Weather Records on 9 May 1970

372 weather records were set or tied worldwide on 9 May 1970. Highest significance: Montelimar, FR.

Key Facts for 9 May 1970

On 9 May 1970, 372 weather records were set or tied at long-record stations worldwide.
103 were record highs and 75 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 7 monthly and 365 daily.
Montelimar set a daily record precipitation of 60.9 mm (2.4 in) on 9 May 1970.
Across 166 earlier years (1793 to 2026) the same calendar date averaged 433 records.

Record Map

372 stations

372 station records on 9 May 1970 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 9 May 1970: highest significance records shown on the map
Station	Country	Type	Value	Significance
Montelimar	France	Record daily precipitation	60.9 mm (2.4 in)	54 of 100 (Notable)
Minot Exp STN	United States	Record daily precipitation	46.2 mm (1.8 in)	53 of 100 (Notable)
Mine Centre	Canada	Record daily snowfall	10.2 cm (4.0 in)	51 of 100 (Notable)
Canary	United States	Record daily precipitation	57.9 mm (2.3 in)	51 of 100 (Notable)
Max	United States	Record daily precipitation	51.6 mm (2.0 in)	50 of 100 (Notable)
North Bay	Canada	Record daily precipitation	35.6 mm (1.4 in)	48 of 100 (Notable)
Clifton	United States	Record daily precipitation	91.9 mm (3.6 in)	47 of 100 (Notable)
Clay Ctr	United States	Record daily precipitation	67.8 mm (2.7 in)	46 of 100 (Notable)
Brocken	Germany	Record snow depth	200.0 cm (78.7 in)	44 of 100 (Notable)
Porto Novo	Brazil	Record daily precipitation	51.0 mm (2.0 in)	43 of 100 (Notable)
Napier Downs	Australia	Record daily precipitation	33.5 mm (1.3 in)	42 of 100 (Notable)
Amidon	United States	Record daily precipitation	33.0 mm (1.3 in)	41 of 100 (Notable)
Perungalur	India	Record daily precipitation	50.0 mm (2.0 in)	39 of 100 (Notable)
Perumbalur	India	Record daily precipitation	81.4 mm (3.2 in)	37 of 100 (Notable)
Flagstaff (Tnk)	South Africa	Record daily precipitation	40.5 mm (1.6 in)	37 of 100 (Notable)
Crater Lake Nps HQ	United States	Record daily precipitation	37.1 mm (1.5 in)	37 of 100 (Notable)
Chengam	India	Record daily precipitation	43.4 mm (1.7 in)	36 of 100 (Notable)
Chinnar	India	Record daily precipitation	31.7 mm (1.2 in)	34 of 100 (Routine)
Satyamangalam	India	Record daily precipitation	38.2 mm (1.5 in)	34 of 100 (Routine)
Kodanand	India	Record daily precipitation	80.2 mm (3.2 in)	33 of 100 (Routine)
Paarl (Tnk)	South Africa	Record daily precipitation	40.0 mm (1.6 in)	33 of 100 (Routine)
Racine Wwtp	United States	Record high minimum temperature	16.7 C (62.1 F)	33 of 100 (Routine)
Haileybury	Canada	Record daily precipitation	26.4 mm (1.0 in)	32 of 100 (Routine)
Tallakulam	India	Record daily precipitation	55.0 mm (2.2 in)	32 of 100 (Routine)
Tabl.Mtn Molteno Rsv	South Africa	Record daily precipitation	27.0 mm (1.1 in)	32 of 100 (Routine)
Westfield 2 SSE	United States	Record high minimum temperature	18.9 C (66.0 F)	32 of 100 (Routine)
Nominingue	Canada	Record daily precipitation	28.7 mm (1.1 in)	31 of 100 (Routine)
Chamarajnagar	India	Record daily precipitation	39.4 mm (1.6 in)	31 of 100 (Routine)
Aibonito 1 S	Puerto Rico [United States]	Record daily precipitation	58.2 mm (2.3 in)	31 of 100 (Routine)
Cromleigh,Ixopo	South Africa	Record daily precipitation	33.8 mm (1.3 in)	31 of 100 (Routine)
Cramond, Albert Fall	South Africa	Record daily precipitation	40.4 mm (1.6 in)	31 of 100 (Routine)
Rosetown Cda Epf	Canada	Record daily snowfall	7.1 cm (2.8 in)	30 of 100 (Routine)
Cape Agulhas	South Africa	Record daily precipitation	26.0 mm (1.0 in)	30 of 100 (Routine)
Kohala Mis 175.1	United States	Record daily precipitation	30.2 mm (1.2 in)	30 of 100 (Routine)
Emerson	Canada	Record daily precipitation	31.2 mm (1.2 in)	29 of 100 (Routine)
Nelamangala	India	Record daily precipitation	38.1 mm (1.5 in)	28 of 100 (Routine)
Pollachi	India	Record daily precipitation	66.0 mm (2.6 in)	28 of 100 (Routine)
Blue Rapids	United States	Record daily precipitation	54.9 mm (2.2 in)	28 of 100 (Routine)
Frankfort	United States	Record daily precipitation	36.8 mm (1.4 in)	28 of 100 (Routine)
Prentice #2	United States	Record daily precipitation	29.7 mm (1.2 in)	28 of 100 (Routine)
Paonia 1SW	United States	Record low minimum temperature	-2.8 C (27.0 F)	27 of 100 (Routine)
Sidney	United States	Record low maximum temperature	7.2 C (45.0 F)	27 of 100 (Routine)
Oksoey Fyr	Norway	Record high minimum temperature	9.2 C (48.6 F)	26 of 100 (Routine)
Sobolevo	Russia	Record daily precipitation	27.8 mm (1.1 in)	26 of 100 (Routine)
Table.Mtn Platteklip	South Africa	Record daily precipitation	27.5 mm (1.1 in)	26 of 100 (Routine)
Barcelona -Fabra Observatory	Spain	Record daily precipitation	34.1 mm (1.3 in)	26 of 100 (Routine)
Ellensburg	United States	Record low maximum temperature	10.6 C (51.1 F)	26 of 100 (Routine)
Nanaimo Departure Bay	Canada	Record low maximum temperature	8.9 C (48.0 F)	25 of 100 (Routine)
Keremeos	Canada	Record low maximum temperature	12.8 C (55.0 F)	25 of 100 (Routine)
Louisiana Starks Nurse	United States	Record high minimum temperature	18.9 C (66.0 F)	25 of 100 (Routine)
Annur	India	Record daily precipitation	43.0 mm (1.7 in)	24 of 100 (Routine)
Lalgudi	India	Record daily precipitation	39.0 mm (1.5 in)	24 of 100 (Routine)
Inchanga (Sar)	South Africa	Record daily precipitation	35.2 mm (1.4 in)	24 of 100 (Routine)
Huelva	Spain	Record low maximum temperature	16.0 C (60.8 F)	24 of 100 (Routine)
North Bay A	Canada	Record daily precipitation	28.4 mm (1.1 in)	23 of 100 (Routine)
Ceuta (Monte Hacho)	Spain	Record low maximum temperature	12.6 C (54.7 F)	23 of 100 (Routine)
Roseau	United States	Record daily precipitation	27.9 mm (1.1 in)	23 of 100 (Routine)
Piler(Pileru)	India	Record daily precipitation	27.5 mm (1.1 in)	22 of 100 (Routine)
Kundha (Kailkund)	India	Record daily precipitation	26.2 mm (1.0 in)	22 of 100 (Routine)
Pablillo (Smn)	Mexico	Record low minimum temperature	10.0 C (50.0 F)	22 of 100 (Routine)

Counts by Type and Timescale

372 records

Records set or tied on 9 May 1970 by type: Highest daily maximum 26, Lowest daily maximum 47, Highest daily minimum 77, Lowest daily minimum 28, Heaviest daily rainfall 185, Heaviest daily snowfall 7, Deepest snow cover 2.

Records on 9 May 1970 by type
Record type	Records
Highest daily maximum	26
Lowest daily maximum	47
Highest daily minimum	77
Lowest daily minimum	28
Heaviest daily rainfall	185
Heaviest daily snowfall	7
Deepest snow cover	2

Records on 9 May 1970 by timescale: all-time 0, monthly 7, daily 365.

How Much Records Were Beaten By

310 broken records

Margins by which the 310 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 1100.0. Ties are not counted.

Top 20 by Significance

9 May 1970

Top 20 records on 9 May 1970 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
9 May 1970	Montelimar, FR	daily rain	60.9 mm (2.4 in)	48.5 mm (1.9 in)	35 years	54 of 100 (Notable)
9 May 1970	Minot Exp STN, US	daily rain	46.2 mm (1.8 in)	29.7 mm (1.2 in)	43 years	53 of 100 (Notable)
9 May 1970	Mine Centre, CA	daily snowfall	10.2 cm (4.0 in)	10.2 cm (4.0 in)	55 years	51 of 100 (Notable)
9 May 1970	Canary, US	daily rain	57.9 mm (2.3 in)	38.3 mm (1.5 in)	28 years	51 of 100 (Notable)
9 May 1970	Max, US	daily rain	51.6 mm (2.0 in)	40.2 mm (1.6 in)	20 years	50 of 100 (Notable)
9 May 1970	North Bay, CA	daily rain	35.6 mm (1.4 in)	24.4 mm (1.0 in)	9 years	48 of 100 (Notable)
9 May 1970	Clifton, US	daily rain	91.9 mm (3.6 in)	53.0 mm (2.1 in)	20 years	47 of 100 (Notable)
9 May 1970	Clay Ctr, US	daily rain	67.8 mm (2.7 in)	26.7 mm (1.1 in)	64 years	46 of 100 (Notable)
9 May 1970	Brocken, DE	daily snow depth	200.0 cm (78.7 in)	110.0 cm (43.3 in)	3 years	44 of 100 (Notable)
9 May 1970	Porto Novo, BR	monthly rain	51.0 mm (2.0 in)	23.0 mm (0.9 in)	24 years	43 of 100 (Notable)
9 May 1970	Napier Downs, AU	daily rain	33.5 mm (1.3 in)	33.5 mm (1.3 in)	56 years	42 of 100 (Notable)
9 May 1970	Amidon, US	daily rain	33.0 mm (1.3 in)	17.8 mm (0.7 in)	43 years	41 of 100 (Notable)
9 May 1970	Perungalur, IN	daily rain	50.0 mm (2.0 in)	50.0 mm (2.0 in)	32 years	39 of 100 (Notable)
9 May 1970	Perumbalur, IN	daily rain	81.4 mm (3.2 in)	38.5 mm (1.5 in)	13 years	37 of 100 (Notable)
9 May 1970	Flagstaff (Tnk), ZA	daily rain	40.5 mm (1.6 in)	27.8 mm (1.1 in)	47 years	37 of 100 (Notable)
9 May 1970	Crater Lake Nps HQ, US	daily rain	37.1 mm (1.5 in)	26.4 mm (1.0 in)	3 years	37 of 100 (Notable)
9 May 1970	Chengam, IN	daily rain	43.4 mm (1.7 in)	25.6 mm (1.0 in)	51 years	36 of 100 (Notable)
9 May 1970	Chinnar, IN	daily rain	31.7 mm (1.2 in)	19.0 mm (0.7 in)	41 years	34 of 100 (Routine)
9 May 1970	Satyamangalam, IN	daily rain	38.2 mm (1.5 in)	15.6 mm (0.6 in)	53 years	34 of 100 (Routine)
9 May 1970	Kodanand, IN	daily rain	80.2 mm (3.2 in)	39.6 mm (1.6 in)	24 years	33 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

1793 to 1970

Records set or tied on this calendar date in each year from 1793 to 1970. 1970 had 372 records.

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

Records on 05-09 in each year
Year	Records
1793	1
1795	1
1806	1
1810	1
1823	1
1834	1
1838	1
1843	1
1845	2
1846	1
1848	1
1850	2
1855	2
1857	1
1858	1
1861	1
1862	1
1864	2
1865	2
1867	2
1872	1
1873	2
1874	1
1875	2
1879	4
1880	3
1882	1
1883	2
1884	3
1885	3
1889	3
1890	3
1891	3
1892	1
1893	1
1895	2
1896	4
1897	3
1898	3
1899	2
1900	2
1901	9
1902	8
1903	9
1904	14
1905	34
1906	41
1907	11
1908	16
1909	34
1910	45
1911	23
1912	23
1913	15
1914	43
1915	27
1916	26
1917	50
1918	49
1919	47
1920	56
1921	102
1922	45
1923	461
1924	262
1925	123
1926	196
1927	343
1928	302
1929	166
1930	526
1931	411
1932	132
1933	482
1934	750
1935	111
1936	622
1937	128
1938	171
1939	345
1940	237
1941	335
1942	180
1943	524
1944	412
1945	538
1946	278
1947	1,145
1948	379
1949	417
1950	660
1951	188
1952	348
1953	507
1954	489
1955	288
1956	722
1957	505
1958	355
1959	252
1960	748
1961	516
1962	435
1963	1,103
1964	503
1965	730
1966	994
1967	681
1968	545
1969	653
1970	372
1971	338
1972	587
1973	386
1974	699
1975	465
1976	714
1977	931
1978	649
1979	1,605
1980	1,030
1981	639
1982	523
1983	872
1984	892
1985	829
1986	1,253
1987	1,481
1988	594
1989	1,347
1990	850
1991	759
1992	1,476
1993	967
1994	573
1995	960
1996	1,260
1997	1,088
1998	1,182
1999	970
2000	1,114
2001	969
2002	1,489
2003	1,802
2004	926
2005	851
2006	738
2007	765
2008	693
2009	816
2010	764
2011	1,104
2012	686
2013	684
2014	754
2015	689
2016	917
2017	539
2018	879
2019	1,043
2020	1,673
2021	501
2022	1,308
2023	474
2024	792
2025	622
2026	309

Download the Data

Data for records on 1970-05-09: 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	308
200 to 400	1
400 to 600	0
600 to 800	0
800 to 1000	0
1000 to 1200	1