Weather Records on 17 April 1939

618 weather records were set or tied worldwide on 17 April 1939. Highest significance: Alice Post Office, AU.

Key Facts for 17 April 1939

On 17 April 1939, 618 weather records were set or tied at long-record stations worldwide.
100 were record highs and 154 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 14 monthly and 604 daily.
Alice Post Office set a daily record precipitation of 86.4 mm (3.4 in) on 17 April 1939.
Across 166 earlier years (1799 to 2026) the same calendar date averaged 452 records.

Record Map

618 stations

618 station records on 17 April 1939 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 17 April 1939: highest significance records shown on the map
Station	Country	Type	Value	Significance
Alice Post Office	Australia	Record daily precipitation	86.4 mm (3.4 in)	59 of 100 (Notable)
Buldana	India	Record daily precipitation	47.5 mm (1.9 in)	54 of 100 (Notable)
Dharingbadi	India	Record daily precipitation	111.8 mm (4.4 in)	51 of 100 (Notable)
Akola	India	Record daily precipitation	42.7 mm (1.7 in)	50 of 100 (Notable)
Cedar Rapids 2	United States	Record daily precipitation	44.2 mm (1.7 in)	49 of 100 (Notable)
Umerkhed	India	Record daily precipitation	31.2 mm (1.2 in)	48 of 100 (Notable)
Britt 3E	United States	Record daily snowfall	15.2 cm (6.0 in)	48 of 100 (Notable)
White River	Canada	Record daily snowfall	15.2 cm (6.0 in)	47 of 100 (Notable)
Rahuri	India	Record daily precipitation	25.1 mm (1.0 in)	45 of 100 (Notable)
Maple Plain	United States	Record daily snowfall	17.8 cm (7.0 in)	44 of 100 (Notable)
Cameron Downs	Australia	Record daily precipitation	83.8 mm (3.3 in)	43 of 100 (Notable)
Washim	India	Record daily precipitation	28.7 mm (1.1 in)	43 of 100 (Notable)
Madurai	India	Record daily precipitation	96.5 mm (3.8 in)	43 of 100 (Notable)
Brownsville	United States	Record daily precipitation	66.3 mm (2.6 in)	43 of 100 (Notable)
Nevasa	India	Record daily precipitation	28.4 mm (1.1 in)	42 of 100 (Notable)
Murtajapur	India	Record daily precipitation	31.2 mm (1.2 in)	42 of 100 (Notable)
Paducah	United States	Record daily precipitation	50.8 mm (2.0 in)	42 of 100 (Notable)
Pusad	India	Record daily precipitation	37.1 mm (1.5 in)	41 of 100 (Notable)
Dardanelle	United States	Record daily precipitation	86.4 mm (3.4 in)	41 of 100 (Notable)
Mount Playfair	Australia	Record daily precipitation	42.2 mm (1.7 in)	40 of 100 (Notable)
Uanda	Australia	Record daily precipitation	116.1 mm (4.6 in)	40 of 100 (Notable)
Patur	India	Record daily precipitation	34.5 mm (1.4 in)	40 of 100 (Notable)
Hampton	United States	Record daily precipitation	25.4 mm (1.0 in)	40 of 100 (Notable)
Stanley Wwtp	United States	Record daily precipitation	39.6 mm (1.6 in)	40 of 100 (Notable)
Lakefield	Canada	Record daily precipitation	33.0 mm (1.3 in)	39 of 100 (Notable)
Daryapur	India	Record daily precipitation	32.3 mm (1.3 in)	38 of 100 (Notable)
Sikeston	United States	Record daily precipitation	63.5 mm (2.5 in)	38 of 100 (Notable)
Balapur	India	Record daily precipitation	34.8 mm (1.4 in)	37 of 100 (Notable)
Rochford 2 WNW	United States	Record daily snowfall	35.6 cm (14.0 in)	37 of 100 (Notable)
Batesville L&D 1	United States	Record daily precipitation	55.1 mm (2.2 in)	36 of 100 (Notable)
Mt Vernon	United States	Record daily precipitation	53.3 mm (2.1 in)	36 of 100 (Notable)
Albert Lea 3SE	United States	Record daily snowfall	10.2 cm (4.0 in)	36 of 100 (Notable)
Lucan	Canada	Record daily precipitation	38.1 mm (1.5 in)	35 of 100 (Notable)
Samnanger	Norway	Record daily precipitation	60.2 mm (2.4 in)	35 of 100 (Notable)
Palmyra	United States	Record daily precipitation	44.5 mm (1.8 in)	35 of 100 (Notable)
Stratford	Canada	Record daily precipitation	29.2 mm (1.1 in)	34 of 100 (Routine)
Calico Rock 2 WSW	United States	Record daily precipitation	68.6 mm (2.7 in)	34 of 100 (Routine)
Golconda River	United States	Record daily precipitation	44.7 mm (1.8 in)	34 of 100 (Routine)
Dindigul	India	Record daily precipitation	50.3 mm (2.0 in)	33 of 100 (Routine)
Greensburg	United States	Record daily precipitation	38.1 mm (1.5 in)	33 of 100 (Routine)
Aramac Post Office	Australia	Record daily precipitation	48.8 mm (1.9 in)	32 of 100 (Routine)
Iowa City	United States	Record daily precipitation	54.4 mm (2.1 in)	32 of 100 (Routine)
Maquoketa	United States	Record daily precipitation	31.2 mm (1.2 in)	32 of 100 (Routine)
Springsure Comet St	Australia	Record daily precipitation	26.9 mm (1.1 in)	31 of 100 (Routine)
Charleville Post Office	Australia	Record low maximum temperature	17.2 C (63.0 F)	31 of 100 (Routine)
Evansville Ft Court STN	United States	Record daily precipitation	33.5 mm (1.3 in)	31 of 100 (Routine)
Columbus Junction	United States	Record daily precipitation	34.0 mm (1.3 in)	31 of 100 (Routine)
Ironwood	United States	Record daily snowfall	10.2 cm (4.0 in)	31 of 100 (Routine)
Owosso Wwtp	United States	Record daily precipitation	42.9 mm (1.7 in)	30 of 100 (Routine)
Medford	United States	Record daily precipitation	46.2 mm (1.8 in)	30 of 100 (Routine)
Jericho Store	Australia	Record daily precipitation	39.6 mm (1.6 in)	29 of 100 (Routine)
Palani	India	Record daily precipitation	76.7 mm (3.0 in)	29 of 100 (Routine)
Bay City	United States	Record daily precipitation	39.9 mm (1.6 in)	29 of 100 (Routine)
Covington 3 SW	United States	Record daily precipitation	46.2 mm (1.8 in)	29 of 100 (Routine)
Spooner Ag Rsch STN	United States	Record daily snowfall	15.2 cm (6.0 in)	29 of 100 (Routine)
New Westminster	Canada	Record high maximum temperature	27.2 C (81.0 F)	28 of 100 (Routine)
Howe	United States	Record daily precipitation	31.8 mm (1.3 in)	28 of 100 (Routine)
Winterset 4N	United States	Record daily snowfall	10.2 cm (4.0 in)	28 of 100 (Routine)
Cape Girardeau	United States	Record daily precipitation	43.7 mm (1.7 in)	28 of 100 (Routine)
Jackson	United States	Record daily precipitation	49.0 mm (1.9 in)	28 of 100 (Routine)

Counts by Type and Timescale

618 records

Records set or tied on 17 April 1939 by type: Highest daily maximum 51, Lowest daily maximum 124, Highest daily minimum 49, Lowest daily minimum 30, Heaviest daily rainfall 322, Heaviest daily snowfall 37, Deepest snow cover 5.

Records on 17 April 1939 by type
Record type	Records
Highest daily maximum	51
Lowest daily maximum	124
Highest daily minimum	49
Lowest daily minimum	30
Heaviest daily rainfall	322
Heaviest daily snowfall	37
Deepest snow cover	5

Records on 17 April 1939 by timescale: all-time 0, monthly 14, daily 604.

How Much Records Were Beaten By

527 broken records

Margins by which the 527 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

17 April 1939

Top 20 records on 17 April 1939 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
17 April 1939	Alice Post Office, AU	daily rain	86.4 mm (3.4 in)	84.1 mm (3.3 in)	47 years	59 of 100 (Notable)
17 April 1939	Buldana, IN	daily rain	47.5 mm (1.9 in)	47.5 mm (1.9 in)	37 years	54 of 100 (Notable)
17 April 1939	Dharingbadi, IN	monthly rain	111.8 mm (4.4 in)	39.4 mm (1.6 in)	17 years	51 of 100 (Notable)
17 April 1939	Akola, IN	daily rain	42.7 mm (1.7 in)	42.7 mm (1.7 in)	37 years	50 of 100 (Notable)
17 April 1939	Cedar Rapids 2, US	daily rain	44.2 mm (1.7 in)	33.0 mm (1.3 in)	21 years	49 of 100 (Notable)
17 April 1939	Umerkhed, IN	daily rain	31.2 mm (1.2 in)	27.4 mm (1.1 in)	18 years	48 of 100 (Notable)
17 April 1939	Britt 3E, US	daily snowfall	15.2 cm (6.0 in)	13.9 cm (5.5 in)	28 years	48 of 100 (Notable)
17 April 1939	White River, CA	daily snowfall	15.2 cm (6.0 in)	12.7 cm (5.0 in)	48 years	47 of 100 (Notable)
17 April 1939	Rahuri, IN	daily rain	25.1 mm (1.0 in)	25.1 mm (1.0 in)	37 years	45 of 100 (Notable)
17 April 1939	Maple Plain, US	daily snowfall	17.8 cm (7.0 in)	17.8 cm (7.0 in)	45 years	44 of 100 (Notable)
17 April 1939	Cameron Downs, AU	daily rain	83.8 mm (3.3 in)	58.9 mm (2.3 in)	28 years	43 of 100 (Notable)
17 April 1939	Washim, IN	daily rain	28.7 mm (1.1 in)	28.2 mm (1.1 in)	18 years	43 of 100 (Notable)
17 April 1939	Madurai, IN	daily rain	96.5 mm (3.8 in)	75.7 mm (3.0 in)	1 year	43 of 100 (Notable)
17 April 1939	Brownsville, US	daily rain	66.3 mm (2.6 in)	54.1 mm (2.1 in)	20 years	43 of 100 (Notable)
17 April 1939	Nevasa, IN	daily rain	28.4 mm (1.1 in)	28.4 mm (1.1 in)	37 years	42 of 100 (Notable)
17 April 1939	Murtajapur, IN	daily rain	31.2 mm (1.2 in)	31.2 mm (1.2 in)	37 years	42 of 100 (Notable)
17 April 1939	Paducah, US	daily rain	50.8 mm (2.0 in)	40.6 mm (1.6 in)	26 years	42 of 100 (Notable)
17 April 1939	Pusad, IN	daily rain	37.1 mm (1.5 in)	37.1 mm (1.5 in)	37 years	41 of 100 (Notable)
17 April 1939	Dardanelle, US	daily rain	86.4 mm (3.4 in)	47.8 mm (1.9 in)	26 years	41 of 100 (Notable)
17 April 1939	Mount Playfair, AU	daily rain	42.2 mm (1.7 in)	35.1 mm (1.4 in)	49 years	40 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

1799 to 1939

Records set or tied on this calendar date in each year from 1799 to 1939. 1939 had 618 records.

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

Records on 04-17 in each year
Year	Records
1799	1
1807	1
1808	1
1815	1
1817	1
1818	1
1819	1
1823	1
1825	1
1830	1
1835	3
1837	1
1845	1
1847	2
1851	1
1852	3
1853	1
1854	1
1855	1
1857	1
1858	1
1862	1
1865	2
1868	1
1873	4
1874	1
1875	3
1877	4
1878	2
1880	2
1889	1
1890	2
1891	2
1892	4
1894	5
1895	1
1896	5
1897	6
1898	3
1899	1
1900	2
1901	4
1902	4
1903	5
1904	19
1905	11
1906	14
1907	16
1908	38
1909	7
1910	29
1911	33
1912	27
1913	20
1914	83
1915	30
1916	30
1917	32
1918	35
1919	39
1920	87
1921	148
1922	96
1923	71
1924	74
1925	103
1926	140
1927	256
1928	308
1929	145
1930	238
1931	216
1932	615
1933	261
1934	234
1935	374
1936	308
1937	439
1938	564
1939	618
1940	337
1941	460
1942	415
1943	285
1944	334
1945	475
1946	492
1947	461
1948	622
1949	439
1950	293
1951	441
1952	529
1953	818
1954	650
1955	394
1956	486
1957	277
1958	702
1959	434
1960	553
1961	667
1962	597
1963	702
1964	766
1965	411
1966	409
1967	935
1968	745
1969	728
1970	547
1971	924
1972	546
1973	589
1974	244
1975	666
1976	1,630
1977	906
1978	620
1979	810
1980	675
1981	621
1982	965
1983	1,365
1984	720
1985	917
1986	997
1987	960
1988	1,082
1989	638
1990	1,065
1991	614
1992	1,105
1993	847
1994	1,047
1995	1,211
1996	1,044
1997	889
1998	1,795
1999	1,730
2000	1,082
2001	1,013
2002	2,284
2003	1,037
2004	761
2005	572
2006	1,430
2007	863
2008	842
2009	779
2010	606
2011	982
2012	920
2013	1,796
2014	913
2015	813
2016	977
2017	469
2018	1,585
2019	458
2020	1,165
2021	701
2022	831
2023	628
2024	690
2025	1,058
2026	838

Download the Data

Data for records on 1939-04-17: 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	461
25 to 50	42
50 to 75	10
75 to 100	7
100 to 125	2
125 to 150	3
150 to 175	1
175 to 200	1