Weather Records on 13 April 1973

701 weather records were set or tied worldwide on 13 April 1973. Highest significance: Cedar Rapids #1, US.

Key Facts for 13 April 1973

On 13 April 1973, 701 weather records were set or tied at long-record stations worldwide.
109 were record highs and 189 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 14 monthly and 687 daily.
Cedar Rapids #1 set a daily record snow depth of 10.2 cm (4.0 in) on 13 April 1973.
Across 164 earlier years (1798 to 2026) the same calendar date averaged 484 records.

Record Map

701 stations

701 station records on 13 April 1973 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 13 April 1973: highest significance records shown on the map
Station	Country	Type	Value	Significance
Cedar Rapids #1	United States	Record snow depth	10.2 cm (4.0 in)	70 of 100 (Major)
Mount Weld	Australia	Record daily precipitation	52.3 mm (2.1 in)	61 of 100 (Major)
Plauen	Germany	Record snow depth	12.0 cm (4.7 in)	58 of 100 (Notable)
Balladonia	Australia	Record daily precipitation	31.0 mm (1.2 in)	57 of 100 (Notable)
Ellwangen-Rindelbach	Germany	Record snow depth	15.0 cm (5.9 in)	53 of 100 (Notable)
Kookynie	Australia	Record daily precipitation	30.0 mm (1.2 in)	51 of 100 (Notable)
Jeedamya	Australia	Record daily precipitation	42.4 mm (1.7 in)	50 of 100 (Notable)
Minara	Australia	Record daily precipitation	44.5 mm (1.8 in)	50 of 100 (Notable)
Calmar	Canada	Record daily snowfall	21.3 cm (8.4 in)	50 of 100 (Notable)
Nanambinia	Australia	Record daily precipitation	48.3 mm (1.9 in)	49 of 100 (Notable)
Noondoonia O.S.	Australia	Record daily precipitation	29.2 mm (1.1 in)	48 of 100 (Notable)
Booylgoo Spring	Australia	Record daily precipitation	37.8 mm (1.5 in)	48 of 100 (Notable)
Kirrama Station	Australia	Record daily precipitation	57.4 mm (2.3 in)	48 of 100 (Notable)
Depot Springs	Australia	Record daily precipitation	45.7 mm (1.8 in)	47 of 100 (Notable)
Red Rvr	United States	Record snow depth	91.4 cm (36.0 in)	47 of 100 (Notable)
Glenorn	Australia	Record daily precipitation	43.2 mm (1.7 in)	45 of 100 (Notable)
Pedro II	Brazil	Record daily precipitation	154.2 mm (6.1 in)	45 of 100 (Notable)
Marrecas	Brazil	Record daily precipitation	65.5 mm (2.6 in)	45 of 100 (Notable)
Wastina Hemaruka	Canada	Record daily snowfall	6.6 cm (2.6 in)	44 of 100 (Notable)
Hughton	Canada	Record daily snowfall	15.2 cm (6.0 in)	44 of 100 (Notable)
Lichtentanne	Germany	Record snow depth	11.0 cm (4.3 in)	44 of 100 (Notable)
Sao Miguel Arcanjo	Brazil	Record daily precipitation	63.5 mm (2.5 in)	43 of 100 (Notable)
Piripiri	Brazil	Record daily precipitation	129.6 mm (5.1 in)	43 of 100 (Notable)
Edmonton City Centre A	Canada	Record daily snowfall	20.3 cm (8.0 in)	43 of 100 (Notable)
Ranfurly	Canada	Record daily snowfall	11.9 cm (4.7 in)	43 of 100 (Notable)
Muenster	Canada	Record daily snowfall	7.6 cm (3.0 in)	41 of 100 (Notable)
Col du Grand St-Bernard	Switzerland	Record low maximum temperature	-10.5 C (13.1 F)	40 of 100 (Notable)
Ebrach	Germany	Record snow depth	10.0 cm (3.9 in)	39 of 100 (Notable)
Tot-Ma	Russia	Record high minimum temperature	8.4 C (47.1 F)	39 of 100 (Notable)
New Hampton	United States	Record snow depth	10.2 cm (4.0 in)	39 of 100 (Notable)
Garsebach Bei Meissen	Germany	Record snow depth	12.0 cm (4.7 in)	38 of 100 (Notable)
Clohesy River	Australia	Record daily precipitation	59.7 mm (2.4 in)	37 of 100 (Notable)
Stettler	Canada	Record daily snowfall	16.5 cm (6.5 in)	37 of 100 (Notable)
Baddeck	Canada	Record low maximum temperature	0.6 C (33.1 F)	37 of 100 (Notable)
Hampton	United States	Record snow depth	15.2 cm (6.0 in)	37 of 100 (Notable)
Moorefield 1 SSE	United States	Record low minimum temperature	-7.2 C (19.0 F)	37 of 100 (Notable)
Parsons 3 SE	United States	Record low minimum temperature	-11.1 C (12.0 F)	37 of 100 (Notable)
Vlakplaats	South Africa	Record daily precipitation	34.5 mm (1.4 in)	35 of 100 (Notable)
Waynesboro 2 S	United States	Record low minimum temperature	0.0 C (32.0 F)	35 of 100 (Notable)
Frecheirinha	Brazil	Record daily precipitation	85.8 mm (3.4 in)	34 of 100 (Routine)
Sento SE	Brazil	Record daily precipitation	64.0 mm (2.5 in)	34 of 100 (Routine)
Lakeview 3 NE	United States	Record daily snowfall	5.6 cm (2.2 in)	34 of 100 (Routine)
Plymouth Wwtp	United States	Record snow depth	15.2 cm (6.0 in)	34 of 100 (Routine)
Baixo Cotia	Brazil	Record daily precipitation	42.5 mm (1.7 in)	33 of 100 (Routine)
Cococi	Brazil	Record daily precipitation	55.0 mm (2.2 in)	33 of 100 (Routine)
Bonham 3NNE	United States	Record daily precipitation	25.9 mm (1.0 in)	33 of 100 (Routine)
Clarendon	United States	Record daily precipitation	34.0 mm (1.3 in)	33 of 100 (Routine)
Tully Sugar Mill	Australia	Record daily precipitation	205.5 mm (8.1 in)	32 of 100 (Routine)
Pedregulho	Brazil	Record daily precipitation	44.2 mm (1.7 in)	32 of 100 (Routine)
Acude Sao Vicente	Brazil	Record daily precipitation	55.2 mm (2.2 in)	32 of 100 (Routine)
Attenkam	Germany	Record snow depth	10.0 cm (3.9 in)	32 of 100 (Routine)
Thomas	United States	Record daily snowfall	17.8 cm (7.0 in)	32 of 100 (Routine)
Mauston 1 SE	United States	Record snow depth	12.7 cm (5.0 in)	32 of 100 (Routine)
Wonganoo	Australia	Record daily precipitation	38.1 mm (1.5 in)	31 of 100 (Routine)
Pianco	Brazil	Record daily precipitation	69.3 mm (2.7 in)	31 of 100 (Routine)
Shenkursk	Russia	Record high minimum temperature	5.0 C (41.0 F)	31 of 100 (Routine)
Grinnell 3 SW	United States	Record snow depth	22.9 cm (9.0 in)	31 of 100 (Routine)
Sturt Meadows	Australia	Record daily precipitation	28.2 mm (1.1 in)	30 of 100 (Routine)
Terra Roxa	Brazil	Record daily precipitation	65.0 mm (2.6 in)	30 of 100 (Routine)
Fazenda Santa Cecilia	Brazil	Record daily precipitation	45.6 mm (1.8 in)	30 of 100 (Routine)

Counts by Type and Timescale

701 records

Records set or tied on 13 April 1973 by type: Highest daily maximum 41, Lowest daily maximum 62, Highest daily minimum 68, Lowest daily minimum 127, Heaviest daily rainfall 296, Heaviest daily snowfall 40, Deepest snow cover 67.

Records on 13 April 1973 by type
Record type	Records
Highest daily maximum	41
Lowest daily maximum	62
Highest daily minimum	68
Lowest daily minimum	127
Heaviest daily rainfall	296
Heaviest daily snowfall	40
Deepest snow cover	67

Records on 13 April 1973 by timescale: all-time 0, monthly 14, daily 687.

How Much Records Were Beaten By

608 broken records

Margins by which the 608 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 584.0. Ties are not counted.

Top 20 by Significance

13 April 1973

Top 20 records on 13 April 1973 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
13 April 1973	Cedar Rapids #1, US	daily snow depth	10.2 cm (4.0 in)	10.2 cm (4.0 in)	77 years	70 of 100 (Major)
13 April 1973	Mount Weld, AU	monthly rain	52.3 mm (2.1 in)	24.1 mm (0.9 in)	41 years	61 of 100 (Major)
13 April 1973	Plauen, DE	daily snow depth	12.0 cm (4.7 in)	10.0 cm (3.9 in)	62 years	58 of 100 (Notable)
13 April 1973	Balladonia, AU	daily rain	31.0 mm (1.2 in)	27.4 mm (1.1 in)	31 years	57 of 100 (Notable)
13 April 1973	Ellwangen-Rindelbach, DE	daily snow depth	15.0 cm (5.9 in)	14.0 cm (5.5 in)	36 years	53 of 100 (Notable)
13 April 1973	Kookynie, AU	daily rain	30.0 mm (1.2 in)	24.4 mm (1.0 in)	60 years	51 of 100 (Notable)
13 April 1973	Jeedamya, AU	daily rain	42.4 mm (1.7 in)	37.8 mm (1.5 in)	22 years	50 of 100 (Notable)
13 April 1973	Minara, AU	daily rain	44.5 mm (1.8 in)	38.1 mm (1.5 in)	10 years	50 of 100 (Notable)
13 April 1973	Calmar, CA	daily snowfall	21.3 cm (8.4 in)	14.9 cm (5.9 in)	38 years	50 of 100 (Notable)
13 April 1973	Nanambinia, AU	monthly rain	48.3 mm (1.9 in)	7.7 mm (0.30 in)	65 years	49 of 100 (Notable)
13 April 1973	Noondoonia O.S., AU	daily rain	29.2 mm (1.1 in)	26.7 mm (1.1 in)	16 years	48 of 100 (Notable)
13 April 1973	Booylgoo Spring, AU	daily rain	37.8 mm (1.5 in)	33.7 mm (1.3 in)	12 years	48 of 100 (Notable)
13 April 1973	Kirrama Station, AU	daily rain	57.4 mm (2.3 in)	27.9 mm (1.1 in)	60 years	48 of 100 (Notable)
13 April 1973	Depot Springs, AU	daily rain	45.7 mm (1.8 in)	41.9 mm (1.6 in)	12 years	47 of 100 (Notable)
13 April 1973	Red Rvr, US	daily snow depth	91.4 cm (36.0 in)	58.4 cm (23.0 in)	6 years	47 of 100 (Notable)
13 April 1973	Glenorn, AU	monthly rain	43.2 mm (1.7 in)	14.0 mm (0.6 in)	39 years	45 of 100 (Notable)
13 April 1973	Pedro II, BR	monthly rain	154.2 mm (6.1 in)	48.7 mm (1.9 in)	7 years	45 of 100 (Notable)
13 April 1973	Marrecas, BR	daily rain	65.5 mm (2.6 in)	55.4 mm (2.2 in)	8 years	45 of 100 (Notable)
13 April 1973	Wastina Hemaruka, CA	daily snowfall	6.6 cm (2.6 in)	6.6 cm (2.6 in)	59 years	44 of 100 (Notable)
13 April 1973	Hughton, CA	daily snowfall	15.2 cm (6.0 in)	10.1 cm (4.0 in)	28 years	44 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

1798 to 1973

Records set or tied on this calendar date in each year from 1798 to 1973. 1973 had 701 records.

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

Records on 04-13 in each year
Year	Records
1798	1
1806	1
1809	2
1812	1
1817	1
1830	1
1831	1
1834	1
1836	1
1837	1
1839	2
1849	1
1852	1
1854	1
1856	2
1862	1
1864	1
1865	3
1869	3
1872	1
1874	1
1875	3
1876	2
1878	1
1879	2
1882	2
1885	1
1886	3
1889	2
1890	8
1891	2
1892	4
1894	1
1895	1
1896	3
1897	4
1898	2
1899	2
1900	5
1901	1
1902	3
1903	11
1904	15
1905	9
1906	23
1907	16
1908	6
1909	37
1910	13
1911	32
1912	41
1913	62
1914	58
1915	17
1916	47
1917	36
1918	35
1919	26
1920	258
1921	59
1922	74
1923	125
1924	96
1925	137
1926	232
1927	167
1928	139
1929	117
1930	477
1931	339
1932	392
1933	489
1934	674
1935	480
1936	435
1937	185
1938	268
1939	857
1940	1,562
1941	1,085
1942	137
1943	745
1944	212
1945	978
1946	391
1947	532
1948	595
1949	302
1950	1,352
1951	715
1952	738
1953	609
1954	504
1955	665
1956	294
1957	714
1958	465
1959	515
1960	286
1961	669
1962	603
1963	353
1964	408
1965	656
1966	563
1967	665
1968	739
1969	324
1970	624
1971	390
1972	1,411
1973	701
1974	729
1975	675
1976	807
1977	1,066
1978	448
1979	715
1980	734
1981	872
1982	710
1983	1,394
1984	397
1985	746
1986	1,509
1987	768
1988	1,145
1989	1,671
1990	800
1991	1,326
1992	1,189
1993	574
1994	1,104
1995	789
1996	913
1997	2,451
1998	1,710
1999	631
2000	956
2001	1,013
2002	916
2003	1,245
2004	1,091
2005	425
2006	1,023
2007	1,271
2008	1,021
2009	760
2010	1,028
2011	761
2012	609
2013	759
2014	868
2015	607
2016	510
2017	454
2018	914
2019	736
2020	2,051
2021	465
2022	2,173
2023	1,433
2024	1,172
2025	952
2026	849

Download the Data

Data for records on 1973-04-13: 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 2026-10-15 (15 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	587
100 to 200	19
200 to 300	1
300 to 400	0
400 to 500	0
500 to 600	1