Weather Records on 15 May 1983

1,215 weather records were set or tied worldwide on 15 May 1983. Highest significance: Brownsville, US.

Key Facts for 15 May 1983

On 15 May 1983, 1,215 weather records were set or tied at long-record stations worldwide.
262 were record highs and 509 were record lows, counting maximum and minimum temperature.
By timescale, 3 were all-time records, 31 monthly and 1,181 daily.
Brownsville set a monthly record daily precipitation of 148.6 mm (5.9 in) on 15 May 1983.
Across 162 earlier years (1820 to 2026) the same calendar date averaged 426 records.

Record Map

1,215 stations

1,215 station records on 15 May 1983 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 15 May 1983: highest significance records shown on the map
Station	Country	Type	Value	Significance
Brownsville	United States	Record daily precipitation	148.6 mm (5.9 in)	68 of 100 (Major)
Coupeville 1 S	United States	Record daily precipitation	36.3 mm (1.4 in)	60 of 100 (Major)
Tussenbeide	South Africa	Record daily precipitation	58.0 mm (2.3 in)	59 of 100 (Notable)
Mammoth Cave	United States	Record daily precipitation	109.2 mm (4.3 in)	59 of 100 (Notable)
Eupora 2 E	United States	Record daily precipitation	126.0 mm (5.0 in)	57 of 100 (Notable)
Marseille Obs. Palais-Lonchamp	France	Record daily precipitation	81.0 mm (3.2 in)	56 of 100 (Notable)
Cape Columbine	South Africa	Record daily precipitation	30.0 mm (1.2 in)	54 of 100 (Notable)
Anacortes	United States	Record daily precipitation	37.8 mm (1.5 in)	54 of 100 (Notable)
Minnedosa	Canada	Record low minimum temperature	-16.0 C (3.2 F)	53 of 100 (Notable)
Caledon (Pol)	South Africa	Record daily precipitation	46.0 mm (1.8 in)	53 of 100 (Notable)
Inman 5SW	United States	Record daily precipitation	52.6 mm (2.1 in)	52 of 100 (Notable)
Birmingham AP	United States	Record daily precipitation	76.2 mm (3.0 in)	52 of 100 (Notable)
Russell	Canada	Record low minimum temperature	-12.0 C (10.4 F)	51 of 100 (Notable)
Keo	United States	Record daily precipitation	117.6 mm (4.6 in)	51 of 100 (Notable)
Jackson Exp STN	United States	Record daily precipitation	133.1 mm (5.2 in)	51 of 100 (Notable)
Port Townsend	United States	Record daily precipitation	47.5 mm (1.9 in)	51 of 100 (Notable)
Greenwood Leflore AP	United States	Record daily precipitation	99.3 mm (3.9 in)	51 of 100 (Notable)
Pine Bluff Grider Fld	United States	Record daily precipitation	139.7 mm (5.5 in)	51 of 100 (Notable)
Goolgowi (Moira St)	Australia	Record daily precipitation	39.4 mm (1.6 in)	50 of 100 (Notable)
Brinkley	United States	Record daily precipitation	118.1 mm (4.6 in)	50 of 100 (Notable)
Middlebourne	United States	Record daily precipitation	49.8 mm (2.0 in)	50 of 100 (Notable)
Hahndorf	Australia	Record daily precipitation	47.8 mm (1.9 in)	49 of 100 (Notable)
Kodiak AP	United States	Record daily precipitation	62.2 mm (2.4 in)	49 of 100 (Notable)
Union	United States	Record daily precipitation	82.8 mm (3.3 in)	48 of 100 (Notable)
Bolton	United States	Record daily precipitation	103.6 mm (4.1 in)	48 of 100 (Notable)
Amity	United States	Record daily precipitation	133.9 mm (5.3 in)	46 of 100 (Notable)
Stuttgart	United States	Record daily precipitation	88.1 mm (3.5 in)	45 of 100 (Notable)
Killdeer 8 NW	United States	Record daily snowfall	5.1 cm (2.0 in)	45 of 100 (Notable)
Martin U of T Branch Exp STN	United States	Record daily precipitation	74.2 mm (2.9 in)	45 of 100 (Notable)
Nathan 4 WNW	United States	Record daily precipitation	111.0 mm (4.4 in)	44 of 100 (Notable)
Newhope 3 E	United States	Record daily precipitation	147.3 mm (5.8 in)	44 of 100 (Notable)
Cadiz	United States	Record daily precipitation	45.0 mm (1.8 in)	44 of 100 (Notable)
Covington 3 SW	United States	Record daily precipitation	119.4 mm (4.7 in)	44 of 100 (Notable)
Bowling Green Warren Co AP	United States	Record daily precipitation	77.2 mm (3.0 in)	44 of 100 (Notable)
Piedmont Lake	United States	Record daily precipitation	64.5 mm (2.5 in)	43 of 100 (Notable)
Memphis	United States	Record daily precipitation	79.8 mm (3.1 in)	42 of 100 (Notable)
Whitewood	Canada	Record low minimum temperature	-13.0 C (8.6 F)	41 of 100 (Notable)
Saint Charles	United States	Record daily precipitation	95.3 mm (3.8 in)	41 of 100 (Notable)
Tangambalanga NE Dairy	Australia	Record daily precipitation	47.0 mm (1.9 in)	40 of 100 (Notable)
Saguache	United States	Record low maximum temperature	7.8 C (46.0 F)	40 of 100 (Notable)
Martinsdale 3 NNW	United States	Record low minimum temperature	-7.2 C (19.0 F)	40 of 100 (Notable)
Meridian Key Fld	United States	Record daily precipitation	66.0 mm (2.6 in)	40 of 100 (Notable)
Lexington Bluegrass AP	United States	Record daily precipitation	50.5 mm (2.0 in)	40 of 100 (Notable)
Lyon - St Exupery	France	Record daily precipitation	56.7 mm (2.2 in)	39 of 100 (Notable)
Boontjieskraal	South Africa	Record daily precipitation	36.0 mm (1.4 in)	39 of 100 (Notable)
Kiev	Ukraine	Record high minimum temperature	16.5 C (61.7 F)	39 of 100 (Notable)
Augusta	United States	Record daily precipitation	96.5 mm (3.8 in)	39 of 100 (Notable)
Hamilton Fairfield	United States	Record daily precipitation	58.2 mm (2.3 in)	39 of 100 (Notable)
Broken Bow 1 N	United States	Record daily precipitation	94.0 mm (3.7 in)	39 of 100 (Notable)
Basin	United States	Record low minimum temperature	-6.1 C (21.0 F)	39 of 100 (Notable)
Longwood	Australia	Record daily precipitation	51.0 mm (2.0 in)	38 of 100 (Notable)
Carrathool (Uardry)	Australia	Record daily precipitation	29.4 mm (1.2 in)	38 of 100 (Notable)
Oderen	France	Record daily precipitation	39.1 mm (1.5 in)	38 of 100 (Notable)
Leola	United States	Record daily precipitation	128.8 mm (5.1 in)	38 of 100 (Notable)
Searcy	United States	Record daily precipitation	74.4 mm (2.9 in)	38 of 100 (Notable)
Carmi 6 NW	United States	Record daily precipitation	66.5 mm (2.6 in)	38 of 100 (Notable)
Dresden	United States	Record daily precipitation	116.8 mm (4.6 in)	38 of 100 (Notable)
Louisville Intl AP	United States	Record daily precipitation	50.3 mm (2.0 in)	38 of 100 (Notable)
Carrathool Motors	Australia	Record daily precipitation	36.2 mm (1.4 in)	37 of 100 (Notable)
Birtle	Canada	Record low minimum temperature	-13.5 C (7.7 F)	37 of 100 (Notable)

Counts by Type and Timescale

1,215 records

Records set or tied on 15 May 1983 by type: Highest daily maximum 137, Lowest daily maximum 216, Highest daily minimum 125, Lowest daily minimum 293, Heaviest daily rainfall 374, Heaviest daily snowfall 42, Deepest snow cover 28.

Records on 15 May 1983 by type
Record type	Records
Highest daily maximum	137
Lowest daily maximum	216
Highest daily minimum	125
Lowest daily minimum	293
Heaviest daily rainfall	374
Heaviest daily snowfall	42
Deepest snow cover	28

Records on 15 May 1983 by timescale: all-time 3, monthly 31, daily 1,181.

How Much Records Were Beaten By

972 broken records

Margins by which the 972 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

15 May 1983

Top 20 records on 15 May 1983 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
15 May 1983	Brownsville, US	monthly rain	148.6 mm (5.9 in)	46.0 mm (1.8 in)	69 years	68 of 100 (Major)
15 May 1983	Coupeville 1 S, US	daily rain	36.3 mm (1.4 in)	15.0 mm (0.6 in)	80 years	60 of 100 (Major)
15 May 1983	Tussenbeide, ZA	daily rain	58.0 mm (2.3 in)	50.9 mm (2.0 in)	44 years	59 of 100 (Notable)
15 May 1983	Mammoth Cave, US	monthly rain	109.2 mm (4.3 in)	48.2 mm (1.9 in)	14 years	59 of 100 (Notable)
15 May 1983	Eupora 2 E, US	daily rain	126.0 mm (5.0 in)	75.5 mm (3.0 in)	40 years	57 of 100 (Notable)
15 May 1983	Marseille Obs. Palais-Lonchamp, FR	daily rain	81.0 mm (3.2 in)	39.2 mm (1.5 in)	28 years	56 of 100 (Notable)
15 May 1983	Cape Columbine, ZA	daily rain	30.0 mm (1.2 in)	28.0 mm (1.1 in)	34 years	54 of 100 (Notable)
15 May 1983	Anacortes, US	daily rain	37.8 mm (1.5 in)	10.4 mm (0.4 in)	88 years	54 of 100 (Notable)
15 May 1983	Minnedosa, CA	monthly low min	-16.0 C (3.2 F)	3.2 C (5.8 F)	92 years	53 of 100 (Notable)
15 May 1983	Caledon (Pol), ZA	daily rain	46.0 mm (1.8 in)	28.7 mm (1.1 in)	44 years	53 of 100 (Notable)
15 May 1983	Inman 5SW, US	daily rain	52.6 mm (2.1 in)	48.3 mm (1.9 in)	36 years	52 of 100 (Notable)
15 May 1983	Birmingham AP, US	daily rain	76.2 mm (3.0 in)	54.9 mm (2.2 in)	29 years	52 of 100 (Notable)
15 May 1983	Russell, CA	daily low min	-12.0 C (10.4 F)	6.4 C (11.5 F)	96 years	51 of 100 (Notable)
15 May 1983	Keo, US	daily rain	117.6 mm (4.6 in)	84.3 mm (3.3 in)	26 years	51 of 100 (Notable)
15 May 1983	Jackson Exp STN, US	daily rain	133.1 mm (5.2 in)	67.1 mm (2.6 in)	8 years	51 of 100 (Notable)
15 May 1983	Port Townsend, US	monthly rain	47.5 mm (1.9 in)	5.8 mm (0.23 in)	70 years	51 of 100 (Notable)
15 May 1983	Greenwood Leflore AP, US	daily rain	99.3 mm (3.9 in)	70.3 mm (2.8 in)	29 years	51 of 100 (Notable)
15 May 1983	Pine Bluff Grider Fld, US	daily rain	139.7 mm (5.5 in)	112.5 mm (4.4 in)	29 years	51 of 100 (Notable)
15 May 1983	Goolgowi (Moira St), AU	daily rain	39.4 mm (1.6 in)	29.2 mm (1.1 in)	24 years	50 of 100 (Notable)
15 May 1983	Brinkley, US	daily rain	118.1 mm (4.6 in)	41.1 mm (1.6 in)	60 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

1820 to 1983

Records set or tied on this calendar date in each year from 1820 to 1983. 1983 had 1,215 records.

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

Records on 05-15 in each year
Year	Records
1820	1
1825	1
1831	1
1832	1
1837	2
1845	1
1847	2
1848	1
1855	2
1857	2
1859	1
1862	1
1863	1
1865	1
1866	2
1867	1
1868	2
1870	1
1871	3
1874	2
1876	4
1878	1
1879	2
1881	1
1883	1
1885	1
1886	2
1888	3
1891	3
1893	5
1894	2
1895	4
1896	2
1897	4
1898	3
1899	9
1900	9
1901	2
1902	9
1903	4
1904	13
1905	16
1906	10
1907	27
1908	25
1909	89
1910	27
1911	27
1912	26
1913	60
1914	16
1915	236
1916	27
1917	80
1918	133
1919	25
1920	58
1921	92
1922	30
1923	125
1924	174
1925	100
1926	161
1927	191
1928	144
1929	161
1930	136
1931	459
1932	368
1933	439
1934	227
1935	288
1936	372
1937	373
1938	393
1939	351
1940	179
1941	454
1942	701
1943	568
1944	630
1945	588
1946	238
1947	334
1948	264
1949	363
1950	260
1951	736
1952	476
1953	426
1954	355
1955	538
1956	466
1957	521
1958	605
1959	764
1960	291
1961	508
1962	1,128
1963	782
1964	347
1965	320
1966	389
1967	609
1968	1,019
1969	790
1970	512
1971	351
1972	484
1973	818
1974	1,230
1975	372
1976	803
1977	1,186
1978	922
1979	404
1980	625
1981	586
1982	500
1983	1,215
1984	1,059
1985	649
1986	679
1987	1,073
1988	643
1989	552
1990	776
1991	1,179
1992	944
1993	784
1994	910
1995	1,750
1996	1,452
1997	1,175
1998	1,641
1999	810
2000	850
2001	1,280
2002	801
2003	1,023
2004	1,046
2005	767
2006	955
2007	949
2008	995
2009	675
2010	1,088
2011	1,298
2012	751
2013	1,081
2014	1,411
2015	717
2016	890
2017	435
2018	1,074
2019	627
2020	472
2021	412
2022	847
2023	566
2024	596
2025	801
2026	481

Download the Data

Data for records on 1983-05-15: 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 100	963
100 to 200	6
200 to 300	0
300 to 400	1
400 to 500	1
500 to 600	1