Weather Records on 17 April 1970

547 weather records were set or tied worldwide on 17 April 1970. Highest significance: Schierke, DE.

Key Facts for 17 April 1970

On 17 April 1970, 547 weather records were set or tied at long-record stations worldwide.
102 were record highs and 100 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 6 monthly and 541 daily.
Schierke set a daily record snow depth of 100.0 cm (39.4 in) on 17 April 1970.
Across 166 earlier years (1799 to 2026) the same calendar date averaged 452 records.

Record Map

547 stations

547 station records on 17 April 1970 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 17 April 1970: highest significance records shown on the map
Station	Country	Type	Value	Significance
Schierke	Germany	Record snow depth	100.0 cm (39.4 in)	72 of 100 (Major)
Williston Sloulin Fld	United States	Record snow depth	15.2 cm (6.0 in)	59 of 100 (Notable)
Sidney	United States	Record snow depth	12.7 cm (5.0 in)	57 of 100 (Notable)
Ripley	United States	Record daily precipitation	86.9 mm (3.4 in)	54 of 100 (Notable)
Altastenberg	Germany	Record snow depth	125.0 cm (49.2 in)	50 of 100 (Notable)
Crosby	United States	Record snow depth	30.5 cm (12.0 in)	49 of 100 (Notable)
Windsor	Australia	Record daily precipitation	28.4 mm (1.1 in)	48 of 100 (Notable)
Challa	Australia	Record daily precipitation	29.5 mm (1.2 in)	48 of 100 (Notable)
Brocken	Germany	Record snow depth	355.0 cm (139.8 in)	48 of 100 (Notable)
Minot Exp STN	United States	Record snow depth	35.6 cm (14.0 in)	47 of 100 (Notable)
Fichtelberg	Germany	Record snow depth	275.0 cm (108.3 in)	45 of 100 (Notable)
Crossroads 2	United States	Record daily precipitation	44.5 mm (1.8 in)	43 of 100 (Notable)
Hettinger	United States	Record snow depth	17.8 cm (7.0 in)	42 of 100 (Notable)
New Albany	United States	Record daily precipitation	66.5 mm (2.6 in)	40 of 100 (Notable)
Porter 2 E	United States	Record daily precipitation	39.4 mm (1.6 in)	40 of 100 (Notable)
Dickinson Exp STN	United States	Record snow depth	17.8 cm (7.0 in)	39 of 100 (Notable)
Faith	United States	Record snow depth	15.2 cm (6.0 in)	38 of 100 (Notable)
Bonito (Ibiapora)	Brazil	Record daily precipitation	38.0 mm (1.5 in)	37 of 100 (Notable)
Braunlage	Germany	Record snow depth	69.0 cm (27.2 in)	37 of 100 (Notable)
Dumas	United States	Record daily precipitation	64.0 mm (2.5 in)	37 of 100 (Notable)
Scott	United States	Record daily precipitation	67.6 mm (2.7 in)	37 of 100 (Notable)
Baldwyn	United States	Record daily precipitation	71.6 mm (2.8 in)	36 of 100 (Notable)
Malvern	United States	Record daily precipitation	43.4 mm (1.7 in)	35 of 100 (Notable)
Mt Pleasant	United States	Record daily precipitation	63.8 mm (2.5 in)	35 of 100 (Notable)
Clausthal-Zellerfeld	Germany	Record snow depth	45.0 cm (17.7 in)	34 of 100 (Routine)
Florence	United States	Record daily precipitation	52.1 mm (2.1 in)	34 of 100 (Routine)
Stamps	United States	Record daily precipitation	39.1 mm (1.5 in)	34 of 100 (Routine)
Dodge City	United States	Record daily precipitation	31.8 mm (1.3 in)	34 of 100 (Routine)
Agartala	India	Record daily precipitation	111.8 mm (4.4 in)	33 of 100 (Routine)
Benton	United States	Record daily precipitation	66.8 mm (2.6 in)	33 of 100 (Routine)
Senatobia	United States	Record daily precipitation	49.5 mm (1.9 in)	33 of 100 (Routine)
Scottsbluff W B Heilig Fld AP	United States	Record daily snowfall	13.2 cm (5.2 in)	33 of 100 (Routine)
Greenwood	United States	Record daily precipitation	89.9 mm (3.5 in)	32 of 100 (Routine)
Kalgan River	Australia	Record daily precipitation	37.3 mm (1.5 in)	31 of 100 (Routine)
Booneville	United States	Record daily precipitation	63.0 mm (2.5 in)	31 of 100 (Routine)
Coffeeville	United States	Record daily precipitation	48.0 mm (1.9 in)	31 of 100 (Routine)
Fulton 3 W	United States	Record daily precipitation	54.6 mm (2.1 in)	31 of 100 (Routine)
University	United States	Record daily precipitation	65.8 mm (2.6 in)	31 of 100 (Routine)
Monticello 2E	United States	Record daily snowfall	10.2 cm (4.0 in)	31 of 100 (Routine)
Aberdeen	United States	Record snow depth	12.7 cm (5.0 in)	31 of 100 (Routine)
Low Head (Comparison)	Australia	Record high maximum temperature	21.1 C (70.0 F)	30 of 100 (Routine)
Clarendon	United States	Record daily precipitation	40.6 mm (1.6 in)	30 of 100 (Routine)
Batesville	United States	Record daily precipitation	64.8 mm (2.6 in)	30 of 100 (Routine)
Libby 1 NE Rs	United States	Record low minimum temperature	-8.3 C (17.1 F)	30 of 100 (Routine)
Lima	United States	Record snow depth	12.7 cm (5.0 in)	30 of 100 (Routine)
Lake Cormorant	United States	Record daily precipitation	52.1 mm (2.1 in)	29 of 100 (Routine)
Eufaula 6 SSW	United States	Record daily precipitation	81.0 mm (3.2 in)	29 of 100 (Routine)
Lemmon	United States	Record daily snowfall	5.1 cm (2.0 in)	29 of 100 (Routine)
King River	Australia	Record daily precipitation	28.7 mm (1.1 in)	28 of 100 (Routine)
Des Arc	United States	Record daily precipitation	47.2 mm (1.9 in)	28 of 100 (Routine)
Weiser	United States	Record low minimum temperature	-5.6 C (21.9 F)	28 of 100 (Routine)
Perkins	United States	Record daily precipitation	62.5 mm (2.5 in)	28 of 100 (Routine)
Dubois	United States	Record low minimum temperature	-17.2 C (1.0 F)	28 of 100 (Routine)
Burpengary Ulmann Rd	Australia	Record daily precipitation	38.6 mm (1.5 in)	27 of 100 (Routine)
Cape Otway Lighthouse	Australia	Record high minimum temperature	19.7 C (67.5 F)	27 of 100 (Routine)
Hodges	United States	Record daily precipitation	50.8 mm (2.0 in)	27 of 100 (Routine)
Marianna 2 S	United States	Record daily precipitation	52.1 mm (2.1 in)	27 of 100 (Routine)
Mena	United States	Record daily precipitation	72.4 mm (2.9 in)	27 of 100 (Routine)
Subiaco	United States	Record daily precipitation	53.3 mm (2.1 in)	27 of 100 (Routine)
Rosedale	United States	Record daily precipitation	60.2 mm (2.4 in)	27 of 100 (Routine)

Counts by Type and Timescale

547 records

Records set or tied on 17 April 1970 by type: Highest daily maximum 29, Lowest daily maximum 42, Highest daily minimum 73, Lowest daily minimum 58, Heaviest daily rainfall 299, Heaviest daily snowfall 18, Deepest snow cover 28.

Records on 17 April 1970 by type
Record type	Records
Highest daily maximum	29
Lowest daily maximum	42
Highest daily minimum	73
Lowest daily minimum	58
Heaviest daily rainfall	299
Heaviest daily snowfall	18
Deepest snow cover	28

Records on 17 April 1970 by timescale: all-time 0, monthly 6, daily 541.

How Much Records Were Beaten By

460 broken records

Margins by which the 460 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 1950.0. Ties are not counted.

Top 20 by Significance

17 April 1970

Top 20 records on 17 April 1970 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
17 April 1970	Schierke, DE	daily snow depth	100.0 cm (39.4 in)	65.0 cm (25.6 in)	81 years	72 of 100 (Major)
17 April 1970	Williston Sloulin Fld, US	daily snow depth	15.2 cm (6.0 in)	15.2 cm (6.0 in)	74 years	59 of 100 (Notable)
17 April 1970	Sidney, US	daily snow depth	12.7 cm (5.0 in)	12.7 cm (5.0 in)	59 years	57 of 100 (Notable)
17 April 1970	Ripley, US	daily rain	86.9 mm (3.4 in)	48.8 mm (1.9 in)	68 years	54 of 100 (Notable)
17 April 1970	Altastenberg, DE	daily snow depth	125.0 cm (49.2 in)	90.0 cm (35.4 in)	8 years	50 of 100 (Notable)
17 April 1970	Crosby, US	daily snow depth	30.5 cm (12.0 in)	30.5 cm (12.0 in)	60 years	49 of 100 (Notable)
17 April 1970	Windsor, AU	daily rain	28.4 mm (1.1 in)	19.8 mm (0.8 in)	48 years	48 of 100 (Notable)
17 April 1970	Challa, AU	daily rain	29.5 mm (1.2 in)	21.4 mm (0.8 in)	27 years	48 of 100 (Notable)
17 April 1970	Brocken, DE	daily snow depth	355.0 cm (139.8 in)	195.0 cm (76.8 in)	8 years	48 of 100 (Notable)
17 April 1970	Minot Exp STN, US	daily snow depth	35.6 cm (14.0 in)	30.5 cm (12.0 in)	11 years	47 of 100 (Notable)
17 April 1970	Fichtelberg, DE	daily snow depth	275.0 cm (108.3 in)	105.0 cm (41.3 in)	60 years	45 of 100 (Notable)
17 April 1970	Crossroads 2, US	daily rain	44.5 mm (1.8 in)	28.0 mm (1.1 in)	39 years	43 of 100 (Notable)
17 April 1970	Hettinger, US	monthly snow depth	17.8 cm (7.0 in)	5.1 cm (2.0 in)	23 years	42 of 100 (Notable)
17 April 1970	New Albany, US	daily rain	66.5 mm (2.6 in)	43.1 mm (1.7 in)	24 years	40 of 100 (Notable)
17 April 1970	Porter 2 E, US	daily rain	39.4 mm (1.6 in)	25.7 mm (1.0 in)	17 years	40 of 100 (Notable)
17 April 1970	Dickinson Exp STN, US	daily snow depth	17.8 cm (7.0 in)	15.3 cm (6.0 in)	12 years	39 of 100 (Notable)
17 April 1970	Faith, US	daily snow depth	15.2 cm (6.0 in)	15.2 cm (6.0 in)	43 years	38 of 100 (Notable)
17 April 1970	Bonito (Ibiapora), BR	daily rain	38.0 mm (1.5 in)	35.8 mm (1.4 in)	20 years	37 of 100 (Notable)
17 April 1970	Braunlage, DE	daily snow depth	69.0 cm (27.2 in)	58.0 cm (22.8 in)	0 years	37 of 100 (Notable)
17 April 1970	Dumas, US	daily rain	64.0 mm (2.5 in)	30.2 mm (1.2 in)	52 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

1799 to 1970

Records set or tied on this calendar date in each year from 1799 to 1970. 1970 had 547 records.

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

Records on 04-17 in each year
Year	Records
1799	1
1807	1
1808	1
1815	1
1817	1
1818	1
1819	1
1823	1
1825	1
1830	1
1835	3
1837	1
1845	1
1847	2
1851	1
1852	3
1853	1
1854	1
1855	1
1857	1
1858	1
1862	1
1865	2
1868	1
1873	4
1874	1
1875	3
1877	4
1878	2
1880	2
1889	1
1890	2
1891	2
1892	4
1894	5
1895	1
1896	5
1897	6
1898	3
1899	1
1900	2
1901	4
1902	4
1903	5
1904	19
1905	11
1906	14
1907	16
1908	38
1909	7
1910	29
1911	33
1912	27
1913	20
1914	83
1915	30
1916	30
1917	32
1918	35
1919	39
1920	87
1921	148
1922	96
1923	71
1924	74
1925	103
1926	140
1927	256
1928	308
1929	145
1930	238
1931	216
1932	615
1933	261
1934	234
1935	374
1936	308
1937	439
1938	564
1939	618
1940	337
1941	460
1942	415
1943	285
1944	334
1945	475
1946	492
1947	461
1948	622
1949	439
1950	293
1951	441
1952	529
1953	818
1954	650
1955	394
1956	486
1957	277
1958	702
1959	434
1960	553
1961	667
1962	597
1963	702
1964	766
1965	411
1966	409
1967	935
1968	745
1969	728
1970	547
1971	924
1972	546
1973	589
1974	244
1975	666
1976	1,630
1977	906
1978	620
1979	810
1980	675
1981	621
1982	965
1983	1,365
1984	720
1985	917
1986	997
1987	960
1988	1,082
1989	638
1990	1,065
1991	614
1992	1,105
1993	847
1994	1,047
1995	1,211
1996	1,044
1997	889
1998	1,795
1999	1,730
2000	1,082
2001	1,013
2002	2,284
2003	1,037
2004	761
2005	572
2006	1,430
2007	863
2008	842
2009	779
2010	606
2011	982
2012	920
2013	1,796
2014	913
2015	813
2016	977
2017	469
2018	1,585
2019	458
2020	1,165
2021	701
2022	831
2023	628
2024	690
2025	1,058
2026	838

Download the Data

Data for records on 1970-04-17: 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 250	452
250 to 500	3
500 to 750	2
750 to 1000	1
1000 to 1250	1
1250 to 1500	0
1500 to 1750	0
1750 to 2000	1