Weather Records on 19 September 1948

457 weather records were set or tied worldwide on 19 September 1948. Highest significance: Dunedin, ZA.

Key Facts for 19 September 1948

On 19 September 1948, 457 weather records were set or tied at long-record stations worldwide.
327 were record highs and 23 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 7 monthly and 450 daily.
Dunedin set a monthly record daily precipitation of 35.8 mm (1.4 in) on 19 September 1948.
Across 166 earlier years (1805 to 2026) the same calendar date averaged 414 records.

Record Map

457 stations

457 station records on 19 September 1948 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 19 September 1948: highest significance records shown on the map
Station	Country	Type	Value	Significance
Dunedin	South Africa	Record daily precipitation	35.8 mm (1.4 in)	52 of 100 (Notable)
Mc Connellsville Lk 7	United States	Record daily precipitation	90.9 mm (3.6 in)	43 of 100 (Notable)
Georgetown	Canada	Record daily precipitation	28.4 mm (1.1 in)	40 of 100 (Notable)
Cadiz	United States	Record daily precipitation	72.6 mm (2.9 in)	35 of 100 (Notable)
Hollister	United States	Record daily precipitation	29.0 mm (1.1 in)	33 of 100 (Routine)
St Catharines	Canada	Record daily precipitation	33.8 mm (1.3 in)	30 of 100 (Routine)
Cuyamaca	United States	Record low minimum temperature	-0.6 C (30.9 F)	30 of 100 (Routine)
Alton	Canada	Record high minimum temperature	18.9 C (66.0 F)	29 of 100 (Routine)
Woodstock	Canada	Record high minimum temperature	18.3 C (64.9 F)	28 of 100 (Routine)
Jaggiayapet	India	Record daily precipitation	127.0 mm (5.0 in)	27 of 100 (Routine)
Ashton 1N	United States	Record daily precipitation	32.0 mm (1.3 in)	27 of 100 (Routine)
Mannington 1 N	United States	Record daily precipitation	43.2 mm (1.7 in)	27 of 100 (Routine)
Fort Macleod	Canada	Record high minimum temperature	12.2 C (54.0 F)	26 of 100 (Routine)
Bhimavaram	India	Record daily precipitation	67.1 mm (2.6 in)	26 of 100 (Routine)
S Haven	United States	Record high minimum temperature	21.1 C (70.0 F)	25 of 100 (Routine)
Bennington 2 NNW	United States	Record daily precipitation	35.6 mm (1.4 in)	25 of 100 (Routine)
Pelee Island	Canada	Record high minimum temperature	22.8 C (73.0 F)	24 of 100 (Routine)
Troicko-Pecherskoe	Russia	Record high minimum temperature	10.7 C (51.3 F)	24 of 100 (Routine)
Manistee 3SE	United States	Record high maximum temperature	30.0 C (86.0 F)	24 of 100 (Routine)
State College	United States	Record high minimum temperature	18.3 C (64.9 F)	24 of 100 (Routine)
Haiku 490	United States	Record low minimum temperature	15.6 C (60.1 F)	24 of 100 (Routine)
Cairns Post Office	Australia	Record low minimum temperature	12.7 C (54.9 F)	23 of 100 (Routine)
Kolosib	India	Record daily precipitation	113.0 mm (4.4 in)	23 of 100 (Routine)
Syktyvkar	Russia	Record high minimum temperature	11.3 C (52.3 F)	23 of 100 (Routine)
Westcliffe	United States	Record high minimum temperature	12.8 C (55.0 F)	23 of 100 (Routine)
Fairmont	United States	Record daily precipitation	35.6 mm (1.4 in)	23 of 100 (Routine)
Dubuque River	United States	Record high maximum temperature	34.4 C (93.9 F)	23 of 100 (Routine)
Khairagarh	India	Record daily precipitation	47.8 mm (1.9 in)	22 of 100 (Routine)
Decorah	United States	Record high maximum temperature	35.6 C (96.1 F)	22 of 100 (Routine)
Mason City	United States	Record high maximum temperature	35.6 C (96.1 F)	22 of 100 (Routine)
Findlay Wpcc	United States	Record high maximum temperature	36.1 C (97.0 F)	22 of 100 (Routine)
Springerville	United States	Record high minimum temperature	16.7 C (62.1 F)	21 of 100 (Routine)
Longmont 2 ESE	United States	Record high minimum temperature	14.4 C (57.9 F)	21 of 100 (Routine)
Shoshone 1 WNW	United States	Record daily precipitation	33.3 mm (1.3 in)	21 of 100 (Routine)
Sycamore	United States	Record high minimum temperature	20.0 C (68.0 F)	21 of 100 (Routine)
Alta	United States	Record high maximum temperature	36.1 C (97.0 F)	21 of 100 (Routine)
Elkader 6 SSW	United States	Record high maximum temperature	35.6 C (96.1 F)	21 of 100 (Routine)
Albert Lea 3SE	United States	Record high maximum temperature	35.6 C (96.1 F)	21 of 100 (Routine)
Unionville	United States	Record high maximum temperature	35.6 C (96.1 F)	21 of 100 (Routine)
Millport 4 NE	United States	Record daily precipitation	29.2 mm (1.1 in)	21 of 100 (Routine)
Claysville 3 W	United States	Record daily precipitation	52.8 mm (2.1 in)	21 of 100 (Routine)
Gettysburg	United States	Record high minimum temperature	20.6 C (69.1 F)	21 of 100 (Routine)
Wellsburg Wtr Trmt Pl	United States	Record daily precipitation	31.0 mm (1.2 in)	21 of 100 (Routine)
Kursk	Russia	Record daily precipitation	19.2 mm (0.8 in)	20 of 100 (Routine)
Clark 4 SW	United States	Record daily precipitation	18.0 mm (0.7 in)	20 of 100 (Routine)
Tallinn	Estonia	Record daily precipitation	24.6 mm (1.0 in)	20 of 100 (Routine)
Cody	United States	Record daily precipitation	20.1 mm (0.8 in)	20 of 100 (Routine)
Dawson	Canada	Record daily snowfall	4.8 cm (1.9 in)	20 of 100 (Routine)
Boolardy	Australia	Record daily precipitation	7.9 mm (0.31 in)	20 of 100 (Routine)
Vytegra	Russia	Record daily precipitation	13.2 mm (0.5 in)	20 of 100 (Routine)
Luna Rs	United States	Record daily precipitation	12.4 mm (0.5 in)	20 of 100 (Routine)
Manti	United States	Record daily precipitation	3.6 mm (0.14 in)	20 of 100 (Routine)
Holly	United States	Record daily precipitation	8.9 mm (0.35 in)	20 of 100 (Routine)
Nikolskoye/Beringa Ostrov	Russia	Record daily precipitation	12.8 mm (0.5 in)	20 of 100 (Routine)
Beloit	United States	Record daily precipitation	23.4 mm (0.9 in)	20 of 100 (Routine)
Coshocton Wpc Plt	United States	Record daily precipitation	24.9 mm (1.0 in)	20 of 100 (Routine)
Hardy Rs	United States	Record daily precipitation	13.2 mm (0.5 in)	20 of 100 (Routine)
Brantford	Canada	Record daily precipitation	21.8 mm (0.9 in)	20 of 100 (Routine)
Oakley	United States	Record daily precipitation	16.8 mm (0.7 in)	20 of 100 (Routine)
Val (Sar)	South Africa	Record daily precipitation	20.1 mm (0.8 in)	20 of 100 (Routine)

Counts by Type and Timescale

457 records

Records set or tied on 19 September 1948 by type: Highest daily maximum 176, Lowest daily maximum 12, Highest daily minimum 151, Lowest daily minimum 11, Heaviest daily rainfall 106, Heaviest daily snowfall 1.

Records on 19 September 1948 by type
Record type	Records
Highest daily maximum	176
Lowest daily maximum	12
Highest daily minimum	151
Lowest daily minimum	11
Heaviest daily rainfall	106
Heaviest daily snowfall	1
Deepest snow cover	0

Records on 19 September 1948 by timescale: all-time 0, monthly 7, daily 450.

How Much Records Were Beaten By

317 broken records

Margins by which the 317 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 48.0. Ties are not counted.

Top 20 by Significance

19 September 1948

Top 20 records on 19 September 1948 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
19 September 1948	Dunedin, ZA	monthly rain	35.8 mm (1.4 in)	14.0 mm (0.6 in)	38 years	52 of 100 (Notable)
19 September 1948	Mc Connellsville Lk 7, US	monthly rain	90.9 mm (3.6 in)	22.6 mm (0.9 in)	26 years	43 of 100 (Notable)
19 September 1948	Georgetown, CA	daily rain	28.4 mm (1.1 in)	13.7 mm (0.5 in)	61 years	40 of 100 (Notable)
19 September 1948	Cadiz, US	daily rain	72.6 mm (2.9 in)	35.0 mm (1.4 in)	10 years	35 of 100 (Notable)
19 September 1948	Hollister, US	monthly rain	29.0 mm (1.1 in)	5.6 mm (0.22 in)	32 years	33 of 100 (Routine)
19 September 1948	St Catharines, CA	daily rain	33.8 mm (1.3 in)	20.1 mm (0.8 in)	16 years	30 of 100 (Routine)
19 September 1948	Cuyamaca, US	monthly low min	-0.6 C (30.9 F)	0.6 C (1.1 F)	49 years	30 of 100 (Routine)
19 September 1948	Alton, CA	daily high min	18.9 C (66.0 F)	3.9 C (7.0 F)	54 years	29 of 100 (Routine)
19 September 1948	Woodstock, CA	daily high min	18.3 C (64.9 F)	1.1 C (2.0 F)	65 years	28 of 100 (Routine)
19 September 1948	Jaggiayapet, IN	monthly rain	127.0 mm (5.0 in)	12.2 mm (0.5 in)	24 years	27 of 100 (Routine)
19 September 1948	Ashton 1N, US	daily rain	32.0 mm (1.3 in)	13.7 mm (0.5 in)	8 years	27 of 100 (Routine)
19 September 1948	Mannington 1 N, US	daily rain	43.2 mm (1.7 in)	16.0 mm (0.6 in)	36 years	27 of 100 (Routine)
19 September 1948	Fort Macleod, CA	daily high min	12.2 C (54.0 F)	0.5 C (0.9 F)	62 years	26 of 100 (Routine)
19 September 1948	Bhimavaram, IN	daily rain	67.1 mm (2.6 in)	28.5 mm (1.1 in)	21 years	26 of 100 (Routine)
19 September 1948	S Haven, US	daily high min	21.1 C (70.0 F)	2.8 C (5.0 F)	52 years	25 of 100 (Routine)
19 September 1948	Bennington 2 NNW, US	daily rain	35.6 mm (1.4 in)	19.9 mm (0.8 in)	20 years	25 of 100 (Routine)
19 September 1948	Pelee Island, CA	daily high min	22.8 C (73.0 F)	0.6 C (1.1 F)	56 years	24 of 100 (Routine)
19 September 1948	Troicko-Pecherskoe, RU	daily high min	10.7 C (51.3 F)	1.9 C (3.4 F)	47 years	24 of 100 (Routine)
19 September 1948	Manistee 3SE, US	daily high max	30.0 C (86.0 F)	0.6 C (1.1 F)	56 years	24 of 100 (Routine)
19 September 1948	State College, US	daily high min	18.3 C (64.9 F)	0.5 C (0.9 F)	56 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

1805 to 1948

Records set or tied on this calendar date in each year from 1805 to 1948. 1948 had 457 records.

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

Records on 09-19 in each year
Year	Records
1805	1
1818	1
1820	1
1825	1
1830	1
1833	1
1834	1
1837	1
1847	1
1848	1
1849	3
1851	2
1854	1
1855	1
1856	1
1859	1
1862	1
1865	2
1866	1
1869	1
1872	1
1874	1
1875	3
1877	2
1881	2
1882	4
1884	2
1885	1
1886	3
1887	2
1888	1
1889	7
1890	1
1893	3
1894	2
1895	5
1896	2
1897	4
1898	2
1899	2
1900	2
1901	17
1902	6
1903	16
1904	9
1905	18
1906	33
1907	9
1908	5
1909	16
1910	16
1911	4
1912	39
1913	200
1914	48
1915	174
1916	38
1917	134
1918	62
1919	52
1920	53
1921	109
1922	81
1923	83
1924	90
1925	356
1926	171
1927	152
1928	211
1929	435
1930	154
1931	400
1932	292
1933	343
1934	171
1935	240
1936	152
1937	331
1938	519
1939	292
1940	459
1941	430
1942	830
1943	540
1944	406
1945	417
1946	802
1947	694
1948	457
1949	303
1950	474
1951	240
1952	545
1953	467
1954	557
1955	578
1956	661
1957	638
1958	354
1959	774
1960	344
1961	445
1962	387
1963	403
1964	350
1965	1,080
1966	529
1967	417
1968	433
1969	493
1970	437
1971	1,127
1972	629
1973	438
1974	637
1975	570
1976	390
1977	719
1978	1,139
1979	727
1980	591
1981	1,462
1982	594
1983	1,630
1984	970
1985	926
1986	737
1987	1,113
1988	973
1989	911
1990	874
1991	2,027
1992	752
1993	885
1994	736
1995	1,096
1996	1,069
1997	1,107
1998	1,039
1999	611
2000	947
2001	1,188
2002	866
2003	1,094
2004	964
2005	814
2006	851
2007	633
2008	647
2009	700
2010	1,414
2011	848
2012	775
2013	578
2014	715
2015	520
2016	999
2017	703
2018	871
2019	584
2020	668
2021	511
2022	666
2023	622
2024	707
2025	554
2026	711

Download the Data

Data for records on 1948-09-19: 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	290
10 to 20	20
20 to 30	4
30 to 40	1
40 to 50	2