Weather Records on 1 August 1971

1,135 weather records were set or tied worldwide on 1 August 1971. Highest significance: Baltimore Customs House, US.

Key Facts for 1 August 1971

On 1 August 1971, 1,135 weather records were set or tied at long-record stations worldwide.
247 were record highs and 621 were record lows, counting maximum and minimum temperature.
By timescale, 3 were all-time records, 39 monthly and 1,093 daily.
Baltimore Customs House set a daily record precipitation of 155.2 mm (6.1 in) on 1 August 1971.
Across 164 earlier years (1797 to 2026) the same calendar date averaged 437 records.

Record Map

1,135 stations

1,135 station records on 1 August 1971 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 1 August 1971: highest significance records shown on the map
Station	Country	Type	Value	Significance
Baltimore Customs House	United States	Record daily precipitation	155.2 mm (6.1 in)	67 of 100 (Major)
Sao Jose de Mipibu	Brazil	Record daily precipitation	128.5 mm (5.1 in)	64 of 100 (Major)
Roscoe	United States	Record daily precipitation	157.5 mm (6.2 in)	61 of 100 (Major)
Rainier Paradise Rs	United States	Record snow depth	81.3 cm (32.0 in)	59 of 100 (Notable)
Pecos	United States	Record daily precipitation	47.0 mm (1.9 in)	54 of 100 (Notable)
Bethesdaweg (Sar)	South Africa	Record daily precipitation	28.0 mm (1.1 in)	53 of 100 (Notable)
Ellery Lake	United States	Record daily precipitation	25.9 mm (1.0 in)	53 of 100 (Notable)
Brackettville	United States	Record daily precipitation	53.3 mm (2.1 in)	50 of 100 (Notable)
El Paso de Iritu	Mexico	Record daily precipitation	96.8 mm (3.8 in)	44 of 100 (Notable)
Everglades	United States	Record low minimum temperature	18.3 C (64.9 F)	44 of 100 (Notable)
Mount Eba	Australia	Record daily precipitation	27.4 mm (1.1 in)	43 of 100 (Notable)
Newark Liberty Intl AP	United States	Record daily precipitation	42.4 mm (1.7 in)	43 of 100 (Notable)
Tavda	Russia	Record daily precipitation	40.7 mm (1.6 in)	42 of 100 (Notable)
Kaunas	Lithuania	Record high minimum temperature	21.2 C (70.2 F)	41 of 100 (Notable)
Mertzon	United States	Record daily precipitation	55.9 mm (2.2 in)	41 of 100 (Notable)
Maryville 2E	United States	Record low minimum temperature	5.6 C (42.1 F)	40 of 100 (Notable)
Marlin	United States	Record low maximum temperature	27.8 C (82.0 F)	40 of 100 (Notable)
Chariton 1 E	United States	Record low minimum temperature	5.6 C (42.1 F)	39 of 100 (Notable)
Ripley	United States	Record low minimum temperature	13.3 C (55.9 F)	39 of 100 (Notable)
Windsor	United States	Record low minimum temperature	8.9 C (48.0 F)	39 of 100 (Notable)
Big Wells 2W	United States	Record daily precipitation	68.8 mm (2.7 in)	39 of 100 (Notable)
Knapp 2 SW	United States	Record daily precipitation	48.3 mm (1.9 in)	39 of 100 (Notable)
Sugar Land	United States	Record low maximum temperature	29.4 C (84.9 F)	39 of 100 (Notable)
Hobbs	United States	Record daily precipitation	39.4 mm (1.6 in)	38 of 100 (Notable)
Seymour 3NW	United States	Record low maximum temperature	27.8 C (82.0 F)	38 of 100 (Notable)
Geneva	United States	Record low maximum temperature	28.3 C (82.9 F)	37 of 100 (Notable)
Bowie	United States	Record low maximum temperature	27.2 C (81.0 F)	37 of 100 (Notable)
Marlin	United States	Record low minimum temperature	18.3 C (64.9 F)	37 of 100 (Notable)
Wills Pt	United States	Record low minimum temperature	16.7 C (62.1 F)	37 of 100 (Notable)
Palestina (Smn)	Mexico	Record daily precipitation	41.9 mm (1.6 in)	36 of 100 (Notable)
Jasper 1 NNW	United States	Record daily precipitation	124.5 mm (4.9 in)	36 of 100 (Notable)
Booneville	United States	Record low minimum temperature	12.2 C (54.0 F)	36 of 100 (Notable)
Gran Quivira Natl Mon	United States	Record daily precipitation	47.0 mm (1.9 in)	36 of 100 (Notable)
Chapel Hill 2 W	United States	Record daily precipitation	47.0 mm (1.9 in)	36 of 100 (Notable)
Grapevine Dam	United States	Record low maximum temperature	28.9 C (84.0 F)	36 of 100 (Notable)
Abydos Woodstock	Australia	Record daily precipitation	32.0 mm (1.3 in)	35 of 100 (Notable)
Harvey Station	Canada	Record high minimum temperature	23.3 C (73.9 F)	35 of 100 (Notable)
Amite	United States	Record low maximum temperature	26.1 C (79.0 F)	35 of 100 (Notable)
Lamar 7N	United States	Record low maximum temperature	24.4 C (75.9 F)	35 of 100 (Notable)
Union City	United States	Record low maximum temperature	21.7 C (71.1 F)	35 of 100 (Notable)
Keremeos	Canada	Record high minimum temperature	21.1 C (70.0 F)	34 of 100 (Routine)
Farmerville	United States	Record low maximum temperature	28.9 C (84.0 F)	34 of 100 (Routine)
Caruthersville	United States	Record low maximum temperature	25.6 C (78.1 F)	34 of 100 (Routine)
Pauls Valley 4 WSW	United States	Record low maximum temperature	26.7 C (80.1 F)	34 of 100 (Routine)
Crockett	United States	Record low minimum temperature	16.7 C (62.1 F)	34 of 100 (Routine)
Wills Pt	United States	Record low maximum temperature	28.3 C (82.9 F)	34 of 100 (Routine)
Carabost State Forest 2	Australia	Record daily precipitation	47.0 mm (1.9 in)	33 of 100 (Routine)
Boissevain	Canada	Record low minimum temperature	5.0 C (41.0 F)	33 of 100 (Routine)
Hot Springs 1 NNE	United States	Record low maximum temperature	26.7 C (80.1 F)	33 of 100 (Routine)
Jeffersonville	United States	Record low minimum temperature	11.1 C (52.0 F)	33 of 100 (Routine)
Vincennes 4 E	United States	Record low minimum temperature	8.9 C (48.0 F)	33 of 100 (Routine)
Beowawe	United States	Record high maximum temperature	40.6 C (105.1 F)	33 of 100 (Routine)
Springer	United States	Record low minimum temperature	7.2 C (45.0 F)	33 of 100 (Routine)
Ponca City	United States	Record low minimum temperature	15.6 C (60.1 F)	33 of 100 (Routine)
Dillon	United States	Record daily precipitation	70.6 mm (2.8 in)	33 of 100 (Routine)
Gatesville	United States	Record low maximum temperature	28.3 C (82.9 F)	33 of 100 (Routine)
Vernon	United States	Record low maximum temperature	29.4 C (84.9 F)	33 of 100 (Routine)
Midland Odessa	United States	Record low maximum temperature	20.0 C (68.0 F)	33 of 100 (Routine)
Summerland Cda	Canada	Record high maximum temperature	37.8 C (100.0 F)	32 of 100 (Routine)
Kamloops	Canada	Record high minimum temperature	21.1 C (70.0 F)	32 of 100 (Routine)

Counts by Type and Timescale

1,135 records

Records set or tied on 1 August 1971 by type: Highest daily maximum 143, Lowest daily maximum 298, Highest daily minimum 104, Lowest daily minimum 323, Heaviest daily rainfall 266, Deepest snow cover 1.

Records on 1 August 1971 by type
Record type	Records
Highest daily maximum	143
Lowest daily maximum	298
Highest daily minimum	104
Lowest daily minimum	323
Heaviest daily rainfall	266
Heaviest daily snowfall	0
Deepest snow cover	1

Records on 1 August 1971 by timescale: all-time 3, monthly 39, daily 1,093.

How Much Records Were Beaten By

906 broken records

Margins by which the 906 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 407.0. Ties are not counted.

Top 20 by Significance

1 August 1971

Top 20 records on 1 August 1971 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
1 August 1971	Baltimore Customs House, US	daily rain	155.2 mm (6.1 in)	85.3 mm (3.4 in)	57 years	67 of 100 (Major)
1 August 1971	Sao Jose de Mipibu, BR	daily rain	128.5 mm (5.1 in)	86.1 mm (3.4 in)	60 years	64 of 100 (Major)
1 August 1971	Roscoe, US	monthly rain	157.5 mm (6.2 in)	58.4 mm (2.3 in)	29 years	61 of 100 (Major)
1 August 1971	Rainier Paradise Rs, US	monthly snow depth	81.3 cm (32.0 in)	40.7 cm (16.0 in)	16 years	59 of 100 (Notable)
1 August 1971	Pecos, US	daily rain	47.0 mm (1.9 in)	46.0 mm (1.8 in)	29 years	54 of 100 (Notable)
1 August 1971	Bethesdaweg (Sar), ZA	daily rain	28.0 mm (1.1 in)	28.0 mm (1.1 in)	70 years	53 of 100 (Notable)
1 August 1971	Ellery Lake, US	daily rain	25.9 mm (1.0 in)	21.1 mm (0.8 in)	45 years	53 of 100 (Notable)
1 August 1971	Brackettville, US	daily rain	53.3 mm (2.1 in)	38.1 mm (1.5 in)	64 years	50 of 100 (Notable)
1 August 1971	El Paso de Iritu, MX	monthly rain	96.8 mm (3.8 in)	39.9 mm (1.6 in)	5 years	44 of 100 (Notable)
1 August 1971	Everglades, US	daily low min	18.3 C (64.9 F)	3.4 C (6.1 F)	36 years	44 of 100 (Notable)
1 August 1971	Mount Eba, AU	monthly rain	27.4 mm (1.1 in)	8.3 mm (0.33 in)	35 years	43 of 100 (Notable)
1 August 1971	Newark Liberty Intl AP, US	daily rain	42.4 mm (1.7 in)	7.3 mm (0.29 in)	103 years	43 of 100 (Notable)
1 August 1971	Tavda, RU	daily rain	40.7 mm (1.6 in)	24.9 mm (1.0 in)	12 years	42 of 100 (Notable)
1 August 1971	Kaunas, LT	all-time high min	21.2 C (70.2 F)	1.1 C (2.0 F)	35 years	41 of 100 (Notable)
1 August 1971	Mertzon, US	daily rain	55.9 mm (2.2 in)	53.9 mm (2.1 in)	22 years	41 of 100 (Notable)
1 August 1971	Maryville 2E, US	daily low min	5.6 C (42.1 F)	4.4 C (7.9 F)	72 years	40 of 100 (Notable)
1 August 1971	Marlin, US	daily low max	27.8 C (82.0 F)	3.9 C (7.0 F)	68 years	40 of 100 (Notable)
1 August 1971	Chariton 1 E, US	daily low min	5.6 C (42.1 F)	4.4 C (7.9 F)	72 years	39 of 100 (Notable)
1 August 1971	Ripley, US	daily low min	13.3 C (55.9 F)	3.4 C (6.1 F)	66 years	39 of 100 (Notable)
1 August 1971	Windsor, US	daily low min	8.9 C (48.0 F)	3.3 C (5.9 F)	75 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

1797 to 1971

Records set or tied on this calendar date in each year from 1797 to 1971. 1971 had 1,135 records.

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

Records on 08-01 in each year
Year	Records
1797	1
1816	2
1829	1
1833	1
1834	2
1836	1
1838	1
1842	1
1851	1
1856	1
1858	3
1859	1
1861	1
1862	1
1863	1
1865	1
1868	1
1869	2
1873	1
1874	1
1875	3
1876	1
1878	1
1879	1
1881	3
1883	1
1886	2
1887	1
1890	1
1891	7
1892	4
1893	3
1894	1
1895	3
1896	4
1897	2
1898	3
1899	1
1900	1
1901	3
1902	5
1903	19
1904	10
1905	12
1906	18
1907	13
1908	18
1909	15
1910	30
1911	46
1912	49
1913	25
1914	17
1915	49
1916	16
1917	108
1918	55
1919	32
1920	101
1921	87
1922	44
1923	203
1924	93
1925	281
1926	252
1927	266
1928	132
1929	161
1930	252
1931	362
1932	408
1933	487
1934	448
1935	547
1936	636
1937	492
1938	523
1939	335
1940	333
1941	341
1942	388
1943	398
1944	410
1945	975
1946	336
1947	401
1948	354
1949	324
1950	552
1951	420
1952	391
1953	565
1954	462
1955	796
1956	441
1957	270
1958	389
1959	352
1960	677
1961	404
1962	602
1963	270
1964	883
1965	669
1966	383
1967	250
1968	625
1969	453
1970	482
1971	1,135
1972	609
1973	766
1974	526
1975	915
1976	886
1977	636
1978	706
1979	580
1980	906
1981	668
1982	742
1983	931
1984	532
1985	987
1986	846
1987	999
1988	880
1989	1,301
1990	927
1991	740
1992	1,024
1993	907
1994	1,217
1995	1,513
1996	1,118
1997	904
1998	1,281
1999	1,707
2000	1,020
2001	1,079
2002	1,249
2003	1,155
2004	740
2005	878
2006	1,655
2007	746
2008	795
2009	932
2010	1,182
2011	1,191
2012	850
2013	542
2014	853
2015	864
2016	499
2017	758
2018	987
2019	479
2020	838
2021	1,009
2022	915
2023	627
2024	879
2025	785
2026	1,085

Download the Data

Data for records on 1971-08-01: 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).

Histogram of margins by which records were beaten on 1 August 1971
Margin	Records
0 to 100	905
100 to 200	0
200 to 300	0
300 to 400	0
400 to 500	1