Weather Records on 30 July 1987

1,084 weather records were set or tied worldwide on 30 July 1987. Highest significance: Gisborne, AU.

Key Facts for 30 July 1987

On 30 July 1987, 1,084 weather records were set or tied at long-record stations worldwide.
426 were record highs and 268 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 30 monthly and 1,052 daily.
Gisborne set a daily record precipitation of 62.6 mm (2.5 in) on 30 July 1987.
Across 168 earlier years (1794 to 2026) the same calendar date averaged 436 records.

Record Map

1,084 stations

1,084 station records on 30 July 1987 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 July 1987: highest significance records shown on the map
Station	Country	Type	Value	Significance
Gisborne	Australia	Record daily precipitation	62.6 mm (2.5 in)	79 of 100 (Major)
Sunbury (Salesian College )	Australia	Record daily precipitation	49.4 mm (1.9 in)	70 of 100 (Major)
Genoa	Italy	Record daily precipitation	179.4 mm (7.1 in)	68 of 100 (Major)
Epping	Australia	Record daily precipitation	33.2 mm (1.3 in)	63 of 100 (Major)
Wandagee	Australia	Record daily precipitation	49.8 mm (2.0 in)	62 of 100 (Major)
Flemington Racecourse	Australia	Record daily precipitation	28.0 mm (1.1 in)	62 of 100 (Major)
Preston Reservoir	Australia	Record daily precipitation	29.0 mm (1.1 in)	62 of 100 (Major)
Macedon Forestry	Australia	Record daily precipitation	38.4 mm (1.5 in)	62 of 100 (Major)
Balliang East	Australia	Record daily precipitation	48.6 mm (1.9 in)	61 of 100 (Major)
Kinglake West (Wallaby Creek)	Australia	Record daily precipitation	56.4 mm (2.2 in)	61 of 100 (Major)
Wolf Pt	United States	Record daily precipitation	41.9 mm (1.6 in)	61 of 100 (Major)
Yan Yean	Australia	Record daily precipitation	26.4 mm (1.0 in)	60 of 100 (Major)
Maribyrnong Explosives Factory	Australia	Record daily precipitation	35.6 mm (1.4 in)	60 of 100 (Major)
Lilydale	Australia	Record daily precipitation	36.8 mm (1.4 in)	56 of 100 (Notable)
Prahran (Como House)	Australia	Record daily precipitation	30.0 mm (1.2 in)	56 of 100 (Notable)
Midland	United States	Record high minimum temperature	26.7 C (80.1 F)	56 of 100 (Notable)
Hutchinson 1 N	United States	Record daily precipitation	45.2 mm (1.8 in)	55 of 100 (Notable)
Bullengarook East (Seskinore)	Australia	Record daily precipitation	43.0 mm (1.7 in)	52 of 100 (Notable)
Maroonah	Australia	Record daily precipitation	28.0 mm (1.1 in)	50 of 100 (Notable)
Melton	Australia	Record daily precipitation	38.4 mm (1.5 in)	49 of 100 (Notable)
St. Leonards (Lowfields)	Australia	Record daily precipitation	35.8 mm (1.4 in)	49 of 100 (Notable)
Medicine Lake 3 SE	United States	Record daily precipitation	43.2 mm (1.7 in)	49 of 100 (Notable)
Poplar 2 E	United States	Record daily precipitation	41.9 mm (1.6 in)	49 of 100 (Notable)
Lautertal-Oberlauter	Germany	Record daily precipitation	28.5 mm (1.1 in)	48 of 100 (Notable)
Winter Park	United States	Record daily precipitation	30.5 mm (1.2 in)	48 of 100 (Notable)
Garsebach Bei Meissen	Germany	Record daily precipitation	38.4 mm (1.5 in)	47 of 100 (Notable)
Irapuato	Mexico	Record low minimum temperature	10.6 C (51.1 F)	47 of 100 (Notable)
Emu Creek Station	Australia	Record daily precipitation	28.2 mm (1.1 in)	46 of 100 (Notable)
Warrumbungle (Cheddington)	Australia	Record daily precipitation	29.6 mm (1.2 in)	46 of 100 (Notable)
Sydenham	Australia	Record daily precipitation	47.2 mm (1.9 in)	46 of 100 (Notable)
Pyramid	United States	Record daily precipitation	31.0 mm (1.2 in)	46 of 100 (Notable)
Mickleham	Australia	Record daily precipitation	60.4 mm (2.4 in)	45 of 100 (Notable)
Melton Reservoir	Australia	Record daily precipitation	30.0 mm (1.2 in)	45 of 100 (Notable)
Burgwald-Bottendorf	Germany	Record daily precipitation	37.2 mm (1.5 in)	45 of 100 (Notable)
Ningaloo	Australia	Record daily precipitation	33.6 mm (1.3 in)	44 of 100 (Notable)
Mia Mia	Australia	Record daily precipitation	34.0 mm (1.3 in)	44 of 100 (Notable)
Atyrau	Kazakhstan	Record high minimum temperature	28.4 C (83.1 F)	44 of 100 (Notable)
Vida 6 NE	United States	Record daily precipitation	37.3 mm (1.5 in)	44 of 100 (Notable)
Mayville	United States	Record high minimum temperature	26.7 C (80.1 F)	44 of 100 (Notable)
Lancaster 4 WSW	United States	Record daily precipitation	80.5 mm (3.2 in)	44 of 100 (Notable)
Kellevie	Australia	Record daily precipitation	48.0 mm (1.9 in)	43 of 100 (Notable)
Lordsburg 4 SE	United States	Record daily precipitation	27.9 mm (1.1 in)	43 of 100 (Notable)
Rantoul	United States	Record daily precipitation	128.3 mm (5.1 in)	42 of 100 (Notable)
Halmstad	Sweden	Record low maximum temperature	14.2 C (57.6 F)	41 of 100 (Notable)
Warroora	Australia	Record daily precipitation	61.0 mm (2.4 in)	40 of 100 (Notable)
Mount Clere	Australia	Record daily precipitation	26.0 mm (1.0 in)	40 of 100 (Notable)
Hyden North	Australia	Record daily precipitation	39.1 mm (1.5 in)	40 of 100 (Notable)
Crookwell Post Office	Australia	Record daily precipitation	30.2 mm (1.2 in)	40 of 100 (Notable)
Keilor (Arundel)	Australia	Record daily precipitation	48.0 mm (1.9 in)	40 of 100 (Notable)
Tecoman (Dge)	Mexico	Record low maximum temperature	26.7 C (80.1 F)	40 of 100 (Notable)
Gorjacij Kljuc	Russia	Record daily precipitation	46.8 mm (1.8 in)	40 of 100 (Notable)
Seymour 1 WSW	United States	Record daily precipitation	50.0 mm (2.0 in)	40 of 100 (Notable)
Redstone	United States	Record daily precipitation	33.0 mm (1.3 in)	40 of 100 (Notable)
Ellendale	United States	Record high minimum temperature	22.2 C (72.0 F)	40 of 100 (Notable)
McKinley Park	United States	Record daily precipitation	36.1 mm (1.4 in)	40 of 100 (Notable)
Cootamundra Post Office	Australia	Record daily precipitation	25.6 mm (1.0 in)	39 of 100 (Notable)
Kilmore Assumption College	Australia	Record daily precipitation	53.2 mm (2.1 in)	39 of 100 (Notable)
Mengzi	China	Record daily precipitation	60.6 mm (2.4 in)	39 of 100 (Notable)
Bellevue L/D 12	United States	Record daily precipitation	58.9 mm (2.3 in)	38 of 100 (Notable)
Barcelona -Fabra Observatory	Spain	Record daily precipitation	48.4 mm (1.9 in)	37 of 100 (Notable)

Counts by Type and Timescale

1,084 records

Records set or tied on 30 July 1987 by type: Highest daily maximum 161, Lowest daily maximum 148, Highest daily minimum 265, Lowest daily minimum 120, Heaviest daily rainfall 390.

Records on 30 July 1987 by type
Record type	Records
Highest daily maximum	161
Lowest daily maximum	148
Highest daily minimum	265
Lowest daily minimum	120
Heaviest daily rainfall	390
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 30 July 1987 by timescale: all-time 2, monthly 30, daily 1,052.

How Much Records Were Beaten By

827 broken records

Margins by which the 827 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 73.1. Ties are not counted.

Top 20 by Significance

30 July 1987

Top 20 records on 30 July 1987 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 July 1987	Gisborne, AU	daily rain	62.6 mm (2.5 in)	52.2 mm (2.1 in)	96 years	79 of 100 (Major)
30 July 1987	Sunbury (Salesian College ), AU	daily rain	49.4 mm (1.9 in)	31.6 mm (1.2 in)	66 years	70 of 100 (Major)
30 July 1987	Genoa, IT	monthly rain	179.4 mm (7.1 in)	58.4 mm (2.3 in)	27 years	68 of 100 (Major)
30 July 1987	Epping, AU	daily rain	33.2 mm (1.3 in)	22.5 mm (0.9 in)	50 years	63 of 100 (Major)
30 July 1987	Wandagee, AU	daily rain	49.8 mm (2.0 in)	44.5 mm (1.8 in)	44 years	62 of 100 (Major)
30 July 1987	Flemington Racecourse, AU	daily rain	28.0 mm (1.1 in)	16.8 mm (0.7 in)	48 years	62 of 100 (Major)
30 July 1987	Preston Reservoir, AU	daily rain	29.0 mm (1.1 in)	20.9 mm (0.8 in)	52 years	62 of 100 (Major)
30 July 1987	Macedon Forestry, AU	daily rain	38.4 mm (1.5 in)	15.5 mm (0.6 in)	99 years	62 of 100 (Major)
30 July 1987	Balliang East, AU	daily rain	48.6 mm (1.9 in)	35.9 mm (1.4 in)	48 years	61 of 100 (Major)
30 July 1987	Kinglake West (Wallaby Creek), AU	daily rain	56.4 mm (2.2 in)	20.1 mm (0.8 in)	99 years	61 of 100 (Major)
30 July 1987	Wolf Pt, US	daily rain	41.9 mm (1.6 in)	30.2 mm (1.2 in)	70 years	61 of 100 (Major)
30 July 1987	Yan Yean, AU	daily rain	26.4 mm (1.0 in)	12.2 mm (0.5 in)	81 years	60 of 100 (Major)
30 July 1987	Maribyrnong Explosives Factory, AU	daily rain	35.6 mm (1.4 in)	25.7 mm (1.0 in)	48 years	60 of 100 (Major)
30 July 1987	Lilydale, AU	daily rain	36.8 mm (1.4 in)	21.3 mm (0.8 in)	48 years	56 of 100 (Notable)
30 July 1987	Prahran (Como House), AU	daily rain	30.0 mm (1.2 in)	12.5 mm (0.5 in)	81 years	56 of 100 (Notable)
30 July 1987	Midland, US	all-time high min	26.7 C (80.1 F)	0.6 C (1.1 F)	88 years	56 of 100 (Notable)
30 July 1987	Hutchinson 1 N, US	daily rain	45.2 mm (1.8 in)	26.1 mm (1.0 in)	92 years	55 of 100 (Notable)
30 July 1987	Bullengarook East (Seskinore), AU	daily rain	43.0 mm (1.7 in)	31.1 mm (1.2 in)	30 years	52 of 100 (Notable)
30 July 1987	Maroonah, AU	daily rain	28.0 mm (1.1 in)	19.1 mm (0.8 in)	80 years	50 of 100 (Notable)
30 July 1987	Melton, AU	daily rain	38.4 mm (1.5 in)	8.9 mm (0.35 in)	81 years	49 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

1794 to 1987

Records set or tied on this calendar date in each year from 1794 to 1987. 1987 had 1,084 records.

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

Records on 07-30 in each year
Year	Records
1794	2
1797	1
1827	1
1828	2
1829	1
1830	1
1834	1
1837	2
1838	1
1840	1
1841	1
1843	1
1854	1
1857	1
1858	2
1860	4
1863	1
1867	1
1868	1
1869	2
1870	1
1874	2
1875	1
1876	1
1877	2
1879	1
1880	2
1885	3
1886	5
1887	6
1888	5
1889	1
1890	2
1891	1
1892	1
1893	10
1894	6
1895	2
1896	2
1897	4
1898	8
1899	2
1900	4
1901	11
1902	6
1903	25
1904	17
1905	29
1906	22
1907	11
1908	23
1909	30
1910	8
1911	54
1912	21
1913	34
1914	52
1915	26
1916	150
1917	93
1918	42
1919	19
1920	188
1921	193
1922	40
1923	428
1924	80
1925	275
1926	186
1927	109
1928	210
1929	221
1930	170
1931	432
1932	275
1933	451
1934	619
1935	340
1936	452
1937	245
1938	388
1939	395
1940	562
1941	371
1942	304
1943	397
1944	289
1945	299
1946	409
1947	394
1948	489
1949	512
1950	552
1951	322
1952	581
1953	345
1954	504
1955	787
1956	506
1957	289
1958	344
1959	391
1960	793
1961	511
1962	378
1963	308
1964	483
1965	978
1966	527
1967	282
1968	530
1969	506
1970	431
1971	2,319
1972	758
1973	434
1974	569
1975	1,048
1976	590
1977	641
1978	646
1979	761
1980	962
1981	851
1982	821
1983	904
1984	997
1985	1,029
1986	952
1987	1,084
1988	826
1989	1,227
1990	795
1991	734
1992	1,003
1993	965
1994	1,631
1995	1,207
1996	1,317
1997	933
1998	1,240
1999	1,456
2000	1,030
2001	1,400
2002	1,346
2003	1,163
2004	936
2005	788
2006	1,103
2007	1,160
2008	763
2009	1,328
2010	1,331
2011	1,003
2012	731
2013	737
2014	1,199
2015	682
2016	460
2017	464
2018	1,038
2019	486
2020	763
2021	839
2022	845
2023	683
2024	705
2025	869
2026	1,001

Download the Data

Data for records on 1987-07-30: 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	713
10 to 20	68
20 to 30	29
30 to 40	9
40 to 50	4
50 to 60	3
60 to 70	0
70 to 80	1