Weather Records on 14 August 1971

677 weather records were set or tied worldwide on 14 August 1971. Highest significance: Arcturus Downs, AU.

Key Facts for 14 August 1971

On 14 August 1971, 677 weather records were set or tied at long-record stations worldwide.
165 were record highs and 145 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 5 monthly and 671 daily.
Arcturus Downs set a daily record precipitation of 41.1 mm (1.6 in) on 14 August 1971.
Across 166 earlier years (1793 to 2026) the same calendar date averaged 461 records.

Record Map

677 stations

677 station records on 14 August 1971 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 14 August 1971: highest significance records shown on the map
Station	Country	Type	Value	Significance
Arcturus Downs	Australia	Record daily precipitation	41.1 mm (1.6 in)	64 of 100 (Major)
Mellenbye	Australia	Record daily precipitation	34.3 mm (1.4 in)	61 of 100 (Major)
Muenster	United States	Record daily precipitation	168.9 mm (6.6 in)	59 of 100 (Notable)
Grandfalls 3SSE	United States	Record daily precipitation	58.7 mm (2.3 in)	56 of 100 (Notable)
Sulphur Springs	United States	Record daily precipitation	72.6 mm (2.9 in)	56 of 100 (Notable)
Tamala	Australia	Record daily precipitation	48.3 mm (1.9 in)	54 of 100 (Notable)
Pittsville	United States	Record daily precipitation	71.1 mm (2.8 in)	51 of 100 (Notable)
Adelaide (Salisbury Bowling Cl	Australia	Record daily precipitation	26.7 mm (1.1 in)	50 of 100 (Notable)
Geham State School	Australia	Record daily precipitation	38.6 mm (1.5 in)	50 of 100 (Notable)
Madill	United States	Record daily precipitation	84.1 mm (3.3 in)	49 of 100 (Notable)
Lawton	United States	Record daily precipitation	68.8 mm (2.7 in)	48 of 100 (Notable)
Doorawarrah	Australia	Record daily precipitation	30.0 mm (1.2 in)	46 of 100 (Notable)
Memooloo	Australia	Record daily precipitation	44.7 mm (1.8 in)	46 of 100 (Notable)
Tishomingo Natl Wr	United States	Record daily precipitation	85.9 mm (3.4 in)	46 of 100 (Notable)
Everglades	United States	Record low maximum temperature	26.7 C (80.1 F)	45 of 100 (Notable)
Reedsburg Wwtp	United States	Record daily precipitation	72.6 mm (2.9 in)	43 of 100 (Notable)
Walterhall	Australia	Record daily precipitation	27.4 mm (1.1 in)	42 of 100 (Notable)
Henderson	United States	Record daily precipitation	108.0 mm (4.3 in)	42 of 100 (Notable)
Geraldton Town	Australia	Record daily precipitation	41.9 mm (1.6 in)	39 of 100 (Notable)
Causapscal	Canada	Record daily precipitation	58.7 mm (2.3 in)	39 of 100 (Notable)
Neillsville 3ESE	United States	Record daily precipitation	54.6 mm (2.1 in)	39 of 100 (Notable)
Coromandel Valley (Branden)	Australia	Record daily precipitation	30.2 mm (1.2 in)	38 of 100 (Notable)
Meadows	Australia	Record daily precipitation	27.2 mm (1.1 in)	38 of 100 (Notable)
Booyal Central State School	Australia	Record daily precipitation	29.7 mm (1.2 in)	37 of 100 (Notable)
Palestina (Smn)	Mexico	Record daily precipitation	82.8 mm (3.3 in)	37 of 100 (Notable)
Anadarko 3 E	United States	Record daily precipitation	75.2 mm (3.0 in)	37 of 100 (Notable)
Marshfield Exp Farm	United States	Record daily precipitation	42.9 mm (1.7 in)	37 of 100 (Notable)
Mather 3 NW	United States	Record daily precipitation	49.0 mm (1.9 in)	37 of 100 (Notable)
Boerne	United States	Record daily precipitation	94.5 mm (3.7 in)	36 of 100 (Notable)
Sabinal	United States	Record daily precipitation	101.6 mm (4.0 in)	36 of 100 (Notable)
Baraboo Wwtp	United States	Record daily precipitation	49.8 mm (2.0 in)	36 of 100 (Notable)
Brisbane Regional Office	Australia	Record low maximum temperature	14.7 C (58.5 F)	35 of 100 (Notable)
Ft Madison	United States	Record daily precipitation	41.9 mm (1.6 in)	35 of 100 (Notable)
Fort Nelson A	Canada	Record daily precipitation	28.7 mm (1.1 in)	34 of 100 (Routine)
Apache	United States	Record daily precipitation	43.4 mm (1.7 in)	34 of 100 (Routine)
Riverside 7 SSW	United States	Record high minimum temperature	18.9 C (66.0 F)	34 of 100 (Routine)
Hondo	United States	Record low maximum temperature	26.7 C (80.1 F)	34 of 100 (Routine)
Carrarang	Australia	Record daily precipitation	47.0 mm (1.9 in)	33 of 100 (Routine)
Simferopol	Ukraine	Record high minimum temperature	21.0 C (69.8 F)	33 of 100 (Routine)
Hannibal Wtr Wks	United States	Record daily precipitation	52.3 mm (2.1 in)	33 of 100 (Routine)
Hatfield	United States	Record daily precipitation	41.9 mm (1.6 in)	33 of 100 (Routine)
Watertown Wwtp	United States	Record daily precipitation	37.8 mm (1.5 in)	33 of 100 (Routine)
Ft Grant	United States	Record low minimum temperature	14.4 C (57.9 F)	32 of 100 (Routine)
Ardmore	United States	Record daily precipitation	35.8 mm (1.4 in)	32 of 100 (Routine)
Medford	United States	Record daily precipitation	53.3 mm (2.1 in)	32 of 100 (Routine)
Sparta	United States	Record daily precipitation	41.9 mm (1.6 in)	32 of 100 (Routine)
Adelaide (Pooraka)	Australia	Record daily precipitation	26.2 mm (1.0 in)	31 of 100 (Routine)
Sable Island	Canada	Record low minimum temperature	6.7 C (44.1 F)	31 of 100 (Routine)
Dilley	United States	Record daily precipitation	26.9 mm (1.1 in)	31 of 100 (Routine)
Mertzon	United States	Record daily precipitation	55.9 mm (2.2 in)	31 of 100 (Routine)
Virginia City	United States	Record high minimum temperature	13.9 C (57.0 F)	30 of 100 (Routine)
Denison Dam	United States	Record daily precipitation	50.3 mm (2.0 in)	30 of 100 (Routine)
Olney 5 NNW	United States	Record daily precipitation	44.5 mm (1.8 in)	30 of 100 (Routine)
Tahoka	United States	Record low maximum temperature	26.1 C (79.0 F)	30 of 100 (Routine)
Maniwaki 2	Canada	Record daily precipitation	45.0 mm (1.8 in)	29 of 100 (Routine)
Barrage Mattawin	Canada	Record daily precipitation	35.8 mm (1.4 in)	29 of 100 (Routine)
San Jose del Cabo	Mexico	Record low minimum temperature	16.7 C (62.1 F)	29 of 100 (Routine)
Celina	Russia	Record high minimum temperature	24.1 C (75.4 F)	29 of 100 (Routine)
Powell	United States	Record high maximum temperature	36.7 C (98.1 F)	29 of 100 (Routine)
Tewantin Post Office	Australia	Record low maximum temperature	17.7 C (63.9 F)	28 of 100 (Routine)

Counts by Type and Timescale

677 records

Records set or tied on 14 August 1971 by type: Highest daily maximum 107, Lowest daily maximum 115, Highest daily minimum 58, Lowest daily minimum 30, Heaviest daily rainfall 366, Heaviest daily snowfall 1.

Records on 14 August 1971 by type
Record type	Records
Highest daily maximum	107
Lowest daily maximum	115
Highest daily minimum	58
Lowest daily minimum	30
Heaviest daily rainfall	366
Heaviest daily snowfall	1
Deepest snow cover	0

Records on 14 August 1971 by timescale: all-time 1, monthly 5, daily 671.

How Much Records Were Beaten By

571 broken records

Margins by which the 571 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 87.4. Ties are not counted.

Top 20 by Significance

14 August 1971

Top 20 records on 14 August 1971 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
14 August 1971	Arcturus Downs, AU	daily rain	41.1 mm (1.6 in)	35.3 mm (1.4 in)	70 years	64 of 100 (Major)
14 August 1971	Mellenbye, AU	daily rain	34.3 mm (1.4 in)	26.4 mm (1.0 in)	50 years	61 of 100 (Major)
14 August 1971	Muenster, US	monthly rain	168.9 mm (6.6 in)	87.4 mm (3.4 in)	20 years	59 of 100 (Notable)
14 August 1971	Grandfalls 3SSE, US	daily rain	58.7 mm (2.3 in)	43.5 mm (1.7 in)	41 years	56 of 100 (Notable)
14 August 1971	Sulphur Springs, US	daily rain	72.6 mm (2.9 in)	54.8 mm (2.2 in)	48 years	56 of 100 (Notable)
14 August 1971	Tamala, AU	daily rain	48.3 mm (1.9 in)	28.7 mm (1.1 in)	25 years	54 of 100 (Notable)
14 August 1971	Pittsville, US	daily rain	71.1 mm (2.8 in)	60.4 mm (2.4 in)	26 years	51 of 100 (Notable)
14 August 1971	Adelaide (Salisbury Bowling Cl, AU	daily rain	26.7 mm (1.1 in)	8.9 mm (0.35 in)	80 years	50 of 100 (Notable)
14 August 1971	Geham State School, AU	daily rain	38.6 mm (1.5 in)	35.3 mm (1.4 in)	33 years	50 of 100 (Notable)
14 August 1971	Madill, US	daily rain	84.1 mm (3.3 in)	73.2 mm (2.9 in)	21 years	49 of 100 (Notable)
14 August 1971	Lawton, US	daily rain	68.8 mm (2.7 in)	53.3 mm (2.1 in)	24 years	48 of 100 (Notable)
14 August 1971	Doorawarrah, AU	daily rain	30.0 mm (1.2 in)	19.8 mm (0.8 in)	41 years	46 of 100 (Notable)
14 August 1971	Memooloo, AU	daily rain	44.7 mm (1.8 in)	41.9 mm (1.6 in)	8 years	46 of 100 (Notable)
14 August 1971	Tishomingo Natl Wr, US	daily rain	85.9 mm (3.4 in)	62.8 mm (2.5 in)	2 years	46 of 100 (Notable)
14 August 1971	Everglades, US	daily low max	26.7 C (80.1 F)	3.9 C (7.0 F)	42 years	45 of 100 (Notable)
14 August 1971	Reedsburg Wwtp, US	daily rain	72.6 mm (2.9 in)	41.4 mm (1.6 in)	25 years	43 of 100 (Notable)
14 August 1971	Walterhall, AU	daily rain	27.4 mm (1.1 in)	13.4 mm (0.5 in)	70 years	42 of 100 (Notable)
14 August 1971	Henderson, US	daily rain	108.0 mm (4.3 in)	43.0 mm (1.7 in)	37 years	42 of 100 (Notable)
14 August 1971	Geraldton Town, AU	daily rain	41.9 mm (1.6 in)	17.3 mm (0.7 in)	25 years	39 of 100 (Notable)
14 August 1971	Causapscal, CA	daily rain	58.7 mm (2.3 in)	19.6 mm (0.8 in)	44 years	39 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

1793 to 1971

Records set or tied on this calendar date in each year from 1793 to 1971. 1971 had 677 records.

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

Records on 08-14 in each year
Year	Records
1793	2
1807	1
1815	1
1818	1
1825	1
1833	2
1839	1
1841	1
1843	1
1845	2
1856	2
1857	1
1859	1
1861	1
1864	3
1865	1
1866	2
1868	1
1870	1
1871	1
1872	1
1873	1
1874	1
1876	4
1882	1
1884	1
1885	3
1886	1
1887	3
1889	2
1890	1
1891	1
1892	3
1893	2
1894	2
1895	3
1896	5
1897	5
1898	2
1899	2
1900	1
1901	1
1902	8
1903	8
1904	3
1905	10
1906	8
1907	6
1908	28
1909	35
1910	10
1911	30
1912	56
1913	24
1914	16
1915	17
1916	109
1917	38
1918	60
1919	103
1920	56
1921	61
1922	54
1923	92
1924	319
1925	128
1926	182
1927	147
1928	233
1929	449
1930	627
1931	410
1932	314
1933	349
1934	470
1935	314
1936	612
1937	354
1938	519
1939	376
1940	489
1941	467
1942	364
1943	583
1944	709
1945	572
1946	511
1947	658
1948	373
1949	374
1950	402
1951	458
1952	560
1953	312
1954	457
1955	535
1956	426
1957	281
1958	421
1959	495
1960	414
1961	663
1962	885
1963	811
1964	1,394
1965	451
1966	388
1967	902
1968	1,315
1969	482
1970	398
1971	677
1972	552
1973	489
1974	542
1975	461
1976	1,060
1977	562
1978	834
1979	1,115
1980	544
1981	719
1982	539
1983	775
1984	598
1985	1,095
1986	775
1987	1,157
1988	1,301
1989	728
1990	737
1991	856
1992	1,709
1993	887
1994	1,149
1995	1,444
1996	954
1997	922
1998	1,100
1999	1,329
2000	1,117
2001	806
2002	1,576
2003	1,913
2004	1,936
2005	1,340
2006	1,073
2007	1,340
2008	798
2009	818
2010	1,704
2011	772
2012	758
2013	612
2014	651
2015	931
2016	824
2017	559
2018	397
2019	578
2020	1,009
2021	932
2022	771
2023	1,116
2024	1,045
2025	798
2026	1,211

Download the Data

Data for records on 1971-08-14: 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 20	529
20 to 40	26
40 to 60	11
60 to 80	4
80 to 100	1