Weather Records on 18 April 1930

113 weather records were set or tied worldwide on 18 April 1930. Highest significance: Hillsboro, US.

Key Facts for 18 April 1930

On 18 April 1930, 113 weather records were set or tied at long-record stations worldwide.
39 were record highs and 14 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 2 monthly and 111 daily.
Hillsboro set a daily record precipitation of 45.7 mm (1.8 in) on 18 April 1930.
Across 160 earlier years (1793 to 2026) the same calendar date averaged 470 records.

Record Map

113 stations

113 station records on 18 April 1930 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 April 1930: highest significance records shown on the map
Station	Country	Type	Value	Significance
Hillsboro	United States	Record daily precipitation	45.7 mm (1.8 in)	32 of 100 (Routine)
Stevens Pt	United States	Record daily precipitation	32.0 mm (1.3 in)	29 of 100 (Routine)
Vancouver 4 NNE	United States	Record high minimum temperature	14.4 C (57.9 F)	27 of 100 (Routine)
Bungendore (Douglas)	Australia	Record daily precipitation	26.7 mm (1.1 in)	26 of 100 (Routine)
Monticello	United States	Record daily precipitation	33.0 mm (1.3 in)	24 of 100 (Routine)
Napoleon	United States	Record daily precipitation	32.5 mm (1.3 in)	24 of 100 (Routine)
Longreach Post Office	Australia	Record high minimum temperature	24.4 C (75.9 F)	23 of 100 (Routine)
Greeley	United States	Record daily precipitation	35.6 mm (1.4 in)	23 of 100 (Routine)
Weissenfels	Germany	Record daily precipitation	20.9 mm (0.8 in)	20 of 100 (Routine)
Vik I Sogn III	Norway	Record daily precipitation	23.4 mm (0.9 in)	20 of 100 (Routine)
Bamberg	Germany	Record daily precipitation	11.9 mm (0.5 in)	20 of 100 (Routine)
Leipzig-Holzhausen	Germany	Record daily precipitation	13.8 mm (0.5 in)	20 of 100 (Routine)
Chemnitz	Germany	Record daily precipitation	19.0 mm (0.7 in)	20 of 100 (Routine)
Mackinaw City 2	United States	Record daily precipitation	19.1 mm (0.8 in)	20 of 100 (Routine)
Cairns Post Office	Australia	Record high maximum temperature	32.2 C (90.0 F)	20 of 100 (Routine)
Huntington 1	United States	Record high minimum temperature	18.9 C (66.0 F)	20 of 100 (Routine)
Hambantota	Sri Lanka	Record low maximum temperature	27.9 C (82.2 F)	19 of 100 (Routine)
Selbu-Stubbe	Norway	Record daily precipitation	12.6 mm (0.5 in)	19 of 100 (Routine)
Blagovescensk	Russia	Record low minimum temperature	-12.9 C (8.8 F)	19 of 100 (Routine)
Antigo	United States	Record daily precipitation	52.1 mm (2.1 in)	19 of 100 (Routine)
Waupaca	United States	Record daily precipitation	24.6 mm (1.0 in)	19 of 100 (Routine)
Sveg	Sweden	Record low maximum temperature	0.0 C (32.0 F)	18 of 100 (Routine)
Broken Hill (Kars)	Australia	Record daily precipitation	1.5 mm (0.06 in)	17 of 100 (Routine)
Plauen	Germany	Record daily precipitation	15.0 mm (0.6 in)	17 of 100 (Routine)
Hoxie	United States	Record daily precipitation	15.2 mm (0.6 in)	17 of 100 (Routine)
Granville	United States	Record high minimum temperature	15.0 C (59.0 F)	17 of 100 (Routine)
Leipzig-Schkeuditz	Germany	Record daily precipitation	12.0 mm (0.5 in)	16 of 100 (Routine)
Greiz-Dolau	Germany	Record daily precipitation	12.3 mm (0.5 in)	16 of 100 (Routine)
Henichesk	Ukraine	Record high minimum temperature	10.7 C (51.3 F)	16 of 100 (Routine)
Vickery 2 NW	United States	Record daily precipitation	24.1 mm (0.9 in)	16 of 100 (Routine)
Milbank 4 NW	United States	Record daily precipitation	10.2 mm (0.4 in)	16 of 100 (Routine)
Carthage	United States	Record high minimum temperature	18.3 C (64.9 F)	16 of 100 (Routine)
Prentice #2	United States	Record daily precipitation	19.1 mm (0.8 in)	16 of 100 (Routine)
Clyde State School	Australia	Record daily precipitation	22.9 mm (0.9 in)	15 of 100 (Routine)
Tallahassee	United States	Record high minimum temperature	21.1 C (70.0 F)	15 of 100 (Routine)
Maysville Wwtp	United States	Record high minimum temperature	16.1 C (61.0 F)	15 of 100 (Routine)
Two Harbors	United States	Record daily precipitation	11.4 mm (0.4 in)	15 of 100 (Routine)
Ovando	United States	Record daily precipitation	13.7 mm (0.5 in)	15 of 100 (Routine)
Hartington	United States	Record daily snowfall	7.6 cm (3.0 in)	15 of 100 (Routine)
Clarksville Wwtp	United States	Record daily precipitation	25.7 mm (1.0 in)	15 of 100 (Routine)
Robertsburg	United States	Record high minimum temperature	16.1 C (61.0 F)	15 of 100 (Routine)
Bella Coola	Canada	Record high maximum temperature	20.0 C (68.0 F)	14 of 100 (Routine)
Ilulissat (Jakobshavn)	Greenland [Denmark]	Record daily precipitation	6.4 mm (0.25 in)	14 of 100 (Routine)
Weissenburg	Germany	Record daily precipitation	6.1 mm (0.24 in)	14 of 100 (Routine)
Mykland	Norway	Record daily precipitation	12.5 mm (0.5 in)	14 of 100 (Routine)
Crescent City 3 NNW	United States	Record high maximum temperature	26.1 C (79.0 F)	14 of 100 (Routine)
Roberts Dam	United States	Record daily precipitation	15.7 mm (0.6 in)	14 of 100 (Routine)
Deer Park Sf	United States	Record daily precipitation	12.7 mm (0.5 in)	14 of 100 (Routine)
Alexandria 4 WSW	United States	Record high minimum temperature	15.6 C (60.1 F)	14 of 100 (Routine)
Ironton	United States	Record high minimum temperature	15.6 C (60.1 F)	14 of 100 (Routine)
Marion	United States	Record high minimum temperature	15.6 C (60.1 F)	14 of 100 (Routine)
Howard	United States	Record daily precipitation	34.3 mm (1.4 in)	14 of 100 (Routine)
Peedamullah	Australia	Record daily precipitation	1.5 mm (0.06 in)	13 of 100 (Routine)
Metten	Germany	Record daily precipitation	11.6 mm (0.5 in)	13 of 100 (Routine)
Herefoss	Norway	Record daily precipitation	13.1 mm (0.5 in)	13 of 100 (Routine)
Tot-Ma	Russia	Record daily precipitation	5.6 mm (0.22 in)	13 of 100 (Routine)
Middlesboro Fire Dept	United States	Record high minimum temperature	16.1 C (61.0 F)	13 of 100 (Routine)
Waverly	United States	Record high minimum temperature	16.1 C (61.0 F)	13 of 100 (Routine)
Zerbst	Germany	Record daily precipitation	7.0 mm (0.28 in)	12 of 100 (Routine)
Oestersund-Froesoen	Sweden	Record low maximum temperature	-0.2 C (31.6 F)	12 of 100 (Routine)

Counts by Type and Timescale

113 records

Records set or tied on 18 April 1930 by type: Highest daily maximum 11, Lowest daily maximum 9, Highest daily minimum 28, Lowest daily minimum 5, Heaviest daily rainfall 59, Heaviest daily snowfall 1.

Records on 18 April 1930 by type
Record type	Records
Highest daily maximum	11
Lowest daily maximum	9
Highest daily minimum	28
Lowest daily minimum	5
Heaviest daily rainfall	59
Heaviest daily snowfall	1
Deepest snow cover	0

Records on 18 April 1930 by timescale: all-time 0, monthly 2, daily 111.

How Much Records Were Beaten By

94 broken records

Margins by which the 94 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 51.0. Ties are not counted.

Top 20 by Significance

18 April 1930

Top 20 records on 18 April 1930 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 April 1930	Hillsboro, US	daily rain	45.7 mm (1.8 in)	25.9 mm (1.0 in)	17 years	32 of 100 (Routine)
18 April 1930	Stevens Pt, US	daily rain	32.0 mm (1.3 in)	16.8 mm (0.7 in)	31 years	29 of 100 (Routine)
18 April 1930	Vancouver 4 NNE, US	monthly high min	14.4 C (57.9 F)	2.2 C (4.0 F)	21 years	27 of 100 (Routine)
18 April 1930	Bungendore (Douglas), AU	daily rain	26.7 mm (1.1 in)	12.7 mm (0.5 in)	35 years	26 of 100 (Routine)
18 April 1930	Monticello, US	daily rain	33.0 mm (1.3 in)	15.2 mm (0.6 in)	35 years	24 of 100 (Routine)
18 April 1930	Napoleon, US	daily rain	32.5 mm (1.3 in)	13.4 mm (0.5 in)	21 years	24 of 100 (Routine)
18 April 1930	Longreach Post Office, AU	daily high min	24.4 C (75.9 F)	4.8 C (8.6 F)	27 years	23 of 100 (Routine)
18 April 1930	Greeley, US	daily rain	35.6 mm (1.4 in)	20.4 mm (0.8 in)	12 years	23 of 100 (Routine)
18 April 1930	Weissenfels, DE	daily rain	20.9 mm (0.8 in)	12.9 mm (0.5 in)	24 years	20 of 100 (Routine)
18 April 1930	Vik I Sogn III, NO	daily rain	23.4 mm (0.9 in)	12.4 mm (0.5 in)	11 years	20 of 100 (Routine)
18 April 1930	Bamberg, DE	daily rain	11.9 mm (0.5 in)	3.7 mm (0.15 in)	47 years	20 of 100 (Routine)
18 April 1930	Leipzig-Holzhausen, DE	daily rain	13.8 mm (0.5 in)	5.2 mm (0.20 in)	38 years	20 of 100 (Routine)
18 April 1930	Chemnitz, DE	daily rain	19.0 mm (0.7 in)	5.6 mm (0.22 in)	38 years	20 of 100 (Routine)
18 April 1930	Mackinaw City 2, US	daily rain	19.1 mm (0.8 in)	8.4 mm (0.33 in)	29 years	20 of 100 (Routine)
18 April 1930	Cairns Post Office, AU	daily high max	32.2 C (90.0 F)	1.0 C (1.8 F)	36 years	20 of 100 (Routine)
18 April 1930	Huntington 1, US	daily high min	18.9 C (66.0 F)	5.6 C (10.1 F)	17 years	20 of 100 (Routine)
18 April 1930	Hambantota, LK	daily low max	27.9 C (82.2 F)	0.4 C (0.7 F)	34 years	19 of 100 (Routine)
18 April 1930	Selbu-Stubbe, NO	daily rain	12.6 mm (0.5 in)	3.5 mm (0.14 in)	23 years	19 of 100 (Routine)
18 April 1930	Blagovescensk, RU	daily low min	-12.9 C (8.8 F)	4.7 C (8.5 F)	15 years	19 of 100 (Routine)
18 April 1930	Antigo, US	monthly rain	52.1 mm (2.1 in)	3.8 mm (0.15 in)	8 years	19 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 1930

Records set or tied on this calendar date in each year from 1793 to 1930. 1930 had 113 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 1930-04-18: 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	83
10 to 20	8
20 to 30	2
30 to 40	0
40 to 50	0
50 to 60	1