Weather Records on 4 May 2015

622 weather records were set or tied worldwide on 4 May 2015. Highest significance: Nimbin Post Office, AU.

Key Facts for 4 May 2015

On 4 May 2015, 622 weather records were set or tied at long-record stations worldwide.
392 were record highs and 51 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 13 monthly and 608 daily.
Nimbin Post Office set a daily record precipitation of 151.6 mm (6.0 in) on 4 May 2015.
Across 163 earlier years (1795 to 2026) the same calendar date averaged 429 records.

Record Map

622 stations

622 station records on 4 May 2015 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 4 May 2015: highest significance records shown on the map
Station	Country	Type	Value	Significance
Nimbin Post Office	Australia	Record daily precipitation	151.6 mm (6.0 in)	70 of 100 (Major)
Dilia	United States	Record daily precipitation	95.3 mm (3.8 in)	68 of 100 (Major)
Lille-Lesquin	France	Record daily precipitation	34.1 mm (1.3 in)	63 of 100 (Major)
Dunmore State Forest	Australia	Record daily precipitation	81.0 mm (3.2 in)	57 of 100 (Notable)
Tizi Ouzou	Algeria	Record high minimum temperature	20.0 C (68.0 F)	53 of 100 (Notable)
Bergen Op Zoom	Netherlands	Record daily precipitation	28.4 mm (1.1 in)	53 of 100 (Notable)
Tizi Ouzou	Algeria	Record high maximum temperature	41.0 C (105.8 F)	52 of 100 (Notable)
Las Vegas Muni AP	United States	Record daily precipitation	39.1 mm (1.5 in)	51 of 100 (Notable)
Copmanhurst (Stockyard Creek)	Australia	Record daily precipitation	190.2 mm (7.5 in)	50 of 100 (Notable)
Lubbock	United States	Record daily precipitation	86.9 mm (3.4 in)	50 of 100 (Notable)
Carefree	United States	Record daily precipitation	27.9 mm (1.1 in)	48 of 100 (Notable)
Steenbergen (Nb)	Netherlands	Record daily precipitation	26.2 mm (1.0 in)	47 of 100 (Notable)
Elabuga	Russia	Record daily precipitation	31.4 mm (1.2 in)	45 of 100 (Notable)
Girraween Nat Park	Australia	Record daily precipitation	61.0 mm (2.4 in)	44 of 100 (Notable)
Jagdalpur	India	Record daily precipitation	30.0 mm (1.2 in)	44 of 100 (Notable)
Ft Valley	United States	Record high minimum temperature	7.2 C (45.0 F)	44 of 100 (Notable)
Rilland	Netherlands	Record daily precipitation	25.6 mm (1.0 in)	43 of 100 (Notable)
Deeside	Australia	Record daily precipitation	29.0 mm (1.1 in)	42 of 100 (Notable)
Gvasjugi	Russia	Record daily precipitation	37.1 mm (1.5 in)	42 of 100 (Notable)
Red Cloud	United States	Record high maximum temperature	33.9 C (93.0 F)	42 of 100 (Notable)
Innadong	Australia	Record daily precipitation	25.8 mm (1.0 in)	41 of 100 (Notable)
Sonnblick	Austria	Record high minimum temperature	-0.1 C (31.8 F)	41 of 100 (Notable)
Beaver City	United States	Record high maximum temperature	35.6 C (96.1 F)	41 of 100 (Notable)
Basel Binningen	Switzerland	Record high minimum temperature	14.4 C (57.9 F)	40 of 100 (Notable)
Syracuse	United States	Record daily precipitation	37.3 mm (1.5 in)	40 of 100 (Notable)
Elk	United States	Record daily precipitation	27.9 mm (1.1 in)	40 of 100 (Notable)
Escanaba	United States	Record daily precipitation	25.1 mm (1.0 in)	40 of 100 (Notable)
Oberstdorf	Germany	Record high minimum temperature	10.9 C (51.6 F)	39 of 100 (Notable)
Braganca	Portugal	Record daily precipitation	35.1 mm (1.4 in)	39 of 100 (Notable)
Minocqua	United States	Record daily precipitation	27.2 mm (1.1 in)	39 of 100 (Notable)
Ljubljana Bezigrad	Slovenia	Record high minimum temperature	14.2 C (57.6 F)	38 of 100 (Notable)
Montelimar	France	Record high minimum temperature	15.8 C (60.4 F)	36 of 100 (Notable)
Tempe Asu	United States	Record daily precipitation	26.7 mm (1.1 in)	36 of 100 (Notable)
Blairsville Exp STN	United States	Record low minimum temperature	-5.0 C (23.0 F)	36 of 100 (Notable)
Duchesne	United States	Record high minimum temperature	9.4 C (48.9 F)	36 of 100 (Notable)
Colorado Springs Muni AP	United States	Record daily precipitation	32.0 mm (1.3 in)	35 of 100 (Notable)
Hularin	Russia	Record daily precipitation	27.9 mm (1.1 in)	34 of 100 (Routine)
Alpine	United States	Record high maximum temperature	35.6 C (96.1 F)	34 of 100 (Routine)
Yallambie (Mount Auban)	Australia	Record daily precipitation	40.0 mm (1.6 in)	33 of 100 (Routine)
Menorca/Mao	Spain	Record high maximum temperature	30.4 C (86.7 F)	33 of 100 (Routine)
Alger-Dar El Beida	Algeria	Record high maximum temperature	40.6 C (105.1 F)	32 of 100 (Routine)
Brookville	United States	Record daily precipitation	32.0 mm (1.3 in)	32 of 100 (Routine)
Grand Marais	United States	Record high maximum temperature	23.9 C (75.0 F)	32 of 100 (Routine)
Skikda	Algeria	Record high minimum temperature	22.1 C (71.8 F)	31 of 100 (Routine)
Burukan	Russia	Record daily precipitation	26.9 mm (1.1 in)	31 of 100 (Routine)
Reus/Aeropuerto	Spain	Record high minimum temperature	16.4 C (61.5 F)	31 of 100 (Routine)
Smith Ctr	United States	Record high maximum temperature	33.9 C (93.0 F)	31 of 100 (Routine)
Farmington	United States	Record high maximum temperature	33.9 C (93.0 F)	31 of 100 (Routine)
Ech Cheliff	Algeria	Record high maximum temperature	41.3 C (106.3 F)	30 of 100 (Routine)
Terminillo Mountain	Italy	Record high maximum temperature	19.1 C (66.4 F)	30 of 100 (Routine)
Sutur	Russia	Record daily precipitation	29.0 mm (1.1 in)	30 of 100 (Routine)
Sosunovo	Russia	Record daily precipitation	48.0 mm (1.9 in)	30 of 100 (Routine)
Hebron	United States	Record high maximum temperature	32.8 C (91.0 F)	30 of 100 (Routine)
Pearce - Sunsites	United States	Record high minimum temperature	13.3 C (55.9 F)	29 of 100 (Routine)
Superior	United States	Record high maximum temperature	33.3 C (91.9 F)	29 of 100 (Routine)
Kewaunee	United States	Record high minimum temperature	11.1 C (52.0 F)	29 of 100 (Routine)
Mont-de-Marsan	France	Record high minimum temperature	16.1 C (61.0 F)	28 of 100 (Routine)
Bochum	Germany	Record high minimum temperature	13.0 C (55.4 F)	28 of 100 (Routine)
Kirs	Russia	Record high minimum temperature	13.9 C (57.0 F)	28 of 100 (Routine)
Roosevelt Radio	United States	Record high minimum temperature	10.0 C (50.0 F)	28 of 100 (Routine)

Counts by Type and Timescale

622 records

Records set or tied on 4 May 2015 by type: Highest daily maximum 119, Lowest daily maximum 29, Highest daily minimum 273, Lowest daily minimum 22, Heaviest daily rainfall 177, Deepest snow cover 2.

Records on 4 May 2015 by type
Record type	Records
Highest daily maximum	119
Lowest daily maximum	29
Highest daily minimum	273
Lowest daily minimum	22
Heaviest daily rainfall	177
Heaviest daily snowfall	0
Deepest snow cover	2

Records on 4 May 2015 by timescale: all-time 1, monthly 13, daily 608.

How Much Records Were Beaten By

531 broken records

Margins by which the 531 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 390.0. Ties are not counted.

Top 20 by Significance

4 May 2015

Top 20 records on 4 May 2015 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
4 May 2015	Nimbin Post Office, AU	daily rain	151.6 mm (6.0 in)	68.3 mm (2.7 in)	89 years	70 of 100 (Major)
4 May 2015	Dilia, US	monthly rain	95.3 mm (3.8 in)	44.0 mm (1.7 in)	37 years	68 of 100 (Major)
4 May 2015	Lille-Lesquin, FR	daily rain	34.1 mm (1.3 in)	22.5 mm (0.9 in)	53 years	63 of 100 (Major)
4 May 2015	Dunmore State Forest, AU	daily rain	81.0 mm (3.2 in)	51.0 mm (2.0 in)	50 years	57 of 100 (Notable)
4 May 2015	Tizi Ouzou, DZ	daily high min	20.0 C (68.0 F)	4.0 C (7.2 F)	115 years	53 of 100 (Notable)
4 May 2015	Bergen Op Zoom, NL	daily rain	28.4 mm (1.1 in)	15.4 mm (0.6 in)	48 years	53 of 100 (Notable)
4 May 2015	Tizi Ouzou, DZ	monthly high max	41.0 C (105.8 F)	1.0 C (1.8 F)	122 years	52 of 100 (Notable)
4 May 2015	Las Vegas Muni AP, US	daily rain	39.1 mm (1.5 in)	31.2 mm (1.2 in)	13 years	51 of 100 (Notable)
4 May 2015	Copmanhurst (Stockyard Creek), AU	daily rain	190.2 mm (7.5 in)	150.2 mm (5.9 in)	18 years	50 of 100 (Notable)
4 May 2015	Lubbock, US	daily rain	86.9 mm (3.4 in)	66.1 mm (2.6 in)	13 years	50 of 100 (Notable)
4 May 2015	Carefree, US	monthly rain	27.9 mm (1.1 in)	10.1 mm (0.4 in)	32 years	48 of 100 (Notable)
4 May 2015	Steenbergen (Nb), NL	daily rain	26.2 mm (1.0 in)	12.7 mm (0.5 in)	48 years	47 of 100 (Notable)
4 May 2015	Elabuga, RU	daily rain	31.4 mm (1.2 in)	13.6 mm (0.5 in)	54 years	45 of 100 (Notable)
4 May 2015	Girraween Nat Park, AU	daily rain	61.0 mm (2.4 in)	44.0 mm (1.7 in)	12 years	44 of 100 (Notable)
4 May 2015	Jagdalpur, IN	daily rain	30.0 mm (1.2 in)	4.6 mm (0.18 in)	100 years	44 of 100 (Notable)
4 May 2015	Ft Valley, US	daily high min	7.2 C (45.0 F)	2.8 C (5.0 F)	89 years	44 of 100 (Notable)
4 May 2015	Rilland, NL	daily rain	25.6 mm (1.0 in)	11.1 mm (0.4 in)	49 years	43 of 100 (Notable)
4 May 2015	Deeside, AU	daily rain	29.0 mm (1.1 in)	6.1 mm (0.24 in)	85 years	42 of 100 (Notable)
4 May 2015	Gvasjugi, RU	daily rain	37.1 mm (1.5 in)	11.9 mm (0.5 in)	54 years	42 of 100 (Notable)
4 May 2015	Red Cloud, US	daily high max	33.9 C (93.0 F)	1.7 C (3.1 F)	105 years	42 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 2015

Records set or tied on this calendar date in each year from 1795 to 2015. 2015 had 622 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 2015-05-04: 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 50	526
50 to 100	3
100 to 150	0
150 to 200	1
200 to 250	0
250 to 300	0
300 to 350	0
350 to 400	1