Weather Records on 18 April 1946

357 weather records were set or tied worldwide on 18 April 1946. Highest significance: Nelson Bay (Nelson Head), AU.

Key Facts for 18 April 1946

On 18 April 1946, 357 weather records were set or tied at long-record stations worldwide.
194 were record highs and 47 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 13 monthly and 344 daily.
Nelson Bay (Nelson Head) set a daily record precipitation of 108.2 mm (4.3 in) on 18 April 1946.
Across 160 earlier years (1793 to 2026) the same calendar date averaged 468 records.

Record Map

357 stations

357 station records on 18 April 1946 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 April 1946: highest significance records shown on the map
Station	Country	Type	Value	Significance
Nelson Bay (Nelson Head)	Australia	Record daily precipitation	108.2 mm (4.3 in)	56 of 100 (Notable)
St.Clair	Australia	Record daily precipitation	65.0 mm (2.6 in)	56 of 100 (Notable)
Ellerston (Hunters Vale)	Australia	Record daily precipitation	57.2 mm (2.3 in)	51 of 100 (Notable)
Epping Chester Street	Australia	Record daily precipitation	69.9 mm (2.8 in)	49 of 100 (Notable)
Malvan	India	Record daily precipitation	29.5 mm (1.2 in)	46 of 100 (Notable)
Middleton (Sar)	South Africa	Record daily precipitation	29.2 mm (1.1 in)	46 of 100 (Notable)
Ilford (Warrangunyah)	Australia	Record daily precipitation	39.9 mm (1.6 in)	43 of 100 (Notable)
Gargoti	India	Record daily precipitation	35.8 mm (1.4 in)	39 of 100 (Notable)
Wyong (Wyong Golf Club)	Australia	Record daily precipitation	81.3 mm (3.2 in)	38 of 100 (Notable)
Gosford (Gertrude Place)	Australia	Record daily precipitation	134.6 mm (5.3 in)	36 of 100 (Notable)
Puri	India	Record daily precipitation	36.8 mm (1.4 in)	36 of 100 (Notable)
Bhawanipatna	India	Record daily precipitation	39.9 mm (1.6 in)	34 of 100 (Routine)
Lumberton	United States	Record daily precipitation	61.0 mm (2.4 in)	34 of 100 (Routine)
Sawantwadi	India	Record daily precipitation	27.9 mm (1.1 in)	33 of 100 (Routine)
Santa Fe	United States	Record high maximum temperature	25.0 C (77.0 F)	31 of 100 (Routine)
Richmond - Uws Hawkesbury	Australia	Record daily precipitation	36.6 mm (1.4 in)	30 of 100 (Routine)
Borsat	India	Record daily precipitation	55.9 mm (2.2 in)	30 of 100 (Routine)
Sathenapalli	India	Record daily precipitation	86.4 mm (3.4 in)	29 of 100 (Routine)
Baliapal	India	Record daily precipitation	30.5 mm (1.2 in)	29 of 100 (Routine)
Wyalkatchem	Australia	Record daily precipitation	29.2 mm (1.1 in)	27 of 100 (Routine)
Gordon Golf Club	Australia	Record daily precipitation	78.7 mm (3.1 in)	26 of 100 (Routine)
Mangalgiri	India	Record daily precipitation	35.6 mm (1.4 in)	26 of 100 (Routine)
Florence	United States	Record high maximum temperature	40.6 C (105.1 F)	26 of 100 (Routine)
Granite Reef Dam	United States	Record high maximum temperature	40.0 C (104.0 F)	26 of 100 (Routine)
Lochinvar	Australia	Record daily precipitation	47.2 mm (1.9 in)	25 of 100 (Routine)
Tahlee (Carrington (Church St)	Australia	Record daily precipitation	55.1 mm (2.2 in)	25 of 100 (Routine)
Wyee (Wyee Farms Rd)	Australia	Record daily precipitation	114.3 mm (4.5 in)	25 of 100 (Routine)
Bjuraker	Sweden	Record high minimum temperature	3.8 C (38.8 F)	25 of 100 (Routine)
Campbells Hill	Australia	Record daily precipitation	25.4 mm (1.0 in)	24 of 100 (Routine)
Denman (Palace Street)	Australia	Record daily precipitation	25.1 mm (1.0 in)	24 of 100 (Routine)
Crown St. Reservoir	Australia	Record daily precipitation	44.2 mm (1.7 in)	24 of 100 (Routine)
Vastervik	Sweden	Record high minimum temperature	6.0 C (42.8 F)	24 of 100 (Routine)
Saentis	Switzerland	Record high maximum temperature	6.2 C (43.2 F)	24 of 100 (Routine)
Nashua 2 NNW	United States	Record low minimum temperature	-6.7 C (19.9 F)	24 of 100 (Routine)
West Branch	United States	Record high minimum temperature	14.4 C (57.9 F)	23 of 100 (Routine)
Klamath Falls 2 SSW	United States	Record high minimum temperature	10.6 C (51.1 F)	23 of 100 (Routine)
Goorangoola	Australia	Record daily precipitation	58.4 mm (2.3 in)	22 of 100 (Routine)
Waterdale	United States	Record high minimum temperature	8.3 C (46.9 F)	22 of 100 (Routine)
Carson City	United States	Record high minimum temperature	7.8 C (46.0 F)	22 of 100 (Routine)
Aztec Ruins Nm	United States	Record high maximum temperature	27.8 C (82.0 F)	22 of 100 (Routine)
Botany No.1 Dam	Australia	Record daily precipitation	41.9 mm (1.6 in)	21 of 100 (Routine)
Chatswood Water Supply	Australia	Record daily precipitation	69.1 mm (2.7 in)	21 of 100 (Routine)
Cuttack	India	Record daily precipitation	35.1 mm (1.4 in)	21 of 100 (Routine)
Olekminsk	Russia	Record high minimum temperature	0.0 C (32.0 F)	21 of 100 (Routine)
Fortine 1 N	United States	Record high minimum temperature	8.9 C (48.0 F)	21 of 100 (Routine)
Zion Np	United States	Record high maximum temperature	32.8 C (91.0 F)	21 of 100 (Routine)
Bathurst Agricultural Station	Australia	Record daily precipitation	24.4 mm (1.0 in)	20 of 100 (Routine)
Vada	India	Record daily precipitation	10.2 mm (0.4 in)	20 of 100 (Routine)
Novosibirsk	Russia	Record daily precipitation	7.5 mm (0.30 in)	20 of 100 (Routine)
Sihccajavri	Norway	Record daily precipitation	7.7 mm (0.30 in)	20 of 100 (Routine)
Mullaley Post Office	Australia	Record daily precipitation	14.5 mm (0.6 in)	20 of 100 (Routine)
Prospect Reservoir	Australia	Record daily precipitation	24.1 mm (0.9 in)	20 of 100 (Routine)
Sandheads	India	Record daily precipitation	11.4 mm (0.4 in)	20 of 100 (Routine)
Glenara	Australia	Record daily precipitation	31.8 mm (1.3 in)	20 of 100 (Routine)
Sydney (Observatory Hill)	Australia	Record daily precipitation	59.4 mm (2.3 in)	20 of 100 (Routine)
St Marys Bowling Club	Australia	Record daily precipitation	25.4 mm (1.0 in)	20 of 100 (Routine)
Conceicao	Brazil	Record daily precipitation	72.0 mm (2.8 in)	20 of 100 (Routine)
Rosera	India	Record daily precipitation	25.4 mm (1.0 in)	20 of 100 (Routine)
Cuttack	India	Record daily precipitation	35.1 mm (1.4 in)	20 of 100 (Routine)
Sivagiri	India	Record daily precipitation	39.4 mm (1.6 in)	20 of 100 (Routine)

Counts by Type and Timescale

357 records

Records set or tied on 18 April 1946 by type: Highest daily maximum 120, Lowest daily maximum 10, Highest daily minimum 74, Lowest daily minimum 37, Heaviest daily rainfall 115, Heaviest daily snowfall 1.

Records on 18 April 1946 by type
Record type	Records
Highest daily maximum	120
Lowest daily maximum	10
Highest daily minimum	74
Lowest daily minimum	37
Heaviest daily rainfall	115
Heaviest daily snowfall	1
Deepest snow cover	0

Records on 18 April 1946 by timescale: all-time 0, monthly 13, daily 344.

How Much Records Were Beaten By

276 broken records

Margins by which the 276 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 69.8. Ties are not counted.

Top 20 by Significance

18 April 1946

Top 20 records on 18 April 1946 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 April 1946	Nelson Bay (Nelson Head), AU	daily rain	108.2 mm (4.3 in)	69.8 mm (2.7 in)	35 years	56 of 100 (Notable)
18 April 1946	St.Clair, AU	daily rain	65.0 mm (2.6 in)	43.4 mm (1.7 in)	37 years	56 of 100 (Notable)
18 April 1946	Ellerston (Hunters Vale), AU	daily rain	57.2 mm (2.3 in)	44.5 mm (1.8 in)	20 years	51 of 100 (Notable)
18 April 1946	Epping Chester Street, AU	daily rain	69.9 mm (2.8 in)	43.2 mm (1.7 in)	37 years	49 of 100 (Notable)
18 April 1946	Malvan, IN	daily rain	29.5 mm (1.2 in)	29.5 mm (1.2 in)	44 years	46 of 100 (Notable)
18 April 1946	Middleton (Sar), ZA	daily rain	29.2 mm (1.1 in)	23.1 mm (0.9 in)	57 years	46 of 100 (Notable)
18 April 1946	Ilford (Warrangunyah), AU	daily rain	39.9 mm (1.6 in)	34.1 mm (1.3 in)	17 years	43 of 100 (Notable)
18 April 1946	Gargoti, IN	daily rain	35.8 mm (1.4 in)	24.9 mm (1.0 in)	40 years	39 of 100 (Notable)
18 April 1946	Wyong (Wyong Golf Club), AU	daily rain	81.3 mm (3.2 in)	46.5 mm (1.8 in)	37 years	38 of 100 (Notable)
18 April 1946	Gosford (Gertrude Place), AU	daily rain	134.6 mm (5.3 in)	54.3 mm (2.1 in)	19 years	36 of 100 (Notable)
18 April 1946	Puri, IN	daily rain	36.8 mm (1.4 in)	23.6 mm (0.9 in)	44 years	36 of 100 (Notable)
18 April 1946	Bhawanipatna, IN	daily rain	39.9 mm (1.6 in)	23.6 mm (0.9 in)	39 years	34 of 100 (Routine)
18 April 1946	Lumberton, US	daily rain	61.0 mm (2.4 in)	43.2 mm (1.7 in)	16 years	34 of 100 (Routine)
18 April 1946	Sawantwadi, IN	daily rain	27.9 mm (1.1 in)	27.9 mm (1.1 in)	44 years	33 of 100 (Routine)
18 April 1946	Santa Fe, US	daily high max	25.0 C (77.0 F)	2.2 C (4.0 F)	69 years	31 of 100 (Routine)
18 April 1946	Richmond - Uws Hawkesbury, AU	daily rain	36.6 mm (1.4 in)	15.5 mm (0.6 in)	37 years	30 of 100 (Routine)
18 April 1946	Borsat, IN	daily rain	55.9 mm (2.2 in)	22.4 mm (0.9 in)	44 years	30 of 100 (Routine)
18 April 1946	Sathenapalli, IN	monthly rain	86.4 mm (3.4 in)	15.3 mm (0.6 in)	20 years	29 of 100 (Routine)
18 April 1946	Baliapal, IN	daily rain	30.5 mm (1.2 in)	19.8 mm (0.8 in)	40 years	29 of 100 (Routine)
18 April 1946	Wyalkatchem, AU	daily rain	29.2 mm (1.1 in)	15.2 mm (0.6 in)	27 years	27 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

1793 to 1946

Records set or tied on this calendar date in each year from 1793 to 1946. 1946 had 357 records.

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

Records on 04-18 in each year
Year	Records
1793	1
1807	2
1815	1
1838	1
1847	1
1849	1
1851	1
1852	3
1854	3
1855	1
1865	4
1867	1
1870	1
1871	1
1875	4
1877	2
1878	1
1879	3
1880	2
1884	2
1886	2
1887	3
1888	1
1889	1
1890	2
1891	1
1892	3
1893	5
1894	7
1895	2
1896	3
1897	5
1898	8
1899	2
1900	2
1901	6
1902	5
1903	11
1904	9
1905	12
1906	18
1907	17
1908	37
1909	19
1910	19
1911	25
1912	21
1913	26
1914	38
1915	31
1916	22
1917	40
1918	76
1919	16
1920	64
1921	58
1922	85
1923	107
1924	101
1925	154
1926	322
1927	391
1928	323
1929	126
1930	113
1931	173
1932	326
1933	211
1934	391
1935	264
1936	483
1937	477
1938	711
1939	525
1940	322
1941	496
1942	287
1943	298
1944	259
1945	371
1946	357
1947	444
1948	932
1949	345
1950	244
1951	658
1952	536
1953	1,322
1954	442
1955	817
1956	467
1957	629
1958	370
1959	468
1960	320
1961	520
1962	484
1963	662
1964	449
1965	363
1966	776
1967	882
1968	867
1969	795
1970	771
1971	1,106
1972	470
1973	953
1974	326
1975	751
1976	1,309
1977	717
1978	803
1979	841
1980	842
1981	708
1982	616
1983	2,082
1984	625
1985	1,119
1986	622
1987	1,068
1988	936
1989	625
1990	1,368
1991	780
1992	702
1993	730
1994	1,218
1995	1,601
1996	826
1997	1,256
1998	1,011
1999	1,428
2000	912
2001	1,487
2002	2,084
2003	969
2004	846
2005	622
2006	1,262
2007	675
2008	913
2009	624
2010	478
2011	1,122
2012	744
2013	2,509
2014	534
2015	519
2016	973
2017	588
2018	1,202
2019	601
2020	770
2021	592
2022	1,013
2023	739
2024	641
2025	997
2026	498

Download the Data

Data for records on 1946-04-18: 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	234
10 to 20	18
20 to 30	14
30 to 40	3
40 to 50	5
50 to 60	1
60 to 70	1