Weather Records on 12 April 1947

733 weather records were set or tied worldwide on 12 April 1947. Highest significance: Radhapuram, IN.

Key Facts for 12 April 1947

On 12 April 1947, 733 weather records were set or tied at long-record stations worldwide.
316 were record highs and 62 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 40 monthly and 693 daily.
Radhapuram set a monthly record daily precipitation of 146.8 mm (5.8 in) on 12 April 1947.
Across 161 earlier years (1793 to 2026) the same calendar date averaged 500 records.

Record Map

733 stations

733 station records on 12 April 1947 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 12 April 1947: highest significance records shown on the map
Station	Country	Type	Value	Significance
Radhapuram	India	Record daily precipitation	146.8 mm (5.8 in)	57 of 100 (Notable)
Koo Wee Rup	Australia	Record daily precipitation	58.4 mm (2.3 in)	56 of 100 (Notable)
Thiruvalla	India	Record daily precipitation	99.3 mm (3.9 in)	56 of 100 (Notable)
Sattur	India	Record daily precipitation	149.1 mm (5.9 in)	56 of 100 (Notable)
Tenkasi	India	Record daily precipitation	91.7 mm (3.6 in)	55 of 100 (Notable)
Vilatnikulam	India	Record daily precipitation	146.8 mm (5.8 in)	55 of 100 (Notable)
Eltham	Australia	Record daily precipitation	50.0 mm (2.0 in)	53 of 100 (Notable)
Ambasamudram	India	Record daily precipitation	86.4 mm (3.4 in)	51 of 100 (Notable)
Kulasekarapatnam	India	Record daily precipitation	101.1 mm (4.0 in)	51 of 100 (Notable)
Kirnur Nam	India	Record daily precipitation	102.9 mm (4.1 in)	51 of 100 (Notable)
Shencottah	India	Record daily precipitation	77.5 mm (3.1 in)	51 of 100 (Notable)
Buffalo 2 SSW	United States	Record daily precipitation	56.6 mm (2.2 in)	51 of 100 (Notable)
Yan Yean	Australia	Record daily precipitation	32.0 mm (1.3 in)	50 of 100 (Notable)
Uthamapalayam	India	Record daily precipitation	83.8 mm (3.3 in)	50 of 100 (Notable)
Garfield	Australia	Record daily precipitation	53.3 mm (2.1 in)	49 of 100 (Notable)
Kottayam P.W.D	India	Record daily precipitation	77.5 mm (3.1 in)	49 of 100 (Notable)
Epping	Australia	Record daily precipitation	52.6 mm (2.1 in)	48 of 100 (Notable)
Ricardo	United States	Record daily precipitation	96.8 mm (3.8 in)	48 of 100 (Notable)
Orlando Executive AP	United States	Record daily precipitation	63.2 mm (2.5 in)	47 of 100 (Notable)
Peraiyur	India	Record daily precipitation	96.8 mm (3.8 in)	46 of 100 (Notable)
Srivilliputhur	India	Record daily precipitation	117.3 mm (4.6 in)	46 of 100 (Notable)
Kadayam	India	Record daily precipitation	72.4 mm (2.9 in)	46 of 100 (Notable)
Ironwood	United States	Record daily snowfall	27.9 cm (11.0 in)	46 of 100 (Notable)
Giffard	Australia	Record daily precipitation	36.8 mm (1.4 in)	45 of 100 (Notable)
Warragul	Australia	Record daily precipitation	55.9 mm (2.2 in)	45 of 100 (Notable)
Kew	Australia	Record daily precipitation	39.4 mm (1.6 in)	45 of 100 (Notable)
Mickleham	Australia	Record daily precipitation	34.3 mm (1.4 in)	45 of 100 (Notable)
Kumily	India	Record daily precipitation	92.2 mm (3.6 in)	45 of 100 (Notable)
Cranganore	India	Record daily precipitation	114.3 mm (4.5 in)	45 of 100 (Notable)
Melur	India	Record daily precipitation	107.7 mm (4.2 in)	45 of 100 (Notable)
Ayikudi	India	Record daily precipitation	63.5 mm (2.5 in)	45 of 100 (Notable)
Preston Reservoir	Australia	Record daily precipitation	64.5 mm (2.5 in)	44 of 100 (Notable)
Ganmain Post Office	Australia	Record daily precipitation	27.7 mm (1.1 in)	43 of 100 (Notable)
Canterbury	Australia	Record daily precipitation	42.4 mm (1.7 in)	42 of 100 (Notable)
Kodaikanal	India	Record daily precipitation	77.7 mm (3.1 in)	42 of 100 (Notable)
Mudukulathur	India	Record daily precipitation	81.8 mm (3.2 in)	42 of 100 (Notable)
Warragul (Carbethon)	Australia	Record daily precipitation	39.1 mm (1.5 in)	41 of 100 (Notable)
Newark Liberty Intl AP	United States	Record high maximum temperature	26.7 C (80.1 F)	41 of 100 (Notable)
Prahran (Como House)	Australia	Record daily precipitation	39.6 mm (1.6 in)	40 of 100 (Notable)
Sankarankoil	India	Record daily precipitation	85.6 mm (3.4 in)	40 of 100 (Notable)
Howard 2SE	United States	Record daily precipitation	60.2 mm (2.4 in)	40 of 100 (Notable)
San Jon	United States	Record daily snowfall	12.7 cm (5.0 in)	40 of 100 (Notable)
Melbourne Regional Office	Australia	Record daily precipitation	35.8 mm (1.4 in)	39 of 100 (Notable)
Dharmasala	India	Record daily precipitation	40.6 mm (1.6 in)	38 of 100 (Notable)
Isleworth	United States	Record daily precipitation	63.5 mm (2.5 in)	38 of 100 (Notable)
Narre Warren North (Narre Warr	Australia	Record daily precipitation	45.7 mm (1.8 in)	37 of 100 (Notable)
Nanguneri	India	Record daily precipitation	62.7 mm (2.5 in)	37 of 100 (Notable)
Kailua 446	United States	Record daily precipitation	136.7 mm (5.4 in)	37 of 100 (Notable)
Croydon State School	Australia	Record daily precipitation	39.1 mm (1.5 in)	36 of 100 (Notable)
Hawthorn	Australia	Record daily precipitation	33.0 mm (1.3 in)	36 of 100 (Notable)
Mistassini Post	Canada	Record low maximum temperature	-18.3 C (-0.9 F)	36 of 100 (Notable)
Flatonia 4SE	United States	Record daily precipitation	74.9 mm (2.9 in)	36 of 100 (Notable)
Woodside	Australia	Record daily precipitation	48.3 mm (1.9 in)	35 of 100 (Notable)
Pamban	India	Record daily precipitation	62.7 mm (2.5 in)	35 of 100 (Notable)
Manamathurai	India	Record daily precipitation	106.4 mm (4.2 in)	35 of 100 (Notable)
Aruppukottai	India	Record daily precipitation	74.7 mm (2.9 in)	35 of 100 (Notable)
Plant City	United States	Record daily precipitation	73.9 mm (2.9 in)	35 of 100 (Notable)
Amite	United States	Record daily precipitation	102.1 mm (4.0 in)	35 of 100 (Notable)
Sholavandan	India	Record daily precipitation	63.5 mm (2.5 in)	34 of 100 (Routine)
Ramanathapuram	India	Record daily precipitation	115.6 mm (4.6 in)	34 of 100 (Routine)

Counts by Type and Timescale

733 records

Records set or tied on 12 April 1947 by type: Highest daily maximum 89, Lowest daily maximum 47, Highest daily minimum 227, Lowest daily minimum 15, Heaviest daily rainfall 329, Heaviest daily snowfall 23, Deepest snow cover 3.

Records on 12 April 1947 by type
Record type	Records
Highest daily maximum	89
Lowest daily maximum	47
Highest daily minimum	227
Lowest daily minimum	15
Heaviest daily rainfall	329
Heaviest daily snowfall	23
Deepest snow cover	3

Records on 12 April 1947 by timescale: all-time 0, monthly 40, daily 693.

How Much Records Were Beaten By

644 broken records

Margins by which the 644 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 230.0. Ties are not counted.

Top 20 by Significance

12 April 1947

Top 20 records on 12 April 1947 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
12 April 1947	Radhapuram, IN	monthly rain	146.8 mm (5.8 in)	80.0 mm (3.1 in)	12 years	57 of 100 (Notable)
12 April 1947	Koo Wee Rup, AU	monthly rain	58.4 mm (2.3 in)	23.9 mm (0.9 in)	11 years	56 of 100 (Notable)
12 April 1947	Thiruvalla, IN	daily rain	99.3 mm (3.9 in)	65.8 mm (2.6 in)	41 years	56 of 100 (Notable)
12 April 1947	Sattur, IN	monthly rain	149.1 mm (5.9 in)	56.4 mm (2.2 in)	27 years	56 of 100 (Notable)
12 April 1947	Tenkasi, IN	daily rain	91.7 mm (3.6 in)	57.9 mm (2.3 in)	40 years	55 of 100 (Notable)
12 April 1947	Vilatnikulam, IN	monthly rain	146.8 mm (5.8 in)	70.6 mm (2.8 in)	4 years	55 of 100 (Notable)
12 April 1947	Eltham, AU	daily rain	50.0 mm (2.0 in)	33.2 mm (1.3 in)	32 years	53 of 100 (Notable)
12 April 1947	Ambasamudram, IN	daily rain	86.4 mm (3.4 in)	58.7 mm (2.3 in)	25 years	51 of 100 (Notable)
12 April 1947	Kulasekarapatnam, IN	daily rain	101.1 mm (4.0 in)	71.4 mm (2.8 in)	25 years	51 of 100 (Notable)
12 April 1947	Kirnur Nam, IN	daily rain	102.9 mm (4.1 in)	83.3 mm (3.3 in)	25 years	51 of 100 (Notable)
12 April 1947	Shencottah, IN	daily rain	77.5 mm (3.1 in)	59.7 mm (2.4 in)	26 years	51 of 100 (Notable)
12 April 1947	Buffalo 2 SSW, US	daily rain	56.6 mm (2.2 in)	42.1 mm (1.7 in)	24 years	51 of 100 (Notable)
12 April 1947	Yan Yean, AU	daily rain	32.0 mm (1.3 in)	19.8 mm (0.8 in)	54 years	50 of 100 (Notable)
12 April 1947	Uthamapalayam, IN	daily rain	83.8 mm (3.3 in)	54.8 mm (2.2 in)	32 years	50 of 100 (Notable)
12 April 1947	Garfield, AU	daily rain	53.3 mm (2.1 in)	31.7 mm (1.2 in)	32 years	49 of 100 (Notable)
12 April 1947	Kottayam P.W.D, IN	daily rain	77.5 mm (3.1 in)	54.1 mm (2.1 in)	44 years	49 of 100 (Notable)
12 April 1947	Epping, AU	daily rain	52.6 mm (2.1 in)	32.0 mm (1.3 in)	32 years	48 of 100 (Notable)
12 April 1947	Ricardo, US	daily rain	96.8 mm (3.8 in)	93.2 mm (3.7 in)	24 years	48 of 100 (Notable)
12 April 1947	Orlando Executive AP, US	daily rain	63.2 mm (2.5 in)	42.4 mm (1.7 in)	33 years	47 of 100 (Notable)
12 April 1947	Peraiyur, IN	daily rain	96.8 mm (3.8 in)	79.0 mm (3.1 in)	9 years	46 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

1793 to 1947

Records set or tied on this calendar date in each year from 1793 to 1947. 1947 had 733 records.

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

Records on 04-12 in each year
Year	Records
1793	1
1805	1
1810	1
1812	2
1817	2
1826	1
1831	1
1845	1
1850	1
1854	1
1865	2
1866	2
1868	4
1869	5
1871	1
1873	1
1874	5
1876	2
1877	1
1878	1
1879	4
1881	1
1882	1
1885	2
1889	4
1890	10
1891	3
1892	2
1893	4
1894	1
1895	1
1896	1
1897	4
1898	4
1899	5
1900	6
1901	5
1902	3
1903	10
1904	11
1905	19
1906	24
1907	5
1908	10
1909	16
1910	15
1911	26
1912	48
1913	88
1914	41
1915	125
1916	37
1917	33
1918	40
1919	39
1920	148
1921	34
1922	48
1923	134
1924	69
1925	178
1926	347
1927	179
1928	145
1929	141
1930	638
1931	267
1932	253
1933	551
1934	531
1935	171
1936	277
1937	236
1938	175
1939	1,174
1940	1,407
1941	869
1942	191
1943	614
1944	423
1945	884
1946	347
1947	733
1948	1,496
1949	358
1950	638
1951	1,102
1952	455
1953	707
1954	424
1955	611
1956	382
1957	910
1958	542
1959	513
1960	314
1961	551
1962	510
1963	518
1964	363
1965	659
1966	520
1967	682
1968	717
1969	352
1970	568
1971	587
1972	1,316
1973	903
1974	822
1975	704
1976	1,076
1977	1,069
1978	533
1979	1,096
1980	611
1981	1,068
1982	852
1983	877
1984	671
1985	734
1986	1,350
1987	606
1988	1,369
1989	1,838
1990	946
1991	1,484
1992	1,000
1993	586
1994	1,375
1995	1,173
1996	994
1997	3,094
1998	1,409
1999	873
2000	784
2001	1,369
2002	600
2003	1,079
2004	964
2005	536
2006	796
2007	1,144
2008	1,015
2009	811
2010	935
2011	1,026
2012	666
2013	1,039
2014	597
2015	504
2016	595
2017	519
2018	868
2019	685
2020	1,150
2021	710
2022	1,862
2023	1,262
2024	1,086
2025	1,281
2026	622

Download the Data

Data for records on 1947-04-12: 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 50	608
50 to 100	31
100 to 150	3
150 to 200	0
200 to 250	2