Weather Records on 21 February 1970

545 weather records were set or tied worldwide on 21 February 1970. Highest significance: Karunagapalli, IN.

Key Facts for 21 February 1970

On 21 February 1970, 545 weather records were set or tied at long-record stations worldwide.
147 were record highs and 78 were record lows, counting maximum and minimum temperature.
By timescale, 4 were all-time records, 31 monthly and 510 daily.
Karunagapalli set a daily record precipitation of 52.1 mm (2.1 in) on 21 February 1970.
Across 164 earlier years (1795 to 2026) the same calendar date averaged 501 records.

Record Map

545 stations

545 station records on 21 February 1970 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 February 1970: highest significance records shown on the map
Station	Country	Type	Value	Significance
Karunagapalli	India	Record daily precipitation	52.1 mm (2.1 in)	64 of 100 (Major)
Heerde	Netherlands	Record daily precipitation	27.9 mm (1.1 in)	64 of 100 (Major)
Konigstuhl	Germany	Record daily precipitation	60.0 mm (2.4 in)	62 of 100 (Major)
Arnsberg	Germany	Record daily precipitation	29.6 mm (1.2 in)	61 of 100 (Major)
Beerfelden	Germany	Record daily precipitation	74.8 mm (2.9 in)	56 of 100 (Notable)
Rems-Murr-Kreis Winterbach	Germany	Record daily precipitation	49.8 mm (2.0 in)	56 of 100 (Notable)
Altastenberg	Germany	Record daily precipitation	37.2 mm (1.5 in)	55 of 100 (Notable)
Zugspitze	Germany	Record daily precipitation	51.6 mm (2.0 in)	52 of 100 (Notable)
Passau-Maierhof	Germany	Record daily precipitation	43.7 mm (1.7 in)	52 of 100 (Notable)
Arnhem	Netherlands	Record daily precipitation	25.3 mm (1.0 in)	52 of 100 (Notable)
Hillsboro	United States	Record daily snowfall	11.4 cm (4.5 in)	52 of 100 (Notable)
Cascata (Cmef)	Brazil	Record daily precipitation	141.8 mm (5.6 in)	51 of 100 (Notable)
Eppingen	Germany	Record daily precipitation	44.4 mm (1.7 in)	51 of 100 (Notable)
Bosque del Apache	United States	Record daily snowfall	10.2 cm (4.0 in)	49 of 100 (Notable)
Mococa	Brazil	Record daily precipitation	99.5 mm (3.9 in)	48 of 100 (Notable)
Serra Negra	Brazil	Record daily precipitation	140.0 mm (5.5 in)	48 of 100 (Notable)
Pommelsbrunn	Germany	Record daily precipitation	32.7 mm (1.3 in)	47 of 100 (Notable)
T.Narsipur	India	Record daily precipitation	43.2 mm (1.7 in)	47 of 100 (Notable)
Aachen	Germany	Record daily precipitation	28.3 mm (1.1 in)	45 of 100 (Notable)
Rusel-Irlmoos	Germany	Record daily precipitation	66.8 mm (2.6 in)	45 of 100 (Notable)
Frammersbach	Germany	Record daily precipitation	39.1 mm (1.5 in)	44 of 100 (Notable)
Kaisersbach-Cronhutte	Germany	Record daily precipitation	84.5 mm (3.3 in)	44 of 100 (Notable)
Monchengladbach	Germany	Record daily precipitation	26.3 mm (1.0 in)	43 of 100 (Notable)
Guanacevi (Smn)	Mexico	Record daily precipitation	34.8 mm (1.4 in)	43 of 100 (Notable)
Hollenstein (Kraftwerk)	Germany	Record daily precipitation	25.7 mm (1.0 in)	40 of 100 (Notable)
Iserlohn-Westig	Germany	Record daily precipitation	25.1 mm (1.0 in)	40 of 100 (Notable)
Remscheid-Lennep	Germany	Record daily precipitation	44.4 mm (1.7 in)	40 of 100 (Notable)
Bad Bruckenau (A)	Germany	Record daily precipitation	26.2 mm (1.0 in)	40 of 100 (Notable)
Zelinda	Brazil	Record daily precipitation	96.0 mm (3.8 in)	39 of 100 (Notable)
Eberbach/Neckar	Germany	Record daily precipitation	64.9 mm (2.6 in)	39 of 100 (Notable)
Metten	Germany	Record daily precipitation	36.4 mm (1.4 in)	39 of 100 (Notable)
Chintamani	India	Record daily precipitation	27.9 mm (1.1 in)	39 of 100 (Notable)
Vandanmettu	India	Record daily precipitation	58.4 mm (2.3 in)	39 of 100 (Notable)
Gopalpur	India	Record daily precipitation	45.2 mm (1.8 in)	39 of 100 (Notable)
Vargem Grande Do Sul	Brazil	Record daily precipitation	85.8 mm (3.4 in)	38 of 100 (Notable)
Santa Rosa de Viterbo (Cmef)	Brazil	Record daily precipitation	110.2 mm (4.3 in)	38 of 100 (Notable)
Pederneiras (Cpef) D5-005	Brazil	Record daily precipitation	86.0 mm (3.4 in)	38 of 100 (Notable)
Ellwangen-Rindelbach	Germany	Record daily precipitation	38.4 mm (1.5 in)	38 of 100 (Notable)
Barras	Brazil	Record daily precipitation	100.1 mm (3.9 in)	37 of 100 (Notable)
Changenachery	India	Record daily precipitation	58.4 mm (2.3 in)	36 of 100 (Notable)
Peermade Residen	India	Record daily precipitation	36.6 mm (1.4 in)	36 of 100 (Notable)
Virden	Canada	Record high minimum temperature	-10.0 C (14.0 F)	35 of 100 (Notable)
Weinsberg	Germany	Record daily precipitation	34.4 mm (1.4 in)	35 of 100 (Notable)
Beatty	United States	Record daily precipitation	25.9 mm (1.0 in)	35 of 100 (Notable)
Longreach Post Office	Australia	Record high minimum temperature	28.9 C (84.0 F)	34 of 100 (Routine)
Eppingen-Elsenz	Germany	Record daily precipitation	38.5 mm (1.5 in)	34 of 100 (Routine)
Schluchtern-Herolz	Germany	Record daily precipitation	30.8 mm (1.2 in)	34 of 100 (Routine)
Bagepalli	India	Record daily precipitation	45.7 mm (1.8 in)	34 of 100 (Routine)
Mimbres 4NNW	United States	Record daily snowfall	10.2 cm (4.0 in)	34 of 100 (Routine)
Tashkent	Uzbekistan	Record daily precipitation	29.0 mm (1.1 in)	34 of 100 (Routine)
Mairipora	Brazil	Record daily precipitation	102.4 mm (4.0 in)	33 of 100 (Routine)
Pemfling-Pitzling	Germany	Record daily precipitation	26.7 mm (1.1 in)	33 of 100 (Routine)
Socorro	United States	Record daily snowfall	7.6 cm (3.0 in)	33 of 100 (Routine)
Gossweinstein	Germany	Record daily precipitation	39.1 mm (1.5 in)	32 of 100 (Routine)
Miltenberg	Germany	Record daily precipitation	27.3 mm (1.1 in)	32 of 100 (Routine)
Las Vigas	Mexico	Record daily precipitation	27.4 mm (1.1 in)	32 of 100 (Routine)
Schwabisch Hall-Bibersfeld	Germany	Record daily precipitation	43.5 mm (1.7 in)	31 of 100 (Routine)
Garmisch-Partenkirchen	Germany	Record daily precipitation	38.8 mm (1.5 in)	31 of 100 (Routine)
Sitio Sao Geraldo	Brazil	Record daily precipitation	122.4 mm (4.8 in)	30 of 100 (Routine)
Eichstatt-Landershofen	Germany	Record daily precipitation	31.1 mm (1.2 in)	30 of 100 (Routine)

Counts by Type and Timescale

545 records

Records set or tied on 21 February 1970 by type: Highest daily maximum 115, Lowest daily maximum 51, Highest daily minimum 32, Lowest daily minimum 27, Heaviest daily rainfall 298, Heaviest daily snowfall 16, Deepest snow cover 6.

Records on 21 February 1970 by type
Record type	Records
Highest daily maximum	115
Lowest daily maximum	51
Highest daily minimum	32
Lowest daily minimum	27
Heaviest daily rainfall	298
Heaviest daily snowfall	16
Deepest snow cover	6

Records on 21 February 1970 by timescale: all-time 4, monthly 31, daily 510.

How Much Records Were Beaten By

464 broken records

Margins by which the 464 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 150.0. Ties are not counted.

Top 20 by Significance

21 February 1970

Top 20 records on 21 February 1970 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 February 1970	Karunagapalli, IN	daily rain	52.1 mm (2.1 in)	49.6 mm (2.0 in)	64 years	64 of 100 (Major)
21 February 1970	Heerde, NL	daily rain	27.9 mm (1.1 in)	14.5 mm (0.6 in)	76 years	64 of 100 (Major)
21 February 1970	Konigstuhl, DE	monthly rain	60.0 mm (2.4 in)	23.0 mm (0.9 in)	32 years	62 of 100 (Major)
21 February 1970	Arnsberg, DE	daily rain	29.6 mm (1.2 in)	16.0 mm (0.6 in)	72 years	61 of 100 (Major)
21 February 1970	Beerfelden, DE	monthly rain	74.8 mm (2.9 in)	27.1 mm (1.1 in)	8 years	56 of 100 (Notable)
21 February 1970	Rems-Murr-Kreis Winterbach, DE	monthly rain	49.8 mm (2.0 in)	18.1 mm (0.7 in)	12 years	56 of 100 (Notable)
21 February 1970	Altastenberg, DE	daily rain	37.2 mm (1.5 in)	18.5 mm (0.7 in)	63 years	55 of 100 (Notable)
21 February 1970	Zugspitze, DE	daily rain	51.6 mm (2.0 in)	22.9 mm (0.9 in)	64 years	52 of 100 (Notable)
21 February 1970	Passau-Maierhof, DE	daily rain	43.7 mm (1.7 in)	27.1 mm (1.1 in)	12 years	52 of 100 (Notable)
21 February 1970	Arnhem, NL	daily rain	25.3 mm (1.0 in)	14.2 mm (0.6 in)	39 years	52 of 100 (Notable)
21 February 1970	Hillsboro, US	daily snowfall	11.4 cm (4.5 in)	11.4 cm (4.5 in)	76 years	52 of 100 (Notable)
21 February 1970	Cascata (Cmef), BR	all-time rain	141.8 mm (5.6 in)	39.1 mm (1.5 in)	7 years	51 of 100 (Notable)
21 February 1970	Eppingen, DE	monthly rain	44.4 mm (1.7 in)	15.0 mm (0.6 in)	12 years	51 of 100 (Notable)
21 February 1970	Bosque del Apache, US	daily snowfall	10.2 cm (4.0 in)	10.2 cm (4.0 in)	75 years	49 of 100 (Notable)
21 February 1970	Mococa, BR	daily rain	99.5 mm (3.9 in)	56.6 mm (2.2 in)	19 years	48 of 100 (Notable)
21 February 1970	Serra Negra, BR	daily rain	140.0 mm (5.5 in)	97.6 mm (3.8 in)	19 years	48 of 100 (Notable)
21 February 1970	Pommelsbrunn, DE	daily rain	32.7 mm (1.3 in)	17.9 mm (0.7 in)	12 years	47 of 100 (Notable)
21 February 1970	T.Narsipur, IN	daily rain	43.2 mm (1.7 in)	20.3 mm (0.8 in)	68 years	47 of 100 (Notable)
21 February 1970	Aachen, DE	daily rain	28.3 mm (1.1 in)	15.2 mm (0.6 in)	12 years	45 of 100 (Notable)
21 February 1970	Rusel-Irlmoos, DE	daily rain	66.8 mm (2.6 in)	31.8 mm (1.3 in)	12 years	45 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

1795 to 1970

Records set or tied on this calendar date in each year from 1795 to 1970. 1970 had 545 records.

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

Records on 02-21 in each year
Year	Records
1795	1
1804	1
1810	3
1814	3
1838	1
1845	1
1846	2
1847	1
1849	2
1850	1
1851	1
1855	1
1856	1
1860	1
1861	1
1862	2
1870	2
1875	2
1876	1
1879	1
1880	2
1881	1
1882	1
1883	1
1884	1
1885	1
1886	3
1888	2
1889	4
1890	2
1891	1
1893	9
1894	2
1895	2
1896	1
1897	5
1898	14
1899	3
1900	1
1901	11
1902	8
1903	13
1904	12
1905	6
1906	51
1907	18
1908	12
1909	28
1910	26
1911	24
1912	26
1913	29
1914	25
1915	52
1916	82
1917	415
1918	80
1919	47
1920	23
1921	96
1922	157
1923	40
1924	84
1925	209
1926	101
1927	191
1928	81
1929	403
1930	1,334
1931	197
1932	159
1933	229
1934	423
1935	300
1936	617
1937	699
1938	181
1939	586
1940	159
1941	224
1942	552
1943	460
1944	313
1945	621
1946	149
1947	458
1948	511
1949	889
1950	492
1951	573
1952	356
1953	1,238
1954	958
1955	857
1956	460
1957	709
1958	993
1959	383
1960	493
1961	831
1962	590
1963	1,022
1964	357
1965	275
1966	574
1967	312
1968	1,177
1969	658
1970	545
1971	787
1972	717
1973	790
1974	634
1975	655
1976	845
1977	1,362
1978	1,382
1979	1,212
1980	837
1981	1,600
1982	1,074
1983	608
1984	518
1985	837
1986	1,341
1987	658
1988	633
1989	866
1990	1,971
1991	680
1992	418
1993	1,540
1994	980
1995	1,267
1996	1,742
1997	1,806
1998	1,100
1999	552
2000	812
2001	583
2002	934
2003	1,253
2004	629
2005	840
2006	801
2007	747
2008	1,131
2009	622
2010	1,156
2011	1,379
2012	540
2013	845
2014	881
2015	1,773
2016	1,151
2017	1,828
2018	2,891
2019	1,330
2020	547
2021	878
2022	734
2023	677
2024	647
2025	1,776
2026	552

Download the Data

Data for records on 1970-02-21: 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 2026-10-16 (16 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 20	413
20 to 40	32
40 to 60	14
60 to 80	1
80 to 100	1
100 to 120	2
120 to 140	0
140 to 160	1