Weather Records on 13 September 1971

708 weather records were set or tied worldwide on 13 September 1971. Highest significance: Philippi, US.

Key Facts for 13 September 1971

On 13 September 1971, 708 weather records were set or tied at long-record stations worldwide.
357 were record highs and 79 were record lows, counting maximum and minimum temperature.
By timescale, 12 were all-time records, 31 monthly and 665 daily.
Philippi set an all-time record daily precipitation of 144.0 mm (5.7 in) on 13 September 1971.
Across 162 earlier years (1793 to 2026) the same calendar date averaged 429 records.

Record Map

708 stations

708 station records on 13 September 1971 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 13 September 1971: highest significance records shown on the map
Station	Country	Type	Value	Significance
Philippi	United States	Record daily precipitation	144.0 mm (5.7 in)	69 of 100 (Major)
Acude Coremas	Brazil	Record daily precipitation	55.2 mm (2.2 in)	60 of 100 (Major)
Borovici	Russia	Record daily precipitation	47.9 mm (1.9 in)	60 of 100 (Major)
Valdaj	Russia	Record daily precipitation	43.1 mm (1.7 in)	58 of 100 (Notable)
Glenville	United States	Record daily precipitation	73.9 mm (2.9 in)	57 of 100 (Notable)
Pomona/Fairplex	United States	Record high minimum temperature	25.6 C (78.1 F)	55 of 100 (Notable)
Phoenixville 1 E	United States	Record daily precipitation	121.2 mm (4.8 in)	55 of 100 (Notable)
Biddenham	Australia	Record daily precipitation	37.1 mm (1.5 in)	54 of 100 (Notable)
Lagoa da Canoa	Brazil	Record daily precipitation	36.0 mm (1.4 in)	54 of 100 (Notable)
Sape	Brazil	Record daily precipitation	35.0 mm (1.4 in)	53 of 100 (Notable)
Pao de Acucar	Brazil	Record daily precipitation	32.0 mm (1.3 in)	53 of 100 (Notable)
Marcus Hook	United States	Record daily precipitation	204.0 mm (8.0 in)	53 of 100 (Notable)
Umari	Brazil	Record daily precipitation	35.1 mm (1.4 in)	52 of 100 (Notable)
Major Isidoro (Sertaozinho)	Brazil	Record daily precipitation	40.0 mm (1.6 in)	50 of 100 (Notable)
Laredo	United States	Record daily precipitation	131.3 mm (5.2 in)	50 of 100 (Notable)
Saltern Post Office	Australia	Record daily precipitation	31.8 mm (1.3 in)	49 of 100 (Notable)
Mitchell Post Office	Australia	Record daily precipitation	31.8 mm (1.3 in)	49 of 100 (Notable)
Nalcik	Russia	Record daily precipitation	66.2 mm (2.6 in)	49 of 100 (Notable)
Yarronvale	Australia	Record daily precipitation	36.8 mm (1.4 in)	48 of 100 (Notable)
Vysnij Volocek	Russia	Record daily precipitation	42.2 mm (1.7 in)	48 of 100 (Notable)
Atalaia	Brazil	Record daily precipitation	60.0 mm (2.4 in)	47 of 100 (Notable)
Wilmington Porter Rsch	United States	Record daily precipitation	162.6 mm (6.4 in)	47 of 100 (Notable)
Vitoria de Santo Antao	Brazil	Record daily precipitation	29.4 mm (1.2 in)	46 of 100 (Notable)
Johnstown	United States	Record daily precipitation	43.7 mm (1.7 in)	45 of 100 (Notable)
Ireland	United States	Record daily precipitation	93.2 mm (3.7 in)	45 of 100 (Notable)
Palmeiro Dos Indios	Brazil	Record daily precipitation	30.4 mm (1.2 in)	44 of 100 (Notable)
San Bernardino F S 226	United States	Record high maximum temperature	47.2 C (117.0 F)	44 of 100 (Notable)
Rowlesburg 1	United States	Record daily precipitation	72.4 mm (2.9 in)	44 of 100 (Notable)
Cape Leeuwin	Australia	Record daily precipitation	25.4 mm (1.0 in)	42 of 100 (Notable)
New Martinsville 4 NNE	United States	Record daily precipitation	51.1 mm (2.0 in)	42 of 100 (Notable)
Ekari Park	Australia	Record daily precipitation	36.3 mm (1.4 in)	40 of 100 (Notable)
Mungallala	Australia	Record daily precipitation	42.7 mm (1.7 in)	40 of 100 (Notable)
Clarion 3 SW	United States	Record daily precipitation	34.3 mm (1.4 in)	40 of 100 (Notable)
Olho Dagua	Brazil	Record daily precipitation	25.8 mm (1.0 in)	39 of 100 (Notable)
Hollister 1 SW	United States	Record high maximum temperature	43.3 C (109.9 F)	39 of 100 (Notable)
Santa Rosa	United States	Record high maximum temperature	43.3 C (109.9 F)	39 of 100 (Notable)
Bens Run 1 SSE	United States	Record daily precipitation	73.4 mm (2.9 in)	39 of 100 (Notable)
Grimsby	Canada	Record daily precipitation	35.6 mm (1.4 in)	38 of 100 (Notable)
Hvojnaja	Russia	Record daily precipitation	58.0 mm (2.3 in)	38 of 100 (Notable)
Healdsburg	United States	Record high maximum temperature	45.6 C (114.1 F)	38 of 100 (Notable)
Rio Grande City	United States	Record daily precipitation	95.5 mm (3.8 in)	38 of 100 (Notable)
Sutton Lake	United States	Record daily precipitation	87.1 mm (3.4 in)	38 of 100 (Notable)
Vandalia	United States	Record daily precipitation	110.2 mm (4.3 in)	38 of 100 (Notable)
Winston	Australia	Record daily precipitation	35.1 mm (1.4 in)	37 of 100 (Notable)
Junqueiro	Brazil	Record daily precipitation	32.3 mm (1.3 in)	37 of 100 (Notable)
Bishop AP	United States	Record high minimum temperature	18.3 C (64.9 F)	37 of 100 (Notable)
Arcadia	United States	Record daily precipitation	84.8 mm (3.3 in)	36 of 100 (Notable)
Enfield	United States	Record daily precipitation	88.9 mm (3.5 in)	36 of 100 (Notable)
Everett	United States	Record daily precipitation	51.6 mm (2.0 in)	36 of 100 (Notable)
Kentfield	United States	Record high maximum temperature	40.6 C (105.1 F)	35 of 100 (Notable)
Escada	Brazil	Record daily precipitation	69.7 mm (2.7 in)	34 of 100 (Routine)
Presa Rodriguez	Mexico	Record high maximum temperature	42.2 C (108.0 F)	34 of 100 (Routine)
Pasadena	United States	Record high minimum temperature	26.7 C (80.1 F)	34 of 100 (Routine)
Doylestown	United States	Record daily precipitation	98.0 mm (3.9 in)	34 of 100 (Routine)
Graterford	United States	Record daily precipitation	114.3 mm (4.5 in)	34 of 100 (Routine)
Independence	United States	Record high minimum temperature	22.2 C (72.0 F)	33 of 100 (Routine)
Warren 3 S	United States	Record daily precipitation	42.7 mm (1.7 in)	33 of 100 (Routine)
Creston	United States	Record daily precipitation	48.3 mm (1.9 in)	33 of 100 (Routine)
Wardensville R M Farm	United States	Record daily precipitation	54.9 mm (2.2 in)	33 of 100 (Routine)
Los Angeles Downtown/Usc	United States	Record high maximum temperature	41.1 C (106.0 F)	33 of 100 (Routine)

Counts by Type and Timescale

708 records

Records set or tied on 13 September 1971 by type: Highest daily maximum 204, Lowest daily maximum 57, Highest daily minimum 153, Lowest daily minimum 22, Heaviest daily rainfall 272.

Records on 13 September 1971 by type
Record type	Records
Highest daily maximum	204
Lowest daily maximum	57
Highest daily minimum	153
Lowest daily minimum	22
Heaviest daily rainfall	272
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 13 September 1971 by timescale: all-time 12, monthly 31, daily 665.

How Much Records Were Beaten By

574 broken records

Margins by which the 574 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 164.1. Ties are not counted.

Top 20 by Significance

13 September 1971

Top 20 records on 13 September 1971 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
13 September 1971	Philippi, US	all-time rain	144.0 mm (5.7 in)	43.7 mm (1.7 in)	14 years	69 of 100 (Major)
13 September 1971	Acude Coremas, BR	monthly rain	55.2 mm (2.2 in)	38.8 mm (1.5 in)	32 years	60 of 100 (Major)
13 September 1971	Borovici, RU	monthly rain	47.9 mm (1.9 in)	19.5 mm (0.8 in)	25 years	60 of 100 (Major)
13 September 1971	Valdaj, RU	daily rain	43.1 mm (1.7 in)	31.6 mm (1.2 in)	40 years	58 of 100 (Notable)
13 September 1971	Glenville, US	daily rain	73.9 mm (2.9 in)	45.7 mm (1.8 in)	32 years	57 of 100 (Notable)
13 September 1971	Pomona/Fairplex, US	all-time high min	25.6 C (78.1 F)	1.7 C (3.1 F)	77 years	55 of 100 (Notable)
13 September 1971	Phoenixville 1 E, US	daily rain	121.2 mm (4.8 in)	73.7 mm (2.9 in)	26 years	55 of 100 (Notable)
13 September 1971	Biddenham, AU	daily rain	37.1 mm (1.5 in)	32.0 mm (1.3 in)	79 years	54 of 100 (Notable)
13 September 1971	Lagoa da Canoa, BR	daily rain	36.0 mm (1.4 in)	23.0 mm (0.9 in)	44 years	54 of 100 (Notable)
13 September 1971	Sape, BR	daily rain	35.0 mm (1.4 in)	29.0 mm (1.1 in)	32 years	53 of 100 (Notable)
13 September 1971	Pao de Acucar, BR	daily rain	32.0 mm (1.3 in)	22.5 mm (0.9 in)	25 years	53 of 100 (Notable)
13 September 1971	Marcus Hook, US	daily rain	204.0 mm (8.0 in)	164.1 mm (6.5 in)	26 years	53 of 100 (Notable)
13 September 1971	Umari, BR	daily rain	35.1 mm (1.4 in)	26.6 mm (1.0 in)	45 years	52 of 100 (Notable)
13 September 1971	Major Isidoro (Sertaozinho), BR	daily rain	40.0 mm (1.6 in)	29.0 mm (1.1 in)	18 years	50 of 100 (Notable)
13 September 1971	Laredo, US	daily rain	131.3 mm (5.2 in)	101.3 mm (4.0 in)	9 years	50 of 100 (Notable)
13 September 1971	Saltern Post Office, AU	daily rain	31.8 mm (1.3 in)	28.8 mm (1.1 in)	60 years	49 of 100 (Notable)
13 September 1971	Mitchell Post Office, AU	daily rain	31.8 mm (1.3 in)	22.7 mm (0.9 in)	68 years	49 of 100 (Notable)
13 September 1971	Nalcik, RU	monthly rain	66.2 mm (2.6 in)	20.4 mm (0.8 in)	15 years	49 of 100 (Notable)
13 September 1971	Yarronvale, AU	daily rain	36.8 mm (1.4 in)	30.7 mm (1.2 in)	49 years	48 of 100 (Notable)
13 September 1971	Vysnij Volocek, RU	monthly rain	42.2 mm (1.7 in)	8.6 mm (0.34 in)	46 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

1793 to 1971

Records set or tied on this calendar date in each year from 1793 to 1971. 1971 had 708 records.

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

Records on 09-13 in each year
Year	Records
1793	1
1809	1
1814	1
1822	1
1835	1
1836	1
1839	1
1849	1
1850	2
1851	1
1856	1
1857	1
1859	1
1860	1
1864	1
1866	1
1867	2
1868	1
1872	3
1876	1
1878	1
1880	2
1882	2
1883	1
1886	1
1887	1
1888	1
1889	1
1891	1
1892	4
1893	2
1894	2
1895	1
1896	2
1897	3
1899	7
1900	3
1901	15
1902	30
1903	17
1904	8
1905	7
1906	23
1907	6
1908	11
1909	26
1910	11
1911	65
1912	23
1913	43
1914	42
1915	48
1916	19
1917	172
1918	33
1919	88
1920	48
1921	63
1922	124
1923	122
1924	65
1925	294
1926	76
1927	439
1928	253
1929	187
1930	284
1931	639
1932	171
1933	299
1934	187
1935	363
1936	519
1937	486
1938	382
1939	918
1940	841
1941	299
1942	287
1943	602
1944	361
1945	657
1946	423
1947	491
1948	472
1949	935
1950	657
1951	469
1952	569
1953	732
1954	291
1955	387
1956	332
1957	544
1958	578
1959	740
1960	660
1961	972
1962	378
1963	676
1964	645
1965	572
1966	501
1967	420
1968	239
1969	518
1970	1,216
1971	708
1972	396
1973	746
1974	965
1975	1,365
1976	411
1977	457
1978	796
1979	574
1980	648
1981	408
1982	1,004
1983	703
1984	646
1985	852
1986	741
1987	970
1988	902
1989	1,243
1990	1,187
1991	672
1992	580
1993	1,143
1994	667
1995	845
1996	1,117
1997	657
1998	1,654
1999	847
2000	856
2001	841
2002	879
2003	728
2004	743
2005	854
2006	1,076
2007	543
2008	1,508
2009	811
2010	827
2011	1,099
2012	526
2013	967
2014	1,291
2015	879
2016	1,093
2017	945
2018	636
2019	660
2020	591
2021	416
2022	668
2023	514
2024	818
2025	492
2026	905

Download the Data

Data for records on 1971-09-13: 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 2026-10-16 (16 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 25	538
25 to 50	29
50 to 75	5
75 to 100	0
100 to 125	1
125 to 150	0
150 to 175	1