Weather Records on 1 April 1978

1,013 weather records were set or tied worldwide on 1 April 1978. Highest significance: Glenwood Spgs #2, US.

Key Facts for 1 April 1978

On 1 April 1978, 1,013 weather records were set or tied at long-record stations worldwide.
528 were record highs and 56 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 30 monthly and 982 daily.
Glenwood Spgs #2 set a monthly record daily precipitation of 45.2 mm (1.8 in) on 1 April 1978.
Across 160 earlier years (1803 to 2026) the same calendar date averaged 474 records.

Record Map

1,013 stations

1,013 station records on 1 April 1978 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 1 April 1978: highest significance records shown on the map
Station	Country	Type	Value	Significance
Glenwood Spgs #2	United States	Record daily precipitation	45.2 mm (1.8 in)	69 of 100 (Major)
Miles Post Office	Australia	Record daily precipitation	48.6 mm (1.9 in)	60 of 100 (Major)
Pilot Rock 1 SE	United States	Record daily precipitation	30.5 mm (1.2 in)	58 of 100 (Notable)
Coorada	Australia	Record daily precipitation	82.0 mm (3.2 in)	56 of 100 (Notable)
Isabela Substn	Puerto Rico [United States]	Record daily precipitation	63.5 mm (2.5 in)	56 of 100 (Notable)
Lyndhurst Station	Australia	Record daily precipitation	63.0 mm (2.5 in)	55 of 100 (Notable)
Deal Island	Australia	Record daily precipitation	40.2 mm (1.6 in)	55 of 100 (Notable)
Normandin Cda	Canada	Record daily snowfall	30.2 cm (11.9 in)	55 of 100 (Notable)
Moscow U of I	United States	Record daily precipitation	28.7 mm (1.1 in)	55 of 100 (Notable)
Hart Mtn Refuge	United States	Record daily precipitation	36.8 mm (1.4 in)	55 of 100 (Notable)
Taroom Post Office	Australia	Record daily precipitation	51.2 mm (2.0 in)	54 of 100 (Notable)
Indooroopilly Bowls Club	Australia	Record daily precipitation	61.2 mm (2.4 in)	53 of 100 (Notable)
Coleman Fisheries STN	United States	Record daily precipitation	79.8 mm (3.1 in)	53 of 100 (Notable)
Emerald Post Office	Australia	Record daily precipitation	30.0 mm (1.2 in)	50 of 100 (Notable)
Eidsvold Post Office	Australia	Record daily precipitation	90.0 mm (3.5 in)	50 of 100 (Notable)
University of Queensland Gatto	Australia	Record daily precipitation	58.9 mm (2.3 in)	49 of 100 (Notable)
Alturas	United States	Record daily precipitation	26.4 mm (1.0 in)	49 of 100 (Notable)
Barrydale (Pol)	South Africa	Record daily precipitation	50.0 mm (2.0 in)	48 of 100 (Notable)
Berlin	United States	Record snow depth	55.9 cm (22.0 in)	48 of 100 (Notable)
Emerald Post Office	Australia	Record low maximum temperature	19.0 C (66.2 F)	47 of 100 (Notable)
Fernflat	Australia	Record daily precipitation	45.0 mm (1.8 in)	47 of 100 (Notable)
Doorawarrah	Australia	Record daily precipitation	57.0 mm (2.2 in)	45 of 100 (Notable)
Surat	Australia	Record daily precipitation	29.2 mm (1.1 in)	45 of 100 (Notable)
Ladybrand (Skl)	South Africa	Record daily precipitation	37.0 mm (1.5 in)	45 of 100 (Notable)
"Kageon" Dawes	Australia	Record daily precipitation	63.8 mm (2.5 in)	44 of 100 (Notable)
Glen Alvon	Australia	Record daily precipitation	38.8 mm (1.5 in)	44 of 100 (Notable)
Woleebee Nevasa	Australia	Record daily precipitation	46.6 mm (1.8 in)	43 of 100 (Notable)
Inglewood Post Office	Australia	Record daily precipitation	31.2 mm (1.2 in)	43 of 100 (Notable)
Manati 2 E	Puerto Rico [United States]	Record daily precipitation	83.8 mm (3.3 in)	42 of 100 (Notable)
Lynway	Australia	Record daily precipitation	40.2 mm (1.6 in)	41 of 100 (Notable)
Dulacca Truck Stop	Australia	Record daily precipitation	44.2 mm (1.7 in)	41 of 100 (Notable)
Forest Vale	Australia	Record daily precipitation	32.0 mm (1.3 in)	41 of 100 (Notable)
Parau	Brazil	Record daily precipitation	78.0 mm (3.1 in)	41 of 100 (Notable)
Parapua	Brazil	Record daily precipitation	80.2 mm (3.2 in)	40 of 100 (Notable)
Arvida	Canada	Record daily precipitation	30.5 mm (1.2 in)	40 of 100 (Notable)
Drillham Post Office	Australia	Record daily precipitation	48.0 mm (1.9 in)	39 of 100 (Notable)
Rockdale	Australia	Record daily precipitation	31.5 mm (1.2 in)	39 of 100 (Notable)
Barra da Estiva	Brazil	Record daily precipitation	62.6 mm (2.5 in)	39 of 100 (Notable)
Albanel	Canada	Record daily precipitation	25.9 mm (1.0 in)	39 of 100 (Notable)
Catemaco	Mexico	Record low minimum temperature	5.0 C (41.0 F)	39 of 100 (Notable)
Cape May 2 NW	United States	Record high maximum temperature	25.0 C (77.0 F)	39 of 100 (Notable)
Kalarka Railway Station	Australia	Record daily precipitation	98.0 mm (3.9 in)	38 of 100 (Notable)
Dinmore Post Office	Australia	Record daily precipitation	37.0 mm (1.5 in)	38 of 100 (Notable)
Columboola	Australia	Record daily precipitation	38.0 mm (1.5 in)	38 of 100 (Notable)
Pendleton Branch Exp STN	United States	Record daily precipitation	25.9 mm (1.0 in)	38 of 100 (Notable)
South Newbury	United States	Record daily snowfall	10.2 cm (4.0 in)	38 of 100 (Notable)
Peakvale Station	Australia	Record daily precipitation	33.0 mm (1.3 in)	37 of 100 (Notable)
Thangool Airport	Australia	Record daily precipitation	56.4 mm (2.2 in)	37 of 100 (Notable)
Lakeview 2 NNW	United States	Record daily precipitation	26.4 mm (1.0 in)	37 of 100 (Notable)
Kinnoul	Australia	Record daily precipitation	57.0 mm (2.2 in)	36 of 100 (Notable)
Didcot	Australia	Record daily precipitation	29.6 mm (1.2 in)	36 of 100 (Notable)
Pechey Forestry	Australia	Record daily precipitation	45.0 mm (1.8 in)	36 of 100 (Notable)
Arvida	Canada	Record daily snowfall	30.5 cm (12.0 in)	36 of 100 (Notable)
Athens 5 NW	United States	Record high minimum temperature	14.4 C (57.9 F)	36 of 100 (Notable)
Warra Post Office	Australia	Record daily precipitation	31.0 mm (1.2 in)	35 of 100 (Notable)
Muckadilla Post Office	Australia	Record daily precipitation	25.0 mm (1.0 in)	35 of 100 (Notable)
Portsea Quarantine Station	Australia	Record daily precipitation	27.0 mm (1.1 in)	35 of 100 (Notable)
St. Petersburg	Russia	Record high minimum temperature	2.8 C (37.0 F)	35 of 100 (Notable)
Adelaide West Terrace	Australia	Record low minimum temperature	8.1 C (46.6 F)	34 of 100 (Routine)
Mineirolandia	Brazil	Record daily precipitation	63.2 mm (2.5 in)	34 of 100 (Routine)

Counts by Type and Timescale

1,013 records

Records set or tied on 1 April 1978 by type: Highest daily maximum 259, Lowest daily maximum 32, Highest daily minimum 269, Lowest daily minimum 24, Heaviest daily rainfall 387, Heaviest daily snowfall 39, Deepest snow cover 3.

Records on 1 April 1978 by type
Record type	Records
Highest daily maximum	259
Lowest daily maximum	32
Highest daily minimum	269
Lowest daily minimum	24
Heaviest daily rainfall	387
Heaviest daily snowfall	39
Deepest snow cover	3

Records on 1 April 1978 by timescale: all-time 1, monthly 30, daily 982.

How Much Records Were Beaten By

836 broken records

Margins by which the 836 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 251.0. Ties are not counted.

Top 20 by Significance

1 April 1978

Top 20 records on 1 April 1978 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
1 April 1978	Glenwood Spgs #2, US	monthly rain	45.2 mm (1.8 in)	19.8 mm (0.8 in)	39 years	69 of 100 (Major)
1 April 1978	Miles Post Office, AU	daily rain	48.6 mm (1.9 in)	35.6 mm (1.4 in)	75 years	60 of 100 (Major)
1 April 1978	Pilot Rock 1 SE, US	daily rain	30.5 mm (1.2 in)	20.6 mm (0.8 in)	37 years	58 of 100 (Notable)
1 April 1978	Coorada, AU	daily rain	82.0 mm (3.2 in)	68.3 mm (2.7 in)	53 years	56 of 100 (Notable)
1 April 1978	Isabela Substn, PR	daily rain	63.5 mm (2.5 in)	49.5 mm (1.9 in)	55 years	56 of 100 (Notable)
1 April 1978	Lyndhurst Station, AU	daily rain	63.0 mm (2.5 in)	43.2 mm (1.7 in)	67 years	55 of 100 (Notable)
1 April 1978	Deal Island, AU	daily rain	40.2 mm (1.6 in)	21.4 mm (0.8 in)	59 years	55 of 100 (Notable)
1 April 1978	Normandin Cda, CA	daily snowfall	30.2 cm (11.9 in)	25.1 cm (9.9 in)	36 years	55 of 100 (Notable)
1 April 1978	Moscow U of I, US	daily rain	28.7 mm (1.1 in)	14.5 mm (0.6 in)	55 years	55 of 100 (Notable)
1 April 1978	Hart Mtn Refuge, US	monthly rain	36.8 mm (1.4 in)	17.2 mm (0.7 in)	4 years	55 of 100 (Notable)
1 April 1978	Taroom Post Office, AU	daily rain	51.2 mm (2.0 in)	25.8 mm (1.0 in)	87 years	54 of 100 (Notable)
1 April 1978	Indooroopilly Bowls Club, AU	daily rain	61.2 mm (2.4 in)	35.3 mm (1.4 in)	77 years	53 of 100 (Notable)
1 April 1978	Coleman Fisheries STN, US	monthly rain	79.8 mm (3.1 in)	37.6 mm (1.5 in)	1 year	53 of 100 (Notable)
1 April 1978	Emerald Post Office, AU	daily rain	30.0 mm (1.2 in)	23.6 mm (0.9 in)	83 years	50 of 100 (Notable)
1 April 1978	Eidsvold Post Office, AU	monthly rain	90.0 mm (3.5 in)	9.5 mm (0.37 in)	84 years	50 of 100 (Notable)
1 April 1978	University of Queensland Gatto, AU	daily rain	58.9 mm (2.3 in)	23.3 mm (0.9 in)	72 years	49 of 100 (Notable)
1 April 1978	Alturas, US	monthly rain	26.4 mm (1.0 in)	9.1 mm (0.36 in)	29 years	49 of 100 (Notable)
1 April 1978	Barrydale (Pol), ZA	daily rain	50.0 mm (2.0 in)	48.0 mm (1.9 in)	11 years	48 of 100 (Notable)
1 April 1978	Berlin, US	monthly snow depth	55.9 cm (22.0 in)	12.7 cm (5.0 in)	56 years	48 of 100 (Notable)
1 April 1978	Emerald Post Office, AU	daily low max	19.0 C (66.2 F)	3.8 C (6.8 F)	83 years	47 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 1978

Records set or tied on this calendar date in each year from 1803 to 1978. 1978 had 1,013 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 1978-04-01: 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	819
50 to 100	14
100 to 150	1
150 to 200	1
200 to 250	0
250 to 300	1