Weather Records on 23 April 1978

523 weather records were set or tied worldwide on 23 April 1978. Highest significance: Tsolo, ZA.

Key Facts for 23 April 1978

On 23 April 1978, 523 weather records were set or tied at long-record stations worldwide.
48 were record highs and 270 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 9 monthly and 513 daily.
Tsolo set a monthly record daily precipitation of 102.5 mm (4.0 in) on 23 April 1978.
Across 167 earlier years (1800 to 2026) the same calendar date averaged 444 records.

Record Map

523 stations

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

Weather records on 23 April 1978: highest significance records shown on the map
Station	Country	Type	Value	Significance
Tsolo	South Africa	Record daily precipitation	102.5 mm (4.0 in)	61 of 100 (Major)
Qunu (Bos)	South Africa	Record daily precipitation	83.0 mm (3.3 in)	54 of 100 (Notable)
Cromleigh,Ixopo	South Africa	Record daily precipitation	87.1 mm (3.4 in)	54 of 100 (Notable)
Carmo Do Cajuru	Brazil	Record daily precipitation	62.4 mm (2.5 in)	53 of 100 (Notable)
Floresville	United States	Record daily precipitation	105.4 mm (4.1 in)	53 of 100 (Notable)
Rio Piracicaba	Brazil	Record daily precipitation	61.0 mm (2.4 in)	52 of 100 (Notable)
Brynawe, Paddock	South Africa	Record daily precipitation	113.1 mm (4.5 in)	52 of 100 (Notable)
Fazenda Paraiso	Brazil	Record daily precipitation	54.6 mm (2.1 in)	48 of 100 (Notable)
Cezu (Bos)	South Africa	Record daily precipitation	107.0 mm (4.2 in)	48 of 100 (Notable)
Insizwa (Bos)	South Africa	Record daily precipitation	66.0 mm (2.6 in)	48 of 100 (Notable)
Vaalbank	South Africa	Record daily precipitation	60.0 mm (2.4 in)	45 of 100 (Notable)
Waynesboro 2 S	United States	Record low minimum temperature	-0.6 C (30.9 F)	44 of 100 (Notable)
Cuitzeo	Mexico	Record high minimum temperature	19.4 C (66.9 F)	42 of 100 (Notable)
Usina Parauna	Brazil	Record daily precipitation	33.2 mm (1.3 in)	40 of 100 (Notable)
Port Stanley	Canada	Record low minimum temperature	-4.5 C (23.9 F)	40 of 100 (Notable)
Etwa (Bos)	South Africa	Record daily precipitation	46.0 mm (1.8 in)	40 of 100 (Notable)
Mvenyane (Bos)	South Africa	Record daily precipitation	36.0 mm (1.4 in)	40 of 100 (Notable)
Pacoti	Brazil	Record daily precipitation	74.8 mm (2.9 in)	37 of 100 (Notable)
Amarante	Brazil	Record daily precipitation	117.2 mm (4.6 in)	35 of 100 (Notable)
Ust Tzilma	Russia	Record low minimum temperature	-26.2 C (-15.2 F)	35 of 100 (Notable)
Thomasville 7 NE	United States	Record low minimum temperature	4.4 C (39.9 F)	35 of 100 (Notable)
Kalispell Glacier AP	United States	Record daily snowfall	7.4 cm (2.9 in)	35 of 100 (Notable)
Bundaberg Post Office	Australia	Record high maximum temperature	31.5 C (88.7 F)	34 of 100 (Routine)
Fleming	United States	Record low minimum temperature	3.9 C (39.0 F)	34 of 100 (Routine)
Milledgeville	United States	Record low minimum temperature	1.7 C (35.1 F)	34 of 100 (Routine)
Arcade	United States	Record low minimum temperature	-7.2 C (19.0 F)	34 of 100 (Routine)
Lexington	United States	Record low minimum temperature	1.1 C (34.0 F)	34 of 100 (Routine)
Tuxcueca	Mexico	Record high maximum temperature	37.8 C (100.0 F)	33 of 100 (Routine)
Brunswick	United States	Record low minimum temperature	5.0 C (41.0 F)	33 of 100 (Routine)
Staunton Wtp	United States	Record low minimum temperature	-3.3 C (26.1 F)	33 of 100 (Routine)
Tewantin Post Office	Australia	Record high maximum temperature	31.7 C (89.1 F)	32 of 100 (Routine)
Taquaracu	Brazil	Record daily precipitation	33.2 mm (1.3 in)	32 of 100 (Routine)
Usina Peti	Brazil	Record daily precipitation	30.0 mm (1.2 in)	32 of 100 (Routine)
Ponte Nova Do Paraopeba	Brazil	Record daily precipitation	33.0 mm (1.3 in)	32 of 100 (Routine)
Acaiaca-Jusante	Brazil	Record daily precipitation	52.3 mm (2.1 in)	32 of 100 (Routine)
Hipolito	Brazil	Record daily precipitation	97.2 mm (3.8 in)	32 of 100 (Routine)
Matias Romero (Smn)	Mexico	Record high minimum temperature	26.1 C (79.0 F)	32 of 100 (Routine)
Catemaco	Mexico	Record low minimum temperature	12.8 C (55.0 F)	32 of 100 (Routine)
Indiga	Russia	Record low maximum temperature	-17.6 C (0.3 F)	32 of 100 (Routine)
Ust Tzilma	Russia	Record low maximum temperature	-14.1 C (6.6 F)	32 of 100 (Routine)
Livingston	United States	Record low minimum temperature	3.3 C (37.9 F)	32 of 100 (Routine)
Ellenburg Depot	United States	Record snow depth	25.4 cm (10.0 in)	32 of 100 (Routine)
Lagoa Grande (Mmv)	Brazil	Record daily precipitation	25.3 mm (1.0 in)	31 of 100 (Routine)
Port Shepstone	South Africa	Record daily precipitation	70.5 mm (2.8 in)	31 of 100 (Routine)
Clocolan (Pol)	South Africa	Record daily precipitation	31.5 mm (1.2 in)	31 of 100 (Routine)
Douglas	United States	Record low minimum temperature	5.6 C (42.1 F)	31 of 100 (Routine)
Westfield 2 SSE	United States	Record low minimum temperature	-2.2 C (28.0 F)	31 of 100 (Routine)
Teocaltiche (Dge)	Mexico	Record low minimum temperature	-1.1 C (30.0 F)	30 of 100 (Routine)
Robstown	United States	Record daily precipitation	34.3 mm (1.4 in)	30 of 100 (Routine)
Cotonou	Benin	Record low maximum temperature	26.5 C (79.7 F)	29 of 100 (Routine)
Sabara	Brazil	Record daily precipitation	27.6 mm (1.1 in)	29 of 100 (Routine)
Agua Soca	Brazil	Record daily precipitation	39.4 mm (1.6 in)	29 of 100 (Routine)
Carson	United States	Record daily precipitation	29.5 mm (1.2 in)	29 of 100 (Routine)
Menard	United States	Record high maximum temperature	35.0 C (95.0 F)	29 of 100 (Routine)
Saint Paul Is AP	United States	Record high maximum temperature	7.2 C (45.0 F)	29 of 100 (Routine)
Mineracao Morro Velho	Brazil	Record daily precipitation	37.0 mm (1.5 in)	28 of 100 (Routine)
Baziya (Bos)	South Africa	Record daily precipitation	32.0 mm (1.3 in)	28 of 100 (Routine)
Vitoria Aerodromo	Spain	Record daily precipitation	31.5 mm (1.2 in)	28 of 100 (Routine)
Warren	United States	Record low minimum temperature	-7.2 C (19.0 F)	28 of 100 (Routine)
Laurens	United States	Record low minimum temperature	-2.2 C (28.0 F)	28 of 100 (Routine)

Counts by Type and Timescale

523 records

Records set or tied on 23 April 1978 by type: Highest daily maximum 28, Lowest daily maximum 55, Highest daily minimum 20, Lowest daily minimum 215, Heaviest daily rainfall 197, Heaviest daily snowfall 6, Deepest snow cover 2.

Records on 23 April 1978 by type
Record type	Records
Highest daily maximum	28
Lowest daily maximum	55
Highest daily minimum	20
Lowest daily minimum	215
Heaviest daily rainfall	197
Heaviest daily snowfall	6
Deepest snow cover	2

Records on 23 April 1978 by timescale: all-time 1, monthly 9, daily 513.

How Much Records Were Beaten By

419 broken records

Margins by which the 419 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 254.0. Ties are not counted.

Top 20 by Significance

23 April 1978

Top 20 records on 23 April 1978 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
23 April 1978	Tsolo, ZA	monthly rain	102.5 mm (4.0 in)	50.5 mm (2.0 in)	22 years	61 of 100 (Major)
23 April 1978	Qunu (Bos), ZA	monthly rain	83.0 mm (3.3 in)	27.1 mm (1.1 in)	43 years	54 of 100 (Notable)
23 April 1978	Cromleigh,Ixopo, ZA	monthly rain	87.1 mm (3.4 in)	28.9 mm (1.1 in)	35 years	54 of 100 (Notable)
23 April 1978	Carmo Do Cajuru, BR	daily rain	62.4 mm (2.5 in)	56.5 mm (2.2 in)	36 years	53 of 100 (Notable)
23 April 1978	Floresville, US	daily rain	105.4 mm (4.1 in)	61.2 mm (2.4 in)	44 years	53 of 100 (Notable)
23 April 1978	Rio Piracicaba, BR	daily rain	61.0 mm (2.4 in)	55.0 mm (2.2 in)	32 years	52 of 100 (Notable)
23 April 1978	Brynawe, Paddock, ZA	daily rain	113.1 mm (4.5 in)	59.3 mm (2.3 in)	35 years	52 of 100 (Notable)
23 April 1978	Fazenda Paraiso, BR	daily rain	54.6 mm (2.1 in)	41.2 mm (1.6 in)	25 years	48 of 100 (Notable)
23 April 1978	Cezu (Bos), ZA	daily rain	107.0 mm (4.2 in)	80.0 mm (3.1 in)	12 years	48 of 100 (Notable)
23 April 1978	Insizwa (Bos), ZA	daily rain	66.0 mm (2.6 in)	25.6 mm (1.0 in)	48 years	48 of 100 (Notable)
23 April 1978	Vaalbank, ZA	daily rain	60.0 mm (2.4 in)	36.0 mm (1.4 in)	12 years	45 of 100 (Notable)
23 April 1978	Waynesboro 2 S, US	daily low min	-0.6 C (30.9 F)	6.2 C (11.2 F)	76 years	44 of 100 (Notable)
23 April 1978	Cuitzeo, MX	all-time high min	19.4 C (66.9 F)	0.5 C (0.9 F)	51 years	42 of 100 (Notable)
23 April 1978	Usina Parauna, BR	daily rain	33.2 mm (1.3 in)	33.2 mm (1.3 in)	36 years	40 of 100 (Notable)
23 April 1978	Port Stanley, CA	daily low min	-4.5 C (23.9 F)	0.1 C (0.2 F)	102 years	40 of 100 (Notable)
23 April 1978	Etwa (Bos), ZA	daily rain	46.0 mm (1.8 in)	25.7 mm (1.0 in)	43 years	40 of 100 (Notable)
23 April 1978	Mvenyane (Bos), ZA	daily rain	36.0 mm (1.4 in)	18.2 mm (0.7 in)	48 years	40 of 100 (Notable)
23 April 1978	Pacoti, BR	daily rain	74.8 mm (2.9 in)	43.8 mm (1.7 in)	5 years	37 of 100 (Notable)
23 April 1978	Amarante, BR	monthly rain	117.2 mm (4.6 in)	11.6 mm (0.5 in)	45 years	35 of 100 (Notable)
23 April 1978	Ust Tzilma, RU	daily low min	-26.2 C (-15.2 F)	3.4 C (6.1 F)	79 years	35 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

1800 to 1978

Records set or tied on this calendar date in each year from 1800 to 1978. 1978 had 523 records.

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

Records on 04-23 in each year
Year	Records
1800	1
1809	1
1812	1
1817	3
1838	1
1840	1
1842	1
1851	1
1852	2
1854	1
1855	5
1857	2
1859	1
1861	1
1865	1
1868	2
1870	1
1872	1
1873	4
1874	4
1875	1
1877	1
1878	1
1879	1
1881	2
1882	1
1883	2
1884	3
1885	4
1886	4
1888	1
1889	1
1890	4
1891	2
1892	1
1893	2
1895	3
1896	4
1897	2
1898	1
1899	6
1900	4
1901	9
1902	12
1903	20
1904	8
1905	7
1906	23
1907	12
1908	14
1909	28
1910	35
1911	21
1912	29
1913	40
1914	71
1915	41
1916	35
1917	37
1918	92
1919	66
1920	75
1921	81
1922	45
1923	132
1924	111
1925	506
1926	124
1927	562
1928	302
1929	103
1930	487
1931	506
1932	231
1933	361
1934	272
1935	152
1936	342
1937	321
1938	177
1939	339
1940	319
1941	277
1942	473
1943	819
1944	678
1945	364
1946	649
1947	242
1948	401
1949	401
1950	577
1951	426
1952	500
1953	300
1954	548
1955	654
1956	581
1957	623
1958	649
1959	442
1960	1,648
1961	884
1962	389
1963	801
1964	958
1965	660
1966	386
1967	1,183
1968	816
1969	705
1970	1,209
1971	508
1972	332
1973	518
1974	486
1975	411
1976	386
1977	979
1978	523
1979	554
1980	1,460
1981	1,124
1982	1,191
1983	1,031
1984	971
1985	1,011
1986	1,541
1987	676
1988	1,051
1989	1,469
1990	1,077
1991	638
1992	592
1993	1,256
1994	666
1995	1,464
1996	1,520
1997	1,024
1998	1,446
1999	1,198
2000	1,003
2001	1,435
2002	971
2003	557
2004	610
2005	940
2006	839
2007	847
2008	775
2009	920
2010	1,040
2011	1,190
2012	1,796
2013	1,655
2014	362
2015	511
2016	542
2017	474
2018	684
2019	668
2020	564
2021	562
2022	692
2023	980
2024	583
2025	410
2026	503

Download the Data

Data for records on 1978-04-23: 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 50	410
50 to 100	8
100 to 150	0
150 to 200	0
200 to 250	0
250 to 300	1