Weather Records on 30 August 1947

599 weather records were set or tied worldwide on 30 August 1947. Highest significance: Harrow Cda, CA.

Key Facts for 30 August 1947

On 30 August 1947, 599 weather records were set or tied at long-record stations worldwide.
368 were record highs and 61 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 14 monthly and 583 daily.
Harrow Cda set a daily record precipitation of 48.0 mm (1.9 in) on 30 August 1947.
Across 169 earlier years (1806 to 2026) the same calendar date averaged 422 records.

Record Map

599 stations

599 station records on 30 August 1947 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 August 1947: highest significance records shown on the map
Station	Country	Type	Value	Significance
Harrow Cda	Canada	Record daily precipitation	48.0 mm (1.9 in)	50 of 100 (Notable)
Armagh	United Kingdom	Record high maximum temperature	25.3 C (77.5 F)	49 of 100 (Notable)
Pelee Island	Canada	Record daily precipitation	63.5 mm (2.5 in)	46 of 100 (Notable)
Leamington	Canada	Record daily precipitation	52.6 mm (2.1 in)	45 of 100 (Notable)
Vaikom	India	Record daily precipitation	127.0 mm (5.0 in)	45 of 100 (Notable)
Raisen	India	Record daily precipitation	144.3 mm (5.7 in)	40 of 100 (Notable)
New Castle 1 N	United States	Record daily precipitation	56.9 mm (2.2 in)	39 of 100 (Notable)
Wallaceburg	Canada	Record daily precipitation	38.1 mm (1.5 in)	37 of 100 (Notable)
Foxpark	United States	Record high minimum temperature	18.3 C (64.9 F)	37 of 100 (Notable)
Nalia	India	Record daily precipitation	89.7 mm (3.5 in)	36 of 100 (Notable)
Baindur	India	Record daily precipitation	164.3 mm (6.5 in)	35 of 100 (Notable)
Fairbank 1 S	United States	Record daily precipitation	38.1 mm (1.5 in)	35 of 100 (Notable)
Bay City	United States	Record daily precipitation	38.1 mm (1.5 in)	34 of 100 (Routine)
Gorlitz	Germany	Record low minimum temperature	4.0 C (39.2 F)	33 of 100 (Routine)
Bodalkasa	India	Record daily precipitation	205.7 mm (8.1 in)	33 of 100 (Routine)
Raver	India	Record daily precipitation	83.1 mm (3.3 in)	33 of 100 (Routine)
Dublin Phoenix Park	Ireland	Record high maximum temperature	25.0 C (77.0 F)	32 of 100 (Routine)
Magdeburg	Germany	Record low minimum temperature	4.4 C (39.9 F)	32 of 100 (Routine)
Kristianstad	Sweden	Record low minimum temperature	5.0 C (41.0 F)	32 of 100 (Routine)
Wayne	United States	Record daily precipitation	42.4 mm (1.7 in)	32 of 100 (Routine)
Szeged	Hungary	Record low minimum temperature	6.4 C (43.5 F)	31 of 100 (Routine)
Byad	India	Record daily precipitation	128.0 mm (5.0 in)	31 of 100 (Routine)
Montgomery Wb City	United States	Record high minimum temperature	24.4 C (75.9 F)	31 of 100 (Routine)
Grand Rapids Wb City	United States	Record daily precipitation	38.6 mm (1.5 in)	31 of 100 (Routine)
Chachora	India	Record daily precipitation	119.4 mm (4.7 in)	30 of 100 (Routine)
Gadarwara	India	Record daily precipitation	109.2 mm (4.3 in)	30 of 100 (Routine)
Prescott 2 NNW	United States	Record high minimum temperature	24.4 C (75.9 F)	30 of 100 (Routine)
Murdo	United States	Record high minimum temperature	27.2 C (81.0 F)	30 of 100 (Routine)
Olean	United States	Record daily precipitation	25.4 mm (1.0 in)	29 of 100 (Routine)
Hillsdale	United States	Record daily precipitation	47.0 mm (1.9 in)	28 of 100 (Routine)
Praha-Klementinum	Czech Republic	Record low minimum temperature	8.2 C (46.8 F)	27 of 100 (Routine)
Gospic	Croatia	Record low maximum temperature	16.2 C (61.2 F)	27 of 100 (Routine)
Navanagar	India	Record daily precipitation	147.8 mm (5.8 in)	27 of 100 (Routine)
Springerville	United States	Record daily precipitation	28.4 mm (1.1 in)	27 of 100 (Routine)
Russellville	United States	Record high maximum temperature	41.1 C (106.0 F)	27 of 100 (Routine)
Lapeer 2 SE	United States	Record daily precipitation	32.5 mm (1.3 in)	27 of 100 (Routine)
Schwerin	Germany	Record low minimum temperature	7.1 C (44.8 F)	26 of 100 (Routine)
Bareli	India	Record daily precipitation	83.8 mm (3.3 in)	26 of 100 (Routine)
Seoni	India	Record daily precipitation	81.3 mm (3.2 in)	26 of 100 (Routine)
Grand Rapids Sutron	United States	Record daily precipitation	38.9 mm (1.5 in)	26 of 100 (Routine)
Camp Crook	United States	Record high minimum temperature	27.8 C (82.0 F)	26 of 100 (Routine)
Vananda	Canada	Record high minimum temperature	17.8 C (64.0 F)	25 of 100 (Routine)
Porbandar	India	Record daily precipitation	62.2 mm (2.4 in)	25 of 100 (Routine)
Ekaterinburg	Russia	Record high minimum temperature	15.2 C (59.4 F)	25 of 100 (Routine)
Unionville	United States	Record high maximum temperature	39.4 C (102.9 F)	25 of 100 (Routine)
Circleville	United States	Record daily precipitation	36.8 mm (1.4 in)	25 of 100 (Routine)
State College	United States	Record daily precipitation	30.7 mm (1.2 in)	25 of 100 (Routine)
Columbia Wb City	United States	Record high maximum temperature	40.0 C (104.0 F)	25 of 100 (Routine)
Rpf 206 Mile	Australia	Record daily precipitation	40.6 mm (1.6 in)	24 of 100 (Routine)
Narayanganj	India	Record daily precipitation	107.2 mm (4.2 in)	24 of 100 (Routine)
Yreka	United States	Record low maximum temperature	15.6 C (60.1 F)	24 of 100 (Routine)
Flora 5 NW	United States	Record high minimum temperature	22.8 C (73.0 F)	24 of 100 (Routine)
Jacksonville 2E	United States	Record high maximum temperature	37.8 C (100.0 F)	24 of 100 (Routine)
Buffalo Bill Dam	United States	Record high minimum temperature	23.3 C (73.9 F)	24 of 100 (Routine)
Galway	Ireland	Record high maximum temperature	26.7 C (80.1 F)	23 of 100 (Routine)
Kistwar	India	Record daily precipitation	34.5 mm (1.4 in)	23 of 100 (Routine)
Hanumangarh	India	Record daily precipitation	43.2 mm (1.7 in)	23 of 100 (Routine)
Greeley	United States	Record high maximum temperature	36.1 C (97.0 F)	23 of 100 (Routine)
Batesville	United States	Record high minimum temperature	22.8 C (73.0 F)	23 of 100 (Routine)
Pontotoc	United States	Record high minimum temperature	24.4 C (75.9 F)	23 of 100 (Routine)

Counts by Type and Timescale

599 records

Records set or tied on 30 August 1947 by type: Highest daily maximum 236, Lowest daily maximum 15, Highest daily minimum 132, Lowest daily minimum 46, Heaviest daily rainfall 170.

Records on 30 August 1947 by type
Record type	Records
Highest daily maximum	236
Lowest daily maximum	15
Highest daily minimum	132
Lowest daily minimum	46
Heaviest daily rainfall	170
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 30 August 1947 by timescale: all-time 2, monthly 14, daily 583.

How Much Records Were Beaten By

456 broken records

Margins by which the 456 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 88.9. Ties are not counted.

Top 20 by Significance

30 August 1947

Top 20 records on 30 August 1947 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 August 1947	Harrow Cda, CA	daily rain	48.0 mm (1.9 in)	42.4 mm (1.7 in)	25 years	50 of 100 (Notable)
30 August 1947	Armagh, GB	daily high max	25.3 C (77.5 F)	2.4 C (4.3 F)	101 years	49 of 100 (Notable)
30 August 1947	Pelee Island, CA	daily rain	63.5 mm (2.5 in)	43.2 mm (1.7 in)	44 years	46 of 100 (Notable)
30 August 1947	Leamington, CA	daily rain	52.6 mm (2.1 in)	38.6 mm (1.5 in)	6 years	45 of 100 (Notable)
30 August 1947	Vaikom, IN	daily rain	127.0 mm (5.0 in)	83.8 mm (3.3 in)	14 years	45 of 100 (Notable)
30 August 1947	Raisen, IN	daily rain	144.3 mm (5.7 in)	87.1 mm (3.4 in)	24 years	40 of 100 (Notable)
30 August 1947	New Castle 1 N, US	daily rain	56.9 mm (2.2 in)	33.8 mm (1.3 in)	14 years	39 of 100 (Notable)
30 August 1947	Wallaceburg, CA	daily rain	38.1 mm (1.5 in)	29.7 mm (1.2 in)	22 years	37 of 100 (Notable)
30 August 1947	Foxpark, US	all-time high min	18.3 C (64.9 F)	2.7 C (4.9 F)	26 years	37 of 100 (Notable)
30 August 1947	Nalia, IN	daily rain	89.7 mm (3.5 in)	64.3 mm (2.5 in)	20 years	36 of 100 (Notable)
30 August 1947	Baindur, IN	daily rain	164.3 mm (6.5 in)	68.3 mm (2.7 in)	29 years	35 of 100 (Notable)
30 August 1947	Fairbank 1 S, US	daily rain	38.1 mm (1.5 in)	28.4 mm (1.1 in)	13 years	35 of 100 (Notable)
30 August 1947	Bay City, US	daily rain	38.1 mm (1.5 in)	25.4 mm (1.0 in)	44 years	34 of 100 (Routine)
30 August 1947	Gorlitz, DE	monthly low min	4.0 C (39.2 F)	0.2 C (0.4 F)	59 years	33 of 100 (Routine)
30 August 1947	Bodalkasa, IN	daily rain	205.7 mm (8.1 in)	88.9 mm (3.5 in)	1 year	33 of 100 (Routine)
30 August 1947	Raver, IN	daily rain	83.1 mm (3.3 in)	25.9 mm (1.0 in)	40 years	33 of 100 (Routine)
30 August 1947	Dublin Phoenix Park, IE	daily high max	25.0 C (77.0 F)	0.6 C (1.1 F)	75 years	32 of 100 (Routine)
30 August 1947	Magdeburg, DE	daily low min	4.4 C (39.9 F)	3.1 C (5.6 F)	50 years	32 of 100 (Routine)
30 August 1947	Kristianstad, SE	daily low min	5.0 C (41.0 F)	2.0 C (3.6 F)	61 years	32 of 100 (Routine)
30 August 1947	Wayne, US	daily rain	42.4 mm (1.7 in)	29.7 mm (1.2 in)	6 years	32 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

1806 to 1947

Records set or tied on this calendar date in each year from 1806 to 1947. 1947 had 599 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 1947-08-30: 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 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Margin	Records
0 to 20	429
20 to 40	17
40 to 60	5
60 to 80	2
80 to 100	3