Weather Records on 28 August 1971

695 weather records were set or tied worldwide on 28 August 1971. Highest significance: Somerville 4 NW, US.

Key Facts for 28 August 1971

On 28 August 1971, 695 weather records were set or tied at long-record stations worldwide.
224 were record highs and 84 were record lows, counting maximum and minimum temperature.
By timescale, 14 were all-time records, 25 monthly and 656 daily.
Somerville 4 NW set an all-time record daily precipitation of 225.8 mm (8.9 in) on 28 August 1971.
Across 161 earlier years (1800 to 2026) the same calendar date averaged 455 records.

Record Map

695 stations

695 station records on 28 August 1971 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 28 August 1971: highest significance records shown on the map
Station	Country	Type	Value	Significance
Somerville 4 NW	United States	Record daily precipitation	225.8 mm (8.9 in)	85 of 100 (Exceptional)
Flemington 5 NNW	United States	Record daily precipitation	182.9 mm (7.2 in)	82 of 100 (Exceptional)
Little Falls	United States	Record daily precipitation	253.2 mm (10.0 in)	82 of 100 (Exceptional)
George School	United States	Record daily precipitation	216.2 mm (8.5 in)	72 of 100 (Major)
Hanover	United States	Record daily precipitation	68.1 mm (2.7 in)	71 of 100 (Major)
Belvidere	United States	Record daily precipitation	104.6 mm (4.1 in)	68 of 100 (Major)
Greenwood Lake	United States	Record daily precipitation	184.9 mm (7.3 in)	67 of 100 (Major)
Morris Plains 1 W	United States	Record daily precipitation	230.1 mm (9.1 in)	67 of 100 (Major)
Coatesville 1 SW	United States	Record daily precipitation	133.4 mm (5.3 in)	67 of 100 (Major)
W Chester 2 NW	United States	Record daily precipitation	133.4 mm (5.3 in)	67 of 100 (Major)
Canoe Brook	United States	Record daily precipitation	222.5 mm (8.8 in)	65 of 100 (Major)
Freehold-Marlboro	United States	Record daily precipitation	182.4 mm (7.2 in)	62 of 100 (Major)
Balmoral Station	Australia	Record daily precipitation	38.1 mm (1.5 in)	59 of 100 (Notable)
Pointe Au Pere	Canada	Record daily precipitation	70.9 mm (2.8 in)	59 of 100 (Notable)
Moorestown 4 E	United States	Record daily precipitation	177.8 mm (7.0 in)	59 of 100 (Notable)
South Egremont	United States	Record daily precipitation	102.6 mm (4.0 in)	58 of 100 (Notable)
Sussex 1 NW	United States	Record daily precipitation	160.8 mm (6.3 in)	58 of 100 (Notable)
Carmel	United States	Record daily precipitation	111.8 mm (4.4 in)	58 of 100 (Notable)
Tadoussac	Canada	Record daily precipitation	37.8 mm (1.5 in)	56 of 100 (Notable)
Canton	United States	Record daily precipitation	91.9 mm (3.6 in)	56 of 100 (Notable)
Mohonk Lake	United States	Record daily precipitation	128.0 mm (5.0 in)	56 of 100 (Notable)
Spier Falls	United States	Record daily precipitation	71.1 mm (2.8 in)	55 of 100 (Notable)
Mays Mill	United States	Record daily precipitation	73.7 mm (2.9 in)	55 of 100 (Notable)
Cap Chat	Canada	Record daily precipitation	63.8 mm (2.5 in)	54 of 100 (Notable)
Price	Canada	Record daily precipitation	77.2 mm (3.0 in)	54 of 100 (Notable)
Plainfield	United States	Record daily precipitation	109.2 mm (4.3 in)	54 of 100 (Notable)
Shelburne Falls	United States	Record daily precipitation	69.3 mm (2.7 in)	54 of 100 (Notable)
Graterford	United States	Record daily precipitation	122.4 mm (4.8 in)	54 of 100 (Notable)
Matamoras	United States	Record daily precipitation	111.3 mm (4.4 in)	54 of 100 (Notable)
Contendas Do Sincora	Brazil	Record daily precipitation	41.3 mm (1.6 in)	53 of 100 (Notable)
Falls Village	United States	Record daily precipitation	86.4 mm (3.4 in)	51 of 100 (Notable)
Boonton 1 SE	United States	Record daily precipitation	94.2 mm (3.7 in)	51 of 100 (Notable)
Amherst	United States	Record daily precipitation	52.3 mm (2.1 in)	50 of 100 (Notable)
Stockbridge	United States	Record daily precipitation	68.8 mm (2.7 in)	50 of 100 (Notable)
Burlington	United States	Record daily precipitation	114.3 mm (4.5 in)	49 of 100 (Notable)
Middletown 4 W	United States	Record daily precipitation	72.9 mm (2.9 in)	49 of 100 (Notable)
Norfolk 2 SW	United States	Record daily precipitation	83.3 mm (3.3 in)	49 of 100 (Notable)
Albany Intl AP	United States	Record daily precipitation	88.9 mm (3.5 in)	49 of 100 (Notable)
Newton	United States	Record daily precipitation	137.9 mm (5.4 in)	48 of 100 (Notable)
Huntingdon	Canada	Record daily precipitation	26.4 mm (1.0 in)	47 of 100 (Notable)
West Grove 1 SE	United States	Record daily precipitation	153.2 mm (6.0 in)	47 of 100 (Notable)
St Hyacinthe	Canada	Record daily precipitation	32.8 mm (1.3 in)	46 of 100 (Notable)
Twentynine Palms	United States	Record daily precipitation	30.5 mm (1.2 in)	46 of 100 (Notable)
Barkhamsted	United States	Record daily precipitation	83.8 mm (3.3 in)	46 of 100 (Notable)
Gloversville	United States	Record daily precipitation	66.0 mm (2.6 in)	46 of 100 (Notable)
Brome	Canada	Record daily precipitation	79.5 mm (3.1 in)	45 of 100 (Notable)
Hoosac Tunnel	United States	Record daily precipitation	66.0 mm (2.6 in)	45 of 100 (Notable)
W Otis	United States	Record daily precipitation	99.8 mm (3.9 in)	45 of 100 (Notable)
Charlotteburg Rsvr	United States	Record daily precipitation	185.9 mm (7.3 in)	45 of 100 (Notable)
Middletown 2 NW	United States	Record daily precipitation	108.7 mm (4.3 in)	45 of 100 (Notable)
Conshohocken	United States	Record daily precipitation	118.1 mm (4.6 in)	45 of 100 (Notable)
Santaquin Chlorinator	United States	Record daily precipitation	26.7 mm (1.1 in)	45 of 100 (Notable)
Cream Hill	United States	Record daily precipitation	52.1 mm (2.1 in)	44 of 100 (Notable)
Northville	United States	Record daily precipitation	62.2 mm (2.4 in)	44 of 100 (Notable)
Danbury	United States	Record daily precipitation	80.5 mm (3.2 in)	43 of 100 (Notable)
Denton 2 E	United States	Record daily precipitation	68.6 mm (2.7 in)	43 of 100 (Notable)
Fitzwilliam 2 W	United States	Record daily precipitation	63.5 mm (2.5 in)	43 of 100 (Notable)
Broadalbin	United States	Record daily precipitation	57.4 mm (2.3 in)	43 of 100 (Notable)
Vernon	United States	Record daily precipitation	47.8 mm (1.9 in)	43 of 100 (Notable)
Causapscal	Canada	Record daily precipitation	46.0 mm (1.8 in)	42 of 100 (Notable)

Counts by Type and Timescale

695 records

Records set or tied on 28 August 1971 by type: Highest daily maximum 102, Lowest daily maximum 44, Highest daily minimum 122, Lowest daily minimum 40, Heaviest daily rainfall 387.

Records on 28 August 1971 by type
Record type	Records
Highest daily maximum	102
Lowest daily maximum	44
Highest daily minimum	122
Lowest daily minimum	40
Heaviest daily rainfall	387
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 28 August 1971 by timescale: all-time 14, monthly 25, daily 656.

How Much Records Were Beaten By

589 broken records

Margins by which the 589 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 100.1. Ties are not counted.

Top 20 by Significance

28 August 1971

Top 20 records on 28 August 1971 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
28 August 1971	Somerville 4 NW, US	all-time rain	225.8 mm (8.9 in)	91.9 mm (3.6 in)	56 years	85 of 100 (Exceptional)
28 August 1971	Flemington 5 NNW, US	all-time rain	182.9 mm (7.2 in)	69.1 mm (2.7 in)	50 years	82 of 100 (Exceptional)
28 August 1971	Little Falls, US	all-time rain	253.2 mm (10.0 in)	60.2 mm (2.4 in)	67 years	82 of 100 (Exceptional)
28 August 1971	George School, US	all-time rain	216.2 mm (8.5 in)	83.9 mm (3.3 in)	21 years	72 of 100 (Major)
28 August 1971	Hanover, US	daily rain	68.1 mm (2.7 in)	43.2 mm (1.7 in)	79 years	71 of 100 (Major)
28 August 1971	Belvidere, US	daily rain	104.6 mm (4.1 in)	74.6 mm (2.9 in)	68 years	68 of 100 (Major)
28 August 1971	Greenwood Lake, US	all-time rain	184.9 mm (7.3 in)	70.3 mm (2.8 in)	16 years	67 of 100 (Major)
28 August 1971	Morris Plains 1 W, US	all-time rain	230.1 mm (9.1 in)	91.2 mm (3.6 in)	16 years	67 of 100 (Major)
28 August 1971	Coatesville 1 SW, US	daily rain	133.4 mm (5.3 in)	76.0 mm (3.0 in)	68 years	67 of 100 (Major)
28 August 1971	W Chester 2 NW, US	daily rain	133.4 mm (5.3 in)	82.1 mm (3.2 in)	68 years	67 of 100 (Major)
28 August 1971	Canoe Brook, US	all-time rain	222.5 mm (8.8 in)	88.9 mm (3.5 in)	4 years	65 of 100 (Major)
28 August 1971	Freehold-Marlboro, US	all-time rain	182.4 mm (7.2 in)	38.1 mm (1.5 in)	32 years	62 of 100 (Major)
28 August 1971	Balmoral Station, AU	daily rain	38.1 mm (1.5 in)	35.6 mm (1.4 in)	48 years	59 of 100 (Notable)
28 August 1971	Pointe Au Pere, CA	daily rain	70.9 mm (2.8 in)	35.8 mm (1.4 in)	36 years	59 of 100 (Notable)
28 August 1971	Moorestown 4 E, US	all-time rain	177.8 mm (7.0 in)	16.3 mm (0.6 in)	67 years	59 of 100 (Notable)
28 August 1971	South Egremont, US	daily rain	102.6 mm (4.0 in)	51.5 mm (2.0 in)	60 years	58 of 100 (Notable)
28 August 1971	Sussex 1 NW, US	monthly rain	160.8 mm (6.3 in)	29.5 mm (1.2 in)	78 years	58 of 100 (Notable)
28 August 1971	Carmel, US	daily rain	111.8 mm (4.4 in)	85.4 mm (3.4 in)	34 years	58 of 100 (Notable)
28 August 1971	Tadoussac, CA	daily rain	37.8 mm (1.5 in)	29.2 mm (1.1 in)	52 years	56 of 100 (Notable)
28 August 1971	Canton, US	daily rain	91.9 mm (3.6 in)	49.5 mm (1.9 in)	68 years	56 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

1800 to 1971

Records set or tied on this calendar date in each year from 1800 to 1971. 1971 had 695 records.

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

Records on 08-28 in each year
Year	Records
1800	1
1807	4
1811	1
1814	2
1817	1
1835	1
1849	1
1850	1
1851	1
1854	1
1856	1
1858	1
1863	1
1864	4
1865	3
1870	2
1873	1
1874	1
1875	1
1876	1
1877	2
1880	3
1881	4
1884	1
1885	2
1886	1
1887	1
1889	1
1890	4
1891	1
1892	2
1893	3
1894	2
1895	4
1896	9
1897	3
1901	12
1902	2
1903	16
1904	13
1905	23
1906	12
1907	2
1908	10
1909	20
1910	5
1911	34
1912	44
1913	17
1914	40
1915	43
1916	141
1917	49
1918	43
1919	39
1920	80
1921	47
1922	60
1923	79
1924	207
1925	165
1926	241
1927	239
1928	252
1929	162
1930	152
1931	306
1932	383
1933	376
1934	346
1935	545
1936	531
1937	545
1938	325
1939	296
1940	368
1941	485
1942	461
1943	366
1944	592
1945	368
1946	495
1947	288
1948	1,133
1949	442
1950	492
1951	694
1952	447
1953	762
1954	499
1955	413
1956	327
1957	545
1958	288
1959	552
1960	470
1961	371
1962	469
1963	464
1964	556
1965	635
1966	338
1967	701
1968	864
1969	1,089
1970	617
1971	695
1972	651
1973	1,211
1974	816
1975	507
1976	505
1977	757
1978	774
1979	838
1980	424
1981	1,120
1982	1,009
1983	748
1984	886
1985	528
1986	1,995
1987	1,260
1988	953
1989	911
1990	983
1991	968
1992	1,814
1993	1,061
1994	688
1995	954
1996	1,109
1997	1,082
1998	1,415
1999	905
2000	1,028
2001	1,042
2002	903
2003	792
2004	966
2005	731
2006	1,244
2007	788
2008	889
2009	928
2010	914
2011	1,748
2012	682
2013	693
2014	590
2015	660
2016	812
2017	1,060
2018	1,110
2019	943
2020	1,008
2021	459
2022	388
2023	899
2024	862
2025	871
2026	873

Download the Data

Data for records on 1971-08-28: 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	462
20 to 40	78
40 to 60	25
60 to 80	14
80 to 100	9
100 to 120	1