Weather Records on 1 May 1979

612 weather records were set or tied worldwide on 1 May 1979. Highest significance: Durbanville (Pol), ZA.

Key Facts for 1 May 1979

On 1 May 1979, 612 weather records were set or tied at long-record stations worldwide.
138 were record highs and 242 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 61 monthly and 551 daily.
Durbanville (Pol) set a daily record precipitation of 84.9 mm (3.3 in) on 1 May 1979.
Across 165 earlier years (1795 to 2026) the same calendar date averaged 441 records.

Record Map

612 stations

612 station records on 1 May 1979 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 1 May 1979: highest significance records shown on the map
Station	Country	Type	Value	Significance
Durbanville (Pol)	South Africa	Record daily precipitation	84.9 mm (3.3 in)	69 of 100 (Major)
Heerde	Netherlands	Record daily precipitation	32.1 mm (1.3 in)	57 of 100 (Notable)
Mio Hydro Plt	United States	Record daily snowfall	7.6 cm (3.0 in)	49 of 100 (Notable)
Barton	Australia	Record daily precipitation	26.0 mm (1.0 in)	47 of 100 (Notable)
Scheveningen	Netherlands	Record daily precipitation	40.6 mm (1.6 in)	47 of 100 (Notable)
Oostvoorne	Netherlands	Record daily precipitation	38.8 mm (1.5 in)	42 of 100 (Notable)
Homestead Exp STN	United States	Record daily precipitation	68.1 mm (2.7 in)	41 of 100 (Notable)
Dori	Burkina Faso	Record low maximum temperature	31.0 C (87.8 F)	41 of 100 (Notable)
Nordby (Fano)	Denmark	Record low maximum temperature	6.2 C (43.2 F)	40 of 100 (Notable)
Myklebust I Breim	Norway	Record snow depth	15.0 cm (5.9 in)	40 of 100 (Notable)
Cet Central England	United Kingdom	Record low maximum temperature	8.1 C (46.6 F)	38 of 100 (Notable)
Port Aux Basques	Canada	Record high minimum temperature	6.8 C (44.2 F)	36 of 100 (Notable)
Suassurana	Brazil	Record daily precipitation	75.1 mm (3.0 in)	35 of 100 (Notable)
Paso de la Yesca	Mexico	Record low minimum temperature	12.2 C (54.0 F)	34 of 100 (Routine)
Boskoop	Netherlands	Record daily precipitation	31.3 mm (1.2 in)	34 of 100 (Routine)
Bergschenhoek	Netherlands	Record daily precipitation	33.4 mm (1.3 in)	33 of 100 (Routine)
Delft	Netherlands	Record daily precipitation	38.7 mm (1.5 in)	33 of 100 (Routine)
Zegveld	Netherlands	Record daily precipitation	33.6 mm (1.3 in)	33 of 100 (Routine)
Hallettsville 2 N	United States	Record daily precipitation	53.3 mm (2.1 in)	33 of 100 (Routine)
Fort Huachuca	United States	Record high minimum temperature	16.1 C (61.0 F)	32 of 100 (Routine)
Vestmannaeyjar	Iceland	Record low maximum temperature	-1.5 C (29.3 F)	31 of 100 (Routine)
Amsterdam	Netherlands	Record daily precipitation	25.0 mm (1.0 in)	31 of 100 (Routine)
Williamson	United States	Record low minimum temperature	1.1 C (34.0 F)	31 of 100 (Routine)
Eagle	United States	Record high maximum temperature	18.9 C (66.0 F)	31 of 100 (Routine)
Tashkent	Uzbekistan	Record low maximum temperature	13.5 C (56.3 F)	31 of 100 (Routine)
Hohenpeissenberg	Germany	Record snow depth	10.0 cm (3.9 in)	30 of 100 (Routine)
Eastbourne	United Kingdom	Record low maximum temperature	7.6 C (45.7 F)	30 of 100 (Routine)
Wisley	United Kingdom	Record low maximum temperature	8.2 C (46.8 F)	30 of 100 (Routine)
Stonington	United States	Record daily precipitation	42.2 mm (1.7 in)	30 of 100 (Routine)
La Belle	United States	Record daily precipitation	60.5 mm (2.4 in)	30 of 100 (Routine)
Jardim	Brazil	Record daily precipitation	53.2 mm (2.1 in)	29 of 100 (Routine)
Choiceland	Canada	Record daily snowfall	15.2 cm (6.0 in)	29 of 100 (Routine)
Reykjavik	Iceland	Record low maximum temperature	-2.1 C (28.2 F)	29 of 100 (Routine)
Roelofarendsveen	Netherlands	Record daily precipitation	31.8 mm (1.3 in)	29 of 100 (Routine)
Royal Palm Rs	United States	Record daily precipitation	59.2 mm (2.3 in)	29 of 100 (Routine)
Kokomo 3 WSW	United States	Record low maximum temperature	11.1 C (52.0 F)	29 of 100 (Routine)
Aspermont	United States	Record daily precipitation	45.7 mm (1.8 in)	29 of 100 (Routine)
Adiake	Cote D'Ivoire	Record daily precipitation	74.0 mm (2.9 in)	28 of 100 (Routine)
Belle Glade	United States	Record daily precipitation	35.3 mm (1.4 in)	28 of 100 (Routine)
Pompano Beach	United States	Record low maximum temperature	24.4 C (75.9 F)	28 of 100 (Routine)
Cheboygan	United States	Record low maximum temperature	3.9 C (39.0 F)	28 of 100 (Routine)
Ostrov Sosnovez	Russia	Record high minimum temperature	1.5 C (34.7 F)	27 of 100 (Routine)
Buxton	United Kingdom	Record low maximum temperature	4.5 C (40.1 F)	27 of 100 (Routine)
Payette	United States	Record high minimum temperature	12.2 C (54.0 F)	27 of 100 (Routine)
Huntington	United States	Record high minimum temperature	12.2 C (54.0 F)	27 of 100 (Routine)
Uniao Dos Palmares	Brazil	Record daily precipitation	94.0 mm (3.7 in)	26 of 100 (Routine)
Woodstock	Canada	Record high minimum temperature	9.0 C (48.2 F)	26 of 100 (Routine)
List/Sylt	Germany	Record low minimum temperature	1.0 C (33.8 F)	26 of 100 (Routine)
Acatlan de Osorio (Smn)	Mexico	Record low maximum temperature	25.0 C (77.0 F)	26 of 100 (Routine)
Birni N'Konni	Niger	Record low maximum temperature	32.8 C (91.0 F)	26 of 100 (Routine)
Stamford 1	United States	Record daily precipitation	62.5 mm (2.5 in)	26 of 100 (Routine)
Stehekin 4 NW	United States	Record high maximum temperature	25.6 C (78.1 F)	26 of 100 (Routine)
Fada N'Gourma	Burkina Faso	Record low maximum temperature	27.0 C (80.6 F)	26 of 100 (Routine)
Kalumburu Mission	Australia	Record high maximum temperature	37.8 C (100.0 F)	25 of 100 (Routine)
Fredericton Cda	Canada	Record high minimum temperature	8.5 C (47.3 F)	25 of 100 (Routine)
Cuxhaven	Germany	Record low minimum temperature	0.5 C (32.9 F)	25 of 100 (Routine)
Ohotsk	Russia	Record high maximum temperature	8.2 C (46.8 F)	25 of 100 (Routine)
Calico Rock 2 WSW	United States	Record low minimum temperature	1.1 C (34.0 F)	25 of 100 (Routine)
Putnam	United States	Record daily precipitation	108.7 mm (4.3 in)	25 of 100 (Routine)
Monte Alto	Brazil	Record daily precipitation	68.4 mm (2.7 in)	24 of 100 (Routine)

Counts by Type and Timescale

612 records

Records set or tied on 1 May 1979 by type: Highest daily maximum 38, Lowest daily maximum 144, Highest daily minimum 100, Lowest daily minimum 98, Heaviest daily rainfall 213, Heaviest daily snowfall 6, Deepest snow cover 13.

Records on 1 May 1979 by type
Record type	Records
Highest daily maximum	38
Lowest daily maximum	144
Highest daily minimum	100
Lowest daily minimum	98
Heaviest daily rainfall	213
Heaviest daily snowfall	6
Deepest snow cover	13

Records on 1 May 1979 by timescale: all-time 0, monthly 61, daily 551.

How Much Records Were Beaten By

504 broken records

Margins by which the 504 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 76.0. Ties are not counted.

Top 20 by Significance

1 May 1979

Top 20 records on 1 May 1979 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
1 May 1979	Durbanville (Pol), ZA	daily rain	84.9 mm (3.3 in)	60.5 mm (2.4 in)	72 years	69 of 100 (Major)
1 May 1979	Heerde, NL	daily rain	32.1 mm (1.3 in)	19.5 mm (0.8 in)	40 years	57 of 100 (Notable)
1 May 1979	Mio Hydro Plt, US	daily snowfall	7.6 cm (3.0 in)	7.6 cm (3.0 in)	86 years	49 of 100 (Notable)
1 May 1979	Barton, AU	daily rain	26.0 mm (1.0 in)	22.2 mm (0.9 in)	5 years	47 of 100 (Notable)
1 May 1979	Scheveningen, NL	monthly rain	40.6 mm (1.6 in)	3.8 mm (0.15 in)	63 years	47 of 100 (Notable)
1 May 1979	Oostvoorne, NL	monthly rain	38.8 mm (1.5 in)	6.8 mm (0.27 in)	44 years	42 of 100 (Notable)
1 May 1979	Homestead Exp STN, US	daily rain	68.1 mm (2.7 in)	57.9 mm (2.3 in)	29 years	41 of 100 (Notable)
1 May 1979	Dori, BF	daily low max	31.0 C (87.8 F)	7.4 C (13.3 F)	33 years	41 of 100 (Notable)
1 May 1979	Nordby (Fano), DK	daily low max	6.2 C (43.2 F)	0.2 C (0.4 F)	101 years	40 of 100 (Notable)
1 May 1979	Myklebust I Breim, NO	daily snow depth	15.0 cm (5.9 in)	6.0 cm (2.4 in)	64 years	40 of 100 (Notable)
1 May 1979	Cet Central England, GB	daily low max	8.1 C (46.6 F)	0.6 C (1.1 F)	91 years	38 of 100 (Notable)
1 May 1979	Port Aux Basques, CA	daily high min	6.8 C (44.2 F)	2.9 C (5.2 F)	53 years	36 of 100 (Notable)
1 May 1979	Suassurana, BR	daily rain	75.1 mm (3.0 in)	49.1 mm (1.9 in)	13 years	35 of 100 (Notable)
1 May 1979	Paso de la Yesca, MX	monthly low min	12.2 C (54.0 F)	2.8 C (5.0 F)	27 years	34 of 100 (Routine)
1 May 1979	Boskoop, NL	daily rain	31.3 mm (1.2 in)	14.6 mm (0.6 in)	0 years	34 of 100 (Routine)
1 May 1979	Bergschenhoek, NL	daily rain	33.4 mm (1.3 in)	14.9 mm (0.6 in)	0 years	33 of 100 (Routine)
1 May 1979	Delft, NL	monthly rain	38.7 mm (1.5 in)	3.2 mm (0.13 in)	44 years	33 of 100 (Routine)
1 May 1979	Zegveld, NL	monthly rain	33.6 mm (1.3 in)	2.6 mm (0.10 in)	46 years	33 of 100 (Routine)
1 May 1979	Hallettsville 2 N, US	daily rain	53.3 mm (2.1 in)	23.3 mm (0.9 in)	52 years	33 of 100 (Routine)
1 May 1979	Fort Huachuca, US	daily high min	16.1 C (61.0 F)	0.5 C (0.9 F)	76 years	32 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 1979

Records set or tied on this calendar date in each year from 1795 to 1979. 1979 had 612 records.

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

Records on 05-01 in each year
Year	Records
1795	1
1802	1
1804	1
1814	1
1818	1
1835	1
1836	1
1840	1
1846	2
1847	1
1850	1
1851	1
1857	1
1860	1
1861	1
1864	2
1865	1
1868	2
1872	1
1875	4
1878	2
1879	2
1880	3
1881	2
1884	1
1885	1
1886	2
1887	2
1888	2
1889	3
1890	2
1891	5
1892	6
1893	2
1894	5
1896	1
1897	4
1898	1
1899	8
1900	1
1901	5
1902	7
1903	9
1904	9
1905	13
1906	12
1907	31
1908	20
1909	49
1910	13
1911	22
1912	18
1913	54
1914	23
1915	27
1916	27
1917	37
1918	34
1919	150
1920	186
1921	41
1922	92
1923	64
1924	63
1925	118
1926	500
1927	125
1928	190
1929	142
1930	263
1931	537
1932	220
1933	706
1934	305
1935	276
1936	368
1937	218
1938	304
1939	227
1940	731
1941	333
1942	1,036
1943	526
1944	229
1945	350
1946	415
1947	655
1948	774
1949	405
1950	439
1951	894
1952	557
1953	917
1954	1,506
1955	772
1956	1,106
1957	359
1958	448
1959	764
1960	737
1961	588
1962	615
1963	704
1964	312
1965	360
1966	707
1967	948
1968	426
1969	429
1970	1,075
1971	444
1972	562
1973	841
1974	589
1975	286
1976	673
1977	545
1978	1,202
1979	612
1980	507
1981	1,265
1982	508
1983	1,423
1984	640
1985	789
1986	512
1987	1,098
1988	1,058
1989	949
1990	922
1991	633
1992	1,201
1993	1,101
1994	1,210
1995	1,365
1996	1,439
1997	804
1998	951
1999	932
2000	809
2001	1,106
2002	1,221
2003	964
2004	887
2005	1,320
2006	734
2007	857
2008	979
2009	679
2010	1,151
2011	716
2012	796
2013	976
2014	941
2015	550
2016	844
2017	1,163
2018	519
2019	788
2020	1,099
2021	834
2022	319
2023	912
2024	458
2025	430
2026	623

Download the Data

Data for records on 1979-05-01: 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 10	437
10 to 20	37
20 to 30	14
30 to 40	6
40 to 50	3
50 to 60	3
60 to 70	2
70 to 80	2