Weather Records on 25 August 1978

702 weather records were set or tied worldwide on 25 August 1978. Highest significance: Parnu, EE.

Key Facts for 25 August 1978

On 25 August 1978, 702 weather records were set or tied at long-record stations worldwide.
199 were record highs and 241 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 25 monthly and 677 daily.
Parnu set a daily record precipitation of 42.6 mm (1.7 in) on 25 August 1978.
Across 168 earlier years (1796 to 2026) the same calendar date averaged 436 records.

Record Map

702 stations

702 station records on 25 August 1978 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 25 August 1978: highest significance records shown on the map
Station	Country	Type	Value	Significance
Parnu	Estonia	Record daily precipitation	42.6 mm (1.7 in)	57 of 100 (Notable)
Venterstad	South Africa	Record daily precipitation	29.0 mm (1.1 in)	54 of 100 (Notable)
Doornpoort	South Africa	Record daily precipitation	25.2 mm (1.0 in)	51 of 100 (Notable)
Keg River	Canada	Record daily precipitation	44.5 mm (1.8 in)	49 of 100 (Notable)
Hanover (Pol)	South Africa	Record daily precipitation	32.0 mm (1.3 in)	45 of 100 (Notable)
Papkuil	South Africa	Record daily precipitation	26.0 mm (1.0 in)	45 of 100 (Notable)
Svalov	Sweden	Record daily precipitation	30.1 mm (1.2 in)	45 of 100 (Notable)
Berkeley	United States	Record high minimum temperature	16.7 C (62.1 F)	45 of 100 (Notable)
Mt Locke	United States	Record daily precipitation	68.6 mm (2.7 in)	45 of 100 (Notable)
The Warriups	Australia	Record daily precipitation	31.0 mm (1.2 in)	44 of 100 (Notable)
Puruandiro	Mexico	Record daily precipitation	62.0 mm (2.4 in)	44 of 100 (Notable)
Moncegorsk	Russia	Record daily precipitation	25.3 mm (1.0 in)	43 of 100 (Notable)
Marydale (Pol)	South Africa	Record daily precipitation	35.0 mm (1.4 in)	42 of 100 (Notable)
Parrsboro	Canada	Record low minimum temperature	0.5 C (32.9 F)	39 of 100 (Notable)
Skilderkrans	South Africa	Record daily precipitation	26.6 mm (1.0 in)	39 of 100 (Notable)
Rouxville (Pol)	South Africa	Record daily precipitation	27.0 mm (1.1 in)	39 of 100 (Notable)
Coloso	Puerto Rico [United States]	Record low maximum temperature	30.0 C (86.0 F)	38 of 100 (Notable)
Pointe Au Pere	Canada	Record low minimum temperature	2.8 C (37.0 F)	37 of 100 (Notable)
Barrage Mattawin	Canada	Record low minimum temperature	-3.9 C (25.0 F)	37 of 100 (Notable)
Macknade Sugar Mill	Australia	Record daily precipitation	35.4 mm (1.4 in)	36 of 100 (Notable)
Charlottetown Cda	Canada	Record low minimum temperature	4.5 C (40.1 F)	35 of 100 (Notable)
Nikolskoye/Beringa Ostrov	Russia	Record daily precipitation	25.8 mm (1.0 in)	35 of 100 (Notable)
Frederick Police Brks	United States	Record high minimum temperature	23.9 C (75.0 F)	35 of 100 (Notable)
Camargo (Smn)	Mexico	Record daily precipitation	41.9 mm (1.6 in)	34 of 100 (Routine)
Carrollton Lock 1	United States	Record high minimum temperature	24.4 C (75.9 F)	34 of 100 (Routine)
The Dalles	United States	Record low maximum temperature	18.3 C (64.9 F)	34 of 100 (Routine)
Cavendish	United States	Record daily precipitation	27.4 mm (1.1 in)	34 of 100 (Routine)
Willmar	Canada	Record daily precipitation	52.8 mm (2.1 in)	33 of 100 (Routine)
Gravette	United States	Record high minimum temperature	23.9 C (75.0 F)	33 of 100 (Routine)
New Hampton	United States	Record high minimum temperature	21.7 C (71.1 F)	33 of 100 (Routine)
Houlton	United States	Record low minimum temperature	0.0 C (32.0 F)	33 of 100 (Routine)
Marion	United States	Record high minimum temperature	21.1 C (70.0 F)	33 of 100 (Routine)
Houston Wb City	United States	Record high minimum temperature	26.1 C (79.0 F)	33 of 100 (Routine)
Mould Bay A	Canada	Record daily snowfall	6.5 cm (2.6 in)	32 of 100 (Routine)
Estevan A	Canada	Record daily precipitation	41.0 mm (1.6 in)	32 of 100 (Routine)
Lovsta	Sweden	Record daily precipitation	35.2 mm (1.4 in)	32 of 100 (Routine)
Redding Fire STN 2	United States	Record low maximum temperature	27.2 C (81.0 F)	32 of 100 (Routine)
Castle Rock	United States	Record high minimum temperature	15.0 C (59.0 F)	32 of 100 (Routine)
Greensboro AP	United States	Record daily precipitation	45.2 mm (1.8 in)	32 of 100 (Routine)
Sussex	Canada	Record low minimum temperature	0.5 C (32.9 F)	31 of 100 (Routine)
Mt Pleasant 1 SW	United States	Record daily precipitation	49.5 mm (1.9 in)	31 of 100 (Routine)
Ojo Caliente	Mexico	Record daily precipitation	42.9 mm (1.7 in)	29 of 100 (Routine)
Gyshgy	Turkmenistan	Record low minimum temperature	9.6 C (49.3 F)	29 of 100 (Routine)
Haverhill	United States	Record low maximum temperature	18.9 C (66.0 F)	29 of 100 (Routine)
Lake Placid 2 S	United States	Record low maximum temperature	12.8 C (55.0 F)	29 of 100 (Routine)
Finnbacka_D	Sweden	Record daily precipitation	38.0 mm (1.5 in)	28 of 100 (Routine)
Merced	United States	Record low minimum temperature	7.2 C (45.0 F)	28 of 100 (Routine)
Havana	United States	Record daily precipitation	41.4 mm (1.6 in)	28 of 100 (Routine)
Garnett 1 E	United States	Record high maximum temperature	39.4 C (102.9 F)	28 of 100 (Routine)
Yates Ctr	United States	Record high maximum temperature	39.4 C (102.9 F)	28 of 100 (Routine)
Old Forge	United States	Record low maximum temperature	14.4 C (57.9 F)	28 of 100 (Routine)
Watertown	United States	Record low maximum temperature	16.7 C (62.1 F)	28 of 100 (Routine)
Clear Lake	United States	Record high minimum temperature	18.9 C (66.0 F)	28 of 100 (Routine)
Peru	United States	Record daily precipitation	46.2 mm (1.8 in)	28 of 100 (Routine)
South Londonderry	United States	Record daily precipitation	37.3 mm (1.5 in)	28 of 100 (Routine)
Schenectady	United States	Record low maximum temperature	15.0 C (59.0 F)	28 of 100 (Routine)
Texarkana Webb Fld	United States	Record high minimum temperature	26.1 C (79.0 F)	28 of 100 (Routine)
Fayetteville Exp STN	United States	Record high minimum temperature	25.0 C (77.0 F)	27 of 100 (Routine)
East Park Rsvr	United States	Record low maximum temperature	23.9 C (75.0 F)	27 of 100 (Routine)
Woodland	United States	Record low minimum temperature	2.2 C (36.0 F)	27 of 100 (Routine)

Counts by Type and Timescale

702 records

Records set or tied on 25 August 1978 by type: Highest daily maximum 74, Lowest daily maximum 95, Highest daily minimum 125, Lowest daily minimum 146, Heaviest daily rainfall 261, Heaviest daily snowfall 1.

Records on 25 August 1978 by type
Record type	Records
Highest daily maximum	74
Lowest daily maximum	95
Highest daily minimum	125
Lowest daily minimum	146
Heaviest daily rainfall	261
Heaviest daily snowfall	1
Deepest snow cover	0

Records on 25 August 1978 by timescale: all-time 0, monthly 25, daily 677.

How Much Records Were Beaten By

542 broken records

Margins by which the 542 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 50.0. Ties are not counted.

Top 20 by Significance

25 August 1978

Top 20 records on 25 August 1978 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
25 August 1978	Parnu, EE	daily rain	42.6 mm (1.7 in)	17.8 mm (0.7 in)	71 years	57 of 100 (Notable)
25 August 1978	Venterstad, ZA	daily rain	29.0 mm (1.1 in)	20.6 mm (0.8 in)	84 years	54 of 100 (Notable)
25 August 1978	Doornpoort, ZA	daily rain	25.2 mm (1.0 in)	25.2 mm (1.0 in)	48 years	51 of 100 (Notable)
25 August 1978	Keg River, CA	daily rain	44.5 mm (1.8 in)	28.0 mm (1.1 in)	19 years	49 of 100 (Notable)
25 August 1978	Hanover (Pol), ZA	daily rain	32.0 mm (1.3 in)	8.1 mm (0.32 in)	90 years	45 of 100 (Notable)
25 August 1978	Papkuil, ZA	daily rain	26.0 mm (1.0 in)	26.0 mm (1.0 in)	57 years	45 of 100 (Notable)
25 August 1978	Svalov, SE	daily rain	30.1 mm (1.2 in)	19.6 mm (0.8 in)	29 years	45 of 100 (Notable)
25 August 1978	Berkeley, US	daily high min	16.7 C (62.1 F)	1.7 C (3.1 F)	81 years	45 of 100 (Notable)
25 August 1978	Mt Locke, US	daily rain	68.6 mm (2.7 in)	42.9 mm (1.7 in)	4 years	45 of 100 (Notable)
25 August 1978	The Warriups, AU	daily rain	31.0 mm (1.2 in)	18.0 mm (0.7 in)	28 years	44 of 100 (Notable)
25 August 1978	Puruandiro, MX	daily rain	62.0 mm (2.4 in)	40.2 mm (1.6 in)	5 years	44 of 100 (Notable)
25 August 1978	Moncegorsk, RU	daily rain	25.3 mm (1.0 in)	15.8 mm (0.6 in)	32 years	43 of 100 (Notable)
25 August 1978	Marydale (Pol), ZA	monthly rain	35.0 mm (1.4 in)	7.8 mm (0.31 in)	49 years	42 of 100 (Notable)
25 August 1978	Parrsboro, CA	daily low min	0.5 C (32.9 F)	2.8 C (5.0 F)	80 years	39 of 100 (Notable)
25 August 1978	Skilderkrans, ZA	daily rain	26.6 mm (1.0 in)	26.6 mm (1.0 in)	44 years	39 of 100 (Notable)
25 August 1978	Rouxville (Pol), ZA	daily rain	27.0 mm (1.1 in)	24.7 mm (1.0 in)	28 years	39 of 100 (Notable)
25 August 1978	Coloso, PR	daily low max	30.0 C (86.0 F)	1.1 C (2.0 F)	68 years	38 of 100 (Notable)
25 August 1978	Pointe Au Pere, CA	daily low min	2.8 C (37.0 F)	0.5 C (0.9 F)	88 years	37 of 100 (Notable)
25 August 1978	Barrage Mattawin, CA	monthly low min	-3.9 C (25.0 F)	3.9 C (7.0 F)	44 years	37 of 100 (Notable)
25 August 1978	Macknade Sugar Mill, AU	daily rain	35.4 mm (1.4 in)	13.3 mm (0.5 in)	53 years	36 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

1796 to 1978

Records set or tied on this calendar date in each year from 1796 to 1978. 1978 had 702 records.

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

Records on 08-25 in each year
Year	Records
1796	1
1801	1
1802	1
1807	2
1809	1
1813	1
1814	1
1816	1
1818	2
1837	1
1838	2
1839	1
1848	1
1852	1
1855	2
1859	1
1861	2
1864	1
1867	2
1869	1
1870	1
1871	2
1872	2
1875	1
1876	5
1877	3
1879	3
1880	2
1884	1
1885	2
1886	1
1887	1
1889	1
1890	3
1892	4
1893	8
1894	2
1895	4
1896	2
1897	2
1898	2
1899	5
1900	13
1901	11
1902	6
1903	13
1904	11
1905	12
1906	29
1907	15
1908	13
1909	22
1910	32
1911	32
1912	32
1913	31
1914	30
1915	94
1916	18
1917	65
1918	37
1919	172
1920	174
1921	50
1922	70
1923	117
1924	402
1925	145
1926	224
1927	356
1928	167
1929	174
1930	247
1931	251
1932	270
1933	307
1934	457
1935	317
1936	859
1937	333
1938	620
1939	366
1940	658
1941	474
1942	514
1943	496
1944	589
1945	462
1946	305
1947	627
1948	876
1949	281
1950	327
1951	352
1952	585
1953	461
1954	520
1955	711
1956	273
1957	479
1958	958
1959	576
1960	585
1961	487
1962	398
1963	510
1964	557
1965	401
1966	715
1967	439
1968	596
1969	631
1970	721
1971	628
1972	596
1973	537
1974	466
1975	650
1976	459
1977	731
1978	702
1979	828
1980	750
1981	671
1982	907
1983	1,277
1984	694
1985	1,048
1986	778
1987	1,533
1988	815
1989	918
1990	817
1991	688
1992	1,680
1993	1,137
1994	617
1995	1,206
1996	1,058
1997	1,553
1998	1,138
1999	895
2000	790
2001	1,021
2002	1,073
2003	872
2004	947
2005	874
2006	1,020
2007	1,345
2008	1,026
2009	824
2010	1,321
2011	1,332
2012	709
2013	619
2014	853
2015	1,157
2016	887
2017	432
2018	438
2019	708
2020	931
2021	597
2022	672
2023	1,565
2024	909
2025	1,071
2026	886

Download the Data

Data for records on 1978-08-25: 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).

Histogram of margins by which records were beaten on 25 August 1978
Margin	Records
0 to 10	475
10 to 20	49
20 to 30	15
30 to 40	0
40 to 50	3