Weather Records on 6 May 1947

613 weather records were set or tied worldwide on 6 May 1947. Highest significance: Mechanicville 2 S, US.

Key Facts for 6 May 1947

On 6 May 1947, 613 weather records were set or tied at long-record stations worldwide.
402 were record highs and 34 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 5 monthly and 608 daily.
Mechanicville 2 S set a daily record precipitation of 41.4 mm (1.6 in) on 6 May 1947.
Across 158 earlier years (1795 to 2026) the same calendar date averaged 452 records.

Record Map

613 stations

613 station records on 6 May 1947 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 6 May 1947: highest significance records shown on the map
Station	Country	Type	Value	Significance
Mechanicville 2 S	United States	Record daily precipitation	41.4 mm (1.6 in)	52 of 100 (Notable)
Lambton	Canada	Record daily precipitation	39.1 mm (1.5 in)	43 of 100 (Notable)
Truro Nsac	Canada	Record daily precipitation	44.7 mm (1.8 in)	43 of 100 (Notable)
Glens Falls Fire STN	United States	Record daily precipitation	26.2 mm (1.0 in)	41 of 100 (Notable)
Gidgee Birrigrin	Australia	Record daily precipitation	44.7 mm (1.8 in)	40 of 100 (Notable)
Bidhuna	India	Record daily precipitation	30.0 mm (1.2 in)	40 of 100 (Notable)
Belle Isle	Canada	Record high minimum temperature	5.0 C (41.0 F)	38 of 100 (Notable)
Beauceville	Canada	Record daily precipitation	30.0 mm (1.2 in)	37 of 100 (Notable)
Disraeli	Canada	Record daily precipitation	31.2 mm (1.2 in)	37 of 100 (Notable)
Spier Falls	United States	Record daily precipitation	38.9 mm (1.5 in)	37 of 100 (Notable)
Manoharpur	India	Record daily precipitation	25.9 mm (1.0 in)	35 of 100 (Notable)
Bisbee	United States	Record high minimum temperature	22.2 C (72.0 F)	35 of 100 (Notable)
Freeland	United States	Record daily precipitation	41.7 mm (1.6 in)	35 of 100 (Notable)
Zamana	India	Record daily precipitation	30.5 mm (1.2 in)	33 of 100 (Routine)
Wilkes Barre	United States	Record daily precipitation	44.7 mm (1.8 in)	32 of 100 (Routine)
Simcoe	Canada	Record low maximum temperature	7.2 C (45.0 F)	31 of 100 (Routine)
Islampur	India	Record daily precipitation	31.8 mm (1.3 in)	31 of 100 (Routine)
Healdsburg	United States	Record high minimum temperature	16.7 C (62.1 F)	31 of 100 (Routine)
Port Jervis	United States	Record daily precipitation	26.4 mm (1.0 in)	31 of 100 (Routine)
Sharon Springs 2 SW	United States	Record daily precipitation	32.0 mm (1.3 in)	31 of 100 (Routine)
Goderich	Canada	Record low maximum temperature	6.1 C (43.0 F)	30 of 100 (Routine)
Jiwanpur Sagri	India	Record daily precipitation	25.9 mm (1.0 in)	30 of 100 (Routine)
Greenfield Ctr	United States	Record daily precipitation	33.0 mm (1.3 in)	30 of 100 (Routine)
Reenen	South Africa	Record daily precipitation	33.0 mm (1.3 in)	29 of 100 (Routine)
Deogaon Lalganj	India	Record daily precipitation	29.2 mm (1.1 in)	28 of 100 (Routine)
Cooperstown	United States	Record daily precipitation	29.5 mm (1.2 in)	28 of 100 (Routine)
Southampton	Canada	Record low maximum temperature	3.9 C (39.0 F)	27 of 100 (Routine)
Bic	Canada	Record daily precipitation	28.7 mm (1.1 in)	27 of 100 (Routine)
Harkerville (Bos)	South Africa	Record daily precipitation	34.5 mm (1.4 in)	27 of 100 (Routine)
Eustis 2 SSE	United States	Record daily precipitation	28.4 mm (1.1 in)	27 of 100 (Routine)
Cascade Locks	United States	Record high minimum temperature	14.4 C (57.9 F)	27 of 100 (Routine)
Nappan Cda	Canada	Record high minimum temperature	12.8 C (55.0 F)	26 of 100 (Routine)
Parsa	India	Record daily precipitation	28.7 mm (1.1 in)	26 of 100 (Routine)
Tuba City	United States	Record high maximum temperature	35.0 C (95.0 F)	26 of 100 (Routine)
Farmington	United States	Record high minimum temperature	18.9 C (66.0 F)	26 of 100 (Routine)
Winnemucca AP	United States	Record high minimum temperature	12.2 C (54.0 F)	26 of 100 (Routine)
Yuma Wb City	United States	Record high minimum temperature	22.2 C (72.0 F)	26 of 100 (Routine)
Low Head (Comparison)	Australia	Record high maximum temperature	20.0 C (68.0 F)	25 of 100 (Routine)
Belle Isle	Canada	Record high maximum temperature	10.0 C (50.0 F)	25 of 100 (Routine)
Sheikhpura	India	Record daily precipitation	41.1 mm (1.6 in)	25 of 100 (Routine)
Hilsa	India	Record daily precipitation	31.8 mm (1.3 in)	25 of 100 (Routine)
Globe Rs	United States	Record high maximum temperature	37.8 C (100.0 F)	25 of 100 (Routine)
Tombstone	United States	Record high minimum temperature	20.6 C (69.1 F)	25 of 100 (Routine)
Huntington	United States	Record high minimum temperature	16.7 C (62.1 F)	25 of 100 (Routine)
Phoenixville 1 E	United States	Record daily precipitation	32.8 mm (1.3 in)	25 of 100 (Routine)
Portland Rfc City	United States	Record high minimum temperature	13.3 C (55.9 F)	25 of 100 (Routine)
Saltspring Island	Canada	Record high maximum temperature	25.6 C (78.1 F)	24 of 100 (Routine)
Nanaimo Departure Bay	Canada	Record high maximum temperature	27.8 C (82.0 F)	24 of 100 (Routine)
Biscotasing	Canada	Record daily snowfall	5.1 cm (2.0 in)	24 of 100 (Routine)
Pet Jorhat	India	Record daily precipitation	50.8 mm (2.0 in)	24 of 100 (Routine)
Richfield	United States	Record high minimum temperature	12.2 C (54.0 F)	24 of 100 (Routine)
Hatch	United States	Record high maximum temperature	37.8 C (100.0 F)	24 of 100 (Routine)
Sharon Springs 1N	United States	Record daily precipitation	31.2 mm (1.2 in)	24 of 100 (Routine)
Victoria Gonzales Hts	Canada	Record high minimum temperature	11.7 C (53.1 F)	23 of 100 (Routine)
Lake Megantic	Canada	Record daily precipitation	26.4 mm (1.0 in)	23 of 100 (Routine)
Digby	Canada	Record high minimum temperature	13.3 C (55.9 F)	23 of 100 (Routine)
Delta	United States	Record high maximum temperature	32.8 C (91.0 F)	23 of 100 (Routine)
Agricultural College	United States	Record high maximum temperature	34.4 C (93.9 F)	23 of 100 (Routine)
Sugar Land	United States	Record high maximum temperature	33.9 C (93.0 F)	23 of 100 (Routine)
Mundaring	Australia	Record daily precipitation	45.7 mm (1.8 in)	22 of 100 (Routine)

Counts by Type and Timescale

613 records

Records set or tied on 6 May 1947 by type: Highest daily maximum 270, Lowest daily maximum 26, Highest daily minimum 132, Lowest daily minimum 8, Heaviest daily rainfall 166, Heaviest daily snowfall 11.

Records on 6 May 1947 by type
Record type	Records
Highest daily maximum	270
Lowest daily maximum	26
Highest daily minimum	132
Lowest daily minimum	8
Heaviest daily rainfall	166
Heaviest daily snowfall	11
Deepest snow cover	0

Records on 6 May 1947 by timescale: all-time 0, monthly 5, daily 608.

How Much Records Were Beaten By

505 broken records

Margins by which the 505 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 43.0. Ties are not counted.

Top 20 by Significance

6 May 1947

Top 20 records on 6 May 1947 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
6 May 1947	Mechanicville 2 S, US	daily rain	41.4 mm (1.6 in)	30.0 mm (1.2 in)	29 years	52 of 100 (Notable)
6 May 1947	Lambton, CA	daily rain	39.1 mm (1.5 in)	23.9 mm (0.9 in)	17 years	43 of 100 (Notable)
6 May 1947	Truro Nsac, CA	daily rain	44.7 mm (1.8 in)	28.4 mm (1.1 in)	17 years	43 of 100 (Notable)
6 May 1947	Glens Falls Fire STN, US	daily rain	26.2 mm (1.0 in)	17.1 mm (0.7 in)	52 years	41 of 100 (Notable)
6 May 1947	Gidgee Birrigrin, AU	daily rain	44.7 mm (1.8 in)	29.5 mm (1.2 in)	21 years	40 of 100 (Notable)
6 May 1947	Bidhuna, IN	daily rain	30.0 mm (1.2 in)	22.6 mm (0.9 in)	29 years	40 of 100 (Notable)
6 May 1947	Belle Isle, CA	daily high min	5.0 C (41.0 F)	3.9 C (7.0 F)	56 years	38 of 100 (Notable)
6 May 1947	Beauceville, CA	daily rain	30.0 mm (1.2 in)	19.6 mm (0.8 in)	24 years	37 of 100 (Notable)
6 May 1947	Disraeli, CA	daily rain	31.2 mm (1.2 in)	18.8 mm (0.7 in)	20 years	37 of 100 (Notable)
6 May 1947	Spier Falls, US	daily rain	38.9 mm (1.5 in)	25.4 mm (1.0 in)	18 years	37 of 100 (Notable)
6 May 1947	Manoharpur, IN	daily rain	25.9 mm (1.0 in)	23.9 mm (0.9 in)	45 years	35 of 100 (Notable)
6 May 1947	Bisbee, US	daily high min	22.2 C (72.0 F)	5.5 C (9.9 F)	49 years	35 of 100 (Notable)
6 May 1947	Freeland, US	daily rain	41.7 mm (1.6 in)	28.0 mm (1.1 in)	18 years	35 of 100 (Notable)
6 May 1947	Zamana, IN	daily rain	30.5 mm (1.2 in)	24.4 mm (1.0 in)	20 years	33 of 100 (Routine)
6 May 1947	Wilkes Barre, US	daily rain	44.7 mm (1.8 in)	11.7 mm (0.5 in)	52 years	32 of 100 (Routine)
6 May 1947	Simcoe, CA	daily low max	7.2 C (45.0 F)	2.2 C (4.0 F)	67 years	31 of 100 (Routine)
6 May 1947	Islampur, IN	daily rain	31.8 mm (1.3 in)	31.8 mm (1.3 in)	42 years	31 of 100 (Routine)
6 May 1947	Healdsburg, US	daily high min	16.7 C (62.1 F)	5.0 C (9.0 F)	34 years	31 of 100 (Routine)
6 May 1947	Port Jervis, US	daily rain	26.4 mm (1.0 in)	9.1 mm (0.36 in)	56 years	31 of 100 (Routine)
6 May 1947	Sharon Springs 2 SW, US	daily rain	32.0 mm (1.3 in)	21.8 mm (0.9 in)	18 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 613 records.

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

Records on 05-06 in each year
Year	Records
1795	1
1805	1
1825	1
1836	1
1845	2
1850	1
1851	1
1852	1
1856	1
1857	2
1861	2
1862	2
1864	2
1865	1
1872	1
1877	3
1880	2
1883	1
1885	4
1886	2
1887	1
1888	1
1889	4
1890	4
1891	3
1892	3
1893	1
1895	3
1896	1
1897	5
1898	17
1899	3
1900	8
1901	3
1902	8
1903	9
1904	12
1905	18
1906	14
1907	11
1908	18
1909	19
1910	23
1911	14
1912	20
1913	47
1914	30
1915	32
1916	51
1917	197
1918	43
1919	63
1920	42
1921	39
1922	87
1923	126
1924	95
1925	225
1926	178
1927	133
1928	106
1929	225
1930	581
1931	378
1932	302
1933	336
1934	640
1935	319
1936	430
1937	172
1938	310
1939	185
1940	243
1941	325
1942	309
1943	375
1944	879
1945	318
1946	260
1947	613
1948	384
1949	917
1950	610
1951	292
1952	496
1953	635
1954	551
1955	422
1956	559
1957	644
1958	615
1959	463
1960	781
1961	655
1962	301
1963	623
1964	823
1965	624
1966	950
1967	697
1968	890
1969	695
1970	710
1971	459
1972	499
1973	499
1974	806
1975	925
1976	644
1977	896
1978	899
1979	1,122
1980	574
1981	489
1982	800
1983	554
1984	846
1985	549
1986	1,228
1987	1,049
1988	919
1989	1,814
1990	1,220
1991	1,028
1992	1,486
1993	795
1994	591
1995	961
1996	1,578
1997	1,127
1998	1,160
1999	1,198
2000	1,357
2001	767
2002	979
2003	1,596
2004	1,490
2005	826
2006	663
2007	1,061
2008	412
2009	732
2010	1,187
2011	604
2012	1,007
2013	1,024
2014	612
2015	589
2016	808
2017	659
2018	454
2019	462
2020	578
2021	517
2022	736
2023	559
2024	841
2025	732
2026	796

Download the Data

Data for records on 1947-05-06: 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).

Histogram of margins by which records were beaten on 6 May 1947
Margin	Records
0 to 10	447
10 to 20	35
20 to 30	18
30 to 40	3
40 to 50	2