Weather Records on 5 September 1940

249 weather records were set or tied worldwide on 5 September 1940. Highest significance: Lebo, US.

Key Facts for 5 September 1940

On 5 September 1940, 249 weather records were set or tied at long-record stations worldwide.
104 were record highs and 47 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 22 monthly and 227 daily.
Lebo set a monthly record daily precipitation of 184.2 mm (7.3 in) on 5 September 1940.
Across 157 earlier years (1802 to 2026) the same calendar date averaged 463 records.

Record Map

249 stations

249 station records on 5 September 1940 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 5 September 1940: highest significance records shown on the map
Station	Country	Type	Value	Significance
Lebo	United States	Record daily precipitation	184.2 mm (7.3 in)	53 of 100 (Notable)
Yates Ctr	United States	Record daily precipitation	86.4 mm (3.4 in)	44 of 100 (Notable)
Kellogg	United States	Record daily precipitation	27.4 mm (1.1 in)	38 of 100 (Notable)
Burlington	United States	Record daily precipitation	93.2 mm (3.7 in)	36 of 100 (Notable)
Tulsa	United States	Record daily precipitation	104.4 mm (4.1 in)	36 of 100 (Notable)
Nowgong	India	Record daily precipitation	98.0 mm (3.9 in)	34 of 100 (Routine)
Hilo 86A	United States	Record daily precipitation	84.6 mm (3.3 in)	33 of 100 (Routine)
Calgary Int'l A	Canada	Record daily precipitation	29.2 mm (1.1 in)	32 of 100 (Routine)
Minnedosa	Canada	Record high minimum temperature	18.9 C (66.0 F)	30 of 100 (Routine)
Shillong	India	Record daily precipitation	80.3 mm (3.2 in)	29 of 100 (Routine)
Krishnanagar	India	Record daily precipitation	53.1 mm (2.1 in)	28 of 100 (Routine)
Saint Maries	United States	Record daily precipitation	31.5 mm (1.2 in)	28 of 100 (Routine)
Bathurst Gaol	Australia	Record low minimum temperature	-3.9 C (25.0 F)	27 of 100 (Routine)
Cape Otway Lighthouse	Australia	Record high minimum temperature	15.0 C (59.0 F)	27 of 100 (Routine)
Dauphin	Canada	Record high minimum temperature	20.6 C (69.1 F)	26 of 100 (Routine)
Upper Shillong	India	Record daily precipitation	84.1 mm (3.3 in)	26 of 100 (Routine)
Neosho Rapids	United States	Record daily precipitation	142.2 mm (5.6 in)	26 of 100 (Routine)
Jowai	India	Record daily precipitation	141.0 mm (5.6 in)	25 of 100 (Routine)
Ufa	Russia	Record high minimum temperature	18.7 C (65.7 F)	25 of 100 (Routine)
Saskatoon Diefenbaker Int'l A	Canada	Record high minimum temperature	15.6 C (60.1 F)	24 of 100 (Routine)
Indian Head Cda	Canada	Record high minimum temperature	16.7 C (62.1 F)	23 of 100 (Routine)
Russell	Canada	Record high minimum temperature	17.8 C (64.0 F)	23 of 100 (Routine)
Gyzylarbat	Turkmenistan	Record high minimum temperature	27.5 C (81.5 F)	23 of 100 (Routine)
Humboldt	Canada	Record high minimum temperature	17.2 C (63.0 F)	22 of 100 (Routine)
Yorkton	Canada	Record high minimum temperature	17.2 C (63.0 F)	22 of 100 (Routine)
Norway House	Canada	Record high minimum temperature	20.0 C (68.0 F)	22 of 100 (Routine)
Yosemite Park HQ	United States	Record low maximum temperature	18.3 C (64.9 F)	22 of 100 (Routine)
Fallon Exp STN	United States	Record low maximum temperature	18.3 C (64.9 F)	22 of 100 (Routine)
Westhope	United States	Record high minimum temperature	18.3 C (64.9 F)	22 of 100 (Routine)
Gorlitz	Germany	Record low minimum temperature	5.6 C (42.1 F)	21 of 100 (Routine)
Madhubani	India	Record daily precipitation	82.6 mm (3.3 in)	21 of 100 (Routine)
Mana 1026	United States	Record high minimum temperature	23.3 C (73.9 F)	21 of 100 (Routine)
Gooding 2 S	United States	Record low maximum temperature	15.6 C (60.1 F)	21 of 100 (Routine)
St Georges	Canada	Record daily precipitation	20.3 mm (0.8 in)	20 of 100 (Routine)
Leeu Gamka (Sar)	South Africa	Record daily precipitation	3.0 mm (0.12 in)	20 of 100 (Routine)
Rosalia	United States	Record daily precipitation	20.3 mm (0.8 in)	20 of 100 (Routine)
E Lawai 934	United States	Record daily precipitation	23.6 mm (0.9 in)	20 of 100 (Routine)
Wilgerivier (Sar)	South Africa	Record daily precipitation	10.2 mm (0.4 in)	20 of 100 (Routine)
Grootvlei (Pol)	South Africa	Record daily precipitation	10.9 mm (0.4 in)	20 of 100 (Routine)
Welverdiend (Pol)	South Africa	Record daily precipitation	5.8 mm (0.23 in)	20 of 100 (Routine)
Orofino	United States	Record daily precipitation	20.6 mm (0.8 in)	20 of 100 (Routine)
Davenport	United States	Record daily precipitation	23.9 mm (0.9 in)	20 of 100 (Routine)
Prince Albert	Canada	Record high minimum temperature	17.8 C (64.0 F)	20 of 100 (Routine)
Hajipur	India	Record daily precipitation	59.7 mm (2.4 in)	20 of 100 (Routine)
Adirampatanam	India	Record daily precipitation	30.0 mm (1.2 in)	20 of 100 (Routine)
Sibasa	South Africa	Record daily precipitation	7.6 mm (0.30 in)	20 of 100 (Routine)
Porterville	United States	Record low maximum temperature	26.7 C (80.1 F)	20 of 100 (Routine)
Cambridge	United States	Record daily precipitation	7.9 mm (0.31 in)	20 of 100 (Routine)
Coeur D'Alene	United States	Record low maximum temperature	12.2 C (54.0 F)	20 of 100 (Routine)
Priest Rvr Exp STN	United States	Record daily precipitation	41.1 mm (1.6 in)	20 of 100 (Routine)
Hay Springs	United States	Record high minimum temperature	16.7 C (62.1 F)	20 of 100 (Routine)
Ada	United States	Record daily precipitation	63.8 mm (2.5 in)	20 of 100 (Routine)
Calvin	United States	Record daily precipitation	62.2 mm (2.4 in)	20 of 100 (Routine)
Sitka Magnetic Obsy	United States	Record daily precipitation	40.9 mm (1.6 in)	20 of 100 (Routine)
Silda Belpahari	India	Record daily precipitation	62.2 mm (2.4 in)	19 of 100 (Routine)
Pembina	United States	Record high minimum temperature	22.2 C (72.0 F)	19 of 100 (Routine)
Pincher Creek Town	Canada	Record daily precipitation	41.4 mm (1.6 in)	18 of 100 (Routine)
Melfort	Canada	Record high minimum temperature	17.2 C (63.0 F)	18 of 100 (Routine)
Russell	Canada	Record daily precipitation	18.3 mm (0.7 in)	18 of 100 (Routine)
Cottbus	Germany	Record low minimum temperature	2.7 C (36.9 F)	18 of 100 (Routine)

Counts by Type and Timescale

249 records

Records set or tied on 5 September 1940 by type: Highest daily maximum 22, Lowest daily maximum 30, Highest daily minimum 82, Lowest daily minimum 17, Heaviest daily rainfall 98.

Records on 5 September 1940 by type
Record type	Records
Highest daily maximum	22
Lowest daily maximum	30
Highest daily minimum	82
Lowest daily minimum	17
Heaviest daily rainfall	98
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 5 September 1940 by timescale: all-time 0, monthly 22, daily 227.

How Much Records Were Beaten By

205 broken records

Margins by which the 205 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 65.6. Ties are not counted.

Top 20 by Significance

5 September 1940

Top 20 records on 5 September 1940 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
5 September 1940	Lebo, US	monthly rain	184.2 mm (7.3 in)	65.6 mm (2.6 in)	13 years	53 of 100 (Notable)
5 September 1940	Yates Ctr, US	daily rain	86.4 mm (3.4 in)	60.2 mm (2.4 in)	38 years	44 of 100 (Notable)
5 September 1940	Kellogg, US	daily rain	27.4 mm (1.1 in)	19.0 mm (0.7 in)	29 years	38 of 100 (Notable)
5 September 1940	Burlington, US	daily rain	93.2 mm (3.7 in)	51.5 mm (2.0 in)	30 years	36 of 100 (Notable)
5 September 1940	Tulsa, US	monthly rain	104.4 mm (4.1 in)	15.5 mm (0.6 in)	37 years	36 of 100 (Notable)
5 September 1940	Nowgong, IN	daily rain	98.0 mm (3.9 in)	51.0 mm (2.0 in)	19 years	34 of 100 (Routine)
5 September 1940	Hilo 86A, US	daily rain	84.6 mm (3.3 in)	47.8 mm (1.9 in)	18 years	33 of 100 (Routine)
5 September 1940	Calgary Int'l A, CA	daily rain	29.2 mm (1.1 in)	11.2 mm (0.4 in)	39 years	32 of 100 (Routine)
5 September 1940	Minnedosa, CA	monthly high min	18.9 C (66.0 F)	1.1 C (2.0 F)	43 years	30 of 100 (Routine)
5 September 1940	Shillong, IN	daily rain	80.3 mm (3.2 in)	31.5 mm (1.2 in)	33 years	29 of 100 (Routine)
5 September 1940	Krishnanagar, IN	daily rain	53.1 mm (2.1 in)	23.4 mm (0.9 in)	39 years	28 of 100 (Routine)
5 September 1940	Saint Maries, US	monthly rain	31.5 mm (1.2 in)	2.3 mm (0.09 in)	39 years	28 of 100 (Routine)
5 September 1940	Bathurst Gaol, AU	daily low min	-3.9 C (25.0 F)	0.1 C (0.2 F)	63 years	27 of 100 (Routine)
5 September 1940	Cape Otway Lighthouse, AU	daily high min	15.0 C (59.0 F)	2.2 C (4.0 F)	38 years	27 of 100 (Routine)
5 September 1940	Dauphin, CA	monthly high min	20.6 C (69.1 F)	2.3 C (4.1 F)	21 years	26 of 100 (Routine)
5 September 1940	Upper Shillong, IN	daily rain	84.1 mm (3.3 in)	39.4 mm (1.6 in)	13 years	26 of 100 (Routine)
5 September 1940	Neosho Rapids, US	monthly rain	142.2 mm (5.6 in)	17.7 mm (0.7 in)	13 years	26 of 100 (Routine)
5 September 1940	Jowai, IN	daily rain	141.0 mm (5.6 in)	64.3 mm (2.5 in)	8 years	25 of 100 (Routine)
5 September 1940	Ufa, RU	monthly high min	18.7 C (65.7 F)	0.5 C (0.9 F)	36 years	25 of 100 (Routine)
5 September 1940	Saskatoon Diefenbaker Int'l A, CA	monthly high min	15.6 C (60.1 F)	0.6 C (1.1 F)	31 years	24 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

1802 to 1940

Records set or tied on this calendar date in each year from 1802 to 1940. 1940 had 249 records.

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

Records on 09-05 in each year
Year	Records
1802	2
1814	1
1833	1
1837	1
1843	1
1845	1
1846	1
1856	1
1859	2
1861	2
1866	1
1868	1
1869	2
1871	1
1872	1
1874	1
1876	1
1880	2
1883	2
1885	1
1887	1
1888	1
1889	1
1891	2
1892	3
1894	1
1895	4
1896	2
1897	7
1898	7
1899	2
1900	1
1901	4
1902	10
1903	14
1904	2
1905	17
1906	8
1907	11
1908	28
1909	16
1910	35
1911	23
1912	39
1913	24
1914	10
1915	27
1916	22
1917	28
1918	109
1919	60
1920	47
1921	82
1922	96
1923	204
1924	191
1925	298
1926	243
1927	71
1928	306
1929	371
1930	94
1931	381
1932	315
1933	361
1934	399
1935	432
1936	313
1937	291
1938	244
1939	317
1940	249
1941	470
1942	282
1943	593
1944	387
1945	447
1946	367
1947	557
1948	458
1949	421
1950	559
1951	251
1952	396
1953	728
1954	593
1955	517
1956	637
1957	323
1958	413
1959	367
1960	351
1961	727
1962	922
1963	554
1964	315
1965	899
1966	335
1967	1,092
1968	524
1969	556
1970	754
1971	736
1972	653
1973	669
1974	1,902
1975	388
1976	636
1977	344
1978	1,376
1979	611
1980	357
1981	448
1982	615
1983	1,181
1984	1,185
1985	1,231
1986	711
1987	618
1988	1,309
1989	522
1990	806
1991	598
1992	1,116
1993	635
1994	901
1995	1,168
1996	773
1997	1,460
1998	1,686
1999	1,215
2000	1,342
2001	626
2002	710
2003	860
2004	1,135
2005	502
2006	1,014
2007	1,344
2008	1,486
2009	765
2010	1,316
2011	1,186
2012	1,115
2013	798
2014	462
2015	846
2016	651
2017	778
2018	861
2019	724
2020	1,250
2021	424
2022	1,168
2023	1,166
2024	1,320
2025	695
2026	835

Download the Data

Data for records on 1940-09-05: 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 10	168
10 to 20	23
20 to 30	5
30 to 40	3
40 to 50	1
50 to 60	2
60 to 70	3