Weather Records on 31 July 1931

441 weather records were set or tied worldwide on 31 July 1931. Highest significance: Browning, US.

Key Facts for 31 July 1931

On 31 July 1931, 441 weather records were set or tied at long-record stations worldwide.
279 were record highs and 35 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 9 monthly and 430 daily.
Browning set a daily record precipitation of 50.0 mm (2.0 in) on 31 July 1931.
Across 155 earlier years (1804 to 2026) the same calendar date averaged 471 records.

Record Map

441 stations

441 station records on 31 July 1931 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 31 July 1931: highest significance records shown on the map
Station	Country	Type	Value	Significance
Browning	United States	Record daily precipitation	50.0 mm (2.0 in)	44 of 100 (Notable)
Raleigh State UNIV	United States	Record daily precipitation	68.6 mm (2.7 in)	44 of 100 (Notable)
Kopati(Kaupati)	India	Record daily precipitation	125.7 mm (4.9 in)	43 of 100 (Notable)
Vada	India	Record daily precipitation	218.2 mm (8.6 in)	41 of 100 (Notable)
Nannilam	India	Record daily precipitation	47.2 mm (1.9 in)	41 of 100 (Notable)
Jamestown State Hosp	United States	Record daily precipitation	34.5 mm (1.4 in)	40 of 100 (Notable)
Igatpuri	India	Record daily precipitation	202.2 mm (8.0 in)	34 of 100 (Routine)
Amroha	India	Record daily precipitation	111.8 mm (4.4 in)	34 of 100 (Routine)
Pine Rvr Dam	United States	Record daily precipitation	44.7 mm (1.8 in)	32 of 100 (Routine)
Ambala Obsy	India	Record daily precipitation	110.5 mm (4.4 in)	31 of 100 (Routine)
Anticosti Heath Point	Canada	Record daily precipitation	27.7 mm (1.1 in)	29 of 100 (Routine)
Mahua	India	Record daily precipitation	59.7 mm (2.4 in)	28 of 100 (Routine)
Surat	India	Record daily precipitation	102.1 mm (4.0 in)	28 of 100 (Routine)
Navapur	India	Record daily precipitation	110.2 mm (4.3 in)	28 of 100 (Routine)
Uman	Ukraine	Record daily precipitation	40.4 mm (1.6 in)	28 of 100 (Routine)
Napoleon	United States	Record daily precipitation	30.0 mm (1.2 in)	28 of 100 (Routine)
Estherville 4E	United States	Record high maximum temperature	40.0 C (104.0 F)	27 of 100 (Routine)
Amenia	United States	Record daily precipitation	40.6 mm (1.6 in)	27 of 100 (Routine)
Detroit Lakes 1 NNE	United States	Record daily precipitation	35.6 mm (1.4 in)	26 of 100 (Routine)
Rock Rapids	United States	Record high maximum temperature	38.9 C (102.0 F)	25 of 100 (Routine)
Dickinson Exp STN	United States	Record low maximum temperature	13.9 C (57.0 F)	25 of 100 (Routine)
Buckhannon	United States	Record daily precipitation	53.3 mm (2.1 in)	25 of 100 (Routine)
Tuckerton 2 NE	United States	Record high minimum temperature	26.7 C (80.1 F)	24 of 100 (Routine)
Lexington Bluegrass AP	United States	Record high minimum temperature	25.0 C (77.0 F)	24 of 100 (Routine)
Jamkhed	India	Record daily precipitation	29.2 mm (1.1 in)	23 of 100 (Routine)
Augusta	United States	Record daily precipitation	26.4 mm (1.0 in)	23 of 100 (Routine)
Columbus 3 NE	United States	Record high minimum temperature	25.6 C (78.1 F)	23 of 100 (Routine)
Franklin	United States	Record high minimum temperature	23.9 C (75.0 F)	23 of 100 (Routine)
Marion	United States	Record high maximum temperature	42.2 C (108.0 F)	23 of 100 (Routine)
Mahim	India	Record daily precipitation	105.7 mm (4.2 in)	22 of 100 (Routine)
New Delhi/Safdarjun	India	Record daily precipitation	47.8 mm (1.9 in)	22 of 100 (Routine)
Madison	United States	Record high maximum temperature	38.9 C (102.0 F)	22 of 100 (Routine)
Patti	India	Record daily precipitation	123.2 mm (4.9 in)	21 of 100 (Routine)
Sioux Ctr 2 SE	United States	Record high maximum temperature	39.4 C (102.9 F)	21 of 100 (Routine)
Alexandria	United States	Record high maximum temperature	41.1 C (106.0 F)	21 of 100 (Routine)
Flandreau	United States	Record high maximum temperature	38.9 C (102.0 F)	21 of 100 (Routine)
Howard	United States	Record high maximum temperature	40.0 C (104.0 F)	21 of 100 (Routine)
Park Rapids Muni AP	United States	Record daily precipitation	41.7 mm (1.6 in)	21 of 100 (Routine)
Great Falls 16St	United States	Record daily precipitation	22.9 mm (0.9 in)	20 of 100 (Routine)
Glenwood Spgs #2	United States	Record daily precipitation	20.3 mm (0.8 in)	20 of 100 (Routine)
Orenburg	Russia	Record daily precipitation	11.7 mm (0.5 in)	20 of 100 (Routine)
Bozeman Montana State UNIV	United States	Record daily precipitation	23.9 mm (0.9 in)	20 of 100 (Routine)
Wandearah North	Australia	Record daily precipitation	14.7 mm (0.6 in)	20 of 100 (Routine)
Brandon Cda	Canada	Record daily precipitation	19.6 mm (0.8 in)	20 of 100 (Routine)
Collbran	United States	Record low maximum temperature	22.2 C (72.0 F)	20 of 100 (Routine)
Delta	United States	Record low maximum temperature	23.3 C (73.9 F)	20 of 100 (Routine)
Athens	United States	Record high minimum temperature	24.4 C (75.9 F)	20 of 100 (Routine)
Le Mars	United States	Record high minimum temperature	26.1 C (79.0 F)	20 of 100 (Routine)
Norton 9SSE	United States	Record high minimum temperature	25.6 C (78.1 F)	20 of 100 (Routine)
Hartington	United States	Record high minimum temperature	25.6 C (78.1 F)	20 of 100 (Routine)
Mohall	United States	Record daily precipitation	13.7 mm (0.5 in)	20 of 100 (Routine)
Academy 2NE	United States	Record high maximum temperature	41.7 C (107.1 F)	20 of 100 (Routine)
Chhota-Udepur	India	Record daily precipitation	79.2 mm (3.1 in)	19 of 100 (Routine)
Ambala	India	Record daily precipitation	61.0 mm (2.4 in)	19 of 100 (Routine)
Sausar	India	Record daily precipitation	69.3 mm (2.7 in)	19 of 100 (Routine)
Saharanpur	India	Record daily precipitation	62.2 mm (2.4 in)	19 of 100 (Routine)
Winnebago	United States	Record high maximum temperature	37.8 C (100.0 F)	19 of 100 (Routine)
Poplar 2 E	United States	Record low maximum temperature	16.1 C (61.0 F)	19 of 100 (Routine)
Poplar 2 E	United States	Record daily precipitation	20.3 mm (0.8 in)	19 of 100 (Routine)
Hartington	United States	Record high maximum temperature	40.0 C (104.0 F)	19 of 100 (Routine)

Counts by Type and Timescale

441 records

Records set or tied on 31 July 1931 by type: Highest daily maximum 128, Lowest daily maximum 31, Highest daily minimum 151, Lowest daily minimum 4, Heaviest daily rainfall 127.

Records on 31 July 1931 by type
Record type	Records
Highest daily maximum	128
Lowest daily maximum	31
Highest daily minimum	151
Lowest daily minimum	4
Heaviest daily rainfall	127
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 31 July 1931 by timescale: all-time 2, monthly 9, daily 430.

How Much Records Were Beaten By

341 broken records

Margins by which the 341 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 148.1. Ties are not counted.

Top 20 by Significance

31 July 1931

Top 20 records on 31 July 1931 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
31 July 1931	Browning, US	daily rain	50.0 mm (2.0 in)	37.3 mm (1.5 in)	4 years	44 of 100 (Notable)
31 July 1931	Raleigh State UNIV, US	daily rain	68.6 mm (2.7 in)	40.7 mm (1.6 in)	31 years	44 of 100 (Notable)
31 July 1931	Kopati(Kaupati), IN	daily rain	125.7 mm (4.9 in)	67.3 mm (2.6 in)	20 years	43 of 100 (Notable)
31 July 1931	Vada, IN	daily rain	218.2 mm (8.6 in)	148.1 mm (5.8 in)	16 years	41 of 100 (Notable)
31 July 1931	Nannilam, IN	daily rain	47.2 mm (1.9 in)	44.7 mm (1.8 in)	28 years	41 of 100 (Notable)
31 July 1931	Jamestown State Hosp, US	daily rain	34.5 mm (1.4 in)	30.7 mm (1.2 in)	20 years	40 of 100 (Notable)
31 July 1931	Igatpuri, IN	daily rain	202.2 mm (8.0 in)	111.5 mm (4.4 in)	16 years	34 of 100 (Routine)
31 July 1931	Amroha, IN	daily rain	111.8 mm (4.4 in)	78.5 mm (3.1 in)	10 years	34 of 100 (Routine)
31 July 1931	Pine Rvr Dam, US	daily rain	44.7 mm (1.8 in)	30.0 mm (1.2 in)	24 years	32 of 100 (Routine)
31 July 1931	Ambala Obsy, IN	daily rain	110.5 mm (4.4 in)	62.2 mm (2.4 in)	0 years	31 of 100 (Routine)
31 July 1931	Anticosti Heath Point, CA	daily rain	27.7 mm (1.1 in)	18.3 mm (0.7 in)	13 years	29 of 100 (Routine)
31 July 1931	Mahua, IN	daily rain	59.7 mm (2.4 in)	37.3 mm (1.5 in)	24 years	28 of 100 (Routine)
31 July 1931	Surat, IN	daily rain	102.1 mm (4.0 in)	82.0 mm (3.2 in)	9 years	28 of 100 (Routine)
31 July 1931	Navapur, IN	daily rain	110.2 mm (4.3 in)	59.4 mm (2.3 in)	9 years	28 of 100 (Routine)
31 July 1931	Uman, UA	daily rain	40.4 mm (1.6 in)	12.0 mm (0.5 in)	39 years	28 of 100 (Routine)
31 July 1931	Napoleon, US	daily rain	30.0 mm (1.2 in)	23.6 mm (0.9 in)	10 years	28 of 100 (Routine)
31 July 1931	Estherville 4E, US	daily high max	40.0 C (104.0 F)	7.8 C (14.0 F)	20 years	27 of 100 (Routine)
31 July 1931	Amenia, US	daily rain	40.6 mm (1.6 in)	22.6 mm (0.9 in)	32 years	27 of 100 (Routine)
31 July 1931	Detroit Lakes 1 NNE, US	daily rain	35.6 mm (1.4 in)	26.7 mm (1.1 in)	13 years	26 of 100 (Routine)
31 July 1931	Rock Rapids, US	daily high max	38.9 C (102.0 F)	4.5 C (8.1 F)	36 years	25 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

1804 to 1931

Records set or tied on this calendar date in each year from 1804 to 1931. 1931 had 441 records.

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

Records on 07-31 in each year
Year	Records
1804	1
1815	1
1816	1
1828	1
1834	1
1839	1
1840	1
1841	2
1851	1
1858	2
1860	4
1863	1
1866	1
1873	2
1876	1
1879	1
1884	1
1885	1
1886	1
1887	5
1889	2
1890	2
1891	1
1892	1
1893	3
1894	2
1896	2
1897	2
1898	5
1900	1
1901	3
1902	4
1903	16
1904	12
1905	10
1906	14
1907	17
1908	22
1909	15
1910	21
1911	29
1912	14
1913	31
1914	28
1915	71
1916	63
1917	126
1918	39
1919	27
1920	168
1921	112
1922	24
1923	236
1924	97
1925	349
1926	226
1927	161
1928	145
1929	134
1930	143
1931	441
1932	314
1933	504
1934	449
1935	418
1936	548
1937	297
1938	417
1939	357
1940	415
1941	323
1942	342
1943	342
1944	312
1945	499
1946	426
1947	341
1948	341
1949	406
1950	511
1951	364
1952	472
1953	414
1954	459
1955	813
1956	574
1957	268
1958	374
1959	424
1960	622
1961	504
1962	348
1963	294
1964	637
1965	858
1966	606
1967	326
1968	637
1969	440
1970	576
1971	1,850
1972	667
1973	583
1974	363
1975	1,386
1976	530
1977	543
1978	754
1979	501
1980	1,047
1981	672
1982	767
1983	901
1984	777
1985	1,065
1986	1,021
1987	934
1988	940
1989	1,753
1990	911
1991	647
1992	1,169
1993	1,031
1994	1,207
1995	1,223
1996	1,084
1997	984
1998	1,195
1999	1,643
2000	1,001
2001	1,414
2002	1,080
2003	1,157
2004	779
2005	742
2006	1,405
2007	1,023
2008	911
2009	1,156
2010	1,485
2011	1,040
2012	712
2013	469
2014	1,000
2015	948
2016	501
2017	485
2018	1,135
2019	551
2020	1,034
2021	1,020
2022	861
2023	671
2024	748
2025	836
2026	754

Download the Data

Data for records on 1931-07-31: 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	308
20 to 40	20
40 to 60	7
60 to 80	3
80 to 100	1
100 to 120	1
120 to 140	0
140 to 160	1