Weather Records on 23 August 1975

627 weather records were set or tied worldwide on 23 August 1975. Highest significance: Cambridge Galt Moe, CA.

Key Facts for 23 August 1975

On 23 August 1975, 627 weather records were set or tied at long-record stations worldwide.
132 were record highs and 154 were record lows, counting maximum and minimum temperature.
By timescale, 6 were all-time records, 26 monthly and 595 daily.
Cambridge Galt Moe set a daily record precipitation of 71.1 mm (2.8 in) on 23 August 1975.
Across 164 earlier years (1802 to 2026) the same calendar date averaged 443 records.

Record Map

627 stations

627 station records on 23 August 1975 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 23 August 1975: highest significance records shown on the map
Station	Country	Type	Value	Significance
Cambridge Galt Moe	Canada	Record daily precipitation	71.1 mm (2.8 in)	74 of 100 (Major)
Mather 3 NW	United States	Record daily precipitation	141.0 mm (5.6 in)	67 of 100 (Major)
Blair	United States	Record daily precipitation	154.4 mm (6.1 in)	63 of 100 (Major)
Hartford Wwtp	United States	Record daily precipitation	52.1 mm (2.1 in)	63 of 100 (Major)
Kitchener	Canada	Record daily precipitation	101.1 mm (4.0 in)	60 of 100 (Major)
Forks 1 E	United States	Record daily precipitation	53.3 mm (2.1 in)	59 of 100 (Notable)
Pomeroy	United States	Record daily precipitation	26.7 mm (1.1 in)	59 of 100 (Notable)
Kewaunee	United States	Record daily precipitation	50.8 mm (2.0 in)	59 of 100 (Notable)
Port Angeles	United States	Record daily precipitation	38.6 mm (1.5 in)	57 of 100 (Notable)
Sappho 8 E	United States	Record daily precipitation	74.7 mm (2.9 in)	57 of 100 (Notable)
Moscow U of I	United States	Record daily precipitation	30.2 mm (1.2 in)	56 of 100 (Notable)
Hope A	Canada	Record daily precipitation	49.5 mm (1.9 in)	55 of 100 (Notable)
Brodribb River	Australia	Record daily precipitation	68.4 mm (2.7 in)	54 of 100 (Notable)
Anacortes	United States	Record daily precipitation	40.4 mm (1.6 in)	53 of 100 (Notable)
Port Stanley	Canada	Record daily precipitation	53.3 mm (2.1 in)	52 of 100 (Notable)
Wisconsin Rapids	United States	Record daily precipitation	89.2 mm (3.5 in)	52 of 100 (Notable)
Carway	Canada	Record daily precipitation	41.4 mm (1.6 in)	50 of 100 (Notable)
Ridgetown	Canada	Record daily precipitation	39.1 mm (1.5 in)	49 of 100 (Notable)
Angleton 2 W	United States	Record daily precipitation	94.0 mm (3.7 in)	48 of 100 (Notable)
Hatfield	United States	Record daily precipitation	106.4 mm (4.2 in)	48 of 100 (Notable)
Southampton	Canada	Record daily precipitation	85.3 mm (3.4 in)	47 of 100 (Notable)
Collegeville St John's	United States	Record daily precipitation	53.8 mm (2.1 in)	47 of 100 (Notable)
Mondovi	United States	Record daily precipitation	128.0 mm (5.0 in)	47 of 100 (Notable)
Reedsburg Wwtp	United States	Record daily precipitation	96.8 mm (3.8 in)	47 of 100 (Notable)
Bonners Ferry	United States	Record daily precipitation	28.7 mm (1.1 in)	45 of 100 (Notable)
Elwha Rs	United States	Record daily precipitation	35.6 mm (1.4 in)	45 of 100 (Notable)
Decatur 1 N	United States	Record daily precipitation	64.8 mm (2.6 in)	44 of 100 (Notable)
Muskegon Co AP	United States	Record daily precipitation	47.2 mm (1.9 in)	44 of 100 (Notable)
Northport	United States	Record daily precipitation	29.0 mm (1.1 in)	43 of 100 (Notable)
Hancock Exp Farm	United States	Record daily precipitation	70.6 mm (2.8 in)	43 of 100 (Notable)
Green Bay	United States	Record daily precipitation	35.6 mm (1.4 in)	43 of 100 (Notable)
Cut Bank AP	United States	Record daily precipitation	25.9 mm (1.0 in)	43 of 100 (Notable)
Branxholme (Bassett)	Australia	Record daily precipitation	25.0 mm (1.0 in)	41 of 100 (Notable)
Victoria Int'l A	Canada	Record daily precipitation	29.7 mm (1.2 in)	41 of 100 (Notable)
Konstanz	Germany	Record daily precipitation	42.2 mm (1.7 in)	41 of 100 (Notable)
Anahuac	United States	Record daily precipitation	97.8 mm (3.9 in)	41 of 100 (Notable)
Clearwater	United States	Record daily precipitation	56.1 mm (2.2 in)	41 of 100 (Notable)
Glacier Rs	United States	Record daily precipitation	44.5 mm (1.8 in)	41 of 100 (Notable)
Mountain View	Canada	Record daily precipitation	40.1 mm (1.6 in)	40 of 100 (Notable)
Port Townsend	United States	Record low maximum temperature	12.8 C (55.0 F)	40 of 100 (Notable)
Republic	United States	Record low maximum temperature	11.7 C (53.1 F)	40 of 100 (Notable)
Wonthaggi	Australia	Record daily precipitation	26.2 mm (1.0 in)	39 of 100 (Notable)
Rubicon Sec	Australia	Record daily precipitation	58.8 mm (2.3 in)	39 of 100 (Notable)
River Falls	United States	Record daily precipitation	87.9 mm (3.5 in)	39 of 100 (Notable)
Victoria Gonzales Hts	Canada	Record daily precipitation	27.9 mm (1.1 in)	38 of 100 (Notable)
Nelkan	Russia	Record daily precipitation	42.0 mm (1.7 in)	38 of 100 (Notable)
Voznesensk	Ukraine	Record daily precipitation	25.9 mm (1.0 in)	38 of 100 (Notable)
Bellevue L/D 12	United States	Record daily precipitation	55.1 mm (2.2 in)	38 of 100 (Notable)
Grand Haven Fire Dept	United States	Record daily precipitation	43.7 mm (1.7 in)	38 of 100 (Notable)
Ogdensburg 4 NE	United States	Record low minimum temperature	3.9 C (39.0 F)	38 of 100 (Notable)
Oakland 1 SE	United States	Record daily precipitation	111.8 mm (4.4 in)	37 of 100 (Notable)
Millington 3 SE	United States	Record daily precipitation	31.2 mm (1.2 in)	37 of 100 (Notable)
Darrington Rs	United States	Record daily precipitation	38.6 mm (1.5 in)	37 of 100 (Notable)
Manitowoc	United States	Record daily precipitation	36.8 mm (1.4 in)	37 of 100 (Notable)
Inverloch	Australia	Record daily precipitation	33.6 mm (1.3 in)	36 of 100 (Notable)
City of Melbourne Bay	Australia	Record daily precipitation	41.2 mm (1.6 in)	36 of 100 (Notable)
Ajan	Russia	Record daily precipitation	78.9 mm (3.1 in)	36 of 100 (Notable)
Mora	United States	Record daily precipitation	32.5 mm (1.3 in)	36 of 100 (Notable)
Sedro-Woolley	United States	Record daily precipitation	42.4 mm (1.7 in)	36 of 100 (Notable)
Waupaca	United States	Record daily precipitation	47.5 mm (1.9 in)	36 of 100 (Notable)

Counts by Type and Timescale

627 records

Records set or tied on 23 August 1975 by type: Highest daily maximum 24, Lowest daily maximum 106, Highest daily minimum 108, Lowest daily minimum 48, Heaviest daily rainfall 341.

Records on 23 August 1975 by type
Record type	Records
Highest daily maximum	24
Lowest daily maximum	106
Highest daily minimum	108
Lowest daily minimum	48
Heaviest daily rainfall	341
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 23 August 1975 by timescale: all-time 6, monthly 26, daily 595.

How Much Records Were Beaten By

520 broken records

Margins by which the 520 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 71.7. Ties are not counted.

Top 20 by Significance

23 August 1975

Top 20 records on 23 August 1975 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
23 August 1975	Cambridge Galt Moe, CA	daily rain	71.1 mm (2.8 in)	54.6 mm (2.1 in)	88 years	74 of 100 (Major)
23 August 1975	Mather 3 NW, US	all-time rain	141.0 mm (5.6 in)	36.1 mm (1.4 in)	49 years	67 of 100 (Major)
23 August 1975	Blair, US	all-time rain	154.4 mm (6.1 in)	47.2 mm (1.9 in)	20 years	63 of 100 (Major)
23 August 1975	Hartford Wwtp, US	daily rain	52.1 mm (2.1 in)	34.3 mm (1.4 in)	79 years	63 of 100 (Major)
23 August 1975	Kitchener, CA	daily rain	101.1 mm (4.0 in)	68.1 mm (2.7 in)	48 years	60 of 100 (Major)
23 August 1975	Forks 1 E, US	daily rain	53.3 mm (2.1 in)	33.2 mm (1.3 in)	44 years	59 of 100 (Notable)
23 August 1975	Pomeroy, US	daily rain	26.7 mm (1.1 in)	22.4 mm (0.9 in)	37 years	59 of 100 (Notable)
23 August 1975	Kewaunee, US	daily rain	50.8 mm (2.0 in)	41.9 mm (1.6 in)	46 years	59 of 100 (Notable)
23 August 1975	Port Angeles, US	monthly rain	38.6 mm (1.5 in)	21.6 mm (0.9 in)	10 years	57 of 100 (Notable)
23 August 1975	Sappho 8 E, US	monthly rain	74.7 mm (2.9 in)	34.6 mm (1.4 in)	10 years	57 of 100 (Notable)
23 August 1975	Moscow U of I, US	daily rain	30.2 mm (1.2 in)	15.5 mm (0.6 in)	68 years	56 of 100 (Notable)
23 August 1975	Hope A, CA	monthly rain	49.5 mm (1.9 in)	19.8 mm (0.8 in)	14 years	55 of 100 (Notable)
23 August 1975	Brodribb River, AU	daily rain	68.4 mm (2.7 in)	44.0 mm (1.7 in)	24 years	54 of 100 (Notable)
23 August 1975	Anacortes, US	monthly rain	40.4 mm (1.6 in)	9.4 mm (0.37 in)	63 years	53 of 100 (Notable)
23 August 1975	Port Stanley, CA	daily rain	53.3 mm (2.1 in)	27.9 mm (1.1 in)	57 years	52 of 100 (Notable)
23 August 1975	Wisconsin Rapids, US	daily rain	89.2 mm (3.5 in)	71.7 mm (2.8 in)	17 years	52 of 100 (Notable)
23 August 1975	Carway, CA	daily rain	41.4 mm (1.6 in)	26.2 mm (1.0 in)	49 years	50 of 100 (Notable)
23 August 1975	Ridgetown, CA	daily rain	39.1 mm (1.5 in)	17.5 mm (0.7 in)	87 years	49 of 100 (Notable)
23 August 1975	Angleton 2 W, US	daily rain	94.0 mm (3.7 in)	42.9 mm (1.7 in)	60 years	48 of 100 (Notable)
23 August 1975	Hatfield, US	monthly rain	106.4 mm (4.2 in)	23.8 mm (0.9 in)	49 years	48 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

1802 to 1975

Records set or tied on this calendar date in each year from 1802 to 1975. 1975 had 627 records.

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

Records on 08-23 in each year
Year	Records
1802	1
1805	1
1813	2
1816	2
1817	1
1818	1
1829	1
1839	3
1840	1
1846	1
1847	1
1848	1
1853	2
1857	1
1858	1
1864	1
1867	1
1869	1
1870	1
1871	1
1874	2
1877	2
1881	1
1882	2
1883	1
1884	2
1886	1
1887	2
1890	3
1891	4
1892	4
1893	4
1894	2
1895	3
1896	6
1897	1
1898	8
1899	8
1900	2
1901	10
1902	9
1903	9
1904	6
1905	8
1906	27
1907	15
1908	18
1909	10
1910	15
1911	23
1912	44
1913	9
1914	23
1915	63
1916	23
1917	26
1918	91
1919	24
1920	102
1921	280
1922	58
1923	284
1924	127
1925	182
1926	99
1927	198
1928	196
1929	240
1930	432
1931	412
1932	211
1933	342
1934	308
1935	220
1936	980
1937	522
1938	654
1939	439
1940	535
1941	375
1942	540
1943	505
1944	578
1945	338
1946	416
1947	1,071
1948	594
1949	456
1950	461
1951	347
1952	456
1953	292
1954	438
1955	375
1956	501
1957	645
1958	402
1959	494
1960	806
1961	644
1962	364
1963	380
1964	724
1965	357
1966	802
1967	541
1968	1,384
1969	728
1970	518
1971	610
1972	614
1973	650
1974	612
1975	627
1976	703
1977	557
1978	577
1979	459
1980	552
1981	663
1982	713
1983	1,264
1984	862
1985	1,187
1986	839
1987	1,119
1988	1,604
1989	902
1990	661
1991	697
1992	1,291
1993	796
1994	738
1995	1,212
1996	1,161
1997	1,599
1998	1,138
1999	802
2000	936
2001	834
2002	931
2003	1,103
2004	862
2005	786
2006	728
2007	1,513
2008	966
2009	1,241
2010	1,244
2011	1,412
2012	688
2013	397
2014	960
2015	673
2016	595
2017	543
2018	479
2019	445
2020	1,093
2021	629
2022	781
2023	1,287
2024	1,150
2025	1,295
2026	592

Download the Data

Data for records on 1975-08-23: 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 10	407
10 to 20	67
20 to 30	26
30 to 40	11
40 to 50	5
50 to 60	2
60 to 70	1
70 to 80	1