Weather Records on 2 May 1970

670 weather records were set or tied worldwide on 2 May 1970. Highest significance: Hakalau 142, US.

Key Facts for 2 May 1970

On 2 May 1970, 670 weather records were set or tied at long-record stations worldwide.
301 were record highs and 212 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 46 monthly and 624 daily.
Hakalau 142 set a daily record precipitation of 161.3 mm (6.4 in) on 2 May 1970.
Across 162 earlier years (1795 to 2026) the same calendar date averaged 460 records.

Record Map

670 stations

670 station records on 2 May 1970 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 2 May 1970: highest significance records shown on the map
Station	Country	Type	Value	Significance
Hakalau 142	United States	Record daily precipitation	161.3 mm (6.4 in)	62 of 100 (Major)
Port Hastings	Canada	Record high maximum temperature	28.3 C (82.9 F)	58 of 100 (Notable)
Naalehu 14	United States	Record daily precipitation	54.6 mm (2.1 in)	55 of 100 (Notable)
Pahala 21	United States	Record daily precipitation	114.8 mm (4.5 in)	55 of 100 (Notable)
Union	United States	Record daily precipitation	129.5 mm (5.1 in)	54 of 100 (Notable)
Brekke I Sogn	Norway	Record snow depth	40.0 cm (15.7 in)	52 of 100 (Notable)
Papaikou 144.1	United States	Record daily precipitation	144.8 mm (5.7 in)	52 of 100 (Notable)
Punaluu 884	United States	Record daily precipitation	75.7 mm (3.0 in)	52 of 100 (Notable)
Altastenberg	Germany	Record snow depth	38.0 cm (15.0 in)	50 of 100 (Notable)
Schierke	Germany	Record snow depth	50.0 cm (19.7 in)	50 of 100 (Notable)
Reit Im Winkl	Germany	Record snow depth	50.0 cm (19.7 in)	49 of 100 (Notable)
Lewisburg Exp STN	United States	Record daily precipitation	89.7 mm (3.5 in)	48 of 100 (Notable)
Mtn View 91	United States	Record daily precipitation	125.7 mm (4.9 in)	46 of 100 (Notable)
Eastport	United States	Record high minimum temperature	9.4 C (48.9 F)	45 of 100 (Notable)
Port Hastings	Canada	Record high minimum temperature	12.2 C (54.0 F)	44 of 100 (Notable)
Sugar Land	United States	Record low maximum temperature	16.1 C (61.0 F)	44 of 100 (Notable)
Armagh	United Kingdom	Record high minimum temperature	11.1 C (52.0 F)	43 of 100 (Notable)
Aquiles Serdan 46	Mexico	Record daily precipitation	26.2 mm (1.0 in)	41 of 100 (Notable)
Carnarvon	South Africa	Record daily precipitation	27.5 mm (1.1 in)	41 of 100 (Notable)
Bay City Wtr Wks	United States	Record low maximum temperature	16.1 C (61.0 F)	41 of 100 (Notable)
Tamenlong	India	Record daily precipitation	130.0 mm (5.1 in)	40 of 100 (Notable)
Oceanside Marina	United States	Record high maximum temperature	28.3 C (82.9 F)	40 of 100 (Notable)
Makaweli 965	United States	Record daily precipitation	55.9 mm (2.2 in)	39 of 100 (Notable)
Grand Coteau	United States	Record low maximum temperature	17.2 C (63.0 F)	38 of 100 (Notable)
Espanola	United States	Record low maximum temperature	6.1 C (43.0 F)	38 of 100 (Notable)
Matehuala (Smn)	Mexico	Record low minimum temperature	5.6 C (42.1 F)	37 of 100 (Notable)
Chicoutimi	Canada	Record high minimum temperature	13.3 C (55.9 F)	36 of 100 (Notable)
Bjelasnica	Bosnia and Herzegovina	Record low maximum temperature	-8.0 C (17.6 F)	35 of 100 (Notable)
Paonia 1SW	United States	Record low minimum temperature	-6.1 C (21.0 F)	35 of 100 (Notable)
Minden	United States	Record low maximum temperature	15.0 C (59.0 F)	35 of 100 (Notable)
Port Aux Basques	Canada	Record high minimum temperature	6.7 C (44.1 F)	34 of 100 (Routine)
Col du Grand St-Bernard	Switzerland	Record low maximum temperature	-3.9 C (25.0 F)	34 of 100 (Routine)
Lynnville 4 SSW	United States	Record daily precipitation	74.4 mm (2.9 in)	34 of 100 (Routine)
Conroe	United States	Record low maximum temperature	18.3 C (64.9 F)	34 of 100 (Routine)
Richmond C/K (Tnk)	South Africa	Record daily precipitation	25.0 mm (1.0 in)	33 of 100 (Routine)
Rosedale	United States	Record low maximum temperature	15.0 C (59.0 F)	33 of 100 (Routine)
Red Lodge	United States	Record snow depth	43.2 cm (17.0 in)	33 of 100 (Routine)
Red Rvr	United States	Record low minimum temperature	-16.7 C (1.9 F)	33 of 100 (Routine)
Everett	United States	Record high maximum temperature	33.3 C (91.9 F)	33 of 100 (Routine)
Kooline	Australia	Record daily precipitation	33.0 mm (1.3 in)	32 of 100 (Routine)
St Andrews	Canada	Record high maximum temperature	21.7 C (71.1 F)	32 of 100 (Routine)
Kleiner Feldberg/Taunus	Germany	Record snow depth	19.0 cm (7.5 in)	32 of 100 (Routine)
Cuatro Cienegas (Smn)	Mexico	Record low maximum temperature	17.8 C (64.0 F)	32 of 100 (Routine)
Astrakan	Russia	Record high minimum temperature	17.8 C (64.0 F)	32 of 100 (Routine)
Gunnison 3SW	United States	Record low minimum temperature	-11.1 C (12.0 F)	32 of 100 (Routine)
Grinnell 3 SW	United States	Record low maximum temperature	8.3 C (46.9 F)	32 of 100 (Routine)
Freiburg	Germany	Record low maximum temperature	8.4 C (47.1 F)	31 of 100 (Routine)
Avalon Pleasure Pier	United States	Record high maximum temperature	29.4 C (84.9 F)	31 of 100 (Routine)
Ft Kent	United States	Record high maximum temperature	28.3 C (82.9 F)	31 of 100 (Routine)
Ft Kent	United States	Record high minimum temperature	10.0 C (50.0 F)	31 of 100 (Routine)
Angleton 2 W	United States	Record low maximum temperature	18.9 C (66.0 F)	31 of 100 (Routine)
Bjelasnica	Bosnia and Herzegovina	Record low minimum temperature	-10.0 C (14.0 F)	30 of 100 (Routine)
Tadoussac	Canada	Record high minimum temperature	11.1 C (52.0 F)	30 of 100 (Routine)
Pointe Au Pere	Canada	Record high minimum temperature	10.0 C (50.0 F)	30 of 100 (Routine)
Elizabeth	United States	Record low maximum temperature	16.1 C (61.0 F)	30 of 100 (Routine)
Houlton	United States	Record high maximum temperature	28.9 C (84.0 F)	30 of 100 (Routine)
Gaspe	Canada	Record high maximum temperature	26.1 C (79.0 F)	29 of 100 (Routine)
Port Aux Basques	Canada	Record high maximum temperature	13.3 C (55.9 F)	29 of 100 (Routine)
Dublin Phoenix Park	Ireland	Record high minimum temperature	11.3 C (52.3 F)	29 of 100 (Routine)
Kunigal	India	Record daily precipitation	52.0 mm (2.0 in)	29 of 100 (Routine)

Counts by Type and Timescale

670 records

Records set or tied on 2 May 1970 by type: Highest daily maximum 149, Lowest daily maximum 102, Highest daily minimum 152, Lowest daily minimum 110, Heaviest daily rainfall 135, Heaviest daily snowfall 6, Deepest snow cover 16.

Records on 2 May 1970 by type
Record type	Records
Highest daily maximum	149
Lowest daily maximum	102
Highest daily minimum	152
Lowest daily minimum	110
Heaviest daily rainfall	135
Heaviest daily snowfall	6
Deepest snow cover	16

Records on 2 May 1970 by timescale: all-time 0, monthly 46, daily 624.

How Much Records Were Beaten By

525 broken records

Margins by which the 525 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 460.0. Ties are not counted.

Top 20 by Significance

2 May 1970

Top 20 records on 2 May 1970 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
2 May 1970	Hakalau 142, US	daily rain	161.3 mm (6.4 in)	103.4 mm (4.1 in)	53 years	62 of 100 (Major)
2 May 1970	Port Hastings, CA	daily high max	28.3 C (82.9 F)	12.2 C (22.0 F)	90 years	58 of 100 (Notable)
2 May 1970	Naalehu 14, US	daily rain	54.6 mm (2.1 in)	30.7 mm (1.2 in)	32 years	55 of 100 (Notable)
2 May 1970	Pahala 21, US	daily rain	114.8 mm (4.5 in)	75.4 mm (3.0 in)	32 years	55 of 100 (Notable)
2 May 1970	Union, US	monthly rain	129.5 mm (5.1 in)	57.4 mm (2.3 in)	3 years	54 of 100 (Notable)
2 May 1970	Brekke I Sogn, NO	daily snow depth	40.0 cm (15.7 in)	40.0 cm (15.7 in)	31 years	52 of 100 (Notable)
2 May 1970	Papaikou 144.1, US	daily rain	144.8 mm (5.7 in)	55.1 mm (2.2 in)	53 years	52 of 100 (Notable)
2 May 1970	Punaluu 884, US	daily rain	75.7 mm (3.0 in)	51.6 mm (2.0 in)	53 years	52 of 100 (Notable)
2 May 1970	Altastenberg, DE	daily snow depth	38.0 cm (15.0 in)	18.0 cm (7.1 in)	48 years	50 of 100 (Notable)
2 May 1970	Schierke, DE	daily snow depth	50.0 cm (19.7 in)	46.0 cm (18.1 in)	8 years	50 of 100 (Notable)
2 May 1970	Reit Im Winkl, DE	monthly snow depth	50.0 cm (19.7 in)	15.0 cm (5.9 in)	0 years	49 of 100 (Notable)
2 May 1970	Lewisburg Exp STN, US	daily rain	89.7 mm (3.5 in)	61.3 mm (2.4 in)	3 years	48 of 100 (Notable)
2 May 1970	Mtn View 91, US	daily rain	125.7 mm (4.9 in)	45.7 mm (1.8 in)	52 years	46 of 100 (Notable)
2 May 1970	Eastport, US	daily high min	9.4 C (48.9 F)	3.8 C (6.8 F)	68 years	45 of 100 (Notable)
2 May 1970	Port Hastings, CA	daily high min	12.2 C (54.0 F)	5.5 C (9.9 F)	75 years	44 of 100 (Notable)
2 May 1970	Sugar Land, US	daily low max	16.1 C (61.0 F)	5.6 C (10.1 F)	63 years	44 of 100 (Notable)
2 May 1970	Armagh, GB	daily high min	11.1 C (52.0 F)	0.9 C (1.6 F)	105 years	43 of 100 (Notable)
2 May 1970	Aquiles Serdan 46, MX	daily rain	26.2 mm (1.0 in)	18.3 mm (0.7 in)	4 years	41 of 100 (Notable)
2 May 1970	Carnarvon, ZA	daily rain	27.5 mm (1.1 in)	20.9 mm (0.8 in)	24 years	41 of 100 (Notable)
2 May 1970	Bay City Wtr Wks, US	monthly low max	16.1 C (61.0 F)	2.8 C (5.0 F)	52 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 1970

Records set or tied on this calendar date in each year from 1795 to 1970. 1970 had 670 records.

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

Records on 05-02 in each year
Year	Records
1795	1
1804	1
1814	1
1835	1
1836	2
1845	1
1846	1
1849	1
1850	2
1852	1
1866	2
1868	2
1874	1
1875	1
1876	1
1877	2
1878	2
1879	1
1881	2
1883	1
1884	2
1885	1
1886	3
1887	1
1888	1
1889	2
1890	1
1891	4
1892	5
1893	1
1894	4
1895	1
1896	4
1897	2
1898	6
1899	9
1900	1
1901	6
1902	5
1903	14
1904	25
1905	19
1906	15
1907	22
1908	11
1909	48
1910	21
1911	34
1912	26
1913	132
1914	33
1915	25
1916	21
1917	52
1918	21
1919	52
1920	73
1921	31
1922	219
1923	58
1924	57
1925	123
1926	323
1927	125
1928	164
1929	336
1930	366
1931	237
1932	113
1933	584
1934	337
1935	509
1936	305
1937	278
1938	411
1939	273
1940	587
1941	510
1942	600
1943	542
1944	727
1945	522
1946	321
1947	794
1948	874
1949	561
1950	651
1951	509
1952	445
1953	1,009
1954	1,317
1955	977
1956	1,261
1957	371
1958	380
1959	1,030
1960	571
1961	670
1962	396
1963	685
1964	656
1965	314
1966	779
1967	1,123
1968	440
1969	338
1970	670
1971	421
1972	336
1973	711
1974	456
1975	337
1976	660
1977	579
1978	976
1979	743
1980	449
1981	1,009
1982	537
1983	1,808
1984	712
1985	1,062
1986	631
1987	763
1988	1,142
1989	1,009
1990	1,567
1991	587
1992	1,014
1993	1,017
1994	937
1995	1,166
1996	1,076
1997	750
1998	1,043
1999	838
2000	931
2001	1,256
2002	1,263
2003	787
2004	1,344
2005	1,785
2006	577
2007	867
2008	963
2009	898
2010	1,629
2011	936
2012	1,103
2013	1,486
2014	696
2015	582
2016	583
2017	601
2018	768
2019	622
2020	798
2021	572
2022	440
2023	951
2024	880
2025	569
2026	765

Download the Data

Data for records on 1970-05-02: 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	516
100 to 200	6
200 to 300	1
300 to 400	0
400 to 500	2