Weather Records on 11 May 1970

764 weather records were set or tied worldwide on 11 May 1970. Highest significance: University, US.

Key Facts for 11 May 1970

On 11 May 1970, 764 weather records were set or tied at long-record stations worldwide.
207 were record highs and 227 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 27 monthly and 736 daily.
University set a monthly record daily precipitation of 165.6 mm (6.5 in) on 11 May 1970.
Across 156 earlier years (1814 to 2026) the same calendar date averaged 461 records.

Record Map

764 stations

764 station records on 11 May 1970 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 11 May 1970: highest significance records shown on the map
Station	Country	Type	Value	Significance
University	United States	Record daily precipitation	165.6 mm (6.5 in)	80 of 100 (Exceptional)
Vouziers	France	Record daily precipitation	40.0 mm (1.6 in)	71 of 100 (Major)
Creighton	United States	Record daily precipitation	77.5 mm (3.1 in)	69 of 100 (Major)
Kaiserslautern	Germany	Record daily precipitation	46.0 mm (1.8 in)	65 of 100 (Major)
Virden	Canada	Record daily snowfall	16.0 cm (6.3 in)	59 of 100 (Notable)
Frankfort	United States	Record daily precipitation	74.7 mm (2.9 in)	59 of 100 (Notable)
Kunzelsau	Germany	Record daily precipitation	40.3 mm (1.6 in)	57 of 100 (Notable)
Karlsruhe	Germany	Record daily precipitation	57.1 mm (2.2 in)	56 of 100 (Notable)
Kaisersbach-Cronhutte	Germany	Record daily precipitation	45.0 mm (1.8 in)	56 of 100 (Notable)
Saint Ignatius	United States	Record daily precipitation	43.7 mm (1.7 in)	55 of 100 (Notable)
Regina Int'l A	Canada	Record daily snowfall	11.7 cm (4.6 in)	54 of 100 (Notable)
New Albany	United States	Record daily precipitation	96.5 mm (3.8 in)	54 of 100 (Notable)
Ohringen	Germany	Record daily precipitation	32.4 mm (1.3 in)	53 of 100 (Notable)
Carlyle	Canada	Record daily snowfall	20.3 cm (8.0 in)	52 of 100 (Notable)
Pontotoc	United States	Record daily precipitation	135.9 mm (5.4 in)	51 of 100 (Notable)
Yellow Grass	Canada	Record daily snowfall	19.1 cm (7.5 in)	48 of 100 (Notable)
Lviv	Ukraine	Record daily precipitation	37.9 mm (1.5 in)	48 of 100 (Notable)
Horton	United States	Record daily precipitation	57.2 mm (2.3 in)	47 of 100 (Notable)
Summit	United States	Record daily precipitation	56.1 mm (2.2 in)	47 of 100 (Notable)
Birtle	Canada	Record daily snowfall	12.2 cm (4.8 in)	46 of 100 (Notable)
Haleyville	United States	Record daily precipitation	58.2 mm (2.3 in)	45 of 100 (Notable)
Deuselbach	Germany	Record daily precipitation	41.9 mm (1.6 in)	44 of 100 (Notable)
Rheinstetten	Germany	Record daily precipitation	85.0 mm (3.3 in)	43 of 100 (Notable)
Konigstuhl	Germany	Record daily precipitation	67.5 mm (2.7 in)	43 of 100 (Notable)
Coleman	Germany	Record daily precipitation	42.3 mm (1.7 in)	43 of 100 (Notable)
Avalon Pleasure Pier	United States	Record low minimum temperature	1.1 C (34.0 F)	42 of 100 (Notable)
Midale	Canada	Record daily snowfall	11.7 cm (4.6 in)	41 of 100 (Notable)
Bernkastel-Kues	Germany	Record daily precipitation	44.8 mm (1.8 in)	41 of 100 (Notable)
Rivers A	Canada	Record daily snowfall	13.2 cm (5.2 in)	40 of 100 (Notable)
Neustadt/Weinstrasse	Germany	Record daily precipitation	27.2 mm (1.1 in)	40 of 100 (Notable)
Blackleaf	United States	Record daily precipitation	31.8 mm (1.3 in)	40 of 100 (Notable)
Centerville 6 SE	United States	Record daily precipitation	39.9 mm (1.6 in)	40 of 100 (Notable)
Brocken	Germany	Record snow depth	170.0 cm (66.9 in)	39 of 100 (Notable)
Munsingen-Apfelstetten	Germany	Record daily precipitation	27.5 mm (1.1 in)	39 of 100 (Notable)
Kulasekarapatnam	India	Record daily precipitation	37.4 mm (1.5 in)	39 of 100 (Notable)
The Hermatige	Australia	Record daily precipitation	31.5 mm (1.2 in)	38 of 100 (Notable)
Cruz Do Espirito Santo	Brazil	Record daily precipitation	63.5 mm (2.5 in)	38 of 100 (Notable)
Bigfork 13 S	United States	Record daily precipitation	40.6 mm (1.6 in)	38 of 100 (Notable)
Gibson Dam	United States	Record daily precipitation	38.9 mm (1.5 in)	38 of 100 (Notable)
Hebgen Dam	United States	Record daily snowfall	22.9 cm (9.0 in)	38 of 100 (Notable)
Holton	United States	Record daily precipitation	53.6 mm (2.1 in)	37 of 100 (Notable)
Seeley Lake Rs	United States	Record daily precipitation	25.1 mm (1.0 in)	37 of 100 (Notable)
Francis	Canada	Record daily snowfall	7.6 cm (3.0 in)	36 of 100 (Notable)
Trier-Zewen	Germany	Record daily precipitation	25.9 mm (1.0 in)	36 of 100 (Notable)
Blankenrath	Germany	Record daily precipitation	33.5 mm (1.3 in)	36 of 100 (Notable)
Lawrence	United States	Record high minimum temperature	17.8 C (64.0 F)	36 of 100 (Notable)
Fulton 3 W	United States	Record daily precipitation	74.2 mm (2.9 in)	36 of 100 (Notable)
Senatobia	United States	Record daily precipitation	64.8 mm (2.6 in)	36 of 100 (Notable)
Weinsberg	Germany	Record daily precipitation	29.0 mm (1.1 in)	35 of 100 (Notable)
Blackleaf	United States	Record daily snowfall	5.1 cm (2.0 in)	35 of 100 (Notable)
Freehold-Marlboro	United States	Record high maximum temperature	33.9 C (93.0 F)	35 of 100 (Notable)
Marquette	United States	Record low maximum temperature	3.3 C (37.9 F)	35 of 100 (Notable)
Ny City Cntrl Park	United States	Record high minimum temperature	20.6 C (69.1 F)	35 of 100 (Notable)
Rems-Murr-Kreis Winterbach	Germany	Record daily precipitation	28.0 mm (1.1 in)	34 of 100 (Routine)
Tamenlong	India	Record daily precipitation	200.0 mm (7.9 in)	34 of 100 (Routine)
Korsakov	Russia	Record daily precipitation	32.5 mm (1.3 in)	34 of 100 (Routine)
Gibson City	United States	Record daily precipitation	52.8 mm (2.1 in)	34 of 100 (Routine)
Hyannis	United States	Record high maximum temperature	26.7 C (80.1 F)	34 of 100 (Routine)
Fort Qu'appelle	Canada	Record daily snowfall	5.1 cm (2.0 in)	33 of 100 (Routine)
Badvel	India	Record daily precipitation	46.2 mm (1.8 in)	33 of 100 (Routine)

Counts by Type and Timescale

764 records

Records set or tied on 11 May 1970 by type: Highest daily maximum 63, Lowest daily maximum 128, Highest daily minimum 144, Lowest daily minimum 99, Heaviest daily rainfall 263, Heaviest daily snowfall 59, Deepest snow cover 8.

Records on 11 May 1970 by type
Record type	Records
Highest daily maximum	63
Lowest daily maximum	128
Highest daily minimum	144
Lowest daily minimum	99
Heaviest daily rainfall	263
Heaviest daily snowfall	59
Deepest snow cover	8

Records on 11 May 1970 by timescale: all-time 1, monthly 27, daily 736.

How Much Records Were Beaten By

615 broken records

Margins by which the 615 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 950.0. Ties are not counted.

Top 20 by Significance

11 May 1970

Top 20 records on 11 May 1970 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
11 May 1970	University, US	monthly rain	165.6 mm (6.5 in)	60.2 mm (2.4 in)	76 years	80 of 100 (Exceptional)
11 May 1970	Vouziers, FR	daily rain	40.0 mm (1.6 in)	23.4 mm (0.9 in)	78 years	71 of 100 (Major)
11 May 1970	Creighton, US	daily rain	77.5 mm (3.1 in)	53.4 mm (2.1 in)	73 years	69 of 100 (Major)
11 May 1970	Kaiserslautern, DE	daily rain	46.0 mm (1.8 in)	28.0 mm (1.1 in)	60 years	65 of 100 (Major)
11 May 1970	Virden, CA	daily snowfall	16.0 cm (6.3 in)	16.0 cm (6.3 in)	64 years	59 of 100 (Notable)
11 May 1970	Frankfort, US	daily rain	74.7 mm (2.9 in)	49.3 mm (1.9 in)	67 years	59 of 100 (Notable)
11 May 1970	Kunzelsau, DE	daily rain	40.3 mm (1.6 in)	24.0 mm (0.9 in)	40 years	57 of 100 (Notable)
11 May 1970	Karlsruhe, DE	monthly rain	57.1 mm (2.2 in)	7.3 mm (0.29 in)	83 years	56 of 100 (Notable)
11 May 1970	Kaisersbach-Cronhutte, DE	daily rain	45.0 mm (1.8 in)	24.0 mm (0.9 in)	40 years	56 of 100 (Notable)
11 May 1970	Saint Ignatius, US	daily rain	43.7 mm (1.7 in)	30.5 mm (1.2 in)	28 years	55 of 100 (Notable)
11 May 1970	Regina Int'l A, CA	daily snowfall	11.7 cm (4.6 in)	10.4 cm (4.1 in)	70 years	54 of 100 (Notable)
11 May 1970	New Albany, US	daily rain	96.5 mm (3.8 in)	85.6 mm (3.4 in)	27 years	54 of 100 (Notable)
11 May 1970	Ohringen, DE	daily rain	32.4 mm (1.3 in)	20.8 mm (0.8 in)	40 years	53 of 100 (Notable)
11 May 1970	Carlyle, CA	daily snowfall	20.3 cm (8.0 in)	19.0 cm (7.5 in)	35 years	52 of 100 (Notable)
11 May 1970	Pontotoc, US	monthly rain	135.9 mm (5.4 in)	31.8 mm (1.3 in)	45 years	51 of 100 (Notable)
11 May 1970	Yellow Grass, CA	monthly snowfall	19.1 cm (7.5 in)	8.9 cm (3.5 in)	51 years	48 of 100 (Notable)
11 May 1970	Lviv, UA	daily rain	37.9 mm (1.5 in)	26.2 mm (1.0 in)	19 years	48 of 100 (Notable)
11 May 1970	Horton, US	daily rain	57.2 mm (2.3 in)	29.8 mm (1.2 in)	61 years	47 of 100 (Notable)
11 May 1970	Summit, US	daily rain	56.1 mm (2.2 in)	40.9 mm (1.6 in)	4 years	47 of 100 (Notable)
11 May 1970	Birtle, CA	daily snowfall	12.2 cm (4.8 in)	11.7 cm (4.6 in)	24 years	46 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

1814 to 1970

Records set or tied on this calendar date in each year from 1814 to 1970. 1970 had 764 records.

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

Records on 05-11 in each year
Year	Records
1814	3
1832	1
1836	3
1837	1
1838	1
1848	2
1856	1
1860	2
1865	1
1867	1
1869	1
1872	1
1874	2
1879	2
1880	1
1881	5
1883	3
1884	2
1885	1
1886	2
1887	1
1888	1
1889	2
1892	1
1893	3
1894	2
1895	4
1896	3
1897	6
1898	5
1900	7
1901	9
1902	6
1903	7
1904	6
1905	12
1906	21
1907	44
1908	9
1909	12
1910	16
1911	99
1912	21
1913	20
1914	20
1915	16
1916	22
1917	40
1918	54
1919	56
1920	181
1921	58
1922	61
1923	111
1924	239
1925	410
1926	472
1927	318
1928	252
1929	126
1930	380
1931	254
1932	170
1933	429
1934	332
1935	276
1936	363
1937	170
1938	141
1939	213
1940	340
1941	411
1942	389
1943	646
1944	408
1945	483
1946	747
1947	480
1948	407
1949	451
1950	285
1951	395
1952	629
1953	686
1954	492
1955	235
1956	942
1957	439
1958	499
1959	575
1960	809
1961	663
1962	670
1963	984
1964	299
1965	356
1966	992
1967	974
1968	909
1969	349
1970	764
1971	565
1972	673
1973	429
1974	795
1975	383
1976	509
1977	836
1978	1,070
1979	1,239
1980	693
1981	1,298
1982	624
1983	930
1984	666
1985	835
1986	684
1987	1,247
1988	485
1989	952
1990	935
1991	990
1992	728
1993	1,088
1994	633
1995	1,244
1996	1,088
1997	1,033
1998	1,315
1999	1,052
2000	1,286
2001	848
2002	845
2003	1,321
2004	834
2005	944
2006	822
2007	833
2008	1,015
2009	605
2010	1,292
2011	1,414
2012	1,181
2013	615
2014	662
2015	1,038
2016	497
2017	546
2018	988
2019	915
2020	1,068
2021	590
2022	1,470
2023	390
2024	579
2025	1,104
2026	797

Download the Data

Data for records on 1970-05-11: 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	614
200 to 400	0
400 to 600	0
600 to 800	0
800 to 1000	1