Weather Records on 31 May 1942

364 weather records were set or tied worldwide on 31 May 1942. Highest significance: Naboomspruit (Pol), ZA.

Key Facts for 31 May 1942

On 31 May 1942, 364 weather records were set or tied at long-record stations worldwide.
159 were record highs and 43 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 32 monthly and 332 daily.
Naboomspruit (Pol) set a monthly record daily precipitation of 80.0 mm (3.1 in) on 31 May 1942.
Across 161 earlier years (1811 to 2026) the same calendar date averaged 438 records.

Record Map

364 stations

364 station records on 31 May 1942 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 31 May 1942: highest significance records shown on the map
Station	Country	Type	Value	Significance
Naboomspruit (Pol)	South Africa	Record daily precipitation	80.0 mm (3.1 in)	58 of 100 (Notable)
Hays 1 S	United States	Record daily precipitation	114.0 mm (4.5 in)	58 of 100 (Notable)
Kalkfontein	South Africa	Record daily precipitation	88.1 mm (3.5 in)	57 of 100 (Notable)
Planknek	South Africa	Record daily precipitation	41.4 mm (1.6 in)	54 of 100 (Notable)
Traverse Cy Cherry Capital AP	United States	Record daily precipitation	70.6 mm (2.8 in)	53 of 100 (Notable)
Illawarra	South Africa	Record daily precipitation	44.5 mm (1.8 in)	52 of 100 (Notable)
Martenshoop (Pol)	South Africa	Record daily precipitation	38.9 mm (1.5 in)	52 of 100 (Notable)
Fond du Lac Wwtp	United States	Record daily precipitation	50.8 mm (2.0 in)	51 of 100 (Notable)
Mbabane	Swaziland	Record daily precipitation	61.7 mm (2.4 in)	51 of 100 (Notable)
Roodekuil	South Africa	Record daily precipitation	40.4 mm (1.6 in)	50 of 100 (Notable)
Birch Tree	United States	Record daily precipitation	73.7 mm (2.9 in)	49 of 100 (Notable)
Grand River Lock	United States	Record daily precipitation	64.8 mm (2.6 in)	49 of 100 (Notable)
Hancock Exp Farm	United States	Record daily precipitation	58.4 mm (2.3 in)	48 of 100 (Notable)
Northwood	United States	Record daily precipitation	83.8 mm (3.3 in)	46 of 100 (Notable)
Tonteldoos	South Africa	Record daily precipitation	48.8 mm (1.9 in)	45 of 100 (Notable)
New Hampton	United States	Record daily precipitation	50.8 mm (2.0 in)	45 of 100 (Notable)
Schoonoord	South Africa	Record daily precipitation	50.8 mm (2.0 in)	44 of 100 (Notable)
Mammoth Spring	United States	Record daily precipitation	93.0 mm (3.7 in)	44 of 100 (Notable)
Albion	United States	Record daily precipitation	78.0 mm (3.1 in)	43 of 100 (Notable)
Nebo	South Africa	Record daily precipitation	50.8 mm (2.0 in)	42 of 100 (Notable)
Haenertsburg (Pol)	South Africa	Record daily precipitation	38.1 mm (1.5 in)	42 of 100 (Notable)
Menasha	United States	Record daily precipitation	72.4 mm (2.9 in)	41 of 100 (Notable)
Plymouth Wwtp	United States	Record daily precipitation	88.1 mm (3.5 in)	41 of 100 (Notable)
Appleton	United States	Record daily precipitation	51.1 mm (2.0 in)	40 of 100 (Notable)
Paris	Canada	Record daily precipitation	47.2 mm (1.9 in)	39 of 100 (Notable)
Oorschot	South Africa	Record daily precipitation	38.1 mm (1.5 in)	39 of 100 (Notable)
Lockport 2SE	United States	Record daily precipitation	35.6 mm (1.4 in)	39 of 100 (Notable)
Lake Mills Wwtp	United States	Record daily precipitation	54.4 mm (2.1 in)	39 of 100 (Notable)
Nimingarra	Australia	Record daily precipitation	31.2 mm (1.2 in)	38 of 100 (Notable)
Burnett 3 S	United States	Record daily precipitation	64.5 mm (2.5 in)	38 of 100 (Notable)
Pine River 3 NE	United States	Record daily precipitation	33.8 mm (1.3 in)	38 of 100 (Notable)
Touros	Brazil	Record daily precipitation	98.7 mm (3.9 in)	37 of 100 (Notable)
Kalkfontein	South Africa	Record daily precipitation	53.6 mm (2.1 in)	37 of 100 (Notable)
Moncton	Canada	Record daily precipitation	28.7 mm (1.1 in)	36 of 100 (Notable)
Ft Ripley	United States	Record daily precipitation	58.9 mm (2.3 in)	35 of 100 (Notable)
Bergplaats	South Africa	Record daily precipitation	36.8 mm (1.4 in)	34 of 100 (Routine)
Wonderfontein (Skl)	South Africa	Record daily precipitation	50.5 mm (2.0 in)	34 of 100 (Routine)
Independence	United States	Record daily precipitation	31.2 mm (1.2 in)	34 of 100 (Routine)
Mason City	United States	Record daily precipitation	60.2 mm (2.4 in)	34 of 100 (Routine)
New London	United States	Record daily precipitation	50.0 mm (2.0 in)	34 of 100 (Routine)
Carmichael (Tnk)	South Africa	Record daily precipitation	30.7 mm (1.2 in)	33 of 100 (Routine)
Mauston 1 SE	United States	Record daily precipitation	43.2 mm (1.7 in)	33 of 100 (Routine)
Amsterdam (Pol)	South Africa	Record daily precipitation	35.6 mm (1.4 in)	32 of 100 (Routine)
Versamelhoek	South Africa	Record daily precipitation	59.7 mm (2.4 in)	32 of 100 (Routine)
Badplaas (Pol)	South Africa	Record daily precipitation	71.9 mm (2.8 in)	31 of 100 (Routine)
Midland 2	United States	Record daily precipitation	38.6 mm (1.5 in)	30 of 100 (Routine)
Saginaw Mbs Intl AP	United States	Record daily precipitation	55.6 mm (2.2 in)	30 of 100 (Routine)
Dubuque River	United States	Record daily precipitation	40.4 mm (1.6 in)	30 of 100 (Routine)
Pelee Island	Canada	Record daily precipitation	33.0 mm (1.3 in)	29 of 100 (Routine)
Wayne	United States	Record daily precipitation	63.5 mm (2.5 in)	29 of 100 (Routine)
Morris W Cntrl Rsch & Outreach	United States	Record daily precipitation	40.6 mm (1.6 in)	29 of 100 (Routine)
Watertown Wwtp	United States	Record daily precipitation	26.7 mm (1.1 in)	29 of 100 (Routine)
Flemington 5 NNW	United States	Record high minimum temperature	21.7 C (71.1 F)	28 of 100 (Routine)
Tezpur	India	Record daily precipitation	48.8 mm (1.9 in)	27 of 100 (Routine)
Manitowoc	United States	Record daily precipitation	28.7 mm (1.1 in)	27 of 100 (Routine)
Georgetown	Canada	Record daily precipitation	31.2 mm (1.2 in)	26 of 100 (Routine)
Osage	United States	Record daily precipitation	51.1 mm (2.0 in)	26 of 100 (Routine)
Arhangelsk	Russia	Record high maximum temperature	29.9 C (85.8 F)	25 of 100 (Routine)
Frankfort 2NE	United States	Record high minimum temperature	19.4 C (66.9 F)	25 of 100 (Routine)
Winona	United States	Record daily precipitation	27.4 mm (1.1 in)	25 of 100 (Routine)

Counts by Type and Timescale

364 records

Records set or tied on 31 May 1942 by type: Highest daily maximum 45, Lowest daily maximum 29, Highest daily minimum 114, Lowest daily minimum 14, Heaviest daily rainfall 162.

Records on 31 May 1942 by type
Record type	Records
Highest daily maximum	45
Lowest daily maximum	29
Highest daily minimum	114
Lowest daily minimum	14
Heaviest daily rainfall	162
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 31 May 1942 by timescale: all-time 0, monthly 32, daily 332.

How Much Records Were Beaten By

282 broken records

Margins by which the 282 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 81.0. Ties are not counted.

Top 20 by Significance

31 May 1942

Top 20 records on 31 May 1942 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
31 May 1942	Naboomspruit (Pol), ZA	monthly rain	80.0 mm (3.1 in)	40.6 mm (1.6 in)	18 years	58 of 100 (Notable)
31 May 1942	Hays 1 S, US	daily rain	114.0 mm (4.5 in)	81.0 mm (3.2 in)	45 years	58 of 100 (Notable)
31 May 1942	Kalkfontein, ZA	monthly rain	88.1 mm (3.5 in)	44.2 mm (1.7 in)	15 years	57 of 100 (Notable)
31 May 1942	Planknek, ZA	daily rain	41.4 mm (1.6 in)	41.4 mm (1.6 in)	37 years	54 of 100 (Notable)
31 May 1942	Traverse Cy Cherry Capital AP, US	daily rain	70.6 mm (2.8 in)	40.1 mm (1.6 in)	31 years	53 of 100 (Notable)
31 May 1942	Illawarra, ZA	daily rain	44.5 mm (1.8 in)	43.7 mm (1.7 in)	32 years	52 of 100 (Notable)
31 May 1942	Martenshoop (Pol), ZA	daily rain	38.9 mm (1.5 in)	38.9 mm (1.5 in)	32 years	52 of 100 (Notable)
31 May 1942	Fond du Lac Wwtp, US	daily rain	50.8 mm (2.0 in)	36.1 mm (1.4 in)	20 years	51 of 100 (Notable)
31 May 1942	Mbabane, SZ	monthly rain	61.7 mm (2.4 in)	23.3 mm (0.9 in)	10 years	51 of 100 (Notable)
31 May 1942	Roodekuil, ZA	daily rain	40.4 mm (1.6 in)	39.9 mm (1.6 in)	24 years	50 of 100 (Notable)
31 May 1942	Birch Tree, US	daily rain	73.7 mm (2.9 in)	44.5 mm (1.8 in)	36 years	49 of 100 (Notable)
31 May 1942	Grand River Lock, US	daily rain	64.8 mm (2.6 in)	44.5 mm (1.8 in)	20 years	49 of 100 (Notable)
31 May 1942	Hancock Exp Farm, US	daily rain	58.4 mm (2.3 in)	40.6 mm (1.6 in)	31 years	48 of 100 (Notable)
31 May 1942	Northwood, US	daily rain	83.8 mm (3.3 in)	56.4 mm (2.2 in)	16 years	46 of 100 (Notable)
31 May 1942	Tonteldoos, ZA	daily rain	48.8 mm (1.9 in)	46.8 mm (1.8 in)	20 years	45 of 100 (Notable)
31 May 1942	New Hampton, US	daily rain	50.8 mm (2.0 in)	34.0 mm (1.3 in)	42 years	45 of 100 (Notable)
31 May 1942	Schoonoord, ZA	monthly rain	50.8 mm (2.0 in)	19.8 mm (0.8 in)	6 years	44 of 100 (Notable)
31 May 1942	Mammoth Spring, US	daily rain	93.0 mm (3.7 in)	44.2 mm (1.7 in)	35 years	44 of 100 (Notable)
31 May 1942	Albion, US	daily rain	78.0 mm (3.1 in)	40.9 mm (1.6 in)	0 years	43 of 100 (Notable)
31 May 1942	Nebo, ZA	monthly rain	50.8 mm (2.0 in)	20.3 mm (0.8 in)	2 years	42 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

1811 to 1942

Records set or tied on this calendar date in each year from 1811 to 1942. 1942 had 364 records.

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

Records on 05-31 in each year
Year	Records
1811	1
1818	3
1827	1
1836	2
1845	1
1847	1
1853	2
1855	2
1858	1
1864	2
1865	1
1866	1
1867	1
1868	4
1869	1
1871	2
1873	3
1874	1
1877	1
1878	2
1879	2
1880	3
1882	1
1883	1
1885	1
1888	1
1889	2
1890	1
1892	1
1893	4
1894	2
1895	8
1897	5
1898	7
1899	1
1900	2
1901	9
1902	9
1903	17
1904	19
1905	7
1906	11
1907	20
1908	12
1909	8
1910	26
1911	20
1912	15
1913	83
1914	20
1915	23
1916	23
1917	13
1918	20
1919	44
1920	46
1921	157
1922	49
1923	98
1924	152
1925	226
1926	228
1927	121
1928	67
1929	246
1930	612
1931	223
1932	181
1933	397
1934	782
1935	156
1936	559
1937	462
1938	424
1939	461
1940	383
1941	410
1942	364
1943	552
1944	372
1945	457
1946	380
1947	439
1948	295
1949	303
1950	467
1951	640
1952	374
1953	654
1954	445
1955	534
1956	632
1957	304
1958	429
1959	459
1960	247
1961	472
1962	565
1963	354
1964	1,237
1965	494
1966	601
1967	987
1968	276
1969	555
1970	573
1971	714
1972	1,127
1973	418
1974	473
1975	797
1976	435
1977	605
1978	873
1979	915
1980	517
1981	775
1982	817
1983	1,494
1984	2,047
1985	790
1986	1,365
1987	822
1988	1,255
1989	912
1990	900
1991	1,381
1992	1,031
1993	982
1994	776
1995	693
1996	946
1997	1,163
1998	1,215
1999	790
2000	1,172
2001	1,047
2002	1,162
2003	831
2004	1,071
2005	724
2006	1,045
2007	793
2008	809
2009	570
2010	741
2011	1,498
2012	764
2013	1,100
2014	565
2015	704
2016	402
2017	440
2018	1,211
2019	420
2020	673
2021	834
2022	902
2023	454
2024	809
2025	1,204
2026	536

Download the Data

Data for records on 1942-05-31: 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	241
20 to 40	27
40 to 60	13
60 to 80	0
80 to 100	1