Weather Records on 4 May 1987

1,004 weather records were set or tied worldwide on 4 May 1987. Highest significance: Wee Waa (George St), AU.

Key Facts for 4 May 1987

On 4 May 1987, 1,004 weather records were set or tied at long-record stations worldwide.
171 were record highs and 421 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 85 monthly and 918 daily.
Wee Waa (George St) set a daily record precipitation of 82.0 mm (3.2 in) on 4 May 1987.
Across 163 earlier years (1795 to 2026) the same calendar date averaged 427 records.

Record Map

1,004 stations

1,004 station records on 4 May 1987 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 4 May 1987: highest significance records shown on the map
Station	Country	Type	Value	Significance
Wee Waa (George St)	Australia	Record daily precipitation	82.0 mm (3.2 in)	79 of 100 (Major)
Anahuac	United States	Record daily precipitation	144.8 mm (5.7 in)	67 of 100 (Major)
Goodwell Rsch STN	United States	Record daily precipitation	62.5 mm (2.5 in)	61 of 100 (Major)
Monto Township	Australia	Record daily precipitation	66.8 mm (2.6 in)	60 of 100 (Major)
The Hirsel	Australia	Record daily precipitation	69.4 mm (2.7 in)	60 of 100 (Major)
Springsure Comet St	Australia	Record daily precipitation	63.6 mm (2.5 in)	59 of 100 (Notable)
Premer Post Office	Australia	Record daily precipitation	36.4 mm (1.4 in)	58 of 100 (Notable)
Graz	Austria	Record daily precipitation	35.2 mm (1.4 in)	55 of 100 (Notable)
Naalehu 14	United States	Record low minimum temperature	10.6 C (51.1 F)	55 of 100 (Notable)
Dalton	United States	Record daily precipitation	54.4 mm (2.1 in)	53 of 100 (Notable)
Overbrook 5 SE	United States	Record daily precipitation	85.6 mm (3.4 in)	52 of 100 (Notable)
Rolla Missouri S&T	United States	Record daily precipitation	68.3 mm (2.7 in)	51 of 100 (Notable)
Whyenbah	Australia	Record daily precipitation	36.9 mm (1.5 in)	49 of 100 (Notable)
Regnier	United States	Record daily precipitation	52.1 mm (2.1 in)	49 of 100 (Notable)
Matua	Russia	Record daily precipitation	50.6 mm (2.0 in)	48 of 100 (Notable)
Anna	United States	Record daily precipitation	120.7 mm (4.8 in)	48 of 100 (Notable)
Rewan Station	Australia	Record daily precipitation	36.9 mm (1.5 in)	47 of 100 (Notable)
Cape Vasileva	Russia	Record daily precipitation	44.5 mm (1.8 in)	46 of 100 (Notable)
"Kageon" Dawes	Australia	Record daily precipitation	35.0 mm (1.4 in)	45 of 100 (Notable)
Doondi	Australia	Record daily precipitation	30.0 mm (1.2 in)	45 of 100 (Notable)
Lightning Ridge Post Office	Australia	Record daily precipitation	53.6 mm (2.1 in)	44 of 100 (Notable)
Trier	Germany	Record low maximum temperature	7.1 C (44.8 F)	42 of 100 (Notable)
Trier-Zewen	Germany	Record low maximum temperature	7.1 C (44.8 F)	42 of 100 (Notable)
Basel Binningen	Switzerland	Record low maximum temperature	5.3 C (41.5 F)	42 of 100 (Notable)
Innsbruck	Austria	Record low maximum temperature	5.6 C (42.1 F)	41 of 100 (Notable)
Jimenez (Smn)	Mexico	Record daily precipitation	39.9 mm (1.6 in)	40 of 100 (Notable)
Byers 5 ENE	United States	Record daily precipitation	35.8 mm (1.4 in)	40 of 100 (Notable)
Dresden	United States	Record daily precipitation	45.5 mm (1.8 in)	40 of 100 (Notable)
Salisbury	United States	Record daily precipitation	34.3 mm (1.4 in)	40 of 100 (Notable)
Benkelman 1N	United States	Record daily precipitation	48.8 mm (1.9 in)	40 of 100 (Notable)
Middletown 2 NW	United States	Record low maximum temperature	10.0 C (50.0 F)	40 of 100 (Notable)
Gonyelinka	Australia	Record daily precipitation	33.0 mm (1.3 in)	39 of 100 (Notable)
Nashville 1 E	United States	Record daily precipitation	33.5 mm (1.3 in)	39 of 100 (Notable)
Boyd	United States	Record daily precipitation	72.4 mm (2.9 in)	39 of 100 (Notable)
Regensburg	Germany	Record low maximum temperature	6.3 C (43.3 F)	38 of 100 (Notable)
Effingham 3SW	United States	Record daily precipitation	26.4 mm (1.0 in)	38 of 100 (Notable)
Garnett 1 E	United States	Record daily precipitation	53.3 mm (2.1 in)	38 of 100 (Notable)
Beloit	United States	Record daily precipitation	46.7 mm (1.8 in)	37 of 100 (Notable)
Owings Ferry Landing	United States	Record daily precipitation	56.6 mm (2.2 in)	37 of 100 (Notable)
Bridgeport	United States	Record daily precipitation	27.9 mm (1.1 in)	37 of 100 (Notable)
Gruver	United States	Record daily precipitation	38.6 mm (1.5 in)	37 of 100 (Notable)
Cuautla (Smn)	Mexico	Record low minimum temperature	10.0 C (50.0 F)	36 of 100 (Notable)
Ljubljana Bezigrad	Slovenia	Record daily precipitation	41.8 mm (1.6 in)	36 of 100 (Notable)
Bodie California St Historic P	United States	Record high maximum temperature	21.1 C (70.0 F)	36 of 100 (Notable)
Akron 4 E	United States	Record daily precipitation	33.0 mm (1.3 in)	36 of 100 (Notable)
Richfield 10 WSW	United States	Record daily precipitation	45.2 mm (1.8 in)	36 of 100 (Notable)
Sharon Springs	United States	Record daily precipitation	54.9 mm (2.2 in)	36 of 100 (Notable)
Hagerstown	United States	Record low maximum temperature	12.2 C (54.0 F)	36 of 100 (Notable)
Haigler	United States	Record daily precipitation	40.6 mm (1.6 in)	36 of 100 (Notable)
Wyseby	Australia	Record daily precipitation	57.0 mm (2.2 in)	35 of 100 (Notable)
Saint Helena	United States	Record high minimum temperature	15.6 C (60.1 F)	35 of 100 (Notable)
Cambridge Water Trmt P	United States	Record daily precipitation	40.1 mm (1.6 in)	35 of 100 (Notable)
Wellsburg Wtr Trmt Pl	United States	Record high minimum temperature	16.7 C (62.1 F)	35 of 100 (Notable)
Phuket	Thailand	Record daily precipitation	80.0 mm (3.1 in)	34 of 100 (Routine)
Kern River Ph 1	United States	Record high maximum temperature	36.7 C (98.1 F)	34 of 100 (Routine)
Richfield	United States	Record daily precipitation	40.1 mm (1.6 in)	34 of 100 (Routine)
Conlen	United States	Record daily precipitation	36.8 mm (1.4 in)	34 of 100 (Routine)
Moonan Flat (High St)	Australia	Record daily precipitation	30.0 mm (1.2 in)	33 of 100 (Routine)
Stratton	United States	Record daily precipitation	37.1 mm (1.5 in)	33 of 100 (Routine)
Yuma	United States	Record low maximum temperature	9.4 C (48.9 F)	33 of 100 (Routine)

Counts by Type and Timescale

1,004 records

Records set or tied on 4 May 1987 by type: Highest daily maximum 86, Lowest daily maximum 268, Highest daily minimum 85, Lowest daily minimum 153, Heaviest daily rainfall 391, Heaviest daily snowfall 1, Deepest snow cover 20.

Records on 4 May 1987 by type
Record type	Records
Highest daily maximum	86
Lowest daily maximum	268
Highest daily minimum	85
Lowest daily minimum	153
Heaviest daily rainfall	391
Heaviest daily snowfall	1
Deepest snow cover	20

Records on 4 May 1987 by timescale: all-time 1, monthly 85, daily 918.

How Much Records Were Beaten By

859 broken records

Margins by which the 859 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 152.0. Ties are not counted.

Top 20 by Significance

4 May 1987

Top 20 records on 4 May 1987 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
4 May 1987	Wee Waa (George St), AU	daily rain	82.0 mm (3.2 in)	70.1 mm (2.8 in)	98 years	79 of 100 (Major)
4 May 1987	Anahuac, US	daily rain	144.8 mm (5.7 in)	103.7 mm (4.1 in)	68 years	67 of 100 (Major)
4 May 1987	Goodwell Rsch STN, US	daily rain	62.5 mm (2.5 in)	39.6 mm (1.6 in)	73 years	61 of 100 (Major)
4 May 1987	Monto Township, AU	daily rain	66.8 mm (2.6 in)	54.6 mm (2.1 in)	50 years	60 of 100 (Major)
4 May 1987	The Hirsel, AU	daily rain	69.4 mm (2.7 in)	66.9 mm (2.6 in)	50 years	60 of 100 (Major)
4 May 1987	Springsure Comet St, AU	daily rain	63.6 mm (2.5 in)	56.5 mm (2.2 in)	32 years	59 of 100 (Notable)
4 May 1987	Premer Post Office, AU	daily rain	36.4 mm (1.4 in)	21.2 mm (0.8 in)	98 years	58 of 100 (Notable)
4 May 1987	Graz, AT	daily rain	35.2 mm (1.4 in)	17.8 mm (0.7 in)	84 years	55 of 100 (Notable)
4 May 1987	Naalehu 14, US	monthly low min	10.6 C (51.1 F)	2.7 C (4.9 F)	64 years	55 of 100 (Notable)
4 May 1987	Dalton, US	daily rain	54.4 mm (2.1 in)	33.1 mm (1.3 in)	53 years	53 of 100 (Notable)
4 May 1987	Overbrook 5 SE, US	daily rain	85.6 mm (3.4 in)	43.7 mm (1.7 in)	48 years	52 of 100 (Notable)
4 May 1987	Rolla Missouri S&T, US	daily rain	68.3 mm (2.7 in)	44.2 mm (1.7 in)	38 years	51 of 100 (Notable)
4 May 1987	Whyenbah, AU	daily rain	36.9 mm (1.5 in)	22.7 mm (0.9 in)	88 years	49 of 100 (Notable)
4 May 1987	Regnier, US	daily rain	52.1 mm (2.1 in)	41.4 mm (1.6 in)	17 years	49 of 100 (Notable)
4 May 1987	Matua, RU	daily rain	50.6 mm (2.0 in)	34.5 mm (1.4 in)	13 years	48 of 100 (Notable)
4 May 1987	Anna, US	daily rain	120.7 mm (4.8 in)	72.9 mm (2.9 in)	18 years	48 of 100 (Notable)
4 May 1987	Rewan Station, AU	daily rain	36.9 mm (1.5 in)	36.9 mm (1.5 in)	76 years	47 of 100 (Notable)
4 May 1987	Cape Vasileva, RU	daily rain	44.5 mm (1.8 in)	30.7 mm (1.2 in)	28 years	46 of 100 (Notable)
4 May 1987	"Kageon" Dawes, AU	daily rain	35.0 mm (1.4 in)	32.7 mm (1.3 in)	50 years	45 of 100 (Notable)
4 May 1987	Doondi, AU	daily rain	30.0 mm (1.2 in)	30.0 mm (1.2 in)	89 years	45 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 1,004 records.

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

Records on 05-04 in each year
Year	Records
1795	1
1796	1
1820	1
1836	2
1840	1
1847	1
1850	2
1851	2
1852	1
1856	3
1858	1
1859	1
1861	2
1862	1
1864	3
1865	2
1868	3
1869	1
1870	2
1875	1
1877	2
1878	1
1879	1
1880	1
1882	1
1885	1
1886	1
1888	1
1889	4
1890	1
1892	4
1893	3
1894	6
1895	3
1896	3
1897	2
1898	2
1899	2
1900	2
1902	5
1903	8
1904	8
1905	19
1906	5
1907	37
1908	18
1909	13
1910	14
1911	37
1912	12
1913	63
1914	21
1915	75
1916	57
1917	60
1918	30
1919	69
1920	43
1921	62
1922	283
1923	82
1924	88
1925	80
1926	230
1927	112
1928	205
1929	177
1930	269
1931	169
1932	104
1933	274
1934	456
1935	518
1936	313
1937	230
1938	445
1939	295
1940	602
1941	436
1942	820
1943	358
1944	872
1945	654
1946	463
1947	649
1948	578
1949	1,130
1950	953
1951	292
1952	698
1953	389
1954	1,045
1955	471
1956	433
1957	433
1958	414
1959	613
1960	443
1961	466
1962	265
1963	313
1964	570
1965	433
1966	1,113
1967	928
1968	304
1969	377
1970	454
1971	810
1972	364
1973	313
1974	367
1975	683
1976	554
1977	736
1978	1,016
1979	1,529
1980	511
1981	667
1982	591
1983	539
1984	885
1985	821
1986	1,128
1987	1,004
1988	591
1989	743
1990	1,461
1991	1,088
1992	933
1993	791
1994	821
1995	974
1996	1,298
1997	962
1998	898
1999	1,167
2000	1,398
2001	1,345
2002	1,343
2003	1,158
2004	1,341
2005	1,152
2006	650
2007	699
2008	624
2009	727
2010	999
2011	1,023
2012	1,343
2013	1,447
2014	602
2015	622
2016	463
2017	669
2018	972
2019	574
2020	504
2021	616
2022	470
2023	681
2024	885
2025	456
2026	554

Download the Data

Data for records on 1987-05-04: 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 20	801
20 to 40	40
40 to 60	12
60 to 80	3
80 to 100	1
100 to 120	1
120 to 140	0
140 to 160	1