Weather Records on 30 August 1951

1,091 weather records were set or tied worldwide on 30 August 1951. Highest significance: Angus 1 N, US.

Key Facts for 30 August 1951

On 30 August 1951, 1,091 weather records were set or tied at long-record stations worldwide.
640 were record highs and 189 were record lows, counting maximum and minimum temperature.
By timescale, 3 were all-time records, 34 monthly and 1,054 daily.
Angus 1 N set a monthly record daily precipitation of 95.3 mm (3.8 in) on 30 August 1951.
Across 169 earlier years (1806 to 2026) the same calendar date averaged 419 records.

Record Map

1,091 stations

1,091 station records on 30 August 1951 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 August 1951: highest significance records shown on the map
Station	Country	Type	Value	Significance
Angus 1 N	United States	Record daily precipitation	95.3 mm (3.8 in)	53 of 100 (Notable)
Campbellford	Canada	Record daily precipitation	58.4 mm (2.3 in)	46 of 100 (Notable)
Pincher Creek Town	Canada	Record daily precipitation	56.1 mm (2.2 in)	45 of 100 (Notable)
Mandan Exp STN	United States	Record daily precipitation	53.3 mm (2.1 in)	45 of 100 (Notable)
Timber Lake	United States	Record daily precipitation	64.0 mm (2.5 in)	42 of 100 (Notable)
Baudette	United States	Record daily precipitation	64.8 mm (2.6 in)	41 of 100 (Notable)
Gila Bend 2SE	United States	Record low maximum temperature	30.0 C (86.0 F)	40 of 100 (Notable)
Calgary Int'l A	Canada	Record daily precipitation	29.2 mm (1.1 in)	39 of 100 (Notable)
Fort Macleod	Canada	Record daily precipitation	33.0 mm (1.3 in)	39 of 100 (Notable)
Madhubani	India	Record daily precipitation	163.3 mm (6.4 in)	37 of 100 (Notable)
Thief River Falls	United States	Record daily precipitation	55.4 mm (2.2 in)	37 of 100 (Notable)
Fessenden	United States	Record daily precipitation	44.7 mm (1.8 in)	37 of 100 (Notable)
Elk Point	Canada	Record daily precipitation	25.4 mm (1.0 in)	36 of 100 (Notable)
Granville	United States	Record daily precipitation	45.2 mm (1.8 in)	36 of 100 (Notable)
Caldwell	Canada	Record daily precipitation	47.8 mm (1.9 in)	35 of 100 (Notable)
Ruel	Canada	Record daily precipitation	34.0 mm (1.3 in)	35 of 100 (Notable)
Sandvig	Denmark	Record high maximum temperature	27.1 C (80.8 F)	35 of 100 (Notable)
Livingston	United States	Record high minimum temperature	25.6 C (78.1 F)	35 of 100 (Notable)
Mesa	United States	Record low maximum temperature	26.7 C (80.1 F)	35 of 100 (Notable)
State UNIV	United States	Record high minimum temperature	26.1 C (79.0 F)	35 of 100 (Notable)
Fortine 1 N	United States	Record daily precipitation	39.4 mm (1.6 in)	35 of 100 (Notable)
Coldwater	Canada	Record daily precipitation	44.5 mm (1.8 in)	34 of 100 (Routine)
Ozark 6 NNW	United States	Record high minimum temperature	25.0 C (77.0 F)	34 of 100 (Routine)
Thomasville	United States	Record high minimum temperature	24.4 C (75.9 F)	34 of 100 (Routine)
Mobridge 2NNW	United States	Record daily precipitation	64.3 mm (2.5 in)	34 of 100 (Routine)
Fort Macleod	Canada	Record low maximum temperature	10.0 C (50.0 F)	33 of 100 (Routine)
Ipswich	United States	Record daily precipitation	40.9 mm (1.6 in)	33 of 100 (Routine)
Palmetto	United States	Record high maximum temperature	40.0 C (104.0 F)	33 of 100 (Routine)
Welland	Canada	Record high maximum temperature	32.8 C (91.0 F)	32 of 100 (Routine)
Putbus	Germany	Record high maximum temperature	28.4 C (83.1 F)	32 of 100 (Routine)
Maricopa 9 SSW	United States	Record low maximum temperature	31.7 C (89.1 F)	32 of 100 (Routine)
Payson Rs	United States	Record daily precipitation	29.2 mm (1.1 in)	32 of 100 (Routine)
Yuma Citrus STN	United States	Record low maximum temperature	27.8 C (82.0 F)	32 of 100 (Routine)
Kentfield	United States	Record high minimum temperature	16.1 C (61.0 F)	32 of 100 (Routine)
Porthill	United States	Record daily precipitation	38.1 mm (1.5 in)	32 of 100 (Routine)
Paoli	United States	Record daily precipitation	33.0 mm (1.3 in)	32 of 100 (Routine)
Ft Yates 4 SW	United States	Record daily precipitation	36.1 mm (1.4 in)	32 of 100 (Routine)
Braunschweig (T.H.)	Germany	Record daily precipitation	33.4 mm (1.3 in)	31 of 100 (Routine)
Tempe 3 S	United States	Record low maximum temperature	25.6 C (78.1 F)	31 of 100 (Routine)
Barrett Dam	United States	Record low maximum temperature	18.9 C (66.0 F)	31 of 100 (Routine)
Blakely	United States	Record high minimum temperature	25.0 C (77.0 F)	31 of 100 (Routine)
Lucinda Township	Australia	Record daily precipitation	52.8 mm (2.1 in)	30 of 100 (Routine)
Koebenhavn: Landbohojskolen-1	Denmark	Record high maximum temperature	26.3 C (79.3 F)	30 of 100 (Routine)
Karlsruhe	Germany	Record high maximum temperature	31.6 C (88.9 F)	30 of 100 (Routine)
Weissenburg	Germany	Record high maximum temperature	31.3 C (88.3 F)	30 of 100 (Routine)
Bird Island	United States	Record daily precipitation	41.7 mm (1.6 in)	30 of 100 (Routine)
Knysna (Tnk)	South Africa	Record daily precipitation	27.7 mm (1.1 in)	29 of 100 (Routine)
Bradford	United Kingdom	Record daily precipitation	27.3 mm (1.1 in)	29 of 100 (Routine)
Leakesville 6 WSW	United States	Record high maximum temperature	39.4 C (102.9 F)	29 of 100 (Routine)
Macon 2 NE	United States	Record high minimum temperature	25.6 C (78.1 F)	29 of 100 (Routine)
Tyler Pounds Fld	United States	Record high maximum temperature	38.9 C (102.0 F)	29 of 100 (Routine)
Freiburg	Germany	Record high maximum temperature	31.4 C (88.5 F)	28 of 100 (Routine)
Santa Paula	United States	Record low maximum temperature	20.0 C (68.0 F)	28 of 100 (Routine)
Pleasant Valley	United States	Record low maximum temperature	10.0 C (50.0 F)	28 of 100 (Routine)
Manchester	United States	Record high maximum temperature	28.9 C (84.0 F)	28 of 100 (Routine)
Hillsdown	Canada	Record daily precipitation	33.5 mm (1.3 in)	27 of 100 (Routine)
Beaver Mines	Canada	Record daily precipitation	44.5 mm (1.8 in)	27 of 100 (Routine)
Chapleau 2	Canada	Record daily precipitation	35.6 mm (1.4 in)	27 of 100 (Routine)
Bamberg	Germany	Record high maximum temperature	32.1 C (89.8 F)	27 of 100 (Routine)
Marnitz	Germany	Record high maximum temperature	31.4 C (88.5 F)	27 of 100 (Routine)

Counts by Type and Timescale

1,091 records

Records set or tied on 30 August 1951 by type: Highest daily maximum 320, Lowest daily maximum 173, Highest daily minimum 320, Lowest daily minimum 16, Heaviest daily rainfall 262.

Records on 30 August 1951 by type
Record type	Records
Highest daily maximum	320
Lowest daily maximum	173
Highest daily minimum	320
Lowest daily minimum	16
Heaviest daily rainfall	262
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 30 August 1951 by timescale: all-time 3, monthly 34, daily 1,054.

How Much Records Were Beaten By

821 broken records

Margins by which the 821 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 90.7. Ties are not counted.

Top 20 by Significance

30 August 1951

Top 20 records on 30 August 1951 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 August 1951	Angus 1 N, US	monthly rain	95.3 mm (3.8 in)	36.9 mm (1.5 in)	12 years	53 of 100 (Notable)
30 August 1951	Campbellford, CA	daily rain	58.4 mm (2.3 in)	42.4 mm (1.7 in)	12 years	46 of 100 (Notable)
30 August 1951	Pincher Creek Town, CA	daily rain	56.1 mm (2.2 in)	41.4 mm (1.6 in)	8 years	45 of 100 (Notable)
30 August 1951	Mandan Exp STN, US	daily rain	53.3 mm (2.1 in)	42.6 mm (1.7 in)	8 years	45 of 100 (Notable)
30 August 1951	Timber Lake, US	monthly rain	64.0 mm (2.5 in)	15.7 mm (0.6 in)	37 years	42 of 100 (Notable)
30 August 1951	Baudette, US	daily rain	64.8 mm (2.6 in)	36.4 mm (1.4 in)	12 years	41 of 100 (Notable)
30 August 1951	Gila Bend 2SE, US	daily low max	30.0 C (86.0 F)	6.1 C (11.0 F)	38 years	40 of 100 (Notable)
30 August 1951	Calgary Int'l A, CA	daily rain	29.2 mm (1.1 in)	12.7 mm (0.5 in)	65 years	39 of 100 (Notable)
30 August 1951	Fort Macleod, CA	daily rain	33.0 mm (1.3 in)	26.9 mm (1.1 in)	16 years	39 of 100 (Notable)
30 August 1951	Madhubani, IN	daily rain	163.3 mm (6.4 in)	90.7 mm (3.6 in)	4 years	37 of 100 (Notable)
30 August 1951	Thief River Falls, US	daily rain	55.4 mm (2.2 in)	20.6 mm (0.8 in)	50 years	37 of 100 (Notable)
30 August 1951	Fessenden, US	daily rain	44.7 mm (1.8 in)	28.7 mm (1.1 in)	6 years	37 of 100 (Notable)
30 August 1951	Elk Point, CA	daily rain	25.4 mm (1.0 in)	21.3 mm (0.8 in)	26 years	36 of 100 (Notable)
30 August 1951	Granville, US	daily rain	45.2 mm (1.8 in)	26.1 mm (1.0 in)	9 years	36 of 100 (Notable)
30 August 1951	Caldwell, CA	daily rain	47.8 mm (1.9 in)	30.8 mm (1.2 in)	8 years	35 of 100 (Notable)
30 August 1951	Ruel, CA	daily rain	34.0 mm (1.3 in)	22.8 mm (0.9 in)	14 years	35 of 100 (Notable)
30 August 1951	Sandvig, DK	daily high max	27.1 C (80.8 F)	2.3 C (4.1 F)	63 years	35 of 100 (Notable)
30 August 1951	Livingston, US	daily high min	25.6 C (78.1 F)	2.8 C (5.0 F)	50 years	35 of 100 (Notable)
30 August 1951	Mesa, US	daily low max	26.7 C (80.1 F)	5.0 C (9.0 F)	44 years	35 of 100 (Notable)
30 August 1951	State UNIV, US	daily high min	26.1 C (79.0 F)	2.8 C (5.0 F)	58 years	35 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 1951

Records set or tied on this calendar date in each year from 1806 to 1951. 1951 had 1,091 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 1951-08-30: 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	799
20 to 40	18
40 to 60	3
60 to 80	0
80 to 100	1