Weather Records on 30 April 2015

380 weather records were set or tied worldwide on 30 April 2015. Highest significance: Stavanger - Valand, NO.

Key Facts for 30 April 2015

On 30 April 2015, 380 weather records were set or tied at long-record stations worldwide.
204 were record highs and 69 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 27 monthly and 353 daily.
Stavanger - Valand set a daily record precipitation of 35.5 mm (1.4 in) on 30 April 2015.
Across 165 earlier years (1795 to 2026) the same calendar date averaged 447 records.

Record Map

380 stations

380 station records on 30 April 2015 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 April 2015: highest significance records shown on the map
Station	Country	Type	Value	Significance
Stavanger - Valand	Norway	Record daily precipitation	35.5 mm (1.4 in)	65 of 100 (Major)
Isabela Substn	Puerto Rico [United States]	Record high maximum temperature	35.0 C (95.0 F)	51 of 100 (Notable)
Los Gatos	United States	Record high minimum temperature	17.8 C (64.0 F)	48 of 100 (Notable)
Pte de Chassiron	France	Record daily precipitation	25.8 mm (1.0 in)	44 of 100 (Notable)
Nantes-Bouguenais	France	Record daily precipitation	43.6 mm (1.7 in)	41 of 100 (Notable)
Manati 2 E	Puerto Rico [United States]	Record high maximum temperature	35.6 C (96.1 F)	41 of 100 (Notable)
Fallon Exp STN	United States	Record high minimum temperature	9.4 C (48.9 F)	40 of 100 (Notable)
Smiths Lake (Patsys Flat Road)	Australia	Record daily precipitation	76.0 mm (3.0 in)	38 of 100 (Notable)
Amberley AMO	Australia	Record low maximum temperature	17.4 C (63.3 F)	37 of 100 (Notable)
Toogoom	Australia	Record daily precipitation	25.0 mm (1.0 in)	36 of 100 (Notable)
Nagasaki	Japan	Record daily precipitation	90.9 mm (3.6 in)	36 of 100 (Notable)
Bowman Dam	United States	Record high minimum temperature	11.1 C (52.0 F)	36 of 100 (Notable)
Eumundi - Crescent Rd	Australia	Record daily precipitation	106.4 mm (4.2 in)	35 of 100 (Notable)
Bogucar	Russia	Record high minimum temperature	14.1 C (57.4 F)	35 of 100 (Notable)
Kalpowar Forestry	Australia	Record daily precipitation	43.0 mm (1.7 in)	34 of 100 (Routine)
Creswick	Australia	Record daily precipitation	45.8 mm (1.8 in)	34 of 100 (Routine)
Snake Rvr	United States	Record high minimum temperature	3.3 C (37.9 F)	34 of 100 (Routine)
Mundubbera	Australia	Record daily precipitation	55.8 mm (2.2 in)	33 of 100 (Routine)
Tweed Heads Golf Club	Australia	Record daily precipitation	54.2 mm (2.1 in)	33 of 100 (Routine)
Ashton 1N	United States	Record high minimum temperature	7.8 C (46.0 F)	33 of 100 (Routine)
Biskra	Algeria	Record high maximum temperature	42.0 C (107.6 F)	32 of 100 (Routine)
Haboro	Japan	Record high maximum temperature	22.9 C (73.2 F)	32 of 100 (Routine)
Blagovescensk	Russia	Record high minimum temperature	11.5 C (52.7 F)	32 of 100 (Routine)
Marathon	United States	Record low minimum temperature	-0.6 C (30.9 F)	32 of 100 (Routine)
Green Mountains	Australia	Record daily precipitation	38.0 mm (1.5 in)	31 of 100 (Routine)
Fukuoka	Japan	Record daily precipitation	51.6 mm (2.0 in)	31 of 100 (Routine)
Akjoujt	Mauritania	Record high minimum temperature	30.2 C (86.4 F)	31 of 100 (Routine)
University of Queensland Gatto	Australia	Record low maximum temperature	17.2 C (63.0 F)	29 of 100 (Routine)
Brewarrina Hospital	Australia	Record low maximum temperature	16.3 C (61.3 F)	29 of 100 (Routine)
Woodburn Post Office	Australia	Record daily precipitation	52.8 mm (2.1 in)	29 of 100 (Routine)
Dry Tortugas	United States	Record daily precipitation	58.4 mm (2.3 in)	29 of 100 (Routine)
Bundaberg Aero	Australia	Record low maximum temperature	19.6 C (67.3 F)	28 of 100 (Routine)
Beenham Valley Rd	Australia	Record daily precipitation	60.0 mm (2.4 in)	28 of 100 (Routine)
Tours	France	Record daily precipitation	33.9 mm (1.3 in)	28 of 100 (Routine)
Vigo Peinador	Spain	Record daily precipitation	36.5 mm (1.4 in)	28 of 100 (Routine)
Rockhampton Aero	Australia	Record low maximum temperature	20.4 C (68.7 F)	27 of 100 (Routine)
Orly	France	Record daily precipitation	28.2 mm (1.1 in)	27 of 100 (Routine)
Maradi	Niger	Record low minimum temperature	19.9 C (67.8 F)	27 of 100 (Routine)
A Coruna	Spain	Record high minimum temperature	14.6 C (58.3 F)	27 of 100 (Routine)
Murwillumbah (Bray Park)	Australia	Record low maximum temperature	17.2 C (63.0 F)	26 of 100 (Routine)
Hognestad	Norway	Record daily precipitation	30.4 mm (1.2 in)	26 of 100 (Routine)
Gassim	Saudi Arabia	Record high maximum temperature	43.0 C (109.4 F)	26 of 100 (Routine)
Coalinga	United States	Record high minimum temperature	16.7 C (62.1 F)	26 of 100 (Routine)
Canal Pt USDA	United States	Record high minimum temperature	23.3 C (73.9 F)	26 of 100 (Routine)
Ferndale	Australia	Record daily precipitation	26.2 mm (1.0 in)	25 of 100 (Routine)
Archerfield Airport	Australia	Record low maximum temperature	17.7 C (63.9 F)	25 of 100 (Routine)
Omu	Japan	Record high maximum temperature	26.9 C (80.4 F)	25 of 100 (Routine)
Zamora	Mexico	Record low maximum temperature	29.0 C (84.2 F)	25 of 100 (Routine)
Dalnerechensk	Russia	Record high minimum temperature	12.4 C (54.3 F)	25 of 100 (Routine)
Sullivans Is	United States	Record low maximum temperature	19.4 C (66.9 F)	25 of 100 (Routine)
Lamar Rs	United States	Record high minimum temperature	3.9 C (39.0 F)	25 of 100 (Routine)
Villa Reynolds	Argentina	Record high minimum temperature	14.8 C (58.6 F)	24 of 100 (Routine)
Kingscliff (Marine Parade)	Australia	Record daily precipitation	54.2 mm (2.1 in)	24 of 100 (Routine)
Huade	China	Record high maximum temperature	26.8 C (80.2 F)	24 of 100 (Routine)
Duolun	China	Record high maximum temperature	28.1 C (82.6 F)	24 of 100 (Routine)
Shaoguan	China	Record daily precipitation	68.1 mm (2.7 in)	24 of 100 (Routine)
Kitamiesashi	Japan	Record high maximum temperature	25.1 C (77.2 F)	24 of 100 (Routine)
Asahikawa	Japan	Record high maximum temperature	26.2 C (79.2 F)	24 of 100 (Routine)
Sinuiju	Korea, North	Record high maximum temperature	28.2 C (82.8 F)	24 of 100 (Routine)
Ekaterino-Nikolskoe	Russia	Record high minimum temperature	14.5 C (58.1 F)	24 of 100 (Routine)

Counts by Type and Timescale

380 records

Records set or tied on 30 April 2015 by type: Highest daily maximum 105, Lowest daily maximum 35, Highest daily minimum 99, Lowest daily minimum 34, Heaviest daily rainfall 104, Deepest snow cover 3.

Records on 30 April 2015 by type
Record type	Records
Highest daily maximum	105
Lowest daily maximum	35
Highest daily minimum	99
Lowest daily minimum	34
Heaviest daily rainfall	104
Heaviest daily snowfall	0
Deepest snow cover	3

Records on 30 April 2015 by timescale: all-time 0, monthly 27, daily 353.

How Much Records Were Beaten By

304 broken records

Margins by which the 304 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 420.0. Ties are not counted.

Top 20 by Significance

30 April 2015

Top 20 records on 30 April 2015 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 April 2015	Stavanger - Valand, NO	daily rain	35.5 mm (1.4 in)	25.3 mm (1.0 in)	61 years	65 of 100 (Major)
30 April 2015	Isabela Substn, PR	daily high max	35.0 C (95.0 F)	1.7 C (3.1 F)	100 years	51 of 100 (Notable)
30 April 2015	Los Gatos, US	monthly high min	17.8 C (64.0 F)	0.6 C (1.1 F)	89 years	48 of 100 (Notable)
30 April 2015	Pte de Chassiron, FR	daily rain	25.8 mm (1.0 in)	4.4 mm (0.17 in)	80 years	44 of 100 (Notable)
30 April 2015	Nantes-Bouguenais, FR	monthly rain	43.6 mm (1.7 in)	7.2 mm (0.28 in)	32 years	41 of 100 (Notable)
30 April 2015	Manati 2 E, PR	daily high max	35.6 C (96.1 F)	0.6 C (1.1 F)	94 years	41 of 100 (Notable)
30 April 2015	Fallon Exp STN, US	daily high min	9.4 C (48.9 F)	0.5 C (0.9 F)	96 years	40 of 100 (Notable)
30 April 2015	Smiths Lake (Patsys Flat Road), AU	daily rain	76.0 mm (3.0 in)	48.0 mm (1.9 in)	33 years	38 of 100 (Notable)
30 April 2015	Amberley AMO, AU	daily low max	17.4 C (63.3 F)	3.0 C (5.4 F)	61 years	37 of 100 (Notable)
30 April 2015	Toogoom, AU	daily rain	25.0 mm (1.0 in)	16.1 mm (0.6 in)	46 years	36 of 100 (Notable)
30 April 2015	Nagasaki, JP	daily rain	90.9 mm (3.6 in)	33.9 mm (1.3 in)	42 years	36 of 100 (Notable)
30 April 2015	Bowman Dam, US	daily high min	11.1 C (52.0 F)	3.9 C (7.0 F)	56 years	36 of 100 (Notable)
30 April 2015	Eumundi - Crescent Rd, AU	daily rain	106.4 mm (4.2 in)	17.8 mm (0.7 in)	60 years	35 of 100 (Notable)
30 April 2015	Bogucar, RU	monthly high min	14.1 C (57.4 F)	0.2 C (0.4 F)	65 years	35 of 100 (Notable)
30 April 2015	Kalpowar Forestry, AU	daily rain	43.0 mm (1.7 in)	6.9 mm (0.27 in)	66 years	34 of 100 (Routine)
30 April 2015	Creswick, AU	daily rain	45.8 mm (1.8 in)	20.8 mm (0.8 in)	0 years	34 of 100 (Routine)
30 April 2015	Snake Rvr, US	daily high min	3.3 C (37.9 F)	2.2 C (4.0 F)	68 years	34 of 100 (Routine)
30 April 2015	Mundubbera, AU	daily rain	55.8 mm (2.2 in)	5.0 mm (0.20 in)	66 years	33 of 100 (Routine)
30 April 2015	Tweed Heads Golf Club, AU	daily rain	54.2 mm (2.1 in)	13.3 mm (0.5 in)	60 years	33 of 100 (Routine)
30 April 2015	Ashton 1N, US	daily high min	7.8 C (46.0 F)	0.6 C (1.1 F)	76 years	33 of 100 (Routine)

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 2015

Records set or tied on this calendar date in each year from 1795 to 2015. 2015 had 380 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 2015-04-30: 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 100	303
100 to 200	0
200 to 300	0
300 to 400	0
400 to 500	1