Weather Records on 31 July 1971

1,850 weather records were set or tied worldwide on 31 July 1971. Highest significance: Ida, ZA.

Key Facts for 31 July 1971

On 31 July 1971, 1,850 weather records were set or tied at long-record stations worldwide.
230 were record highs and 1,063 were record lows, counting maximum and minimum temperature.
By timescale, 3 were all-time records, 102 monthly and 1,745 daily.
Ida set a monthly record daily precipitation of 80.0 mm (3.1 in) on 31 July 1971.
Across 155 earlier years (1804 to 2026) the same calendar date averaged 462 records.

Record Map

1,850 stations

1,850 station records on 31 July 1971 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 31 July 1971: highest significance records shown on the map
Station	Country	Type	Value	Significance
Ida	South Africa	Record daily precipitation	80.0 mm (3.1 in)	81 of 100 (Exceptional)
Collingrove	Australia	Record daily precipitation	39.6 mm (1.6 in)	69 of 100 (Major)
Angaston	Australia	Record daily precipitation	34.3 mm (1.4 in)	68 of 100 (Major)
Farrell Flat	Australia	Record daily precipitation	31.5 mm (1.2 in)	64 of 100 (Major)
Brady	United States	Record low maximum temperature	23.3 C (73.9 F)	58 of 100 (Notable)
Laura	Australia	Record daily precipitation	27.2 mm (1.1 in)	56 of 100 (Notable)
Meedo	Australia	Record daily precipitation	50.8 mm (2.0 in)	55 of 100 (Notable)
Tanunda	Australia	Record daily precipitation	30.7 mm (1.2 in)	54 of 100 (Notable)
Two Wells	Australia	Record daily precipitation	28.4 mm (1.1 in)	53 of 100 (Notable)
Gawler Council Depot	Australia	Record daily precipitation	30.7 mm (1.2 in)	53 of 100 (Notable)
Whiteriver 1 SW	United States	Record daily precipitation	42.7 mm (1.7 in)	52 of 100 (Notable)
Snowtown	Australia	Record daily precipitation	30.5 mm (1.2 in)	51 of 100 (Notable)
Whyte-Yarcowie (Gum Park)	Australia	Record daily precipitation	32.3 mm (1.3 in)	49 of 100 (Notable)
Mount Pleasant	Australia	Record daily precipitation	33.5 mm (1.3 in)	49 of 100 (Notable)
Leusi	Russia	Record daily precipitation	62.2 mm (2.4 in)	49 of 100 (Notable)
Pine Level 4 ESE	United States	Record daily precipitation	83.8 mm (3.3 in)	49 of 100 (Notable)
Alapaha Exp STN	United States	Record daily precipitation	67.8 mm (2.7 in)	49 of 100 (Notable)
Wills Pt	United States	Record low maximum temperature	24.4 C (75.9 F)	49 of 100 (Notable)
Mount Templeton (Glenalbyn)	Australia	Record daily precipitation	26.4 mm (1.0 in)	48 of 100 (Notable)
Keyneton	Australia	Record daily precipitation	41.9 mm (1.6 in)	48 of 100 (Notable)
Kieskamahoek (Pol)	South Africa	Record daily precipitation	37.5 mm (1.5 in)	48 of 100 (Notable)
Bulwer (Tnk)	South Africa	Record daily precipitation	27.5 mm (1.1 in)	48 of 100 (Notable)
Clare (Hill River)	Australia	Record daily precipitation	34.5 mm (1.4 in)	47 of 100 (Notable)
Dublin 2SE	United States	Record low maximum temperature	23.9 C (75.0 F)	47 of 100 (Notable)
Mintaro	Australia	Record daily precipitation	33.3 mm (1.3 in)	46 of 100 (Notable)
Hawker	Australia	Record daily precipitation	25.7 mm (1.0 in)	45 of 100 (Notable)
Thomas River (Sar)	South Africa	Record daily precipitation	26.0 mm (1.0 in)	45 of 100 (Notable)
Sonora	United States	Record low minimum temperature	14.4 C (57.9 F)	45 of 100 (Notable)
Brookhaven City	United States	Record low maximum temperature	24.4 C (75.9 F)	44 of 100 (Notable)
Jackson Exp STN	United States	Record low maximum temperature	21.1 C (70.0 F)	44 of 100 (Notable)
Gulnare	Australia	Record daily precipitation	26.2 mm (1.0 in)	43 of 100 (Notable)
Seymour 1 WSW	United States	Record low maximum temperature	18.3 C (64.9 F)	43 of 100 (Notable)
Ruston la Tech	United States	Record low maximum temperature	24.4 C (75.9 F)	43 of 100 (Notable)
Laurel	United States	Record daily precipitation	92.7 mm (3.6 in)	43 of 100 (Notable)
Rosedale	United States	Record low maximum temperature	22.2 C (72.0 F)	43 of 100 (Notable)
Muskogee	United States	Record low minimum temperature	9.4 C (48.9 F)	43 of 100 (Notable)
Bundaleer Forest Reserve	Australia	Record daily precipitation	27.2 mm (1.1 in)	42 of 100 (Notable)
Ben Lomond	South Africa	Record daily precipitation	33.0 mm (1.3 in)	42 of 100 (Notable)
Russellville	United States	Record low maximum temperature	18.9 C (66.0 F)	42 of 100 (Notable)
Charleston	United States	Record low maximum temperature	22.8 C (73.0 F)	42 of 100 (Notable)
Water Valley	United States	Record low maximum temperature	23.3 C (73.9 F)	42 of 100 (Notable)
Windsor	United States	Record low minimum temperature	8.9 C (48.0 F)	42 of 100 (Notable)
Durant	United States	Record low minimum temperature	13.3 C (55.9 F)	42 of 100 (Notable)
Marshall	United States	Record low maximum temperature	22.8 C (73.0 F)	42 of 100 (Notable)
Sterkstroom (Pol)	South Africa	Record daily precipitation	27.5 mm (1.1 in)	41 of 100 (Notable)
Mvenyane	South Africa	Record daily precipitation	27.0 mm (1.1 in)	41 of 100 (Notable)
Lawrence	United States	Record low minimum temperature	11.7 C (53.1 F)	41 of 100 (Notable)
Eastland	United States	Record low maximum temperature	23.3 C (73.9 F)	41 of 100 (Notable)
Gatesville	United States	Record low maximum temperature	25.0 C (77.0 F)	41 of 100 (Notable)
Graham	United States	Record low minimum temperature	13.3 C (55.9 F)	41 of 100 (Notable)
Wyloo	Australia	Record daily precipitation	25.7 mm (1.0 in)	40 of 100 (Notable)
Cookeys Plains	Australia	Record daily precipitation	27.4 mm (1.1 in)	40 of 100 (Notable)
Steynsburg	South Africa	Record daily precipitation	32.0 mm (1.3 in)	40 of 100 (Notable)
Helena	United States	Record low maximum temperature	22.8 C (73.0 F)	40 of 100 (Notable)
Warren 2 ENE	United States	Record low maximum temperature	23.9 C (75.0 F)	40 of 100 (Notable)
1 N McLeansboro	United States	Record low minimum temperature	7.2 C (45.0 F)	40 of 100 (Notable)
Scott	United States	Record low maximum temperature	22.2 C (72.0 F)	40 of 100 (Notable)
Defiance	United States	Record low maximum temperature	17.2 C (63.0 F)	40 of 100 (Notable)
Vinita 2 N	United States	Record low minimum temperature	7.2 C (45.0 F)	40 of 100 (Notable)
Brownwood 2NE	United States	Record low maximum temperature	25.0 C (77.0 F)	40 of 100 (Notable)

Counts by Type and Timescale

1,850 records

Records set or tied on 31 July 1971 by type: Highest daily maximum 127, Lowest daily maximum 454, Highest daily minimum 103, Lowest daily minimum 609, Heaviest daily rainfall 556, Deepest snow cover 1.

Records on 31 July 1971 by type
Record type	Records
Highest daily maximum	127
Lowest daily maximum	454
Highest daily minimum	103
Lowest daily minimum	609
Heaviest daily rainfall	556
Heaviest daily snowfall	0
Deepest snow cover	1

Records on 31 July 1971 by timescale: all-time 3, monthly 102, daily 1,745.

How Much Records Were Beaten By

1,528 broken records

Margins by which the 1,528 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 559.0. Ties are not counted.

Top 20 by Significance

31 July 1971

Top 20 records on 31 July 1971 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
31 July 1971	Ida, ZA	monthly rain	80.0 mm (3.1 in)	33.0 mm (1.3 in)	85 years	81 of 100 (Exceptional)
31 July 1971	Collingrove, AU	daily rain	39.6 mm (1.6 in)	22.8 mm (0.9 in)	76 years	69 of 100 (Major)
31 July 1971	Angaston, AU	daily rain	34.3 mm (1.4 in)	19.8 mm (0.8 in)	68 years	68 of 100 (Major)
31 July 1971	Farrell Flat, AU	daily rain	31.5 mm (1.2 in)	16.0 mm (0.6 in)	76 years	64 of 100 (Major)
31 July 1971	Brady, US	daily low max	23.3 C (73.9 F)	7.8 C (14.0 F)	76 years	58 of 100 (Notable)
31 July 1971	Laura, AU	daily rain	27.2 mm (1.1 in)	15.5 mm (0.6 in)	60 years	56 of 100 (Notable)
31 July 1971	Meedo, AU	daily rain	50.8 mm (2.0 in)	48.8 mm (1.9 in)	28 years	55 of 100 (Notable)
31 July 1971	Tanunda, AU	daily rain	30.7 mm (1.2 in)	12.2 mm (0.5 in)	72 years	54 of 100 (Notable)
31 July 1971	Two Wells, AU	daily rain	28.4 mm (1.1 in)	19.3 mm (0.8 in)	14 years	53 of 100 (Notable)
31 July 1971	Gawler Council Depot, AU	monthly rain	30.7 mm (1.2 in)	4.0 mm (0.16 in)	81 years	53 of 100 (Notable)
31 July 1971	Whiteriver 1 SW, US	daily rain	42.7 mm (1.7 in)	32.5 mm (1.3 in)	20 years	52 of 100 (Notable)
31 July 1971	Snowtown, AU	daily rain	30.5 mm (1.2 in)	19.8 mm (0.8 in)	6 years	51 of 100 (Notable)
31 July 1971	Whyte-Yarcowie (Gum Park), AU	daily rain	32.3 mm (1.3 in)	22.4 mm (0.9 in)	20 years	49 of 100 (Notable)
31 July 1971	Mount Pleasant, AU	daily rain	33.5 mm (1.3 in)	13.2 mm (0.5 in)	72 years	49 of 100 (Notable)
31 July 1971	Leusi, RU	daily rain	62.2 mm (2.4 in)	44.4 mm (1.7 in)	20 years	49 of 100 (Notable)
31 July 1971	Pine Level 4 ESE, US	daily rain	83.8 mm (3.3 in)	56.4 mm (2.2 in)	20 years	49 of 100 (Notable)
31 July 1971	Alapaha Exp STN, US	daily rain	67.8 mm (2.7 in)	43.2 mm (1.7 in)	24 years	49 of 100 (Notable)
31 July 1971	Wills Pt, US	daily low max	24.4 C (75.9 F)	8.4 C (15.1 F)	64 years	49 of 100 (Notable)
31 July 1971	Mount Templeton (Glenalbyn), AU	daily rain	26.4 mm (1.0 in)	10.4 mm (0.4 in)	49 years	48 of 100 (Notable)
31 July 1971	Keyneton, AU	daily rain	41.9 mm (1.6 in)	28.4 mm (1.1 in)	6 years	48 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

1804 to 1971

Records set or tied on this calendar date in each year from 1804 to 1971. 1971 had 1,850 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 1971-07-31: 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 2026-10-16. Last revised 16 October 2026 (2026-10-16).

Margin	Records
0 to 100	1,527
100 to 200	0
200 to 300	0
300 to 400	0
400 to 500	0
500 to 600	1