Weather Records on 1 September 1951

668 weather records were set or tied worldwide on 1 September 1951. Highest significance: Lodgepole, US.

Key Facts for 1 September 1951

On 1 September 1951, 668 weather records were set or tied at long-record stations worldwide.
301 were record highs and 219 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 63 monthly and 603 daily.
Lodgepole set a daily record precipitation of 38.9 mm (1.5 in) on 1 September 1951.
Across 161 earlier years (1797 to 2026) the same calendar date averaged 440 records.

Record Map

668 stations

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

Weather records on 1 September 1951: highest significance records shown on the map
Station	Country	Type	Value	Significance
Lodgepole	United States	Record daily precipitation	38.9 mm (1.5 in)	57 of 100 (Notable)
Roros	Norway	Record daily precipitation	25.1 mm (1.0 in)	54 of 100 (Notable)
Innisfail	Australia	Record daily precipitation	74.7 mm (2.9 in)	52 of 100 (Notable)
Pearl River	United States	Record daily precipitation	149.9 mm (5.9 in)	52 of 100 (Notable)
Palmaryville	South Africa	Record daily precipitation	44.5 mm (1.8 in)	51 of 100 (Notable)
Yarrabah Comm Council	Australia	Record daily precipitation	38.6 mm (1.5 in)	50 of 100 (Notable)
Goondi Mill Csr	Australia	Record daily precipitation	90.2 mm (3.6 in)	48 of 100 (Notable)
Wooster 2 SE	United States	Record daily precipitation	52.1 mm (2.1 in)	48 of 100 (Notable)
Bosbokrand (Pol)	South Africa	Record daily precipitation	46.0 mm (1.8 in)	46 of 100 (Notable)
Wooster Exp STN	United States	Record daily precipitation	45.5 mm (1.8 in)	46 of 100 (Notable)
Uniontown 1 NE	United States	Record daily precipitation	44.2 mm (1.7 in)	46 of 100 (Notable)
Coleman	Canada	Record daily precipitation	53.3 mm (2.1 in)	44 of 100 (Notable)
Poronajsk	Russia	Record daily precipitation	105.1 mm (4.1 in)	44 of 100 (Notable)
Carmichael (Tnk)	South Africa	Record daily precipitation	35.1 mm (1.4 in)	41 of 100 (Notable)
Tshakhuma	South Africa	Record daily precipitation	46.5 mm (1.8 in)	41 of 100 (Notable)
Sarna	Sweden	Record daily precipitation	43.0 mm (1.7 in)	40 of 100 (Notable)
Mourilyan Post Office	Australia	Record daily precipitation	56.1 mm (2.2 in)	38 of 100 (Notable)
Harrisburg 12WNW	United States	Record daily precipitation	32.5 mm (1.3 in)	38 of 100 (Notable)
Gavle	Sweden	Record high maximum temperature	25.8 C (78.4 F)	36 of 100 (Notable)
Eastbourne	United Kingdom	Record daily precipitation	42.9 mm (1.7 in)	36 of 100 (Notable)
Kimball 2NE	United States	Record daily precipitation	34.3 mm (1.4 in)	36 of 100 (Notable)
Morgantown 1	United States	Record high minimum temperature	25.6 C (78.1 F)	36 of 100 (Notable)
New Martinsville 4 NNE	United States	Record daily precipitation	37.8 mm (1.5 in)	35 of 100 (Notable)
Oneonta	United States	Record high maximum temperature	38.3 C (100.9 F)	34 of 100 (Routine)
Skukuza	South Africa	Record daily precipitation	29.0 mm (1.1 in)	32 of 100 (Routine)
Lake Providence	United States	Record high maximum temperature	43.3 C (109.9 F)	32 of 100 (Routine)
Portsmouth-Sciotoville	United States	Record high minimum temperature	23.9 C (75.0 F)	32 of 100 (Routine)
Mexia	United States	Record high minimum temperature	26.7 C (80.1 F)	32 of 100 (Routine)
Kowardha	India	Record daily precipitation	58.7 mm (2.3 in)	31 of 100 (Routine)
Marion 2 N	United States	Record high maximum temperature	38.9 C (102.0 F)	31 of 100 (Routine)
Karmala	India	Record daily precipitation	43.2 mm (1.7 in)	30 of 100 (Routine)
Pushmataha	United States	Record high maximum temperature	40.6 C (105.1 F)	30 of 100 (Routine)
Dumas	United States	Record daily precipitation	31.2 mm (1.2 in)	30 of 100 (Routine)
Laurel	United States	Record high maximum temperature	40.6 C (105.1 F)	30 of 100 (Routine)
Greensburg 2 S	United States	Record daily precipitation	29.2 mm (1.1 in)	30 of 100 (Routine)
Woodstock	Canada	Record low maximum temperature	14.4 C (57.9 F)	29 of 100 (Routine)
Ramtek	India	Record daily precipitation	83.6 mm (3.3 in)	29 of 100 (Routine)
Willmar Wwtp	United States	Record low maximum temperature	14.4 C (57.9 F)	27 of 100 (Routine)
Zametchino	Russia	Record high minimum temperature	16.3 C (61.3 F)	26 of 100 (Routine)
Prescott	United States	Record low minimum temperature	3.9 C (39.0 F)	26 of 100 (Routine)
Derry 4 SW	United States	Record daily precipitation	25.4 mm (1.0 in)	26 of 100 (Routine)
Conroe	United States	Record high maximum temperature	40.0 C (104.0 F)	26 of 100 (Routine)
N Bend SW Oregon Rgnl AP	United States	Record low maximum temperature	13.9 C (57.0 F)	26 of 100 (Routine)
Glen Boughton	Australia	Record daily precipitation	34.5 mm (1.4 in)	25 of 100 (Routine)
Rapur	India	Record daily precipitation	39.6 mm (1.6 in)	25 of 100 (Routine)
Biser	Russia	Record high minimum temperature	13.6 C (56.5 F)	25 of 100 (Routine)
Middlekop (Bos)	South Africa	Record daily precipitation	28.7 mm (1.1 in)	25 of 100 (Routine)
Glennville 3NW	United States	Record daily precipitation	42.2 mm (1.7 in)	25 of 100 (Routine)
Leakesville 6 WSW	United States	Record high maximum temperature	41.7 C (107.1 F)	25 of 100 (Routine)
Oshkosh	United States	Record low maximum temperature	15.0 C (59.0 F)	25 of 100 (Routine)
Maricopa 9 SSW	United States	Record low maximum temperature	31.1 C (88.0 F)	24 of 100 (Routine)
Nogales	United States	Record low minimum temperature	8.3 C (46.9 F)	24 of 100 (Routine)
McCloud	United States	Record low minimum temperature	-1.1 C (30.0 F)	24 of 100 (Routine)
Raiford State Prison	United States	Record low minimum temperature	17.2 C (63.0 F)	24 of 100 (Routine)
Macon 2 NE	United States	Record high minimum temperature	26.1 C (79.0 F)	24 of 100 (Routine)
Appleton	United States	Record low maximum temperature	14.4 C (57.9 F)	24 of 100 (Routine)
Waupaca	United States	Record low maximum temperature	14.4 C (57.9 F)	24 of 100 (Routine)
Cherdyn'	Russia	Record high minimum temperature	15.0 C (59.0 F)	23 of 100 (Routine)
Ekaterinburg	Russia	Record high minimum temperature	14.4 C (57.9 F)	23 of 100 (Routine)
Jeffersonville	United States	Record high minimum temperature	25.0 C (77.0 F)	23 of 100 (Routine)

Counts by Type and Timescale

668 records

Records set or tied on 1 September 1951 by type: Highest daily maximum 184, Lowest daily maximum 152, Highest daily minimum 117, Lowest daily minimum 67, Heaviest daily rainfall 148.

Records on 1 September 1951 by type
Record type	Records
Highest daily maximum	184
Lowest daily maximum	152
Highest daily minimum	117
Lowest daily minimum	67
Heaviest daily rainfall	148
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 1 September 1951 by timescale: all-time 2, monthly 63, daily 603.

How Much Records Were Beaten By

486 broken records

Margins by which the 486 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 119.4. Ties are not counted.

Top 20 by Significance

1 September 1951

Top 20 records on 1 September 1951 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
1 September 1951	Lodgepole, US	daily rain	38.9 mm (1.5 in)	31.3 mm (1.2 in)	54 years	57 of 100 (Notable)
1 September 1951	Roros, NO	daily rain	25.1 mm (1.0 in)	14.3 mm (0.6 in)	33 years	54 of 100 (Notable)
1 September 1951	Innisfail, AU	daily rain	74.7 mm (2.9 in)	48.8 mm (1.9 in)	48 years	52 of 100 (Notable)
1 September 1951	Pearl River, US	daily rain	149.9 mm (5.9 in)	119.4 mm (4.7 in)	29 years	52 of 100 (Notable)
1 September 1951	Palmaryville, ZA	daily rain	44.5 mm (1.8 in)	44.0 mm (1.7 in)	24 years	51 of 100 (Notable)
1 September 1951	Yarrabah Comm Council, AU	daily rain	38.6 mm (1.5 in)	30.5 mm (1.2 in)	36 years	50 of 100 (Notable)
1 September 1951	Goondi Mill Csr, AU	daily rain	90.2 mm (3.6 in)	69.9 mm (2.8 in)	9 years	48 of 100 (Notable)
1 September 1951	Wooster 2 SE, US	daily rain	52.1 mm (2.1 in)	34.1 mm (1.3 in)	33 years	48 of 100 (Notable)
1 September 1951	Bosbokrand (Pol), ZA	daily rain	46.0 mm (1.8 in)	43.5 mm (1.7 in)	20 years	46 of 100 (Notable)
1 September 1951	Wooster Exp STN, US	daily rain	45.5 mm (1.8 in)	31.3 mm (1.2 in)	48 years	46 of 100 (Notable)
1 September 1951	Uniontown 1 NE, US	daily rain	44.2 mm (1.7 in)	26.9 mm (1.1 in)	51 years	46 of 100 (Notable)
1 September 1951	Coleman, CA	daily rain	53.3 mm (2.1 in)	23.8 mm (0.9 in)	32 years	44 of 100 (Notable)
1 September 1951	Poronajsk, RU	daily rain	105.1 mm (4.1 in)	59.6 mm (2.3 in)	1 year	44 of 100 (Notable)
1 September 1951	Carmichael (Tnk), ZA	daily rain	35.1 mm (1.4 in)	28.7 mm (1.1 in)	17 years	41 of 100 (Notable)
1 September 1951	Tshakhuma, ZA	daily rain	46.5 mm (1.8 in)	39.9 mm (1.6 in)	2 years	41 of 100 (Notable)
1 September 1951	Sarna, SE	daily rain	43.0 mm (1.7 in)	17.4 mm (0.7 in)	4 years	40 of 100 (Notable)
1 September 1951	Mourilyan Post Office, AU	daily rain	56.1 mm (2.2 in)	37.3 mm (1.5 in)	16 years	38 of 100 (Notable)
1 September 1951	Harrisburg 12WNW, US	daily rain	32.5 mm (1.3 in)	23.4 mm (0.9 in)	37 years	38 of 100 (Notable)
1 September 1951	Gavle, SE	monthly high max	25.8 C (78.4 F)	0.3 C (0.5 F)	64 years	36 of 100 (Notable)
1 September 1951	Eastbourne, GB	monthly rain	42.9 mm (1.7 in)	7.1 mm (0.28 in)	38 years	36 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

1797 to 1951

Records set or tied on this calendar date in each year from 1797 to 1951. 1951 had 668 records.

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

Records on 09-01 in each year
Year	Records
1797	1
1806	1
1819	1
1827	1
1831	1
1838	1
1851	1
1853	1
1854	1
1857	1
1858	1
1859	1
1860	2
1861	1
1865	1
1866	1
1867	2
1869	3
1871	1
1873	1
1876	2
1877	2
1878	3
1879	2
1881	5
1883	1
1886	3
1887	3
1888	2
1890	2
1892	2
1894	3
1897	4
1898	10
1899	3
1900	2
1901	14
1902	5
1903	16
1904	9
1905	6
1906	26
1907	14
1908	26
1909	34
1910	22
1911	16
1912	47
1913	32
1914	23
1915	46
1916	16
1917	24
1918	31
1919	19
1920	31
1921	46
1922	67
1923	75
1924	210
1925	127
1926	182
1927	136
1928	166
1929	324
1930	264
1931	233
1932	550
1933	622
1934	654
1935	584
1936	385
1937	502
1938	373
1939	303
1940	333
1941	497
1942	532
1943	578
1944	377
1945	497
1946	642
1947	555
1948	460
1949	1,102
1950	849
1951	668
1952	644
1953	937
1954	407
1955	413
1956	504
1957	320
1958	427
1959	519
1960	408
1961	531
1962	368
1963	416
1964	621
1965	657
1966	596
1967	1,263
1968	604
1969	493
1970	502
1971	464
1972	518
1973	874
1974	895
1975	939
1976	627
1977	500
1978	809
1979	459
1980	671
1981	649
1982	642
1983	1,167
1984	619
1985	901
1986	964
1987	909
1988	651
1989	823
1990	749
1991	687
1992	1,010
1993	1,122
1994	1,291
1995	1,165
1996	823
1997	1,161
1998	1,159
1999	925
2000	1,613
2001	904
2002	778
2003	1,254
2004	827
2005	901
2006	1,157
2007	976
2008	1,204
2009	1,003
2010	1,313
2011	1,071
2012	874
2013	775
2014	515
2015	661
2016	522
2017	686
2018	399
2019	800
2020	689
2021	751
2022	1,016
2023	720
2024	938
2025	359
2026	521

Download the Data

Data for records on 1951-09-01: 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	458
20 to 40	22
40 to 60	4
60 to 80	1
80 to 100	0
100 to 120	1