Weather Records on 15 August 1974

512 weather records were set or tied worldwide on 15 August 1974. Highest significance: Yarra (Rowe's Lagoon), AU.

Key Facts for 15 August 1974

On 15 August 1974, 512 weather records were set or tied at long-record stations worldwide.
167 were record highs and 149 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 13 monthly and 499 daily.
Yarra (Rowe's Lagoon) set a monthly record daily precipitation of 64.0 mm (2.5 in) on 15 August 1974.
Across 168 earlier years (1793 to 2026) the same calendar date averaged 454 records.

Record Map

512 stations

512 station records on 15 August 1974 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 15 August 1974: highest significance records shown on the map
Station	Country	Type	Value	Significance
Yarra (Rowe's Lagoon)	Australia	Record daily precipitation	64.0 mm (2.5 in)	63 of 100 (Major)
Falls City Brenner Fld	United States	Record daily precipitation	157.5 mm (6.2 in)	58 of 100 (Notable)
Pawhuska	United States	Record daily precipitation	153.4 mm (6.0 in)	57 of 100 (Notable)
Larimore 4SW	United States	Record daily precipitation	64.0 mm (2.5 in)	56 of 100 (Notable)
Karesuando	Sweden	Record daily precipitation	39.5 mm (1.6 in)	54 of 100 (Notable)
Rainier Paradise Rs	United States	Record snow depth	61.0 cm (24.0 in)	52 of 100 (Notable)
Cape Kazantip (Lh)	Ukraine	Record daily precipitation	56.7 mm (2.2 in)	51 of 100 (Notable)
Roseau	United States	Record daily precipitation	62.2 mm (2.4 in)	49 of 100 (Notable)
Hallock	United States	Record daily precipitation	52.8 mm (2.1 in)	48 of 100 (Notable)
Kiandra Chalet	Australia	Record daily precipitation	60.2 mm (2.4 in)	46 of 100 (Notable)
Sao Pedro Do Suacui	Brazil	Record daily precipitation	42.3 mm (1.7 in)	46 of 100 (Notable)
Nikopol	Ukraine	Record daily precipitation	41.4 mm (1.6 in)	43 of 100 (Notable)
Red Lake Indian Agcy	United States	Record daily precipitation	58.4 mm (2.3 in)	43 of 100 (Notable)
Col du Grand St-Bernard	Switzerland	Record high minimum temperature	12.6 C (54.7 F)	42 of 100 (Notable)
Lyons 2 N	United States	Record daily precipitation	104.1 mm (4.1 in)	42 of 100 (Notable)
Nizhni Sirohozy	Ukraine	Record daily precipitation	34.3 mm (1.4 in)	39 of 100 (Notable)
Gonvick 2 W	United States	Record daily precipitation	43.7 mm (1.7 in)	39 of 100 (Notable)
Freiburg	Germany	Record high maximum temperature	34.2 C (93.6 F)	38 of 100 (Notable)
Foxholm 7 N	United States	Record low minimum temperature	2.8 C (37.0 F)	38 of 100 (Notable)
Mc Henry 3W	United States	Record daily precipitation	39.6 mm (1.6 in)	38 of 100 (Notable)
Aachen	Germany	Record high minimum temperature	21.0 C (69.8 F)	37 of 100 (Notable)
Krasnaja Poljana	Russia	Record daily precipitation	82.9 mm (3.3 in)	37 of 100 (Notable)
Resaca	United States	Record daily precipitation	49.8 mm (2.0 in)	37 of 100 (Notable)
Winnemucca AP	United States	Record low minimum temperature	0.6 C (33.1 F)	37 of 100 (Notable)
Neerim South	Australia	Record daily precipitation	38.2 mm (1.5 in)	36 of 100 (Notable)
Maastricht	Netherlands	Record high minimum temperature	19.1 C (66.4 F)	36 of 100 (Notable)
Bastanka	Ukraine	Record daily precipitation	29.9 mm (1.2 in)	36 of 100 (Notable)
Crookston NW Exp STN	United States	Record daily precipitation	53.8 mm (2.1 in)	36 of 100 (Notable)
Sta. Cruz de Tenerife	Spain	Record high minimum temperature	26.0 C (78.8 F)	35 of 100 (Notable)
Petersburg 2 N	United States	Record daily precipitation	45.2 mm (1.8 in)	35 of 100 (Notable)
Haileybury	Canada	Record low minimum temperature	2.2 C (36.0 F)	34 of 100 (Routine)
Redrock 1 NNE	United States	Record daily precipitation	52.1 mm (2.1 in)	34 of 100 (Routine)
Evanston 1 E	United States	Record low minimum temperature	-1.7 C (28.9 F)	34 of 100 (Routine)
Hornepayne	Canada	Record daily precipitation	36.8 mm (1.4 in)	33 of 100 (Routine)
Col du Grand St-Bernard	Switzerland	Record high maximum temperature	19.5 C (67.1 F)	33 of 100 (Routine)
Camp Crook	United States	Record low minimum temperature	3.9 C (39.0 F)	33 of 100 (Routine)
Ft Meade	United States	Record low minimum temperature	6.7 C (44.1 F)	33 of 100 (Routine)
Hohenpeissenberg	Germany	Record high minimum temperature	19.4 C (66.9 F)	32 of 100 (Routine)
McGill	United States	Record low minimum temperature	5.6 C (42.1 F)	32 of 100 (Routine)
Rock Springs	United States	Record low minimum temperature	3.3 C (37.9 F)	32 of 100 (Routine)
Cardston	Canada	Record low minimum temperature	-3.9 C (25.0 F)	31 of 100 (Routine)
Sugar City	United States	Record low minimum temperature	0.0 C (32.0 F)	31 of 100 (Routine)
Grafton	United States	Record daily precipitation	102.9 mm (4.1 in)	31 of 100 (Routine)
Towner 2 NE	United States	Record low minimum temperature	4.4 C (39.9 F)	31 of 100 (Routine)
Deols Chateauroux Aerodrome de	France	Record high maximum temperature	36.2 C (97.2 F)	30 of 100 (Routine)
Kayenta	United States	Record low minimum temperature	2.2 C (36.0 F)	30 of 100 (Routine)
Clinton	United States	Record low minimum temperature	8.9 C (48.0 F)	30 of 100 (Routine)
Ashley	United States	Record daily precipitation	27.9 mm (1.1 in)	30 of 100 (Routine)
Park Falls Dnr HQ	United States	Record daily precipitation	34.8 mm (1.4 in)	30 of 100 (Routine)
Kaiserslautern	Germany	Record high maximum temperature	34.0 C (93.2 F)	29 of 100 (Routine)
Travemunde	Germany	Record high maximum temperature	29.8 C (85.6 F)	29 of 100 (Routine)
Alfoten II	Norway	Record daily precipitation	30.7 mm (1.2 in)	29 of 100 (Routine)
Elgin	United States	Record daily precipitation	50.0 mm (2.0 in)	29 of 100 (Routine)
Angus 1 N	United States	Record daily precipitation	40.6 mm (1.6 in)	29 of 100 (Routine)
Jamestown State Hosp	United States	Record daily precipitation	35.6 mm (1.4 in)	29 of 100 (Routine)
Ashland	United States	Record daily precipitation	55.6 mm (2.2 in)	29 of 100 (Routine)
Upton	United States	Record low minimum temperature	3.3 C (37.9 F)	29 of 100 (Routine)
Park River	United States	Record daily precipitation	28.4 mm (1.1 in)	28 of 100 (Routine)
Angleton 2 W	United States	Record daily precipitation	50.8 mm (2.0 in)	28 of 100 (Routine)
Ahuti	Georgia	Record daily precipitation	49.2 mm (1.9 in)	27 of 100 (Routine)

Counts by Type and Timescale

512 records

Records set or tied on 15 August 1974 by type: Highest daily maximum 85, Lowest daily maximum 28, Highest daily minimum 82, Lowest daily minimum 121, Heaviest daily rainfall 194, Heaviest daily snowfall 1, Deepest snow cover 1.

Records on 15 August 1974 by type
Record type	Records
Highest daily maximum	85
Lowest daily maximum	28
Highest daily minimum	82
Lowest daily minimum	121
Heaviest daily rainfall	194
Heaviest daily snowfall	1
Deepest snow cover	1

Records on 15 August 1974 by timescale: all-time 0, monthly 13, daily 499.

How Much Records Were Beaten By

416 broken records

Margins by which the 416 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 610.0. Ties are not counted.

Top 20 by Significance

15 August 1974

Top 20 records on 15 August 1974 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
15 August 1974	Yarra (Rowe's Lagoon), AU	monthly rain	64.0 mm (2.5 in)	17.8 mm (0.7 in)	67 years	63 of 100 (Major)
15 August 1974	Falls City Brenner Fld, US	daily rain	157.5 mm (6.2 in)	87.6 mm (3.4 in)	40 years	58 of 100 (Notable)
15 August 1974	Pawhuska, US	daily rain	153.4 mm (6.0 in)	119.4 mm (4.7 in)	36 years	57 of 100 (Notable)
15 August 1974	Larimore 4SW, US	daily rain	64.0 mm (2.5 in)	36.1 mm (1.4 in)	48 years	56 of 100 (Notable)
15 August 1974	Karesuando, SE	daily rain	39.5 mm (1.6 in)	9.8 mm (0.39 in)	92 years	54 of 100 (Notable)
15 August 1974	Rainier Paradise Rs, US	daily snow depth	61.0 cm (24.0 in)	61.0 cm (24.0 in)	25 years	52 of 100 (Notable)
15 August 1974	Cape Kazantip (Lh), UA	daily rain	56.7 mm (2.2 in)	50.9 mm (2.0 in)	27 years	51 of 100 (Notable)
15 August 1974	Roseau, US	daily rain	62.2 mm (2.4 in)	34.0 mm (1.3 in)	25 years	49 of 100 (Notable)
15 August 1974	Hallock, US	daily rain	52.8 mm (2.1 in)	26.1 mm (1.0 in)	64 years	48 of 100 (Notable)
15 August 1974	Kiandra Chalet, AU	daily rain	60.2 mm (2.4 in)	16.3 mm (0.6 in)	81 years	46 of 100 (Notable)
15 August 1974	Sao Pedro Do Suacui, BR	monthly rain	42.3 mm (1.7 in)	14.8 mm (0.6 in)	6 years	46 of 100 (Notable)
15 August 1974	Nikopol, UA	daily rain	41.4 mm (1.6 in)	27.1 mm (1.1 in)	36 years	43 of 100 (Notable)
15 August 1974	Red Lake Indian Agcy, US	daily rain	58.4 mm (2.3 in)	39.9 mm (1.6 in)	12 years	43 of 100 (Notable)
15 August 1974	Col du Grand St-Bernard, CH	daily high min	12.6 C (54.7 F)	2.7 C (4.9 F)	85 years	42 of 100 (Notable)
15 August 1974	Lyons 2 N, US	monthly rain	104.1 mm (4.1 in)	33.7 mm (1.3 in)	29 years	42 of 100 (Notable)
15 August 1974	Nizhni Sirohozy, UA	daily rain	34.3 mm (1.4 in)	25.1 mm (1.0 in)	19 years	39 of 100 (Notable)
15 August 1974	Gonvick 2 W, US	daily rain	43.7 mm (1.7 in)	34.8 mm (1.4 in)	23 years	39 of 100 (Notable)
15 August 1974	Freiburg, DE	daily high max	34.2 C (93.6 F)	2.4 C (4.3 F)	81 years	38 of 100 (Notable)
15 August 1974	Foxholm 7 N, US	daily low min	2.8 C (37.0 F)	3.3 C (5.9 F)	76 years	38 of 100 (Notable)
15 August 1974	Mc Henry 3W, US	daily rain	39.6 mm (1.6 in)	15.5 mm (0.6 in)	64 years	38 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 1974

Records set or tied on this calendar date in each year from 1793 to 1974. 1974 had 512 records.

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

Records on 08-15 in each year
Year	Records
1793	2
1802	1
1805	1
1812	1
1821	1
1838	2
1839	1
1841	1
1844	1
1845	3
1852	1
1854	1
1856	1
1858	1
1861	3
1867	1
1868	2
1869	1
1873	2
1875	1
1876	2
1877	1
1878	1
1879	1
1880	3
1881	2
1882	2
1883	1
1884	2
1885	3
1886	1
1887	1
1888	3
1890	2
1891	2
1892	3
1893	3
1895	1
1896	9
1897	3
1898	1
1899	2
1900	6
1901	5
1902	10
1903	5
1904	17
1905	26
1906	8
1907	14
1908	15
1909	30
1910	16
1911	26
1912	34
1913	42
1914	11
1915	26
1916	223
1917	32
1918	23
1919	22
1920	59
1921	55
1922	86
1923	116
1924	220
1925	91
1926	115
1927	223
1928	271
1929	586
1930	274
1931	351
1932	368
1933	268
1934	992
1935	414
1936	867
1937	574
1938	681
1939	450
1940	372
1941	289
1942	377
1943	426
1944	610
1945	433
1946	285
1947	559
1948	366
1949	559
1950	317
1951	597
1952	596
1953	449
1954	481
1955	539
1956	390
1957	355
1958	1,092
1959	515
1960	417
1961	704
1962	1,052
1963	972
1964	1,185
1965	535
1966	340
1967	687
1968	1,002
1969	583
1970	382
1971	899
1972	613
1973	499
1974	512
1975	490
1976	1,345
1977	550
1978	841
1979	1,788
1980	745
1981	588
1982	479
1983	955
1984	622
1985	915
1986	1,283
1987	1,098
1988	1,479
1989	495
1990	758
1991	778
1992	1,638
1993	831
1994	1,073
1995	1,298
1996	929
1997	927
1998	861
1999	956
2000	932
2001	1,254
2002	1,307
2003	1,248
2004	1,424
2005	1,067
2006	923
2007	1,317
2008	964
2009	1,038
2010	1,622
2011	770
2012	654
2013	711
2014	583
2015	759
2016	707
2017	532
2018	328
2019	435
2020	1,327
2021	900
2022	692
2023	1,414
2024	729
2025	772
2026	975

Download the Data

Data for records on 1974-08-15: 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 100	414
100 to 200	1
200 to 300	0
300 to 400	0
400 to 500	0
500 to 600	0
600 to 700	1