Weather Records on 30 April 1984

1,519 weather records were set or tied worldwide on 30 April 1984. Highest significance: Plevna, US.

Key Facts for 30 April 1984

On 30 April 1984, 1,519 weather records were set or tied at long-record stations worldwide.
254 were record highs and 298 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 84 monthly and 1,433 daily.
Plevna set a monthly record snow depth of 30.5 cm (12.0 in) on 30 April 1984.
Across 165 earlier years (1795 to 2026) the same calendar date averaged 440 records.

Record Map

1,519 stations

1,519 station records on 30 April 1984 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 April 1984: highest significance records shown on the map
Station	Country	Type	Value	Significance
Plevna	United States	Record snow depth	30.5 cm (12.0 in)	78 of 100 (Major)
O'Neill	United States	Record daily snowfall	30.5 cm (12.0 in)	76 of 100 (Major)
Bayfield 6 N	United States	Record daily snowfall	36.1 cm (14.2 in)	76 of 100 (Major)
Britstown (Pol)	South Africa	Record daily precipitation	170.0 mm (6.7 in)	70 of 100 (Major)
W Pt	United States	Record daily snowfall	17.8 cm (7.0 in)	70 of 100 (Major)
O'Neill	United States	Record snow depth	30.5 cm (12.0 in)	67 of 100 (Major)
Brickhouse	Australia	Record daily precipitation	80.0 mm (3.1 in)	66 of 100 (Major)
Mt Carroll	United States	Record daily precipitation	62.7 mm (2.5 in)	66 of 100 (Major)
Farmington 3NW	United States	Record daily snowfall	25.4 cm (10.0 in)	66 of 100 (Major)
Independence #1	United States	Record daily precipitation	70.4 mm (2.8 in)	65 of 100 (Major)
Storm Lake	United States	Record daily snowfall	15.2 cm (6.0 in)	65 of 100 (Major)
Taylor	United States	Record daily snowfall	25.4 cm (10.0 in)	64 of 100 (Major)
Osage	United States	Record daily precipitation	61.5 mm (2.4 in)	63 of 100 (Major)
Storm Lake	United States	Record snow depth	15.2 cm (6.0 in)	63 of 100 (Major)
Tracy	United States	Record daily snowfall	20.3 cm (8.0 in)	63 of 100 (Major)
Kearney 4 NE	United States	Record daily snowfall	12.7 cm (5.0 in)	63 of 100 (Major)
Dwellingup	Australia	Record daily precipitation	93.4 mm (3.7 in)	62 of 100 (Major)
Hutchinson 1 N	United States	Record daily snowfall	10.2 cm (4.0 in)	62 of 100 (Major)
Newcastle	United States	Record daily snowfall	15.2 cm (6.0 in)	62 of 100 (Major)
Webster City	United States	Record daily precipitation	58.4 mm (2.3 in)	61 of 100 (Major)
Pinjarra	Australia	Record daily precipitation	49.6 mm (2.0 in)	60 of 100 (Major)
Holdrege	United States	Record daily snowfall	14.0 cm (5.5 in)	60 of 100 (Major)
Oakdale	United States	Record snow depth	12.7 cm (5.0 in)	60 of 100 (Major)
Stanton	United States	Record daily snowfall	11.4 cm (4.5 in)	60 of 100 (Major)
Madeline Is	United States	Record daily precipitation	76.2 mm (3.0 in)	60 of 100 (Major)
Fairmont	United States	Record daily snowfall	20.3 cm (8.0 in)	59 of 100 (Notable)
Roelands Village	Australia	Record daily precipitation	43.0 mm (1.7 in)	58 of 100 (Notable)
Guthrie Ctr	United States	Record daily precipitation	65.8 mm (2.6 in)	58 of 100 (Notable)
New Hampton	United States	Record daily precipitation	53.1 mm (2.1 in)	58 of 100 (Notable)
Elgin	United States	Record daily snowfall	19.1 cm (7.5 in)	58 of 100 (Notable)
Minden	United States	Record daily snowfall	15.2 cm (6.0 in)	58 of 100 (Notable)
Bayfield 6 N	United States	Record daily precipitation	44.5 mm (1.8 in)	58 of 100 (Notable)
Algona	United States	Record daily snowfall	12.7 cm (5.0 in)	57 of 100 (Notable)
Charles City	United States	Record daily precipitation	41.9 mm (1.6 in)	57 of 100 (Notable)
Madison	United States	Record daily snowfall	10.2 cm (4.0 in)	57 of 100 (Notable)
Oakdale	United States	Record daily snowfall	20.3 cm (8.0 in)	57 of 100 (Notable)
Long Lake Dam	United States	Record daily precipitation	46.0 mm (1.8 in)	57 of 100 (Notable)
Willow Rsvr	United States	Record daily precipitation	40.9 mm (1.6 in)	57 of 100 (Notable)
Cresco 1 NE	United States	Record daily precipitation	62.2 mm (2.4 in)	56 of 100 (Notable)
Chaska	United States	Record daily snowfall	15.2 cm (6.0 in)	56 of 100 (Notable)
St Peter	United States	Record daily snowfall	14.0 cm (5.5 in)	56 of 100 (Notable)
Zumbrota	United States	Record daily snowfall	15.2 cm (6.0 in)	56 of 100 (Notable)
Ericson 8 WNW	United States	Record snow depth	20.3 cm (8.0 in)	56 of 100 (Notable)
Akron	United States	Record daily snowfall	12.7 cm (5.0 in)	55 of 100 (Notable)
Clarinda	United States	Record daily precipitation	59.7 mm (2.4 in)	55 of 100 (Notable)
Pocahontas	United States	Record daily snowfall	15.2 cm (6.0 in)	55 of 100 (Notable)
Rock Rapids	United States	Record daily snowfall	10.2 cm (4.0 in)	55 of 100 (Notable)
Sibley	United States	Record daily snowfall	12.7 cm (5.0 in)	55 of 100 (Notable)
Albert Lea 3SE	United States	Record daily snowfall	15.2 cm (6.0 in)	55 of 100 (Notable)
Albion	United States	Record daily snowfall	12.7 cm (5.0 in)	55 of 100 (Notable)
Neligh	United States	Record daily snowfall	15.2 cm (6.0 in)	55 of 100 (Notable)
Carnarvon Airport	Australia	Record daily precipitation	43.2 mm (1.7 in)	54 of 100 (Notable)
Cheviot Fells	South Africa	Record daily precipitation	38.5 mm (1.5 in)	54 of 100 (Notable)
Sibley	United States	Record snow depth	12.7 cm (5.0 in)	54 of 100 (Notable)
Jordan 1SSW	United States	Record daily snowfall	22.9 cm (9.0 in)	54 of 100 (Notable)
Homer 3NE	United States	Record daily precipitation	92.2 mm (3.6 in)	54 of 100 (Notable)
Brule Rs	United States	Record daily precipitation	54.6 mm (2.1 in)	54 of 100 (Notable)
Sugar Camp	United States	Record daily precipitation	38.6 mm (1.5 in)	54 of 100 (Notable)
Falls City Brenner Fld	United States	Record daily precipitation	63.8 mm (2.5 in)	54 of 100 (Notable)
Sandsprings	Australia	Record daily precipitation	40.0 mm (1.6 in)	53 of 100 (Notable)

Counts by Type and Timescale

1,519 records

Records set or tied on 30 April 1984 by type: Highest daily maximum 139, Lowest daily maximum 103, Highest daily minimum 115, Lowest daily minimum 195, Heaviest daily rainfall 646, Heaviest daily snowfall 159, Deepest snow cover 162.

Records on 30 April 1984 by type
Record type	Records
Highest daily maximum	139
Lowest daily maximum	103
Highest daily minimum	115
Lowest daily minimum	195
Heaviest daily rainfall	646
Heaviest daily snowfall	159
Deepest snow cover	162

Records on 30 April 1984 by timescale: all-time 2, monthly 84, daily 1,433.

How Much Records Were Beaten By

1,316 broken records

Margins by which the 1,316 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 432.0. Ties are not counted.

Top 20 by Significance

30 April 1984

Top 20 records on 30 April 1984 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 April 1984	Plevna, US	monthly snow depth	30.5 cm (12.0 in)	15.3 cm (6.0 in)	72 years	78 of 100 (Major)
30 April 1984	O'Neill, US	daily snowfall	30.5 cm (12.0 in)	30.5 cm (12.0 in)	90 years	76 of 100 (Major)
30 April 1984	Bayfield 6 N, US	daily snowfall	36.1 cm (14.2 in)	36.1 cm (14.2 in)	90 years	76 of 100 (Major)
30 April 1984	Britstown (Pol), ZA	all-time rain	170.0 mm (6.7 in)	70.0 mm (2.8 in)	3 years	70 of 100 (Major)
30 April 1984	W Pt, US	daily snowfall	17.8 cm (7.0 in)	17.8 cm (7.0 in)	93 years	70 of 100 (Major)
30 April 1984	O'Neill, US	daily snow depth	30.5 cm (12.0 in)	30.5 cm (12.0 in)	65 years	67 of 100 (Major)
30 April 1984	Brickhouse, AU	monthly rain	80.0 mm (3.1 in)	28.7 mm (1.1 in)	71 years	66 of 100 (Major)
30 April 1984	Mt Carroll, US	daily rain	62.7 mm (2.5 in)	35.3 mm (1.4 in)	67 years	66 of 100 (Major)
30 April 1984	Farmington 3NW, US	daily snowfall	25.4 cm (10.0 in)	22.9 cm (9.0 in)	81 years	66 of 100 (Major)
30 April 1984	Independence #1, US	monthly rain	70.4 mm (2.8 in)	14.5 mm (0.6 in)	106 years	65 of 100 (Major)
30 April 1984	Storm Lake, US	daily snowfall	15.2 cm (6.0 in)	15.2 cm (6.0 in)	90 years	65 of 100 (Major)
30 April 1984	Taylor, US	daily snowfall	25.4 cm (10.0 in)	25.4 cm (10.0 in)	62 years	64 of 100 (Major)
30 April 1984	Osage, US	daily rain	61.5 mm (2.4 in)	42.2 mm (1.7 in)	47 years	63 of 100 (Major)
30 April 1984	Storm Lake, US	daily snow depth	15.2 cm (6.0 in)	15.2 cm (6.0 in)	90 years	63 of 100 (Major)
30 April 1984	Tracy, US	daily snowfall	20.3 cm (8.0 in)	20.3 cm (8.0 in)	70 years	63 of 100 (Major)
30 April 1984	Kearney 4 NE, US	daily snowfall	12.7 cm (5.0 in)	12.7 cm (5.0 in)	84 years	63 of 100 (Major)
30 April 1984	Dwellingup, AU	monthly rain	93.4 mm (3.7 in)	39.6 mm (1.6 in)	25 years	62 of 100 (Major)
30 April 1984	Hutchinson 1 N, US	daily snowfall	10.2 cm (4.0 in)	10.2 cm (4.0 in)	89 years	62 of 100 (Major)
30 April 1984	Newcastle, US	daily snowfall	15.2 cm (6.0 in)	15.2 cm (6.0 in)	77 years	62 of 100 (Major)
30 April 1984	Webster City, US	daily rain	58.4 mm (2.3 in)	33.5 mm (1.3 in)	48 years	61 of 100 (Major)

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 1984

Records set or tied on this calendar date in each year from 1795 to 1984. 1984 had 1,519 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 1984-04-30: 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).

Histogram of margins by which records were beaten on 30 April 1984
Margin	Records
0 to 100	1,191
100 to 200	93
200 to 300	23
300 to 400	7
400 to 500	2