Weather Records on 18 September 1947

927 weather records were set or tied worldwide on 18 September 1947. Highest significance: Kissimmee, US.

Key Facts for 18 September 1947

On 18 September 1947, 927 weather records were set or tied at long-record stations worldwide.
392 were record highs and 304 were record lows, counting maximum and minimum temperature.
By timescale, 3 were all-time records, 27 monthly and 897 daily.
Kissimmee set a daily record precipitation of 131.8 mm (5.2 in) on 18 September 1947.
Across 163 earlier years (1803 to 2026) the same calendar date averaged 418 records.

Record Map

927 stations

927 station records on 18 September 1947 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 September 1947: highest significance records shown on the map
Station	Country	Type	Value	Significance
Kissimmee	United States	Record daily precipitation	131.8 mm (5.2 in)	57 of 100 (Notable)
Nandikottur	India	Record daily precipitation	131.3 mm (5.2 in)	55 of 100 (Notable)
Avon Park 2 W	United States	Record daily precipitation	128.8 mm (5.1 in)	54 of 100 (Notable)
Saint Leo	United States	Record daily precipitation	116.3 mm (4.6 in)	54 of 100 (Notable)
Malad	United States	Record daily precipitation	71.9 mm (2.8 in)	54 of 100 (Notable)
Fort Good Hope 2	Canada	Record daily precipitation	26.2 mm (1.0 in)	53 of 100 (Notable)
Bartow 1SE	United States	Record daily precipitation	157.7 mm (6.2 in)	52 of 100 (Notable)
Fort Macleod	Canada	Record daily precipitation	47.8 mm (1.9 in)	48 of 100 (Notable)
Gooty	India	Record daily precipitation	130.3 mm (5.1 in)	48 of 100 (Notable)
Kokshetay	Kazakhstan	Record daily precipitation	26.9 mm (1.1 in)	48 of 100 (Notable)
Alpine	United States	Record daily precipitation	52.3 mm (2.1 in)	47 of 100 (Notable)
Logan Utah St UNIV	United States	Record daily precipitation	44.5 mm (1.8 in)	47 of 100 (Notable)
Conrad	United States	Record daily precipitation	26.9 mm (1.1 in)	46 of 100 (Notable)
Tooele	United States	Record daily precipitation	37.1 mm (1.5 in)	46 of 100 (Notable)
Caldwell	Canada	Record daily snowfall	50.8 cm (20.0 in)	44 of 100 (Notable)
Blackfoot Fire Dept	United States	Record daily precipitation	31.0 mm (1.2 in)	44 of 100 (Notable)
Haileybury	Canada	Record daily precipitation	35.6 mm (1.4 in)	43 of 100 (Notable)
Glenmorgan	India	Record daily precipitation	56.9 mm (2.2 in)	41 of 100 (Notable)
Choteau	United States	Record daily snowfall	10.2 cm (4.0 in)	41 of 100 (Notable)
Lake Yellowstone	United States	Record daily precipitation	25.7 mm (1.0 in)	41 of 100 (Notable)
Brooksville Chin Hill	United States	Record daily precipitation	175.0 mm (6.9 in)	39 of 100 (Notable)
Adel	United States	Record daily snowfall	12.7 cm (5.0 in)	39 of 100 (Notable)
Coonamble (Pier Pier)	Australia	Record daily precipitation	27.9 mm (1.1 in)	38 of 100 (Notable)
High River	Canada	Record daily snowfall	10.7 cm (4.2 in)	38 of 100 (Notable)
Lethbridge Cda	Canada	Record daily snowfall	33.5 cm (13.2 in)	37 of 100 (Notable)
Lundbreck	Canada	Record daily snowfall	22.9 cm (9.0 in)	37 of 100 (Notable)
Copper	United States	Record daily snowfall	8.1 cm (3.2 in)	37 of 100 (Notable)
Corinne	United States	Record daily precipitation	50.8 mm (2.0 in)	37 of 100 (Notable)
Giddalore	India	Record daily precipitation	65.5 mm (2.6 in)	36 of 100 (Notable)
Fruita	United States	Record high minimum temperature	22.2 C (72.0 F)	36 of 100 (Notable)
Ft Pierce	United States	Record daily precipitation	151.1 mm (5.9 in)	36 of 100 (Notable)
Sugar City	United States	Record daily precipitation	36.8 mm (1.4 in)	36 of 100 (Notable)
Turbine	Canada	Record daily precipitation	66.3 mm (2.6 in)	35 of 100 (Notable)
Berlin-Dahlem	Germany	Record high minimum temperature	17.0 C (62.6 F)	35 of 100 (Notable)
Gajapathinagaram	India	Record daily precipitation	98.8 mm (3.9 in)	35 of 100 (Notable)
Lyndon	Canada	Record daily snowfall	14.0 cm (5.5 in)	34 of 100 (Routine)
Peapalli(Pyapali)	India	Record daily precipitation	82.6 mm (3.3 in)	34 of 100 (Routine)
Narsipatnam	India	Record daily precipitation	100.3 mm (3.9 in)	34 of 100 (Routine)
Claresholm Meadow Creek	Canada	Record daily snowfall	10.2 cm (4.0 in)	33 of 100 (Routine)
Norris Madison Pwr House	United States	Record daily snowfall	8.9 cm (3.5 in)	33 of 100 (Routine)
Norris Madison Pwr House	United States	Record snow depth	17.8 cm (7.0 in)	33 of 100 (Routine)
Caldwell	Canada	Record daily precipitation	50.8 mm (2.0 in)	32 of 100 (Routine)
Weissenburg	Germany	Record high maximum temperature	31.8 C (89.2 F)	32 of 100 (Routine)
Yadki	India	Record daily precipitation	76.2 mm (3.0 in)	32 of 100 (Routine)
Owk	India	Record daily precipitation	102.9 mm (4.1 in)	32 of 100 (Routine)
Mundargi	India	Record daily precipitation	67.6 mm (2.7 in)	32 of 100 (Routine)
St Petersburg	United States	Record daily precipitation	92.7 mm (3.6 in)	32 of 100 (Routine)
Government Creek	United States	Record daily precipitation	28.7 mm (1.1 in)	32 of 100 (Routine)
Richmond	United States	Record daily precipitation	46.7 mm (1.8 in)	32 of 100 (Routine)
Quatsino	Canada	Record low maximum temperature	7.8 C (46.0 F)	31 of 100 (Routine)
Lethbridge Cda	Canada	Record daily precipitation	33.5 mm (1.3 in)	31 of 100 (Routine)
Bradenton Exp STN	United States	Record daily precipitation	94.0 mm (3.7 in)	31 of 100 (Routine)
Pleasant Valley	United States	Record daily snowfall	7.6 cm (3.0 in)	31 of 100 (Routine)
Valier	United States	Record daily precipitation	25.9 mm (1.0 in)	31 of 100 (Routine)
Strathmore	Canada	Record daily precipitation	40.6 mm (1.6 in)	30 of 100 (Routine)
Beaver Mines	Canada	Record daily snowfall	61.0 cm (24.0 in)	30 of 100 (Routine)
Regensburg	Germany	Record high maximum temperature	30.3 C (86.5 F)	30 of 100 (Routine)
Ramdurg	India	Record daily precipitation	134.4 mm (5.3 in)	30 of 100 (Routine)
Madhugiri	India	Record daily precipitation	71.1 mm (2.8 in)	30 of 100 (Routine)
Kremsmuenster	Austria	Record high maximum temperature	27.1 C (80.8 F)	29 of 100 (Routine)

Counts by Type and Timescale

927 records

Records set or tied on 18 September 1947 by type: Highest daily maximum 170, Lowest daily maximum 223, Highest daily minimum 222, Lowest daily minimum 81, Heaviest daily rainfall 202, Heaviest daily snowfall 27, Deepest snow cover 2.

Records on 18 September 1947 by type
Record type	Records
Highest daily maximum	170
Lowest daily maximum	223
Highest daily minimum	222
Lowest daily minimum	81
Heaviest daily rainfall	202
Heaviest daily snowfall	27
Deepest snow cover	2

Records on 18 September 1947 by timescale: all-time 3, monthly 27, daily 897.

How Much Records Were Beaten By

748 broken records

Margins by which the 748 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 432.0. Ties are not counted.

Top 20 by Significance

18 September 1947

Top 20 records on 18 September 1947 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 September 1947	Kissimmee, US	daily rain	131.8 mm (5.2 in)	101.3 mm (4.0 in)	40 years	57 of 100 (Notable)
18 September 1947	Nandikottur, IN	daily rain	131.3 mm (5.2 in)	69.1 mm (2.7 in)	36 years	55 of 100 (Notable)
18 September 1947	Avon Park 2 W, US	daily rain	128.8 mm (5.1 in)	71.4 mm (2.8 in)	30 years	54 of 100 (Notable)
18 September 1947	Saint Leo, US	daily rain	116.3 mm (4.6 in)	78.5 mm (3.1 in)	30 years	54 of 100 (Notable)
18 September 1947	Malad, US	all-time rain	71.9 mm (2.8 in)	14.7 mm (0.6 in)	33 years	54 of 100 (Notable)
18 September 1947	Fort Good Hope 2, CA	daily rain	26.2 mm (1.0 in)	16.8 mm (0.7 in)	26 years	53 of 100 (Notable)
18 September 1947	Bartow 1SE, US	daily rain	157.7 mm (6.2 in)	84.5 mm (3.3 in)	24 years	52 of 100 (Notable)
18 September 1947	Fort Macleod, CA	daily rain	47.8 mm (1.9 in)	38.1 mm (1.5 in)	4 years	48 of 100 (Notable)
18 September 1947	Gooty, IN	daily rain	130.3 mm (5.1 in)	81.8 mm (3.2 in)	16 years	48 of 100 (Notable)
18 September 1947	Kokshetay, KZ	daily rain	26.9 mm (1.1 in)	17.9 mm (0.7 in)	28 years	48 of 100 (Notable)
18 September 1947	Alpine, US	daily rain	52.3 mm (2.1 in)	39.9 mm (1.6 in)	10 years	47 of 100 (Notable)
18 September 1947	Logan Utah St UNIV, US	daily rain	44.5 mm (1.8 in)	35.4 mm (1.4 in)	6 years	47 of 100 (Notable)
18 September 1947	Conrad, US	daily rain	26.9 mm (1.1 in)	22.3 mm (0.9 in)	34 years	46 of 100 (Notable)
18 September 1947	Tooele, US	daily rain	37.1 mm (1.5 in)	26.4 mm (1.0 in)	21 years	46 of 100 (Notable)
18 September 1947	Caldwell, CA	daily snowfall	50.8 cm (20.0 in)	43.2 cm (17.0 in)	4 years	44 of 100 (Notable)
18 September 1947	Blackfoot Fire Dept, US	daily rain	31.0 mm (1.2 in)	22.1 mm (0.9 in)	1 year	44 of 100 (Notable)
18 September 1947	Haileybury, CA	daily rain	35.6 mm (1.4 in)	21.4 mm (0.8 in)	49 years	43 of 100 (Notable)
18 September 1947	Glenmorgan, IN	daily rain	56.9 mm (2.2 in)	36.3 mm (1.4 in)	21 years	41 of 100 (Notable)
18 September 1947	Choteau, US	daily snowfall	10.2 cm (4.0 in)	10.2 cm (4.0 in)	53 years	41 of 100 (Notable)
18 September 1947	Lake Yellowstone, US	daily rain	25.7 mm (1.0 in)	19.9 mm (0.8 in)	1 year	41 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

1803 to 1947

Records set or tied on this calendar date in each year from 1803 to 1947. 1947 had 927 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 1947-09-18: 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 100	735
100 to 200	11
200 to 300	1
300 to 400	0
400 to 500	1