Weather Records on 1 April 1971

384 weather records were set or tied worldwide on 1 April 1971. Highest significance: Lowville, US.

Key Facts for 1 April 1971

On 1 April 1971, 384 weather records were set or tied at long-record stations worldwide.
31 were record highs and 106 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 26 monthly and 357 daily.
Lowville set a monthly record snow depth of 50.8 cm (20.0 in) on 1 April 1971.
Across 160 earlier years (1803 to 2026) the same calendar date averaged 478 records.

Record Map

384 stations

384 station records on 1 April 1971 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 1 April 1971: highest significance records shown on the map
Station	Country	Type	Value	Significance
Lowville	United States	Record snow depth	50.8 cm (20.0 in)	71 of 100 (Major)
Canton 4 SE	United States	Record snow depth	68.6 cm (27.0 in)	71 of 100 (Major)
Hvar	Croatia	Record daily precipitation	34.0 mm (1.3 in)	64 of 100 (Major)
Pirlta	Australia	Record daily precipitation	31.2 mm (1.2 in)	55 of 100 (Notable)
Anthony Lagoon	Australia	Record daily precipitation	79.5 mm (3.1 in)	54 of 100 (Notable)
Koeifontein	South Africa	Record daily precipitation	36.0 mm (1.4 in)	50 of 100 (Notable)
Kruisrivier	South Africa	Record daily precipitation	47.0 mm (1.9 in)	49 of 100 (Notable)
Juncos 1 SE	Puerto Rico [United States]	Record daily precipitation	96.5 mm (3.8 in)	48 of 100 (Notable)
Bar Harbor 3 NW	United States	Record snow depth	40.6 cm (16.0 in)	48 of 100 (Notable)
Vine Creek	Australia	Record daily precipitation	104.1 mm (4.1 in)	47 of 100 (Notable)
Chasm Falls	United States	Record snow depth	101.6 cm (40.0 in)	47 of 100 (Notable)
Die Hoop	South Africa	Record daily precipitation	43.5 mm (1.7 in)	46 of 100 (Notable)
Houlton	United States	Record snow depth	101.6 cm (40.0 in)	46 of 100 (Notable)
Aibonito 1 S	Puerto Rico [United States]	Record daily precipitation	53.3 mm (2.1 in)	45 of 100 (Notable)
Rust-En-Vrede	South Africa	Record daily precipitation	52.0 mm (2.0 in)	45 of 100 (Notable)
Nova Olinda (Andreza)	Brazil	Record daily precipitation	96.1 mm (3.8 in)	44 of 100 (Notable)
Lansdowne House	Canada	Record daily snowfall	49.8 cm (19.6 in)	44 of 100 (Notable)
Geneva	United States	Record daily snowfall	20.3 cm (8.0 in)	43 of 100 (Notable)
Cape St James	Canada	Record daily precipitation	33.3 mm (1.3 in)	39 of 100 (Notable)
Grindstone Island	Canada	Record daily snowfall	6.4 cm (2.5 in)	39 of 100 (Notable)
Grootdoornrivier	South Africa	Record daily precipitation	26.5 mm (1.0 in)	39 of 100 (Notable)
Little Falls Mill St	United States	Record snow depth	20.3 cm (8.0 in)	39 of 100 (Notable)
Big Trout Lake	Canada	Record daily snowfall	17.3 cm (6.8 in)	38 of 100 (Notable)
Winthrop 1 WSW	United States	Record snow depth	61.0 cm (24.0 in)	38 of 100 (Notable)
Meilman	Australia	Record daily precipitation	27.4 mm (1.1 in)	37 of 100 (Notable)
Lawrenceville 3 SW	United States	Record snow depth	40.6 cm (16.0 in)	37 of 100 (Notable)
Riversdale	South Africa	Record daily precipitation	28.0 mm (1.1 in)	36 of 100 (Notable)
Sandy Lake Dam Libby	United States	Record daily snowfall	12.7 cm (5.0 in)	36 of 100 (Notable)
Lands End Station	Australia	Record daily precipitation	57.4 mm (2.3 in)	35 of 100 (Notable)
Evelyn State Forest	Australia	Record daily precipitation	50.0 mm (2.0 in)	35 of 100 (Notable)
Cidra 1 E	Puerto Rico [United States]	Record daily precipitation	38.6 mm (1.5 in)	35 of 100 (Notable)
Escanaba	United States	Record snow depth	53.3 cm (21.0 in)	35 of 100 (Notable)
Vondelingsfontein	South Africa	Record daily precipitation	27.5 mm (1.1 in)	34 of 100 (Routine)
Devoncourt Station	Australia	Record daily precipitation	83.8 mm (3.3 in)	33 of 100 (Routine)
Chatsworth	Australia	Record daily precipitation	56.4 mm (2.2 in)	33 of 100 (Routine)
Buffelsklip	South Africa	Record daily precipitation	54.2 mm (2.1 in)	33 of 100 (Routine)
Danbulla Forestry	Australia	Record daily precipitation	50.8 mm (2.0 in)	32 of 100 (Routine)
Lansdowne House	Canada	Record daily precipitation	49.3 mm (1.9 in)	32 of 100 (Routine)
Durbanville (Pol)	South Africa	Record daily precipitation	30.4 mm (1.2 in)	32 of 100 (Routine)
De Hoop	South Africa	Record daily precipitation	32.0 mm (1.3 in)	32 of 100 (Routine)
Georgetown 2 E	United States	Record low minimum temperature	-2.2 C (28.0 F)	32 of 100 (Routine)
Ravenshoe Kuradilla Street	Australia	Record daily precipitation	38.1 mm (1.5 in)	31 of 100 (Routine)
Vancouver 4 NNE	United States	Record low minimum temperature	-2.2 C (28.0 F)	31 of 100 (Routine)
Avon Downs	Australia	Record daily precipitation	48.8 mm (1.9 in)	30 of 100 (Routine)
Piaxtla	Mexico	Record low minimum temperature	10.0 C (50.0 F)	29 of 100 (Routine)
Saint Johnsbury	United States	Record snow depth	50.8 cm (20.0 in)	29 of 100 (Routine)
Cidra 1 E	Puerto Rico [United States]	Record low maximum temperature	23.3 C (73.9 F)	28 of 100 (Routine)
Cristina	Brazil	Record daily precipitation	49.0 mm (1.9 in)	27 of 100 (Routine)
Granada Station	Australia	Record daily precipitation	48.5 mm (1.9 in)	26 of 100 (Routine)
Sioux Lookout A	Canada	Record daily snowfall	22.9 cm (9.0 in)	26 of 100 (Routine)
Vilsandi	Estonia	Record high maximum temperature	10.6 C (51.1 F)	26 of 100 (Routine)
Deadwood Dam	United States	Record snow depth	172.7 cm (68.0 in)	26 of 100 (Routine)
Dickson	United States	Record daily precipitation	39.4 mm (1.6 in)	26 of 100 (Routine)
Moroni	United States	Record low minimum temperature	-11.7 C (10.9 F)	26 of 100 (Routine)
Koolatah Station	Australia	Record daily precipitation	94.0 mm (3.7 in)	25 of 100 (Routine)
Dryden	Canada	Record daily snowfall	9.7 cm (3.8 in)	25 of 100 (Routine)
Ponce 4 E	Puerto Rico [United States]	Record daily precipitation	29.2 mm (1.1 in)	25 of 100 (Routine)
Palisade	United States	Record low minimum temperature	-5.6 C (21.9 F)	25 of 100 (Routine)
Melbourne WFO	United States	Record low minimum temperature	5.0 C (41.0 F)	25 of 100 (Routine)
Tennant Creek Post Office	Australia	Record daily precipitation	30.0 mm (1.2 in)	24 of 100 (Routine)

Counts by Type and Timescale

384 records

Records set or tied on 1 April 1971 by type: Highest daily maximum 19, Lowest daily maximum 39, Highest daily minimum 12, Lowest daily minimum 67, Heaviest daily rainfall 200, Heaviest daily snowfall 28, Deepest snow cover 19.

Records on 1 April 1971 by type
Record type	Records
Highest daily maximum	19
Lowest daily maximum	39
Highest daily minimum	12
Lowest daily minimum	67
Heaviest daily rainfall	200
Heaviest daily snowfall	28
Deepest snow cover	19

Records on 1 April 1971 by timescale: all-time 1, monthly 26, daily 357.

How Much Records Were Beaten By

321 broken records

Margins by which the 321 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 432.0. Ties are not counted.

Top 20 by Significance

1 April 1971

Top 20 records on 1 April 1971 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
1 April 1971	Lowville, US	monthly snow depth	50.8 cm (20.0 in)	27.9 cm (11.0 in)	48 years	71 of 100 (Major)
1 April 1971	Canton 4 SE, US	monthly snow depth	68.6 cm (27.0 in)	43.2 cm (17.0 in)	48 years	71 of 100 (Major)
1 April 1971	Hvar, HR	daily rain	34.0 mm (1.3 in)	20.3 mm (0.8 in)	110 years	64 of 100 (Major)
1 April 1971	Pirlta, AU	daily rain	31.2 mm (1.2 in)	21.8 mm (0.9 in)	40 years	55 of 100 (Notable)
1 April 1971	Anthony Lagoon, AU	daily rain	79.5 mm (3.1 in)	68.8 mm (2.7 in)	26 years	54 of 100 (Notable)
1 April 1971	Koeifontein, ZA	daily rain	36.0 mm (1.4 in)	26.9 mm (1.1 in)	41 years	50 of 100 (Notable)
1 April 1971	Kruisrivier, ZA	daily rain	47.0 mm (1.9 in)	37.3 mm (1.5 in)	32 years	49 of 100 (Notable)
1 April 1971	Juncos 1 SE, PR	daily rain	96.5 mm (3.8 in)	82.8 mm (3.3 in)	14 years	48 of 100 (Notable)
1 April 1971	Bar Harbor 3 NW, US	monthly snow depth	40.6 cm (16.0 in)	7.6 cm (3.0 in)	64 years	48 of 100 (Notable)
1 April 1971	Vine Creek, AU	daily rain	104.1 mm (4.1 in)	49.5 mm (1.9 in)	26 years	47 of 100 (Notable)
1 April 1971	Chasm Falls, US	monthly snow depth	101.6 cm (40.0 in)	33.0 cm (13.0 in)	38 years	47 of 100 (Notable)
1 April 1971	Die Hoop, ZA	daily rain	43.5 mm (1.7 in)	39.7 mm (1.6 in)	28 years	46 of 100 (Notable)
1 April 1971	Houlton, US	monthly snow depth	101.6 cm (40.0 in)	30.5 cm (12.0 in)	31 years	46 of 100 (Notable)
1 April 1971	Aibonito 1 S, PR	daily rain	53.3 mm (2.1 in)	42.4 mm (1.7 in)	28 years	45 of 100 (Notable)
1 April 1971	Rust-En-Vrede, ZA	daily rain	52.0 mm (2.0 in)	42.0 mm (1.7 in)	1 year	45 of 100 (Notable)
1 April 1971	Nova Olinda (Andreza), BR	daily rain	96.1 mm (3.8 in)	72.7 mm (2.9 in)	21 years	44 of 100 (Notable)
1 April 1971	Lansdowne House, CA	all-time snowfall	49.8 cm (19.6 in)	9.7 cm (3.8 in)	7 years	44 of 100 (Notable)
1 April 1971	Geneva, US	daily snowfall	20.3 cm (8.0 in)	11.4 cm (4.5 in)	69 years	43 of 100 (Notable)
1 April 1971	Cape St James, CA	daily rain	33.3 mm (1.3 in)	16.0 mm (0.6 in)	37 years	39 of 100 (Notable)
1 April 1971	Grindstone Island, CA	daily snowfall	6.4 cm (2.5 in)	0.3 cm (0.1 in)	97 years	39 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 1971

Records set or tied on this calendar date in each year from 1803 to 1971. 1971 had 384 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 1971-04-01: 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).

Histogram of margins by which records were beaten on 1 April 1971
Margin	Records
0 to 100	308
100 to 200	9
200 to 300	1
300 to 400	2
400 to 500	1