Weather Records on 27 August 1974

722 weather records were set or tied worldwide on 27 August 1974. Highest significance: Jamberoo (Lorna), AU.

Key Facts for 27 August 1974

On 27 August 1974, 722 weather records were set or tied at long-record stations worldwide.
129 were record highs and 83 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 35 monthly and 686 daily.
Jamberoo (Lorna) set a monthly record daily precipitation of 249.0 mm (9.8 in) on 27 August 1974.
Across 165 earlier years (1807 to 2026) the same calendar date averaged 436 records.

Record Map

722 stations

722 station records on 27 August 1974 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 27 August 1974: highest significance records shown on the map
Station	Country	Type	Value	Significance
Jamberoo (Lorna)	Australia	Record daily precipitation	249.0 mm (9.8 in)	80 of 100 (Exceptional)
Braidwood (Krawarree)	Australia	Record daily precipitation	153.4 mm (6.0 in)	76 of 100 (Major)
Gudgenby	Australia	Record daily precipitation	80.6 mm (3.2 in)	76 of 100 (Major)
Burnet	United States	Record daily precipitation	177.3 mm (7.0 in)	74 of 100 (Major)
Mittagong (Beatrice Street)	Australia	Record daily precipitation	78.1 mm (3.1 in)	72 of 100 (Major)
Myrniong	Australia	Record daily precipitation	42.0 mm (1.7 in)	71 of 100 (Major)
Bonshaw (Campbell St)	Australia	Record daily precipitation	69.2 mm (2.7 in)	67 of 100 (Major)
Bettowynd (Condry)	Australia	Record daily precipitation	121.8 mm (4.8 in)	66 of 100 (Major)
Batemans Bay Post Office	Australia	Record daily precipitation	98.0 mm (3.9 in)	64 of 100 (Major)
Berry Masonic Village	Australia	Record daily precipitation	214.8 mm (8.5 in)	63 of 100 (Major)
Lower Boro (Calderwood)	Australia	Record daily precipitation	80.8 mm (3.2 in)	63 of 100 (Major)
Picton Council Depot	Australia	Record daily precipitation	47.6 mm (1.9 in)	62 of 100 (Major)
Durdidwarrah	Australia	Record daily precipitation	39.0 mm (1.5 in)	61 of 100 (Major)
Yalwal	Australia	Record daily precipitation	190.0 mm (7.5 in)	60 of 100 (Major)
Milton Post Office	Australia	Record daily precipitation	84.0 mm (3.3 in)	60 of 100 (Major)
Randwick Bowling Club	Australia	Record daily precipitation	112.8 mm (4.4 in)	59 of 100 (Notable)
Captains Flat (Foxlow St)	Australia	Record daily precipitation	125.4 mm (4.9 in)	59 of 100 (Notable)
Miranda (Blackwood St)	Australia	Record daily precipitation	117.4 mm (4.6 in)	58 of 100 (Notable)
Albion Park Post Office	Australia	Record daily precipitation	157.2 mm (6.2 in)	55 of 100 (Notable)
Darkes Forest (Kintyre)	Australia	Record daily precipitation	126.0 mm (5.0 in)	55 of 100 (Notable)
Woonona (Popes Rd)	Australia	Record daily precipitation	140.6 mm (5.5 in)	55 of 100 (Notable)
Nerriga Composite	Australia	Record daily precipitation	119.0 mm (4.7 in)	55 of 100 (Notable)
Schriever	United States	Record daily precipitation	132.1 mm (5.2 in)	55 of 100 (Notable)
Ballan	Australia	Record daily precipitation	33.4 mm (1.3 in)	54 of 100 (Notable)
Meredith (Darra)	Australia	Record daily precipitation	27.0 mm (1.1 in)	54 of 100 (Notable)
Sydney Botanic Gardens	Australia	Record daily precipitation	84.2 mm (3.3 in)	52 of 100 (Notable)
Budapest	Hungary	Record daily precipitation	42.6 mm (1.7 in)	52 of 100 (Notable)
Mossman Central Mill	Australia	Record daily precipitation	38.6 mm (1.5 in)	51 of 100 (Notable)
Jondaryan Post Office	Australia	Record daily precipitation	57.0 mm (2.2 in)	51 of 100 (Notable)
Mount Fairy (Merigan)	Australia	Record daily precipitation	60.6 mm (2.4 in)	51 of 100 (Notable)
Clifton (Coalcliff)	Australia	Record daily precipitation	138.5 mm (5.5 in)	50 of 100 (Notable)
Moruya Heads Pilot Station	Australia	Record daily precipitation	89.8 mm (3.5 in)	50 of 100 (Notable)
Bodalla Post Office	Australia	Record daily precipitation	78.8 mm (3.1 in)	50 of 100 (Notable)
Carnegie 5 NE	United States	Record daily precipitation	58.9 mm (2.3 in)	50 of 100 (Notable)
Texas Post Office	Australia	Record daily precipitation	51.0 mm (2.0 in)	49 of 100 (Notable)
Wellingrove (Wangalea)	Australia	Record daily precipitation	38.6 mm (1.5 in)	49 of 100 (Notable)
Sydney (Observatory Hill)	Australia	Record daily precipitation	87.0 mm (3.4 in)	49 of 100 (Notable)
Braidwood (Wallace Street)	Australia	Record daily precipitation	79.0 mm (3.1 in)	49 of 100 (Notable)
Bungendore (Gidleigh)	Australia	Record daily precipitation	73.0 mm (2.9 in)	49 of 100 (Notable)
Mosman (Bapaume Road)	Australia	Record daily precipitation	94.8 mm (3.7 in)	48 of 100 (Notable)
Dapto West (Stane Dykes)	Australia	Record daily precipitation	178.0 mm (7.0 in)	48 of 100 (Notable)
Harrison 1 NNW	United States	Record daily precipitation	64.3 mm (2.5 in)	48 of 100 (Notable)
Coolesha	Australia	Record daily precipitation	32.0 mm (1.3 in)	47 of 100 (Notable)
Quipolly Creek Post Office	Australia	Record daily precipitation	39.6 mm (1.6 in)	47 of 100 (Notable)
Camden Bowling Club	Australia	Record daily precipitation	38.0 mm (1.5 in)	47 of 100 (Notable)
Canberra Airport Comparison	Australia	Record daily precipitation	42.0 mm (1.7 in)	47 of 100 (Notable)
Marlow 1 WSW	United States	Record daily precipitation	53.8 mm (2.1 in)	47 of 100 (Notable)
Buckingham	United States	Record daily precipitation	57.7 mm (2.3 in)	47 of 100 (Notable)
Mossman Post Office	Australia	Record daily precipitation	36.0 mm (1.4 in)	46 of 100 (Notable)
Portageville 1N	United States	Record daily precipitation	36.8 mm (1.4 in)	46 of 100 (Notable)
Burleson 2 SSW	United States	Record daily precipitation	102.6 mm (4.0 in)	46 of 100 (Notable)
Russell Island	Australia	Record daily precipitation	52.4 mm (2.1 in)	45 of 100 (Notable)
Mullumbimby (Fairview Farm)	Australia	Record daily precipitation	118.0 mm (4.6 in)	45 of 100 (Notable)
Seal Rocks Camping Reserve	Australia	Record daily precipitation	80.0 mm (3.1 in)	45 of 100 (Notable)
Bungonia (Inverary Park)	Australia	Record daily precipitation	45.4 mm (1.8 in)	45 of 100 (Notable)
Kempten	Germany	Record daily precipitation	50.1 mm (2.0 in)	45 of 100 (Notable)
Marietta 5SW	United States	Record daily precipitation	116.1 mm (4.6 in)	45 of 100 (Notable)
Rainbow	United States	Record daily precipitation	52.8 mm (2.1 in)	45 of 100 (Notable)
Wollstonecraft	Australia	Record daily precipitation	74.2 mm (2.9 in)	44 of 100 (Notable)
Vaucluse	Australia	Record daily precipitation	67.0 mm (2.6 in)	44 of 100 (Notable)

Counts by Type and Timescale

722 records

Records set or tied on 27 August 1974 by type: Highest daily maximum 56, Lowest daily maximum 44, Highest daily minimum 73, Lowest daily minimum 39, Heaviest daily rainfall 510.

Records on 27 August 1974 by type
Record type	Records
Highest daily maximum	56
Lowest daily maximum	44
Highest daily minimum	73
Lowest daily minimum	39
Heaviest daily rainfall	510
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 27 August 1974 by timescale: all-time 1, monthly 35, daily 686.

How Much Records Were Beaten By

631 broken records

Margins by which the 631 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 137.6. Ties are not counted.

Top 20 by Significance

27 August 1974

Top 20 records on 27 August 1974 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
27 August 1974	Jamberoo (Lorna), AU	monthly rain	249.0 mm (9.8 in)	127.1 mm (5.0 in)	73 years	80 of 100 (Exceptional)
27 August 1974	Braidwood (Krawarree), AU	monthly rain	153.4 mm (6.0 in)	62.0 mm (2.4 in)	66 years	76 of 100 (Major)
27 August 1974	Gudgenby, AU	monthly rain	80.6 mm (3.2 in)	27.5 mm (1.1 in)	87 years	76 of 100 (Major)
27 August 1974	Burnet, US	monthly rain	177.3 mm (7.0 in)	99.8 mm (3.9 in)	54 years	74 of 100 (Major)
27 August 1974	Mittagong (Beatrice Street), AU	daily rain	78.1 mm (3.1 in)	56.5 mm (2.2 in)	82 years	72 of 100 (Major)
27 August 1974	Myrniong, AU	daily rain	42.0 mm (1.7 in)	28.0 mm (1.1 in)	78 years	71 of 100 (Major)
27 August 1974	Bonshaw (Campbell St), AU	monthly rain	69.2 mm (2.7 in)	22.2 mm (0.9 in)	83 years	67 of 100 (Major)
27 August 1974	Bettowynd (Condry), AU	monthly rain	121.8 mm (4.8 in)	31.9 mm (1.3 in)	67 years	66 of 100 (Major)
27 August 1974	Batemans Bay Post Office, AU	daily rain	98.0 mm (3.9 in)	82.8 mm (3.3 in)	55 years	64 of 100 (Major)
27 August 1974	Berry Masonic Village, AU	monthly rain	214.8 mm (8.5 in)	60.4 mm (2.4 in)	36 years	63 of 100 (Major)
27 August 1974	Lower Boro (Calderwood), AU	monthly rain	80.8 mm (3.2 in)	24.9 mm (1.0 in)	36 years	63 of 100 (Major)
27 August 1974	Picton Council Depot, AU	daily rain	47.6 mm (1.9 in)	31.9 mm (1.3 in)	82 years	62 of 100 (Major)
27 August 1974	Durdidwarrah, AU	daily rain	39.0 mm (1.5 in)	26.8 mm (1.1 in)	37 years	61 of 100 (Major)
27 August 1974	Yalwal, AU	monthly rain	190.0 mm (7.5 in)	65.5 mm (2.6 in)	10 years	60 of 100 (Major)
27 August 1974	Milton Post Office, AU	daily rain	84.0 mm (3.3 in)	64.4 mm (2.5 in)	36 years	60 of 100 (Major)
27 August 1974	Randwick Bowling Club, AU	daily rain	112.8 mm (4.4 in)	76.0 mm (3.0 in)	36 years	59 of 100 (Notable)
27 August 1974	Captains Flat (Foxlow St), AU	monthly rain	125.4 mm (4.9 in)	54.3 mm (2.1 in)	7 years	59 of 100 (Notable)
27 August 1974	Miranda (Blackwood St), AU	daily rain	117.4 mm (4.6 in)	94.0 mm (3.7 in)	40 years	58 of 100 (Notable)
27 August 1974	Albion Park Post Office, AU	daily rain	157.2 mm (6.2 in)	137.6 mm (5.4 in)	24 years	55 of 100 (Notable)
27 August 1974	Darkes Forest (Kintyre), AU	daily rain	126.0 mm (5.0 in)	103.4 mm (4.1 in)	24 years	55 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

1807 to 1974

Records set or tied on this calendar date in each year from 1807 to 1974. 1974 had 722 records.

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

Records on 08-27 in each year
Year	Records
1807	3
1810	1
1811	1
1813	1
1816	1
1827	1
1829	1
1834	1
1846	1
1847	1
1848	1
1854	1
1857	1
1858	1
1859	1
1863	1
1864	3
1865	2
1869	1
1870	1
1871	1
1874	1
1876	1
1877	4
1880	1
1881	2
1882	1
1884	3
1885	2
1886	2
1887	2
1889	1
1890	10
1891	4
1892	1
1894	7
1895	1
1896	4
1899	5
1900	5
1901	6
1902	2
1903	22
1904	4
1905	16
1906	27
1907	9
1908	10
1909	10
1910	6
1911	16
1912	40
1913	10
1914	31
1915	37
1916	106
1917	57
1918	18
1919	78
1920	36
1921	27
1922	52
1923	63
1924	245
1925	102
1926	143
1927	395
1928	197
1929	80
1930	247
1931	205
1932	355
1933	368
1934	249
1935	348
1936	806
1937	679
1938	374
1939	191
1940	468
1941	504
1942	476
1943	581
1944	811
1945	414
1946	345
1947	291
1948	987
1949	475
1950	380
1951	415
1952	402
1953	712
1954	594
1955	485
1956	387
1957	615
1958	213
1959	522
1960	365
1961	365
1962	577
1963	335
1964	400
1965	440
1966	406
1967	887
1968	517
1969	780
1970	1,361
1971	640
1972	722
1973	1,519
1974	722
1975	506
1976	565
1977	793
1978	671
1979	917
1980	478
1981	998
1982	828
1983	823
1984	683
1985	660
1986	1,072
1987	1,356
1988	601
1989	854
1990	761
1991	813
1992	1,657
1993	1,087
1994	696
1995	1,143
1996	968
1997	1,189
1998	1,387
1999	1,258
2000	865
2001	1,304
2002	1,027
2003	916
2004	1,037
2005	733
2006	1,090
2007	958
2008	885
2009	701
2010	1,045
2011	1,518
2012	626
2013	629
2014	582
2015	832
2016	968
2017	838
2018	933
2019	1,013
2020	777
2021	635
2022	470
2023	953
2024	600
2025	1,218
2026	815

Download the Data

Data for records on 1974-08-27: 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	510
20 to 40	79
40 to 60	25
60 to 80	8
80 to 100	4
100 to 120	1
120 to 140	4