Weather Records on 1 April 1951

406 weather records were set or tied worldwide on 1 April 1951. Highest significance: Philipstown (Tnk), ZA.

Key Facts for 1 April 1951

On 1 April 1951, 406 weather records were set or tied at long-record stations worldwide.
74 were record highs and 34 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 22 monthly and 383 daily.
Philipstown (Tnk) set a daily record precipitation of 36.1 mm (1.4 in) on 1 April 1951.
Across 160 earlier years (1803 to 2026) the same calendar date averaged 478 records.

Record Map

406 stations

406 station records on 1 April 1951 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 1 April 1951: highest significance records shown on the map
Station	Country	Type	Value	Significance
Philipstown (Tnk)	South Africa	Record daily precipitation	36.1 mm (1.4 in)	48 of 100 (Notable)
Bodinayakkanur	India	Record daily precipitation	58.4 mm (2.3 in)	44 of 100 (Notable)
Waterval Wes	South Africa	Record daily precipitation	41.9 mm (1.6 in)	44 of 100 (Notable)
Giddalore	India	Record daily precipitation	48.0 mm (1.9 in)	42 of 100 (Notable)
Gvarv	Norway	Record snow depth	74.0 cm (29.1 in)	42 of 100 (Notable)
Mykland	Norway	Record snow depth	198.0 cm (78.0 in)	39 of 100 (Notable)
Greylingstad (Sar)	South Africa	Record daily precipitation	33.5 mm (1.3 in)	37 of 100 (Notable)
Saguache	United States	Record daily snowfall	16.5 cm (6.5 in)	36 of 100 (Notable)
Hiasen I Sigdal	Norway	Record snow depth	163.0 cm (64.2 in)	35 of 100 (Notable)
Katdoornput 29	South Africa	Record daily precipitation	52.8 mm (2.1 in)	35 of 100 (Notable)
Nes Pa Hedmark	Norway	Record snow depth	74.0 cm (29.1 in)	34 of 100 (Routine)
Herefoss	Norway	Record snow depth	192.0 cm (75.6 in)	34 of 100 (Routine)
Idomia	South Africa	Record daily precipitation	31.0 mm (1.2 in)	34 of 100 (Routine)
Stromsfoss Sluse	Norway	Record snow depth	71.0 cm (28.0 in)	33 of 100 (Routine)
Mykland	Norway	Record daily precipitation	50.1 mm (2.0 in)	33 of 100 (Routine)
Aseral	Norway	Record snow depth	176.0 cm (69.3 in)	33 of 100 (Routine)
Hedal I Valdres	Norway	Record snow depth	152.0 cm (59.8 in)	33 of 100 (Routine)
Petrusville (Pol)	South Africa	Record daily precipitation	27.7 mm (1.1 in)	33 of 100 (Routine)
Doornplaat	South Africa	Record daily precipitation	43.7 mm (1.7 in)	33 of 100 (Routine)
Minonk	United States	Record daily snowfall	6.4 cm (2.5 in)	33 of 100 (Routine)
Sedan	United States	Record daily precipitation	49.3 mm (1.9 in)	33 of 100 (Routine)
Nord Odal	Norway	Record snow depth	107.0 cm (42.1 in)	32 of 100 (Routine)
Marquard - Pol 29	South Africa	Record daily precipitation	42.7 mm (1.7 in)	32 of 100 (Routine)
Val (Sar)	South Africa	Record daily precipitation	30.2 mm (1.2 in)	32 of 100 (Routine)
Ignacio 1 N	United States	Record daily snowfall	34.3 cm (13.5 in)	32 of 100 (Routine)
Theunissen (Mun)	South Africa	Record daily precipitation	41.1 mm (1.6 in)	31 of 100 (Routine)
Cimarron 4 SW	United States	Record daily snowfall	25.4 cm (10.0 in)	30 of 100 (Routine)
Marble Bar Comparison	Australia	Record high minimum temperature	30.0 C (86.0 F)	29 of 100 (Routine)
Howell Wwtp	United States	Record daily snowfall	7.1 cm (2.8 in)	29 of 100 (Routine)
Balanpur	India	Record daily precipitation	25.4 mm (1.0 in)	28 of 100 (Routine)
Gjerstad I Aust-Agder	Norway	Record daily precipitation	47.4 mm (1.9 in)	28 of 100 (Routine)
Monierkhal	India	Record daily precipitation	65.0 mm (2.6 in)	27 of 100 (Routine)
Tweespruit	South Africa	Record daily precipitation	31.0 mm (1.2 in)	27 of 100 (Routine)
Big St Germain Dam	United States	Record daily snowfall	12.7 cm (5.0 in)	27 of 100 (Routine)
Sholavandan	India	Record daily precipitation	51.3 mm (2.0 in)	26 of 100 (Routine)
Kirov	Russia	Record high minimum temperature	3.0 C (37.4 F)	26 of 100 (Routine)
Sibsagar	India	Record daily precipitation	38.4 mm (1.5 in)	25 of 100 (Routine)
Lifjell	Norway	Record snow depth	142.0 cm (55.9 in)	25 of 100 (Routine)
Enisejsk	Russia	Record high minimum temperature	1.6 C (34.9 F)	25 of 100 (Routine)
Belmont (Pol)	South Africa	Record daily precipitation	48.8 mm (1.9 in)	25 of 100 (Routine)
Srikakulam	India	Record daily precipitation	25.4 mm (1.0 in)	24 of 100 (Routine)
Aurora	United States	Record daily snowfall	20.3 cm (8.0 in)	24 of 100 (Routine)
Natashquan A	Canada	Record high maximum temperature	11.1 C (52.0 F)	23 of 100 (Routine)
Tbilisi	Georgia	Record high minimum temperature	11.5 C (52.7 F)	23 of 100 (Routine)
Sarpsborg	Norway	Record snow depth	49.0 cm (19.3 in)	23 of 100 (Routine)
Kon-Kolodez	Russia	Record high maximum temperature	18.9 C (66.0 F)	23 of 100 (Routine)
Tatarsk	Russia	Record high maximum temperature	12.0 C (53.6 F)	23 of 100 (Routine)
Taganrog (Lighthouse)	Russia	Record high minimum temperature	9.9 C (49.8 F)	23 of 100 (Routine)
Hyannis	United States	Record high maximum temperature	15.6 C (60.1 F)	23 of 100 (Routine)
Niznij Novgorod	Russia	Record high maximum temperature	15.6 C (60.1 F)	22 of 100 (Routine)
Nandyal	India	Record daily precipitation	27.4 mm (1.1 in)	21 of 100 (Routine)
Hailakundi India	India	Record daily precipitation	52.8 mm (2.1 in)	21 of 100 (Routine)
Markovo	Russia	Record low maximum temperature	-27.9 C (-18.2 F)	21 of 100 (Routine)
Bogoroditskoye-Fenino	Russia	Record high maximum temperature	18.1 C (64.6 F)	21 of 100 (Routine)
Westminter Estate	South Africa	Record daily precipitation	30.5 mm (1.2 in)	21 of 100 (Routine)
Brandfort (Mag)	South Africa	Record daily precipitation	27.9 mm (1.1 in)	21 of 100 (Routine)
Senekal (Agr)	South Africa	Record daily precipitation	29.5 mm (1.2 in)	21 of 100 (Routine)
Bedford	United States	Record low maximum temperature	3.3 C (37.9 F)	21 of 100 (Routine)
Grand Rapids Wb City	United States	Record daily snowfall	7.4 cm (2.9 in)	21 of 100 (Routine)
Iron Mtn-Kingsford Wwtp	United States	Record daily precipitation	57.2 mm (2.3 in)	21 of 100 (Routine)

Counts by Type and Timescale

406 records

Records set or tied on 1 April 1951 by type: Highest daily maximum 37, Lowest daily maximum 6, Highest daily minimum 37, Lowest daily minimum 28, Heaviest daily rainfall 229, Heaviest daily snowfall 43, Deepest snow cover 26.

Records on 1 April 1951 by type
Record type	Records
Highest daily maximum	37
Lowest daily maximum	6
Highest daily minimum	37
Lowest daily minimum	28
Heaviest daily rainfall	229
Heaviest daily snowfall	43
Deepest snow cover	26

Records on 1 April 1951 by timescale: all-time 1, monthly 22, daily 383.

How Much Records Were Beaten By

356 broken records

Margins by which the 356 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 640.0. Ties are not counted.

Top 20 by Significance

1 April 1951

Top 20 records on 1 April 1951 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
1 April 1951	Philipstown (Tnk), ZA	daily rain	36.1 mm (1.4 in)	15.8 mm (0.6 in)	71 years	48 of 100 (Notable)
1 April 1951	Bodinayakkanur, IN	daily rain	58.4 mm (2.3 in)	43.2 mm (1.7 in)	29 years	44 of 100 (Notable)
1 April 1951	Waterval Wes, ZA	daily rain	41.9 mm (1.6 in)	29.2 mm (1.1 in)	21 years	44 of 100 (Notable)
1 April 1951	Giddalore, IN	daily rain	48.0 mm (1.9 in)	42.9 mm (1.7 in)	22 years	42 of 100 (Notable)
1 April 1951	Gvarv, NO	monthly snow depth	74.0 cm (29.1 in)	26.0 cm (10.2 in)	22 years	42 of 100 (Notable)
1 April 1951	Mykland, NO	monthly snow depth	198.0 cm (78.0 in)	64.0 cm (25.2 in)	13 years	39 of 100 (Notable)
1 April 1951	Greylingstad (Sar), ZA	daily rain	33.5 mm (1.3 in)	26.6 mm (1.0 in)	4 years	37 of 100 (Notable)
1 April 1951	Saguache, US	daily snowfall	16.5 cm (6.5 in)	11.4 cm (4.5 in)	45 years	36 of 100 (Notable)
1 April 1951	Hiasen I Sigdal, NO	monthly snow depth	163.0 cm (64.2 in)	18.0 cm (7.1 in)	50 years	35 of 100 (Notable)
1 April 1951	Katdoornput 29, ZA	daily rain	52.8 mm (2.1 in)	26.6 mm (1.0 in)	32 years	35 of 100 (Notable)
1 April 1951	Nes Pa Hedmark, NO	monthly snow depth	74.0 cm (29.1 in)	22.0 cm (8.7 in)	15 years	34 of 100 (Routine)
1 April 1951	Herefoss, NO	monthly snow depth	192.0 cm (75.6 in)	42.0 cm (16.5 in)	13 years	34 of 100 (Routine)
1 April 1951	Idomia, ZA	daily rain	31.0 mm (1.2 in)	24.6 mm (1.0 in)	32 years	34 of 100 (Routine)
1 April 1951	Stromsfoss Sluse, NO	monthly snow depth	71.0 cm (28.0 in)	19.0 cm (7.5 in)	13 years	33 of 100 (Routine)
1 April 1951	Mykland, NO	monthly rain	50.1 mm (2.0 in)	7.1 mm (0.28 in)	28 years	33 of 100 (Routine)
1 April 1951	Aseral, NO	monthly snow depth	176.0 cm (69.3 in)	27.0 cm (10.6 in)	33 years	33 of 100 (Routine)
1 April 1951	Hedal I Valdres, NO	monthly snow depth	152.0 cm (59.8 in)	19.0 cm (7.5 in)	41 years	33 of 100 (Routine)
1 April 1951	Petrusville (Pol), ZA	daily rain	27.7 mm (1.1 in)	10.7 mm (0.4 in)	55 years	33 of 100 (Routine)
1 April 1951	Doornplaat, ZA	daily rain	43.7 mm (1.7 in)	24.9 mm (1.0 in)	16 years	33 of 100 (Routine)
1 April 1951	Minonk, US	daily snowfall	6.4 cm (2.5 in)	6.4 cm (2.5 in)	54 years	33 of 100 (Routine)

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 1951

Records set or tied on this calendar date in each year from 1803 to 1951. 1951 had 406 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 1951-04-01: 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 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Margin	Records
0 to 100	342
100 to 200	7
200 to 300	5
300 to 400	0
400 to 500	1
500 to 600	0
600 to 700	1