Weather Records on 10 May 1947

820 weather records were set or tied worldwide on 10 May 1947. Highest significance: Bad-Neunkirchen Mergentheim, DE.

Key Facts for 10 May 1947

On 10 May 1947, 820 weather records were set or tied at long-record stations worldwide.
91 were record highs and 467 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 147 monthly and 673 daily.
Bad-Neunkirchen Mergentheim set a daily record precipitation of 41.2 mm (1.6 in) on 10 May 1947.
Across 163 earlier years (1805 to 2026) the same calendar date averaged 438 records.

Record Map

820 stations

820 station records on 10 May 1947 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 10 May 1947: highest significance records shown on the map
Station	Country	Type	Value	Significance
Bad-Neunkirchen Mergentheim	Germany	Record daily precipitation	41.2 mm (1.6 in)	53 of 100 (Notable)
Nayagarh	India	Record daily precipitation	65.3 mm (2.6 in)	49 of 100 (Notable)
Ft Davis	United States	Record daily precipitation	52.6 mm (2.1 in)	47 of 100 (Notable)
Simcoe	Canada	Record low minimum temperature	-6.7 C (19.9 F)	46 of 100 (Notable)
Lillydale	South Africa	Record daily precipitation	34.8 mm (1.4 in)	46 of 100 (Notable)
McGaffey Rs	United States	Record daily precipitation	36.1 mm (1.4 in)	46 of 100 (Notable)
Escalante	United States	Record daily precipitation	26.9 mm (1.1 in)	46 of 100 (Notable)
Cumbam	India	Record daily precipitation	70.6 mm (2.8 in)	45 of 100 (Notable)
Whiteriver 1 SW	United States	Record daily precipitation	25.1 mm (1.0 in)	44 of 100 (Notable)
Middelplaats	South Africa	Record daily precipitation	32.8 mm (1.3 in)	42 of 100 (Notable)
Garden City	United States	Record daily precipitation	76.2 mm (3.0 in)	42 of 100 (Notable)
Luis Gomes	Brazil	Record daily precipitation	60.0 mm (2.4 in)	41 of 100 (Notable)
Ignacio 1 N	United States	Record daily precipitation	38.4 mm (1.5 in)	41 of 100 (Notable)
Sao Miguel	Brazil	Record daily precipitation	70.0 mm (2.8 in)	40 of 100 (Notable)
Lake Moraine	United States	Record daily precipitation	55.9 mm (2.2 in)	40 of 100 (Notable)
Goderich	Canada	Record low minimum temperature	-4.4 C (24.1 F)	39 of 100 (Notable)
Jaipur	India	Record daily precipitation	72.4 mm (2.9 in)	39 of 100 (Notable)
Morgantown 1	United States	Record low minimum temperature	-3.9 C (25.0 F)	39 of 100 (Notable)
Ft Stockton 1	United States	Record daily precipitation	44.5 mm (1.8 in)	37 of 100 (Notable)
Spur	United States	Record daily precipitation	75.7 mm (3.0 in)	37 of 100 (Notable)
Quebrangulo	Brazil	Record daily precipitation	78.6 mm (3.1 in)	36 of 100 (Notable)
Mhaswad	India	Record daily precipitation	29.0 mm (1.1 in)	36 of 100 (Notable)
Pasamonte	United States	Record daily precipitation	39.9 mm (1.6 in)	35 of 100 (Notable)
Philippolis (Pol)	South Africa	Record daily precipitation	28.4 mm (1.1 in)	34 of 100 (Routine)
Jamestown	South Africa	Record daily precipitation	37.3 mm (1.5 in)	33 of 100 (Routine)
Herschel	South Africa	Record daily precipitation	38.9 mm (1.5 in)	33 of 100 (Routine)
Reddersburg (Pol)	South Africa	Record daily precipitation	32.5 mm (1.3 in)	33 of 100 (Routine)
Kamiesberg	South Africa	Record daily precipitation	52.3 mm (2.1 in)	32 of 100 (Routine)
Springbok	South Africa	Record daily precipitation	25.1 mm (1.0 in)	32 of 100 (Routine)
Huntington 1	United States	Record low minimum temperature	-2.2 C (28.0 F)	32 of 100 (Routine)
Aachen	Germany	Record daily precipitation	33.6 mm (1.3 in)	31 of 100 (Routine)
Pottangi	India	Record daily precipitation	66.5 mm (2.6 in)	31 of 100 (Routine)
Kranshoek	South Africa	Record daily precipitation	27.9 mm (1.1 in)	31 of 100 (Routine)
Westernport	United States	Record low minimum temperature	-3.3 C (26.1 F)	31 of 100 (Routine)
Espanola	United States	Record daily precipitation	38.1 mm (1.5 in)	31 of 100 (Routine)
Warren 3 S	United States	Record low minimum temperature	-5.0 C (23.0 F)	31 of 100 (Routine)
Mannington 1 N	United States	Record low minimum temperature	-7.2 C (19.0 F)	31 of 100 (Routine)
Alton	Canada	Record daily precipitation	38.1 mm (1.5 in)	30 of 100 (Routine)
Cyferfontein	South Africa	Record daily precipitation	25.1 mm (1.0 in)	30 of 100 (Routine)
Norwalk	United States	Record low minimum temperature	-4.4 C (24.1 F)	30 of 100 (Routine)
North Bridgton	United States	Record low minimum temperature	-5.0 C (23.0 F)	30 of 100 (Routine)
Adaven	United States	Record daily precipitation	26.2 mm (1.0 in)	30 of 100 (Routine)
Lambertville River	United States	Record low minimum temperature	-3.3 C (26.1 F)	30 of 100 (Routine)
Layton 3 NW	United States	Record low minimum temperature	-7.8 C (18.0 F)	30 of 100 (Routine)
Mc Connellsville Lk 7	United States	Record low minimum temperature	-3.9 C (25.0 F)	30 of 100 (Routine)
Millport 4 NE	United States	Record low minimum temperature	-7.2 C (19.0 F)	30 of 100 (Routine)
Philadelphia Shawmont	United States	Record low minimum temperature	-1.1 C (30.0 F)	30 of 100 (Routine)
New Braunfels	United States	Record daily precipitation	61.5 mm (2.4 in)	30 of 100 (Routine)
Grafton 1 NE	United States	Record low minimum temperature	-6.7 C (19.9 F)	30 of 100 (Routine)
Cet Central England	United Kingdom	Record high minimum temperature	11.6 C (52.9 F)	29 of 100 (Routine)
Durango	United States	Record daily precipitation	30.0 mm (1.2 in)	29 of 100 (Routine)
Bateman Rch	United States	Record daily precipitation	25.4 mm (1.0 in)	29 of 100 (Routine)
Ironton	United States	Record low minimum temperature	-2.2 C (28.0 F)	29 of 100 (Routine)
Johnstown	United States	Record low minimum temperature	-2.8 C (27.0 F)	29 of 100 (Routine)
Spencer	United States	Record low minimum temperature	-6.1 C (21.0 F)	29 of 100 (Routine)
Hughenden	South Africa	Record daily precipitation	33.8 mm (1.3 in)	28 of 100 (Routine)
Blikana	South Africa	Record daily precipitation	30.5 mm (1.2 in)	28 of 100 (Routine)
Delaware Cy Reedy Poin	United States	Record low minimum temperature	-0.6 C (30.9 F)	28 of 100 (Routine)
Frankfort Downtown	United States	Record low minimum temperature	-1.1 C (30.0 F)	28 of 100 (Routine)
S Haven	United States	Record low minimum temperature	-4.4 C (24.1 F)	28 of 100 (Routine)

Counts by Type and Timescale

820 records

Records set or tied on 10 May 1947 by type: Highest daily maximum 23, Lowest daily maximum 70, Highest daily minimum 68, Lowest daily minimum 397, Heaviest daily rainfall 262.

Records on 10 May 1947 by type
Record type	Records
Highest daily maximum	23
Lowest daily maximum	70
Highest daily minimum	68
Lowest daily minimum	397
Heaviest daily rainfall	262
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 10 May 1947 by timescale: all-time 0, monthly 147, daily 673.

How Much Records Were Beaten By

655 broken records

Margins by which the 655 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 63.2. Ties are not counted.

Top 20 by Significance

10 May 1947

Top 20 records on 10 May 1947 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
10 May 1947	Bad-Neunkirchen Mergentheim, DE	daily rain	41.2 mm (1.6 in)	31.5 mm (1.2 in)	33 years	53 of 100 (Notable)
10 May 1947	Nayagarh, IN	daily rain	65.3 mm (2.6 in)	50.8 mm (2.0 in)	18 years	49 of 100 (Notable)
10 May 1947	Ft Davis, US	daily rain	52.6 mm (2.1 in)	49.8 mm (2.0 in)	10 years	47 of 100 (Notable)
10 May 1947	Simcoe, CA	monthly low min	-6.7 C (19.9 F)	2.3 C (4.1 F)	80 years	46 of 100 (Notable)
10 May 1947	Lillydale, ZA	daily rain	34.8 mm (1.4 in)	27.9 mm (1.1 in)	14 years	46 of 100 (Notable)
10 May 1947	McGaffey Rs, US	monthly rain	36.1 mm (1.4 in)	13.5 mm (0.5 in)	19 years	46 of 100 (Notable)
10 May 1947	Escalante, US	daily rain	26.9 mm (1.1 in)	21.8 mm (0.9 in)	41 years	46 of 100 (Notable)
10 May 1947	Cumbam, IN	daily rain	70.6 mm (2.8 in)	63.2 mm (2.5 in)	16 years	45 of 100 (Notable)
10 May 1947	Whiteriver 1 SW, US	daily rain	25.1 mm (1.0 in)	18.7 mm (0.7 in)	24 years	44 of 100 (Notable)
10 May 1947	Middelplaats, ZA	daily rain	32.8 mm (1.3 in)	26.7 mm (1.1 in)	24 years	42 of 100 (Notable)
10 May 1947	Garden City, US	daily rain	76.2 mm (3.0 in)	43.2 mm (1.7 in)	14 years	42 of 100 (Notable)
10 May 1947	Luis Gomes, BR	daily rain	60.0 mm (2.4 in)	44.6 mm (1.8 in)	30 years	41 of 100 (Notable)
10 May 1947	Ignacio 1 N, US	monthly rain	38.4 mm (1.5 in)	9.7 mm (0.38 in)	26 years	41 of 100 (Notable)
10 May 1947	Sao Miguel, BR	daily rain	70.0 mm (2.8 in)	45.6 mm (1.8 in)	30 years	40 of 100 (Notable)
10 May 1947	Lake Moraine, US	daily rain	55.9 mm (2.2 in)	31.5 mm (1.2 in)	16 years	40 of 100 (Notable)
10 May 1947	Goderich, CA	daily low min	-4.4 C (24.1 F)	3.8 C (6.8 F)	79 years	39 of 100 (Notable)
10 May 1947	Jaipur, IN	daily rain	72.4 mm (2.9 in)	31.0 mm (1.2 in)	41 years	39 of 100 (Notable)
10 May 1947	Morgantown 1, US	monthly low min	-3.9 C (25.0 F)	0.6 C (1.1 F)	71 years	39 of 100 (Notable)
10 May 1947	Ft Stockton 1, US	daily rain	44.5 mm (1.8 in)	34.3 mm (1.4 in)	14 years	37 of 100 (Notable)
10 May 1947	Spur, US	daily rain	75.7 mm (3.0 in)	41.7 mm (1.6 in)	4 years	37 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

1805 to 1947

Records set or tied on this calendar date in each year from 1805 to 1947. 1947 had 820 records.

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

Records on 05-10 in each year
Year	Records
1805	1
1814	2
1832	1
1834	1
1836	4
1838	1
1843	1
1846	1
1848	1
1855	2
1858	1
1860	1
1861	2
1867	3
1868	1
1869	1
1872	1
1874	4
1876	1
1878	1
1879	2
1880	3
1881	3
1883	1
1884	2
1885	2
1886	1
1887	1
1888	2
1889	4
1890	2
1891	2
1893	1
1895	4
1896	6
1897	4
1898	5
1900	4
1901	6
1902	18
1903	6
1904	7
1905	21
1906	42
1907	33
1908	10
1909	17
1910	21
1911	55
1912	15
1913	23
1914	17
1915	18
1916	26
1917	23
1918	105
1919	145
1920	54
1921	143
1922	38
1923	291
1924	198
1925	163
1926	291
1927	296
1928	189
1929	102
1930	647
1931	277
1932	145
1933	516
1934	412
1935	200
1936	439
1937	148
1938	179
1939	179
1940	317
1941	257
1942	237
1943	482
1944	200
1945	646
1946	455
1947	820
1948	491
1949	492
1950	356
1951	281
1952	342
1953	627
1954	554
1955	272
1956	669
1957	374
1958	338
1959	192
1960	660
1961	722
1962	593
1963	951
1964	259
1965	413
1966	1,290
1967	932
1968	861
1969	325
1970	555
1971	416
1972	573
1973	429
1974	608
1975	448
1976	672
1977	1,075
1978	815
1979	1,927
1980	865
1981	1,213
1982	671
1983	753
1984	635
1985	925
1986	669
1987	1,270
1988	490
1989	1,365
1990	1,071
1991	854
1992	875
1993	1,056
1994	622
1995	1,129
1996	1,469
1997	1,215
1998	1,268
1999	1,299
2000	1,036
2001	842
2002	867
2003	1,688
2004	735
2005	761
2006	879
2007	815
2008	877
2009	651
2010	855
2011	1,288
2012	1,054
2013	635
2014	506
2015	943
2016	815
2017	702
2018	923
2019	1,254
2020	1,346
2021	635
2022	1,346
2023	359
2024	622
2025	1,094
2026	496

Download the Data

Data for records on 1947-05-10: 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 10	558
10 to 20	65
20 to 30	19
30 to 40	5
40 to 50	5
50 to 60	1
60 to 70	2