Weather Records on 3 May 1978

1,046 weather records were set or tied worldwide on 3 May 1978. Highest significance: Araci, BR.

Key Facts for 3 May 1978

On 3 May 1978, 1,046 weather records were set or tied at long-record stations worldwide.
77 were record highs and 531 were record lows, counting maximum and minimum temperature.
By timescale, 5 were all-time records, 144 monthly and 897 daily.
Araci set an all-time record daily precipitation of 220.0 mm (8.7 in) on 3 May 1978.
Across 168 earlier years (1795 to 2026) the same calendar date averaged 430 records.

Record Map

1,046 stations

1,046 station records on 3 May 1978 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 3 May 1978: highest significance records shown on the map
Station	Country	Type	Value	Significance
Araci	Brazil	Record daily precipitation	220.0 mm (8.7 in)	74 of 100 (Major)
Frederick	United States	Record daily precipitation	88.6 mm (3.5 in)	69 of 100 (Major)
Stratford	United States	Record daily snowfall	30.5 cm (12.0 in)	68 of 100 (Major)
Boise City 2 E	United States	Record daily snowfall	30.5 cm (12.0 in)	64 of 100 (Major)
Salekhard	Russia	Record daily precipitation	25.5 mm (1.0 in)	61 of 100 (Major)
Covington 8 WNW	United States	Record daily precipitation	129.5 mm (5.1 in)	61 of 100 (Major)
Chernivtsi	Ukraine	Record daily precipitation	79.1 mm (3.1 in)	60 of 100 (Major)
Springfield	United States	Record daily snowfall	16.5 cm (6.5 in)	60 of 100 (Major)
Stratford	United States	Record snow depth	25.4 cm (10.0 in)	60 of 100 (Major)
Oeiras	Brazil	Record daily precipitation	53.0 mm (2.1 in)	58 of 100 (Notable)
New Orleans Jefferson	United States	Record daily precipitation	216.4 mm (8.5 in)	58 of 100 (Notable)
Regnier	United States	Record daily snowfall	15.2 cm (6.0 in)	58 of 100 (Notable)
Whiting Fld NAS	United States	Record daily precipitation	145.3 mm (5.7 in)	58 of 100 (Notable)
Gulfport Naval Ctr	United States	Record daily precipitation	219.7 mm (8.6 in)	57 of 100 (Notable)
Hartley 4 ESE	United States	Record daily snowfall	15.2 cm (6.0 in)	57 of 100 (Notable)
Acude Rio Do Peixe	Brazil	Record daily precipitation	28.2 mm (1.1 in)	56 of 100 (Notable)
Tucano	Brazil	Record daily precipitation	96.2 mm (3.8 in)	56 of 100 (Notable)
Conlen	United States	Record daily snowfall	26.9 cm (10.6 in)	56 of 100 (Notable)
Perryton	United States	Record daily snowfall	8.9 cm (3.5 in)	56 of 100 (Notable)
New Orleans Algiers	United States	Record daily precipitation	248.4 mm (9.8 in)	55 of 100 (Notable)
Cimarron 4 SW	United States	Record daily precipitation	51.1 mm (2.0 in)	55 of 100 (Notable)
Pasamonte	United States	Record daily snowfall	25.4 cm (10.0 in)	55 of 100 (Notable)
Boise City 2 E	United States	Record snow depth	30.5 cm (12.0 in)	55 of 100 (Notable)
New Orleans Audubon	United States	Record daily precipitation	236.5 mm (9.3 in)	55 of 100 (Notable)
Inga	Brazil	Record daily precipitation	59.0 mm (2.3 in)	54 of 100 (Notable)
New Orleans WSO City	United States	Record daily precipitation	229.1 mm (9.0 in)	54 of 100 (Notable)
Ia?U	Brazil	Record daily precipitation	106.5 mm (4.2 in)	53 of 100 (Notable)
Petropavlovsk-Kamchatskij	Russia	Record daily precipitation	37.0 mm (1.5 in)	53 of 100 (Notable)
Hattiesburg 5SW	United States	Record daily precipitation	124.7 mm (4.9 in)	53 of 100 (Notable)
Contendas Do Sincora	Brazil	Record daily precipitation	44.2 mm (1.7 in)	51 of 100 (Notable)
Maxwell 3 NW	United States	Record daily snowfall	25.4 cm (10.0 in)	51 of 100 (Notable)
Gruver	United States	Record daily snowfall	14.0 cm (5.5 in)	51 of 100 (Notable)
Ormley	Australia	Record daily precipitation	78.6 mm (3.1 in)	50 of 100 (Notable)
Santa Ines	Brazil	Record daily precipitation	30.2 mm (1.2 in)	50 of 100 (Notable)
Casa Nova	Brazil	Record daily precipitation	39.2 mm (1.5 in)	50 of 100 (Notable)
Healdsburg	United States	Record high minimum temperature	16.1 C (61.0 F)	50 of 100 (Notable)
Biloxi	United States	Record daily precipitation	160.8 mm (6.3 in)	50 of 100 (Notable)
Picayune	United States	Record daily precipitation	174.0 mm (6.9 in)	50 of 100 (Notable)
Waynesboro 2 W	United States	Record daily precipitation	86.9 mm (3.4 in)	50 of 100 (Notable)
Bay Saint Louis	United States	Record daily precipitation	183.4 mm (7.2 in)	49 of 100 (Notable)
Perryton	United States	Record snow depth	10.2 cm (4.0 in)	48 of 100 (Notable)
Wellington	United States	Record daily precipitation	58.4 mm (2.3 in)	48 of 100 (Notable)
Springer	United States	Record daily snowfall	7.6 cm (3.0 in)	47 of 100 (Notable)
Abernathy	United States	Record daily precipitation	47.0 mm (1.9 in)	47 of 100 (Notable)
Santo Antonio (Pcd)	Brazil	Record daily precipitation	54.6 mm (2.1 in)	46 of 100 (Notable)
Machado Portela (Juraci)	Brazil	Record daily precipitation	57.8 mm (2.3 in)	46 of 100 (Notable)
Elkhart	United States	Record daily snowfall	10.9 cm (4.3 in)	46 of 100 (Notable)
Richfield	United States	Record daily snowfall	10.2 cm (4.0 in)	46 of 100 (Notable)
Dumas	United States	Record daily snowfall	10.2 cm (4.0 in)	46 of 100 (Notable)
Northfield	United States	Record daily precipitation	63.5 mm (2.5 in)	46 of 100 (Notable)
Cansan?Ao	Brazil	Record daily precipitation	33.6 mm (1.3 in)	45 of 100 (Notable)
Ternopil	Ukraine	Record daily precipitation	38.5 mm (1.5 in)	45 of 100 (Notable)
New Orleans Wtp	United States	Record daily precipitation	243.1 mm (9.6 in)	45 of 100 (Notable)
New Orleans D P S 5	United States	Record daily precipitation	162.6 mm (6.4 in)	45 of 100 (Notable)
Valmora	United States	Record snow depth	25.4 cm (10.0 in)	45 of 100 (Notable)
Spearman	United States	Record daily snowfall	6.4 cm (2.5 in)	44 of 100 (Notable)
Clayton Muni Air Pk	United States	Record low maximum temperature	3.9 C (39.0 F)	44 of 100 (Notable)
Pedra Lavrada	Brazil	Record daily precipitation	33.7 mm (1.3 in)	43 of 100 (Notable)
Trinidad	United States	Record daily snowfall	15.2 cm (6.0 in)	43 of 100 (Notable)
Troy 1 SE	United States	Record daily snowfall	20.3 cm (8.0 in)	43 of 100 (Notable)

Counts by Type and Timescale

1,046 records

Records set or tied on 3 May 1978 by type: Highest daily maximum 29, Lowest daily maximum 307, Highest daily minimum 48, Lowest daily minimum 224, Heaviest daily rainfall 365, Heaviest daily snowfall 46, Deepest snow cover 27.

Records on 3 May 1978 by type
Record type	Records
Highest daily maximum	29
Lowest daily maximum	307
Highest daily minimum	48
Lowest daily minimum	224
Heaviest daily rainfall	365
Heaviest daily snowfall	46
Deepest snow cover	27

Records on 3 May 1978 by timescale: all-time 5, monthly 144, daily 897.

How Much Records Were Beaten By

849 broken records

Margins by which the 849 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 305.0. Ties are not counted.

Top 20 by Significance

3 May 1978

Top 20 records on 3 May 1978 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
3 May 1978	Araci, BR	all-time rain	220.0 mm (8.7 in)	74.0 mm (2.9 in)	28 years	74 of 100 (Major)
3 May 1978	Frederick, US	daily rain	88.6 mm (3.5 in)	70.8 mm (2.8 in)	73 years	69 of 100 (Major)
3 May 1978	Stratford, US	monthly snowfall	30.5 cm (12.0 in)	29.2 cm (11.5 in)	42 years	68 of 100 (Major)
3 May 1978	Boise City 2 E, US	monthly snowfall	30.5 cm (12.0 in)	22.9 cm (9.0 in)	24 years	64 of 100 (Major)
3 May 1978	Salekhard, RU	daily rain	25.5 mm (1.0 in)	20.1 mm (0.8 in)	43 years	61 of 100 (Major)
3 May 1978	Covington 8 WNW, US	daily rain	129.5 mm (5.1 in)	71.8 mm (2.8 in)	65 years	61 of 100 (Major)
3 May 1978	Chernivtsi, UA	monthly rain	79.1 mm (3.1 in)	42.5 mm (1.7 in)	23 years	60 of 100 (Major)
3 May 1978	Springfield, US	monthly snowfall	16.5 cm (6.5 in)	14.0 cm (5.5 in)	49 years	60 of 100 (Major)
3 May 1978	Stratford, US	monthly snow depth	25.4 cm (10.0 in)	25.4 cm (10.0 in)	66 years	60 of 100 (Major)
3 May 1978	Oeiras, BR	daily rain	53.0 mm (2.1 in)	40.8 mm (1.6 in)	43 years	58 of 100 (Notable)
3 May 1978	New Orleans Jefferson, US	monthly rain	216.4 mm (8.5 in)	102.9 mm (4.1 in)	18 years	58 of 100 (Notable)
3 May 1978	Regnier, US	monthly snowfall	15.2 cm (6.0 in)	15.2 cm (6.0 in)	35 years	58 of 100 (Notable)
3 May 1978	Whiting Fld NAS, US	monthly rain	145.3 mm (5.7 in)	66.1 mm (2.6 in)	17 years	58 of 100 (Notable)
3 May 1978	Gulfport Naval Ctr, US	monthly rain	219.7 mm (8.6 in)	98.8 mm (3.9 in)	12 years	57 of 100 (Notable)
3 May 1978	Hartley 4 ESE, US	monthly snowfall	15.2 cm (6.0 in)	15.2 cm (6.0 in)	30 years	57 of 100 (Notable)
3 May 1978	Acude Rio Do Peixe, BR	daily rain	28.2 mm (1.1 in)	20.2 mm (0.8 in)	39 years	56 of 100 (Notable)
3 May 1978	Tucano, BR	monthly rain	96.2 mm (3.8 in)	40.0 mm (1.6 in)	9 years	56 of 100 (Notable)
3 May 1978	Conlen, US	all-time snowfall	26.9 cm (10.6 in)	11.7 cm (4.6 in)	34 years	56 of 100 (Notable)
3 May 1978	Perryton, US	monthly snowfall	8.9 cm (3.5 in)	8.9 cm (3.5 in)	71 years	56 of 100 (Notable)
3 May 1978	New Orleans Algiers, US	all-time rain	248.4 mm (9.8 in)	51.5 mm (2.0 in)	30 years	55 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 1978

Records set or tied on this calendar date in each year from 1795 to 1978. 1978 had 1,046 records.

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

Records on 05-03 in each year
Year	Records
1795	1
1796	1
1799	1
1820	1
1832	1
1836	2
1837	1
1845	1
1849	1
1850	5
1851	2
1852	1
1855	1
1861	1
1864	2
1866	1
1868	1
1869	1
1870	1
1871	1
1873	1
1874	1
1875	1
1877	1
1878	4
1879	2
1881	1
1883	1
1884	1
1885	1
1886	3
1887	3
1888	1
1889	3
1891	2
1892	4
1893	1
1894	4
1896	2
1897	3
1898	5
1899	3
1900	2
1901	4
1902	5
1903	7
1904	7
1905	23
1906	10
1907	25
1908	8
1909	22
1910	17
1911	31
1912	17
1913	125
1914	10
1915	28
1916	52
1917	36
1918	28
1919	77
1920	37
1921	42
1922	292
1923	69
1924	55
1925	126
1926	250
1927	78
1928	255
1929	329
1930	279
1931	141
1932	136
1933	376
1934	353
1935	644
1936	356
1937	240
1938	527
1939	331
1940	550
1941	456
1942	1,161
1943	417
1944	728
1945	486
1946	353
1947	879
1948	919
1949	761
1950	854
1951	336
1952	447
1953	373
1954	1,210
1955	811
1956	590
1957	292
1958	485
1959	817
1960	280
1961	389
1962	243
1963	360
1964	908
1965	372
1966	850
1967	1,122
1968	324
1969	404
1970	464
1971	600
1972	380
1973	486
1974	323
1975	475
1976	760
1977	426
1978	1,046
1979	1,217
1980	573
1981	898
1982	564
1983	1,768
1984	807
1985	1,152
1986	965
1987	1,122
1988	782
1989	563
1990	1,715
1991	987
1992	792
1993	824
1994	703
1995	1,050
1996	1,058
1997	933
1998	910
1999	872
2000	1,056
2001	1,541
2002	1,312
2003	934
2004	1,562
2005	1,570
2006	633
2007	693
2008	981
2009	650
2010	1,565
2011	970
2012	1,318
2013	1,562
2014	553
2015	466
2016	505
2017	458
2018	1,004
2019	562
2020	506
2021	491
2022	570
2023	846
2024	627
2025	475
2026	879

Download the Data

Data for records on 1978-05-03: 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	784
50 to 100	41
100 to 150	14
150 to 200	6
200 to 250	1
250 to 300	2
300 to 350	1