Weather Records on 30 April 1986

660 weather records were set or tied worldwide on 30 April 1986. Highest significance: Gerringong (Mayflower Village), AU.

Key Facts for 30 April 1986

On 30 April 1986, 660 weather records were set or tied at long-record stations worldwide.
322 were record highs and 133 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 32 monthly and 628 daily.
Gerringong (Mayflower Village) set a daily record precipitation of 159.6 mm (6.3 in) on 30 April 1986.
Across 165 earlier years (1795 to 2026) the same calendar date averaged 445 records.

Record Map

660 stations

660 station records on 30 April 1986 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 April 1986: highest significance records shown on the map
Station	Country	Type	Value	Significance
Gerringong (Mayflower Village)	Australia	Record daily precipitation	159.6 mm (6.3 in)	71 of 100 (Major)
Keanae 346	United States	Record daily precipitation	538.5 mm (21.2 in)	70 of 100 (Major)
Forster - Tuncurry R.V.C.P.	Australia	Record daily precipitation	89.0 mm (3.5 in)	65 of 100 (Major)
Streator 2SE	United States	Record daily precipitation	65.8 mm (2.6 in)	62 of 100 (Major)
Westland	Australia	Record daily precipitation	27.0 mm (1.1 in)	58 of 100 (Notable)
Bungonia (Inverary Park)	Australia	Record daily precipitation	27.2 mm (1.1 in)	57 of 100 (Notable)
Kiama Bowling Club	Australia	Record daily precipitation	85.0 mm (3.3 in)	55 of 100 (Notable)
Berne Wwtp	United States	Record daily precipitation	43.7 mm (1.7 in)	55 of 100 (Notable)
Ankeny	United States	Record daily precipitation	114.3 mm (4.5 in)	53 of 100 (Notable)
Jayuya	Puerto Rico [United States]	Record daily precipitation	75.4 mm (3.0 in)	52 of 100 (Notable)
Knoxville	United States	Record daily precipitation	62.5 mm (2.5 in)	52 of 100 (Notable)
Cayey 1 E	Puerto Rico [United States]	Record daily precipitation	95.3 mm (3.8 in)	50 of 100 (Notable)
Jajome Alto	Puerto Rico [United States]	Record daily precipitation	118.9 mm (4.7 in)	50 of 100 (Notable)
Newport 1SW	United States	Record daily precipitation	126.5 mm (5.0 in)	50 of 100 (Notable)
Cootamundra (Landgrove)	Australia	Record daily precipitation	38.0 mm (1.5 in)	49 of 100 (Notable)
Berry Masonic Village	Australia	Record daily precipitation	78.0 mm (3.1 in)	48 of 100 (Notable)
Acatzingo de Hidalgo	Mexico	Record daily precipitation	41.1 mm (1.6 in)	48 of 100 (Notable)
Tlacotepec de Benito Juarez	Mexico	Record daily precipitation	41.9 mm (1.6 in)	48 of 100 (Notable)
Iowa City	United States	Record daily precipitation	61.7 mm (2.4 in)	48 of 100 (Notable)
Piacabucu	Brazil	Record daily precipitation	114.5 mm (4.5 in)	47 of 100 (Notable)
Carrollton	United States	Record high minimum temperature	20.0 C (68.0 F)	47 of 100 (Notable)
Pomona/Fairplex	United States	Record high minimum temperature	17.2 C (63.0 F)	46 of 100 (Notable)
San Juan L M Marin Intl AP	Puerto Rico [United States]	Record daily precipitation	74.9 mm (2.9 in)	45 of 100 (Notable)
Gatesville	United States	Record daily precipitation	57.7 mm (2.3 in)	44 of 100 (Notable)
Charters Towers Post Office	Australia	Record high minimum temperature	22.0 C (71.6 F)	43 of 100 (Notable)
Paonia 1SW	United States	Record high minimum temperature	12.2 C (54.0 F)	43 of 100 (Notable)
Gargett Post Office	Australia	Record daily precipitation	86.0 mm (3.4 in)	42 of 100 (Notable)
Augsburg	Germany	Record daily precipitation	26.9 mm (1.1 in)	42 of 100 (Notable)
Brunswick	United States	Record low minimum temperature	5.0 C (41.0 F)	42 of 100 (Notable)
Hillview	Australia	Record daily precipitation	87.0 mm (3.4 in)	41 of 100 (Notable)
Sans Souci (Public School)	Australia	Record daily precipitation	84.4 mm (3.3 in)	41 of 100 (Notable)
Champaign 3S	United States	Record daily precipitation	44.2 mm (1.7 in)	41 of 100 (Notable)
Seal Rocks Camping Reserve	Australia	Record daily precipitation	65.6 mm (2.6 in)	40 of 100 (Notable)
Taree (Radio Station 2Re)	Australia	Record daily precipitation	50.0 mm (2.0 in)	40 of 100 (Notable)
Regensburg	Germany	Record high minimum temperature	10.6 C (51.1 F)	40 of 100 (Notable)
Homestead	Australia	Record daily precipitation	78.2 mm (3.1 in)	39 of 100 (Notable)
Flores (Dnocs)	Brazil	Record daily precipitation	44.8 mm (1.8 in)	38 of 100 (Notable)
The Dalles	United States	Record low minimum temperature	0.6 C (33.1 F)	38 of 100 (Notable)
Nowra Treatment Works	Australia	Record daily precipitation	34.4 mm (1.4 in)	37 of 100 (Notable)
Rantoul	United States	Record daily precipitation	39.4 mm (1.6 in)	37 of 100 (Notable)
Chestnut Hill	United States	Record high minimum temperature	16.7 C (62.1 F)	36 of 100 (Notable)
Neosho	United States	Record high minimum temperature	20.0 C (68.0 F)	36 of 100 (Notable)
Encinal	United States	Record daily precipitation	38.1 mm (1.5 in)	36 of 100 (Notable)
Des Moines Intl AP	United States	Record daily precipitation	65.5 mm (2.6 in)	36 of 100 (Notable)
Zapotitlan de Mendez	Mexico	Record daily precipitation	34.8 mm (1.4 in)	35 of 100 (Notable)
Frankfort Disposal	United States	Record daily precipitation	37.3 mm (1.5 in)	35 of 100 (Notable)
Elizabethtown	United States	Record high maximum temperature	30.0 C (86.0 F)	35 of 100 (Notable)
Crosbyton	United States	Record daily precipitation	30.0 mm (1.2 in)	35 of 100 (Notable)
Woodstock	United States	Record high maximum temperature	28.3 C (82.9 F)	35 of 100 (Notable)
Hughenden Station	Australia	Record daily precipitation	43.5 mm (1.7 in)	34 of 100 (Routine)
Dapto Bowling Club	Australia	Record daily precipitation	38.0 mm (1.5 in)	34 of 100 (Routine)
Temilpa	Mexico	Record daily precipitation	39.9 mm (1.6 in)	34 of 100 (Routine)
Eads	United States	Record high maximum temperature	34.4 C (93.9 F)	34 of 100 (Routine)
Grafton	United States	Record high minimum temperature	11.7 C (53.1 F)	34 of 100 (Routine)
Binalong Post Office	Australia	Record daily precipitation	30.0 mm (1.2 in)	33 of 100 (Routine)
Lindeman Island Resort	Australia	Record daily precipitation	54.5 mm (2.1 in)	32 of 100 (Routine)
Kangiara (Laverstock)	Australia	Record daily precipitation	26.0 mm (1.0 in)	32 of 100 (Routine)
Grinnell 3 SW	United States	Record daily precipitation	39.9 mm (1.6 in)	32 of 100 (Routine)
Dime Box	United States	Record daily precipitation	65.8 mm (2.6 in)	32 of 100 (Routine)
Tecamachalco	Mexico	Record daily precipitation	33.8 mm (1.3 in)	31 of 100 (Routine)

Counts by Type and Timescale

660 records

Records set or tied on 30 April 1986 by type: Highest daily maximum 117, Lowest daily maximum 49, Highest daily minimum 205, Lowest daily minimum 84, Heaviest daily rainfall 204, Heaviest daily snowfall 1.

Records on 30 April 1986 by type
Record type	Records
Highest daily maximum	117
Lowest daily maximum	49
Highest daily minimum	205
Lowest daily minimum	84
Heaviest daily rainfall	204
Heaviest daily snowfall	1
Deepest snow cover	0

Records on 30 April 1986 by timescale: all-time 0, monthly 32, daily 628.

How Much Records Were Beaten By

501 broken records

Margins by which the 501 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 133.4. Ties are not counted.

Top 20 by Significance

30 April 1986

Top 20 records on 30 April 1986 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 April 1986	Gerringong (Mayflower Village), AU	daily rain	159.6 mm (6.3 in)	117.2 mm (4.6 in)	73 years	71 of 100 (Major)
30 April 1986	Keanae 346, US	monthly rain	538.5 mm (21.2 in)	133.4 mm (5.3 in)	68 years	70 of 100 (Major)
30 April 1986	Forster - Tuncurry R.V.C.P., AU	daily rain	89.0 mm (3.5 in)	64.4 mm (2.5 in)	85 years	65 of 100 (Major)
30 April 1986	Streator 2SE, US	daily rain	65.8 mm (2.6 in)	32.8 mm (1.3 in)	79 years	62 of 100 (Major)
30 April 1986	Westland, AU	daily rain	27.0 mm (1.1 in)	27.0 mm (1.1 in)	97 years	58 of 100 (Notable)
30 April 1986	Bungonia (Inverary Park), AU	daily rain	27.2 mm (1.1 in)	19.1 mm (0.8 in)	98 years	57 of 100 (Notable)
30 April 1986	Kiama Bowling Club, AU	daily rain	85.0 mm (3.3 in)	51.5 mm (2.0 in)	73 years	55 of 100 (Notable)
30 April 1986	Berne Wwtp, US	daily rain	43.7 mm (1.7 in)	23.6 mm (0.9 in)	75 years	55 of 100 (Notable)
30 April 1986	Ankeny, US	monthly rain	114.3 mm (4.5 in)	37.6 mm (1.5 in)	23 years	53 of 100 (Notable)
30 April 1986	Jayuya, PR	daily rain	75.4 mm (3.0 in)	48.5 mm (1.9 in)	61 years	52 of 100 (Notable)
30 April 1986	Knoxville, US	daily rain	62.5 mm (2.5 in)	40.1 mm (1.6 in)	25 years	52 of 100 (Notable)
30 April 1986	Cayey 1 E, PR	daily rain	95.3 mm (3.8 in)	65.6 mm (2.6 in)	25 years	50 of 100 (Notable)
30 April 1986	Jajome Alto, PR	daily rain	118.9 mm (4.7 in)	57.9 mm (2.3 in)	24 years	50 of 100 (Notable)
30 April 1986	Newport 1SW, US	daily rain	126.5 mm (5.0 in)	83.3 mm (3.3 in)	20 years	50 of 100 (Notable)
30 April 1986	Cootamundra (Landgrove), AU	daily rain	38.0 mm (1.5 in)	15.4 mm (0.6 in)	90 years	49 of 100 (Notable)
30 April 1986	Berry Masonic Village, AU	daily rain	78.0 mm (3.1 in)	44.2 mm (1.7 in)	73 years	48 of 100 (Notable)
30 April 1986	Acatzingo de Hidalgo, MX	daily rain	41.1 mm (1.6 in)	29.7 mm (1.2 in)	27 years	48 of 100 (Notable)
30 April 1986	Tlacotepec de Benito Juarez, MX	daily rain	41.9 mm (1.6 in)	39.6 mm (1.6 in)	13 years	48 of 100 (Notable)
30 April 1986	Iowa City, US	daily rain	61.7 mm (2.4 in)	30.5 mm (1.2 in)	32 years	48 of 100 (Notable)
30 April 1986	Piacabucu, BR	daily rain	114.5 mm (4.5 in)	54.5 mm (2.1 in)	43 years	47 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 1986

Records set or tied on this calendar date in each year from 1795 to 1986. 1986 had 660 records.

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

Records on 04-30 in each year
Year	Records
1795	1
1804	1
1809	1
1812	1
1814	2
1833	1
1840	1
1848	1
1850	1
1853	1
1854	1
1856	1
1859	1
1862	1
1864	1
1865	1
1866	3
1872	1
1873	1
1874	2
1876	1
1878	4
1879	2
1880	1
1881	1
1882	1
1884	1
1885	1
1886	5
1888	1
1889	1
1891	5
1892	7
1894	1
1895	5
1896	3
1897	2
1898	6
1899	11
1900	4
1901	8
1902	13
1903	21
1904	11
1905	9
1906	16
1907	35
1908	28
1909	74
1910	17
1911	19
1912	18
1913	62
1914	8
1915	20
1916	21
1917	25
1918	28
1919	130
1920	70
1921	54
1922	138
1923	42
1924	96
1925	210
1926	331
1927	127
1928	130
1929	119
1930	232
1931	548
1932	145
1933	422
1934	443
1935	327
1936	373
1937	228
1938	282
1939	268
1940	526
1941	484
1942	1,163
1943	470
1944	286
1945	314
1946	301
1947	330
1948	912
1949	447
1950	671
1951	783
1952	435
1953	635
1954	1,224
1955	1,252
1956	908
1957	401
1958	482
1959	575
1960	507
1961	381
1962	617
1963	730
1964	339
1965	488
1966	740
1967	914
1968	928
1969	587
1970	1,189
1971	365
1972	497
1973	398
1974	822
1975	468
1976	783
1977	525
1978	631
1979	675
1980	545
1981	1,342
1982	504
1983	1,154
1984	1,519
1985	650
1986	660
1987	1,437
1988	808
1989	674
1990	977
1991	828
1992	1,808
1993	765
1994	1,499
1995	1,007
1996	1,637
1997	764
1998	857
1999	1,012
2000	1,046
2001	900
2002	1,171
2003	927
2004	703
2005	1,113
2006	778
2007	996
2008	1,260
2009	660
2010	921
2011	636
2012	819
2013	732
2014	946
2015	380
2016	969
2017	1,450
2018	708
2019	700
2020	1,476
2021	1,167
2022	499
2023	782
2024	705
2025	489
2026	365

Download the Data

Data for records on 1986-04-30: 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	459
20 to 40	28
40 to 60	8
60 to 80	3
80 to 100	1
100 to 120	1
120 to 140	1