Weather Records on 6 April 1947

411 weather records were set or tied worldwide on 6 April 1947. Highest significance: Aachen, DE.

Key Facts for 6 April 1947

On 6 April 1947, 411 weather records were set or tied at long-record stations worldwide.
217 were record highs and 30 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 16 monthly and 395 daily.
Aachen set a monthly record daily precipitation of 46.5 mm (1.8 in) on 6 April 1947.
Across 156 earlier years (1808 to 2026) the same calendar date averaged 487 records.

Record Map

411 stations

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

Weather records on 6 April 1947: highest significance records shown on the map
Station	Country	Type	Value	Significance
Aachen	Germany	Record daily precipitation	46.5 mm (1.8 in)	60 of 100 (Major)
Clayoquot	Canada	Record daily precipitation	102.9 mm (4.1 in)	53 of 100 (Notable)
Minocqua	United States	Record daily precipitation	44.5 mm (1.8 in)	48 of 100 (Notable)
Ucluelet	Canada	Record daily precipitation	104.1 mm (4.1 in)	47 of 100 (Notable)
Worthington	United States	Record daily precipitation	30.7 mm (1.2 in)	43 of 100 (Notable)
Long Prairie	United States	Record daily precipitation	31.2 mm (1.2 in)	40 of 100 (Notable)
Eureka	United States	Record snow depth	22.9 cm (9.0 in)	40 of 100 (Notable)
Detroit Lakes 1 NNE	United States	Record daily precipitation	50.0 mm (2.0 in)	37 of 100 (Notable)
Williston Sloulin Fld	United States	Record snow depth	17.8 cm (7.0 in)	37 of 100 (Notable)
Amenia	United States	Record daily precipitation	37.1 mm (1.5 in)	36 of 100 (Notable)
Merrill	United States	Record daily precipitation	37.3 mm (1.5 in)	35 of 100 (Notable)
Shawano 2SSW	United States	Record daily precipitation	41.1 mm (1.6 in)	34 of 100 (Routine)
Gargoti	India	Record daily precipitation	39.4 mm (1.6 in)	33 of 100 (Routine)
Kolhapur	India	Record daily precipitation	30.7 mm (1.2 in)	31 of 100 (Routine)
Washington	United States	Record high minimum temperature	18.3 C (64.9 F)	31 of 100 (Routine)
Lysebotn	Norway	Record daily precipitation	51.1 mm (2.0 in)	30 of 100 (Routine)
Deer Park Sf	United States	Record daily precipitation	31.8 mm (1.3 in)	30 of 100 (Routine)
Ephrata	United States	Record high minimum temperature	17.8 C (64.0 F)	30 of 100 (Routine)
Faulkton	United States	Record snow depth	10.2 cm (4.0 in)	30 of 100 (Routine)
Jacksonville Wb City	United States	Record high maximum temperature	32.2 C (90.0 F)	30 of 100 (Routine)
Cranganore	India	Record daily precipitation	45.7 mm (1.8 in)	29 of 100 (Routine)
Ft Ripley	United States	Record daily precipitation	27.4 mm (1.1 in)	29 of 100 (Routine)
Bainbridge 2 E	United States	Record daily precipitation	29.5 mm (1.2 in)	29 of 100 (Routine)
Sidney 2 N	United States	Record daily precipitation	38.1 mm (1.5 in)	29 of 100 (Routine)
Camp Crook	United States	Record snow depth	20.3 cm (8.0 in)	29 of 100 (Routine)
Park Rapids Muni AP	United States	Record daily snowfall	15.2 cm (6.0 in)	29 of 100 (Routine)
Moorestown 4 E	United States	Record high minimum temperature	16.1 C (61.0 F)	28 of 100 (Routine)
Romney 1 SW	United States	Record high minimum temperature	16.1 C (61.0 F)	28 of 100 (Routine)
Ibicua	Brazil	Record daily precipitation	106.4 mm (4.2 in)	27 of 100 (Routine)
Altastenberg	Germany	Record daily precipitation	28.0 mm (1.1 in)	27 of 100 (Routine)
Mahackala	Russia	Record high minimum temperature	12.9 C (55.2 F)	27 of 100 (Routine)
Lexington	United States	Record high minimum temperature	16.1 C (61.0 F)	27 of 100 (Routine)
Philadelphia City	United States	Record high minimum temperature	16.7 C (62.1 F)	27 of 100 (Routine)
Suldalsvatn	Norway	Record daily precipitation	42.0 mm (1.7 in)	26 of 100 (Routine)
Grimes Pass 6 S	United States	Record daily snowfall	10.2 cm (4.0 in)	26 of 100 (Routine)
Philadelphia Shawmont	United States	Record high minimum temperature	22.8 C (73.0 F)	26 of 100 (Routine)
Warren	United States	Record daily precipitation	30.5 mm (1.2 in)	26 of 100 (Routine)
Ville Marie	Canada	Record daily precipitation	31.0 mm (1.2 in)	25 of 100 (Routine)
Wilmington Wb City	United States	Record high minimum temperature	18.9 C (66.0 F)	25 of 100 (Routine)
Camden 3 W	United States	Record high minimum temperature	17.8 C (64.0 F)	25 of 100 (Routine)
De Smet	United States	Record daily precipitation	37.6 mm (1.5 in)	25 of 100 (Routine)
Nyabing	Australia	Record daily precipitation	52.1 mm (2.1 in)	24 of 100 (Routine)
Oktjabrskij-Gorodok	Russia	Record high maximum temperature	16.8 C (62.2 F)	24 of 100 (Routine)
Delaware Cy Reedy Poin	United States	Record high minimum temperature	15.6 C (60.1 F)	24 of 100 (Routine)
Edmonton 3 W	United States	Record daily precipitation	26.7 mm (1.1 in)	24 of 100 (Routine)
Grand Rapids Sutron	United States	Record daily precipitation	26.7 mm (1.1 in)	24 of 100 (Routine)
Weldon	United States	Record high minimum temperature	20.0 C (68.0 F)	24 of 100 (Routine)
Darlington Wwtp	United States	Record daily precipitation	32.5 mm (1.3 in)	24 of 100 (Routine)
Martinsburg E W Virginia Rgnl	United States	Record high minimum temperature	16.1 C (61.0 F)	24 of 100 (Routine)
Ekaterinburg	Russia	Record high maximum temperature	19.2 C (66.6 F)	23 of 100 (Routine)
Eastport	United States	Record high minimum temperature	3.9 C (39.0 F)	23 of 100 (Routine)
Clayton	United States	Record high minimum temperature	17.2 C (63.0 F)	23 of 100 (Routine)
Indian Mills 2 W	United States	Record high minimum temperature	14.4 C (57.9 F)	23 of 100 (Routine)
Gettysburg	United States	Record high minimum temperature	16.7 C (62.1 F)	23 of 100 (Routine)
Kazan	Russia	Record high minimum temperature	4.7 C (40.5 F)	22 of 100 (Routine)
Ufa	Russia	Record high minimum temperature	5.5 C (41.9 F)	22 of 100 (Routine)
Dover	United States	Record high minimum temperature	17.8 C (64.0 F)	22 of 100 (Routine)
Trenton 2	United States	Record high minimum temperature	13.9 C (57.0 F)	22 of 100 (Routine)
Eureka	United States	Record daily snowfall	14.2 cm (5.6 in)	22 of 100 (Routine)
Ashland	United States	Record high minimum temperature	18.9 C (66.0 F)	22 of 100 (Routine)

Counts by Type and Timescale

411 records

Records set or tied on 6 April 1947 by type: Highest daily maximum 51, Lowest daily maximum 20, Highest daily minimum 166, Lowest daily minimum 10, Heaviest daily rainfall 133, Heaviest daily snowfall 22, Deepest snow cover 9.

Records on 6 April 1947 by type
Record type	Records
Highest daily maximum	51
Lowest daily maximum	20
Highest daily minimum	166
Lowest daily minimum	10
Heaviest daily rainfall	133
Heaviest daily snowfall	22
Deepest snow cover	9

Records on 6 April 1947 by timescale: all-time 0, monthly 16, daily 395.

How Much Records Were Beaten By

329 broken records

Margins by which the 329 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 178.0. Ties are not counted.

Top 20 by Significance

6 April 1947

Top 20 records on 6 April 1947 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
6 April 1947	Aachen, DE	monthly rain	46.5 mm (1.8 in)	14.2 mm (0.6 in)	50 years	60 of 100 (Major)
6 April 1947	Clayoquot, CA	daily rain	102.9 mm (4.1 in)	71.7 mm (2.8 in)	29 years	53 of 100 (Notable)
6 April 1947	Minocqua, US	daily rain	44.5 mm (1.8 in)	24.2 mm (1.0 in)	34 years	48 of 100 (Notable)
6 April 1947	Ucluelet, CA	daily rain	104.1 mm (4.1 in)	60.4 mm (2.4 in)	14 years	47 of 100 (Notable)
6 April 1947	Worthington, US	daily rain	30.7 mm (1.2 in)	20.0 mm (0.8 in)	51 years	43 of 100 (Notable)
6 April 1947	Long Prairie, US	daily rain	31.2 mm (1.2 in)	21.8 mm (0.9 in)	44 years	40 of 100 (Notable)
6 April 1947	Eureka, US	daily snow depth	22.9 cm (9.0 in)	17.8 cm (7.0 in)	12 years	40 of 100 (Notable)
6 April 1947	Detroit Lakes 1 NNE, US	daily rain	50.0 mm (2.0 in)	19.0 mm (0.7 in)	24 years	37 of 100 (Notable)
6 April 1947	Williston Sloulin Fld, US	daily snow depth	17.8 cm (7.0 in)	17.8 cm (7.0 in)	51 years	37 of 100 (Notable)
6 April 1947	Amenia, US	daily rain	37.1 mm (1.5 in)	27.4 mm (1.1 in)	4 years	36 of 100 (Notable)
6 April 1947	Merrill, US	daily rain	37.3 mm (1.5 in)	19.8 mm (0.8 in)	17 years	35 of 100 (Notable)
6 April 1947	Shawano 2SSW, US	daily rain	41.1 mm (1.6 in)	20.8 mm (0.8 in)	22 years	34 of 100 (Routine)
6 April 1947	Gargoti, IN	daily rain	39.4 mm (1.6 in)	19.1 mm (0.8 in)	45 years	33 of 100 (Routine)
6 April 1947	Kolhapur, IN	daily rain	30.7 mm (1.2 in)	19.0 mm (0.7 in)	34 years	31 of 100 (Routine)
6 April 1947	Washington, US	daily high min	18.3 C (64.9 F)	2.7 C (4.9 F)	54 years	31 of 100 (Routine)
6 April 1947	Lysebotn, NO	daily rain	51.1 mm (2.0 in)	25.7 mm (1.0 in)	0 years	30 of 100 (Routine)
6 April 1947	Deer Park Sf, US	daily rain	31.8 mm (1.3 in)	15.3 mm (0.6 in)	13 years	30 of 100 (Routine)
6 April 1947	Ephrata, US	monthly high min	17.8 C (64.0 F)	1.7 C (3.1 F)	44 years	30 of 100 (Routine)
6 April 1947	Faulkton, US	daily snow depth	10.2 cm (4.0 in)	10.2 cm (4.0 in)	50 years	30 of 100 (Routine)
6 April 1947	Jacksonville Wb City, US	daily high max	32.2 C (90.0 F)	0.5 C (0.9 F)	73 years	30 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

1808 to 1947

Records set or tied on this calendar date in each year from 1808 to 1947. 1947 had 411 records.

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

Records on 04-06 in each year
Year	Records
1808	1
1809	2
1815	1
1839	2
1841	1
1848	1
1851	1
1853	1
1857	1
1859	2
1862	1
1863	1
1864	2
1866	1
1874	1
1881	5
1883	1
1884	1
1886	6
1887	2
1888	4
1889	1
1892	4
1893	1
1894	4
1895	3
1896	3
1897	2
1898	5
1899	3
1900	3
1901	5
1902	6
1903	5
1904	16
1905	18
1906	8
1907	21
1908	11
1909	43
1910	59
1911	59
1912	49
1913	101
1914	32
1915	25
1916	43
1917	120
1918	68
1919	65
1920	57
1921	229
1922	96
1923	96
1924	91
1925	73
1926	442
1927	80
1928	398
1929	959
1930	265
1931	248
1932	257
1933	499
1934	211
1935	460
1936	911
1937	301
1938	637
1939	611
1940	257
1941	205
1942	413
1943	510
1944	369
1945	303
1946	312
1947	411
1948	417
1949	316
1950	664
1951	559
1952	492
1953	261
1954	789
1955	342
1956	360
1957	330
1958	507
1959	551
1960	718
1961	382
1962	456
1963	551
1964	558
1965	524
1966	390
1967	671
1968	507
1969	504
1970	525
1971	691
1972	772
1973	449
1974	580
1975	1,188
1976	356
1977	838
1978	654
1979	1,233
1980	520
1981	388
1982	3,186
1983	1,454
1984	578
1985	856
1986	654
1987	1,120
1988	1,273
1989	1,396
1990	856
1991	1,939
1992	952
1993	721
1994	1,124
1995	973
1996	1,054
1997	1,870
1998	860
1999	1,703
2000	714
2001	1,172
2002	778
2003	1,339
2004	669
2005	818
2006	1,131
2007	1,328
2008	803
2009	885
2010	1,352
2011	841
2012	675
2013	595
2014	518
2015	396
2016	920
2017	490
2018	1,069
2019	397
2020	608
2021	948
2022	854
2023	1,598
2024	1,706
2025	1,034
2026	600

Download the Data

Data for records on 1947-04-06: 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).

Margin	Records
0 to 25	308
25 to 50	8
50 to 75	7
75 to 100	2
100 to 125	1
125 to 150	0
150 to 175	0
175 to 200	3