Weather Records on 15 April 1973

667 weather records were set or tied worldwide on 15 April 1973. Highest significance: Miami, US.

Key Facts for 15 April 1973

On 15 April 1973, 667 weather records were set or tied at long-record stations worldwide.
146 were record highs and 132 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 8 monthly and 659 daily.
Miami set a monthly record daily precipitation of 81.3 mm (3.2 in) on 15 April 1973.
Across 159 earlier years (1801 to 2026) the same calendar date averaged 492 records.

Record Map

667 stations

667 station records on 15 April 1973 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 15 April 1973: highest significance records shown on the map
Station	Country	Type	Value	Significance
Miami	United States	Record daily precipitation	81.3 mm (3.2 in)	63 of 100 (Major)
Spencer 1 N	United States	Record daily precipitation	49.0 mm (1.9 in)	60 of 100 (Major)
Gonzales 2S	United States	Record daily precipitation	71.1 mm (2.8 in)	59 of 100 (Notable)
Ericson 8 WNW	United States	Record daily precipitation	58.7 mm (2.3 in)	55 of 100 (Notable)
Riomedina	United States	Record daily precipitation	68.6 mm (2.7 in)	54 of 100 (Notable)
Georgetown Post Office	Australia	Record low maximum temperature	23.5 C (74.3 F)	53 of 100 (Notable)
Forest City 2 NNE	United States	Record daily precipitation	46.0 mm (1.8 in)	51 of 100 (Notable)
Pawhuska	United States	Record daily precipitation	69.6 mm (2.7 in)	50 of 100 (Notable)
Dryer 1 NW	United States	Record daily precipitation	96.5 mm (3.8 in)	47 of 100 (Notable)
Flatonia 4SE	United States	Record daily precipitation	68.6 mm (2.7 in)	47 of 100 (Notable)
Independence	United States	Record daily precipitation	68.6 mm (2.7 in)	45 of 100 (Notable)
Neligh	United States	Record daily precipitation	45.7 mm (1.8 in)	45 of 100 (Notable)
O'Neill	United States	Record daily precipitation	57.7 mm (2.3 in)	44 of 100 (Notable)
Midwest	United States	Record daily precipitation	25.4 mm (1.0 in)	43 of 100 (Notable)
Melbourne Regional Office	Australia	Record high minimum temperature	18.4 C (65.1 F)	42 of 100 (Notable)
Jefferson	United States	Record daily precipitation	39.4 mm (1.6 in)	42 of 100 (Notable)
Big Timber	United States	Record low minimum temperature	-14.4 C (6.1 F)	42 of 100 (Notable)
Ewing	United States	Record daily precipitation	55.9 mm (2.2 in)	42 of 100 (Notable)
Schulenburg	United States	Record daily precipitation	66.5 mm (2.6 in)	41 of 100 (Notable)
Naboomspruit (Pol)	South Africa	Record daily precipitation	48.3 mm (1.9 in)	40 of 100 (Notable)
Humboldt 3 W	United States	Record daily precipitation	37.3 mm (1.5 in)	39 of 100 (Notable)
Canton	United States	Record daily precipitation	39.9 mm (1.6 in)	39 of 100 (Notable)
Fischers Store	United States	Record daily precipitation	58.4 mm (2.3 in)	39 of 100 (Notable)
Elim (Hosp)	South Africa	Record daily precipitation	31.3 mm (1.2 in)	38 of 100 (Notable)
Sioux Rapids	United States	Record daily precipitation	37.1 mm (1.5 in)	38 of 100 (Notable)
La Crosse Muni AP	United States	Record daily precipitation	52.3 mm (2.1 in)	38 of 100 (Notable)
Emmetsburg	United States	Record daily precipitation	35.1 mm (1.4 in)	37 of 100 (Notable)
Uitzicht	South Africa	Record daily precipitation	51.0 mm (2.0 in)	36 of 100 (Notable)
Audubon	United States	Record daily precipitation	35.1 mm (1.4 in)	36 of 100 (Notable)
Logan 1 WNW	United States	Record daily precipitation	33.3 mm (1.3 in)	36 of 100 (Notable)
Red Rvr	United States	Record snow depth	71.1 cm (28.0 in)	36 of 100 (Notable)
McAlester Rgnl AP	United States	Record daily precipitation	64.3 mm (2.5 in)	36 of 100 (Notable)
Ekaterinburg	Russia	Record high maximum temperature	23.2 C (73.8 F)	35 of 100 (Notable)
Premier Mine-Cullinan	South Africa	Record daily precipitation	27.0 mm (1.1 in)	35 of 100 (Notable)
Ft Valley	United States	Record snow depth	50.8 cm (20.0 in)	35 of 100 (Notable)
Spicer	United States	Record daily snowfall	12.7 cm (5.0 in)	35 of 100 (Notable)
Albert Lea 3SE	United States	Record daily precipitation	42.2 mm (1.7 in)	35 of 100 (Notable)
La Grange	United States	Record daily precipitation	51.3 mm (2.0 in)	35 of 100 (Notable)
Lincoln UNIV Pwr Plt	United States	Record daily precipitation	33.3 mm (1.3 in)	35 of 100 (Notable)
Zametchino	Russia	Record high minimum temperature	9.1 C (48.4 F)	34 of 100 (Routine)
Mbarara	Uganda	Record daily precipitation	43.9 mm (1.7 in)	34 of 100 (Routine)
Britt 3E	United States	Record daily precipitation	27.9 mm (1.1 in)	34 of 100 (Routine)
Rock Rapids	United States	Record daily precipitation	39.4 mm (1.6 in)	34 of 100 (Routine)
Vaalkop	South Africa	Record daily precipitation	70.0 mm (2.8 in)	33 of 100 (Routine)
Columbus	United States	Record daily precipitation	62.2 mm (2.4 in)	33 of 100 (Routine)
Dorset	South Africa	Record daily precipitation	33.0 mm (1.3 in)	32 of 100 (Routine)
Bright Angel Rs	United States	Record daily snowfall	15.2 cm (6.0 in)	32 of 100 (Routine)
Crested Butte	United States	Record daily snowfall	12.7 cm (5.0 in)	32 of 100 (Routine)
Driggs	United States	Record low minimum temperature	-16.7 C (1.9 F)	32 of 100 (Routine)
Estherville 4E	United States	Record daily precipitation	28.2 mm (1.1 in)	32 of 100 (Routine)
Bozeman Montana State UNIV	United States	Record low minimum temperature	-10.6 C (12.9 F)	32 of 100 (Routine)
Burketown Post Office	Australia	Record low maximum temperature	26.0 C (78.8 F)	31 of 100 (Routine)
Chapple Vale	Australia	Record daily precipitation	66.0 mm (2.6 in)	31 of 100 (Routine)
Austin Waste Wtp Facility	United States	Record daily precipitation	44.2 mm (1.7 in)	31 of 100 (Routine)
Bloomfield	United States	Record daily precipitation	37.1 mm (1.5 in)	31 of 100 (Routine)
Hallettsville 2 N	United States	Record daily precipitation	53.3 mm (2.1 in)	31 of 100 (Routine)
Hereford	United States	Record high minimum temperature	12.8 C (55.0 F)	31 of 100 (Routine)
Kamennaja-Step	Russia	Record high minimum temperature	9.0 C (48.2 F)	30 of 100 (Routine)
Creighton	United States	Record daily precipitation	45.5 mm (1.8 in)	30 of 100 (Routine)
Gettysburg	United States	Record low minimum temperature	-5.6 C (21.9 F)	30 of 100 (Routine)

Counts by Type and Timescale

667 records

Records set or tied on 15 April 1973 by type: Highest daily maximum 56, Lowest daily maximum 39, Highest daily minimum 90, Lowest daily minimum 93, Heaviest daily rainfall 346, Heaviest daily snowfall 28, Deepest snow cover 15.

Records on 15 April 1973 by type
Record type	Records
Highest daily maximum	56
Lowest daily maximum	39
Highest daily minimum	90
Lowest daily minimum	93
Heaviest daily rainfall	346
Heaviest daily snowfall	28
Deepest snow cover	15

Records on 15 April 1973 by timescale: all-time 0, monthly 8, daily 659.

How Much Records Were Beaten By

588 broken records

Margins by which the 588 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 305.0. Ties are not counted.

Top 20 by Significance

15 April 1973

Top 20 records on 15 April 1973 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
15 April 1973	Miami, US	monthly rain	81.3 mm (3.2 in)	30.5 mm (1.2 in)	45 years	63 of 100 (Major)
15 April 1973	Spencer 1 N, US	daily rain	49.0 mm (1.9 in)	29.7 mm (1.2 in)	54 years	60 of 100 (Major)
15 April 1973	Gonzales 2S, US	daily rain	71.1 mm (2.8 in)	65.3 mm (2.6 in)	56 years	59 of 100 (Notable)
15 April 1973	Ericson 8 WNW, US	daily rain	58.7 mm (2.3 in)	42.4 mm (1.7 in)	35 years	55 of 100 (Notable)
15 April 1973	Riomedina, US	daily rain	68.6 mm (2.7 in)	61.5 mm (2.4 in)	50 years	54 of 100 (Notable)
15 April 1973	Georgetown Post Office, AU	daily low max	23.5 C (74.3 F)	4.9 C (8.8 F)	76 years	53 of 100 (Notable)
15 April 1973	Forest City 2 NNE, US	daily rain	46.0 mm (1.8 in)	22.6 mm (0.9 in)	56 years	51 of 100 (Notable)
15 April 1973	Pawhuska, US	daily rain	69.6 mm (2.7 in)	48.0 mm (1.9 in)	39 years	50 of 100 (Notable)
15 April 1973	Dryer 1 NW, US	daily rain	96.5 mm (3.8 in)	91.4 mm (3.6 in)	16 years	47 of 100 (Notable)
15 April 1973	Flatonia 4SE, US	daily rain	68.6 mm (2.7 in)	47.5 mm (1.9 in)	56 years	47 of 100 (Notable)
15 April 1973	Independence, US	daily rain	68.6 mm (2.7 in)	38.6 mm (1.5 in)	32 years	45 of 100 (Notable)
15 April 1973	Neligh, US	daily rain	45.7 mm (1.8 in)	28.9 mm (1.1 in)	20 years	45 of 100 (Notable)
15 April 1973	O'Neill, US	daily rain	57.7 mm (2.3 in)	15.5 mm (0.6 in)	72 years	44 of 100 (Notable)
15 April 1973	Midwest, US	daily rain	25.4 mm (1.0 in)	20.8 mm (0.8 in)	32 years	43 of 100 (Notable)
15 April 1973	Melbourne Regional Office, AU	daily high min	18.4 C (65.1 F)	0.7 C (1.3 F)	111 years	42 of 100 (Notable)
15 April 1973	Jefferson, US	daily rain	39.4 mm (1.6 in)	20.6 mm (0.8 in)	52 years	42 of 100 (Notable)
15 April 1973	Big Timber, US	daily low min	-14.4 C (6.1 F)	5.0 C (9.0 F)	76 years	42 of 100 (Notable)
15 April 1973	Ewing, US	daily rain	55.9 mm (2.2 in)	28.0 mm (1.1 in)	20 years	42 of 100 (Notable)
15 April 1973	Schulenburg, US	daily rain	66.5 mm (2.6 in)	60.1 mm (2.4 in)	32 years	41 of 100 (Notable)
15 April 1973	Naboomspruit (Pol), ZA	daily rain	48.3 mm (1.9 in)	22.6 mm (0.9 in)	56 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

1801 to 1973

Records set or tied on this calendar date in each year from 1801 to 1973. 1973 had 667 records.

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

Records on 04-15 in each year
Year	Records
1801	1
1817	1
1820	1
1844	1
1845	1
1847	1
1849	1
1853	2
1855	2
1858	1
1862	3
1865	3
1866	1
1868	1
1869	2
1873	1
1874	1
1876	1
1880	1
1882	1
1885	3
1886	1
1887	3
1889	2
1890	3
1891	2
1892	8
1893	2
1894	1
1896	2
1897	1
1898	2
1899	4
1900	9
1901	2
1902	4
1903	8
1904	39
1905	11
1906	20
1907	18
1908	15
1909	18
1910	16
1911	20
1912	24
1913	39
1914	17
1915	13
1916	15
1917	35
1918	40
1919	22
1920	50
1921	59
1922	94
1923	178
1924	172
1925	168
1926	453
1927	321
1928	631
1929	91
1930	289
1931	388
1932	150
1933	300
1934	339
1935	515
1936	439
1937	277
1938	596
1939	789
1940	581
1941	628
1942	525
1943	1,037
1944	313
1945	783
1946	245
1947	532
1948	306
1949	419
1950	568
1951	504
1952	357
1953	475
1954	896
1955	484
1956	750
1957	378
1958	458
1959	314
1960	319
1961	877
1962	733
1963	714
1964	382
1965	504
1966	464
1967	599
1968	476
1969	555
1970	841
1971	640
1972	896
1973	667
1974	385
1975	780
1976	1,566
1977	649
1978	426
1979	370
1980	1,066
1981	724
1982	955
1983	1,343
1984	612
1985	788
1986	1,140
1987	579
1988	839
1989	836
1990	837
1991	769
1992	783
1993	1,156
1994	835
1995	805
1996	1,173
1997	1,031
1998	1,752
1999	1,249
2000	1,163
2001	1,043
2002	1,866
2003	1,760
2004	761
2005	583
2006	1,637
2007	1,776
2008	1,157
2009	853
2010	804
2011	1,162
2012	1,007
2013	1,146
2014	1,721
2015	739
2016	602
2017	474
2018	1,913
2019	610
2020	1,068
2021	494
2022	1,145
2023	912
2024	1,096
2025	860
2026	1,118

Download the Data

Data for records on 1973-04-15: 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	569
50 to 100	15
100 to 150	1
150 to 200	1
200 to 250	1
250 to 300	0
300 to 350	1