By timescale, 3 were all-time records, 24 monthly and 611 daily.
Green Mountains set a daily record precipitation of 72.0 mm (2.8 in) on 30 August 1987.
Across 169 earlier years (1806 to 2026) the same calendar date averaged 422 records.

Record Map

638 stations

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

Weather records on 30 August 1987: highest significance records shown on the map
Station	Country	Type	Value	Significance
Green Mountains	Australia	Record daily precipitation	72.0 mm (2.8 in)	61 of 100 (Major)
Nevada City	United States	Record high minimum temperature	18.3 C (64.9 F)	48 of 100 (Notable)
Camilla 3SE	United States	Record high minimum temperature	25.6 C (78.1 F)	47 of 100 (Notable)
Reboly	Russia	Record daily precipitation	37.1 mm (1.5 in)	44 of 100 (Notable)
Poncitlan	Mexico	Record daily precipitation	65.3 mm (2.6 in)	41 of 100 (Notable)
Saint Leo	United States	Record high maximum temperature	36.7 C (98.1 F)	41 of 100 (Notable)
Lowell	United States	Record low maximum temperature	14.4 C (57.9 F)	41 of 100 (Notable)
Klamath Falls 2 SSW	United States	Record high minimum temperature	18.3 C (64.9 F)	41 of 100 (Notable)
Farmington	United States	Record low maximum temperature	13.3 C (55.9 F)	40 of 100 (Notable)
Hillsboro	United States	Record low minimum temperature	8.9 C (48.0 F)	40 of 100 (Notable)
Fayetteville (Pwc)	United States	Record daily precipitation	47.5 mm (1.9 in)	40 of 100 (Notable)
Mullumbimby (Fairview Farm)	Australia	Record daily precipitation	40.0 mm (1.6 in)	39 of 100 (Notable)
Marysville	United States	Record high minimum temperature	23.3 C (73.9 F)	39 of 100 (Notable)
Murwillumbah (Taleswood)	Australia	Record daily precipitation	70.0 mm (2.8 in)	37 of 100 (Notable)
Pinopolis Dam	United States	Record daily precipitation	74.7 mm (2.9 in)	37 of 100 (Notable)
Juneau AP	United States	Record daily precipitation	46.2 mm (1.8 in)	37 of 100 (Notable)
Numinbah	Australia	Record daily precipitation	123.0 mm (4.8 in)	36 of 100 (Notable)
Eldon	United States	Record low minimum temperature	6.7 C (44.1 F)	36 of 100 (Notable)
Sealy	United States	Record daily precipitation	76.7 mm (3.0 in)	36 of 100 (Notable)
The Channon	Australia	Record daily precipitation	30.0 mm (1.2 in)	35 of 100 (Notable)
Dorrigo (Myrtle St)	Australia	Record daily precipitation	61.6 mm (2.4 in)	35 of 100 (Notable)
Vyartsilya	Russia	Record daily precipitation	29.3 mm (1.2 in)	35 of 100 (Notable)
Santander Centro	Spain	Record high maximum temperature	29.2 C (84.6 F)	35 of 100 (Notable)
Lawrence	United States	Record low maximum temperature	15.6 C (60.1 F)	35 of 100 (Notable)
Brays Creek (Misty Mountain)	Australia	Record daily precipitation	70.0 mm (2.8 in)	34 of 100 (Routine)
Woodburn Post Office	Australia	Record daily precipitation	50.0 mm (2.0 in)	34 of 100 (Routine)
Madison	United States	Record low maximum temperature	13.3 C (55.9 F)	34 of 100 (Routine)
Brevard	United States	Record high minimum temperature	24.4 C (75.9 F)	34 of 100 (Routine)
Aiken 5SE	United States	Record high maximum temperature	39.4 C (102.9 F)	34 of 100 (Routine)
Chillingham (Limpinwood)	Australia	Record daily precipitation	85.0 mm (3.3 in)	33 of 100 (Routine)
Forks 1 E	United States	Record high maximum temperature	33.9 C (93.0 F)	33 of 100 (Routine)
Widgee	Australia	Record daily precipitation	40.0 mm (1.6 in)	32 of 100 (Routine)
Hostotipaquillo	Mexico	Record daily precipitation	67.3 mm (2.6 in)	32 of 100 (Routine)
Altotonga	Mexico	Record high maximum temperature	25.6 C (78.1 F)	32 of 100 (Routine)
Makkaur Fyr	Norway	Record daily precipitation	25.1 mm (1.0 in)	32 of 100 (Routine)
De Sabla	United States	Record high maximum temperature	38.3 C (100.9 F)	32 of 100 (Routine)
Gloversville	United States	Record low maximum temperature	16.7 C (62.1 F)	32 of 100 (Routine)
Grants Pass	United States	Record high maximum temperature	40.6 C (105.1 F)	32 of 100 (Routine)
Headworks Portland Wtr B	United States	Record high maximum temperature	38.3 C (100.9 F)	32 of 100 (Routine)
El Cuarto	Mexico	Record daily precipitation	59.9 mm (2.4 in)	31 of 100 (Routine)
Acambaro	Mexico	Record daily precipitation	34.3 mm (1.4 in)	31 of 100 (Routine)
Los Aldamas	Mexico	Record daily precipitation	89.9 mm (3.5 in)	31 of 100 (Routine)
Kirensk	Russia	Record high minimum temperature	14.1 C (57.4 F)	31 of 100 (Routine)
Carrizozo 1SW	United States	Record low minimum temperature	8.3 C (46.9 F)	31 of 100 (Routine)
Burnet	United States	Record low maximum temperature	25.6 C (78.1 F)	31 of 100 (Routine)
Strawn 8 NNE	United States	Record daily precipitation	58.9 mm (2.3 in)	31 of 100 (Routine)
Kanalohuluhulu 1075	United States	Record low minimum temperature	5.0 C (41.0 F)	31 of 100 (Routine)
Wunburra	Australia	Record daily precipitation	79.0 mm (3.1 in)	30 of 100 (Routine)
Uruapan (Smn)	Mexico	Record high minimum temperature	16.7 C (62.1 F)	30 of 100 (Routine)
Petrozawodsk	Russia	Record daily precipitation	34.3 mm (1.4 in)	30 of 100 (Routine)
N Fk Rs	United States	Record high maximum temperature	38.9 C (102.0 F)	30 of 100 (Routine)
Millinocket	United States	Record low maximum temperature	15.0 C (59.0 F)	30 of 100 (Routine)
Brady	United States	Record low maximum temperature	22.2 C (72.0 F)	30 of 100 (Routine)
Junction 4SSW	United States	Record low maximum temperature	21.7 C (71.1 F)	30 of 100 (Routine)
San Saba	United States	Record low maximum temperature	24.4 C (75.9 F)	30 of 100 (Routine)
Conowingo Dam	United States	Record low minimum temperature	4.4 C (39.9 F)	29 of 100 (Routine)
Prospect 2 SW	United States	Record high maximum temperature	38.3 C (100.9 F)	29 of 100 (Routine)
Cedar Butte	United States	Record low minimum temperature	5.6 C (42.1 F)	29 of 100 (Routine)
Greeneville Exp STN	United States	Record low minimum temperature	4.4 C (39.9 F)	29 of 100 (Routine)
Tyalgum (Coodgee Street)	Australia	Record daily precipitation	68.8 mm (2.7 in)	28 of 100 (Routine)

Counts by Type and Timescale

638 records

Records set or tied on 30 August 1987 by type: Highest daily maximum 185, Lowest daily maximum 89, Highest daily minimum 133, Lowest daily minimum 89, Heaviest daily rainfall 141, Deepest snow cover 1.

Records on 30 August 1987 by type
Record type	Records
Highest daily maximum	185
Lowest daily maximum	89
Highest daily minimum	133
Lowest daily minimum	89
Heaviest daily rainfall	141
Heaviest daily snowfall	0
Deepest snow cover	1

Records on 30 August 1987 by timescale: all-time 3, monthly 24, daily 611.

How Much Records Were Beaten By

445 broken records

Margins by which the 445 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 54.8. Ties are not counted.

Top 20 by Significance

30 August 1987

Top 20 records on 30 August 1987 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 August 1987	Green Mountains, AU	daily rain	72.0 mm (2.8 in)	52.7 mm (2.1 in)	62 years	61 of 100 (Major)
30 August 1987	Nevada City, US	daily high min	18.3 C (64.9 F)	3.9 C (7.0 F)	90 years	48 of 100 (Notable)
30 August 1987	Camilla 3SE, US	daily high min	25.6 C (78.1 F)	1.7 C (3.1 F)	93 years	47 of 100 (Notable)
30 August 1987	Reboly, RU	daily rain	37.1 mm (1.5 in)	20.6 mm (0.8 in)	16 years	44 of 100 (Notable)
30 August 1987	Poncitlan, MX	daily rain	65.3 mm (2.6 in)	33.8 mm (1.3 in)	17 years	41 of 100 (Notable)
30 August 1987	Saint Leo, US	daily high max	36.7 C (98.1 F)	1.1 C (2.0 F)	91 years	41 of 100 (Notable)
30 August 1987	Lowell, US	daily low max	14.4 C (57.9 F)	0.6 C (1.1 F)	101 years	41 of 100 (Notable)
30 August 1987	Klamath Falls 2 SSW, US	daily high min	18.3 C (64.9 F)	1.1 C (2.0 F)	98 years	41 of 100 (Notable)
30 August 1987	Farmington, US	daily low max	13.3 C (55.9 F)	1.7 C (3.1 F)	92 years	40 of 100 (Notable)
30 August 1987	Hillsboro, US	daily low min	8.9 C (48.0 F)	1.1 C (2.0 F)	87 years	40 of 100 (Notable)
30 August 1987	Fayetteville (Pwc), US	daily rain	47.5 mm (1.9 in)	13.0 mm (0.5 in)	77 years	40 of 100 (Notable)
30 August 1987	Mullumbimby (Fairview Farm), AU	daily rain	40.0 mm (1.6 in)	11.0 mm (0.4 in)	80 years	39 of 100 (Notable)
30 August 1987	Marysville, US	daily high min	23.3 C (73.9 F)	2.2 C (4.0 F)	73 years	39 of 100 (Notable)
30 August 1987	Murwillumbah (Taleswood), AU	daily rain	70.0 mm (2.8 in)	54.8 mm (2.2 in)	21 years	37 of 100 (Notable)
30 August 1987	Pinopolis Dam, US	daily rain	74.7 mm (2.9 in)	36.1 mm (1.4 in)	44 years	37 of 100 (Notable)
30 August 1987	Juneau AP, US	daily rain	46.2 mm (1.8 in)	21.8 mm (0.9 in)	21 years	37 of 100 (Notable)
30 August 1987	Numinbah, AU	monthly rain	123.0 mm (4.8 in)	21.9 mm (0.9 in)	29 years	36 of 100 (Notable)
30 August 1987	Eldon, US	daily low min	6.7 C (44.1 F)	2.2 C (4.0 F)	72 years	36 of 100 (Notable)
30 August 1987	Sealy, US	daily rain	76.7 mm (3.0 in)	37.1 mm (1.5 in)	40 years	36 of 100 (Notable)
30 August 1987	The Channon, AU	daily rain	30.0 mm (1.2 in)	26.0 mm (1.0 in)	8 years	35 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

1806 to 1987

Records set or tied on this calendar date in each year from 1806 to 1987. 1987 had 638 records.

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

Records on 08-30 in each year
Year	Records
1806	1
1807	4
1813	1
1814	2
1827	1
1829	1
1835	1
1838	1
1839	1
1845	4
1850	1
1851	2
1855	1
1857	1
1859	1
1864	2
1867	1
1869	1
1870	2
1874	1
1875	2
1876	1
1877	2
1878	1
1880	4
1881	2
1882	1
1884	1
1885	5
1886	7
1887	1
1888	1
1889	2
1890	5
1891	1
1892	3
1893	3
1894	2
1895	1
1896	1
1897	3
1898	3
1899	2
1900	6
1901	8
1902	12
1903	19
1904	13
1905	23
1906	29
1907	8
1908	10
1909	37
1910	15
1911	41
1912	60
1913	22
1914	23
1915	47
1916	17
1917	50
1918	45
1919	17
1920	78
1921	100
1922	65
1923	61
1924	283
1925	167
1926	173
1927	109
1928	327
1929	208
1930	245
1931	192
1932	1,102
1933	274
1934	519
1935	476
1936	191
1937	418
1938	233
1939	401
1940	346
1941	422
1942	385
1943	487
1944	491
1945	455
1946	545
1947	599
1948	519
1949	240
1950	481
1951	1,091
1952	316
1953	1,124
1954	516
1955	417
1956	479
1957	321
1958	363
1959	546
1960	356
1961	573
1962	387
1963	442
1964	422
1965	1,118
1966	500
1967	536
1968	729
1969	522
1970	423
1971	443
1972	579
1973	646
1974	838
1975	664
1976	679
1977	665
1978	825
1979	517
1980	572
1981	684
1982	770
1983	696
1984	1,127
1985	629
1986	1,768
1987	638
1988	881
1989	791
1990	983
1991	938
1992	1,697
1993	1,200
1994	601
1995	940
1996	1,385
1997	960
1998	1,278
1999	864
2000	1,189
2001	750
2002	801
2003	1,226
2004	1,087
2005	1,500
2006	989
2007	1,300
2008	678
2009	1,251
2010	1,552
2011	994
2012	1,087
2013	644
2014	558
2015	1,074
2016	552
2017	924
2018	616
2019	755
2020	671
2021	429
2022	1,077
2023	651
2024	912
2025	324
2026	733

Download the Data

Data for records on 1987-08-30: 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 10	384
10 to 20	34
20 to 30	15
30 to 40	8
40 to 50	2
50 to 60	2