Weather Records on 28 April 1975

795 weather records were set or tied worldwide on 28 April 1975. Highest significance: Hastings Dam 2, US.

Key Facts for 28 April 1975

On 28 April 1975, 795 weather records were set or tied at long-record stations worldwide.
121 were record highs and 222 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 39 monthly and 756 daily.
Hastings Dam 2 set a monthly record daily precipitation of 78.7 mm (3.1 in) on 28 April 1975.
Across 161 earlier years (1795 to 2026) the same calendar date averaged 476 records.

Record Map

795 stations

795 station records on 28 April 1975 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 28 April 1975: highest significance records shown on the map
Station	Country	Type	Value	Significance
Hastings Dam 2	United States	Record daily precipitation	78.7 mm (3.1 in)	70 of 100 (Major)
Caledonia	United States	Record daily precipitation	67.1 mm (2.6 in)	66 of 100 (Major)
Faribault	United States	Record daily precipitation	46.7 mm (1.8 in)	65 of 100 (Major)
Waukesha Wwtp	United States	Record daily precipitation	49.3 mm (1.9 in)	63 of 100 (Major)
Osage	United States	Record daily precipitation	77.5 mm (3.1 in)	61 of 100 (Major)
Britt 3E	United States	Record daily precipitation	98.0 mm (3.9 in)	60 of 100 (Major)
Decorah	United States	Record daily precipitation	59.4 mm (2.3 in)	60 of 100 (Major)
Ida Grove 5NW	United States	Record daily precipitation	68.1 mm (2.7 in)	59 of 100 (Notable)
Elkader 6 SSW	United States	Record daily precipitation	55.6 mm (2.2 in)	58 of 100 (Notable)
Lake City	United States	Record daily precipitation	81.3 mm (3.2 in)	58 of 100 (Notable)
Viroqua	United States	Record daily precipitation	98.6 mm (3.9 in)	58 of 100 (Notable)
New England	United States	Record daily precipitation	52.6 mm (2.1 in)	57 of 100 (Notable)
Polis	Cyprus	Record daily precipitation	33.6 mm (1.3 in)	56 of 100 (Notable)
Spring Grove	United States	Record daily precipitation	51.6 mm (2.0 in)	55 of 100 (Notable)
Pierre Rgnl AP	United States	Record daily precipitation	38.6 mm (1.5 in)	54 of 100 (Notable)
Algona	United States	Record daily precipitation	51.1 mm (2.0 in)	53 of 100 (Notable)
Hatfield	United States	Record daily precipitation	48.5 mm (1.9 in)	52 of 100 (Notable)
Wallowa	United States	Record daily snowfall	8.9 cm (3.5 in)	50 of 100 (Notable)
Elm Springs 3 ESE	United States	Record daily precipitation	43.4 mm (1.7 in)	50 of 100 (Notable)
Portage Wwtp	United States	Record daily precipitation	50.3 mm (2.0 in)	50 of 100 (Notable)
Chicoutimi	Canada	Record daily snowfall	7.9 cm (3.1 in)	49 of 100 (Notable)
Perry	United States	Record daily precipitation	58.2 mm (2.3 in)	49 of 100 (Notable)
Sac City	United States	Record daily precipitation	47.8 mm (1.9 in)	49 of 100 (Notable)
Martin	United States	Record daily precipitation	52.8 mm (2.1 in)	49 of 100 (Notable)
Winona	United States	Record daily precipitation	60.2 mm (2.4 in)	48 of 100 (Notable)
W Pt	United States	Record daily precipitation	52.1 mm (2.1 in)	48 of 100 (Notable)
Bison	United States	Record daily precipitation	71.1 mm (2.8 in)	47 of 100 (Notable)
Boerne	United States	Record daily precipitation	110.5 mm (4.4 in)	47 of 100 (Notable)
Galesville 2WSW	United States	Record daily precipitation	78.2 mm (3.1 in)	47 of 100 (Notable)
Harlan	United States	Record daily precipitation	35.6 mm (1.4 in)	46 of 100 (Notable)
Faith	United States	Record daily precipitation	37.8 mm (1.5 in)	46 of 100 (Notable)
Blair	United States	Record daily precipitation	46.5 mm (1.8 in)	46 of 100 (Notable)
Theilman 1SSW	United States	Record daily precipitation	49.5 mm (1.9 in)	45 of 100 (Notable)
Hilland 2 NW	United States	Record daily precipitation	36.8 mm (1.4 in)	45 of 100 (Notable)
Hancock Exp Farm	United States	Record daily precipitation	49.3 mm (1.9 in)	45 of 100 (Notable)
Mauston 1 SE	United States	Record daily precipitation	41.9 mm (1.6 in)	45 of 100 (Notable)
Schuyler	United States	Record daily precipitation	45.2 mm (1.8 in)	44 of 100 (Notable)
Mandan Exp STN	United States	Record daily precipitation	44.2 mm (1.7 in)	44 of 100 (Notable)
Midland	United States	Record daily precipitation	37.6 mm (1.5 in)	44 of 100 (Notable)
West Bend	United States	Record daily precipitation	34.5 mm (1.4 in)	44 of 100 (Notable)
Dunn Ctr 1E	United States	Record daily precipitation	31.2 mm (1.2 in)	42 of 100 (Notable)
Parshall	United States	Record daily precipitation	40.1 mm (1.6 in)	42 of 100 (Notable)
Mapleton No.2	United States	Record daily precipitation	59.7 mm (2.4 in)	41 of 100 (Notable)
York	United States	Record daily precipitation	49.5 mm (1.9 in)	41 of 100 (Notable)
Rugby	United States	Record daily precipitation	33.3 mm (1.3 in)	41 of 100 (Notable)
Westhope	United States	Record daily precipitation	37.1 mm (1.5 in)	41 of 100 (Notable)
Cresco 1 NE	United States	Record daily precipitation	38.9 mm (1.5 in)	40 of 100 (Notable)
Northwood	United States	Record daily precipitation	49.8 mm (2.0 in)	40 of 100 (Notable)
Pine River 3 NE	United States	Record daily precipitation	37.1 mm (1.5 in)	40 of 100 (Notable)
Forrest City	United States	Record daily precipitation	28.4 mm (1.1 in)	39 of 100 (Notable)
Ft Dodge 5NNW	United States	Record daily precipitation	54.1 mm (2.1 in)	39 of 100 (Notable)
Zumbrota	United States	Record daily precipitation	35.8 mm (1.4 in)	39 of 100 (Notable)
Plymouth Wwtp	United States	Record daily precipitation	32.0 mm (1.3 in)	39 of 100 (Notable)
Prairie du Sac 2 N	United States	Record daily precipitation	42.2 mm (1.7 in)	39 of 100 (Notable)
Mineral-Nye-Vody	Russia	Record daily precipitation	27.9 mm (1.1 in)	38 of 100 (Notable)
Waukon 3NNE	United States	Record daily precipitation	44.7 mm (1.8 in)	38 of 100 (Notable)
Harrison	United States	Record daily precipitation	30.5 mm (1.2 in)	38 of 100 (Notable)
Deadwood	United States	Record daily precipitation	32.5 mm (1.3 in)	38 of 100 (Notable)
Ft Meade	United States	Record daily precipitation	30.5 mm (1.2 in)	38 of 100 (Notable)
Dodgeville Wwtp	United States	Record daily precipitation	53.3 mm (2.1 in)	38 of 100 (Notable)

Counts by Type and Timescale

795 records

Records set or tied on 28 April 1975 by type: Highest daily maximum 54, Lowest daily maximum 100, Highest daily minimum 67, Lowest daily minimum 122, Heaviest daily rainfall 417, Heaviest daily snowfall 27, Deepest snow cover 8.

Records on 28 April 1975 by type
Record type	Records
Highest daily maximum	54
Lowest daily maximum	100
Highest daily minimum	67
Lowest daily minimum	122
Heaviest daily rainfall	417
Heaviest daily snowfall	27
Deepest snow cover	8

Records on 28 April 1975 by timescale: all-time 0, monthly 39, daily 756.

How Much Records Were Beaten By

661 broken records

Margins by which the 661 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 585.0. Ties are not counted.

Top 20 by Significance

28 April 1975

Top 20 records on 28 April 1975 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
28 April 1975	Hastings Dam 2, US	monthly rain	78.7 mm (3.1 in)	31.2 mm (1.2 in)	41 years	70 of 100 (Major)
28 April 1975	Caledonia, US	daily rain	67.1 mm (2.6 in)	35.3 mm (1.4 in)	75 years	66 of 100 (Major)
28 April 1975	Faribault, US	daily rain	46.7 mm (1.8 in)	31.2 mm (1.2 in)	56 years	65 of 100 (Major)
28 April 1975	Waukesha Wwtp, US	daily rain	49.3 mm (1.9 in)	33.6 mm (1.3 in)	56 years	63 of 100 (Major)
28 April 1975	Osage, US	monthly rain	77.5 mm (3.1 in)	32.5 mm (1.3 in)	11 years	61 of 100 (Major)
28 April 1975	Britt 3E, US	monthly rain	98.0 mm (3.9 in)	44.9 mm (1.8 in)	11 years	60 of 100 (Major)
28 April 1975	Decorah, US	daily rain	59.4 mm (2.3 in)	28.9 mm (1.1 in)	75 years	60 of 100 (Major)
28 April 1975	Ida Grove 5NW, US	monthly rain	68.1 mm (2.7 in)	19.3 mm (0.8 in)	71 years	59 of 100 (Notable)
28 April 1975	Elkader 6 SSW, US	daily rain	55.6 mm (2.2 in)	27.9 mm (1.1 in)	78 years	58 of 100 (Notable)
28 April 1975	Lake City, US	monthly rain	81.3 mm (3.2 in)	31.8 mm (1.3 in)	8 years	58 of 100 (Notable)
28 April 1975	Viroqua, US	monthly rain	98.6 mm (3.9 in)	40.2 mm (1.6 in)	2 years	58 of 100 (Notable)
28 April 1975	New England, US	daily rain	52.6 mm (2.1 in)	36.1 mm (1.4 in)	32 years	57 of 100 (Notable)
28 April 1975	Polis, CY	daily rain	33.6 mm (1.3 in)	27.8 mm (1.1 in)	54 years	56 of 100 (Notable)
28 April 1975	Spring Grove, US	daily rain	51.6 mm (2.0 in)	39.9 mm (1.6 in)	36 years	55 of 100 (Notable)
28 April 1975	Pierre Rgnl AP, US	daily rain	38.6 mm (1.5 in)	19.8 mm (0.8 in)	60 years	54 of 100 (Notable)
28 April 1975	Algona, US	daily rain	51.1 mm (2.0 in)	29.3 mm (1.2 in)	58 years	53 of 100 (Notable)
28 April 1975	Hatfield, US	daily rain	48.5 mm (1.9 in)	23.9 mm (0.9 in)	56 years	52 of 100 (Notable)
28 April 1975	Wallowa, US	daily snowfall	8.9 cm (3.5 in)	8.9 cm (3.5 in)	69 years	50 of 100 (Notable)
28 April 1975	Elm Springs 3 ESE, US	daily rain	43.4 mm (1.7 in)	35.8 mm (1.4 in)	18 years	50 of 100 (Notable)
28 April 1975	Portage Wwtp, US	daily rain	50.3 mm (2.0 in)	19.8 mm (0.8 in)	65 years	50 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 1975

Records set or tied on this calendar date in each year from 1795 to 1975. 1975 had 795 records.

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

Records on 04-28 in each year
Year	Records
1795	1
1800	1
1803	1
1814	2
1817	4
1840	1
1841	1
1843	1
1844	1
1853	1
1857	2
1861	1
1862	1
1866	2
1871	1
1872	1
1874	5
1877	2
1878	1
1879	1
1882	2
1883	1
1885	1
1888	1
1889	1
1890	2
1891	3
1892	4
1893	1
1894	2
1895	3
1896	2
1897	2
1898	5
1899	2
1900	6
1901	7
1902	11
1903	3
1904	13
1905	6
1906	9
1907	19
1908	24
1909	43
1910	12
1911	29
1912	13
1913	69
1914	28
1915	46
1916	15
1917	41
1918	18
1919	63
1920	51
1921	89
1922	87
1923	126
1924	70
1925	114
1926	265
1927	132
1928	713
1929	136
1930	105
1931	291
1932	247
1933	327
1934	530
1935	430
1936	143
1937	698
1938	444
1939	356
1940	348
1941	268
1942	665
1943	442
1944	245
1945	371
1946	418
1947	547
1948	545
1949	580
1950	661
1951	617
1952	894
1953	482
1954	900
1955	583
1956	812
1957	614
1958	535
1959	647
1960	582
1961	222
1962	603
1963	568
1964	394
1965	707
1966	800
1967	947
1968	536
1969	432
1970	1,977
1971	570
1972	523
1973	915
1974	777
1975	795
1976	822
1977	533
1978	496
1979	783
1980	644
1981	967
1982	710
1983	1,156
1984	1,357
1985	959
1986	1,029
1987	1,822
1988	967
1989	1,089
1990	1,608
1991	913
1992	2,252
1993	1,191
1994	1,906
1995	726
1996	967
1997	1,784
1998	942
1999	632
2000	1,113
2001	1,015
2002	1,287
2003	958
2004	887
2005	1,056
2006	782
2007	1,340
2008	1,407
2009	979
2010	905
2011	1,161
2012	1,135
2013	721
2014	704
2015	468
2016	783
2017	829
2018	384
2019	662
2020	535
2021	482
2022	532
2023	834
2024	594
2025	650
2026	521

Download the Data

Data for records on 1975-04-28: 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 100	656
100 to 200	2
200 to 300	2
300 to 400	0
400 to 500	0
500 to 600	1