Weather Records on 15 August 1926

115 weather records were set or tied worldwide on 15 August 1926. Highest significance: Runnymede Spottsville, US.

Key Facts for 15 August 1926

On 15 August 1926, 115 weather records were set or tied at long-record stations worldwide.
44 were record highs and 23 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 2 monthly and 113 daily.
Runnymede Spottsville set a daily record precipitation of 70.1 mm (2.8 in) on 15 August 1926.
Across 168 earlier years (1793 to 2026) the same calendar date averaged 457 records.

Record Map

115 stations

115 station records on 15 August 1926 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 15 August 1926: highest significance records shown on the map
Station	Country	Type	Value	Significance
Runnymede Spottsville	United States	Record daily precipitation	70.1 mm (2.8 in)	45 of 100 (Notable)
Minnedosa	Canada	Record daily precipitation	52.8 mm (2.1 in)	41 of 100 (Notable)
Norwich	United States	Record daily precipitation	82.8 mm (3.3 in)	40 of 100 (Notable)
Du Quoin 4 SE	United States	Record daily precipitation	58.9 mm (2.3 in)	29 of 100 (Routine)
Falmouth	United States	Record daily precipitation	57.2 mm (2.3 in)	28 of 100 (Routine)
Princess Anne	United States	Record daily precipitation	76.2 mm (3.0 in)	28 of 100 (Routine)
New London	United States	Record daily precipitation	36.8 mm (1.4 in)	26 of 100 (Routine)
Weldon	United States	Record high minimum temperature	25.6 C (78.1 F)	26 of 100 (Routine)
Wheeling (1)	United States	Record daily precipitation	48.5 mm (1.9 in)	26 of 100 (Routine)
Maryborough	Australia	Record daily precipitation	28.4 mm (1.1 in)	24 of 100 (Routine)
Arapaho	United States	Record daily precipitation	30.5 mm (1.2 in)	24 of 100 (Routine)
Gayndah Post Office	Australia	Record high maximum temperature	30.3 C (86.5 F)	21 of 100 (Routine)
Winfield 3NE	United States	Record daily precipitation	59.7 mm (2.4 in)	21 of 100 (Routine)
Martinsburg E W Virginia Rgnl	United States	Record high maximum temperature	37.8 C (100.0 F)	21 of 100 (Routine)
Cherdyn'	Russia	Record daily precipitation	18.0 mm (0.7 in)	20 of 100 (Routine)
Kon-Kolodez	Russia	Record daily precipitation	13.2 mm (0.5 in)	20 of 100 (Routine)
Qu'appelle	Canada	Record low maximum temperature	13.3 C (55.9 F)	20 of 100 (Routine)
Mackay Post Office	Australia	Record high maximum temperature	27.7 C (81.9 F)	19 of 100 (Routine)
Tottenham (Burdenda)	Australia	Record daily precipitation	3.3 mm (0.13 in)	19 of 100 (Routine)
Brandon Cda	Canada	Record low maximum temperature	13.9 C (57.0 F)	19 of 100 (Routine)
Umea	Sweden	Record high minimum temperature	15.0 C (59.0 F)	19 of 100 (Routine)
Jefferson 3SE	United States	Record daily precipitation	41.4 mm (1.6 in)	19 of 100 (Routine)
Regina Int'l A	Canada	Record low maximum temperature	15.6 C (60.1 F)	18 of 100 (Routine)
Minnedosa	Canada	Record low maximum temperature	13.9 C (57.0 F)	18 of 100 (Routine)
Treherne	Canada	Record low maximum temperature	13.3 C (55.9 F)	18 of 100 (Routine)
Casterton (Roseneath)	Australia	Record daily precipitation	9.7 mm (0.38 in)	17 of 100 (Routine)
Fort Macleod	Canada	Record low maximum temperature	16.1 C (61.0 F)	17 of 100 (Routine)
St Albans	Canada	Record low maximum temperature	15.6 C (60.1 F)	17 of 100 (Routine)
White River	Canada	Record low minimum temperature	-4.4 C (24.1 F)	17 of 100 (Routine)
Waynesboro 2 W	United States	Record low maximum temperature	29.4 C (84.9 F)	17 of 100 (Routine)
Power	United States	Record daily precipitation	16.5 mm (0.6 in)	17 of 100 (Routine)
Avoca	Australia	Record daily precipitation	9.4 mm (0.37 in)	16 of 100 (Routine)
Rapid City Forrest	Canada	Record daily precipitation	26.7 mm (1.1 in)	16 of 100 (Routine)
Henderson 2 NNW	United States	Record high maximum temperature	38.3 C (100.9 F)	16 of 100 (Routine)
Willapa Harbor	United States	Record high minimum temperature	14.4 C (57.9 F)	16 of 100 (Routine)
Dalby Post Office	Australia	Record high maximum temperature	28.2 C (82.8 F)	15 of 100 (Routine)
Dandaloo (Tyrie Homestead)	Australia	Record daily precipitation	1.5 mm (0.06 in)	15 of 100 (Routine)
Winnipeg St Johns Coll	Canada	Record low maximum temperature	16.7 C (62.1 F)	15 of 100 (Routine)
Minneapolis Wb Dwtn	United States	Record daily precipitation	30.0 mm (1.2 in)	15 of 100 (Routine)
Louisville	United States	Record low minimum temperature	17.8 C (64.0 F)	15 of 100 (Routine)
Newberry	United States	Record high minimum temperature	24.4 C (75.9 F)	15 of 100 (Routine)
Forestburg 4 NNE	United States	Record daily precipitation	24.1 mm (0.9 in)	15 of 100 (Routine)
Great Western (Seppelt)	Australia	Record daily precipitation	8.9 mm (0.35 in)	14 of 100 (Routine)
Oakbank	Canada	Record low maximum temperature	15.6 C (60.1 F)	14 of 100 (Routine)
Sheffield	United Kingdom	Record high maximum temperature	24.4 C (75.9 F)	14 of 100 (Routine)
Warsaw 2 NW	United States	Record high maximum temperature	37.2 C (99.0 F)	14 of 100 (Routine)
Frances	Australia	Record daily precipitation	6.1 mm (0.24 in)	13 of 100 (Routine)
Inverell Comparison	Australia	Record high maximum temperature	22.8 C (73.0 F)	13 of 100 (Routine)
Wartook Post Office	Australia	Record daily precipitation	9.1 mm (0.36 in)	13 of 100 (Routine)
Monroe 2 SE	United States	Record high minimum temperature	22.8 C (73.0 F)	13 of 100 (Routine)
Stillwater 2 W	United States	Record daily precipitation	7.6 mm (0.30 in)	13 of 100 (Routine)
Carapook (the Gums)	Australia	Record daily precipitation	5.3 mm (0.21 in)	12 of 100 (Routine)
Fort Chipewyan	Canada	Record daily precipitation	15.2 mm (0.6 in)	12 of 100 (Routine)
Tustervatnet	Norway	Record daily precipitation	18.0 mm (0.7 in)	12 of 100 (Routine)
Lake Moraine	United States	Record low minimum temperature	-1.1 C (30.0 F)	12 of 100 (Routine)
Easton	United States	Record daily precipitation	36.8 mm (1.4 in)	12 of 100 (Routine)
Charlotte Wb City	United States	Record high minimum temperature	23.3 C (73.9 F)	12 of 100 (Routine)
St Cloud State Clg	United States	Record daily precipitation	20.3 mm (0.8 in)	12 of 100 (Routine)
Brisbane Regional Office	Australia	Record high maximum temperature	25.7 C (78.3 F)	11 of 100 (Routine)
Amphitheatre	Australia	Record daily precipitation	6.6 mm (0.26 in)	11 of 100 (Routine)

Counts by Type and Timescale

115 records

Records set or tied on 15 August 1926 by type: Highest daily maximum 16, Lowest daily maximum 17, Highest daily minimum 28, Lowest daily minimum 6, Heaviest daily rainfall 48.

Records on 15 August 1926 by type
Record type	Records
Highest daily maximum	16
Lowest daily maximum	17
Highest daily minimum	28
Lowest daily minimum	6
Heaviest daily rainfall	48
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 15 August 1926 by timescale: all-time 0, monthly 2, daily 113.

How Much Records Were Beaten By

93 broken records

Margins by which the 93 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 63.0. Ties are not counted.

Top 20 by Significance

15 August 1926

Top 20 records on 15 August 1926 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
15 August 1926	Runnymede Spottsville, US	daily rain	70.1 mm (2.8 in)	56.1 mm (2.2 in)	15 years	45 of 100 (Notable)
15 August 1926	Minnedosa, CA	monthly rain	52.8 mm (2.1 in)	10.6 mm (0.4 in)	42 years	41 of 100 (Notable)
15 August 1926	Norwich, US	daily rain	82.8 mm (3.3 in)	63.0 mm (2.5 in)	0 years	40 of 100 (Notable)
15 August 1926	Du Quoin 4 SE, US	daily rain	58.9 mm (2.3 in)	37.8 mm (1.5 in)	8 years	29 of 100 (Routine)
15 August 1926	Falmouth, US	daily rain	57.2 mm (2.3 in)	21.6 mm (0.9 in)	28 years	28 of 100 (Routine)
15 August 1926	Princess Anne, US	daily rain	76.2 mm (3.0 in)	40.9 mm (1.6 in)	15 years	28 of 100 (Routine)
15 August 1926	New London, US	daily rain	36.8 mm (1.4 in)	21.6 mm (0.9 in)	20 years	26 of 100 (Routine)
15 August 1926	Weldon, US	monthly high min	25.6 C (78.1 F)	0.6 C (1.1 F)	33 years	26 of 100 (Routine)
15 August 1926	Wheeling (1), US	daily rain	48.5 mm (1.9 in)	20.6 mm (0.8 in)	16 years	26 of 100 (Routine)
15 August 1926	Maryborough, AU	daily rain	28.4 mm (1.1 in)	10.1 mm (0.4 in)	9 years	24 of 100 (Routine)
15 August 1926	Arapaho, US	daily rain	30.5 mm (1.2 in)	23.9 mm (0.9 in)	11 years	24 of 100 (Routine)
15 August 1926	Gayndah Post Office, AU	daily high max	30.3 C (86.5 F)	2.8 C (5.0 F)	27 years	21 of 100 (Routine)
15 August 1926	Winfield 3NE, US	daily rain	59.7 mm (2.4 in)	31.3 mm (1.2 in)	0 years	21 of 100 (Routine)
15 August 1926	Martinsburg E W Virginia Rgnl, US	daily high max	37.8 C (100.0 F)	3.9 C (7.0 F)	28 years	21 of 100 (Routine)
15 August 1926	Cherdyn', RU	daily rain	18.0 mm (0.7 in)	9.2 mm (0.36 in)	29 years	20 of 100 (Routine)
15 August 1926	Kon-Kolodez, RU	daily rain	13.2 mm (0.5 in)	6.7 mm (0.26 in)	30 years	20 of 100 (Routine)
15 August 1926	Qu'appelle, CA	daily low max	13.3 C (55.9 F)	2.8 C (5.0 F)	35 years	20 of 100 (Routine)
15 August 1926	Mackay Post Office, AU	daily high max	27.7 C (81.9 F)	1.4 C (2.5 F)	33 years	19 of 100 (Routine)
15 August 1926	Tottenham (Burdenda), AU	daily rain	3.3 mm (0.13 in)	3.3 mm (0.13 in)	41 years	19 of 100 (Routine)
15 August 1926	Brandon Cda, CA	daily low max	13.9 C (57.0 F)	3.9 C (7.0 F)	29 years	19 of 100 (Routine)

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 1926

Records set or tied on this calendar date in each year from 1793 to 1926. 1926 had 115 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 1926-08-15: 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 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Margin	Records
0 to 10	77
10 to 20	6
20 to 30	5
30 to 40	2
40 to 50	1
50 to 60	1
60 to 70	1