Weather Records on 30 August 1955

417 weather records were set or tied worldwide on 30 August 1955. Highest significance: Alma, US.

Key Facts for 30 August 1955

On 30 August 1955, 417 weather records were set or tied at long-record stations worldwide.
142 were record highs and 49 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 20 monthly and 395 daily.
Alma set a daily record precipitation of 95.0 mm (3.7 in) on 30 August 1955.
Across 169 earlier years (1806 to 2026) the same calendar date averaged 423 records.

Record Map

417 stations

417 station records on 30 August 1955 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 August 1955: highest significance records shown on the map
Station	Country	Type	Value	Significance
Alma	United States	Record daily precipitation	95.0 mm (3.7 in)	62 of 100 (Major)
Valparaiso Wtr Wks	United States	Record daily precipitation	93.0 mm (3.7 in)	61 of 100 (Major)
Lowell	United States	Record daily precipitation	142.2 mm (5.6 in)	58 of 100 (Notable)
Pontiac	United States	Record daily precipitation	82.0 mm (3.2 in)	56 of 100 (Notable)
Bloomingdale	United States	Record daily precipitation	82.6 mm (3.3 in)	55 of 100 (Notable)
E Tawas	United States	Record daily precipitation	64.3 mm (2.5 in)	55 of 100 (Notable)
Alpena Co Rgnl AP	United States	Record daily precipitation	49.5 mm (1.9 in)	54 of 100 (Notable)
Morris 1NW	United States	Record daily precipitation	57.2 mm (2.3 in)	52 of 100 (Notable)
Harrison 1 NNW	United States	Record daily precipitation	51.1 mm (2.0 in)	52 of 100 (Notable)
Palmyra	United States	Record daily precipitation	66.3 mm (2.6 in)	52 of 100 (Notable)
Winamac 2SSE	United States	Record daily precipitation	68.1 mm (2.7 in)	51 of 100 (Notable)
Monroe City	United States	Record daily precipitation	75.9 mm (3.0 in)	49 of 100 (Notable)
Midland 2	United States	Record daily precipitation	74.9 mm (2.9 in)	48 of 100 (Notable)
Geneve Observatoire	Switzerland	Record daily precipitation	54.1 mm (2.1 in)	47 of 100 (Notable)
Jalgaon	India	Record daily precipitation	95.3 mm (3.8 in)	43 of 100 (Notable)
Gaylord	United States	Record daily precipitation	51.1 mm (2.0 in)	42 of 100 (Notable)
Mexico	United States	Record daily precipitation	72.4 mm (2.9 in)	42 of 100 (Notable)
Havana	United States	Record daily precipitation	90.2 mm (3.6 in)	41 of 100 (Notable)
Minonk	United States	Record daily precipitation	66.3 mm (2.6 in)	41 of 100 (Notable)
Central Michigan UNIV	United States	Record daily precipitation	86.4 mm (3.4 in)	40 of 100 (Notable)
Korsakov	Russia	Record daily precipitation	85.8 mm (3.4 in)	39 of 100 (Notable)
Ft Scott	United States	Record daily precipitation	71.1 mm (2.8 in)	39 of 100 (Notable)
W Branch 3SE	United States	Record daily precipitation	52.3 mm (2.1 in)	39 of 100 (Notable)
Steffenville	United States	Record daily precipitation	78.0 mm (3.1 in)	39 of 100 (Notable)
Yarrabah Comm Council	Australia	Record daily precipitation	32.5 mm (1.3 in)	38 of 100 (Notable)
Oswego 1 N	United States	Record daily precipitation	58.4 mm (2.3 in)	38 of 100 (Notable)
Allegan 5NE	United States	Record daily precipitation	82.6 mm (3.3 in)	38 of 100 (Notable)
Harrisville	United States	Record daily precipitation	48.3 mm (1.9 in)	38 of 100 (Notable)
Nevada Wtp	United States	Record daily precipitation	83.3 mm (3.3 in)	38 of 100 (Notable)
Oran-Hopital Militaire	Algeria	Record high maximum temperature	37.0 C (98.6 F)	37 of 100 (Notable)
Warrensburg 4NW	United States	Record daily precipitation	84.8 mm (3.3 in)	37 of 100 (Notable)
Crystal Falls	Canada	Record daily precipitation	45.0 mm (1.8 in)	36 of 100 (Notable)
Beardstown	United States	Record daily precipitation	96.0 mm (3.8 in)	36 of 100 (Notable)
Bloomington Normal	United States	Record daily precipitation	55.4 mm (2.2 in)	36 of 100 (Notable)
Whiting	United States	Record daily precipitation	50.8 mm (2.0 in)	36 of 100 (Notable)
Kalamazoo State Hospital	United States	Record daily precipitation	52.6 mm (2.1 in)	36 of 100 (Notable)
Coniston	Canada	Record daily precipitation	35.3 mm (1.4 in)	35 of 100 (Notable)
Jalore	India	Record daily precipitation	94.0 mm (3.7 in)	35 of 100 (Notable)
Saharanpur	India	Record daily precipitation	105.7 mm (4.2 in)	35 of 100 (Notable)
Hastings	United States	Record daily precipitation	47.2 mm (1.9 in)	35 of 100 (Notable)
Holly Springs 2 N	United States	Record daily precipitation	53.6 mm (2.1 in)	35 of 100 (Notable)
Sulphur Springs	United States	Record daily precipitation	63.5 mm (2.5 in)	35 of 100 (Notable)
Havana	United States	Record daily precipitation	59.7 mm (2.4 in)	34 of 100 (Routine)
Brunswick	United States	Record daily precipitation	81.8 mm (3.2 in)	34 of 100 (Routine)
Clinton	United States	Record daily precipitation	121.9 mm (4.8 in)	34 of 100 (Routine)
Baloda Bazar	India	Record daily precipitation	191.8 mm (7.6 in)	33 of 100 (Routine)
Eau Claire 4 NE	United States	Record daily precipitation	88.9 mm (3.5 in)	33 of 100 (Routine)
Greeneville Exp STN	United States	Record high minimum temperature	22.8 C (73.0 F)	33 of 100 (Routine)
Longview	United States	Record daily precipitation	61.0 mm (2.4 in)	33 of 100 (Routine)
Barrage A Lac Kempt	Canada	Record daily precipitation	31.8 mm (1.3 in)	32 of 100 (Routine)
Manouan Sanmaur	Canada	Record daily precipitation	37.1 mm (1.5 in)	32 of 100 (Routine)
Table.Mtn Platteklip	South Africa	Record daily precipitation	25.2 mm (1.0 in)	32 of 100 (Routine)
Morris River	United States	Record daily precipitation	69.6 mm (2.7 in)	32 of 100 (Routine)
Keokuk L&D 19	United States	Record daily precipitation	56.6 mm (2.2 in)	32 of 100 (Routine)
Clinton Forestry HQ	United States	Record daily precipitation	61.5 mm (2.4 in)	32 of 100 (Routine)
S Haven	United States	Record daily precipitation	84.8 mm (3.3 in)	32 of 100 (Routine)
Albany	United States	Record daily precipitation	33.5 mm (1.3 in)	32 of 100 (Routine)
Tartu-Toravere	Estonia	Record low minimum temperature	1.7 C (35.1 F)	30 of 100 (Routine)
Iklera(Aklera)	India	Record daily precipitation	134.6 mm (5.3 in)	30 of 100 (Routine)
White Cliffs	United States	Record daily precipitation	58.4 mm (2.3 in)	30 of 100 (Routine)

Counts by Type and Timescale

417 records

Records set or tied on 30 August 1955 by type: Highest daily maximum 67, Lowest daily maximum 8, Highest daily minimum 75, Lowest daily minimum 41, Heaviest daily rainfall 226.

Records on 30 August 1955 by type
Record type	Records
Highest daily maximum	67
Lowest daily maximum	8
Highest daily minimum	75
Lowest daily minimum	41
Heaviest daily rainfall	226
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 30 August 1955 by timescale: all-time 2, monthly 20, daily 395.

How Much Records Were Beaten By

346 broken records

Margins by which the 346 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 80.0. Ties are not counted.

Top 20 by Significance

30 August 1955

Top 20 records on 30 August 1955 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 August 1955	Alma, US	daily rain	95.0 mm (3.7 in)	80.0 mm (3.1 in)	53 years	62 of 100 (Major)
30 August 1955	Valparaiso Wtr Wks, US	daily rain	93.0 mm (3.7 in)	78.3 mm (3.1 in)	52 years	61 of 100 (Major)
30 August 1955	Lowell, US	all-time rain	142.2 mm (5.6 in)	42.9 mm (1.7 in)	2 years	58 of 100 (Notable)
30 August 1955	Pontiac, US	daily rain	82.0 mm (3.2 in)	57.9 mm (2.3 in)	36 years	56 of 100 (Notable)
30 August 1955	Bloomingdale, US	daily rain	82.6 mm (3.3 in)	73.7 mm (2.9 in)	36 years	55 of 100 (Notable)
30 August 1955	E Tawas, US	daily rain	64.3 mm (2.5 in)	38.6 mm (1.5 in)	53 years	55 of 100 (Notable)
30 August 1955	Alpena Co Rgnl AP, US	daily rain	49.5 mm (1.9 in)	42.9 mm (1.7 in)	36 years	54 of 100 (Notable)
30 August 1955	Morris 1NW, US	daily rain	57.2 mm (2.3 in)	45.3 mm (1.8 in)	36 years	52 of 100 (Notable)
30 August 1955	Harrison 1 NNW, US	daily rain	51.1 mm (2.0 in)	42.2 mm (1.7 in)	53 years	52 of 100 (Notable)
30 August 1955	Palmyra, US	daily rain	66.3 mm (2.6 in)	48.0 mm (1.9 in)	50 years	52 of 100 (Notable)
30 August 1955	Winamac 2SSE, US	daily rain	68.1 mm (2.7 in)	50.6 mm (2.0 in)	20 years	51 of 100 (Notable)
30 August 1955	Monroe City, US	daily rain	75.9 mm (3.0 in)	61.4 mm (2.4 in)	26 years	49 of 100 (Notable)
30 August 1955	Midland 2, US	daily rain	74.9 mm (2.9 in)	61.2 mm (2.4 in)	8 years	48 of 100 (Notable)
30 August 1955	Geneve Observatoire, CH	daily rain	54.1 mm (2.1 in)	31.0 mm (1.2 in)	46 years	47 of 100 (Notable)
30 August 1955	Jalgaon, IN	daily rain	95.3 mm (3.8 in)	37.1 mm (1.5 in)	48 years	43 of 100 (Notable)
30 August 1955	Gaylord, US	daily rain	51.1 mm (2.0 in)	23.2 mm (0.9 in)	53 years	42 of 100 (Notable)
30 August 1955	Mexico, US	daily rain	72.4 mm (2.9 in)	51.6 mm (2.0 in)	4 years	42 of 100 (Notable)
30 August 1955	Havana, US	monthly rain	90.2 mm (3.6 in)	27.7 mm (1.1 in)	15 years	41 of 100 (Notable)
30 August 1955	Minonk, US	daily rain	66.3 mm (2.6 in)	37.1 mm (1.5 in)	36 years	41 of 100 (Notable)
30 August 1955	Central Michigan UNIV, US	monthly rain	86.4 mm (3.4 in)	22.4 mm (0.9 in)	15 years	40 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

1806 to 1955

Records set or tied on this calendar date in each year from 1806 to 1955. 1955 had 417 records.

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

Records on 08-30 in each year
Year	Records
1806	1
1807	4
1813	1
1814	2
1827	1
1829	1
1835	1
1838	1
1839	1
1845	4
1850	1
1851	2
1855	1
1857	1
1859	1
1864	2
1867	1
1869	1
1870	2
1874	1
1875	2
1876	1
1877	2
1878	1
1880	4
1881	2
1882	1
1884	1
1885	5
1886	7
1887	1
1888	1
1889	2
1890	5
1891	1
1892	3
1893	3
1894	2
1895	1
1896	1
1897	3
1898	3
1899	2
1900	6
1901	8
1902	12
1903	19
1904	13
1905	23
1906	29
1907	8
1908	10
1909	37
1910	15
1911	41
1912	60
1913	22
1914	23
1915	47
1916	17
1917	50
1918	45
1919	17
1920	78
1921	100
1922	65
1923	61
1924	283
1925	167
1926	173
1927	109
1928	327
1929	208
1930	245
1931	192
1932	1,102
1933	274
1934	519
1935	476
1936	191
1937	418
1938	233
1939	401
1940	346
1941	422
1942	385
1943	487
1944	491
1945	455
1946	545
1947	599
1948	519
1949	240
1950	481
1951	1,091
1952	316
1953	1,124
1954	516
1955	417
1956	479
1957	321
1958	363
1959	546
1960	356
1961	573
1962	387
1963	442
1964	422
1965	1,118
1966	500
1967	536
1968	729
1969	522
1970	423
1971	443
1972	579
1973	646
1974	838
1975	664
1976	679
1977	665
1978	825
1979	517
1980	572
1981	684
1982	770
1983	696
1984	1,127
1985	629
1986	1,768
1987	638
1988	881
1989	791
1990	983
1991	938
1992	1,697
1993	1,200
1994	601
1995	940
1996	1,385
1997	960
1998	1,278
1999	864
2000	1,189
2001	750
2002	801
2003	1,226
2004	1,087
2005	1,500
2006	989
2007	1,300
2008	678
2009	1,251
2010	1,552
2011	994
2012	1,087
2013	644
2014	558
2015	1,074
2016	552
2017	924
2018	616
2019	755
2020	671
2021	429
2022	1,077
2023	651
2024	912
2025	324
2026	733

Download the Data

Data for records on 1955-08-30: 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	229
10 to 20	46
20 to 30	29
30 to 40	19
40 to 50	11
50 to 60	6
60 to 70	3
70 to 80	3