Weather Records on 23 July 1978

1,064 weather records were set or tied worldwide on 23 July 1978. Highest significance: Callaghan Creek Station, AU.

Key Facts for 23 July 1978

On 23 July 1978, 1,064 weather records were set or tied at long-record stations worldwide.
338 were record highs and 320 were record lows, counting maximum and minimum temperature.
By timescale, 10 were all-time records, 22 monthly and 1,032 daily.
Callaghan Creek Station set an all-time record daily precipitation of 166.0 mm (6.5 in) on 23 July 1978.
Across 167 earlier years (1794 to 2026) the same calendar date averaged 445 records.

Record Map

1,064 stations

1,064 station records on 23 July 1978 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 23 July 1978: highest significance records shown on the map
Station	Country	Type	Value	Significance
Callaghan Creek Station	Australia	Record daily precipitation	166.0 mm (6.5 in)	79 of 100 (Major)
Corowa Airport	Australia	Record daily precipitation	42.0 mm (1.7 in)	71 of 100 (Major)
Bredasdorp	South Africa	Record daily precipitation	46.0 mm (1.8 in)	67 of 100 (Major)
Jindera (Wadilock)	Australia	Record daily precipitation	41.2 mm (1.6 in)	66 of 100 (Major)
Houlton	United States	Record daily precipitation	53.3 mm (2.1 in)	60 of 100 (Major)
Kergunyah South	Australia	Record daily precipitation	70.0 mm (2.8 in)	56 of 100 (Notable)
Tallangatta Dcnr	Australia	Record daily precipitation	58.2 mm (2.3 in)	56 of 100 (Notable)
Tallangatta (Bullioh)	Australia	Record daily precipitation	58.2 mm (2.3 in)	54 of 100 (Notable)
Bairro Alto	Brazil	Record daily precipitation	29.5 mm (1.2 in)	54 of 100 (Notable)
Protem	South Africa	Record daily precipitation	40.1 mm (1.6 in)	54 of 100 (Notable)
Deniliquin (Wilkinson St)	Australia	Record daily precipitation	46.0 mm (1.8 in)	53 of 100 (Notable)
Arcade	United States	Record high minimum temperature	22.8 C (73.0 F)	53 of 100 (Notable)
Indigo	Australia	Record daily precipitation	51.0 mm (2.0 in)	52 of 100 (Notable)
Springhurst	Australia	Record daily precipitation	43.4 mm (1.7 in)	51 of 100 (Notable)
Hume Reservoir	Australia	Record daily precipitation	51.0 mm (2.0 in)	50 of 100 (Notable)
Manistique Wwtp	United States	Record daily precipitation	37.8 mm (1.5 in)	50 of 100 (Notable)
Crossroads 2	United States	Record daily precipitation	52.1 mm (2.1 in)	50 of 100 (Notable)
Itupeva	Brazil	Record daily precipitation	48.6 mm (1.9 in)	49 of 100 (Notable)
Mys Yelizavety	Russia	Record daily precipitation	82.8 mm (3.3 in)	49 of 100 (Notable)
Salto Grande (Cpfl)	Brazil	Record daily precipitation	43.7 mm (1.7 in)	48 of 100 (Notable)
Kolchugino	Russia	Record daily precipitation	34.2 mm (1.3 in)	48 of 100 (Notable)
Biritiba Mirim	Brazil	Record daily precipitation	40.0 mm (1.6 in)	47 of 100 (Notable)
Sao Francisco Xavier	Brazil	Record daily precipitation	31.5 mm (1.2 in)	47 of 100 (Notable)
Wangaratta	Australia	Record daily precipitation	25.6 mm (1.0 in)	46 of 100 (Notable)
Wodonga Express	Australia	Record daily precipitation	56.4 mm (2.2 in)	46 of 100 (Notable)
Sao Caetano Do Sul	Brazil	Record daily precipitation	40.5 mm (1.6 in)	45 of 100 (Notable)
Praha-Klementinum	Czech Republic	Record low minimum temperature	9.3 C (48.7 F)	45 of 100 (Notable)
Uruapan (Smn)	Mexico	Record daily precipitation	154.9 mm (6.1 in)	44 of 100 (Notable)
La Grange	United States	Record daily precipitation	46.2 mm (1.8 in)	44 of 100 (Notable)
Sunny Corner (Snow Line)	Australia	Record daily precipitation	35.0 mm (1.4 in)	43 of 100 (Notable)
Wakool (Barratta)	Australia	Record daily precipitation	29.6 mm (1.2 in)	43 of 100 (Notable)
Wooragee	Australia	Record daily precipitation	51.2 mm (2.0 in)	43 of 100 (Notable)
Sao Paulo (Aeroport	Brazil	Record daily precipitation	33.9 mm (1.3 in)	43 of 100 (Notable)
Gorlitz	Germany	Record low minimum temperature	6.4 C (43.5 F)	43 of 100 (Notable)
Bambui	Brazil	Record daily precipitation	26.0 mm (1.0 in)	42 of 100 (Notable)
Freguesia da Escada	Brazil	Record daily precipitation	37.6 mm (1.5 in)	42 of 100 (Notable)
Beechworth Composite	Australia	Record daily precipitation	53.2 mm (2.1 in)	41 of 100 (Notable)
Rutherglen Research	Australia	Record daily precipitation	42.6 mm (1.7 in)	41 of 100 (Notable)
Franco da Rocha (Hosp.Juqueri)	Brazil	Record daily precipitation	36.3 mm (1.4 in)	41 of 100 (Notable)
Bamberg	Germany	Record low minimum temperature	5.9 C (42.6 F)	41 of 100 (Notable)
Nercinsk	Russia	Record daily precipitation	42.9 mm (1.7 in)	41 of 100 (Notable)
Emory	United States	Record daily precipitation	80.5 mm (3.2 in)	41 of 100 (Notable)
Usina Americana (Cpfl)	Brazil	Record daily precipitation	37.9 mm (1.5 in)	40 of 100 (Notable)
Brandon Cda	Canada	Record low minimum temperature	3.0 C (37.4 F)	40 of 100 (Notable)
Middletown 4 W	United States	Record high minimum temperature	24.4 C (75.9 F)	40 of 100 (Notable)
Winona	United States	Record low maximum temperature	20.0 C (68.0 F)	40 of 100 (Notable)
Sloan 3 S	United States	Record high minimum temperature	26.1 C (79.0 F)	40 of 100 (Notable)
Boorhaman	Australia	Record daily precipitation	35.2 mm (1.4 in)	39 of 100 (Notable)
Garca	Brazil	Record daily precipitation	61.2 mm (2.4 in)	39 of 100 (Notable)
Fazenda Santo Angelo	Brazil	Record daily precipitation	31.6 mm (1.2 in)	39 of 100 (Notable)
Dona Catarina	Brazil	Record daily precipitation	38.8 mm (1.5 in)	39 of 100 (Notable)
Grenfell	Canada	Record daily precipitation	32.0 mm (1.3 in)	39 of 100 (Notable)
Zjulzja	Russia	Record daily precipitation	51.2 mm (2.0 in)	39 of 100 (Notable)
Red Bluff Dam	United States	Record daily precipitation	82.6 mm (3.3 in)	39 of 100 (Notable)
Howlong Post Office	Australia	Record daily precipitation	47.8 mm (1.9 in)	38 of 100 (Notable)
Pedro Beicht	Brazil	Record daily precipitation	25.8 mm (1.0 in)	38 of 100 (Notable)
Hawkins	United States	Record daily precipitation	50.8 mm (2.0 in)	38 of 100 (Notable)
Medford	United States	Record low maximum temperature	15.6 C (60.1 F)	38 of 100 (Notable)
Natividade da Serra	Brazil	Record daily precipitation	25.7 mm (1.0 in)	37 of 100 (Notable)
Monte Belo	Brazil	Record daily precipitation	28.4 mm (1.1 in)	37 of 100 (Notable)

Counts by Type and Timescale

1,064 records

Records set or tied on 23 July 1978 by type: Highest daily maximum 110, Lowest daily maximum 138, Highest daily minimum 228, Lowest daily minimum 182, Heaviest daily rainfall 406.

Records on 23 July 1978 by type
Record type	Records
Highest daily maximum	110
Lowest daily maximum	138
Highest daily minimum	228
Lowest daily minimum	182
Heaviest daily rainfall	406
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 23 July 1978 by timescale: all-time 10, monthly 22, daily 1,032.

How Much Records Were Beaten By

850 broken records

Margins by which the 850 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 55.3. Ties are not counted.

Top 20 by Significance

23 July 1978

Top 20 records on 23 July 1978 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
23 July 1978	Callaghan Creek Station, AU	all-time rain	166.0 mm (6.5 in)	41.5 mm (1.6 in)	58 years	79 of 100 (Major)
23 July 1978	Corowa Airport, AU	daily rain	42.0 mm (1.7 in)	29.8 mm (1.2 in)	79 years	71 of 100 (Major)
23 July 1978	Bredasdorp, ZA	daily rain	46.0 mm (1.8 in)	28.2 mm (1.1 in)	64 years	67 of 100 (Major)
23 July 1978	Jindera (Wadilock), AU	daily rain	41.2 mm (1.6 in)	23.7 mm (0.9 in)	79 years	66 of 100 (Major)
23 July 1978	Houlton, US	daily rain	53.3 mm (2.1 in)	33.5 mm (1.3 in)	60 years	60 of 100 (Major)
23 July 1978	Kergunyah South, AU	daily rain	70.0 mm (2.8 in)	42.6 mm (1.7 in)	24 years	56 of 100 (Notable)
23 July 1978	Tallangatta Dcnr, AU	daily rain	58.2 mm (2.3 in)	36.9 mm (1.5 in)	24 years	56 of 100 (Notable)
23 July 1978	Tallangatta (Bullioh), AU	daily rain	58.2 mm (2.3 in)	38.6 mm (1.5 in)	16 years	54 of 100 (Notable)
23 July 1978	Bairro Alto, BR	daily rain	29.5 mm (1.2 in)	25.1 mm (1.0 in)	37 years	54 of 100 (Notable)
23 July 1978	Protem, ZA	daily rain	40.1 mm (1.6 in)	28.4 mm (1.1 in)	31 years	54 of 100 (Notable)
23 July 1978	Deniliquin (Wilkinson St), AU	monthly rain	46.0 mm (1.8 in)	3.8 mm (0.15 in)	87 years	53 of 100 (Notable)
23 July 1978	Arcade, US	all-time high min	22.8 C (73.0 F)	0.6 C (1.1 F)	80 years	53 of 100 (Notable)
23 July 1978	Indigo, AU	daily rain	51.0 mm (2.0 in)	29.2 mm (1.1 in)	16 years	52 of 100 (Notable)
23 July 1978	Springhurst, AU	daily rain	43.4 mm (1.7 in)	26.6 mm (1.0 in)	24 years	51 of 100 (Notable)
23 July 1978	Hume Reservoir, AU	daily rain	51.0 mm (2.0 in)	28.1 mm (1.1 in)	16 years	50 of 100 (Notable)
23 July 1978	Manistique Wwtp, US	daily rain	37.8 mm (1.5 in)	31.4 mm (1.2 in)	40 years	50 of 100 (Notable)
23 July 1978	Crossroads 2, US	daily rain	52.1 mm (2.1 in)	39.9 mm (1.6 in)	44 years	50 of 100 (Notable)
23 July 1978	Itupeva, BR	daily rain	48.6 mm (1.9 in)	41.2 mm (1.6 in)	21 years	49 of 100 (Notable)
23 July 1978	Mys Yelizavety, RU	daily rain	82.8 mm (3.3 in)	55.3 mm (2.2 in)	16 years	49 of 100 (Notable)
23 July 1978	Salto Grande (Cpfl), BR	daily rain	43.7 mm (1.7 in)	36.5 mm (1.4 in)	39 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

1794 to 1978

Records set or tied on this calendar date in each year from 1794 to 1978. 1978 had 1,064 records.

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

Records on 07-23 in each year
Year	Records
1794	2
1797	1
1804	1
1810	1
1811	2
1832	1
1835	1
1836	2
1838	1
1845	1
1846	2
1851	1
1852	1
1855	2
1856	1
1859	1
1860	1
1861	1
1863	1
1867	1
1868	5
1870	1
1873	2
1875	2
1877	1
1879	2
1880	2
1882	1
1883	1
1884	1
1885	5
1886	1
1887	2
1888	1
1889	5
1890	4
1894	3
1895	7
1896	4
1898	9
1899	5
1900	8
1901	10
1902	6
1903	4
1904	18
1905	11
1906	19
1907	9
1908	15
1909	27
1910	54
1911	37
1912	43
1913	36
1914	59
1915	35
1916	34
1917	42
1918	96
1919	26
1920	40
1921	221
1922	113
1923	104
1924	158
1925	173
1926	266
1927	308
1928	146
1929	174
1930	214
1931	334
1932	232
1933	432
1934	898
1935	329
1936	403
1937	319
1938	354
1939	277
1940	494
1941	292
1942	265
1943	245
1944	350
1945	239
1946	531
1947	1,240
1948	610
1949	453
1950	500
1951	422
1952	788
1953	660
1954	545
1955	585
1956	402
1957	513
1958	633
1959	606
1960	568
1961	937
1962	465
1963	490
1964	373
1965	368
1966	368
1967	347
1968	480
1969	436
1970	935
1971	648
1972	640
1973	798
1974	578
1975	359
1976	425
1977	570
1978	1,064
1979	648
1980	703
1981	1,030
1982	594
1983	1,324
1984	980
1985	711
1986	1,239
1987	1,164
1988	1,124
1989	868
1990	1,033
1991	1,050
1992	1,469
1993	1,466
1994	1,215
1995	827
1996	1,227
1997	1,088
1998	885
1999	846
2000	1,225
2001	1,242
2002	875
2003	1,649
2004	1,148
2005	997
2006	1,757
2007	1,262
2008	1,057
2009	1,069
2010	1,627
2011	1,907
2012	822
2013	648
2014	783
2015	559
2016	760
2017	517
2018	873
2019	786
2020	514
2021	506
2022	707
2023	629
2024	798
2025	917
2026	788

Download the Data

Data for records on 1978-07-23: 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).

Histogram of margins by which records were beaten on 23 July 1978
Margin	Records
0 to 10	692
10 to 20	88
20 to 30	48
30 to 40	14
40 to 50	7
50 to 60	1