Weather Records on 30 April 1998

857 weather records were set or tied worldwide on 30 April 1998. Highest significance: Shoals 8 S, US.

Key Facts for 30 April 1998

On 30 April 1998, 857 weather records were set or tied at long-record stations worldwide.
498 were record highs and 227 were record lows, counting maximum and minimum temperature.
By timescale, 5 were all-time records, 70 monthly and 782 daily.
Shoals 8 S set a daily record precipitation of 77.2 mm (3.0 in) on 30 April 1998.
Across 165 earlier years (1795 to 2026) the same calendar date averaged 444 records.

Record Map

857 stations

857 station records on 30 April 1998 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 April 1998: highest significance records shown on the map
Station	Country	Type	Value	Significance
Shoals 8 S	United States	Record daily precipitation	77.2 mm (3.0 in)	58 of 100 (Notable)
Williams 3 SW	United States	Record daily precipitation	83.8 mm (3.3 in)	55 of 100 (Notable)
Gatos	Brazil	Record daily precipitation	82.5 mm (3.2 in)	54 of 100 (Notable)
Oolitic Purdue Ex Fm	United States	Record daily precipitation	74.9 mm (2.9 in)	54 of 100 (Notable)
Burlington Muni AP	United States	Record daily precipitation	49.3 mm (1.9 in)	54 of 100 (Notable)
Varinhas	Brazil	Record daily precipitation	61.2 mm (2.4 in)	52 of 100 (Notable)
Du Quoin 4 SE	United States	Record daily precipitation	49.3 mm (1.9 in)	52 of 100 (Notable)
Ste Marie (River)	United States	Record daily precipitation	63.2 mm (2.5 in)	51 of 100 (Notable)
San Sebastian - Igueldo	Spain	Record daily precipitation	44.8 mm (1.8 in)	50 of 100 (Notable)
Vero Beach Intl AP	United States	Record daily precipitation	94.5 mm (3.7 in)	49 of 100 (Notable)
Nashville 2 NNE	United States	Record daily precipitation	86.4 mm (3.4 in)	48 of 100 (Notable)
Tacambaro	Mexico	Record low maximum temperature	21.7 C (71.1 F)	47 of 100 (Notable)
Ripley Exp Farm	United States	Record daily precipitation	71.1 mm (2.8 in)	47 of 100 (Notable)
Palestine	United States	Record daily precipitation	50.8 mm (2.0 in)	46 of 100 (Notable)
Olney 2S	United States	Record daily precipitation	63.8 mm (2.5 in)	45 of 100 (Notable)
Ayutla (Cfe)	Mexico	Record low minimum temperature	11.7 C (53.1 F)	44 of 100 (Notable)
St. Petersburg	Russia	Record high maximum temperature	24.5 C (76.1 F)	43 of 100 (Notable)
Clearbrook	United States	Record high maximum temperature	29.4 C (84.9 F)	43 of 100 (Notable)
Nenastnaja	Russia	Record daily precipitation	49.7 mm (2.0 in)	42 of 100 (Notable)
Bourges	France	Record daily precipitation	29.8 mm (1.2 in)	41 of 100 (Notable)
Maysville Wwtp	United States	Record daily precipitation	56.1 mm (2.2 in)	41 of 100 (Notable)
Aberdeen	United States	Record high maximum temperature	29.4 C (84.9 F)	41 of 100 (Notable)
Waynesboro 2 S	United States	Record daily precipitation	55.9 mm (2.2 in)	40 of 100 (Notable)
Carlinville	United States	Record daily precipitation	37.6 mm (1.5 in)	40 of 100 (Notable)
Sidell 4N	United States	Record daily precipitation	47.0 mm (1.9 in)	40 of 100 (Notable)
Colville	United States	Record high maximum temperature	30.0 C (86.0 F)	40 of 100 (Notable)
Beaver Dam	United States	Record low minimum temperature	-1.1 C (30.0 F)	38 of 100 (Notable)
Reserve	United States	Record low maximum temperature	20.6 C (69.1 F)	38 of 100 (Notable)
Hillsboro	United States	Record daily precipitation	36.8 mm (1.4 in)	38 of 100 (Notable)
San Miguel Ejutla	Mexico	Record high maximum temperature	40.0 C (104.0 F)	37 of 100 (Notable)
Hutsonville	United States	Record daily precipitation	40.1 mm (1.6 in)	37 of 100 (Notable)
Lawrenceville 2WSW	United States	Record daily precipitation	53.3 mm (2.1 in)	37 of 100 (Notable)
Newton 6 SSE	United States	Record daily precipitation	55.4 mm (2.2 in)	37 of 100 (Notable)
Elma	United States	Record high maximum temperature	31.7 C (89.1 F)	37 of 100 (Notable)
Hatton 9 SE	United States	Record high maximum temperature	30.6 C (87.1 F)	37 of 100 (Notable)
Ponce 4 E	Puerto Rico [United States]	Record high maximum temperature	34.4 C (93.9 F)	36 of 100 (Notable)
Burlington 2S	United States	Record daily precipitation	47.8 mm (1.9 in)	36 of 100 (Notable)
Waverly	United States	Record low minimum temperature	-1.1 C (30.0 F)	36 of 100 (Notable)
Springfield	United States	Record daily precipitation	55.6 mm (2.2 in)	36 of 100 (Notable)
Portland Intl AP	United States	Record high minimum temperature	13.9 C (57.0 F)	36 of 100 (Notable)
San Jeronimo	Mexico	Record low minimum temperature	10.6 C (51.1 F)	35 of 100 (Notable)
Franca	Brazil	Record daily precipitation	52.4 mm (2.1 in)	34 of 100 (Routine)
Santa Cruz	Mexico	Record daily precipitation	30.0 mm (1.2 in)	34 of 100 (Routine)
Russell Springs	United States	Record low minimum temperature	-4.4 C (24.1 F)	34 of 100 (Routine)
Brevard	United States	Record low maximum temperature	12.8 C (55.0 F)	34 of 100 (Routine)
Williamstown	United States	Record daily precipitation	42.7 mm (1.7 in)	33 of 100 (Routine)
McKinley Park	United States	Record daily snowfall	14.2 cm (5.6 in)	33 of 100 (Routine)
Elwha Rs	United States	Record high maximum temperature	25.6 C (78.1 F)	32 of 100 (Routine)
Cairns Post Office	Australia	Record high maximum temperature	32.1 C (89.8 F)	31 of 100 (Routine)
Delfim Moreira	Brazil	Record daily precipitation	40.2 mm (1.6 in)	31 of 100 (Routine)
Vilsandi	Estonia	Record high minimum temperature	12.0 C (53.6 F)	31 of 100 (Routine)
Spencer	United States	Record daily precipitation	33.5 mm (1.3 in)	31 of 100 (Routine)
Joseph	United States	Record high maximum temperature	23.9 C (75.0 F)	31 of 100 (Routine)
Crossville Mem AP	United States	Record daily precipitation	42.9 mm (1.7 in)	31 of 100 (Routine)
Portland Intl AP	United States	Record high maximum temperature	32.2 C (90.0 F)	31 of 100 (Routine)
Altamirano (Smn)	Mexico	Record low maximum temperature	18.3 C (64.9 F)	30 of 100 (Routine)
Montezuma 2 NW	United States	Record daily precipitation	50.3 mm (2.0 in)	30 of 100 (Routine)
Gest Lock 3	United States	Record daily precipitation	40.6 mm (1.6 in)	30 of 100 (Routine)
Hyden	United States	Record daily precipitation	41.1 mm (1.6 in)	30 of 100 (Routine)
Hoburg	Sweden	Record high minimum temperature	7.9 C (46.2 F)	29 of 100 (Routine)

Counts by Type and Timescale

857 records

Records set or tied on 30 April 1998 by type: Highest daily maximum 307, Lowest daily maximum 89, Highest daily minimum 191, Lowest daily minimum 138, Heaviest daily rainfall 129, Heaviest daily snowfall 3.

Records on 30 April 1998 by type
Record type	Records
Highest daily maximum	307
Lowest daily maximum	89
Highest daily minimum	191
Lowest daily minimum	138
Heaviest daily rainfall	129
Heaviest daily snowfall	3
Deepest snow cover	0

Records on 30 April 1998 by timescale: all-time 5, monthly 70, daily 782.

How Much Records Were Beaten By

657 broken records

Margins by which the 657 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 91.0. Ties are not counted.

Top 20 by Significance

30 April 1998

Top 20 records on 30 April 1998 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 April 1998	Shoals 8 S, US	daily rain	77.2 mm (3.0 in)	24.9 mm (1.0 in)	88 years	58 of 100 (Notable)
30 April 1998	Williams 3 SW, US	daily rain	83.8 mm (3.3 in)	30.5 mm (1.2 in)	71 years	55 of 100 (Notable)
30 April 1998	Gatos, BR	daily rain	82.5 mm (3.2 in)	68.3 mm (2.7 in)	33 years	54 of 100 (Notable)
30 April 1998	Oolitic Purdue Ex Fm, US	daily rain	74.9 mm (2.9 in)	50.3 mm (2.0 in)	15 years	54 of 100 (Notable)
30 April 1998	Burlington Muni AP, US	daily rain	49.3 mm (1.9 in)	18.3 mm (0.7 in)	91 years	54 of 100 (Notable)
30 April 1998	Varinhas, BR	daily rain	61.2 mm (2.4 in)	50.8 mm (2.0 in)	32 years	52 of 100 (Notable)
30 April 1998	Du Quoin 4 SE, US	daily rain	49.3 mm (1.9 in)	15.0 mm (0.6 in)	104 years	52 of 100 (Notable)
30 April 1998	Ste Marie (River), US	daily rain	63.2 mm (2.5 in)	32.7 mm (1.3 in)	51 years	51 of 100 (Notable)
30 April 1998	San Sebastian - Igueldo, ES	daily rain	44.8 mm (1.8 in)	25.6 mm (1.0 in)	59 years	50 of 100 (Notable)
30 April 1998	Vero Beach Intl AP, US	daily rain	94.5 mm (3.7 in)	60.5 mm (2.4 in)	9 years	49 of 100 (Notable)
30 April 1998	Nashville 2 NNE, US	daily rain	86.4 mm (3.4 in)	64.8 mm (2.6 in)	1 year	48 of 100 (Notable)
30 April 1998	Tacambaro, MX	daily low max	21.7 C (71.1 F)	6.1 C (11.0 F)	41 years	47 of 100 (Notable)
30 April 1998	Ripley Exp Farm, US	daily rain	71.1 mm (2.8 in)	34.8 mm (1.4 in)	32 years	47 of 100 (Notable)
30 April 1998	Palestine, US	daily rain	50.8 mm (2.0 in)	12.7 mm (0.5 in)	80 years	46 of 100 (Notable)
30 April 1998	Olney 2S, US	daily rain	63.8 mm (2.5 in)	6.1 mm (0.24 in)	104 years	45 of 100 (Notable)
30 April 1998	Ayutla (Cfe), MX	daily low min	11.7 C (53.1 F)	6.1 C (11.0 F)	16 years	44 of 100 (Notable)
30 April 1998	St. Petersburg, RU	daily high max	24.5 C (76.1 F)	1.6 C (2.9 F)	107 years	43 of 100 (Notable)
30 April 1998	Clearbrook, US	daily high max	29.4 C (84.9 F)	3.3 C (5.9 F)	89 years	43 of 100 (Notable)
30 April 1998	Nenastnaja, RU	daily rain	49.7 mm (2.0 in)	19.5 mm (0.8 in)	32 years	42 of 100 (Notable)
30 April 1998	Bourges, FR	daily rain	29.8 mm (1.2 in)	14.8 mm (0.6 in)	7 years	41 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 1998

Records set or tied on this calendar date in each year from 1795 to 1998. 1998 had 857 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 1998-04-30: 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	635
20 to 40	16
40 to 60	2
60 to 80	3
80 to 100	1