Weather Records on 30 May 1931

316 weather records were set or tied worldwide on 30 May 1931. Highest significance: Marseille Obs. Palais-Lonchamp, FR.

Key Facts for 30 May 1931

On 30 May 1931, 316 weather records were set or tied at long-record stations worldwide.
125 were record highs and 42 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 13 monthly and 303 daily.
Marseille Obs. Palais-Lonchamp set a daily record precipitation of 40.0 mm (1.6 in) on 30 May 1931.
Across 165 earlier years (1818 to 2026) the same calendar date averaged 439 records.

Record Map

316 stations

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

Weather records on 30 May 1931: highest significance records shown on the map
Station	Country	Type	Value	Significance
Marseille Obs. Palais-Lonchamp	France	Record daily precipitation	40.0 mm (1.6 in)	55 of 100 (Notable)
Wyee (Wyee Farms Rd)	Australia	Record daily precipitation	125.7 mm (4.9 in)	48 of 100 (Notable)
Hattin	India	Record daily precipitation	26.7 mm (1.1 in)	47 of 100 (Notable)
Tiruvarur	India	Record daily precipitation	101.6 mm (4.0 in)	42 of 100 (Notable)
Geneve Observatoire	Switzerland	Record daily precipitation	38.0 mm (1.5 in)	40 of 100 (Notable)
Braunschweig (T.H.)	Germany	Record daily precipitation	29.2 mm (1.1 in)	38 of 100 (Notable)
Flinders State School	Australia	Record daily precipitation	28.2 mm (1.1 in)	34 of 100 (Routine)
Pisangan	India	Record daily precipitation	40.1 mm (1.6 in)	32 of 100 (Routine)
Palladam	India	Record daily precipitation	66.5 mm (2.6 in)	32 of 100 (Routine)
Noorinbee	Australia	Record daily precipitation	49.3 mm (1.9 in)	31 of 100 (Routine)
Alangudi	India	Record daily precipitation	71.6 mm (2.8 in)	31 of 100 (Routine)
Jena Sternwarte	Germany	Record high minimum temperature	15.5 C (59.9 F)	30 of 100 (Routine)
Virajpet	India	Record daily precipitation	78.7 mm (3.1 in)	30 of 100 (Routine)
Nannilam	India	Record daily precipitation	59.7 mm (2.4 in)	29 of 100 (Routine)
Nidamangalam	India	Record daily precipitation	82.6 mm (3.3 in)	29 of 100 (Routine)
Jalore	India	Record daily precipitation	41.9 mm (1.6 in)	28 of 100 (Routine)
Korumburra	Australia	Record daily precipitation	31.8 mm (1.3 in)	27 of 100 (Routine)
Chengam	India	Record daily precipitation	119.9 mm (4.7 in)	27 of 100 (Routine)
Nanaimo	Canada	Record high minimum temperature	17.2 C (63.0 F)	26 of 100 (Routine)
Tirumayam	India	Record daily precipitation	62.2 mm (2.4 in)	26 of 100 (Routine)
Waverly	United States	Record high minimum temperature	22.2 C (72.0 F)	26 of 100 (Routine)
Chickballapur	India	Record daily precipitation	28.4 mm (1.1 in)	24 of 100 (Routine)
Honnali	India	Record daily precipitation	65.8 mm (2.6 in)	24 of 100 (Routine)
Eugene	United States	Record high maximum temperature	33.3 C (91.9 F)	24 of 100 (Routine)
Charlottesville 2W	United States	Record daily precipitation	41.1 mm (1.6 in)	24 of 100 (Routine)
Newark Liberty Intl AP	United States	Record high maximum temperature	33.3 C (91.9 F)	24 of 100 (Routine)
Narracan East (Lynnsmere)	Australia	Record daily precipitation	26.4 mm (1.0 in)	23 of 100 (Routine)
Calgary Int'l A	Canada	Record high minimum temperature	12.2 C (54.0 F)	22 of 100 (Routine)
Sable Island	Canada	Record high maximum temperature	17.8 C (64.0 F)	22 of 100 (Routine)
Gorlitz	Germany	Record high maximum temperature	30.2 C (86.4 F)	22 of 100 (Routine)
Plauen	Germany	Record high minimum temperature	16.5 C (61.7 F)	22 of 100 (Routine)
Ft Mc Intosh	United States	Record low maximum temperature	21.7 C (71.1 F)	22 of 100 (Routine)
Lakeside	United States	Record high minimum temperature	17.2 C (63.0 F)	22 of 100 (Routine)
Mulbagal	India	Record daily precipitation	32.0 mm (1.3 in)	21 of 100 (Routine)
Newton	United States	Record daily precipitation	39.6 mm (1.6 in)	21 of 100 (Routine)
Berlin-Dahlem (Lfag)	Germany	Record daily precipitation	22.2 mm (0.9 in)	20 of 100 (Routine)
Lowestoft	United Kingdom	Record daily precipitation	15.8 mm (0.6 in)	20 of 100 (Routine)
Palwal	India	Record daily precipitation	21.8 mm (0.9 in)	20 of 100 (Routine)
Magdeburg	Germany	Record daily precipitation	18.5 mm (0.7 in)	20 of 100 (Routine)
Grantville	Australia	Record daily precipitation	24.1 mm (0.9 in)	20 of 100 (Routine)
Soltau	Germany	Record daily precipitation	23.8 mm (0.9 in)	20 of 100 (Routine)
Phalodi	India	Record daily precipitation	21.1 mm (0.8 in)	20 of 100 (Routine)
Loch	Australia	Record daily precipitation	23.4 mm (0.9 in)	20 of 100 (Routine)
Rohtak	India	Record daily precipitation	17.8 mm (0.7 in)	20 of 100 (Routine)
Gurgaon	India	Record daily precipitation	14.5 mm (0.6 in)	20 of 100 (Routine)
Lachmangarh	India	Record daily precipitation	15.5 mm (0.6 in)	20 of 100 (Routine)
Manistee 3SE	United States	Record daily precipitation	17.8 mm (0.7 in)	20 of 100 (Routine)
Cathcart (Old Post Office)	Australia	Record daily precipitation	24.6 mm (1.0 in)	20 of 100 (Routine)
Wolfville	Canada	Record high minimum temperature	16.7 C (62.1 F)	20 of 100 (Routine)
Ekaterinburg	Russia	Record low minimum temperature	-3.1 C (26.4 F)	20 of 100 (Routine)
Vastervik	Sweden	Record low maximum temperature	9.2 C (48.6 F)	20 of 100 (Routine)
San Diego Wbo	United States	Record high minimum temperature	17.2 C (63.0 F)	20 of 100 (Routine)
Corvallis State UNIV	United States	Record high minimum temperature	14.4 C (57.9 F)	20 of 100 (Routine)
Jacksonville	United States	Record high minimum temperature	15.0 C (59.0 F)	20 of 100 (Routine)
Moncton	Canada	Record high minimum temperature	15.0 C (59.0 F)	19 of 100 (Routine)
Radhanpur	India	Record daily precipitation	8.9 mm (0.35 in)	19 of 100 (Routine)
Kolar	India	Record daily precipitation	66.0 mm (2.6 in)	19 of 100 (Routine)
Dharapuram	India	Record daily precipitation	69.9 mm (2.8 in)	19 of 100 (Routine)
Vedaranayam	India	Record daily precipitation	72.4 mm (2.9 in)	19 of 100 (Routine)
Turaiyur	India	Record daily precipitation	37.3 mm (1.5 in)	19 of 100 (Routine)

Counts by Type and Timescale

316 records

Records set or tied on 30 May 1931 by type: Highest daily maximum 73, Lowest daily maximum 17, Highest daily minimum 52, Lowest daily minimum 25, Heaviest daily rainfall 149.

Records on 30 May 1931 by type
Record type	Records
Highest daily maximum	73
Lowest daily maximum	17
Highest daily minimum	52
Lowest daily minimum	25
Heaviest daily rainfall	149
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 30 May 1931 by timescale: all-time 0, monthly 13, daily 303.

How Much Records Were Beaten By

259 broken records

Margins by which the 259 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 71.9. Ties are not counted.

Top 20 by Significance

30 May 1931

Top 20 records on 30 May 1931 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 May 1931	Marseille Obs. Palais-Lonchamp, FR	daily rain	40.0 mm (1.6 in)	31.5 mm (1.2 in)	49 years	55 of 100 (Notable)
30 May 1931	Wyee (Wyee Farms Rd), AU	daily rain	125.7 mm (4.9 in)	71.9 mm (2.8 in)	17 years	48 of 100 (Notable)
30 May 1931	Hattin, IN	daily rain	26.7 mm (1.1 in)	26.7 mm (1.1 in)	29 years	47 of 100 (Notable)
30 May 1931	Tiruvarur, IN	daily rain	101.6 mm (4.0 in)	68.6 mm (2.7 in)	14 years	42 of 100 (Notable)
30 May 1931	Geneve Observatoire, CH	daily rain	38.0 mm (1.5 in)	24.7 mm (1.0 in)	4 years	40 of 100 (Notable)
30 May 1931	Braunschweig (T.H.), DE	daily rain	29.2 mm (1.1 in)	18.7 mm (0.7 in)	4 years	38 of 100 (Notable)
30 May 1931	Flinders State School, AU	daily rain	28.2 mm (1.1 in)	14.5 mm (0.6 in)	37 years	34 of 100 (Routine)
30 May 1931	Pisangan, IN	monthly rain	40.1 mm (1.6 in)	12.7 mm (0.5 in)	14 years	32 of 100 (Routine)
30 May 1931	Palladam, IN	daily rain	66.5 mm (2.6 in)	34.0 mm (1.3 in)	26 years	32 of 100 (Routine)
30 May 1931	Noorinbee, AU	daily rain	49.3 mm (1.9 in)	30.8 mm (1.2 in)	4 years	31 of 100 (Routine)
30 May 1931	Alangudi, IN	daily rain	71.6 mm (2.8 in)	44.2 mm (1.7 in)	20 years	31 of 100 (Routine)
30 May 1931	Jena Sternwarte, DE	daily high min	15.5 C (59.9 F)	0.4 C (0.7 F)	65 years	30 of 100 (Routine)
30 May 1931	Virajpet, IN	daily rain	78.7 mm (3.1 in)	44.4 mm (1.7 in)	17 years	30 of 100 (Routine)
30 May 1931	Nannilam, IN	daily rain	59.7 mm (2.4 in)	40.6 mm (1.6 in)	25 years	29 of 100 (Routine)
30 May 1931	Nidamangalam, IN	daily rain	82.6 mm (3.3 in)	42.0 mm (1.7 in)	25 years	29 of 100 (Routine)
30 May 1931	Jalore, IN	monthly rain	41.9 mm (1.6 in)	8.9 mm (0.35 in)	14 years	28 of 100 (Routine)
30 May 1931	Korumburra, AU	daily rain	31.8 mm (1.3 in)	15.5 mm (0.6 in)	20 years	27 of 100 (Routine)
30 May 1931	Chengam, IN	monthly rain	119.9 mm (4.7 in)	24.4 mm (1.0 in)	1 year	27 of 100 (Routine)
30 May 1931	Nanaimo, CA	daily high min	17.2 C (63.0 F)	4.4 C (7.9 F)	28 years	26 of 100 (Routine)
30 May 1931	Tirumayam, IN	daily rain	62.2 mm (2.4 in)	31.7 mm (1.2 in)	14 years	26 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

1818 to 1931

Records set or tied on this calendar date in each year from 1818 to 1931. 1931 had 316 records.

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

Records on 05-30 in each year
Year	Records
1818	3
1844	1
1847	1
1848	1
1852	1
1853	1
1855	1
1856	1
1858	1
1860	2
1863	1
1864	1
1865	4
1867	1
1868	4
1870	1
1871	2
1873	4
1878	1
1879	1
1880	2
1881	1
1882	2
1883	1
1884	2
1885	1
1886	1
1887	1
1889	3
1890	1
1891	1
1892	2
1893	7
1894	2
1895	5
1896	1
1897	1
1898	2
1899	4
1900	1
1901	4
1902	9
1903	12
1904	7
1905	20
1906	8
1907	20
1908	32
1909	6
1910	22
1911	22
1912	26
1913	89
1914	25
1915	32
1916	41
1917	42
1918	31
1919	90
1920	28
1921	392
1922	72
1923	121
1924	187
1925	190
1926	201
1927	177
1928	86
1929	368
1930	530
1931	316
1932	256
1933	250
1934	731
1935	88
1936	579
1937	440
1938	309
1939	336
1940	289
1941	518
1942	500
1943	444
1944	325
1945	383
1946	310
1947	880
1948	386
1949	318
1950	376
1951	448
1952	295
1953	622
1954	271
1955	377
1956	466
1957	267
1958	480
1959	419
1960	274
1961	657
1962	454
1963	245
1964	709
1965	454
1966	326
1967	859
1968	357
1969	1,092
1970	483
1971	1,044
1972	721
1973	391
1974	631
1975	776
1976	499
1977	444
1978	888
1979	1,185
1980	650
1981	1,001
1982	981
1983	1,310
1984	2,543
1985	772
1986	1,264
1987	1,021
1988	1,371
1989	1,021
1990	983
1991	1,264
1992	1,413
1993	690
1994	834
1995	777
1996	893
1997	936
1998	1,190
1999	1,113
2000	1,391
2001	854
2002	940
2003	1,110
2004	1,219
2005	737
2006	1,179
2007	1,128
2008	829
2009	480
2010	771
2011	1,914
2012	720
2013	821
2014	551
2015	699
2016	540
2017	657
2018	1,319
2019	706
2020	920
2021	841
2022	1,034
2023	344
2024	600
2025	828
2026	525

Download the Data

Data for records on 1931-05-30: 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	210
10 to 20	26
20 to 30	13
30 to 40	4
40 to 50	4
50 to 60	0
60 to 70	1
70 to 80	1