Weather Records on 30 June 1978

721 weather records were set or tied worldwide on 30 June 1978. Highest significance: Aberdeen, US.

Key Facts for 30 June 1978

On 30 June 1978, 721 weather records were set or tied at long-record stations worldwide.
201 were record highs and 165 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 21 monthly and 700 daily.
Aberdeen set a daily record precipitation of 97.3 mm (3.8 in) on 30 June 1978.
Across 160 earlier years (1826 to 2026) the same calendar date averaged 448 records.

Record Map

721 stations

721 station records on 30 June 1978 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 June 1978: highest significance records shown on the map
Station	Country	Type	Value	Significance
Aberdeen	United States	Record daily precipitation	97.3 mm (3.8 in)	72 of 100 (Major)
Cape Riche	Australia	Record daily precipitation	53.6 mm (2.1 in)	63 of 100 (Major)
Onida 4 NW	United States	Record daily precipitation	66.8 mm (2.6 in)	62 of 100 (Major)
Hiasen I Sigdal	Norway	Record daily precipitation	41.3 mm (1.6 in)	59 of 100 (Notable)
Sundance	United States	Record daily precipitation	59.4 mm (2.3 in)	59 of 100 (Notable)
Monte Vista 2W	United States	Record daily precipitation	28.4 mm (1.1 in)	58 of 100 (Notable)
Ika	Russia	Record daily precipitation	44.8 mm (1.8 in)	57 of 100 (Notable)
Millen 4 N	United States	Record daily precipitation	74.9 mm (2.9 in)	56 of 100 (Notable)
Tavda	Russia	Record daily precipitation	36.8 mm (1.4 in)	54 of 100 (Notable)
Manypeaks	Australia	Record daily precipitation	40.0 mm (1.6 in)	51 of 100 (Notable)
Kr. Ravensburg Weingarten	Germany	Record daily precipitation	45.1 mm (1.8 in)	50 of 100 (Notable)
Turinsk	Russia	Record daily precipitation	57.8 mm (2.3 in)	50 of 100 (Notable)
Kyra	Russia	Record daily precipitation	43.8 mm (1.7 in)	48 of 100 (Notable)
Gagrskiy	Georgia	Record daily precipitation	88.6 mm (3.5 in)	46 of 100 (Notable)
Urda	Kazakhstan	Record daily precipitation	26.9 mm (1.1 in)	43 of 100 (Notable)
Bjornholt	Norway	Record daily precipitation	30.2 mm (1.2 in)	43 of 100 (Notable)
Newport Bowling Club	Australia	Record daily precipitation	62.2 mm (2.4 in)	42 of 100 (Notable)
Artemovsky	Russia	Record daily precipitation	34.7 mm (1.4 in)	42 of 100 (Notable)
Verhne-Markovo	Russia	Record daily precipitation	34.6 mm (1.4 in)	42 of 100 (Notable)
Maseskar	Sweden	Record daily precipitation	33.1 mm (1.3 in)	42 of 100 (Notable)
Stephan 2 NW	United States	Record daily precipitation	73.7 mm (2.9 in)	42 of 100 (Notable)
Tuscola	United States	Record daily precipitation	38.1 mm (1.5 in)	41 of 100 (Notable)
Alexandria Chandler Fld	United States	Record daily precipitation	96.5 mm (3.8 in)	41 of 100 (Notable)
Gosford (Gertrude Place)	Australia	Record daily precipitation	55.0 mm (2.2 in)	40 of 100 (Notable)
Berowra (Goodwyn Road)	Australia	Record daily precipitation	37.3 mm (1.5 in)	40 of 100 (Notable)
Wooroona	Australia	Record daily precipitation	52.0 mm (2.0 in)	39 of 100 (Notable)
Hopewell 1 SE	United States	Record daily precipitation	42.2 mm (1.7 in)	39 of 100 (Notable)
Russell	Canada	Record daily precipitation	30.6 mm (1.2 in)	38 of 100 (Notable)
Marseille Obs. Palais-Lonchamp	France	Record low maximum temperature	19.0 C (66.2 F)	38 of 100 (Notable)
Mykland	Norway	Record daily precipitation	26.1 mm (1.0 in)	38 of 100 (Notable)
Mannersley	Australia	Record daily precipitation	44.8 mm (1.8 in)	37 of 100 (Notable)
Madison Dane Co Rgnl AP	United States	Record daily precipitation	63.5 mm (2.5 in)	37 of 100 (Notable)
Peppermint Grove	Australia	Record daily precipitation	49.2 mm (1.9 in)	36 of 100 (Notable)
Bremer Bay	Australia	Record daily precipitation	40.0 mm (1.6 in)	36 of 100 (Notable)
Aleksandrovskij Zav	Russia	Record daily precipitation	44.2 mm (1.7 in)	36 of 100 (Notable)
Olga 2 SE	United States	Record high minimum temperature	13.9 C (57.0 F)	36 of 100 (Notable)
El Palmito	Mexico	Record daily precipitation	37.8 mm (1.5 in)	35 of 100 (Notable)
Hedrum	Norway	Record daily precipitation	28.1 mm (1.1 in)	35 of 100 (Notable)
Wishek	United States	Record daily precipitation	49.0 mm (1.9 in)	35 of 100 (Notable)
Iawakia	Australia	Record daily precipitation	40.0 mm (1.6 in)	34 of 100 (Routine)
Herefoss	Norway	Record daily precipitation	39.1 mm (1.5 in)	34 of 100 (Routine)
Verhojansk	Russia	Record daily precipitation	28.1 mm (1.1 in)	34 of 100 (Routine)
Slavjansk-Na-Kubani	Russia	Record daily precipitation	30.2 mm (1.2 in)	34 of 100 (Routine)
Hannah 2 N	United States	Record daily precipitation	40.1 mm (1.6 in)	34 of 100 (Routine)
Wilmot	United States	Record daily precipitation	46.5 mm (1.8 in)	34 of 100 (Routine)
The Entrance (Eloora Street)	Australia	Record daily precipitation	60.4 mm (2.4 in)	33 of 100 (Routine)
Ust-Barguzin	Russia	Record daily precipitation	34.8 mm (1.4 in)	33 of 100 (Routine)
Cresco 1 NE	United States	Record daily precipitation	31.0 mm (1.2 in)	33 of 100 (Routine)
Woodburn	Australia	Record daily precipitation	27.6 mm (1.1 in)	32 of 100 (Routine)
Coolatai (Willunga)	Australia	Record daily precipitation	29.2 mm (1.1 in)	32 of 100 (Routine)
Saint Bernard	United States	Record high minimum temperature	23.3 C (73.9 F)	32 of 100 (Routine)
Conception	United States	Record high minimum temperature	24.4 C (75.9 F)	32 of 100 (Routine)
Faulkton	United States	Record daily precipitation	29.5 mm (1.2 in)	32 of 100 (Routine)
Beaver Dam Wwtp	United States	Record daily precipitation	34.3 mm (1.4 in)	32 of 100 (Routine)
Yellanup	Australia	Record daily precipitation	30.0 mm (1.2 in)	31 of 100 (Routine)
Madison	United States	Record high maximum temperature	37.8 C (100.0 F)	31 of 100 (Routine)
Forsyth 6 NNW	United States	Record high maximum temperature	37.8 C (100.0 F)	31 of 100 (Routine)
Britton	United States	Record daily precipitation	89.9 mm (3.5 in)	31 of 100 (Routine)
La Crosse Muni AP	United States	Record daily precipitation	49.0 mm (1.9 in)	31 of 100 (Routine)
Kayballup	Australia	Record daily precipitation	36.0 mm (1.4 in)	30 of 100 (Routine)

Counts by Type and Timescale

721 records

Records set or tied on 30 June 1978 by type: Highest daily maximum 59, Lowest daily maximum 110, Highest daily minimum 142, Lowest daily minimum 55, Heaviest daily rainfall 355.

Records on 30 June 1978 by type
Record type	Records
Highest daily maximum	59
Lowest daily maximum	110
Highest daily minimum	142
Lowest daily minimum	55
Heaviest daily rainfall	355
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 30 June 1978 by timescale: all-time 0, monthly 21, daily 700.

How Much Records Were Beaten By

607 broken records

Margins by which the 607 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 66.4. Ties are not counted.

Top 20 by Significance

30 June 1978

Top 20 records on 30 June 1978 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 June 1978	Aberdeen, US	daily rain	97.3 mm (3.8 in)	61.7 mm (2.4 in)	80 years	72 of 100 (Major)
30 June 1978	Cape Riche, AU	daily rain	53.6 mm (2.1 in)	31.8 mm (1.3 in)	52 years	63 of 100 (Major)
30 June 1978	Onida 4 NW, US	daily rain	66.8 mm (2.6 in)	48.0 mm (1.9 in)	56 years	62 of 100 (Major)
30 June 1978	Hiasen I Sigdal, NO	daily rain	41.3 mm (1.6 in)	24.1 mm (0.9 in)	68 years	59 of 100 (Notable)
30 June 1978	Sundance, US	daily rain	59.4 mm (2.3 in)	27.9 mm (1.1 in)	79 years	59 of 100 (Notable)
30 June 1978	Monte Vista 2W, US	monthly rain	28.4 mm (1.1 in)	11.1 mm (0.4 in)	19 years	58 of 100 (Notable)
30 June 1978	Ika, RU	monthly rain	44.8 mm (1.8 in)	15.9 mm (0.6 in)	30 years	57 of 100 (Notable)
30 June 1978	Millen 4 N, US	daily rain	74.9 mm (2.9 in)	44.4 mm (1.7 in)	56 years	56 of 100 (Notable)
30 June 1978	Tavda, RU	daily rain	36.8 mm (1.4 in)	24.5 mm (1.0 in)	33 years	54 of 100 (Notable)
30 June 1978	Manypeaks, AU	daily rain	40.0 mm (1.6 in)	28.3 mm (1.1 in)	45 years	51 of 100 (Notable)
30 June 1978	Kr. Ravensburg Weingarten, DE	daily rain	45.1 mm (1.8 in)	29.9 mm (1.2 in)	39 years	50 of 100 (Notable)
30 June 1978	Turinsk, RU	daily rain	57.8 mm (2.3 in)	49.3 mm (1.9 in)	20 years	50 of 100 (Notable)
30 June 1978	Kyra, RU	daily rain	43.8 mm (1.7 in)	28.3 mm (1.1 in)	23 years	48 of 100 (Notable)
30 June 1978	Gagrskiy, GE	daily rain	88.6 mm (3.5 in)	66.4 mm (2.6 in)	8 years	46 of 100 (Notable)
30 June 1978	Urda, KZ	daily rain	26.9 mm (1.1 in)	24.2 mm (1.0 in)	1 year	43 of 100 (Notable)
30 June 1978	Bjornholt, NO	daily rain	30.2 mm (1.2 in)	11.3 mm (0.4 in)	71 years	43 of 100 (Notable)
30 June 1978	Newport Bowling Club, AU	daily rain	62.2 mm (2.4 in)	43.9 mm (1.7 in)	40 years	42 of 100 (Notable)
30 June 1978	Artemovsky, RU	daily rain	34.7 mm (1.4 in)	17.3 mm (0.7 in)	41 years	42 of 100 (Notable)
30 June 1978	Verhne-Markovo, RU	daily rain	34.6 mm (1.4 in)	14.8 mm (0.6 in)	29 years	42 of 100 (Notable)
30 June 1978	Maseskar, SE	daily rain	33.1 mm (1.3 in)	7.1 mm (0.28 in)	71 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

1826 to 1978

Records set or tied on this calendar date in each year from 1826 to 1978. 1978 had 721 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 1978-06-30: 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 2026-10-16. Last revised 16 October 2026 (2026-10-16).

Margin	Records
0 to 10	512
10 to 20	55
20 to 30	29
30 to 40	2
40 to 50	7
50 to 60	0
60 to 70	2