Weather Records on 23 August 1978

577 weather records were set or tied worldwide on 23 August 1978. Highest significance: Cloquet, US.

Key Facts for 23 August 1978

On 23 August 1978, 577 weather records were set or tied at long-record stations worldwide.
154 were record highs and 204 were record lows, counting maximum and minimum temperature.
By timescale, 5 were all-time records, 19 monthly and 553 daily.
Cloquet set an all-time record daily precipitation of 142.7 mm (5.6 in) on 23 August 1978.
Across 164 earlier years (1802 to 2026) the same calendar date averaged 443 records.

Record Map

577 stations

577 station records on 23 August 1978 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 23 August 1978: highest significance records shown on the map
Station	Country	Type	Value	Significance
Cloquet	United States	Record daily precipitation	142.7 mm (5.6 in)	75 of 100 (Major)
Sandy Lake Dam Libby	United States	Record daily precipitation	99.6 mm (3.9 in)	71 of 100 (Major)
Bergland Dam	United States	Record daily precipitation	75.7 mm (3.0 in)	68 of 100 (Major)
Walker	United States	Record daily precipitation	110.5 mm (4.4 in)	67 of 100 (Major)
Karasjok	Norway	Record daily precipitation	32.5 mm (1.3 in)	64 of 100 (Major)
Gigant	Russia	Record daily precipitation	72.5 mm (2.9 in)	63 of 100 (Major)
Ft Myers Page Fld AP	United States	Record daily precipitation	115.8 mm (4.6 in)	63 of 100 (Major)
Two Harbors	United States	Record daily precipitation	56.4 mm (2.2 in)	59 of 100 (Notable)
Winnibigoshish Dam	United States	Record daily precipitation	70.6 mm (2.8 in)	58 of 100 (Notable)
Uniondale (Tnk)	South Africa	Record daily precipitation	39.7 mm (1.6 in)	56 of 100 (Notable)
Verkykerskop (Pol)	South Africa	Record daily precipitation	32.0 mm (1.3 in)	55 of 100 (Notable)
Leech Lake	United States	Record daily precipitation	84.1 mm (3.3 in)	55 of 100 (Notable)
Karesuando	Sweden	Record daily precipitation	50.1 mm (2.0 in)	54 of 100 (Notable)
Hayward Rs	United States	Record daily precipitation	97.0 mm (3.8 in)	54 of 100 (Notable)
Park Rapids Muni AP	United States	Record daily precipitation	99.1 mm (3.9 in)	54 of 100 (Notable)
Manistique Wwtp	United States	Record daily precipitation	64.8 mm (2.6 in)	52 of 100 (Notable)
Ashland Exp Farm	United States	Record daily precipitation	124.0 mm (4.9 in)	52 of 100 (Notable)
Flambeau Rsvr	United States	Record daily precipitation	127.5 mm (5.0 in)	52 of 100 (Notable)
Ovre_Soppero	Sweden	Record daily precipitation	41.5 mm (1.6 in)	51 of 100 (Notable)
Watersmeet	United States	Record daily precipitation	83.8 mm (3.3 in)	51 of 100 (Notable)
Moose Lake 1 SSE	United States	Record daily precipitation	97.8 mm (3.9 in)	50 of 100 (Notable)
Danbury	United States	Record daily precipitation	81.3 mm (3.2 in)	50 of 100 (Notable)
Aitkin 2E	United States	Record daily precipitation	82.8 mm (3.3 in)	49 of 100 (Notable)
Brule Rs	United States	Record daily precipitation	129.8 mm (5.1 in)	49 of 100 (Notable)
Mellen 4 NE	United States	Record daily precipitation	96.5 mm (3.8 in)	49 of 100 (Notable)
Ada	United States	Record daily precipitation	48.8 mm (1.9 in)	48 of 100 (Notable)
Itasca UNIV of Minn	United States	Record daily precipitation	73.7 mm (2.9 in)	48 of 100 (Notable)
Kenton	United States	Record daily precipitation	75.2 mm (3.0 in)	47 of 100 (Notable)
Ellendale	United States	Record daily precipitation	32.0 mm (1.3 in)	47 of 100 (Notable)
Detroit Lakes 1 NNE	United States	Record daily precipitation	89.4 mm (3.5 in)	44 of 100 (Notable)
St Andrews	Canada	Record high maximum temperature	30.5 C (86.9 F)	43 of 100 (Notable)
Cass Lake	United States	Record daily precipitation	92.2 mm (3.6 in)	43 of 100 (Notable)
Ironwood	United States	Record daily precipitation	74.9 mm (2.9 in)	42 of 100 (Notable)
Duluth	United States	Record daily precipitation	69.1 mm (2.7 in)	42 of 100 (Notable)
Tygerfontein	South Africa	Record daily precipitation	90.1 mm (3.5 in)	41 of 100 (Notable)
Sihccajavri	Norway	Record daily precipitation	25.4 mm (1.0 in)	40 of 100 (Notable)
Kljuchi	Russia	Record daily precipitation	77.6 mm (3.1 in)	40 of 100 (Notable)
Adams	United States	Record low minimum temperature	2.8 C (37.0 F)	40 of 100 (Notable)
Stambaugh 2SSE	United States	Record daily precipitation	74.4 mm (2.9 in)	40 of 100 (Notable)
Browning	United States	Record daily precipitation	27.2 mm (1.1 in)	40 of 100 (Notable)
Valier	United States	Record daily precipitation	25.1 mm (1.0 in)	40 of 100 (Notable)
Amenia	United States	Record daily precipitation	62.2 mm (2.4 in)	40 of 100 (Notable)
Madeline Is	United States	Record daily precipitation	76.2 mm (3.0 in)	40 of 100 (Notable)
Mc Leod 3 E	United States	Record daily precipitation	57.7 mm (2.3 in)	39 of 100 (Notable)
Solon Springs	United States	Record daily precipitation	144.8 mm (5.7 in)	39 of 100 (Notable)
Beaver Is	United States	Record daily precipitation	61.2 mm (2.4 in)	38 of 100 (Notable)
Crystal Falls	Canada	Record daily precipitation	36.6 mm (1.4 in)	36 of 100 (Notable)
La Labor (Smn)	Mexico	Record daily precipitation	63.8 mm (2.5 in)	36 of 100 (Notable)
Melbourne WFO	United States	Record high minimum temperature	27.2 C (81.0 F)	36 of 100 (Notable)
Malvern	United States	Record high maximum temperature	38.9 C (102.0 F)	35 of 100 (Notable)
Meadowlands 9 S	United States	Record daily precipitation	119.9 mm (4.7 in)	35 of 100 (Notable)
Minocqua	United States	Record daily precipitation	79.0 mm (3.1 in)	35 of 100 (Notable)
Ulysses 3NE	United States	Record high maximum temperature	41.1 C (106.0 F)	34 of 100 (Routine)
Crystal Falls 6 NE	United States	Record daily precipitation	64.8 mm (2.6 in)	34 of 100 (Routine)
Hawthorne AP	United States	Record low maximum temperature	25.6 C (78.1 F)	34 of 100 (Routine)
Marquette	United States	Record daily precipitation	37.8 mm (1.5 in)	34 of 100 (Routine)
Mecca Fire STN	United States	Record low minimum temperature	10.6 C (51.1 F)	33 of 100 (Routine)
Bastrop	United States	Record high maximum temperature	38.9 C (102.0 F)	33 of 100 (Routine)
Ishpeming	United States	Record daily precipitation	44.7 mm (1.8 in)	33 of 100 (Routine)
Bosque del Apache	United States	Record high minimum temperature	23.9 C (75.0 F)	33 of 100 (Routine)

Counts by Type and Timescale

577 records

Records set or tied on 23 August 1978 by type: Highest daily maximum 72, Lowest daily maximum 99, Highest daily minimum 82, Lowest daily minimum 105, Heaviest daily rainfall 218, Heaviest daily snowfall 1.

Records on 23 August 1978 by type
Record type	Records
Highest daily maximum	72
Lowest daily maximum	99
Highest daily minimum	82
Lowest daily minimum	105
Heaviest daily rainfall	218
Heaviest daily snowfall	1
Deepest snow cover	0

Records on 23 August 1978 by timescale: all-time 5, monthly 19, daily 553.

How Much Records Were Beaten By

459 broken records

Margins by which the 459 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 93.5. Ties are not counted.

Top 20 by Significance

23 August 1978

Top 20 records on 23 August 1978 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
23 August 1978	Cloquet, US	all-time rain	142.7 mm (5.6 in)	43.6 mm (1.7 in)	34 years	75 of 100 (Major)
23 August 1978	Sandy Lake Dam Libby, US	daily rain	99.6 mm (3.9 in)	67.8 mm (2.7 in)	78 years	71 of 100 (Major)
23 August 1978	Bergland Dam, US	daily rain	75.7 mm (3.0 in)	55.9 mm (2.2 in)	64 years	68 of 100 (Major)
23 August 1978	Walker, US	daily rain	110.5 mm (4.4 in)	90.4 mm (3.6 in)	68 years	67 of 100 (Major)
23 August 1978	Karasjok, NO	daily rain	32.5 mm (1.3 in)	23.5 mm (0.9 in)	56 years	64 of 100 (Major)
23 August 1978	Gigant, RU	monthly rain	72.5 mm (2.9 in)	28.0 mm (1.1 in)	31 years	63 of 100 (Major)
23 August 1978	Ft Myers Page Fld AP, US	daily rain	115.8 mm (4.6 in)	63.7 mm (2.5 in)	52 years	63 of 100 (Major)
23 August 1978	Two Harbors, US	daily rain	56.4 mm (2.2 in)	34.0 mm (1.3 in)	76 years	59 of 100 (Notable)
23 August 1978	Winnibigoshish Dam, US	daily rain	70.6 mm (2.8 in)	36.6 mm (1.4 in)	77 years	58 of 100 (Notable)
23 August 1978	Uniondale (Tnk), ZA	daily rain	39.7 mm (1.6 in)	23.4 mm (0.9 in)	77 years	56 of 100 (Notable)
23 August 1978	Verkykerskop (Pol), ZA	daily rain	32.0 mm (1.3 in)	26.7 mm (1.1 in)	56 years	55 of 100 (Notable)
23 August 1978	Leech Lake, US	daily rain	84.1 mm (3.3 in)	63.8 mm (2.5 in)	24 years	55 of 100 (Notable)
23 August 1978	Karesuando, SE	daily rain	50.1 mm (2.0 in)	24.5 mm (1.0 in)	13 years	54 of 100 (Notable)
23 August 1978	Hayward Rs, US	daily rain	97.0 mm (3.8 in)	58.6 mm (2.3 in)	20 years	54 of 100 (Notable)
23 August 1978	Park Rapids Muni AP, US	daily rain	99.1 mm (3.9 in)	77.5 mm (3.1 in)	20 years	54 of 100 (Notable)
23 August 1978	Manistique Wwtp, US	monthly rain	64.8 mm (2.6 in)	9.7 mm (0.38 in)	81 years	52 of 100 (Notable)
23 August 1978	Ashland Exp Farm, US	daily rain	124.0 mm (4.9 in)	93.5 mm (3.7 in)	16 years	52 of 100 (Notable)
23 August 1978	Flambeau Rsvr, US	monthly rain	127.5 mm (5.0 in)	42.2 mm (1.7 in)	25 years	52 of 100 (Notable)
23 August 1978	Ovre_Soppero, SE	daily rain	41.5 mm (1.6 in)	24.7 mm (1.0 in)	27 years	51 of 100 (Notable)
23 August 1978	Watersmeet, US	daily rain	83.8 mm (3.3 in)	50.8 mm (2.0 in)	16 years	51 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 1978

Records set or tied on this calendar date in each year from 1802 to 1978. 1978 had 577 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 1978-08-23: 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 20	411
20 to 40	27
40 to 60	11
60 to 80	8
80 to 100	2