Weather Records on 13 May 1970

723 weather records were set or tied worldwide on 13 May 1970. Highest significance: Mt Carroll, US.

Key Facts for 13 May 1970

On 13 May 1970, 723 weather records were set or tied at long-record stations worldwide.
156 were record highs and 158 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 18 monthly and 704 daily.
Mt Carroll set a daily record precipitation of 73.7 mm (2.9 in) on 13 May 1970.
Across 164 earlier years (1794 to 2026) the same calendar date averaged 446 records.

Record Map

723 stations

723 station records on 13 May 1970 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 13 May 1970: highest significance records shown on the map
Station	Country	Type	Value	Significance
Mt Carroll	United States	Record daily precipitation	73.7 mm (2.9 in)	67 of 100 (Major)
Geneseo	United States	Record daily precipitation	77.5 mm (3.1 in)	65 of 100 (Major)
Maraisburg (Gm)	South Africa	Record daily precipitation	50.5 mm (2.0 in)	63 of 100 (Major)
Jhb-Joubert Park	South Africa	Record daily precipitation	48.0 mm (1.9 in)	63 of 100 (Major)
Jhb-Braamfontein (Cem)	South Africa	Record daily precipitation	47.0 mm (1.9 in)	62 of 100 (Major)
Monticello	United States	Record daily precipitation	88.6 mm (3.5 in)	60 of 100 (Major)
Delaware 3 WSW	United States	Record daily precipitation	59.7 mm (2.4 in)	60 of 100 (Major)
Benfontein	South Africa	Record daily precipitation	38.5 mm (1.5 in)	59 of 100 (Notable)
Kankakee 3 SW	United States	Record daily precipitation	101.6 mm (4.0 in)	59 of 100 (Notable)
Glen Agr. College,Bfn.	South Africa	Record daily precipitation	35.0 mm (1.4 in)	57 of 100 (Notable)
Jhb-Turffontein	South Africa	Record daily precipitation	44.0 mm (1.7 in)	57 of 100 (Notable)
Sumiha	Russia	Record daily precipitation	44.1 mm (1.7 in)	56 of 100 (Notable)
Jhb-Norwood	South Africa	Record daily precipitation	45.0 mm (1.8 in)	56 of 100 (Notable)
Barkly West (Tnk)	South Africa	Record daily precipitation	34.5 mm (1.4 in)	55 of 100 (Notable)
Klipfontein	South Africa	Record daily precipitation	40.0 mm (1.6 in)	54 of 100 (Notable)
Rochelle 6 NW	United States	Record daily precipitation	56.9 mm (2.2 in)	54 of 100 (Notable)
Jhb-Royal Golf Club	South Africa	Record daily precipitation	43.5 mm (1.7 in)	53 of 100 (Notable)
Waterkloof	South Africa	Record daily precipitation	45.3 mm (1.8 in)	53 of 100 (Notable)
Upper Sandusky	United States	Record daily precipitation	52.1 mm (2.1 in)	53 of 100 (Notable)
Hex Krantz	South Africa	Record daily precipitation	44.0 mm (1.7 in)	52 of 100 (Notable)
Dixon Wwtp	United States	Record daily precipitation	53.1 mm (2.1 in)	52 of 100 (Notable)
Fowler	United States	Record daily precipitation	70.9 mm (2.8 in)	52 of 100 (Notable)
Watseka Public Works	United States	Record daily precipitation	95.3 mm (3.8 in)	51 of 100 (Notable)
Zwartruggens (Pol)	South Africa	Record daily precipitation	30.0 mm (1.2 in)	50 of 100 (Notable)
Paw Paw 2S	United States	Record daily precipitation	58.4 mm (2.3 in)	50 of 100 (Notable)
Tamenlong	India	Record daily precipitation	180.0 mm (7.1 in)	49 of 100 (Notable)
Darlington Wwtp	United States	Record daily precipitation	44.7 mm (1.8 in)	49 of 100 (Notable)
Angola	United States	Record daily precipitation	50.3 mm (2.0 in)	48 of 100 (Notable)
Plymouth Pwr Substn	United States	Record daily precipitation	57.4 mm (2.3 in)	48 of 100 (Notable)
Wauseon Wtp	United States	Record daily precipitation	56.9 mm (2.2 in)	48 of 100 (Notable)
Olyfenfontein	South Africa	Record daily precipitation	35.5 mm (1.4 in)	47 of 100 (Notable)
Jhb-Zoological Garden	South Africa	Record daily precipitation	40.0 mm (1.6 in)	47 of 100 (Notable)
Oliphantspoort	South Africa	Record daily precipitation	35.0 mm (1.4 in)	47 of 100 (Notable)
Toledo 3N	United States	Record daily precipitation	56.9 mm (2.2 in)	47 of 100 (Notable)
Mankayane	Swaziland	Record daily precipitation	45.5 mm (1.8 in)	47 of 100 (Notable)
Aledo	United States	Record daily precipitation	48.3 mm (1.9 in)	46 of 100 (Notable)
Spencer 1 N	United States	Record daily precipitation	41.9 mm (1.6 in)	46 of 100 (Notable)
Kentville Cda	Canada	Record daily precipitation	41.1 mm (1.6 in)	45 of 100 (Notable)
Rosherville (Pow)	South Africa	Record daily precipitation	32.8 mm (1.3 in)	45 of 100 (Notable)
Stoughton Wwtp	United States	Record daily precipitation	54.6 mm (2.1 in)	45 of 100 (Notable)
Brocken	Germany	Record snow depth	155.0 cm (61.0 in)	43 of 100 (Notable)
Nkhota Kota	Malawi	Record daily precipitation	52.6 mm (2.1 in)	43 of 100 (Notable)
Florisbad	South Africa	Record daily precipitation	34.5 mm (1.4 in)	43 of 100 (Notable)
Humboldt 3 W	United States	Record daily precipitation	38.1 mm (1.5 in)	43 of 100 (Notable)
Independence	United States	Record daily precipitation	42.9 mm (1.7 in)	43 of 100 (Notable)
Cheljabinsk-Balandi	Russia	Record daily precipitation	35.0 mm (1.4 in)	42 of 100 (Notable)
Nelsdrift	South Africa	Record daily precipitation	26.5 mm (1.0 in)	42 of 100 (Notable)
Streator 2SE	United States	Record daily precipitation	40.1 mm (1.6 in)	42 of 100 (Notable)
Waukegan	United States	Record daily precipitation	44.7 mm (1.8 in)	42 of 100 (Notable)
Davenport L&D 15	United States	Record daily precipitation	45.7 mm (1.8 in)	42 of 100 (Notable)
Anamosa 1 WNW	United States	Record daily precipitation	61.0 mm (2.4 in)	41 of 100 (Notable)
Findlay Wpcc	United States	Record daily precipitation	59.4 mm (2.3 in)	41 of 100 (Notable)
Platteville	United States	Record daily precipitation	59.7 mm (2.4 in)	41 of 100 (Notable)
Schmidtsdrif	South Africa	Record daily precipitation	45.5 mm (1.8 in)	40 of 100 (Notable)
Klipspruit (Pur)	South Africa	Record daily precipitation	31.0 mm (1.2 in)	40 of 100 (Notable)
Antioch	United States	Record daily precipitation	48.3 mm (1.9 in)	40 of 100 (Notable)
Elkader 6 SSW	United States	Record daily precipitation	36.1 mm (1.4 in)	40 of 100 (Notable)
Maquoketa	United States	Record daily precipitation	42.4 mm (1.7 in)	40 of 100 (Notable)
Bowling Green Wwtp	United States	Record daily precipitation	51.8 mm (2.0 in)	40 of 100 (Notable)
Algona	United States	Record daily precipitation	50.8 mm (2.0 in)	39 of 100 (Notable)

Counts by Type and Timescale

723 records

Records set or tied on 13 May 1970 by type: Highest daily maximum 45, Lowest daily maximum 110, Highest daily minimum 111, Lowest daily minimum 48, Heaviest daily rainfall 395, Heaviest daily snowfall 10, Deepest snow cover 4.

Records on 13 May 1970 by type
Record type	Records
Highest daily maximum	45
Lowest daily maximum	110
Highest daily minimum	111
Lowest daily minimum	48
Heaviest daily rainfall	395
Heaviest daily snowfall	10
Deepest snow cover	4

Records on 13 May 1970 by timescale: all-time 1, monthly 18, daily 704.

How Much Records Were Beaten By

625 broken records

Margins by which the 625 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 1050.0. Ties are not counted.

Top 20 by Significance

13 May 1970

Top 20 records on 13 May 1970 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
13 May 1970	Mt Carroll, US	daily rain	73.7 mm (2.9 in)	52.4 mm (2.1 in)	68 years	67 of 100 (Major)
13 May 1970	Geneseo, US	daily rain	77.5 mm (3.1 in)	46.8 mm (1.8 in)	60 years	65 of 100 (Major)
13 May 1970	Maraisburg (Gm), ZA	daily rain	50.5 mm (2.0 in)	34.5 mm (1.4 in)	57 years	63 of 100 (Major)
13 May 1970	Jhb-Joubert Park, ZA	daily rain	48.0 mm (1.9 in)	33.5 mm (1.3 in)	57 years	63 of 100 (Major)
13 May 1970	Jhb-Braamfontein (Cem), ZA	daily rain	47.0 mm (1.9 in)	33.3 mm (1.3 in)	57 years	62 of 100 (Major)
13 May 1970	Monticello, US	daily rain	88.6 mm (3.5 in)	43.6 mm (1.7 in)	49 years	60 of 100 (Major)
13 May 1970	Delaware 3 WSW, US	daily rain	59.7 mm (2.4 in)	40.9 mm (1.6 in)	73 years	60 of 100 (Major)
13 May 1970	Benfontein, ZA	daily rain	38.5 mm (1.5 in)	38.0 mm (1.5 in)	47 years	59 of 100 (Notable)
13 May 1970	Kankakee 3 SW, US	daily rain	101.6 mm (4.0 in)	66.0 mm (2.6 in)	49 years	59 of 100 (Notable)
13 May 1970	Glen Agr. College,Bfn., ZA	daily rain	35.0 mm (1.4 in)	25.9 mm (1.0 in)	47 years	57 of 100 (Notable)
13 May 1970	Jhb-Turffontein, ZA	daily rain	44.0 mm (1.7 in)	38.2 mm (1.5 in)	37 years	57 of 100 (Notable)
13 May 1970	Sumiha, RU	monthly rain	44.1 mm (1.7 in)	15.3 mm (0.6 in)	28 years	56 of 100 (Notable)
13 May 1970	Jhb-Norwood, ZA	daily rain	45.0 mm (1.8 in)	39.7 mm (1.6 in)	37 years	56 of 100 (Notable)
13 May 1970	Barkly West (Tnk), ZA	daily rain	34.5 mm (1.4 in)	25.6 mm (1.0 in)	47 years	55 of 100 (Notable)
13 May 1970	Klipfontein, ZA	daily rain	40.0 mm (1.6 in)	36.4 mm (1.4 in)	37 years	54 of 100 (Notable)
13 May 1970	Rochelle 6 NW, US	daily rain	56.9 mm (2.2 in)	47.0 mm (1.9 in)	35 years	54 of 100 (Notable)
13 May 1970	Jhb-Royal Golf Club, ZA	daily rain	43.5 mm (1.7 in)	38.4 mm (1.5 in)	37 years	53 of 100 (Notable)
13 May 1970	Waterkloof, ZA	daily rain	45.3 mm (1.8 in)	36.4 mm (1.4 in)	49 years	53 of 100 (Notable)
13 May 1970	Upper Sandusky, US	daily rain	52.1 mm (2.1 in)	33.8 mm (1.3 in)	36 years	53 of 100 (Notable)
13 May 1970	Hex Krantz, ZA	daily rain	44.0 mm (1.7 in)	40.2 mm (1.6 in)	37 years	52 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

1794 to 1970

Records set or tied on this calendar date in each year from 1794 to 1970. 1970 had 723 records.

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

Records on 05-13 in each year
Year	Records
1794	1
1799	1
1806	1
1811	1
1814	1
1816	1
1820	1
1833	1
1834	1
1842	1
1848	2
1851	1
1859	1
1860	2
1866	1
1867	1
1868	1
1876	1
1877	1
1878	1
1879	3
1881	4
1882	2
1883	2
1884	1
1885	3
1886	4
1887	1
1889	1
1890	2
1891	2
1893	1
1894	3
1895	5
1896	7
1897	6
1898	2
1899	2
1900	6
1901	5
1902	6
1903	4
1904	14
1905	16
1906	31
1907	25
1908	26
1909	10
1910	24
1911	22
1912	51
1913	50
1914	118
1915	133
1916	39
1917	91
1918	208
1919	37
1920	34
1921	62
1922	45
1923	140
1924	97
1925	130
1926	101
1927	165
1928	227
1929	145
1930	197
1931	386
1932	268
1933	709
1934	263
1935	319
1936	319
1937	186
1938	443
1939	309
1940	495
1941	662
1942	650
1943	605
1944	369
1945	507
1946	349
1947	299
1948	382
1949	462
1950	331
1951	538
1952	412
1953	1,053
1954	311
1955	502
1956	1,420
1957	481
1958	632
1959	592
1960	1,466
1961	556
1962	978
1963	451
1964	469
1965	266
1966	683
1967	609
1968	975
1969	663
1970	723
1971	843
1972	444
1973	546
1974	1,122
1975	381
1976	549
1977	834
1978	932
1979	633
1980	563
1981	469
1982	953
1983	1,041
1984	1,005
1985	939
1986	776
1987	1,101
1988	876
1989	669
1990	719
1991	1,046
1992	962
1993	950
1994	620
1995	1,883
1996	1,980
1997	1,113
1998	1,402
1999	727
2000	1,197
2001	1,142
2002	1,225
2003	695
2004	1,328
2005	889
2006	777
2007	655
2008	663
2009	690
2010	1,362
2011	715
2012	732
2013	1,051
2014	979
2015	632
2016	385
2017	572
2018	949
2019	524
2020	894
2021	656
2022	1,727
2023	550
2024	488
2025	887
2026	1,027

Download the Data

Data for records on 1970-05-13: 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 200	624
200 to 400	0
400 to 600	0
600 to 800	0
800 to 1000	0
1000 to 1200	1