Weather Records on 9 April 1931

193 weather records were set or tied worldwide on 9 April 1931. Highest significance: Sydney (Observatory Hill), AU.

Key Facts for 9 April 1931

On 9 April 1931, 193 weather records were set or tied at long-record stations worldwide.
126 were record highs and 23 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 3 monthly and 190 daily.
Sydney (Observatory Hill) set a daily record low minimum temperature of 9.8 C (49.6 F) on 9 April 1931.
Across 168 earlier years (1793 to 2026) the same calendar date averaged 466 records.

Record Map

193 stations

193 station records on 9 April 1931 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 9 April 1931: highest significance records shown on the map
Station	Country	Type	Value	Significance
Sydney (Observatory Hill)	Australia	Record low minimum temperature	9.8 C (49.6 F)	35 of 100 (Notable)
Aleksandrovsk-Sahalinskij	Russia	Record low minimum temperature	-20.0 C (-4.0 F)	30 of 100 (Routine)
Madurai	India	Record daily precipitation	45.7 mm (1.8 in)	29 of 100 (Routine)
Serampore	India	Record daily precipitation	74.4 mm (2.9 in)	27 of 100 (Routine)
Alma	United States	Record high maximum temperature	27.2 C (81.0 F)	24 of 100 (Routine)
Sidhout(Siddavat)	India	Record daily precipitation	62.7 mm (2.5 in)	23 of 100 (Routine)
Montreal McGill	Canada	Record high maximum temperature	17.2 C (63.0 F)	22 of 100 (Routine)
Khatra	India	Record daily precipitation	59.7 mm (2.4 in)	22 of 100 (Routine)
Velikie Luki	Russia	Record low maximum temperature	-1.2 C (29.8 F)	22 of 100 (Routine)
Borroloola	Australia	Record daily precipitation	31.0 mm (1.2 in)	21 of 100 (Routine)
Port Arthur	Canada	Record high minimum temperature	3.9 C (39.0 F)	21 of 100 (Routine)
Tiruppattur	India	Record daily precipitation	25.9 mm (1.0 in)	21 of 100 (Routine)
Pawhuska	United States	Record daily precipitation	50.8 mm (2.0 in)	21 of 100 (Routine)
Portage Wwtp	United States	Record high minimum temperature	15.6 C (60.1 F)	21 of 100 (Routine)
Zametchino	Russia	Record daily precipitation	17.5 mm (0.7 in)	20 of 100 (Routine)
Gangajalghati	India	Record daily precipitation	21.6 mm (0.9 in)	20 of 100 (Routine)
Elatma	Russia	Record daily precipitation	17.6 mm (0.7 in)	20 of 100 (Routine)
Ilulissat (Jakobshavn)	Greenland [Denmark]	Record low maximum temperature	-18.4 C (-1.1 F)	20 of 100 (Routine)
Avon Park 2 W	United States	Record low minimum temperature	7.8 C (46.0 F)	20 of 100 (Routine)
Goalpara	India	Record daily precipitation	63.5 mm (2.5 in)	19 of 100 (Routine)
Durham	United Kingdom	Record high minimum temperature	7.8 C (46.0 F)	19 of 100 (Routine)
Hypoluxo	United States	Record low maximum temperature	21.1 C (70.0 F)	19 of 100 (Routine)
Toledo Blade	United States	Record high maximum temperature	25.6 C (78.1 F)	19 of 100 (Routine)
Bathurst	Canada	Record high maximum temperature	13.9 C (57.0 F)	18 of 100 (Routine)
Cottbus	Germany	Record low minimum temperature	-5.3 C (22.5 F)	18 of 100 (Routine)
Srivilliputhur	India	Record daily precipitation	25.4 mm (1.0 in)	18 of 100 (Routine)
Sotchi	Russia	Record high minimum temperature	13.7 C (56.7 F)	18 of 100 (Routine)
Sheffield	United Kingdom	Record high minimum temperature	9.4 C (48.9 F)	18 of 100 (Routine)
Big Rapids Wtp	United States	Record high maximum temperature	25.0 C (77.0 F)	18 of 100 (Routine)
Cheboygan	United States	Record high maximum temperature	19.4 C (66.9 F)	18 of 100 (Routine)
Petoskey	United States	Record high maximum temperature	21.1 C (70.0 F)	18 of 100 (Routine)
Jayamkondam	India	Record daily precipitation	31.8 mm (1.3 in)	17 of 100 (Routine)
Bongaon	India	Record daily precipitation	41.4 mm (1.6 in)	17 of 100 (Routine)
Poretskoye	Russia	Record daily precipitation	12.5 mm (0.5 in)	17 of 100 (Routine)
Urjupinsk	Russia	Record daily precipitation	9.5 mm (0.37 in)	17 of 100 (Routine)
Minsk	Belarus	Record low minimum temperature	-8.0 C (17.6 F)	16 of 100 (Routine)
Pointe Au Pere	Canada	Record high maximum temperature	10.0 C (50.0 F)	16 of 100 (Routine)
Aloograda	India	Record daily precipitation	5.6 mm (0.22 in)	16 of 100 (Routine)
Berkeley	United States	Record high maximum temperature	27.2 C (81.0 F)	16 of 100 (Routine)
Stockton 2	United States	Record high maximum temperature	28.9 C (84.0 F)	16 of 100 (Routine)
Booneville	United States	Record high minimum temperature	19.4 C (66.9 F)	16 of 100 (Routine)
Elko Rgnl AP	United States	Record low minimum temperature	-9.4 C (15.1 F)	16 of 100 (Routine)
Ottawa	Canada	Record high maximum temperature	20.0 C (68.0 F)	15 of 100 (Routine)
Mekliganj	India	Record daily precipitation	33.0 mm (1.3 in)	15 of 100 (Routine)
Kamennaja-Step	Russia	Record daily precipitation	16.5 mm (0.6 in)	15 of 100 (Routine)
Hypoluxo	United States	Record low minimum temperature	8.9 C (48.0 F)	15 of 100 (Routine)
Soldier Creek Adm Site	United States	Record high maximum temperature	18.9 C (66.0 F)	15 of 100 (Routine)
Midland 2	United States	Record high maximum temperature	28.3 C (82.9 F)	15 of 100 (Routine)
Pipestone	United States	Record high maximum temperature	30.6 C (87.1 F)	15 of 100 (Routine)
Goondiwindi Post Office	Australia	Record low minimum temperature	6.1 C (43.0 F)	14 of 100 (Routine)
Carrajung Post Office	Australia	Record daily precipitation	13.5 mm (0.5 in)	14 of 100 (Routine)
Schreiber	Canada	Record daily precipitation	8.9 mm (0.35 in)	14 of 100 (Routine)
Brocken	Germany	Record snow depth	115.0 cm (45.3 in)	14 of 100 (Routine)
Bolpur	India	Record daily precipitation	20.3 mm (0.8 in)	14 of 100 (Routine)
Estherville 4E	United States	Record high minimum temperature	7.2 C (45.0 F)	14 of 100 (Routine)
Iron Mtn-Kingsford Wwtp	United States	Record high minimum temperature	5.6 C (42.1 F)	14 of 100 (Routine)
Manistee 3SE	United States	Record high maximum temperature	22.2 C (72.0 F)	14 of 100 (Routine)
Taos	United States	Record daily precipitation	12.2 mm (0.5 in)	14 of 100 (Routine)
Buffalo	United States	Record high maximum temperature	24.4 C (75.9 F)	14 of 100 (Routine)
Oconto 4 W	United States	Record high minimum temperature	5.0 C (41.0 F)	14 of 100 (Routine)

Counts by Type and Timescale

193 records

Records set or tied on 9 April 1931 by type: Highest daily maximum 89, Lowest daily maximum 3, Highest daily minimum 37, Lowest daily minimum 20, Heaviest daily rainfall 43, Deepest snow cover 1.

Records on 9 April 1931 by type
Record type	Records
Highest daily maximum	89
Lowest daily maximum	3
Highest daily minimum	37
Lowest daily minimum	20
Heaviest daily rainfall	43
Heaviest daily snowfall	0
Deepest snow cover	1

Records on 9 April 1931 by timescale: all-time 0, monthly 3, daily 190.

How Much Records Were Beaten By

155 broken records

Margins by which the 155 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 250.0. Ties are not counted.

Top 20 by Significance

9 April 1931

Top 20 records on 9 April 1931 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
9 April 1931	Sydney (Observatory Hill), AU	daily low min	9.8 C (49.6 F)	2.1 C (3.8 F)	68 years	35 of 100 (Notable)
9 April 1931	Aleksandrovsk-Sahalinskij, RU	daily low min	-20.0 C (-4.0 F)	5.6 C (10.1 F)	49 years	30 of 100 (Routine)
9 April 1931	Madurai, IN	daily rain	45.7 mm (1.8 in)	25.9 mm (1.0 in)	29 years	29 of 100 (Routine)
9 April 1931	Serampore, IN	monthly rain	74.4 mm (2.9 in)	10.1 mm (0.4 in)	25 years	27 of 100 (Routine)
9 April 1931	Alma, US	daily high max	27.2 C (81.0 F)	5.5 C (9.9 F)	40 years	24 of 100 (Routine)
9 April 1931	Sidhout(Siddavat), IN	monthly rain	62.7 mm (2.5 in)	4.5 mm (0.18 in)	23 years	23 of 100 (Routine)
9 April 1931	Montreal McGill, CA	daily high max	17.2 C (63.0 F)	1.1 C (2.0 F)	52 years	22 of 100 (Routine)
9 April 1931	Khatra, IN	monthly rain	59.7 mm (2.4 in)	3.8 mm (0.15 in)	21 years	22 of 100 (Routine)
9 April 1931	Velikie Luki, RU	daily low max	-1.2 C (29.8 F)	2.0 C (3.6 F)	49 years	22 of 100 (Routine)
9 April 1931	Borroloola, AU	daily rain	31.0 mm (1.2 in)	18.3 mm (0.7 in)	20 years	21 of 100 (Routine)
9 April 1931	Port Arthur, CA	daily high min	3.9 C (39.0 F)	0.6 C (1.1 F)	52 years	21 of 100 (Routine)
9 April 1931	Tiruppattur, IN	daily rain	25.9 mm (1.0 in)	16.8 mm (0.7 in)	16 years	21 of 100 (Routine)
9 April 1931	Pawhuska, US	daily rain	50.8 mm (2.0 in)	24.4 mm (1.0 in)	16 years	21 of 100 (Routine)
9 April 1931	Portage Wwtp, US	daily high min	15.6 C (60.1 F)	6.7 C (12.1 F)	18 years	21 of 100 (Routine)
9 April 1931	Zametchino, RU	daily rain	17.5 mm (0.7 in)	8.5 mm (0.33 in)	29 years	20 of 100 (Routine)
9 April 1931	Gangajalghati, IN	daily rain	21.6 mm (0.9 in)	15.5 mm (0.6 in)	28 years	20 of 100 (Routine)
9 April 1931	Elatma, RU	daily rain	17.6 mm (0.7 in)	6.1 mm (0.24 in)	25 years	20 of 100 (Routine)
9 April 1931	Ilulissat (Jakobshavn), GL	daily low max	-18.4 C (-1.1 F)	3.7 C (6.7 F)	34 years	20 of 100 (Routine)
9 April 1931	Avon Park 2 W, US	daily low min	7.8 C (46.0 F)	3.3 C (5.9 F)	25 years	20 of 100 (Routine)
9 April 1931	Goalpara, IN	daily rain	63.5 mm (2.5 in)	27.9 mm (1.1 in)	12 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 1931

Records set or tied on this calendar date in each year from 1793 to 1931. 1931 had 193 records.

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

Records on 04-09 in each year
Year	Records
1793	2
1798	1
1800	1
1805	1
1809	2
1812	2
1815	1
1818	1
1839	1
1842	2
1844	1
1846	1
1847	1
1849	1
1854	1
1856	1
1859	1
1862	1
1863	1
1864	1
1865	2
1866	2
1869	1
1871	2
1873	1
1877	1
1883	1
1884	1
1885	3
1886	1
1887	1
1888	3
1889	1
1890	7
1892	1
1893	1
1894	2
1895	4
1896	1
1897	3
1898	3
1899	9
1900	3
1901	8
1902	8
1903	12
1904	15
1905	21
1906	20
1907	21
1908	28
1909	25
1910	19
1911	21
1912	51
1913	16
1914	41
1915	89
1916	85
1917	105
1918	29
1919	67
1920	56
1921	114
1922	140
1923	79
1924	353
1925	129
1926	83
1927	260
1928	395
1929	402
1930	430
1931	193
1932	119
1933	320
1934	310
1935	398
1936	151
1937	172
1938	378
1939	282
1940	214
1941	297
1942	432
1943	752
1944	564
1945	1,055
1946	335
1947	174
1948	365
1949	179
1950	750
1951	304
1952	578
1953	638
1954	239
1955	484
1956	371
1957	502
1958	294
1959	634
1960	623
1961	879
1962	344
1963	390
1964	645
1965	651
1966	466
1967	743
1968	669
1969	898
1970	489
1971	576
1972	1,200
1973	1,695
1974	972
1975	968
1976	347
1977	1,693
1978	921
1979	855
1980	911
1981	785
1982	1,923
1983	1,170
1984	904
1985	1,424
1986	620
1987	604
1988	737
1989	1,402
1990	888
1991	1,545
1992	641
1993	687
1994	511
1995	1,296
1996	1,547
1997	2,686
1998	1,018
1999	1,848
2000	997
2001	1,947
2002	590
2003	1,781
2004	572
2005	998
2006	603
2007	1,412
2008	1,029
2009	802
2010	652
2011	1,480
2012	640
2013	1,245
2014	592
2015	664
2016	974
2017	759
2018	1,306
2019	716
2020	916
2021	642
2022	574
2023	512
2024	1,093
2025	530
2026	517

Download the Data

Data for records on 1931-04-09: 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	154
50 to 100	0
100 to 150	0
150 to 200	0
200 to 250	1