Weather Records on 30 October 1977

882 weather records were set or tied worldwide on 30 October 1977. Highest significance: Dublin Phoenix Park, IE.

Key Facts for 30 October 1977

On 30 October 1977, 882 weather records were set or tied at long-record stations worldwide.
397 were record highs and 54 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 30 monthly and 852 daily.
Dublin Phoenix Park set a daily record precipitation of 35.9 mm (1.4 in) on 30 October 1977.
Across 153 earlier years (1799 to 2025) the same calendar date averaged 488 records.

Record Map

882 stations

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

Weather records on 30 October 1977: highest significance records shown on the map
Station	Country	Type	Value	Significance
Dublin Phoenix Park	Ireland	Record daily precipitation	35.9 mm (1.4 in)	71 of 100 (Major)
York Post Office	Australia	Record daily precipitation	49.6 mm (2.0 in)	69 of 100 (Major)
Narrogin	Australia	Record daily precipitation	33.2 mm (1.3 in)	68 of 100 (Major)
Toodyay	Australia	Record daily precipitation	35.4 mm (1.4 in)	65 of 100 (Major)
Muresk Agric.College	Australia	Record daily precipitation	77.2 mm (3.0 in)	64 of 100 (Major)
Quellington	Australia	Record daily precipitation	33.0 mm (1.3 in)	63 of 100 (Major)
Pingelly	Australia	Record daily precipitation	31.0 mm (1.2 in)	63 of 100 (Major)
Newton Rigg	United Kingdom	Record daily precipitation	43.3 mm (1.7 in)	63 of 100 (Major)
Bannister	Australia	Record daily precipitation	27.0 mm (1.1 in)	61 of 100 (Major)
Dellyanine	Australia	Record daily precipitation	32.0 mm (1.3 in)	61 of 100 (Major)
Oakland	Australia	Record daily precipitation	27.0 mm (1.1 in)	61 of 100 (Major)
Quairading	Australia	Record daily precipitation	31.0 mm (1.2 in)	61 of 100 (Major)
Redlands	Australia	Record daily precipitation	41.0 mm (1.6 in)	61 of 100 (Major)
Cloughton	Australia	Record daily precipitation	26.6 mm (1.0 in)	61 of 100 (Major)
Carterville	Australia	Record daily precipitation	27.0 mm (1.1 in)	60 of 100 (Major)
Northam	Australia	Record daily precipitation	58.0 mm (2.3 in)	60 of 100 (Major)
Southern Hills	Australia	Record daily precipitation	25.4 mm (1.0 in)	60 of 100 (Major)
Katanning Comparison	Australia	Record daily precipitation	28.8 mm (1.1 in)	59 of 100 (Notable)
Dumbleyung	Australia	Record daily precipitation	32.0 mm (1.3 in)	58 of 100 (Notable)
Caroling South	Australia	Record daily precipitation	25.8 mm (1.0 in)	57 of 100 (Notable)
Perth Regional Office	Australia	Record daily precipitation	33.8 mm (1.3 in)	56 of 100 (Notable)
Marvel Loch	Australia	Record daily precipitation	45.0 mm (1.8 in)	54 of 100 (Notable)
Eskdalemuir	United Kingdom	Record daily precipitation	95.0 mm (3.7 in)	53 of 100 (Notable)
Gunnerside	Australia	Record daily precipitation	32.0 mm (1.3 in)	51 of 100 (Notable)
Grass Valley	Australia	Record daily precipitation	33.8 mm (1.3 in)	48 of 100 (Notable)
Flin Flon	Canada	Record daily precipitation	25.9 mm (1.0 in)	48 of 100 (Notable)
Pojarkovo	Russia	Record daily precipitation	36.0 mm (1.4 in)	48 of 100 (Notable)
Doodenanning	Australia	Record daily precipitation	31.4 mm (1.2 in)	47 of 100 (Notable)
Beverley	Australia	Record daily precipitation	35.4 mm (1.4 in)	47 of 100 (Notable)
Arhara	Russia	Record daily precipitation	38.6 mm (1.5 in)	47 of 100 (Notable)
Pilgrims Rest (Pol)	South Africa	Record daily precipitation	80.1 mm (3.2 in)	47 of 100 (Notable)
Krasnyj Jar	Russia	Record daily precipitation	32.0 mm (1.3 in)	46 of 100 (Notable)
Cekunda	Russia	Record daily precipitation	28.3 mm (1.1 in)	45 of 100 (Notable)
Birobidzhan	Russia	Record daily precipitation	37.1 mm (1.5 in)	44 of 100 (Notable)
De Wagendrift	South Africa	Record daily precipitation	39.0 mm (1.5 in)	44 of 100 (Notable)
Nokaning	Australia	Record daily precipitation	38.0 mm (1.5 in)	43 of 100 (Notable)
Chamberlain	United States	Record high minimum temperature	14.4 C (57.9 F)	43 of 100 (Notable)
Sutur	Russia	Record daily precipitation	28.0 mm (1.1 in)	42 of 100 (Notable)
Grafton	United States	Record high minimum temperature	13.9 C (57.0 F)	42 of 100 (Notable)
Boksburg (Mun)	South Africa	Record daily precipitation	59.5 mm (2.3 in)	41 of 100 (Notable)
Towner 2 NE	United States	Record high minimum temperature	9.4 C (48.9 F)	38 of 100 (Notable)
Manypeaks	Australia	Record daily precipitation	31.8 mm (1.3 in)	37 of 100 (Notable)
Doongin Peak	Australia	Record daily precipitation	28.4 mm (1.1 in)	37 of 100 (Notable)
Woodburn	Australia	Record daily precipitation	26.8 mm (1.1 in)	36 of 100 (Notable)
Porongorup	Australia	Record daily precipitation	29.0 mm (1.1 in)	36 of 100 (Notable)
Dalnerechensk	Russia	Record daily precipitation	28.7 mm (1.1 in)	36 of 100 (Notable)
Bergville (Mag)	South Africa	Record daily precipitation	40.0 mm (1.6 in)	36 of 100 (Notable)
Orebro	Sweden	Record high maximum temperature	13.0 C (55.4 F)	36 of 100 (Notable)
Alma	United States	Record high minimum temperature	14.4 C (57.9 F)	36 of 100 (Notable)
Genoa 2 W	United States	Record high minimum temperature	13.9 C (57.0 F)	36 of 100 (Notable)
Aurora	United States	Record high minimum temperature	13.3 C (55.9 F)	35 of 100 (Notable)
Curtis	United States	Record high minimum temperature	13.9 C (57.0 F)	35 of 100 (Notable)
Sveg	Sweden	Record high maximum temperature	9.2 C (48.6 F)	34 of 100 (Routine)
Marion	United States	Record high minimum temperature	11.7 C (53.1 F)	34 of 100 (Routine)
Wentworth 2.5 WNW	United States	Record high minimum temperature	11.1 C (52.0 F)	34 of 100 (Routine)
Stampede Pass	United States	Record daily snowfall	43.7 cm (17.2 in)	34 of 100 (Routine)
Bruce Rock	Australia	Record daily precipitation	30.0 mm (1.2 in)	33 of 100 (Routine)
Wandering Comparison	Australia	Record low maximum temperature	14.4 C (57.9 F)	33 of 100 (Routine)
Bullfinch	Australia	Record daily precipitation	33.0 mm (1.3 in)	33 of 100 (Routine)
Grenfell	Canada	Record high minimum temperature	5.6 C (42.1 F)	33 of 100 (Routine)

Counts by Type and Timescale

882 records

Records set or tied on 30 October 1977 by type: Highest daily maximum 70, Lowest daily maximum 32, Highest daily minimum 327, Lowest daily minimum 22, Heaviest daily rainfall 425, Heaviest daily snowfall 5, Deepest snow cover 1.

Records on 30 October 1977 by type
Record type	Records
Highest daily maximum	70
Lowest daily maximum	32
Highest daily minimum	327
Lowest daily minimum	22
Heaviest daily rainfall	425
Heaviest daily snowfall	5
Deepest snow cover	1

Records on 30 October 1977 by timescale: all-time 0, monthly 30, daily 852.

How Much Records Were Beaten By

780 broken records

Margins by which the 780 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 107.0. Ties are not counted.

Top 20 by Significance

30 October 1977

Top 20 records on 30 October 1977 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 October 1977	Dublin Phoenix Park, IE	daily rain	35.9 mm (1.4 in)	17.4 mm (0.7 in)	106 years	71 of 100 (Major)
30 October 1977	York Post Office, AU	monthly rain	49.6 mm (2.0 in)	19.4 mm (0.8 in)	30 years	69 of 100 (Major)
30 October 1977	Narrogin, AU	daily rain	33.2 mm (1.3 in)	28.6 mm (1.1 in)	68 years	68 of 100 (Major)
30 October 1977	Toodyay, AU	daily rain	35.4 mm (1.4 in)	29.6 mm (1.2 in)	52 years	65 of 100 (Major)
30 October 1977	Muresk Agric.College, AU	monthly rain	77.2 mm (3.0 in)	34.3 mm (1.4 in)	30 years	64 of 100 (Major)
30 October 1977	Quellington, AU	daily rain	33.0 mm (1.3 in)	24.6 mm (1.0 in)	59 years	63 of 100 (Major)
30 October 1977	Pingelly, AU	daily rain	31.0 mm (1.2 in)	26.2 mm (1.0 in)	52 years	63 of 100 (Major)
30 October 1977	Newton Rigg, GB	daily rain	43.3 mm (1.7 in)	23.5 mm (0.9 in)	66 years	63 of 100 (Major)
30 October 1977	Bannister, AU	daily rain	27.0 mm (1.1 in)	23.4 mm (0.9 in)	43 years	61 of 100 (Major)
30 October 1977	Dellyanine, AU	daily rain	32.0 mm (1.3 in)	25.6 mm (1.0 in)	52 years	61 of 100 (Major)
30 October 1977	Oakland, AU	daily rain	27.0 mm (1.1 in)	23.4 mm (0.9 in)	52 years	61 of 100 (Major)
30 October 1977	Quairading, AU	daily rain	31.0 mm (1.2 in)	23.6 mm (0.9 in)	50 years	61 of 100 (Major)
30 October 1977	Redlands, AU	daily rain	41.0 mm (1.6 in)	37.7 mm (1.5 in)	52 years	61 of 100 (Major)
30 October 1977	Cloughton, AU	daily rain	26.6 mm (1.0 in)	23.6 mm (0.9 in)	52 years	61 of 100 (Major)
30 October 1977	Carterville, AU	daily rain	27.0 mm (1.1 in)	21.7 mm (0.9 in)	48 years	60 of 100 (Major)
30 October 1977	Northam, AU	monthly rain	58.0 mm (2.3 in)	11.0 mm (0.4 in)	61 years	60 of 100 (Major)
30 October 1977	Southern Hills, AU	daily rain	25.4 mm (1.0 in)	25.4 mm (1.0 in)	70 years	60 of 100 (Major)
30 October 1977	Katanning Comparison, AU	daily rain	28.8 mm (1.1 in)	18.9 mm (0.7 in)	38 years	59 of 100 (Notable)
30 October 1977	Dumbleyung, AU	daily rain	32.0 mm (1.3 in)	29.7 mm (1.2 in)	43 years	58 of 100 (Notable)
30 October 1977	Caroling South, AU	daily rain	25.8 mm (1.0 in)	22.8 mm (0.9 in)	38 years	57 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

1799 to 1977

Records set or tied on this calendar date in each year from 1799 to 1977. 1977 had 882 records.

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

Records on 10-30 in each year
Year	Records
1799	1
1815	1
1837	1
1839	1
1841	1
1849	1
1856	1
1866	1
1867	1
1869	5
1870	1
1871	1
1873	2
1877	1
1881	4
1885	3
1886	2
1887	1
1888	1
1889	3
1890	4
1891	2
1892	3
1894	7
1896	4
1897	2
1898	2
1899	2
1900	3
1901	9
1902	6
1903	3
1904	1
1905	12
1906	25
1907	12
1908	14
1909	15
1910	22
1911	19
1912	28
1913	38
1914	22
1915	39
1916	23
1917	85
1918	189
1919	80
1920	73
1921	31
1922	108
1923	202
1924	246
1925	755
1926	131
1927	259
1928	195
1929	277
1930	228
1931	144
1932	181
1933	454
1934	198
1935	739
1936	253
1937	496
1938	245
1939	240
1940	251
1941	393
1942	877
1943	255
1944	497
1945	446
1946	826
1947	252
1948	326
1949	528
1950	1,186
1951	373
1952	635
1953	522
1954	276
1955	494
1956	716
1957	531
1958	366
1959	859
1960	258
1961	781
1962	382
1963	353
1964	488
1965	439
1966	490
1967	665
1968	555
1969	656
1970	636
1971	1,663
1972	902
1973	534
1974	1,039
1975	427
1976	760
1977	882
1978	359
1979	809
1980	885
1981	547
1982	534
1983	549
1984	1,270
1985	848
1986	422
1987	883
1988	972
1989	904
1990	685
1991	2,772
1992	1,228
1993	2,095
1994	777
1995	831
1996	1,299
1997	1,033
1998	771
1999	897
2000	1,659
2001	1,233
2002	1,564
2003	973
2004	1,188
2005	1,144
2006	886
2007	773
2008	1,310
2009	1,513
2010	619
2011	1,022
2012	1,413
2013	622
2014	297
2015	395
2016	981
2017	783
2018	507
2019	1,931
2020	683
2021	486
2022	762
2023	969
2024	1,393
2025	322

Download the Data

Data for records on 1977-10-30: 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 20	740
20 to 40	37
40 to 60	2
60 to 80	0
80 to 100	0
100 to 120	1