Weather Records on 28 April 1973

915 weather records were set or tied worldwide on 28 April 1973. Highest significance: Walgett Council Depot, AU.

Key Facts for 28 April 1973

On 28 April 1973, 915 weather records were set or tied at long-record stations worldwide.
64 were record highs and 349 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 14 monthly and 901 daily.
Walgett Council Depot set a daily record precipitation of 52.6 mm (2.1 in) on 28 April 1973.
Across 161 earlier years (1795 to 2026) the same calendar date averaged 475 records.

Record Map

915 stations

915 station records on 28 April 1973 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 28 April 1973: highest significance records shown on the map
Station	Country	Type	Value	Significance
Walgett Council Depot	Australia	Record daily precipitation	52.6 mm (2.1 in)	73 of 100 (Major)
Cowley Station	Australia	Record daily precipitation	50.0 mm (2.0 in)	69 of 100 (Major)
Coonamble Comparison	Australia	Record daily precipitation	55.4 mm (2.2 in)	67 of 100 (Major)
Eastport	United States	Record daily precipitation	55.4 mm (2.2 in)	67 of 100 (Major)
Gillespie	Australia	Record daily precipitation	48.3 mm (1.9 in)	66 of 100 (Major)
Gagetown 2	Canada	Record daily precipitation	68.3 mm (2.7 in)	60 of 100 (Major)
Fredericton Cda	Canada	Record daily precipitation	59.2 mm (2.3 in)	59 of 100 (Notable)
Ruthven	Australia	Record daily precipitation	59.4 mm (2.3 in)	58 of 100 (Notable)
Listowel Downs	Australia	Record daily precipitation	76.5 mm (3.0 in)	58 of 100 (Notable)
Bimerah	Australia	Record daily precipitation	53.3 mm (2.1 in)	58 of 100 (Notable)
Yarronvale	Australia	Record daily precipitation	42.4 mm (1.7 in)	57 of 100 (Notable)
Orono	United States	Record daily precipitation	46.5 mm (1.8 in)	57 of 100 (Notable)
Isisford Post Office	Australia	Record daily precipitation	56.9 mm (2.2 in)	56 of 100 (Notable)
Ellsworth	United States	Record daily precipitation	60.2 mm (2.4 in)	56 of 100 (Notable)
Indigo	Australia	Record daily precipitation	43.2 mm (1.7 in)	55 of 100 (Notable)
St Andrews	Canada	Record daily precipitation	94.0 mm (3.7 in)	54 of 100 (Notable)
Springfield	Canada	Record daily precipitation	55.9 mm (2.2 in)	54 of 100 (Notable)
Cunnamulla Post Office	Australia	Record daily precipitation	25.7 mm (1.0 in)	52 of 100 (Notable)
Beechal	Australia	Record daily precipitation	37.6 mm (1.5 in)	51 of 100 (Notable)
Milo Station	Australia	Record daily precipitation	52.1 mm (2.1 in)	50 of 100 (Notable)
Terrick Terrick Stud	Australia	Record daily precipitation	48.3 mm (1.9 in)	50 of 100 (Notable)
Jedburgh Station	Australia	Record daily precipitation	58.4 mm (2.3 in)	50 of 100 (Notable)
Jundah Post Office	Australia	Record daily precipitation	27.2 mm (1.1 in)	50 of 100 (Notable)
Causapscal	Canada	Record daily precipitation	33.0 mm (1.3 in)	50 of 100 (Notable)
St George	Canada	Record daily precipitation	78.0 mm (3.1 in)	50 of 100 (Notable)
Stonehenge	Australia	Record daily precipitation	57.9 mm (2.3 in)	49 of 100 (Notable)
Iron River	Canada	Record daily snowfall	20.3 cm (8.0 in)	49 of 100 (Notable)
Lorne Peak	Australia	Record daily precipitation	83.1 mm (3.3 in)	48 of 100 (Notable)
Spring Creek	Australia	Record daily precipitation	34.5 mm (1.4 in)	48 of 100 (Notable)
Norley Station	Australia	Record daily precipitation	49.5 mm (1.9 in)	48 of 100 (Notable)
Coonamble (Warrana)	Australia	Record daily precipitation	52.8 mm (2.1 in)	48 of 100 (Notable)
Warrumbungle (Cheddington)	Australia	Record daily precipitation	42.9 mm (1.7 in)	48 of 100 (Notable)
Sydney (Observatory Hill)	Australia	Record high minimum temperature	20.6 C (69.1 F)	48 of 100 (Notable)
Machias	United States	Record daily precipitation	56.6 mm (2.2 in)	47 of 100 (Notable)
Mount Marlow	Australia	Record daily precipitation	96.5 mm (3.8 in)	46 of 100 (Notable)
Barnawartha	Australia	Record daily precipitation	34.8 mm (1.4 in)	46 of 100 (Notable)
Mount Morris	Australia	Record daily precipitation	45.2 mm (1.8 in)	45 of 100 (Notable)
Tombstone	United States	Record high minimum temperature	20.0 C (68.0 F)	45 of 100 (Notable)
Boatman Station	Australia	Record daily precipitation	52.3 mm (2.1 in)	44 of 100 (Notable)
Coonamble (Wingadee)	Australia	Record daily precipitation	38.1 mm (1.5 in)	44 of 100 (Notable)
Neilrex (Caigan)	Australia	Record daily precipitation	29.5 mm (1.2 in)	44 of 100 (Notable)
Serra Grande (Ibitirucu)	Brazil	Record daily precipitation	118.2 mm (4.7 in)	44 of 100 (Notable)
Aroostook	Canada	Record daily precipitation	55.1 mm (2.2 in)	44 of 100 (Notable)
Musquash	Canada	Record daily precipitation	43.7 mm (1.7 in)	44 of 100 (Notable)
Comongin North	Australia	Record daily precipitation	31.5 mm (1.2 in)	43 of 100 (Notable)
Adavale Post Office	Australia	Record daily precipitation	48.3 mm (1.9 in)	42 of 100 (Notable)
Pilliga (Nirvana)	Australia	Record daily precipitation	32.3 mm (1.3 in)	42 of 100 (Notable)
Bar Harbor 3 NW	United States	Record daily precipitation	66.0 mm (2.6 in)	42 of 100 (Notable)
Gumbardo	Australia	Record daily precipitation	29.7 mm (1.2 in)	41 of 100 (Notable)
Hebel Store	Australia	Record daily precipitation	56.6 mm (2.2 in)	41 of 100 (Notable)
McAdam	Canada	Record daily precipitation	82.6 mm (3.3 in)	41 of 100 (Notable)
Isis Downs	Australia	Record daily precipitation	56.6 mm (2.2 in)	40 of 100 (Notable)
Lightning Ridge Post Office	Australia	Record daily precipitation	49.0 mm (1.9 in)	40 of 100 (Notable)
Salmon Hole	Canada	Record daily precipitation	40.6 mm (1.6 in)	40 of 100 (Notable)
Goombie	Australia	Record daily precipitation	47.2 mm (1.9 in)	39 of 100 (Notable)
Lightning Ridge (Guiseley)	Australia	Record daily precipitation	36.8 mm (1.4 in)	39 of 100 (Notable)
Warrumbungle (Walla Walla)	Australia	Record daily precipitation	42.9 mm (1.7 in)	39 of 100 (Notable)
Taipu	Brazil	Record daily precipitation	76.2 mm (3.0 in)	39 of 100 (Notable)
Newport	United States	Record daily precipitation	27.9 mm (1.1 in)	39 of 100 (Notable)
Noonbah	Australia	Record daily precipitation	51.3 mm (2.0 in)	38 of 100 (Notable)

Counts by Type and Timescale

915 records

Records set or tied on 28 April 1973 by type: Highest daily maximum 29, Lowest daily maximum 121, Highest daily minimum 35, Lowest daily minimum 228, Heaviest daily rainfall 481, Heaviest daily snowfall 15, Deepest snow cover 6.

Records on 28 April 1973 by type
Record type	Records
Highest daily maximum	29
Lowest daily maximum	121
Highest daily minimum	35
Lowest daily minimum	228
Heaviest daily rainfall	481
Heaviest daily snowfall	15
Deepest snow cover	6

Records on 28 April 1973 by timescale: all-time 0, monthly 14, daily 901.

How Much Records Were Beaten By

776 broken records

Margins by which the 776 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 300.0. Ties are not counted.

Top 20 by Significance

28 April 1973

Top 20 records on 28 April 1973 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
28 April 1973	Walgett Council Depot, AU	daily rain	52.6 mm (2.1 in)	48.0 mm (1.9 in)	81 years	73 of 100 (Major)
28 April 1973	Cowley Station, AU	daily rain	50.0 mm (2.0 in)	49.5 mm (1.9 in)	82 years	69 of 100 (Major)
28 April 1973	Coonamble Comparison, AU	daily rain	55.4 mm (2.2 in)	37.9 mm (1.5 in)	94 years	67 of 100 (Major)
28 April 1973	Eastport, US	daily rain	55.4 mm (2.2 in)	45.2 mm (1.8 in)	64 years	67 of 100 (Major)
28 April 1973	Gillespie, AU	daily rain	48.3 mm (1.9 in)	48.3 mm (1.9 in)	94 years	66 of 100 (Major)
28 April 1973	Gagetown 2, CA	daily rain	68.3 mm (2.7 in)	49.0 mm (1.9 in)	44 years	60 of 100 (Major)
28 April 1973	Fredericton Cda, CA	daily rain	59.2 mm (2.3 in)	45.5 mm (1.8 in)	46 years	59 of 100 (Notable)
28 April 1973	Ruthven, AU	daily rain	59.4 mm (2.3 in)	55.6 mm (2.2 in)	52 years	58 of 100 (Notable)
28 April 1973	Listowel Downs, AU	daily rain	76.5 mm (3.0 in)	59.5 mm (2.3 in)	31 years	58 of 100 (Notable)
28 April 1973	Bimerah, AU	daily rain	53.3 mm (2.1 in)	53.3 mm (2.1 in)	85 years	58 of 100 (Notable)
28 April 1973	Yarronvale, AU	daily rain	42.4 mm (1.7 in)	42.4 mm (1.7 in)	79 years	57 of 100 (Notable)
28 April 1973	Orono, US	daily rain	46.5 mm (1.8 in)	28.5 mm (1.1 in)	64 years	57 of 100 (Notable)
28 April 1973	Isisford Post Office, AU	daily rain	56.9 mm (2.2 in)	52.6 mm (2.1 in)	81 years	56 of 100 (Notable)
28 April 1973	Ellsworth, US	daily rain	60.2 mm (2.4 in)	37.6 mm (1.5 in)	44 years	56 of 100 (Notable)
28 April 1973	Indigo, AU	daily rain	43.2 mm (1.7 in)	25.4 mm (1.0 in)	64 years	55 of 100 (Notable)
28 April 1973	St Andrews, CA	daily rain	94.0 mm (3.7 in)	76.2 mm (3.0 in)	15 years	54 of 100 (Notable)
28 April 1973	Springfield, CA	daily rain	55.9 mm (2.2 in)	35.6 mm (1.4 in)	44 years	54 of 100 (Notable)
28 April 1973	Cunnamulla Post Office, AU	daily rain	25.7 mm (1.0 in)	23.7 mm (0.9 in)	81 years	52 of 100 (Notable)
28 April 1973	Beechal, AU	daily rain	37.6 mm (1.5 in)	36.6 mm (1.4 in)	42 years	51 of 100 (Notable)
28 April 1973	Milo Station, AU	daily rain	52.1 mm (2.1 in)	50.1 mm (2.0 in)	31 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 1973

Records set or tied on this calendar date in each year from 1795 to 1973. 1973 had 915 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 1973-04-28: 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 50	760
50 to 100	14
100 to 150	0
150 to 200	1
200 to 250	0
250 to 300	1