Weather Records on 9 May 1957

505 weather records were set or tied worldwide on 9 May 1957. Highest significance: Longmont 2 ESE, US.

Key Facts for 9 May 1957

On 9 May 1957, 505 weather records were set or tied at long-record stations worldwide.
258 were record highs and 75 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 10 monthly and 494 daily.
Longmont 2 ESE set a daily record precipitation of 102.6 mm (4.0 in) on 9 May 1957.
Across 166 earlier years (1793 to 2026) the same calendar date averaged 432 records.

Record Map

505 stations

505 station records on 9 May 1957 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 9 May 1957: highest significance records shown on the map
Station	Country	Type	Value	Significance
Longmont 2 ESE	United States	Record daily precipitation	102.6 mm (4.0 in)	59 of 100 (Notable)
Fraser	United States	Record daily precipitation	63.5 mm (2.5 in)	47 of 100 (Notable)
Parker 6 E	United States	Record daily precipitation	50.8 mm (2.0 in)	46 of 100 (Notable)
Paxton	United States	Record daily precipitation	58.4 mm (2.3 in)	46 of 100 (Notable)
Euclides da Cunha (Cumbe)	Brazil	Record daily precipitation	43.2 mm (1.7 in)	42 of 100 (Notable)
Saint John	Canada	Record high maximum temperature	23.9 C (75.0 F)	42 of 100 (Notable)
Kursk	Russia	Record daily precipitation	29.2 mm (1.1 in)	42 of 100 (Notable)
Estes Park	United States	Record daily precipitation	48.3 mm (1.9 in)	42 of 100 (Notable)
Imperial	United States	Record daily precipitation	51.3 mm (2.0 in)	42 of 100 (Notable)
Grover 10 W	United States	Record daily precipitation	36.8 mm (1.4 in)	41 of 100 (Notable)
Sydney (Observatory Hill)	Australia	Record high maximum temperature	26.9 C (80.4 F)	40 of 100 (Notable)
Belleville	Canada	Record high minimum temperature	14.4 C (57.9 F)	40 of 100 (Notable)
Anatone	United States	Record daily precipitation	53.8 mm (2.1 in)	38 of 100 (Notable)
Major Isidoro (Sertaozinho)	Brazil	Record daily precipitation	50.4 mm (2.0 in)	37 of 100 (Notable)
Bernburg/Saale (Nord)	Germany	Record low minimum temperature	-2.0 C (28.4 F)	37 of 100 (Notable)
Tot-Ma	Russia	Record high minimum temperature	17.1 C (62.8 F)	37 of 100 (Notable)
Ulysses 3NE	United States	Record daily precipitation	47.8 mm (1.9 in)	37 of 100 (Notable)
Boulder	United States	Record daily precipitation	66.0 mm (2.6 in)	34 of 100 (Routine)
Clay Ctr 6 ESE	United States	Record daily precipitation	34.8 mm (1.4 in)	34 of 100 (Routine)
Shawinigan	Canada	Record high minimum temperature	14.4 C (57.9 F)	33 of 100 (Routine)
Uralsk	Kazakhstan	Record high minimum temperature	17.9 C (64.2 F)	33 of 100 (Routine)
Kassler	United States	Record daily precipitation	39.1 mm (1.5 in)	33 of 100 (Routine)
Waterville Wwtp	United States	Record high minimum temperature	15.0 C (59.0 F)	33 of 100 (Routine)
Haskell	United States	Record daily precipitation	45.0 mm (1.8 in)	33 of 100 (Routine)
Cairo Ezbekiya	Egypt	Record low maximum temperature	20.0 C (68.0 F)	32 of 100 (Routine)
Ft Collins	United States	Record daily precipitation	38.1 mm (1.5 in)	32 of 100 (Routine)
Eastport	United States	Record high maximum temperature	26.1 C (79.0 F)	32 of 100 (Routine)
New Bedford Coop	United States	Record high maximum temperature	28.9 C (84.0 F)	32 of 100 (Routine)
Indian Lake 2SW	United States	Record high minimum temperature	16.1 C (61.0 F)	32 of 100 (Routine)
Quebec	Canada	Record high minimum temperature	15.6 C (60.1 F)	31 of 100 (Routine)
St George	Canada	Record high maximum temperature	28.3 C (82.9 F)	31 of 100 (Routine)
Altastenberg	Germany	Record snow depth	10.0 cm (3.9 in)	31 of 100 (Routine)
Poretskoye	Russia	Record high minimum temperature	16.8 C (62.2 F)	31 of 100 (Routine)
Colorado City	United States	Record daily precipitation	33.0 mm (1.3 in)	31 of 100 (Routine)
Collingwood	Canada	Record high minimum temperature	17.8 C (64.0 F)	30 of 100 (Routine)
Hawthorne	United States	Record daily precipitation	47.8 mm (1.9 in)	30 of 100 (Routine)
Denver WSO City	United States	Record daily precipitation	33.3 mm (1.3 in)	30 of 100 (Routine)
Gloria	Brazil	Record daily precipitation	26.0 mm (1.0 in)	29 of 100 (Routine)
Barrie	Canada	Record high minimum temperature	16.7 C (62.1 F)	29 of 100 (Routine)
Ai-Petri	Ukraine	Record daily precipitation	29.7 mm (1.2 in)	29 of 100 (Routine)
Alexandria	United States	Record daily precipitation	31.8 mm (1.3 in)	29 of 100 (Routine)
Senhor Do Bonfim	Brazil	Record daily precipitation	32.4 mm (1.3 in)	28 of 100 (Routine)
Ekaterinburg	Russia	Record high maximum temperature	29.1 C (84.4 F)	28 of 100 (Routine)
Fraser	United States	Record daily snowfall	20.3 cm (8.0 in)	28 of 100 (Routine)
Chestertown	United States	Record high maximum temperature	30.6 C (87.1 F)	28 of 100 (Routine)
Canton 4 SE	United States	Record high minimum temperature	16.1 C (61.0 F)	28 of 100 (Routine)
La Pocatiere Cda	Canada	Record high minimum temperature	15.6 C (60.1 F)	27 of 100 (Routine)
Niznij Novgorod	Russia	Record high minimum temperature	17.7 C (63.9 F)	27 of 100 (Routine)
El-Ton	Russia	Record high minimum temperature	17.9 C (64.2 F)	27 of 100 (Routine)
Waterdale	United States	Record daily precipitation	46.2 mm (1.8 in)	27 of 100 (Routine)
Millinocket	United States	Record high minimum temperature	16.1 C (61.0 F)	27 of 100 (Routine)
Waterville Wwtp	United States	Record high maximum temperature	30.0 C (86.0 F)	27 of 100 (Routine)
Mackinaw City 2	United States	Record high maximum temperature	26.1 C (79.0 F)	27 of 100 (Routine)
Colfax	United States	Record high minimum temperature	11.7 C (53.1 F)	27 of 100 (Routine)
Hamilton	Canada	Record high minimum temperature	15.6 C (60.1 F)	26 of 100 (Routine)
Oak Ridges	Canada	Record daily precipitation	30.5 mm (1.2 in)	26 of 100 (Routine)
Riva	Italy	Record low minimum temperature	7.0 C (44.6 F)	26 of 100 (Routine)
Salem	United States	Record daily precipitation	35.3 mm (1.4 in)	26 of 100 (Routine)
Madison	United States	Record high maximum temperature	31.1 C (88.0 F)	26 of 100 (Routine)
Orono	United States	Record high maximum temperature	29.4 C (84.9 F)	26 of 100 (Routine)

Counts by Type and Timescale

505 records

Records set or tied on 9 May 1957 by type: Highest daily maximum 87, Lowest daily maximum 34, Highest daily minimum 171, Lowest daily minimum 41, Heaviest daily rainfall 168, Heaviest daily snowfall 2, Deepest snow cover 2.

Records on 9 May 1957 by type
Record type	Records
Highest daily maximum	87
Lowest daily maximum	34
Highest daily minimum	171
Lowest daily minimum	41
Heaviest daily rainfall	168
Heaviest daily snowfall	2
Deepest snow cover	2

Records on 9 May 1957 by timescale: all-time 1, monthly 10, daily 494.

How Much Records Were Beaten By

437 broken records

Margins by which the 437 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 101.0. Ties are not counted.

Top 20 by Significance

9 May 1957

Top 20 records on 9 May 1957 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
9 May 1957	Longmont 2 ESE, US	daily rain	102.6 mm (4.0 in)	73.4 mm (2.9 in)	44 years	59 of 100 (Notable)
9 May 1957	Fraser, US	all-time rain	63.5 mm (2.5 in)	5.1 mm (0.20 in)	40 years	47 of 100 (Notable)
9 May 1957	Parker 6 E, US	daily rain	50.8 mm (2.0 in)	33.5 mm (1.3 in)	11 years	46 of 100 (Notable)
9 May 1957	Paxton, US	daily rain	58.4 mm (2.3 in)	33.3 mm (1.3 in)	44 years	46 of 100 (Notable)
9 May 1957	Euclides da Cunha (Cumbe), BR	daily rain	43.2 mm (1.7 in)	23.3 mm (0.9 in)	22 years	42 of 100 (Notable)
9 May 1957	Saint John, CA	daily high max	23.9 C (75.0 F)	4.5 C (8.1 F)	78 years	42 of 100 (Notable)
9 May 1957	Kursk, RU	daily rain	29.2 mm (1.1 in)	19.5 mm (0.8 in)	20 years	42 of 100 (Notable)
9 May 1957	Estes Park, US	daily rain	48.3 mm (1.9 in)	16.5 mm (0.6 in)	44 years	42 of 100 (Notable)
9 May 1957	Imperial, US	daily rain	51.3 mm (2.0 in)	36.8 mm (1.4 in)	20 years	42 of 100 (Notable)
9 May 1957	Grover 10 W, US	daily rain	36.8 mm (1.4 in)	28.7 mm (1.1 in)	14 years	41 of 100 (Notable)
9 May 1957	Sydney (Observatory Hill), AU	daily high max	26.9 C (80.4 F)	2.4 C (4.3 F)	75 years	40 of 100 (Notable)
9 May 1957	Belleville, CA	daily high min	14.4 C (57.9 F)	2.7 C (4.9 F)	84 years	40 of 100 (Notable)
9 May 1957	Anatone, US	monthly rain	53.8 mm (2.1 in)	15.7 mm (0.6 in)	0 years	38 of 100 (Notable)
9 May 1957	Major Isidoro (Sertaozinho), BR	daily rain	50.4 mm (2.0 in)	24.3 mm (1.0 in)	12 years	37 of 100 (Notable)
9 May 1957	Bernburg/Saale (Nord), DE	monthly low min	-2.0 C (28.4 F)	1.6 C (2.9 F)	56 years	37 of 100 (Notable)
9 May 1957	Tot-Ma, RU	monthly high min	17.1 C (62.8 F)	0.5 C (0.9 F)	65 years	37 of 100 (Notable)
9 May 1957	Ulysses 3NE, US	daily rain	47.8 mm (1.9 in)	32.1 mm (1.3 in)	32 years	37 of 100 (Notable)
9 May 1957	Boulder, US	monthly rain	66.0 mm (2.6 in)	15.5 mm (0.6 in)	6 years	34 of 100 (Routine)
9 May 1957	Clay Ctr 6 ESE, US	daily rain	34.8 mm (1.4 in)	23.6 mm (0.9 in)	27 years	34 of 100 (Routine)
9 May 1957	Shawinigan, CA	daily high min	14.4 C (57.9 F)	5.5 C (9.9 F)	52 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 1957

Records set or tied on this calendar date in each year from 1793 to 1957. 1957 had 505 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 1957-05-09: 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 20	415
20 to 40	17
40 to 60	1
60 to 80	2
80 to 100	1
100 to 120	1