Weather Records on 1 April 1984

662 weather records were set or tied worldwide on 1 April 1984. Highest significance: Mayen, DE.

Key Facts for 1 April 1984

On 1 April 1984, 662 weather records were set or tied at long-record stations worldwide.
69 were record highs and 228 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 80 monthly and 582 daily.
Mayen set a daily record precipitation of 30.2 mm (1.2 in) on 1 April 1984.
Across 160 earlier years (1803 to 2026) the same calendar date averaged 476 records.

Record Map

662 stations

662 station records on 1 April 1984 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 1 April 1984: highest significance records shown on the map
Station	Country	Type	Value	Significance
Mayen	Germany	Record daily precipitation	30.2 mm (1.2 in)	58 of 100 (Notable)
Soderarm	Sweden	Record daily precipitation	32.4 mm (1.3 in)	56 of 100 (Notable)
Lorch/Rhein	Germany	Record daily precipitation	30.2 mm (1.2 in)	52 of 100 (Notable)
Waldshut	Germany	Record daily precipitation	39.0 mm (1.5 in)	52 of 100 (Notable)
Austin #2	United States	Record snow depth	50.8 cm (20.0 in)	52 of 100 (Notable)
Darwin Botanic Gardens	Australia	Record daily precipitation	78.0 mm (3.1 in)	51 of 100 (Notable)
Simmern-Wahlbach	Germany	Record daily precipitation	25.1 mm (1.0 in)	51 of 100 (Notable)
Heidenrod-Mappershain	Germany	Record daily precipitation	26.0 mm (1.0 in)	49 of 100 (Notable)
Cipo	Brazil	Record daily precipitation	82.6 mm (3.3 in)	46 of 100 (Notable)
Homburg/Saar	Germany	Record daily precipitation	28.1 mm (1.1 in)	46 of 100 (Notable)
Nurburg	Germany	Record daily precipitation	27.8 mm (1.1 in)	46 of 100 (Notable)
Fairfield	United States	Record daily precipitation	25.7 mm (1.0 in)	46 of 100 (Notable)
Ruppertsecken	Germany	Record daily precipitation	25.1 mm (1.0 in)	45 of 100 (Notable)
Austin #2	United States	Record daily precipitation	41.1 mm (1.6 in)	45 of 100 (Notable)
Austin #2	United States	Record daily snowfall	42.9 cm (16.9 in)	43 of 100 (Notable)
Ibapah	United States	Record daily precipitation	25.1 mm (1.0 in)	42 of 100 (Notable)
Ithaca Cornell UNIV	United States	Record snow depth	27.9 cm (11.0 in)	41 of 100 (Notable)
Ibapah	United States	Record snow depth	22.9 cm (9.0 in)	41 of 100 (Notable)
Elkhart	United States	Record daily precipitation	35.1 mm (1.4 in)	40 of 100 (Notable)
Hiawatha	United States	Record snow depth	22.9 cm (9.0 in)	40 of 100 (Notable)
Fazenda Salinas	Brazil	Record daily precipitation	57.7 mm (2.3 in)	39 of 100 (Notable)
Sprague	United States	Record daily precipitation	43.2 mm (1.7 in)	39 of 100 (Notable)
Dudinka	Russia	Record low maximum temperature	-30.4 C (-22.7 F)	38 of 100 (Notable)
Arhangelsk	Russia	Record high minimum temperature	1.6 C (34.9 F)	37 of 100 (Notable)
Hiawatha	United States	Record daily snowfall	19.1 cm (7.5 in)	37 of 100 (Notable)
Xingren	China	Record daily precipitation	38.6 mm (1.5 in)	36 of 100 (Notable)
Ozark	United States	Record low maximum temperature	6.7 C (44.1 F)	36 of 100 (Notable)
Saint Paul	United States	Record daily snowfall	10.2 cm (4.0 in)	36 of 100 (Notable)
Kemmerer 2N	United States	Record snow depth	22.9 cm (9.0 in)	36 of 100 (Notable)
Fuzhou	China	Record daily precipitation	76.9 mm (3.0 in)	35 of 100 (Notable)
Chester	United States	Record high minimum temperature	3.3 C (37.9 F)	35 of 100 (Notable)
Hartley 4 ESE	United States	Record daily precipitation	51.1 mm (2.0 in)	35 of 100 (Notable)
Columbus	United States	Record low maximum temperature	5.0 C (41.0 F)	34 of 100 (Routine)
Fall Rvr Lake	United States	Record low maximum temperature	4.4 C (39.9 F)	34 of 100 (Routine)
Hornell Almond Dam	United States	Record snow depth	22.9 cm (9.0 in)	34 of 100 (Routine)
Roetgen	Germany	Record daily precipitation	28.1 mm (1.1 in)	33 of 100 (Routine)
Juchitan de Zaragoza	Mexico	Record low minimum temperature	16.7 C (62.1 F)	33 of 100 (Routine)
Delta	United States	Record low maximum temperature	4.4 C (39.9 F)	33 of 100 (Routine)
Mc Cool Junction	United States	Record daily precipitation	47.5 mm (1.9 in)	33 of 100 (Routine)
Towanda 1 S	United States	Record snow depth	25.4 cm (10.0 in)	31 of 100 (Routine)
Lusk 2 SW	United States	Record daily snowfall	12.7 cm (5.0 in)	31 of 100 (Routine)
Kall-Sistig	Germany	Record daily precipitation	33.8 mm (1.3 in)	30 of 100 (Routine)
Candor 2SE	United States	Record snow depth	27.9 cm (11.0 in)	30 of 100 (Routine)
Spencer 2 N	United States	Record snow depth	30.5 cm (12.0 in)	30 of 100 (Routine)
Whitesville 1N	United States	Record snow depth	35.6 cm (14.0 in)	30 of 100 (Routine)
Taloga	United States	Record daily snowfall	5.1 cm (2.0 in)	30 of 100 (Routine)
Fairfield	United States	Record daily snowfall	15.2 cm (6.0 in)	30 of 100 (Routine)
Coalville	United States	Record daily snowfall	10.2 cm (4.0 in)	30 of 100 (Routine)
Isabela Substn	Puerto Rico [United States]	Record high maximum temperature	33.3 C (91.9 F)	29 of 100 (Routine)
Auberry 2 NW	United States	Record low minimum temperature	-2.2 C (28.0 F)	29 of 100 (Routine)
Durant	United States	Record low maximum temperature	12.2 C (54.0 F)	29 of 100 (Routine)
Clarksville	United States	Record low maximum temperature	7.2 C (45.0 F)	28 of 100 (Routine)
Tehachapi	United States	Record low maximum temperature	2.8 C (37.0 F)	28 of 100 (Routine)
Saint Paul	United States	Record daily precipitation	39.6 mm (1.6 in)	28 of 100 (Routine)
Conlen	United States	Record daily precipitation	27.9 mm (1.1 in)	28 of 100 (Routine)
Fairfield	United States	Record snow depth	15.2 cm (6.0 in)	28 of 100 (Routine)
Darwin Airport	Australia	Record daily precipitation	92.0 mm (3.6 in)	27 of 100 (Routine)
Choshi	Japan	Record low maximum temperature	5.0 C (41.0 F)	27 of 100 (Routine)
Essej	Russia	Record low maximum temperature	-31.0 C (-23.8 F)	27 of 100 (Routine)
Cassville 1 NE	United States	Record low maximum temperature	3.9 C (39.0 F)	27 of 100 (Routine)

Counts by Type and Timescale

662 records

Records set or tied on 1 April 1984 by type: Highest daily maximum 28, Lowest daily maximum 146, Highest daily minimum 41, Lowest daily minimum 82, Heaviest daily rainfall 266, Heaviest daily snowfall 32, Deepest snow cover 67.

Records on 1 April 1984 by type
Record type	Records
Highest daily maximum	28
Lowest daily maximum	146
Highest daily minimum	41
Lowest daily minimum	82
Heaviest daily rainfall	266
Heaviest daily snowfall	32
Deepest snow cover	67

Records on 1 April 1984 by timescale: all-time 0, monthly 80, daily 582.

How Much Records Were Beaten By

552 broken records

Margins by which the 552 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 233.0. Ties are not counted.

Top 20 by Significance

1 April 1984

Top 20 records on 1 April 1984 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
1 April 1984	Mayen, DE	daily rain	30.2 mm (1.2 in)	15.7 mm (0.6 in)	52 years	58 of 100 (Notable)
1 April 1984	Soderarm, SE	monthly rain	32.4 mm (1.3 in)	13.3 mm (0.5 in)	15 years	56 of 100 (Notable)
1 April 1984	Lorch/Rhein, DE	daily rain	30.2 mm (1.2 in)	23.7 mm (0.9 in)	30 years	52 of 100 (Notable)
1 April 1984	Waldshut, DE	daily rain	39.0 mm (1.5 in)	31.4 mm (1.2 in)	30 years	52 of 100 (Notable)
1 April 1984	Austin #2, US	monthly snow depth	50.8 cm (20.0 in)	12.7 cm (5.0 in)	58 years	52 of 100 (Notable)
1 April 1984	Darwin Botanic Gardens, AU	daily rain	78.0 mm (3.1 in)	53.9 mm (2.1 in)	63 years	51 of 100 (Notable)
1 April 1984	Simmern-Wahlbach, DE	daily rain	25.1 mm (1.0 in)	14.6 mm (0.6 in)	36 years	51 of 100 (Notable)
1 April 1984	Heidenrod-Mappershain, DE	daily rain	26.0 mm (1.0 in)	17.9 mm (0.7 in)	23 years	49 of 100 (Notable)
1 April 1984	Cipo, BR	daily rain	82.6 mm (3.3 in)	76.6 mm (3.0 in)	8 years	46 of 100 (Notable)
1 April 1984	Homburg/Saar, DE	daily rain	28.1 mm (1.1 in)	17.9 mm (0.7 in)	30 years	46 of 100 (Notable)
1 April 1984	Nurburg, DE	daily rain	27.8 mm (1.1 in)	14.6 mm (0.6 in)	30 years	46 of 100 (Notable)
1 April 1984	Fairfield, US	monthly rain	25.7 mm (1.0 in)	6.9 mm (0.27 in)	26 years	46 of 100 (Notable)
1 April 1984	Ruppertsecken, DE	daily rain	25.1 mm (1.0 in)	14.0 mm (0.6 in)	30 years	45 of 100 (Notable)
1 April 1984	Austin #2, US	daily rain	41.1 mm (1.6 in)	23.6 mm (0.9 in)	2 years	45 of 100 (Notable)
1 April 1984	Austin #2, US	daily snowfall	42.9 cm (16.9 in)	23.3 cm (9.2 in)	2 years	43 of 100 (Notable)
1 April 1984	Ibapah, US	daily rain	25.1 mm (1.0 in)	11.1 mm (0.4 in)	44 years	42 of 100 (Notable)
1 April 1984	Ithaca Cornell UNIV, US	monthly snow depth	27.9 cm (11.0 in)	2.5 cm (1.0 in)	65 years	41 of 100 (Notable)
1 April 1984	Ibapah, US	daily snow depth	22.9 cm (9.0 in)	22.9 cm (9.0 in)	38 years	41 of 100 (Notable)
1 April 1984	Elkhart, US	daily rain	35.1 mm (1.4 in)	9.7 mm (0.38 in)	79 years	40 of 100 (Notable)
1 April 1984	Hiawatha, US	monthly snow depth	22.9 cm (9.0 in)	10.2 cm (4.0 in)	49 years	40 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 1984

Records set or tied on this calendar date in each year from 1803 to 1984. 1984 had 662 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 1984-04-01: 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 50	512
50 to 100	30
100 to 150	7
150 to 200	0
200 to 250	3