Weather Records on 4 April 1930

86 weather records were set or tied worldwide on 4 April 1930. Highest significance: Milan, IT.

Key Facts for 4 April 1930

On 4 April 1930, 86 weather records were set or tied at long-record stations worldwide.
52 were record highs and 3 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 0 monthly and 86 daily.
Milan set a daily record precipitation of 43.3 mm (1.7 in) on 4 April 1930.
Across 155 earlier years (1794 to 2026) the same calendar date averaged 507 records.

Record Map

86 stations

86 station records on 4 April 1930 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 4 April 1930: highest significance records shown on the map
Station	Country	Type	Value	Significance
Milan	Italy	Record daily precipitation	43.3 mm (1.7 in)	27 of 100 (Routine)
Cedarville	United States	Record high minimum temperature	10.6 C (51.1 F)	25 of 100 (Routine)
Barkerville	Canada	Record daily snowfall	22.9 cm (9.0 in)	23 of 100 (Routine)
Haparanda	Sweden	Record high maximum temperature	8.5 C (47.3 F)	23 of 100 (Routine)
Gallivare_A	Sweden	Record high maximum temperature	14.0 C (57.2 F)	23 of 100 (Routine)
Ebrach	Germany	Record daily precipitation	22.4 mm (0.9 in)	20 of 100 (Routine)
Pommelsbrunn	Germany	Record daily precipitation	19.5 mm (0.8 in)	20 of 100 (Routine)
Rauland	Norway	Record daily precipitation	8.3 mm (0.33 in)	20 of 100 (Routine)
Barkerville	Canada	Record daily precipitation	22.9 mm (0.9 in)	20 of 100 (Routine)
Postmyr I Drangedal	Norway	Record daily precipitation	23.2 mm (0.9 in)	20 of 100 (Routine)
Gyzylarbat	Turkmenistan	Record daily precipitation	17.9 mm (0.7 in)	20 of 100 (Routine)
Hiasen I Sigdal	Norway	Record daily precipitation	24.3 mm (1.0 in)	20 of 100 (Routine)
Tunhovd	Norway	Record daily precipitation	9.4 mm (0.37 in)	20 of 100 (Routine)
Nanaimo	Canada	Record daily precipitation	17.8 mm (0.7 in)	20 of 100 (Routine)
Nurnberg	Germany	Record daily precipitation	17.0 mm (0.7 in)	20 of 100 (Routine)
Gollhofen	Germany	Record daily precipitation	10.3 mm (0.4 in)	20 of 100 (Routine)
Alberni Beaver Creek	Canada	Record daily precipitation	41.9 mm (1.6 in)	19 of 100 (Routine)
Stuttgart-Stadt	Germany	Record daily precipitation	13.5 mm (0.5 in)	19 of 100 (Routine)
St Albans	Canada	Record high minimum temperature	2.8 C (37.0 F)	18 of 100 (Routine)
Swift Current	Canada	Record high minimum temperature	4.4 C (39.9 F)	17 of 100 (Routine)
Weissenburg	Germany	Record daily precipitation	14.2 mm (0.6 in)	17 of 100 (Routine)
Rjukan	Norway	Record daily precipitation	16.6 mm (0.7 in)	17 of 100 (Routine)
Biskra	Algeria	Record high minimum temperature	20.0 C (68.0 F)	16 of 100 (Routine)
Herefoss	Norway	Record daily precipitation	19.9 mm (0.8 in)	16 of 100 (Routine)
Hedal I Valdres	Norway	Record daily precipitation	12.2 mm (0.5 in)	16 of 100 (Routine)
Ladner	Canada	Record daily precipitation	44.5 mm (1.8 in)	15 of 100 (Routine)
Malvern	United Kingdom	Record daily precipitation	13.3 mm (0.5 in)	15 of 100 (Routine)
Masset Airport	Canada	Record daily precipitation	22.9 mm (0.9 in)	14 of 100 (Routine)
Nesbyen	Norway	Record daily precipitation	7.1 mm (0.28 in)	14 of 100 (Routine)
Zagreb-Gric	Croatia	Record high minimum temperature	10.4 C (50.7 F)	13 of 100 (Routine)
Louisburg	United States	Record daily precipitation	16.0 mm (0.6 in)	13 of 100 (Routine)
Cowles	United States	Record high maximum temperature	16.7 C (62.1 F)	12 of 100 (Routine)
Mykland	Norway	Record daily precipitation	15.8 mm (0.6 in)	11 of 100 (Routine)
Sandy Lake Dam Libby	United States	Record high minimum temperature	3.3 C (37.9 F)	11 of 100 (Routine)
Bozeman Montana State UNIV	United States	Record high maximum temperature	16.1 C (61.0 F)	11 of 100 (Routine)
Poplar 2 E	United States	Record high minimum temperature	4.4 C (39.9 F)	11 of 100 (Routine)
Laghouat	Algeria	Record high minimum temperature	15.0 C (59.0 F)	10 of 100 (Routine)
Moose Jaw Chab	Canada	Record high minimum temperature	4.4 C (39.9 F)	10 of 100 (Routine)
Napoleon	United States	Record high maximum temperature	26.7 C (80.1 F)	10 of 100 (Routine)
Ovando	United States	Record high minimum temperature	2.8 C (37.0 F)	9 of 100 (Routine)
Aberdeen	United States	Record daily precipitation	41.1 mm (1.6 in)	9 of 100 (Routine)
Medicine Hat A	Canada	Record high minimum temperature	6.1 C (43.0 F)	8 of 100 (Routine)
Saskatoon Diefenbaker Int'l A	Canada	Record high maximum temperature	21.1 C (70.0 F)	8 of 100 (Routine)
Tuttlingen	Germany	Record daily precipitation	12.1 mm (0.5 in)	8 of 100 (Routine)
Weimar	Germany	Record daily precipitation	8.9 mm (0.35 in)	8 of 100 (Routine)
Jokkmokk	Sweden	Record high maximum temperature	10.0 C (50.0 F)	8 of 100 (Routine)
Robe Comparison	Australia	Record low minimum temperature	5.6 C (42.1 F)	7 of 100 (Routine)
Gainesville UNIV of Fl	United States	Record daily precipitation	12.7 mm (0.5 in)	7 of 100 (Routine)
Kissimmee	United States	Record daily precipitation	4.1 mm (0.16 in)	7 of 100 (Routine)
Lusk 2 SW	United States	Record high minimum temperature	3.3 C (37.9 F)	7 of 100 (Routine)
Fort Chipewyan	Canada	Record high minimum temperature	0.0 C (32.0 F)	6 of 100 (Routine)
Steele 4N	United States	Record high maximum temperature	24.4 C (75.9 F)	6 of 100 (Routine)
Howard	United States	Record high maximum temperature	28.9 C (84.0 F)	6 of 100 (Routine)
Watertown Rgnl AP	United States	Record high maximum temperature	27.8 C (82.0 F)	6 of 100 (Routine)
Weissenfels	Germany	Record daily precipitation	9.2 mm (0.36 in)	5 of 100 (Routine)
New Ulm 2 SE	United States	Record high maximum temperature	29.4 C (84.9 F)	5 of 100 (Routine)
Amenia	United States	Record high maximum temperature	27.2 C (81.0 F)	5 of 100 (Routine)
Forestburg 4 NNE	United States	Record high maximum temperature	31.1 C (88.0 F)	5 of 100 (Routine)
Regina Int'l A	Canada	Record high minimum temperature	2.8 C (37.0 F)	4 of 100 (Routine)
Rockwell City	United States	Record high maximum temperature	27.2 C (81.0 F)	4 of 100 (Routine)

Counts by Type and Timescale

86 records

Records set or tied on 4 April 1930 by type: Highest daily maximum 29, Lowest daily maximum 1, Highest daily minimum 23, Lowest daily minimum 2, Heaviest daily rainfall 30, Heaviest daily snowfall 1.

Records on 4 April 1930 by type
Record type	Records
Highest daily maximum	29
Lowest daily maximum	1
Highest daily minimum	23
Lowest daily minimum	2
Heaviest daily rainfall	30
Heaviest daily snowfall	1
Deepest snow cover	0

Records on 4 April 1930 by timescale: all-time 0, monthly 0, daily 86.

How Much Records Were Beaten By

61 broken records

Margins by which the 61 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 102.0. Ties are not counted.

Top 20 by Significance

4 April 1930

Top 20 records on 4 April 1930 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
4 April 1930	Milan, IT	daily rain	43.3 mm (1.7 in)	5.0 mm (0.20 in)	52 years	27 of 100 (Routine)
4 April 1930	Cedarville, US	daily high min	10.6 C (51.1 F)	6.7 C (12.1 F)	16 years	25 of 100 (Routine)
4 April 1930	Barkerville, CA	daily snowfall	22.9 cm (9.0 in)	10.2 cm (4.0 in)	0 years	23 of 100 (Routine)
4 April 1930	Haparanda, SE	daily high max	8.5 C (47.3 F)	2.5 C (4.5 F)	40 years	23 of 100 (Routine)
4 April 1930	Gallivare_A, SE	daily high max	14.0 C (57.2 F)	6.0 C (10.8 F)	24 years	23 of 100 (Routine)
4 April 1930	Ebrach, DE	daily rain	22.4 mm (0.9 in)	13.2 mm (0.5 in)	8 years	20 of 100 (Routine)
4 April 1930	Pommelsbrunn, DE	daily rain	19.5 mm (0.8 in)	7.6 mm (0.30 in)	28 years	20 of 100 (Routine)
4 April 1930	Rauland, NO	daily rain	8.3 mm (0.33 in)	6.3 mm (0.25 in)	29 years	20 of 100 (Routine)
4 April 1930	Barkerville, CA	daily rain	22.9 mm (0.9 in)	10.2 mm (0.4 in)	0 years	20 of 100 (Routine)
4 April 1930	Postmyr I Drangedal, NO	daily rain	23.2 mm (0.9 in)	12.5 mm (0.5 in)	12 years	20 of 100 (Routine)
4 April 1930	Gyzylarbat, TM	daily rain	17.9 mm (0.7 in)	8.7 mm (0.34 in)	15 years	20 of 100 (Routine)
4 April 1930	Hiasen I Sigdal, NO	daily rain	24.3 mm (1.0 in)	7.6 mm (0.30 in)	27 years	20 of 100 (Routine)
4 April 1930	Tunhovd, NO	daily rain	9.4 mm (0.37 in)	4.3 mm (0.17 in)	27 years	20 of 100 (Routine)
4 April 1930	Nanaimo, CA	daily rain	17.8 mm (0.7 in)	3.1 mm (0.12 in)	36 years	20 of 100 (Routine)
4 April 1930	Nurnberg, DE	daily rain	17.0 mm (0.7 in)	5.0 mm (0.20 in)	8 years	20 of 100 (Routine)
4 April 1930	Gollhofen, DE	daily rain	10.3 mm (0.4 in)	3.8 mm (0.15 in)	27 years	20 of 100 (Routine)
4 April 1930	Alberni Beaver Creek, CA	daily rain	41.9 mm (1.6 in)	9.6 mm (0.38 in)	23 years	19 of 100 (Routine)
4 April 1930	Stuttgart-Stadt, DE	daily rain	13.5 mm (0.5 in)	6.3 mm (0.25 in)	5 years	19 of 100 (Routine)
4 April 1930	St Albans, CA	daily high min	2.8 C (37.0 F)	0.6 C (1.1 F)	44 years	18 of 100 (Routine)
4 April 1930	Swift Current, CA	daily high min	4.4 C (39.9 F)	1.6 C (2.9 F)	34 years	17 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

1794 to 1930

Records set or tied on this calendar date in each year from 1794 to 1930. 1930 had 86 records.

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

Records on 04-04 in each year
Year	Records
1794	1
1808	1
1809	1
1815	2
1819	1
1853	1
1857	1
1873	1
1874	2
1877	2
1878	1
1879	3
1880	2
1881	3
1882	1
1883	1
1884	1
1885	1
1886	2
1887	1
1888	1
1891	1
1892	6
1893	2
1895	2
1896	3
1897	4
1898	7
1899	4
1900	7
1901	12
1902	2
1903	17
1904	6
1905	23
1906	7
1907	9
1908	20
1909	15
1910	48
1911	55
1912	25
1913	31
1914	13
1915	52
1916	65
1917	36
1918	37
1919	27
1920	89
1921	205
1922	39
1923	101
1924	51
1925	126
1926	206
1927	203
1928	625
1929	1,320
1930	86
1931	201
1932	193
1933	167
1934	656
1935	402
1936	714
1937	344
1938	201
1939	243
1940	392
1941	353
1942	537
1943	456
1944	975
1945	806
1946	459
1947	397
1948	202
1949	458
1950	1,044
1951	352
1952	348
1953	332
1954	742
1955	448
1956	426
1957	984
1958	492
1959	524
1960	756
1961	525
1962	308
1963	586
1964	675
1965	443
1966	469
1967	438
1968	640
1969	424
1970	438
1971	560
1972	695
1973	511
1974	1,356
1975	1,981
1976	353
1977	780
1978	497
1979	984
1980	690
1981	1,393
1982	1,251
1983	1,202
1984	762
1985	865
1986	810
1987	2,317
1988	1,119
1989	668
1990	826
1991	957
1992	1,270
1993	733
1994	726
1995	935
1996	699
1997	1,538
1998	931
1999	1,575
2000	1,371
2001	1,040
2002	989
2003	1,055
2004	782
2005	1,070
2006	911
2007	1,009
2008	860
2009	1,068
2010	758
2011	1,155
2012	830
2013	938
2014	705
2015	452
2016	795
2017	603
2018	1,196
2019	407
2020	914
2021	1,341
2022	1,014
2023	2,058
2024	966
2025	1,330
2026	894

Download the Data

Data for records on 1930-04-04: 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 20	60
20 to 40	0
40 to 60	0
60 to 80	0
80 to 100	0
100 to 120	1