Weather Records on 18 September 1942

1,001 weather records were set or tied worldwide on 18 September 1942. Highest significance: Laramie, US.

Key Facts for 18 September 1942

On 18 September 1942, 1,001 weather records were set or tied at long-record stations worldwide.
493 were record highs and 245 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 8 monthly and 993 daily.
Laramie set a daily record snowfall of 19.1 cm (7.5 in) on 18 September 1942.
Across 163 earlier years (1803 to 2026) the same calendar date averaged 418 records.

Record Map

1,001 stations

1,001 station records on 18 September 1942 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 September 1942: highest significance records shown on the map
Station	Country	Type	Value	Significance
Laramie	United States	Record daily snowfall	19.1 cm (7.5 in)	57 of 100 (Notable)
St Marys	United States	Record daily precipitation	69.3 mm (2.7 in)	51 of 100 (Notable)
Nurpur	India	Record daily precipitation	123.4 mm (4.9 in)	50 of 100 (Notable)
Garnett 1 E	United States	Record daily precipitation	59.4 mm (2.3 in)	46 of 100 (Notable)
Murdo	United States	Record daily precipitation	34.5 mm (1.4 in)	45 of 100 (Notable)
Owensboro 3ENE	United States	Record daily precipitation	52.3 mm (2.1 in)	38 of 100 (Notable)
New London	United States	Record daily precipitation	55.9 mm (2.2 in)	38 of 100 (Notable)
Claysville 3 W	United States	Record daily precipitation	54.9 mm (2.2 in)	37 of 100 (Notable)
Lucinda Township	Australia	Record daily precipitation	49.5 mm (1.9 in)	35 of 100 (Notable)
Mistassini Post	Canada	Record daily precipitation	33.0 mm (1.3 in)	35 of 100 (Notable)
Panskura	India	Record daily precipitation	80.3 mm (3.2 in)	35 of 100 (Notable)
Chatham	Canada	Record high maximum temperature	32.8 C (91.0 F)	34 of 100 (Routine)
Deerfield Dam	United States	Record daily snowfall	11.4 cm (4.5 in)	34 of 100 (Routine)
Rajahmundry	India	Record daily precipitation	73.7 mm (2.9 in)	33 of 100 (Routine)
Grove City	United States	Record daily precipitation	34.3 mm (1.4 in)	33 of 100 (Routine)
Rhinelander	United States	Record daily precipitation	56.9 mm (2.2 in)	33 of 100 (Routine)
Pembroke Eddy Match	Canada	Record high minimum temperature	16.7 C (62.1 F)	32 of 100 (Routine)
Hamilton	Canada	Record high minimum temperature	20.6 C (69.1 F)	32 of 100 (Routine)
Creston	United States	Record daily precipitation	31.8 mm (1.3 in)	32 of 100 (Routine)
Macknade Sugar Mill	Australia	Record daily precipitation	46.7 mm (1.8 in)	31 of 100 (Routine)
Brome	Canada	Record high maximum temperature	31.7 C (89.1 F)	31 of 100 (Routine)
Chicoutimi	Canada	Record high minimum temperature	18.3 C (64.9 F)	31 of 100 (Routine)
Vineland	United States	Record daily precipitation	53.3 mm (2.1 in)	31 of 100 (Routine)
Stratford	Canada	Record high minimum temperature	19.4 C (66.9 F)	30 of 100 (Routine)
Crow Agency	United States	Record low maximum temperature	8.3 C (46.9 F)	30 of 100 (Routine)
Red Lodge	United States	Record daily snowfall	7.6 cm (3.0 in)	30 of 100 (Routine)
Belvidere	United States	Record daily precipitation	56.9 mm (2.2 in)	30 of 100 (Routine)
Brantford	Canada	Record high minimum temperature	18.9 C (66.0 F)	29 of 100 (Routine)
Fredericton Unb	Canada	Record high maximum temperature	30.6 C (87.1 F)	29 of 100 (Routine)
Coeur D'Alene	United States	Record low minimum temperature	-2.2 C (28.0 F)	29 of 100 (Routine)
Earlington	United States	Record daily precipitation	32.8 mm (1.3 in)	29 of 100 (Routine)
Clinton	United States	Record daily precipitation	43.2 mm (1.7 in)	29 of 100 (Routine)
Snowville	United States	Record low maximum temperature	14.4 C (57.9 F)	29 of 100 (Routine)
Long Lake Dam	United States	Record daily precipitation	69.3 mm (2.7 in)	29 of 100 (Routine)
Atlantic City Marina	United States	Record high minimum temperature	21.7 C (71.1 F)	29 of 100 (Routine)
Escanaba	United States	Record daily precipitation	39.1 mm (1.5 in)	29 of 100 (Routine)
Collie	Australia	Record daily precipitation	30.0 mm (1.2 in)	28 of 100 (Routine)
Quebec	Canada	Record high maximum temperature	29.4 C (84.9 F)	28 of 100 (Routine)
Woodstock	Canada	Record high maximum temperature	32.2 C (90.0 F)	28 of 100 (Routine)
Greeley	United States	Record low maximum temperature	8.9 C (48.0 F)	28 of 100 (Routine)
Osage	United States	Record daily precipitation	55.9 mm (2.2 in)	28 of 100 (Routine)
Spearfish	United States	Record low maximum temperature	3.3 C (37.9 F)	28 of 100 (Routine)
Springfields	Australia	Record daily precipitation	29.0 mm (1.1 in)	27 of 100 (Routine)
Huntsville	Canada	Record high maximum temperature	28.9 C (84.0 F)	27 of 100 (Routine)
Quebec	Canada	Record high minimum temperature	20.0 C (68.0 F)	27 of 100 (Routine)
Kangra	India	Record daily precipitation	135.1 mm (5.3 in)	27 of 100 (Routine)
Houlton	United States	Record high maximum temperature	31.1 C (88.0 F)	27 of 100 (Routine)
Bethlehem	United States	Record high maximum temperature	30.0 C (86.0 F)	27 of 100 (Routine)
Ervay	United States	Record low maximum temperature	1.7 C (35.1 F)	27 of 100 (Routine)
Sherbrooke	Canada	Record high maximum temperature	31.1 C (88.0 F)	26 of 100 (Routine)
Bee Branch	United States	Record daily precipitation	31.8 mm (1.3 in)	26 of 100 (Routine)
Mason City	United States	Record daily precipitation	64.0 mm (2.5 in)	26 of 100 (Routine)
Chestnut Hill	United States	Record high minimum temperature	25.6 C (78.1 F)	26 of 100 (Routine)
Billings Wtp	United States	Record low maximum temperature	10.0 C (50.0 F)	26 of 100 (Routine)
Bridger 2 N	United States	Record low maximum temperature	9.4 C (48.9 F)	26 of 100 (Routine)
Busby	United States	Record low maximum temperature	6.7 C (44.1 F)	26 of 100 (Routine)
Artesia 6S	United States	Record daily precipitation	25.9 mm (1.0 in)	26 of 100 (Routine)
Quakertown	United States	Record high minimum temperature	20.0 C (68.0 F)	26 of 100 (Routine)
Enosburg Falls	United States	Record high maximum temperature	32.8 C (91.0 F)	26 of 100 (Routine)
Lennoxville	Canada	Record high maximum temperature	31.1 C (88.0 F)	25 of 100 (Routine)

Counts by Type and Timescale

1,001 records

Records set or tied on 18 September 1942 by type: Highest daily maximum 94, Lowest daily maximum 145, Highest daily minimum 399, Lowest daily minimum 100, Heaviest daily rainfall 251, Heaviest daily snowfall 11, Deepest snow cover 1.

Records on 18 September 1942 by type
Record type	Records
Highest daily maximum	94
Lowest daily maximum	145
Highest daily minimum	399
Lowest daily minimum	100
Heaviest daily rainfall	251
Heaviest daily snowfall	11
Deepest snow cover	1

Records on 18 September 1942 by timescale: all-time 0, monthly 8, daily 993.

How Much Records Were Beaten By

786 broken records

Margins by which the 786 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 191.0. Ties are not counted.

Top 20 by Significance

18 September 1942

Top 20 records on 18 September 1942 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 September 1942	Laramie, US	daily snowfall	19.1 cm (7.5 in)	19.1 cm (7.5 in)	47 years	57 of 100 (Notable)
18 September 1942	St Marys, US	daily rain	69.3 mm (2.7 in)	64.2 mm (2.5 in)	28 years	51 of 100 (Notable)
18 September 1942	Nurpur, IN	daily rain	123.4 mm (4.9 in)	95.2 mm (3.7 in)	28 years	50 of 100 (Notable)
18 September 1942	Garnett 1 E, US	daily rain	59.4 mm (2.3 in)	45.2 mm (1.8 in)	31 years	46 of 100 (Notable)
18 September 1942	Murdo, US	daily rain	34.5 mm (1.4 in)	34.5 mm (1.4 in)	32 years	45 of 100 (Notable)
18 September 1942	Owensboro 3ENE, US	daily rain	52.3 mm (2.1 in)	30.2 mm (1.2 in)	28 years	38 of 100 (Notable)
18 September 1942	New London, US	daily rain	55.9 mm (2.2 in)	38.1 mm (1.5 in)	16 years	38 of 100 (Notable)
18 September 1942	Claysville 3 W, US	daily rain	54.9 mm (2.2 in)	28.7 mm (1.1 in)	28 years	37 of 100 (Notable)
18 September 1942	Lucinda Township, AU	daily rain	49.5 mm (1.9 in)	34.8 mm (1.4 in)	23 years	35 of 100 (Notable)
18 September 1942	Mistassini Post, CA	daily rain	33.0 mm (1.3 in)	17.3 mm (0.7 in)	20 years	35 of 100 (Notable)
18 September 1942	Panskura, IN	daily rain	80.3 mm (3.2 in)	48.8 mm (1.9 in)	16 years	35 of 100 (Notable)
18 September 1942	Chatham, CA	daily high max	32.8 C (91.0 F)	5.6 C (10.1 F)	52 years	34 of 100 (Routine)
18 September 1942	Deerfield Dam, US	daily snowfall	11.4 cm (4.5 in)	11.4 cm (4.5 in)	32 years	34 of 100 (Routine)
18 September 1942	Rajahmundry, IN	daily rain	73.7 mm (2.9 in)	42.5 mm (1.7 in)	33 years	33 of 100 (Routine)
18 September 1942	Grove City, US	daily rain	34.3 mm (1.4 in)	25.4 mm (1.0 in)	29 years	33 of 100 (Routine)
18 September 1942	Rhinelander, US	daily rain	56.9 mm (2.2 in)	26.2 mm (1.0 in)	24 years	33 of 100 (Routine)
18 September 1942	Pembroke Eddy Match, CA	daily high min	16.7 C (62.1 F)	1.7 C (3.1 F)	74 years	32 of 100 (Routine)
18 September 1942	Hamilton, CA	daily high min	20.6 C (69.1 F)	1.7 C (3.1 F)	74 years	32 of 100 (Routine)
18 September 1942	Creston, US	daily rain	31.8 mm (1.3 in)	14.0 mm (0.6 in)	47 years	32 of 100 (Routine)
18 September 1942	Macknade Sugar Mill, AU	daily rain	46.7 mm (1.8 in)	31.5 mm (1.2 in)	23 years	31 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

1803 to 1942

Records set or tied on this calendar date in each year from 1803 to 1942. 1942 had 1,001 records.

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

Records on 09-18 in each year
Year	Records
1803	1
1811	1
1814	1
1819	1
1829	1
1832	1
1834	1
1835	1
1837	2
1847	2
1848	1
1849	1
1851	4
1859	1
1861	1
1865	1
1869	1
1871	1
1875	1
1876	2
1877	1
1879	1
1880	1
1881	1
1882	1
1885	1
1886	4
1889	6
1890	1
1891	1
1893	4
1894	2
1895	2
1896	4
1897	3
1898	5
1899	3
1900	2
1901	10
1902	8
1903	58
1904	6
1905	22
1906	16
1907	4
1908	11
1909	17
1910	5
1911	8
1912	43
1913	44
1914	56
1915	41
1916	58
1917	99
1918	57
1919	48
1920	56
1921	213
1922	45
1923	114
1924	62
1925	269
1926	205
1927	189
1928	114
1929	309
1930	124
1931	429
1932	226
1933	370
1934	188
1935	281
1936	155
1937	422
1938	373
1939	190
1940	402
1941	318
1942	1,001
1943	624
1944	503
1945	732
1946	576
1947	927
1948	427
1949	356
1950	370
1951	320
1952	340
1953	245
1954	446
1955	672
1956	587
1957	429
1958	491
1959	829
1960	351
1961	478
1962	360
1963	453
1964	282
1965	1,172
1966	498
1967	357
1968	763
1969	424
1970	377
1971	1,245
1972	691
1973	593
1974	559
1975	976
1976	615
1977	619
1978	1,162
1979	709
1980	652
1981	1,671
1982	603
1983	936
1984	951
1985	636
1986	730
1987	1,244
1988	997
1989	778
1990	904
1991	1,377
1992	821
1993	747
1994	852
1995	935
1996	1,237
1997	935
1998	1,038
1999	583
2000	1,146
2001	993
2002	828
2003	815
2004	1,027
2005	781
2006	1,309
2007	670
2008	697
2009	692
2010	1,040
2011	1,050
2012	922
2013	666
2014	682
2015	934
2016	893
2017	518
2018	1,200
2019	768
2020	682
2021	582
2022	613
2023	639
2024	687
2025	471
2026	864

Download the Data

Data for records on 1942-09-18: 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 25	752
25 to 50	26
50 to 75	4
75 to 100	2
100 to 125	1
125 to 150	0
150 to 175	0
175 to 200	1