Weather Records on 20 August 1926

187 weather records were set or tied worldwide on 20 August 1926. Highest significance: Hamilton, CA.

Key Facts for 20 August 1926

On 20 August 1926, 187 weather records were set or tied at long-record stations worldwide.
35 were record highs and 81 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 8 monthly and 177 daily.
Hamilton set a daily record precipitation of 45.7 mm (1.8 in) on 20 August 1926.
Across 163 earlier years (1797 to 2026) the same calendar date averaged 456 records.

Record Map

187 stations

187 station records on 20 August 1926 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 August 1926: highest significance records shown on the map
Station	Country	Type	Value	Significance
Hamilton	Canada	Record daily precipitation	45.7 mm (1.8 in)	55 of 100 (Notable)
Pine River 3 NE	United States	Record daily precipitation	68.6 mm (2.7 in)	50 of 100 (Notable)
Bologna	Italy	Record high minimum temperature	24.8 C (76.6 F)	41 of 100 (Notable)
Oshkosh	United States	Record daily precipitation	46.7 mm (1.8 in)	39 of 100 (Notable)
Stevens Pt	United States	Record daily precipitation	59.9 mm (2.4 in)	35 of 100 (Notable)
Fort St James	Canada	Record daily precipitation	30.7 mm (1.2 in)	34 of 100 (Routine)
Westernport	United States	Record daily precipitation	40.1 mm (1.6 in)	33 of 100 (Routine)
Bloukrans (Bos)	South Africa	Record daily precipitation	28.7 mm (1.1 in)	32 of 100 (Routine)
Toledo Blade	United States	Record daily precipitation	63.0 mm (2.5 in)	32 of 100 (Routine)
Hillsboro	United States	Record daily precipitation	100.3 mm (3.9 in)	32 of 100 (Routine)
Meadow Valley Rs	United States	Record daily precipitation	127.5 mm (5.0 in)	31 of 100 (Routine)
Florence	United States	Record daily precipitation	52.6 mm (2.1 in)	30 of 100 (Routine)
Waupaca	United States	Record daily precipitation	33.8 mm (1.3 in)	30 of 100 (Routine)
Marshalltown	United States	Record daily precipitation	41.9 mm (1.6 in)	29 of 100 (Routine)
Lancaster 4 WSW	United States	Record daily precipitation	37.6 mm (1.5 in)	29 of 100 (Routine)
Neillsville 3ESE	United States	Record daily precipitation	86.4 mm (3.4 in)	29 of 100 (Routine)
Lamar 7N	United States	Record daily precipitation	100.6 mm (4.0 in)	28 of 100 (Routine)
Medford	United States	Record daily precipitation	64.8 mm (2.6 in)	27 of 100 (Routine)
New London	United States	Record daily precipitation	48.8 mm (1.9 in)	27 of 100 (Routine)
Escanaba	United States	Record daily precipitation	41.9 mm (1.6 in)	27 of 100 (Routine)
Laurel 3 W	United States	Record low maximum temperature	17.8 C (64.0 F)	26 of 100 (Routine)
Marengo	United States	Record daily precipitation	75.7 mm (3.0 in)	24 of 100 (Routine)
Chatham 2	Canada	Record daily precipitation	41.9 mm (1.6 in)	23 of 100 (Routine)
Marion	United States	Record daily precipitation	38.9 mm (1.5 in)	23 of 100 (Routine)
La Crosse Wb City	United States	Record daily precipitation	33.0 mm (1.3 in)	23 of 100 (Routine)
Pakri	Estonia	Record daily precipitation	41.2 mm (1.6 in)	22 of 100 (Routine)
Grantsville	United States	Record daily precipitation	49.3 mm (1.9 in)	21 of 100 (Routine)
Fond du Lac Wwtp	United States	Record daily precipitation	47.0 mm (1.9 in)	21 of 100 (Routine)
Portland Rfc City	United States	Record daily precipitation	9.1 mm (0.36 in)	20 of 100 (Routine)
Lien I Selbu	Norway	Record daily precipitation	20.6 mm (0.8 in)	20 of 100 (Routine)
Teterow	Germany	Record daily precipitation	15.0 mm (0.6 in)	20 of 100 (Routine)
Lenoir	United States	Record daily precipitation	19.8 mm (0.8 in)	20 of 100 (Routine)
Hamilton	Canada	Record low maximum temperature	18.9 C (66.0 F)	20 of 100 (Routine)
Altoona Horseshoe Curv	United States	Record low maximum temperature	17.2 C (63.0 F)	20 of 100 (Routine)
W Chester 2 NW	United States	Record low maximum temperature	19.4 C (66.9 F)	20 of 100 (Routine)
Staunton Wtp	United States	Record low maximum temperature	19.4 C (66.9 F)	20 of 100 (Routine)
Lake Mills Wwtp	United States	Record daily precipitation	30.5 mm (1.2 in)	20 of 100 (Routine)
Prairie du Chien	United States	Record daily precipitation	40.6 mm (1.6 in)	20 of 100 (Routine)
Morgantown 1	United States	Record low maximum temperature	21.7 C (71.1 F)	19 of 100 (Routine)
Medford	United States	Record low maximum temperature	17.2 C (63.0 F)	19 of 100 (Routine)
Neillsville 3ESE	United States	Record low maximum temperature	17.8 C (64.0 F)	19 of 100 (Routine)
Easton	United States	Record low maximum temperature	20.6 C (69.1 F)	18 of 100 (Routine)
Grantsville	United States	Record low maximum temperature	15.6 C (60.1 F)	18 of 100 (Routine)
Johnstown	United States	Record low maximum temperature	18.3 C (64.9 F)	18 of 100 (Routine)
Lynchburg - Coop	United States	Record low maximum temperature	18.9 C (66.0 F)	18 of 100 (Routine)
Florence	United States	Record low maximum temperature	15.6 C (60.1 F)	18 of 100 (Routine)
Grand River Lock	United States	Record daily precipitation	57.2 mm (2.3 in)	18 of 100 (Routine)
Nuwara Eliya	Sri Lanka	Record high minimum temperature	15.0 C (59.0 F)	17 of 100 (Routine)
Riversdale	South Africa	Record daily precipitation	20.1 mm (0.8 in)	17 of 100 (Routine)
Storlien	Sweden	Record daily precipitation	18.0 mm (0.7 in)	17 of 100 (Routine)
Worcester	United States	Record low minimum temperature	7.8 C (46.0 F)	17 of 100 (Routine)
Eau Claire	United States	Record daily precipitation	24.6 mm (1.0 in)	17 of 100 (Routine)
Burdekin Shire Council	Australia	Record high minimum temperature	18.8 C (65.8 F)	16 of 100 (Routine)
George Airport	South Africa	Record daily precipitation	16.8 mm (0.7 in)	16 of 100 (Routine)
Witelsbos (Bos)	South Africa	Record daily precipitation	22.1 mm (0.9 in)	16 of 100 (Routine)
Rogers	United States	Record daily precipitation	39.6 mm (1.6 in)	16 of 100 (Routine)
Moorestown 4 E	United States	Record low maximum temperature	21.1 C (70.0 F)	16 of 100 (Routine)
Callaville	United States	Record low maximum temperature	23.3 C (73.9 F)	16 of 100 (Routine)
Brantford	Canada	Record low maximum temperature	20.6 C (69.1 F)	15 of 100 (Routine)
Mt Sterling	United States	Record daily precipitation	27.9 mm (1.1 in)	15 of 100 (Routine)

Counts by Type and Timescale

187 records

Records set or tied on 20 August 1926 by type: Highest daily maximum 7, Lowest daily maximum 68, Highest daily minimum 28, Lowest daily minimum 13, Heaviest daily rainfall 71.

Records on 20 August 1926 by type
Record type	Records
Highest daily maximum	7
Lowest daily maximum	68
Highest daily minimum	28
Lowest daily minimum	13
Heaviest daily rainfall	71
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 20 August 1926 by timescale: all-time 2, monthly 8, daily 177.

How Much Records Were Beaten By

150 broken records

Margins by which the 150 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 51.6. Ties are not counted.

Top 20 by Significance

20 August 1926

Top 20 records on 20 August 1926 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 August 1926	Hamilton, CA	daily rain	45.7 mm (1.8 in)	34.3 mm (1.4 in)	42 years	55 of 100 (Notable)
20 August 1926	Pine River 3 NE, US	daily rain	68.6 mm (2.7 in)	51.6 mm (2.0 in)	25 years	50 of 100 (Notable)
20 August 1926	Bologna, IT	daily high min	24.8 C (76.6 F)	0.4 C (0.7 F)	105 years	41 of 100 (Notable)
20 August 1926	Oshkosh, US	daily rain	46.7 mm (1.8 in)	39.1 mm (1.5 in)	26 years	39 of 100 (Notable)
20 August 1926	Stevens Pt, US	daily rain	59.9 mm (2.4 in)	34.5 mm (1.4 in)	20 years	35 of 100 (Notable)
20 August 1926	Fort St James, CA	monthly rain	30.7 mm (1.2 in)	7.3 mm (0.29 in)	14 years	34 of 100 (Routine)
20 August 1926	Westernport, US	daily rain	40.1 mm (1.6 in)	26.4 mm (1.0 in)	20 years	33 of 100 (Routine)
20 August 1926	Bloukrans (Bos), ZA	daily rain	28.7 mm (1.1 in)	20.8 mm (0.8 in)	42 years	32 of 100 (Routine)
20 August 1926	Toledo Blade, US	daily rain	63.0 mm (2.5 in)	24.6 mm (1.0 in)	21 years	32 of 100 (Routine)
20 August 1926	Hillsboro, US	all-time rain	100.3 mm (3.9 in)	6.3 mm (0.25 in)	19 years	32 of 100 (Routine)
20 August 1926	Meadow Valley Rs, US	all-time rain	127.5 mm (5.0 in)	4.8 mm (0.19 in)	19 years	31 of 100 (Routine)
20 August 1926	Florence, US	daily rain	52.6 mm (2.1 in)	33.0 mm (1.3 in)	12 years	30 of 100 (Routine)
20 August 1926	Waupaca, US	daily rain	33.8 mm (1.3 in)	27.4 mm (1.1 in)	24 years	30 of 100 (Routine)
20 August 1926	Marshalltown, US	daily rain	41.9 mm (1.6 in)	21.8 mm (0.9 in)	26 years	29 of 100 (Routine)
20 August 1926	Lancaster 4 WSW, US	daily rain	37.6 mm (1.5 in)	25.9 mm (1.0 in)	26 years	29 of 100 (Routine)
20 August 1926	Neillsville 3ESE, US	monthly rain	86.4 mm (3.4 in)	16.5 mm (0.6 in)	13 years	29 of 100 (Routine)
20 August 1926	Lamar 7N, US	daily rain	100.6 mm (4.0 in)	41.7 mm (1.6 in)	12 years	28 of 100 (Routine)
20 August 1926	Medford, US	monthly rain	64.8 mm (2.6 in)	8.9 mm (0.35 in)	26 years	27 of 100 (Routine)
20 August 1926	New London, US	daily rain	48.8 mm (1.9 in)	23.4 mm (0.9 in)	25 years	27 of 100 (Routine)
20 August 1926	Escanaba, US	daily rain	41.9 mm (1.6 in)	7.4 mm (0.29 in)	50 years	27 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

1797 to 1926

Records set or tied on this calendar date in each year from 1797 to 1926. 1926 had 187 records.

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

Records on 08-20 in each year
Year	Records
1797	1
1807	1
1809	2
1816	1
1830	1
1832	1
1838	1
1840	1
1842	1
1846	1
1849	1
1850	1
1852	1
1858	3
1863	5
1867	4
1870	3
1871	1
1873	1
1875	2
1877	1
1883	2
1884	2
1885	6
1886	1
1888	1
1889	2
1890	2
1891	2
1892	6
1893	1
1894	1
1895	1
1896	5
1897	6
1898	1
1899	5
1900	7
1901	12
1902	3
1903	7
1904	30
1905	7
1906	26
1907	15
1908	21
1909	69
1910	7
1911	18
1912	25
1913	23
1914	15
1915	14
1916	74
1917	51
1918	69
1919	25
1920	47
1921	23
1922	52
1923	83
1924	132
1925	193
1926	187
1927	338
1928	101
1929	213
1930	318
1931	214
1932	299
1933	324
1934	376
1935	339
1936	543
1937	537
1938	250
1939	448
1940	695
1941	230
1942	429
1943	436
1944	355
1945	398
1946	349
1947	988
1948	403
1949	431
1950	1,341
1951	824
1952	425
1953	441
1954	476
1955	848
1956	678
1957	342
1958	281
1959	764
1960	465
1961	520
1962	684
1963	577
1964	629
1965	470
1966	1,094
1967	657
1968	862
1969	608
1970	414
1971	585
1972	522
1973	490
1974	565
1975	411
1976	894
1977	860
1978	563
1979	1,009
1980	991
1981	856
1982	620
1983	1,465
1984	696
1985	666
1986	819
1987	564
1988	991
1989	603
1990	1,262
1991	804
1992	1,168
1993	759
1994	719
1995	1,113
1996	900
1997	1,214
1998	802
1999	810
2000	989
2001	909
2002	1,208
2003	1,031
2004	1,333
2005	1,112
2006	851
2007	1,955
2008	1,170
2009	1,414
2010	1,028
2011	987
2012	1,086
2013	545
2014	582
2015	1,075
2016	872
2017	324
2018	657
2019	698
2020	1,051
2021	1,028
2022	1,038
2023	1,479
2024	589
2025	1,134
2026	985

Download the Data

Data for records on 1926-08-20: 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	124
10 to 20	12
20 to 30	7
30 to 40	5
40 to 50	1
50 to 60	1