Weather Records on 30 June 1915

40 weather records were set or tied worldwide on 30 June 1915. Highest significance: Casterton (Nangeela), AU.

Key Facts for 30 June 1915

On 30 June 1915, 40 weather records were set or tied at long-record stations worldwide.
1 were record highs and 4 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 1 monthly and 39 daily.
Casterton (Nangeela) set a daily record precipitation of 38.6 mm (1.5 in) on 30 June 1915.
Across 160 earlier years (1826 to 2026) the same calendar date averaged 452 records.

Record Map

40 stations

40 station records on 30 June 1915 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 June 1915: highest significance records shown on the map
Station	Country	Type	Value	Significance
Casterton (Nangeela)	Australia	Record daily precipitation	38.6 mm (1.5 in)	47 of 100 (Notable)
Coleraine (Wondo Dale)	Australia	Record daily precipitation	36.8 mm (1.4 in)	43 of 100 (Notable)
Naracoorte	Australia	Record daily precipitation	35.6 mm (1.4 in)	38 of 100 (Notable)
Penola Post Office	Australia	Record daily precipitation	40.4 mm (1.6 in)	38 of 100 (Notable)
State College	United States	Record daily precipitation	45.7 mm (1.8 in)	37 of 100 (Notable)
Beachport	Australia	Record daily precipitation	36.8 mm (1.4 in)	36 of 100 (Notable)
Ny City Cntrl Park	United States	Record daily precipitation	49.0 mm (1.9 in)	36 of 100 (Notable)
Kingston SE	Australia	Record daily precipitation	28.7 mm (1.1 in)	35 of 100 (Notable)
Paarl (Tnk)	South Africa	Record daily precipitation	52.8 mm (2.1 in)	34 of 100 (Routine)
Dartmoor	Australia	Record daily precipitation	27.4 mm (1.1 in)	33 of 100 (Routine)
Newark Liberty Intl AP	United States	Record daily precipitation	38.6 mm (1.5 in)	31 of 100 (Routine)
Mount Gambier Post Office	Australia	Record daily precipitation	32.0 mm (1.3 in)	24 of 100 (Routine)
Coleraine (Tulse Hill)	Australia	Record daily precipitation	25.4 mm (1.0 in)	24 of 100 (Routine)
Lawrence	United States	Record daily precipitation	55.1 mm (2.2 in)	24 of 100 (Routine)
World Trade Ctr	United States	Record daily precipitation	39.6 mm (1.6 in)	24 of 100 (Routine)
Hvar	Croatia	Record daily precipitation	24.7 mm (1.0 in)	20 of 100 (Routine)
Oranjerivier (Sar)	South Africa	Record daily precipitation	17.8 mm (0.7 in)	19 of 100 (Routine)
Millicent	Australia	Record daily precipitation	27.9 mm (1.1 in)	18 of 100 (Routine)
Asheville	United States	Record daily precipitation	25.4 mm (1.0 in)	18 of 100 (Routine)
Greenville Dwtn AP	United States	Record daily precipitation	29.0 mm (1.1 in)	17 of 100 (Routine)
Casterton (Warrock)	Australia	Record daily precipitation	36.8 mm (1.4 in)	16 of 100 (Routine)
Morgantown 1	United States	Record low maximum temperature	23.9 C (75.0 F)	16 of 100 (Routine)
Halls Gap	Australia	Record daily precipitation	26.7 mm (1.1 in)	15 of 100 (Routine)
Hamilton	Australia	Record daily precipitation	20.8 mm (0.8 in)	15 of 100 (Routine)
Cavendish (Post Office)	Australia	Record daily precipitation	20.6 mm (0.8 in)	14 of 100 (Routine)
Zametchino	Russia	Record low minimum temperature	4.1 C (39.4 F)	14 of 100 (Routine)
Chattanooga Wb City	United States	Record low minimum temperature	15.6 C (60.1 F)	14 of 100 (Routine)
Victoria Valley	Australia	Record daily precipitation	16.0 mm (0.6 in)	13 of 100 (Routine)
Table.Mtn Platteklip	South Africa	Record daily precipitation	26.4 mm (1.0 in)	12 of 100 (Routine)
Fryerstown	Australia	Record daily precipitation	10.2 mm (0.4 in)	11 of 100 (Routine)
Perth Regional Office	Australia	Record daily precipitation	26.9 mm (1.1 in)	9 of 100 (Routine)
Colesberg (Tnk)	South Africa	Record daily precipitation	6.4 mm (0.25 in)	9 of 100 (Routine)
Portland Rfc City	United States	Record high maximum temperature	35.0 C (95.0 F)	9 of 100 (Routine)
Ararat Post Office	Australia	Record daily precipitation	13.7 mm (0.5 in)	8 of 100 (Routine)
Prince Albert	Canada	Record low maximum temperature	15.6 C (60.1 F)	8 of 100 (Routine)
St. Petersburg	Russia	Record daily precipitation	11.5 mm (0.5 in)	8 of 100 (Routine)
Vytegra	Russia	Record daily precipitation	12.1 mm (0.5 in)	5 of 100 (Routine)
Barkly East	South Africa	Record daily precipitation	0.5 mm (0.02 in)	5 of 100 (Routine)
Lincoln UNIV Pwr Plt	United States	Record daily precipitation	20.1 mm (0.8 in)	5 of 100 (Routine)
Jokkmokk	Sweden	Record daily precipitation	14.2 mm (0.6 in)	4 of 100 (Routine)

Counts by Type and Timescale

40 records

Records set or tied on 30 June 1915 by type: Highest daily maximum 1, Lowest daily maximum 2, Lowest daily minimum 2, Heaviest daily rainfall 35.

Records on 30 June 1915 by type
Record type	Records
Highest daily maximum	1
Lowest daily maximum	2
Highest daily minimum	0
Lowest daily minimum	2
Heaviest daily rainfall	35
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 30 June 1915 by timescale: all-time 0, monthly 1, daily 39.

How Much Records Were Beaten By

39 broken records

Margins by which the 39 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 36.0. Ties are not counted.

Top 20 by Significance

30 June 1915

Top 20 records on 30 June 1915 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 June 1915	Casterton (Nangeela), AU	daily rain	38.6 mm (1.5 in)	28.9 mm (1.1 in)	15 years	47 of 100 (Notable)
30 June 1915	Coleraine (Wondo Dale), AU	daily rain	36.8 mm (1.4 in)	19.5 mm (0.8 in)	33 years	43 of 100 (Notable)
30 June 1915	Naracoorte, AU	daily rain	35.6 mm (1.4 in)	20.1 mm (0.8 in)	10 years	38 of 100 (Notable)
30 June 1915	Penola Post Office, AU	daily rain	40.4 mm (1.6 in)	20.8 mm (0.8 in)	10 years	38 of 100 (Notable)
30 June 1915	State College, US	daily rain	45.7 mm (1.8 in)	35.8 mm (1.4 in)	12 years	37 of 100 (Notable)
30 June 1915	Beachport, AU	daily rain	36.8 mm (1.4 in)	19.3 mm (0.8 in)	23 years	36 of 100 (Notable)
30 June 1915	Ny City Cntrl Park, US	daily rain	49.0 mm (1.9 in)	36.0 mm (1.4 in)	8 years	36 of 100 (Notable)
30 June 1915	Kingston SE, AU	daily rain	28.7 mm (1.1 in)	18.8 mm (0.7 in)	10 years	35 of 100 (Notable)
30 June 1915	Paarl (Tnk), ZA	daily rain	52.8 mm (2.1 in)	32.5 mm (1.3 in)	20 years	34 of 100 (Routine)
30 June 1915	Dartmoor, AU	daily rain	27.4 mm (1.1 in)	15.2 mm (0.6 in)	10 years	33 of 100 (Routine)
30 June 1915	Newark Liberty Intl AP, US	daily rain	38.6 mm (1.5 in)	22.1 mm (0.9 in)	31 years	31 of 100 (Routine)
30 June 1915	Mount Gambier Post Office, AU	daily rain	32.0 mm (1.3 in)	5.8 mm (0.23 in)	33 years	24 of 100 (Routine)
30 June 1915	Coleraine (Tulse Hill), AU	daily rain	25.4 mm (1.0 in)	11.4 mm (0.4 in)	10 years	24 of 100 (Routine)
30 June 1915	Lawrence, US	daily rain	55.1 mm (2.2 in)	15.7 mm (0.6 in)	34 years	24 of 100 (Routine)
30 June 1915	World Trade Ctr, US	daily rain	39.6 mm (1.6 in)	12.4 mm (0.5 in)	31 years	24 of 100 (Routine)
30 June 1915	Hvar, HR	daily rain	24.7 mm (1.0 in)	13.4 mm (0.5 in)	33 years	20 of 100 (Routine)
30 June 1915	Oranjerivier (Sar), ZA	daily rain	17.8 mm (0.7 in)	10.4 mm (0.4 in)	21 years	19 of 100 (Routine)
30 June 1915	Millicent, AU	daily rain	27.9 mm (1.1 in)	5.0 mm (0.20 in)	26 years	18 of 100 (Routine)
30 June 1915	Asheville, US	daily rain	25.4 mm (1.0 in)	7.6 mm (0.30 in)	25 years	18 of 100 (Routine)
30 June 1915	Greenville Dwtn AP, US	daily rain	29.0 mm (1.1 in)	12.2 mm (0.5 in)	20 years	17 of 100 (Routine)

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

1826 to 1915

Records set or tied on this calendar date in each year from 1826 to 1915. 1915 had 40 records.

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

Records on 06-30 in each year
Year	Records
1826	1
1832	1
1835	2
1843	2
1846	1
1848	2
1849	1
1853	1
1855	1
1857	1
1860	1
1863	1
1865	1
1869	1
1871	1
1873	1
1876	1
1879	2
1882	2
1883	3
1885	4
1886	1
1887	2
1888	2
1889	1
1890	3
1891	2
1892	1
1894	1
1895	1
1896	2
1897	6
1898	3
1899	4
1900	5
1901	9
1902	10
1903	8
1904	20
1905	23
1906	20
1907	12
1908	17
1909	39
1910	57
1911	12
1912	32
1913	99
1914	97
1915	40
1916	66
1917	39
1918	54
1919	72
1920	319
1921	121
1922	133
1923	309
1924	194
1925	113
1926	65
1927	240
1928	137
1929	213
1930	168
1931	774
1932	154
1933	571
1934	331
1935	347
1936	620
1937	458
1938	330
1939	438
1940	346
1941	341
1942	408
1943	790
1944	272
1945	671
1946	631
1947	487
1948	340
1949	403
1950	494
1951	517
1952	533
1953	404
1954	426
1955	432
1956	409
1957	592
1958	423
1959	948
1960	270
1961	351
1962	375
1963	560
1964	434
1965	240
1966	379
1967	414
1968	752
1969	459
1970	730
1971	459
1972	558
1973	623
1974	643
1975	414
1976	607
1977	662
1978	721
1979	601
1980	935
1981	838
1982	1,230
1983	752
1984	722
1985	829
1986	745
1987	1,044
1988	1,216
1989	953
1990	1,191
1991	1,129
1992	1,670
1993	711
1994	951
1995	1,354
1996	889
1997	938
1998	1,714
1999	910
2000	861
2001	778
2002	904
2003	896
2004	998
2005	1,526
2006	723
2007	736
2008	852
2009	1,052
2010	1,069
2011	1,057
2012	1,416
2013	963
2014	496
2015	1,018
2016	371
2017	642
2018	625
2019	1,042
2020	1,151
2021	1,442
2022	709
2023	531
2024	1,004
2025	858
2026	999

Download the Data

Data for records on 1915-06-30: 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 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Margin	Records
0 to 5	16
5 to 10	5
10 to 15	6
15 to 20	5
20 to 25	3
25 to 30	1
30 to 35	1
35 to 40	2