Weather Records on 8 May 1947

1,152 weather records were set or tied worldwide on 8 May 1947. Highest significance: Chicoutimi, CA.

Key Facts for 8 May 1947

On 8 May 1947, 1,152 weather records were set or tied at long-record stations worldwide.
278 were record highs and 757 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 89 monthly and 1,063 daily.
Chicoutimi set a daily record snowfall of 10.2 cm (4.0 in) on 8 May 1947.
Across 163 earlier years (1795 to 2026) the same calendar date averaged 426 records.

Record Map

1,152 stations

1,152 station records on 8 May 1947 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 8 May 1947: highest significance records shown on the map
Station	Country	Type	Value	Significance
Chicoutimi	Canada	Record daily snowfall	10.2 cm (4.0 in)	49 of 100 (Notable)
Columinjuba	Brazil	Record daily precipitation	80.5 mm (3.2 in)	45 of 100 (Notable)
Martins	Brazil	Record daily precipitation	97.0 mm (3.8 in)	45 of 100 (Notable)
Goderich	Canada	Record daily snowfall	5.1 cm (2.0 in)	44 of 100 (Notable)
Belleville	Canada	Record low maximum temperature	5.6 C (42.1 F)	40 of 100 (Notable)
Jaguaribe	Brazil	Record daily precipitation	87.0 mm (3.4 in)	39 of 100 (Notable)
Melrose	United States	Record daily precipitation	42.9 mm (1.7 in)	39 of 100 (Notable)
Koregaon	India	Record daily precipitation	39.6 mm (1.6 in)	37 of 100 (Notable)
Goderich	Canada	Record low minimum temperature	-2.2 C (28.0 F)	36 of 100 (Notable)
Lucknow	Canada	Record daily snowfall	5.1 cm (2.0 in)	34 of 100 (Routine)
Tambe (Itambe)	Brazil	Record daily precipitation	62.8 mm (2.5 in)	33 of 100 (Routine)
Goderich Township	Canada	Record daily snowfall	5.1 cm (2.0 in)	33 of 100 (Routine)
Stratford	Canada	Record low minimum temperature	-4.4 C (24.1 F)	33 of 100 (Routine)
Hamilton	Canada	Record low maximum temperature	5.6 C (42.1 F)	33 of 100 (Routine)
Hamilton	Canada	Record low minimum temperature	-1.1 C (30.0 F)	33 of 100 (Routine)
Lucknow	Canada	Record low maximum temperature	1.1 C (34.0 F)	32 of 100 (Routine)
Sausar	India	Record daily precipitation	25.7 mm (1.0 in)	32 of 100 (Routine)
Richmond	United States	Record low minimum temperature	-1.1 C (30.0 F)	32 of 100 (Routine)
Huntsville	Canada	Record low maximum temperature	2.8 C (37.0 F)	31 of 100 (Routine)
Southampton	Canada	Record low maximum temperature	1.7 C (35.1 F)	31 of 100 (Routine)
Chicoutimi	Canada	Record daily precipitation	31.2 mm (1.2 in)	31 of 100 (Routine)
Ann Arbor U of Mich	United States	Record low maximum temperature	3.9 C (39.0 F)	31 of 100 (Routine)
Springer	United States	Record daily precipitation	28.7 mm (1.1 in)	31 of 100 (Routine)
World Trade Ctr	United States	Record low maximum temperature	8.9 C (48.0 F)	31 of 100 (Routine)
Indiana	United States	Record low minimum temperature	-6.1 C (21.0 F)	31 of 100 (Routine)
Morgantown 1	United States	Record low maximum temperature	8.9 C (48.0 F)	31 of 100 (Routine)
Newark Liberty Intl AP	United States	Record low minimum temperature	1.7 C (35.1 F)	31 of 100 (Routine)
Pembroke Eddy Match	Canada	Record low maximum temperature	6.1 C (43.0 F)	30 of 100 (Routine)
Brantford	Canada	Record low maximum temperature	4.4 C (39.9 F)	30 of 100 (Routine)
Philo 3 SW	United States	Record low minimum temperature	-2.8 C (27.0 F)	30 of 100 (Routine)
Toledo Blade	United States	Record low minimum temperature	-0.6 C (30.9 F)	30 of 100 (Routine)
Reriutaba	Brazil	Record daily precipitation	53.0 mm (2.1 in)	29 of 100 (Routine)
Lake Avalon	United States	Record daily precipitation	50.8 mm (2.0 in)	29 of 100 (Routine)
Toledo Blade	United States	Record low maximum temperature	5.6 C (42.1 F)	29 of 100 (Routine)
W Chester 2 NW	United States	Record low minimum temperature	0.0 C (32.0 F)	29 of 100 (Routine)
Joao Pessoa	Brazil	Record daily precipitation	92.2 mm (3.6 in)	28 of 100 (Routine)
Chinook Cove	Canada	Record high minimum temperature	12.8 C (55.0 F)	28 of 100 (Routine)
Fallston	United States	Record low minimum temperature	-1.1 C (30.0 F)	28 of 100 (Routine)
Lapeer 2 SE	United States	Record low maximum temperature	2.2 C (36.0 F)	28 of 100 (Routine)
Angelica	United States	Record low maximum temperature	3.9 C (39.0 F)	28 of 100 (Routine)
Auburn	United States	Record low maximum temperature	3.3 C (37.9 F)	28 of 100 (Routine)
Avon	United States	Record low maximum temperature	4.4 C (39.9 F)	28 of 100 (Routine)
Chelsea	United States	Record low maximum temperature	5.6 C (42.1 F)	28 of 100 (Routine)
Brucefield	Canada	Record daily snowfall	5.1 cm (2.0 in)	27 of 100 (Routine)
Port Dover	Canada	Record low minimum temperature	-3.3 C (26.1 F)	27 of 100 (Routine)
Wallaceburg	Canada	Record low maximum temperature	3.9 C (39.0 F)	27 of 100 (Routine)
Montreal McGill	Canada	Record low maximum temperature	5.6 C (42.1 F)	27 of 100 (Routine)
Payette	United States	Record high minimum temperature	13.3 C (55.9 F)	27 of 100 (Routine)
Fruitland	United States	Record high minimum temperature	16.1 C (61.0 F)	27 of 100 (Routine)
Somerset Main Street	United States	Record low maximum temperature	3.9 C (39.0 F)	27 of 100 (Routine)
Racine Wwtp	United States	Record low minimum temperature	-1.7 C (28.9 F)	27 of 100 (Routine)
Picui	Brazil	Record daily precipitation	61.0 mm (2.4 in)	26 of 100 (Routine)
Orillia	Canada	Record low maximum temperature	1.7 C (35.1 F)	26 of 100 (Routine)
Council	United States	Record high minimum temperature	12.8 C (55.0 F)	26 of 100 (Routine)
Wayne	United States	Record low maximum temperature	5.0 C (41.0 F)	26 of 100 (Routine)
W Branch 3SE	United States	Record low maximum temperature	1.7 C (35.1 F)	26 of 100 (Routine)
Trenton 2	United States	Record low minimum temperature	1.7 C (35.1 F)	26 of 100 (Routine)
Lowville	United States	Record low maximum temperature	3.9 C (39.0 F)	26 of 100 (Routine)
Wallowa	United States	Record high minimum temperature	10.0 C (50.0 F)	26 of 100 (Routine)
Atlantic City Marina	United States	Record low minimum temperature	3.3 C (37.9 F)	26 of 100 (Routine)

Counts by Type and Timescale

1,152 records

Records set or tied on 8 May 1947 by type: Highest daily maximum 136, Lowest daily maximum 361, Highest daily minimum 142, Lowest daily minimum 396, Heaviest daily rainfall 80, Heaviest daily snowfall 36, Deepest snow cover 1.

Records on 8 May 1947 by type
Record type	Records
Highest daily maximum	136
Lowest daily maximum	361
Highest daily minimum	142
Lowest daily minimum	396
Heaviest daily rainfall	80
Heaviest daily snowfall	36
Deepest snow cover	1

Records on 8 May 1947 by timescale: all-time 0, monthly 89, daily 1,063.

How Much Records Were Beaten By

877 broken records

Margins by which the 877 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 102.0. Ties are not counted.

Top 20 by Significance

8 May 1947

Top 20 records on 8 May 1947 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
8 May 1947	Chicoutimi, CA	daily snowfall	10.2 cm (4.0 in)	10.2 cm (4.0 in)	74 years	49 of 100 (Notable)
8 May 1947	Columinjuba, BR	daily rain	80.5 mm (3.2 in)	62.3 mm (2.5 in)	8 years	45 of 100 (Notable)
8 May 1947	Martins, BR	daily rain	97.0 mm (3.8 in)	67.7 mm (2.7 in)	8 years	45 of 100 (Notable)
8 May 1947	Goderich, CA	monthly snowfall	5.1 cm (2.0 in)	2.6 cm (1.0 in)	72 years	44 of 100 (Notable)
8 May 1947	Belleville, CA	daily low max	5.6 C (42.1 F)	4.4 C (7.9 F)	79 years	40 of 100 (Notable)
8 May 1947	Jaguaribe, BR	daily rain	87.0 mm (3.4 in)	47.0 mm (1.9 in)	32 years	39 of 100 (Notable)
8 May 1947	Melrose, US	daily rain	42.9 mm (1.7 in)	28.7 mm (1.1 in)	28 years	39 of 100 (Notable)
8 May 1947	Koregaon, IN	daily rain	39.6 mm (1.6 in)	37.6 mm (1.5 in)	2 years	37 of 100 (Notable)
8 May 1947	Goderich, CA	daily low min	-2.2 C (28.0 F)	2.8 C (5.0 F)	77 years	36 of 100 (Notable)
8 May 1947	Lucknow, CA	daily snowfall	5.1 cm (2.0 in)	5.1 cm (2.0 in)	61 years	34 of 100 (Routine)
8 May 1947	Tambe (Itambe), BR	daily rain	62.8 mm (2.5 in)	35.3 mm (1.4 in)	24 years	33 of 100 (Routine)
8 May 1947	Goderich Township, CA	monthly snowfall	5.1 cm (2.0 in)	5.1 cm (2.0 in)	35 years	33 of 100 (Routine)
8 May 1947	Stratford, CA	daily low min	-4.4 C (24.1 F)	2.7 C (4.9 F)	67 years	33 of 100 (Routine)
8 May 1947	Hamilton, CA	daily low max	5.6 C (42.1 F)	4.4 C (7.9 F)	62 years	33 of 100 (Routine)
8 May 1947	Hamilton, CA	daily low min	-1.1 C (30.0 F)	0.5 C (0.9 F)	80 years	33 of 100 (Routine)
8 May 1947	Lucknow, CA	monthly low max	1.1 C (34.0 F)	0.6 C (1.1 F)	56 years	32 of 100 (Routine)
8 May 1947	Sausar, IN	daily rain	25.7 mm (1.0 in)	16.8 mm (0.7 in)	20 years	32 of 100 (Routine)
8 May 1947	Richmond, US	monthly low min	-1.1 C (30.0 F)	1.1 C (2.0 F)	52 years	32 of 100 (Routine)
8 May 1947	Huntsville, CA	daily low max	2.8 C (37.0 F)	4.4 C (7.9 F)	61 years	31 of 100 (Routine)
8 May 1947	Southampton, CA	daily low max	1.7 C (35.1 F)	3.9 C (7.0 F)	61 years	31 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

1795 to 1947

Records set or tied on this calendar date in each year from 1795 to 1947. 1947 had 1,152 records.

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

Records on 05-08 in each year
Year	Records
1795	2
1806	1
1825	1
1834	1
1845	2
1848	1
1849	1
1851	1
1852	1
1857	1
1858	2
1861	2
1862	1
1863	1
1865	1
1867	4
1868	1
1873	1
1874	3
1876	3
1879	1
1880	1
1882	4
1883	1
1885	1
1886	3
1888	2
1889	1
1890	2
1891	2
1892	2
1893	3
1894	1
1895	1
1896	3
1897	5
1898	2
1900	10
1901	5
1902	5
1903	11
1904	13
1905	17
1906	27
1907	7
1908	14
1909	19
1910	26
1911	34
1912	36
1913	34
1914	71
1915	35
1916	17
1917	108
1918	47
1919	132
1920	62
1921	35
1922	38
1923	510
1924	196
1925	272
1926	191
1927	328
1928	310
1929	194
1930	572
1931	403
1932	283
1933	553
1934	728
1935	78
1936	650
1937	107
1938	425
1939	235
1940	296
1941	271
1942	128
1943	465
1944	258
1945	646
1946	271
1947	1,152
1948	453
1949	361
1950	748
1951	274
1952	794
1953	580
1954	463
1955	411
1956	490
1957	546
1958	440
1959	252
1960	748
1961	556
1962	450
1963	1,105
1964	731
1965	704
1966	522
1967	573
1968	424
1969	542
1970	501
1971	413
1972	509
1973	527
1974	777
1975	555
1976	989
1977	682
1978	676
1979	1,113
1980	722
1981	613
1982	557
1983	638
1984	1,072
1985	591
1986	1,210
1987	1,226
1988	632
1989	1,543
1990	715
1991	710
1992	1,740
1993	892
1994	768
1995	1,340
1996	908
1997	973
1998	1,348
1999	985
2000	1,782
2001	851
2002	1,843
2003	1,420
2004	1,133
2005	685
2006	801
2007	718
2008	595
2009	779
2010	1,079
2011	602
2012	709
2013	686
2014	958
2015	647
2016	752
2017	467
2018	711
2019	723
2020	599
2021	419
2022	908
2023	579
2024	1,015
2025	380
2026	292

Download the Data

Data for records on 1947-05-08: 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 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Margin	Records
0 to 20	848
20 to 40	19
40 to 60	7
60 to 80	2
80 to 100	0
100 to 120	1