Weather Records on 1 April 1970

894 weather records were set or tied worldwide on 1 April 1970. Highest significance: Altastenberg, DE.

Key Facts for 1 April 1970

On 1 April 1970, 894 weather records were set or tied at long-record stations worldwide.
78 were record highs and 326 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 102 monthly and 790 daily.
Altastenberg set a monthly record snow depth of 165.0 cm (65.0 in) on 1 April 1970.
Across 160 earlier years (1803 to 2026) the same calendar date averaged 475 records.

Record Map

894 stations

894 station records on 1 April 1970 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 1 April 1970: highest significance records shown on the map
Station	Country	Type	Value	Significance
Altastenberg	Germany	Record snow depth	165.0 cm (65.0 in)	68 of 100 (Major)
Fairfield	United States	Record daily snowfall	22.9 cm (9.0 in)	60 of 100 (Major)
Lamoni	United States	Record daily snowfall	20.3 cm (8.0 in)	57 of 100 (Notable)
Cottonwood Falls	United States	Record daily snowfall	15.2 cm (6.0 in)	56 of 100 (Notable)
Chinle	United States	Record daily snowfall	20.3 cm (8.0 in)	53 of 100 (Notable)
Hannibal Wtr Wks	United States	Record daily precipitation	49.3 mm (1.9 in)	53 of 100 (Notable)
Miami	United States	Record daily snowfall	14.0 cm (5.5 in)	53 of 100 (Notable)
Wellington	United States	Record daily precipitation	56.9 mm (2.2 in)	52 of 100 (Notable)
Miami	United States	Record snow depth	15.2 cm (6.0 in)	52 of 100 (Notable)
Eureka 1E	United States	Record daily precipitation	54.1 mm (2.1 in)	51 of 100 (Notable)
Centennial 1NE	United States	Record snow depth	71.1 cm (28.0 in)	50 of 100 (Notable)
Falls City Brenner Fld	United States	Record daily snowfall	20.3 cm (8.0 in)	50 of 100 (Notable)
Coldwater	United States	Record daily snowfall	17.8 cm (7.0 in)	48 of 100 (Notable)
Acude Acarape Do Meio	Brazil	Record daily precipitation	67.0 mm (2.6 in)	47 of 100 (Notable)
Schierke	Germany	Record snow depth	105.0 cm (41.3 in)	46 of 100 (Notable)
Winfield 3NE	United States	Record daily precipitation	64.8 mm (2.6 in)	45 of 100 (Notable)
Alva 1W	United States	Record daily precipitation	37.8 mm (1.5 in)	45 of 100 (Notable)
Brockville	Canada	Record daily snowfall	7.1 cm (2.8 in)	44 of 100 (Notable)
Kit Carson	United States	Record daily snowfall	7.6 cm (3.0 in)	44 of 100 (Notable)
Larned	United States	Record snow depth	17.8 cm (7.0 in)	44 of 100 (Notable)
Anthony	United States	Record daily precipitation	47.0 mm (1.9 in)	44 of 100 (Notable)
Rushville	United States	Record daily precipitation	63.5 mm (2.5 in)	43 of 100 (Notable)
Columbus Junction	United States	Record daily snowfall	12.7 cm (5.0 in)	43 of 100 (Notable)
El Dorado	United States	Record daily precipitation	42.7 mm (1.7 in)	43 of 100 (Notable)
Fall Rvr Lake	United States	Record daily precipitation	44.2 mm (1.7 in)	43 of 100 (Notable)
Middleboro	United States	Record daily snowfall	15.2 cm (6.0 in)	43 of 100 (Notable)
Long Prairie	United States	Record low minimum temperature	-20.6 C (-5.1 F)	43 of 100 (Notable)
Ashland	United States	Record daily snowfall	7.6 cm (3.0 in)	42 of 100 (Notable)
Minneola	United States	Record daily snowfall	12.7 cm (5.0 in)	42 of 100 (Notable)
Lovelaceville	United States	Record daily precipitation	76.2 mm (3.0 in)	42 of 100 (Notable)
Ashley	United States	Record low minimum temperature	-23.3 C (-9.9 F)	42 of 100 (Notable)
Leamington	Canada	Record daily precipitation	43.4 mm (1.7 in)	41 of 100 (Notable)
Augusta	United States	Record daily precipitation	53.6 mm (2.1 in)	41 of 100 (Notable)
Herington	United States	Record daily snowfall	27.9 cm (11.0 in)	41 of 100 (Notable)
Larned	United States	Record daily snowfall	12.7 cm (5.0 in)	41 of 100 (Notable)
Moran	United States	Record daily precipitation	34.3 mm (1.4 in)	41 of 100 (Notable)
Plains	United States	Record daily snowfall	20.3 cm (8.0 in)	41 of 100 (Notable)
Pratt 3NW	United States	Record daily snowfall	15.2 cm (6.0 in)	41 of 100 (Notable)
Blue Hill Coop	United States	Record daily snowfall	19.1 cm (7.5 in)	41 of 100 (Notable)
Ringwood	United States	Record snow depth	15.2 cm (6.0 in)	41 of 100 (Notable)
Red Rvr	United States	Record snow depth	114.3 cm (45.0 in)	41 of 100 (Notable)
Dacoma 2 NE	United States	Record daily precipitation	39.6 mm (1.6 in)	41 of 100 (Notable)
Cimarron	United States	Record snow depth	17.8 cm (7.0 in)	40 of 100 (Notable)
Norwich	United States	Record daily precipitation	45.2 mm (1.8 in)	40 of 100 (Notable)
Blue Hill Coop	United States	Record snow depth	33.0 cm (13.0 in)	40 of 100 (Notable)
E Wareham	United States	Record daily snowfall	19.6 cm (7.7 in)	40 of 100 (Notable)
Fayette	United States	Record daily precipitation	48.8 mm (1.9 in)	40 of 100 (Notable)
Maxwell 3 NW	United States	Record daily snowfall	7.6 cm (3.0 in)	40 of 100 (Notable)
Chanute Martin Johnson AP	United States	Record daily precipitation	45.0 mm (1.8 in)	40 of 100 (Notable)
Halflong Obsy	India	Record daily precipitation	72.6 mm (2.9 in)	39 of 100 (Notable)
Chinle	United States	Record low minimum temperature	-16.1 C (3.0 F)	39 of 100 (Notable)
Great Bend 3WNW	United States	Record daily snowfall	12.7 cm (5.0 in)	39 of 100 (Notable)
King City	United States	Record daily snowfall	15.2 cm (6.0 in)	39 of 100 (Notable)
Helena 1 SSE	United States	Record daily precipitation	47.0 mm (1.9 in)	39 of 100 (Notable)
Kingston	United States	Record snow depth	22.9 cm (9.0 in)	39 of 100 (Notable)
Burlington Muni AP	United States	Record daily snowfall	20.3 cm (8.0 in)	39 of 100 (Notable)
Aurora Water	United States	Record daily snowfall	14.5 cm (5.7 in)	38 of 100 (Notable)
Lyons 3 S	United States	Record daily snowfall	10.2 cm (4.0 in)	38 of 100 (Notable)
Madison	United States	Record daily precipitation	42.2 mm (1.7 in)	38 of 100 (Notable)
Albion	United States	Record daily snowfall	18.8 cm (7.4 in)	38 of 100 (Notable)

Counts by Type and Timescale

894 records

Records set or tied on 1 April 1970 by type: Highest daily maximum 28, Lowest daily maximum 173, Highest daily minimum 50, Lowest daily minimum 153, Heaviest daily rainfall 235, Heaviest daily snowfall 172, Deepest snow cover 83.

Records on 1 April 1970 by type
Record type	Records
Highest daily maximum	28
Lowest daily maximum	173
Highest daily minimum	50
Lowest daily minimum	153
Heaviest daily rainfall	235
Heaviest daily snowfall	172
Deepest snow cover	83

Records on 1 April 1970 by timescale: all-time 2, monthly 102, daily 790.

How Much Records Were Beaten By

738 broken records

Margins by which the 738 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 900.0. Ties are not counted.

Top 20 by Significance

1 April 1970

Top 20 records on 1 April 1970 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
1 April 1970	Altastenberg, DE	monthly snow depth	165.0 cm (65.0 in)	90.0 cm (35.4 in)	33 years	68 of 100 (Major)
1 April 1970	Fairfield, US	monthly snowfall	22.9 cm (9.0 in)	15.3 cm (6.0 in)	43 years	60 of 100 (Major)
1 April 1970	Lamoni, US	daily snowfall	20.3 cm (8.0 in)	20.0 cm (7.9 in)	33 years	57 of 100 (Notable)
1 April 1970	Cottonwood Falls, US	daily snowfall	15.2 cm (6.0 in)	15.2 cm (6.0 in)	67 years	56 of 100 (Notable)
1 April 1970	Chinle, US	monthly snowfall	20.3 cm (8.0 in)	12.7 cm (5.0 in)	41 years	53 of 100 (Notable)
1 April 1970	Hannibal Wtr Wks, US	daily rain	49.3 mm (1.9 in)	40.9 mm (1.6 in)	36 years	53 of 100 (Notable)
1 April 1970	Miami, US	daily snowfall	14.0 cm (5.5 in)	14.0 cm (5.5 in)	64 years	53 of 100 (Notable)
1 April 1970	Wellington, US	daily rain	56.9 mm (2.2 in)	40.9 mm (1.6 in)	57 years	52 of 100 (Notable)
1 April 1970	Miami, US	monthly snow depth	15.2 cm (6.0 in)	15.2 cm (6.0 in)	64 years	52 of 100 (Notable)
1 April 1970	Eureka 1E, US	daily rain	54.1 mm (2.1 in)	33.8 mm (1.3 in)	64 years	51 of 100 (Notable)
1 April 1970	Centennial 1NE, US	monthly snow depth	71.1 cm (28.0 in)	27.9 cm (11.0 in)	10 years	50 of 100 (Notable)
1 April 1970	Falls City Brenner Fld, US	monthly snowfall	20.3 cm (8.0 in)	11.4 cm (4.5 in)	43 years	50 of 100 (Notable)
1 April 1970	Coldwater, US	monthly snowfall	17.8 cm (7.0 in)	7.6 cm (3.0 in)	53 years	48 of 100 (Notable)
1 April 1970	Acude Acarape Do Meio, BR	daily rain	67.0 mm (2.6 in)	35.0 mm (1.4 in)	52 years	47 of 100 (Notable)
1 April 1970	Schierke, DE	monthly snow depth	105.0 cm (41.3 in)	40.0 cm (15.7 in)	7 years	46 of 100 (Notable)
1 April 1970	Winfield 3NE, US	daily rain	64.8 mm (2.6 in)	28.7 mm (1.1 in)	64 years	45 of 100 (Notable)
1 April 1970	Alva 1W, US	daily rain	37.8 mm (1.5 in)	23.1 mm (0.9 in)	64 years	45 of 100 (Notable)
1 April 1970	Brockville, CA	daily snowfall	7.1 cm (2.8 in)	2.0 cm (0.8 in)	97 years	44 of 100 (Notable)
1 April 1970	Kit Carson, US	daily snowfall	7.6 cm (3.0 in)	7.6 cm (3.0 in)	74 years	44 of 100 (Notable)
1 April 1970	Larned, US	monthly snow depth	17.8 cm (7.0 in)	10.2 cm (4.0 in)	62 years	44 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

1803 to 1970

Records set or tied on this calendar date in each year from 1803 to 1970. 1970 had 894 records.

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

Records on 04-01 in each year
Year	Records
1803	1
1805	1
1808	1
1813	1
1815	3
1819	1
1830	2
1847	2
1848	1
1850	1
1855	3
1856	1
1861	2
1862	2
1865	1
1869	2
1872	1
1873	1
1874	2
1876	1
1878	3
1879	2
1881	1
1885	1
1887	2
1888	2
1889	2
1891	5
1892	1
1893	2
1896	4
1897	5
1898	3
1899	4
1900	4
1901	4
1902	4
1903	12
1904	29
1905	10
1906	7
1907	24
1908	5
1909	13
1910	26
1911	27
1912	31
1913	35
1914	37
1915	25
1916	35
1917	80
1918	51
1919	165
1920	65
1921	46
1922	98
1923	319
1924	257
1925	111
1926	234
1927	326
1928	194
1929	336
1930	153
1931	846
1932	292
1933	188
1934	153
1935	424
1936	1,248
1937	192
1938	461
1939	226
1940	840
1941	285
1942	209
1943	319
1944	266
1945	880
1946	1,172
1947	390
1948	590
1949	308
1950	455
1951	406
1952	419
1953	249
1954	493
1955	288
1956	744
1957	314
1958	535
1959	821
1960	295
1961	496
1962	652
1963	1,123
1964	951
1965	678
1966	689
1967	928
1968	377
1969	611
1970	894
1971	384
1972	510
1973	680
1974	894
1975	1,806
1976	767
1977	524
1978	1,013
1979	738
1980	797
1981	1,115
1982	884
1983	643
1984	662
1985	826
1986	982
1987	1,762
1988	1,259
1989	1,098
1990	952
1991	693
1992	981
1993	783
1994	739
1995	1,056
1996	996
1997	1,255
1998	1,703
1999	1,341
2000	690
2001	575
2002	985
2003	1,366
2004	926
2005	1,086
2006	929
2007	963
2008	1,457
2009	846
2010	1,022
2011	1,105
2012	1,327
2013	719
2014	657
2015	606
2016	842
2017	792
2018	870
2019	674
2020	719
2021	790
2022	853
2023	1,069
2024	788
2025	779
2026	1,042

Download the Data

Data for records on 1970-04-01: 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 200	734
200 to 400	2
400 to 600	1
600 to 800	0
800 to 1000	1