Weather Records on 30 June 1931

774 weather records were set or tied worldwide on 30 June 1931. Highest significance: Henichesk, UA.

Key Facts for 30 June 1931

On 30 June 1931, 774 weather records were set or tied at long-record stations worldwide.
636 were record highs and 35 were record lows, counting maximum and minimum temperature.
By timescale, 13 were all-time records, 128 monthly and 633 daily.
Henichesk set a daily record precipitation of 34.0 mm (1.3 in) on 30 June 1931.
Across 160 earlier years (1826 to 2026) the same calendar date averaged 448 records.

Record Map

774 stations

774 station records on 30 June 1931 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 June 1931: highest significance records shown on the map
Station	Country	Type	Value	Significance
Henichesk	Ukraine	Record daily precipitation	34.0 mm (1.3 in)	55 of 100 (Notable)
Benson	United States	Record daily precipitation	29.0 mm (1.1 in)	49 of 100 (Notable)
Dhar	India	Record daily precipitation	106.2 mm (4.2 in)	45 of 100 (Notable)
Brandon Cda	Canada	Record daily precipitation	53.1 mm (2.1 in)	41 of 100 (Notable)
White River	Canada	Record high maximum temperature	38.3 C (100.9 F)	36 of 100 (Notable)
Nemours (Ghazaouet)	Algeria	Record high maximum temperature	39.0 C (102.2 F)	35 of 100 (Notable)
Woodstock	Canada	Record high minimum temperature	24.4 C (75.9 F)	35 of 100 (Notable)
Madison Wb City	United States	Record high maximum temperature	37.2 C (99.0 F)	35 of 100 (Notable)
Fond du Lac Wwtp	United States	Record high minimum temperature	25.6 C (78.1 F)	34 of 100 (Routine)
Edmonton	Canada	Record daily precipitation	64.0 mm (2.5 in)	33 of 100 (Routine)
Detroit Lakes 1 NNE	United States	Record high minimum temperature	25.6 C (78.1 F)	33 of 100 (Routine)
Wien	Austria	Record high minimum temperature	20.8 C (69.4 F)	32 of 100 (Routine)
Albert Lea 3SE	United States	Record high minimum temperature	29.4 C (84.9 F)	32 of 100 (Routine)
Alton	Canada	Record high maximum temperature	36.1 C (97.0 F)	31 of 100 (Routine)
Gurjala(Gurujala)	India	Record daily precipitation	71.4 mm (2.8 in)	31 of 100 (Routine)
Purushottampur	India	Record daily precipitation	68.6 mm (2.7 in)	31 of 100 (Routine)
E Tawas	United States	Record high maximum temperature	38.3 C (100.9 F)	30 of 100 (Routine)
Newberry-Luce Co Rd Commission	United States	Record high maximum temperature	37.2 C (99.0 F)	30 of 100 (Routine)
Bright Post Office	Australia	Record daily precipitation	34.5 mm (1.4 in)	29 of 100 (Routine)
Calumet	United States	Record high maximum temperature	37.2 C (99.0 F)	27 of 100 (Routine)
Crookston NW Exp STN	United States	Record high minimum temperature	24.4 C (75.9 F)	26 of 100 (Routine)
Cudgewa North	Australia	Record daily precipitation	35.1 mm (1.4 in)	25 of 100 (Routine)
Harrietville	Australia	Record daily precipitation	39.4 mm (1.6 in)	25 of 100 (Routine)
Savanne	Canada	Record high maximum temperature	36.1 C (97.0 F)	25 of 100 (Routine)
Ottawa	Canada	Record high maximum temperature	34.4 C (93.9 F)	25 of 100 (Routine)
Farmington 3NW	United States	Record high minimum temperature	24.4 C (75.9 F)	25 of 100 (Routine)
Owen Sound	Canada	Record high minimum temperature	22.2 C (72.0 F)	24 of 100 (Routine)
Hart 3 WSW	United States	Record high maximum temperature	37.2 C (99.0 F)	24 of 100 (Routine)
Milbank 4 NW	United States	Record high minimum temperature	27.8 C (82.0 F)	24 of 100 (Routine)
Ft Mc Intosh	United States	Record low maximum temperature	25.6 C (78.1 F)	24 of 100 (Routine)
Columbia Wb City	United States	Record high minimum temperature	25.6 C (78.1 F)	24 of 100 (Routine)
Malkapur	India	Record daily precipitation	75.4 mm (3.0 in)	23 of 100 (Routine)
Nikolaev	Ukraine	Record daily precipitation	27.0 mm (1.1 in)	23 of 100 (Routine)
Academy 2NE	United States	Record daily precipitation	38.1 mm (1.5 in)	23 of 100 (Routine)
Saginaw Mbs Intl AP	United States	Record high minimum temperature	23.9 C (75.0 F)	23 of 100 (Routine)
Yerevan	Armenia	Record high minimum temperature	21.4 C (70.5 F)	22 of 100 (Routine)
Griggsville	United States	Record high maximum temperature	38.9 C (102.0 F)	22 of 100 (Routine)
Adrian 2 NNE	United States	Record daily precipitation	44.7 mm (1.8 in)	22 of 100 (Routine)
Lebanon 2W	United States	Record high maximum temperature	39.4 C (102.9 F)	22 of 100 (Routine)
Vaduj	India	Record daily precipitation	38.6 mm (1.5 in)	21 of 100 (Routine)
Ai-Petri	Ukraine	Record daily precipitation	25.8 mm (1.0 in)	21 of 100 (Routine)
Decatur	United States	Record high maximum temperature	41.7 C (107.1 F)	21 of 100 (Routine)
Manistee 3SE	United States	Record high maximum temperature	35.0 C (95.0 F)	21 of 100 (Routine)
Purcellville	United States	Record high minimum temperature	26.7 C (80.1 F)	21 of 100 (Routine)
Pine River 3 NE	United States	Record high minimum temperature	23.9 C (75.0 F)	21 of 100 (Routine)
Escanaba	United States	Record high minimum temperature	22.8 C (73.0 F)	21 of 100 (Routine)
Kherson	Ukraine	Record daily precipitation	17.2 mm (0.7 in)	20 of 100 (Routine)
Gladfield Hopefield Estate	Australia	Record daily precipitation	15.2 mm (0.6 in)	20 of 100 (Routine)
Big Creek	Canada	Record daily precipitation	12.4 mm (0.5 in)	20 of 100 (Routine)
Lordsburg 4 SE	United States	Record daily precipitation	23.4 mm (0.9 in)	20 of 100 (Routine)
Lorne Post Office	Australia	Record daily precipitation	19.3 mm (0.8 in)	20 of 100 (Routine)
Port Fairy (Griffiths Island)	Australia	Record daily precipitation	16.3 mm (0.6 in)	20 of 100 (Routine)
Yalta	Ukraine	Record daily precipitation	18.5 mm (0.7 in)	20 of 100 (Routine)
Bosque del Apache	United States	Record daily precipitation	16.3 mm (0.6 in)	20 of 100 (Routine)
Willunga	Australia	Record daily precipitation	30.0 mm (1.2 in)	20 of 100 (Routine)
Jindabyne West (Hiawatha)	Australia	Record daily precipitation	11.4 mm (0.4 in)	20 of 100 (Routine)
Big Creek	Canada	Record low maximum temperature	12.8 C (55.0 F)	20 of 100 (Routine)
Eufaula	United States	Record high maximum temperature	40.6 C (105.1 F)	20 of 100 (Routine)
Thomasville	United States	Record high maximum temperature	40.6 C (105.1 F)	20 of 100 (Routine)
Pinal Rch	United States	Record daily precipitation	23.6 mm (0.9 in)	20 of 100 (Routine)

Counts by Type and Timescale

774 records

Records set or tied on 30 June 1931 by type: Highest daily maximum 356, Lowest daily maximum 14, Highest daily minimum 280, Lowest daily minimum 21, Heaviest daily rainfall 103.

Records on 30 June 1931 by type
Record type	Records
Highest daily maximum	356
Lowest daily maximum	14
Highest daily minimum	280
Lowest daily minimum	21
Heaviest daily rainfall	103
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 30 June 1931 by timescale: all-time 13, monthly 128, daily 633.

How Much Records Were Beaten By

528 broken records

Margins by which the 528 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 74.7. Ties are not counted.

Top 20 by Significance

30 June 1931

Top 20 records on 30 June 1931 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 June 1931	Henichesk, UA	daily rain	34.0 mm (1.3 in)	30.0 mm (1.2 in)	39 years	55 of 100 (Notable)
30 June 1931	Benson, US	daily rain	29.0 mm (1.1 in)	25.7 mm (1.0 in)	20 years	49 of 100 (Notable)
30 June 1931	Dhar, IN	daily rain	106.2 mm (4.2 in)	74.7 mm (2.9 in)	8 years	45 of 100 (Notable)
30 June 1931	Brandon Cda, CA	daily rain	53.1 mm (2.1 in)	31.8 mm (1.3 in)	20 years	41 of 100 (Notable)
30 June 1931	White River, CA	all-time high max	38.3 C (100.9 F)	2.2 C (4.0 F)	29 years	36 of 100 (Notable)
30 June 1931	Nemours (Ghazaouet), DZ	monthly high max	39.0 C (102.2 F)	3.0 C (5.4 F)	31 years	35 of 100 (Notable)
30 June 1931	Woodstock, CA	daily high min	24.4 C (75.9 F)	5.5 C (9.9 F)	58 years	35 of 100 (Notable)
30 June 1931	Madison Wb City, US	monthly high max	37.2 C (99.0 F)	0.5 C (0.9 F)	60 years	35 of 100 (Notable)
30 June 1931	Fond du Lac Wwtp, US	all-time high min	25.6 C (78.1 F)	0.6 C (1.1 F)	33 years	34 of 100 (Routine)
30 June 1931	Edmonton, CA	monthly rain	64.0 mm (2.5 in)	8.1 mm (0.32 in)	28 years	33 of 100 (Routine)
30 June 1931	Detroit Lakes 1 NNE, US	all-time high min	25.6 C (78.1 F)	0.6 C (1.1 F)	30 years	33 of 100 (Routine)
30 June 1931	Wien, AT	daily high min	20.8 C (69.4 F)	1.0 C (1.8 F)	73 years	32 of 100 (Routine)
30 June 1931	Albert Lea 3SE, US	all-time high min	29.4 C (84.9 F)	3.3 C (5.9 F)	4 years	32 of 100 (Routine)
30 June 1931	Alton, CA	monthly high max	36.1 C (97.0 F)	2.8 C (5.0 F)	43 years	31 of 100 (Routine)
30 June 1931	Gurjala(Gurujala), IN	daily rain	71.4 mm (2.8 in)	49.8 mm (2.0 in)	2 years	31 of 100 (Routine)
30 June 1931	Purushottampur, IN	daily rain	68.6 mm (2.7 in)	36.8 mm (1.4 in)	26 years	31 of 100 (Routine)
30 June 1931	E Tawas, US	all-time high max	38.3 C (100.9 F)	0.5 C (0.9 F)	19 years	30 of 100 (Routine)
30 June 1931	Newberry-Luce Co Rd Commission, US	all-time high max	37.2 C (99.0 F)	0.5 C (0.9 F)	24 years	30 of 100 (Routine)
30 June 1931	Bright Post Office, AU	daily rain	34.5 mm (1.4 in)	14.9 mm (0.6 in)	43 years	29 of 100 (Routine)
30 June 1931	Calumet, US	monthly high max	37.2 C (99.0 F)	1.1 C (2.0 F)	38 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

1826 to 1931

Records set or tied on this calendar date in each year from 1826 to 1931. 1931 had 774 records.

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

Records on 06-30 in each year
Year	Records
1826	1
1832	1
1835	2
1843	2
1846	1
1848	2
1849	1
1853	1
1855	1
1857	1
1860	1
1863	1
1865	1
1869	1
1871	1
1873	1
1876	1
1879	2
1882	2
1883	3
1885	4
1886	1
1887	2
1888	2
1889	1
1890	3
1891	2
1892	1
1894	1
1895	1
1896	2
1897	6
1898	3
1899	4
1900	5
1901	9
1902	10
1903	8
1904	20
1905	23
1906	20
1907	12
1908	17
1909	39
1910	57
1911	12
1912	32
1913	99
1914	97
1915	40
1916	66
1917	39
1918	54
1919	72
1920	319
1921	121
1922	133
1923	309
1924	194
1925	113
1926	65
1927	240
1928	137
1929	213
1930	168
1931	774
1932	154
1933	571
1934	331
1935	347
1936	620
1937	458
1938	330
1939	438
1940	346
1941	341
1942	408
1943	790
1944	272
1945	671
1946	631
1947	487
1948	340
1949	403
1950	494
1951	517
1952	533
1953	404
1954	426
1955	432
1956	409
1957	592
1958	423
1959	948
1960	270
1961	351
1962	375
1963	560
1964	434
1965	240
1966	379
1967	414
1968	752
1969	459
1970	730
1971	459
1972	558
1973	623
1974	643
1975	414
1976	607
1977	662
1978	721
1979	601
1980	935
1981	838
1982	1,230
1983	752
1984	722
1985	829
1986	745
1987	1,044
1988	1,216
1989	953
1990	1,191
1991	1,129
1992	1,670
1993	711
1994	951
1995	1,354
1996	889
1997	938
1998	1,714
1999	910
2000	861
2001	778
2002	904
2003	896
2004	998
2005	1,526
2006	723
2007	736
2008	852
2009	1,052
2010	1,069
2011	1,057
2012	1,416
2013	963
2014	496
2015	1,018
2016	371
2017	642
2018	625
2019	1,042
2020	1,151
2021	1,442
2022	709
2023	531
2024	1,004
2025	858
2026	999

Download the Data

Data for records on 1931-06-30: 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	499
10 to 20	19
20 to 30	5
30 to 40	3
40 to 50	1
50 to 60	0
60 to 70	0
70 to 80	1