Weather Records on 30 June 1977

662 weather records were set or tied worldwide on 30 June 1977. Highest significance: Auburn 2 SSE, US.

Key Facts for 30 June 1977

On 30 June 1977, 662 weather records were set or tied at long-record stations worldwide.
158 were record highs and 96 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 13 monthly and 647 daily.
Auburn 2 SSE set a daily record precipitation of 70.4 mm (2.8 in) on 30 June 1977.
Across 160 earlier years (1826 to 2026) the same calendar date averaged 448 records.

Record Map

662 stations

662 station records on 30 June 1977 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 June 1977: highest significance records shown on the map
Station	Country	Type	Value	Significance
Auburn 2 SSE	United States	Record daily precipitation	70.4 mm (2.8 in)	69 of 100 (Major)
Bungaree (Kirks Reservoir)	Australia	Record daily precipitation	33.4 mm (1.3 in)	65 of 100 (Major)
Tailem Bend (Woodlands)	Australia	Record daily precipitation	53.2 mm (2.1 in)	59 of 100 (Notable)
Derrinallum (Craigmore)	Australia	Record daily precipitation	25.4 mm (1.0 in)	56 of 100 (Notable)
Elliot	South Africa	Record daily precipitation	30.5 mm (1.2 in)	55 of 100 (Notable)
Ottawa 4SW	United States	Record daily precipitation	62.2 mm (2.4 in)	51 of 100 (Notable)
Holmogadd A	Sweden	Record daily precipitation	33.3 mm (1.3 in)	50 of 100 (Notable)
Scotsburn (Mount Boninyong)	Australia	Record daily precipitation	33.4 mm (1.3 in)	49 of 100 (Notable)
Mount Mercer (Woodbank)	Australia	Record daily precipitation	28.4 mm (1.1 in)	49 of 100 (Notable)
Brewton 3 SSE	United States	Record daily precipitation	90.2 mm (3.6 in)	49 of 100 (Notable)
Fredrika	Sweden	Record daily precipitation	27.9 mm (1.1 in)	48 of 100 (Notable)
San Remo	Australia	Record daily precipitation	26.0 mm (1.0 in)	45 of 100 (Notable)
Robertsfors	Sweden	Record daily precipitation	41.5 mm (1.6 in)	45 of 100 (Notable)
New Hampton	United States	Record daily precipitation	46.0 mm (1.8 in)	45 of 100 (Notable)
Bjurholm	Sweden	Record daily precipitation	29.7 mm (1.2 in)	44 of 100 (Notable)
Joliet Brandon Road Lock/Dam	United States	Record daily precipitation	62.5 mm (2.5 in)	44 of 100 (Notable)
Maroondah Weir (Melbourne Wate	Australia	Record daily precipitation	28.2 mm (1.1 in)	43 of 100 (Notable)
Colwana (Bos)	South Africa	Record daily precipitation	35.5 mm (1.4 in)	43 of 100 (Notable)
Hogson	Sweden	Record daily precipitation	30.3 mm (1.2 in)	43 of 100 (Notable)
Pacatuba	Brazil	Record daily precipitation	30.6 mm (1.2 in)	42 of 100 (Notable)
Bulken	Norway	Record daily precipitation	26.2 mm (1.0 in)	42 of 100 (Notable)
Jamestown	South Africa	Record daily precipitation	34.0 mm (1.3 in)	42 of 100 (Notable)
Bigga (Woolbrook)	Australia	Record daily precipitation	35.0 mm (1.4 in)	40 of 100 (Notable)
Alexandria (Pol)	South Africa	Record daily precipitation	70.5 mm (2.8 in)	40 of 100 (Notable)
Aledo	United States	Record daily precipitation	77.5 mm (3.1 in)	40 of 100 (Notable)
Kinglake West (Wallaby Creek)	Australia	Record daily precipitation	43.4 mm (1.7 in)	39 of 100 (Notable)
Barramunga	Australia	Record daily precipitation	39.0 mm (1.5 in)	39 of 100 (Notable)
Poowong (Post Office)	Australia	Record daily precipitation	27.0 mm (1.1 in)	38 of 100 (Notable)
Coranderrk Badger Weir	Australia	Record daily precipitation	32.0 mm (1.3 in)	38 of 100 (Notable)
Dontsa	South Africa	Record daily precipitation	40.0 mm (1.6 in)	38 of 100 (Notable)
Elgin Water	United States	Record daily precipitation	68.3 mm (2.7 in)	38 of 100 (Notable)
Rockville	United States	Record daily precipitation	55.9 mm (2.2 in)	38 of 100 (Notable)
Davenport L&D 15	United States	Record daily precipitation	81.8 mm (3.2 in)	38 of 100 (Notable)
Bjuroklubb	Sweden	Record daily precipitation	28.2 mm (1.1 in)	37 of 100 (Notable)
Ust-Umalta	Russia	Record daily precipitation	39.6 mm (1.6 in)	36 of 100 (Notable)
Tavernier	United States	Record high maximum temperature	35.6 C (96.1 F)	36 of 100 (Notable)
Findlay Wpcc	United States	Record daily precipitation	63.5 mm (2.5 in)	36 of 100 (Notable)
San Mateo	United States	Record high minimum temperature	17.2 C (63.0 F)	35 of 100 (Notable)
Palmerville	Australia	Record low maximum temperature	26.0 C (78.8 F)	34 of 100 (Routine)
Pitea	Sweden	Record daily precipitation	26.8 mm (1.1 in)	34 of 100 (Routine)
Truxton Canyon	United States	Record high minimum temperature	23.9 C (75.0 F)	34 of 100 (Routine)
Geneseo	United States	Record daily precipitation	68.1 mm (2.7 in)	34 of 100 (Routine)
Puerto Madero	Mexico	Record low minimum temperature	11.7 C (53.1 F)	32 of 100 (Routine)
Chicago Midway AP 3SW	United States	Record daily precipitation	65.8 mm (2.6 in)	32 of 100 (Routine)
Laporte	United States	Record daily precipitation	52.6 mm (2.1 in)	32 of 100 (Routine)
Healesville (Badger Crk Sanctu	Australia	Record daily precipitation	26.4 mm (1.0 in)	31 of 100 (Routine)
Weeaproinah	Australia	Record daily precipitation	40.2 mm (1.6 in)	31 of 100 (Routine)
Nevada Wtp	United States	Record high minimum temperature	25.0 C (77.0 F)	31 of 100 (Routine)
Wandering Comparison	Australia	Record high maximum temperature	20.4 C (68.7 F)	30 of 100 (Routine)
Powelltown Dnre	Australia	Record daily precipitation	36.4 mm (1.4 in)	30 of 100 (Routine)
Oujda	Morocco	Record low maximum temperature	23.0 C (73.4 F)	30 of 100 (Routine)
Tegeltrask	Sweden	Record daily precipitation	32.7 mm (1.3 in)	30 of 100 (Routine)
Charles City	United States	Record daily precipitation	58.9 mm (2.3 in)	30 of 100 (Routine)
Columbus Junction	United States	Record daily precipitation	59.9 mm (2.4 in)	30 of 100 (Routine)
Dodgeville Wwtp	United States	Record daily precipitation	26.7 mm (1.1 in)	30 of 100 (Routine)
Forrest State Forest	Australia	Record daily precipitation	34.2 mm (1.3 in)	29 of 100 (Routine)
Huntington	United States	Record daily precipitation	25.7 mm (1.0 in)	29 of 100 (Routine)
De Smet	United States	Record daily precipitation	68.6 mm (2.7 in)	29 of 100 (Routine)
Beales Reservoir	Australia	Record daily precipitation	27.6 mm (1.1 in)	28 of 100 (Routine)
Wilsons Reservoir	Australia	Record daily precipitation	26.8 mm (1.1 in)	28 of 100 (Routine)

Counts by Type and Timescale

662 records

Records set or tied on 30 June 1977 by type: Highest daily maximum 58, Lowest daily maximum 46, Highest daily minimum 100, Lowest daily minimum 50, Heaviest daily rainfall 408.

Records on 30 June 1977 by type
Record type	Records
Highest daily maximum	58
Lowest daily maximum	46
Highest daily minimum	100
Lowest daily minimum	50
Heaviest daily rainfall	408
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 30 June 1977 by timescale: all-time 2, monthly 13, daily 647.

How Much Records Were Beaten By

567 broken records

Margins by which the 567 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 60.7. Ties are not counted.

Top 20 by Significance

30 June 1977

Top 20 records on 30 June 1977 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 June 1977	Auburn 2 SSE, US	daily rain	70.4 mm (2.8 in)	49.3 mm (1.9 in)	71 years	69 of 100 (Major)
30 June 1977	Bungaree (Kirks Reservoir), AU	daily rain	33.4 mm (1.3 in)	19.7 mm (0.8 in)	72 years	65 of 100 (Major)
30 June 1977	Tailem Bend (Woodlands), AU	monthly rain	53.2 mm (2.1 in)	25.0 mm (1.0 in)	12 years	59 of 100 (Notable)
30 June 1977	Derrinallum (Craigmore), AU	daily rain	25.4 mm (1.0 in)	11.9 mm (0.5 in)	77 years	56 of 100 (Notable)
30 June 1977	Elliot, ZA	daily rain	30.5 mm (1.2 in)	30.5 mm (1.2 in)	70 years	55 of 100 (Notable)
30 June 1977	Ottawa 4SW, US	daily rain	62.2 mm (2.4 in)	26.1 mm (1.0 in)	75 years	51 of 100 (Notable)
30 June 1977	Holmogadd A, SE	daily rain	33.3 mm (1.3 in)	15.4 mm (0.6 in)	60 years	50 of 100 (Notable)
30 June 1977	Scotsburn (Mount Boninyong), AU	daily rain	33.4 mm (1.3 in)	17.1 mm (0.7 in)	38 years	49 of 100 (Notable)
30 June 1977	Mount Mercer (Woodbank), AU	daily rain	28.4 mm (1.1 in)	17.0 mm (0.7 in)	31 years	49 of 100 (Notable)
30 June 1977	Brewton 3 SSE, US	daily rain	90.2 mm (3.6 in)	60.7 mm (2.4 in)	36 years	49 of 100 (Notable)
30 June 1977	Fredrika, SE	daily rain	27.9 mm (1.1 in)	19.7 mm (0.8 in)	20 years	48 of 100 (Notable)
30 June 1977	San Remo, AU	daily rain	26.0 mm (1.0 in)	6.9 mm (0.27 in)	87 years	45 of 100 (Notable)
30 June 1977	Robertsfors, SE	daily rain	41.5 mm (1.6 in)	29.0 mm (1.1 in)	8 years	45 of 100 (Notable)
30 June 1977	New Hampton, US	daily rain	46.0 mm (1.8 in)	22.1 mm (0.9 in)	70 years	45 of 100 (Notable)
30 June 1977	Bjurholm, SE	daily rain	29.7 mm (1.2 in)	20.2 mm (0.8 in)	27 years	44 of 100 (Notable)
30 June 1977	Joliet Brandon Road Lock/Dam, US	daily rain	62.5 mm (2.5 in)	41.9 mm (1.6 in)	23 years	44 of 100 (Notable)
30 June 1977	Maroondah Weir (Melbourne Wate, AU	daily rain	28.2 mm (1.1 in)	10.7 mm (0.4 in)	72 years	43 of 100 (Notable)
30 June 1977	Colwana (Bos), ZA	daily rain	35.5 mm (1.4 in)	35.5 mm (1.4 in)	50 years	43 of 100 (Notable)
30 June 1977	Hogson, SE	daily rain	30.3 mm (1.2 in)	17.3 mm (0.7 in)	3 years	43 of 100 (Notable)
30 June 1977	Pacatuba, BR	daily rain	30.6 mm (1.2 in)	22.4 mm (0.9 in)	64 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 1977

Records set or tied on this calendar date in each year from 1826 to 1977. 1977 had 662 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 1977-06-30: 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	431
10 to 20	101
20 to 30	22
30 to 40	7
40 to 50	5
50 to 60	0
60 to 70	1