Weather Records on 15 May 1958

605 weather records were set or tied worldwide on 15 May 1958. Highest significance: Troicko-Pecherskoe, RU.

Key Facts for 15 May 1958

On 15 May 1958, 605 weather records were set or tied at long-record stations worldwide.
147 were record highs and 46 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 16 monthly and 589 daily.
Troicko-Pecherskoe set a daily record precipitation of 30.9 mm (1.2 in) on 15 May 1958.
Across 162 earlier years (1820 to 2026) the same calendar date averaged 430 records.

Record Map

605 stations

605 station records on 15 May 1958 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 15 May 1958: highest significance records shown on the map
Station	Country	Type	Value	Significance
Troicko-Pecherskoe	Russia	Record daily precipitation	30.9 mm (1.2 in)	67 of 100 (Major)
Hays 1 S	United States	Record daily precipitation	83.3 mm (3.3 in)	59 of 100 (Notable)
Kingscote (Karinga)	Australia	Record daily precipitation	33.0 mm (1.3 in)	56 of 100 (Notable)
Mendooran Post Office	Australia	Record daily precipitation	46.7 mm (1.8 in)	54 of 100 (Notable)
Cygnet River	Australia	Record daily precipitation	44.5 mm (1.8 in)	53 of 100 (Notable)
Chhuikhadan	India	Record daily precipitation	40.1 mm (1.6 in)	52 of 100 (Notable)
Willow Tree (Warrah)	Australia	Record daily precipitation	49.8 mm (2.0 in)	50 of 100 (Notable)
Lake Lonsdale	Australia	Record daily precipitation	39.1 mm (1.5 in)	49 of 100 (Notable)
Koppio	Australia	Record daily precipitation	29.0 mm (1.1 in)	46 of 100 (Notable)
Yerong Creek (Fertilizer Depot	Australia	Record daily precipitation	36.6 mm (1.4 in)	46 of 100 (Notable)
Rowan (Connorton)	Australia	Record daily precipitation	49.3 mm (1.9 in)	45 of 100 (Notable)
Bulgroo Station	Australia	Record daily precipitation	35.6 mm (1.4 in)	44 of 100 (Notable)
Carroll (the Ranch)	Australia	Record daily precipitation	39.9 mm (1.6 in)	44 of 100 (Notable)
Goonoo Goonoo Station	Australia	Record daily precipitation	45.2 mm (1.8 in)	44 of 100 (Notable)
Arkalgud	India	Record daily precipitation	60.3 mm (2.4 in)	44 of 100 (Notable)
Springfield	Australia	Record daily precipitation	33.0 mm (1.3 in)	43 of 100 (Notable)
Weetaliba (Weetalabah)	Australia	Record daily precipitation	62.5 mm (2.5 in)	43 of 100 (Notable)
Binnaway (Hawthorne)	Australia	Record daily precipitation	53.3 mm (2.1 in)	42 of 100 (Notable)
Sydney (Observatory Hill)	Australia	Record high minimum temperature	17.5 C (63.5 F)	42 of 100 (Notable)
Moyston	Australia	Record daily precipitation	32.5 mm (1.3 in)	42 of 100 (Notable)
Plainville 4WNW	United States	Record daily precipitation	49.0 mm (1.9 in)	42 of 100 (Notable)
Quinter	United States	Record daily precipitation	56.4 mm (2.2 in)	42 of 100 (Notable)
Warren (Haddon Rig)	Australia	Record daily precipitation	34.5 mm (1.4 in)	41 of 100 (Notable)
Balldale Post Office	Australia	Record daily precipitation	34.5 mm (1.4 in)	41 of 100 (Notable)
Vriddhachalam	India	Record daily precipitation	86.6 mm (3.4 in)	41 of 100 (Notable)
Tiruchengode	India	Record daily precipitation	63.5 mm (2.5 in)	41 of 100 (Notable)
Blackville Post Office	Australia	Record daily precipitation	59.7 mm (2.4 in)	40 of 100 (Notable)
Griffith Csiro	Australia	Record daily precipitation	26.9 mm (1.1 in)	40 of 100 (Notable)
Guntakal	India	Record daily precipitation	50.3 mm (2.0 in)	40 of 100 (Notable)
Premer (Eden Moor)	Australia	Record daily precipitation	55.9 mm (2.2 in)	39 of 100 (Notable)
Tarcutta (Wollumbi)	Australia	Record daily precipitation	50.3 mm (2.0 in)	39 of 100 (Notable)
Wartook Post Office	Australia	Record daily precipitation	27.9 mm (1.1 in)	39 of 100 (Notable)
Wien	Austria	Record high maximum temperature	29.7 C (85.5 F)	39 of 100 (Notable)
Willow Tree (Jacks Creek No3)	Australia	Record daily precipitation	59.4 mm (2.3 in)	38 of 100 (Notable)
Maria Island (Darlington)	Australia	Record daily precipitation	26.4 mm (1.0 in)	38 of 100 (Notable)
West Wyalong Post Office	Australia	Record daily precipitation	28.7 mm (1.1 in)	37 of 100 (Notable)
Baradine (Caledonia)	Australia	Record daily precipitation	48.3 mm (1.9 in)	37 of 100 (Notable)
Halls Gap	Australia	Record daily precipitation	43.2 mm (1.7 in)	37 of 100 (Notable)
Richfield	United States	Record daily precipitation	50.8 mm (2.0 in)	37 of 100 (Notable)
Nyngan (Merryanbone)	Australia	Record daily precipitation	29.5 mm (1.2 in)	36 of 100 (Notable)
Tamworth Airport	Australia	Record daily precipitation	38.4 mm (1.5 in)	36 of 100 (Notable)
Neilrex (Caigan)	Australia	Record daily precipitation	45.2 mm (1.8 in)	36 of 100 (Notable)
Wymah (Gwandallen)	Australia	Record daily precipitation	44.7 mm (1.8 in)	36 of 100 (Notable)
Clear Lake	Australia	Record daily precipitation	28.7 mm (1.1 in)	36 of 100 (Notable)
Sao Jose Do Egito	Brazil	Record daily precipitation	35.0 mm (1.4 in)	36 of 100 (Notable)
Ranebennur	India	Record daily precipitation	71.9 mm (2.8 in)	36 of 100 (Notable)
Port Kenny (Yandra)	Australia	Record daily precipitation	32.8 mm (1.3 in)	35 of 100 (Notable)
Somerton (Bective Estate)	Australia	Record daily precipitation	43.2 mm (1.7 in)	35 of 100 (Notable)
Pine Ridge (Windy)	Australia	Record daily precipitation	45.2 mm (1.8 in)	35 of 100 (Notable)
Binnaway (Wattle St)	Australia	Record daily precipitation	53.6 mm (2.1 in)	35 of 100 (Notable)
Jindera (Wadilock)	Australia	Record daily precipitation	39.6 mm (1.6 in)	35 of 100 (Notable)
Yanco Regulator	Australia	Record daily precipitation	27.9 mm (1.1 in)	35 of 100 (Notable)
Harihar	India	Record daily precipitation	50.8 mm (2.0 in)	35 of 100 (Notable)
Ardrossan (Winulta)	Australia	Record daily precipitation	29.5 mm (1.2 in)	34 of 100 (Routine)
Old Noarlunga Post Office	Australia	Record daily precipitation	49.3 mm (1.9 in)	34 of 100 (Routine)
Mullaley Post Office	Australia	Record daily precipitation	41.7 mm (1.6 in)	34 of 100 (Routine)
Kelvin (Carellan)	Australia	Record daily precipitation	28.7 mm (1.1 in)	34 of 100 (Routine)
Merriwa (Bowglen)	Australia	Record daily precipitation	33.5 mm (1.3 in)	34 of 100 (Routine)
Walla Walla Post Office	Australia	Record daily precipitation	32.0 mm (1.3 in)	34 of 100 (Routine)
Coupeville 1 S	United States	Record high maximum temperature	27.2 C (81.0 F)	34 of 100 (Routine)

Counts by Type and Timescale

605 records

Records set or tied on 15 May 1958 by type: Highest daily maximum 70, Lowest daily maximum 31, Highest daily minimum 77, Lowest daily minimum 15, Heaviest daily rainfall 412.

Records on 15 May 1958 by type
Record type	Records
Highest daily maximum	70
Lowest daily maximum	31
Highest daily minimum	77
Lowest daily minimum	15
Heaviest daily rainfall	412
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 15 May 1958 by timescale: all-time 0, monthly 16, daily 589.

How Much Records Were Beaten By

534 broken records

Margins by which the 534 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 59.4. Ties are not counted.

Top 20 by Significance

15 May 1958

Top 20 records on 15 May 1958 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
15 May 1958	Troicko-Pecherskoe, RU	daily rain	30.9 mm (1.2 in)	19.5 mm (0.8 in)	68 years	67 of 100 (Major)
15 May 1958	Hays 1 S, US	daily rain	83.3 mm (3.3 in)	50.3 mm (2.0 in)	59 years	59 of 100 (Notable)
15 May 1958	Kingscote (Karinga), AU	daily rain	33.0 mm (1.3 in)	21.8 mm (0.9 in)	37 years	56 of 100 (Notable)
15 May 1958	Mendooran Post Office, AU	daily rain	46.7 mm (1.8 in)	25.6 mm (1.0 in)	64 years	54 of 100 (Notable)
15 May 1958	Cygnet River, AU	monthly rain	44.5 mm (1.8 in)	20.4 mm (0.8 in)	3 years	53 of 100 (Notable)
15 May 1958	Chhuikhadan, IN	daily rain	40.1 mm (1.6 in)	32.5 mm (1.3 in)	25 years	52 of 100 (Notable)
15 May 1958	Willow Tree (Warrah), AU	daily rain	49.8 mm (2.0 in)	35.6 mm (1.4 in)	33 years	50 of 100 (Notable)
15 May 1958	Lake Lonsdale, AU	daily rain	39.1 mm (1.5 in)	23.9 mm (0.9 in)	40 years	49 of 100 (Notable)
15 May 1958	Koppio, AU	daily rain	29.0 mm (1.1 in)	17.6 mm (0.7 in)	37 years	46 of 100 (Notable)
15 May 1958	Yerong Creek (Fertilizer Depot, AU	daily rain	36.6 mm (1.4 in)	25.4 mm (1.0 in)	24 years	46 of 100 (Notable)
15 May 1958	Rowan (Connorton), AU	daily rain	49.3 mm (1.9 in)	43.2 mm (1.7 in)	7 years	45 of 100 (Notable)
15 May 1958	Bulgroo Station, AU	daily rain	35.6 mm (1.4 in)	30.5 mm (1.2 in)	48 years	44 of 100 (Notable)
15 May 1958	Carroll (the Ranch), AU	daily rain	39.9 mm (1.6 in)	22.9 mm (0.9 in)	33 years	44 of 100 (Notable)
15 May 1958	Goonoo Goonoo Station, AU	daily rain	45.2 mm (1.8 in)	24.4 mm (1.0 in)	49 years	44 of 100 (Notable)
15 May 1958	Arkalgud, IN	daily rain	60.3 mm (2.4 in)	34.9 mm (1.4 in)	55 years	44 of 100 (Notable)
15 May 1958	Springfield, AU	daily rain	33.0 mm (1.3 in)	33.0 mm (1.3 in)	44 years	43 of 100 (Notable)
15 May 1958	Weetaliba (Weetalabah), AU	monthly rain	62.5 mm (2.5 in)	9.4 mm (0.37 in)	56 years	43 of 100 (Notable)
15 May 1958	Binnaway (Hawthorne), AU	daily rain	53.3 mm (2.1 in)	25.6 mm (1.0 in)	44 years	42 of 100 (Notable)
15 May 1958	Sydney (Observatory Hill), AU	daily high min	17.5 C (63.5 F)	1.3 C (2.3 F)	90 years	42 of 100 (Notable)
15 May 1958	Moyston, AU	daily rain	32.5 mm (1.3 in)	16.5 mm (0.6 in)	37 years	42 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 1958

Records set or tied on this calendar date in each year from 1820 to 1958. 1958 had 605 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 1958-05-15: 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).

Histogram of margins by which records were beaten on 15 May 1958
Margin	Records
0 to 10	395
10 to 20	83
20 to 30	35
30 to 40	14
40 to 50	4
50 to 60	3