Weather Records on 21 April 1968

655 weather records were set or tied worldwide on 21 April 1968. Highest significance: Wentworth (Cuthero), AU.

Key Facts for 21 April 1968

On 21 April 1968, 655 weather records were set or tied at long-record stations worldwide.
327 were record highs and 164 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 64 monthly and 590 daily.
Wentworth (Cuthero) set a daily record precipitation of 26.7 mm (1.1 in) on 21 April 1968.
Across 159 earlier years (1793 to 2026) the same calendar date averaged 461 records.

Record Map

655 stations

655 station records on 21 April 1968 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 April 1968: highest significance records shown on the map
Station	Country	Type	Value	Significance
Wentworth (Cuthero)	Australia	Record daily precipitation	26.7 mm (1.1 in)	59 of 100 (Notable)
Kohala Mis 175.1	United States	Record daily precipitation	115.6 mm (4.6 in)	58 of 100 (Notable)
Seneca	United States	Record daily snowfall	10.2 cm (4.0 in)	53 of 100 (Notable)
Col du Grand St-Bernard	Switzerland	Record high minimum temperature	2.8 C (37.0 F)	50 of 100 (Notable)
Ahmadnagar	India	Record daily precipitation	37.0 mm (1.5 in)	43 of 100 (Notable)
Norddal	Norway	Record snow depth	55.0 cm (21.7 in)	43 of 100 (Notable)
Sandvig	Denmark	Record high maximum temperature	19.9 C (67.8 F)	42 of 100 (Notable)
Uccle	Belgium	Record high minimum temperature	15.7 C (60.3 F)	41 of 100 (Notable)
Hohenpeissenberg	Germany	Record high minimum temperature	13.9 C (57.0 F)	41 of 100 (Notable)
Chita	Russia	Record daily precipitation	26.2 mm (1.0 in)	40 of 100 (Notable)
Hamburg Fuhlsbuettel	Germany	Record high minimum temperature	14.0 C (57.2 F)	39 of 100 (Notable)
Geisenheim	Germany	Record high maximum temperature	29.2 C (84.6 F)	39 of 100 (Notable)
Zerbst	Germany	Record high maximum temperature	29.5 C (85.1 F)	39 of 100 (Notable)
Daroca	Spain	Record daily precipitation	26.6 mm (1.0 in)	39 of 100 (Notable)
Vastervik	Sweden	Record high minimum temperature	10.8 C (51.4 F)	39 of 100 (Notable)
Aachen	Germany	Record high minimum temperature	17.8 C (64.0 F)	38 of 100 (Notable)
Dayville	United States	Record daily snowfall	5.1 cm (2.0 in)	38 of 100 (Notable)
Tewantin Post Office	Australia	Record high maximum temperature	33.1 C (91.6 F)	37 of 100 (Notable)
Muenster	Germany	Record high maximum temperature	30.1 C (86.2 F)	37 of 100 (Notable)
Jena Sternwarte	Germany	Record high maximum temperature	30.2 C (86.4 F)	37 of 100 (Notable)
Brocken	Germany	Record high maximum temperature	20.2 C (68.4 F)	37 of 100 (Notable)
Putbus	Germany	Record high maximum temperature	24.0 C (75.2 F)	37 of 100 (Notable)
Big Wells 2W	United States	Record daily precipitation	79.0 mm (3.1 in)	37 of 100 (Notable)
La Pryor	United States	Record daily precipitation	63.5 mm (2.5 in)	37 of 100 (Notable)
Kirchdorf/Poel	Germany	Record high maximum temperature	28.4 C (83.1 F)	36 of 100 (Notable)
Chernjaevo	Russia	Record high minimum temperature	10.4 C (50.7 F)	36 of 100 (Notable)
Jaicos	Brazil	Record daily precipitation	28.9 mm (1.1 in)	35 of 100 (Notable)
Magdeburg	Germany	Record high maximum temperature	30.1 C (86.2 F)	35 of 100 (Notable)
Freiburg	Germany	Record high minimum temperature	14.1 C (57.4 F)	35 of 100 (Notable)
Lubeck-Werft	Germany	Record high maximum temperature	29.5 C (85.1 F)	35 of 100 (Notable)
Bernburg/Saale (Nord)	Germany	Record high maximum temperature	28.5 C (83.3 F)	35 of 100 (Notable)
Brisbane Regional Office	Australia	Record high maximum temperature	34.4 C (93.9 F)	34 of 100 (Routine)
Koebenhavn: Landbohojskolen-1	Denmark	Record high maximum temperature	21.5 C (70.7 F)	34 of 100 (Routine)
Husum	Germany	Record high maximum temperature	28.0 C (82.4 F)	34 of 100 (Routine)
Kleve	Germany	Record high minimum temperature	15.2 C (59.4 F)	34 of 100 (Routine)
Eelde	Netherlands	Record high maximum temperature	28.0 C (82.4 F)	34 of 100 (Routine)
Bell Ranch	United States	Record low minimum temperature	-6.7 C (19.9 F)	34 of 100 (Routine)
Stuttgart-Stadt	Germany	Record high minimum temperature	13.8 C (56.8 F)	33 of 100 (Routine)
Brocken	Germany	Record high minimum temperature	12.1 C (53.8 F)	33 of 100 (Routine)
Heinersreuth-Vollhof	Germany	Record high maximum temperature	27.5 C (81.5 F)	33 of 100 (Routine)
Canaa (Cmef)	Brazil	Record daily precipitation	25.0 mm (1.0 in)	32 of 100 (Routine)
Marnitz	Germany	Record high maximum temperature	29.2 C (84.6 F)	32 of 100 (Routine)
Chemnitz	Germany	Record high maximum temperature	26.7 C (80.1 F)	32 of 100 (Routine)
Quincy	United States	Record low minimum temperature	-7.2 C (19.0 F)	32 of 100 (Routine)
Rio Grande City	United States	Record daily precipitation	110.2 mm (4.3 in)	32 of 100 (Routine)
Mehkar	India	Record daily precipitation	26.0 mm (1.0 in)	31 of 100 (Routine)
Orebro	Sweden	Record high minimum temperature	8.0 C (46.4 F)	31 of 100 (Routine)
Orick Prairie Creek Park	United States	Record low minimum temperature	-8.3 C (17.1 F)	31 of 100 (Routine)
Kendall	United States	Record low maximum temperature	-1.1 C (30.0 F)	31 of 100 (Routine)
Pedras de Abelhas (Dnocs)	Brazil	Record daily precipitation	78.3 mm (3.1 in)	30 of 100 (Routine)
Mistassini Post	Canada	Record high minimum temperature	6.1 C (43.0 F)	30 of 100 (Routine)
Halle	Germany	Record high maximum temperature	28.7 C (83.7 F)	30 of 100 (Routine)
Nurnberg	Germany	Record high maximum temperature	28.5 C (83.3 F)	30 of 100 (Routine)
Jonkoping	Sweden	Record high minimum temperature	8.6 C (47.5 F)	30 of 100 (Routine)
Skara 1	Sweden	Record high minimum temperature	7.4 C (45.3 F)	30 of 100 (Routine)
Fleming	United States	Record high maximum temperature	33.9 C (93.0 F)	30 of 100 (Routine)
Ganca	Azerbaijan	Record low maximum temperature	9.8 C (49.6 F)	29 of 100 (Routine)
Bamberg	Germany	Record high maximum temperature	29.5 C (85.1 F)	29 of 100 (Routine)
Arnsberg	Germany	Record high minimum temperature	10.0 C (50.0 F)	29 of 100 (Routine)
Waren	Germany	Record high minimum temperature	11.4 C (52.5 F)	29 of 100 (Routine)

Counts by Type and Timescale

655 records

Records set or tied on 21 April 1968 by type: Highest daily maximum 198, Lowest daily maximum 50, Highest daily minimum 129, Lowest daily minimum 114, Heaviest daily rainfall 137, Heaviest daily snowfall 23, Deepest snow cover 4.

Records on 21 April 1968 by type
Record type	Records
Highest daily maximum	198
Lowest daily maximum	50
Highest daily minimum	129
Lowest daily minimum	114
Heaviest daily rainfall	137
Heaviest daily snowfall	23
Deepest snow cover	4

Records on 21 April 1968 by timescale: all-time 1, monthly 64, daily 590.

How Much Records Were Beaten By

553 broken records

Margins by which the 553 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 250.0. Ties are not counted.

Top 20 by Significance

21 April 1968

Top 20 records on 21 April 1968 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 April 1968	Wentworth (Cuthero), AU	daily rain	26.7 mm (1.1 in)	24.2 mm (1.0 in)	76 years	59 of 100 (Notable)
21 April 1968	Kohala Mis 175.1, US	daily rain	115.6 mm (4.6 in)	56.9 mm (2.2 in)	41 years	58 of 100 (Notable)
21 April 1968	Seneca, US	daily snowfall	10.2 cm (4.0 in)	10.2 cm (4.0 in)	58 years	53 of 100 (Notable)
21 April 1968	Col du Grand St-Bernard, CH	monthly high min	2.8 C (37.0 F)	0.8 C (1.4 F)	93 years	50 of 100 (Notable)
21 April 1968	Ahmadnagar, IN	daily rain	37.0 mm (1.5 in)	21.0 mm (0.8 in)	39 years	43 of 100 (Notable)
21 April 1968	Norddal, NO	daily snow depth	55.0 cm (21.7 in)	25.0 cm (9.8 in)	65 years	43 of 100 (Notable)
21 April 1968	Sandvig, DK	daily high max	19.9 C (67.8 F)	2.3 C (4.1 F)	91 years	42 of 100 (Notable)
21 April 1968	Uccle, BE	monthly high min	15.7 C (60.3 F)	0.7 C (1.3 F)	64 years	41 of 100 (Notable)
21 April 1968	Hohenpeissenberg, DE	daily high min	13.9 C (57.0 F)	4.2 C (7.6 F)	74 years	41 of 100 (Notable)
21 April 1968	Chita, RU	monthly rain	26.2 mm (1.0 in)	3.9 mm (0.15 in)	37 years	40 of 100 (Notable)
21 April 1968	Hamburg Fuhlsbuettel, DE	daily high min	14.0 C (57.2 F)	4.2 C (7.6 F)	66 years	39 of 100 (Notable)
21 April 1968	Geisenheim, DE	daily high max	29.2 C (84.6 F)	3.7 C (6.7 F)	82 years	39 of 100 (Notable)
21 April 1968	Zerbst, DE	daily high max	29.5 C (85.1 F)	8.3 C (14.9 F)	54 years	39 of 100 (Notable)
21 April 1968	Daroca, ES	daily rain	26.6 mm (1.0 in)	15.4 mm (0.6 in)	12 years	39 of 100 (Notable)
21 April 1968	Vastervik, SE	monthly high min	10.8 C (51.4 F)	1.3 C (2.3 F)	56 years	39 of 100 (Notable)
21 April 1968	Aachen, DE	monthly high min	17.8 C (64.0 F)	0.9 C (1.6 F)	64 years	38 of 100 (Notable)
21 April 1968	Dayville, US	daily snowfall	5.1 cm (2.0 in)	5.1 cm (2.0 in)	70 years	38 of 100 (Notable)
21 April 1968	Tewantin Post Office, AU	daily high max	33.1 C (91.6 F)	2.5 C (4.5 F)	64 years	37 of 100 (Notable)
21 April 1968	Muenster, DE	monthly high max	30.1 C (86.2 F)	2.0 C (3.6 F)	54 years	37 of 100 (Notable)
21 April 1968	Jena Sternwarte, DE	daily high max	30.2 C (86.4 F)	3.8 C (6.8 F)	68 years	37 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

1793 to 1968

Records set or tied on this calendar date in each year from 1793 to 1968. 1968 had 655 records.

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

Records on 04-21 in each year
Year	Records
1793	1
1814	1
1820	1
1838	1
1849	2
1851	1
1852	3
1854	1
1858	3
1861	2
1865	3
1866	1
1868	1
1870	1
1875	4
1876	2
1877	1
1879	3
1880	1
1881	1
1882	1
1884	1
1885	2
1888	1
1890	1
1891	1
1892	1
1893	2
1894	4
1895	1
1897	1
1898	2
1899	2
1900	7
1901	17
1902	7
1903	3
1904	10
1905	18
1906	5
1907	17
1908	25
1909	20
1910	33
1911	9
1912	22
1913	14
1914	220
1915	24
1916	64
1917	48
1918	84
1919	31
1920	85
1921	59
1922	70
1923	223
1924	119
1925	295
1926	148
1927	284
1928	269
1929	193
1930	127
1931	358
1932	304
1933	201
1934	497
1935	266
1936	277
1937	416
1938	295
1939	110
1940	462
1941	306
1942	285
1943	481
1944	261
1945	367
1946	448
1947	459
1948	365
1949	448
1950	529
1951	884
1952	665
1953	640
1954	527
1955	607
1956	497
1957	824
1958	329
1959	505
1960	889
1961	647
1962	319
1963	778
1964	1,125
1965	658
1966	756
1967	903
1968	655
1969	388
1970	728
1971	546
1972	593
1973	1,163
1974	528
1975	360
1976	452
1977	854
1978	735
1979	449
1980	1,934
1981	944
1982	1,075
1983	1,366
1984	1,231
1985	1,245
1986	977
1987	1,290
1988	898
1989	1,557
1990	1,463
1991	1,291
1992	1,763
1993	847
1994	859
1995	1,476
1996	788
1997	964
1998	876
1999	752
2000	921
2001	967
2002	1,312
2003	607
2004	586
2005	693
2006	761
2007	480
2008	1,327
2009	983
2010	805
2011	1,053
2012	687
2013	1,015
2014	393
2015	621
2016	587
2017	797
2018	862
2019	731
2020	397
2021	1,608
2022	433
2023	886
2024	754
2025	506
2026	853

Download the Data

Data for records on 1968-04-21: 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 2026-10-13 (13 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Margin	Records
0 to 50	542
50 to 100	7
100 to 150	3
150 to 200	0
200 to 250	1