Weather Records on 27 September 1948

405 weather records were set or tied worldwide on 27 September 1948. Highest significance: Byron Bay (Jacaranda Drive), AU.

Key Facts for 27 September 1948

On 27 September 1948, 405 weather records were set or tied at long-record stations worldwide.
96 were record highs and 117 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 20 monthly and 385 daily.
Byron Bay (Jacaranda Drive) set a daily record precipitation of 75.4 mm (3.0 in) on 27 September 1948.
Across 154 earlier years (1799 to 2026) the same calendar date averaged 451 records.

Record Map

405 stations

405 station records on 27 September 1948 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 27 September 1948: highest significance records shown on the map
Station	Country	Type	Value	Significance
Byron Bay (Jacaranda Drive)	Australia	Record daily precipitation	75.4 mm (3.0 in)	50 of 100 (Notable)
Haparanda	Sweden	Record daily precipitation	28.5 mm (1.1 in)	50 of 100 (Notable)
Wattlegrove	Australia	Record daily precipitation	42.4 mm (1.7 in)	47 of 100 (Notable)
Tobolsk	Russia	Record daily precipitation	29.7 mm (1.2 in)	47 of 100 (Notable)
Ballina (Crowley Village)	Australia	Record daily precipitation	90.2 mm (3.6 in)	42 of 100 (Notable)
Tweed Heads Golf Club	Australia	Record daily precipitation	94.0 mm (3.7 in)	41 of 100 (Notable)
Berry Brow	Australia	Record daily precipitation	25.1 mm (1.0 in)	39 of 100 (Notable)
Mooliabeenee Siding	Australia	Record daily precipitation	40.9 mm (1.6 in)	37 of 100 (Notable)
Bolgart	Australia	Record daily precipitation	25.4 mm (1.0 in)	36 of 100 (Notable)
Independence	United States	Record low minimum temperature	-1.1 C (30.0 F)	36 of 100 (Notable)
Pingelly	Australia	Record daily precipitation	32.0 mm (1.3 in)	35 of 100 (Notable)
Hobart (Waterworks Reserve)	Australia	Record daily precipitation	34.3 mm (1.4 in)	34 of 100 (Routine)
Lake Keechelus	United States	Record daily precipitation	29.7 mm (1.2 in)	32 of 100 (Routine)
Lakeside	United States	Record low maximum temperature	7.2 C (45.0 F)	31 of 100 (Routine)
Demagiri	India	Record daily precipitation	110.5 mm (4.4 in)	30 of 100 (Routine)
Olympia Priest Pt Park	United States	Record low maximum temperature	11.1 C (52.0 F)	30 of 100 (Routine)
Dwarka	India	Record daily precipitation	74.2 mm (2.9 in)	29 of 100 (Routine)
Portal	United States	Record high minimum temperature	13.3 C (55.9 F)	29 of 100 (Routine)
Everett	United States	Record low maximum temperature	10.0 C (50.0 F)	29 of 100 (Routine)
Haiku 490	United States	Record daily precipitation	36.3 mm (1.4 in)	29 of 100 (Routine)
Geeveston Police Station	Australia	Record daily precipitation	35.8 mm (1.4 in)	28 of 100 (Routine)
Madhipura	India	Record daily precipitation	105.4 mm (4.1 in)	28 of 100 (Routine)
Rahapur	India	Record daily precipitation	114.3 mm (4.5 in)	28 of 100 (Routine)
Lake Kachess	United States	Record daily precipitation	25.1 mm (1.0 in)	28 of 100 (Routine)
Pottangi	India	Record daily precipitation	90.9 mm (3.6 in)	27 of 100 (Routine)
Hamirpur	India	Record daily precipitation	58.4 mm (2.3 in)	27 of 100 (Routine)
Waterville	United States	Record low maximum temperature	6.1 C (43.0 F)	27 of 100 (Routine)
Risod	India	Record daily precipitation	38.1 mm (1.5 in)	26 of 100 (Routine)
Manassa	United States	Record high minimum temperature	8.9 C (48.0 F)	26 of 100 (Routine)
Plant City	United States	Record low maximum temperature	23.9 C (75.0 F)	26 of 100 (Routine)
St Petersburg	United States	Record low maximum temperature	25.0 C (77.0 F)	26 of 100 (Routine)
Osterley	Australia	Record daily precipitation	36.1 mm (1.4 in)	25 of 100 (Routine)
Nawadah	India	Record daily precipitation	37.3 mm (1.5 in)	25 of 100 (Routine)
Glennville Morrow Rch	United States	Record low minimum temperature	-0.6 C (30.9 F)	25 of 100 (Routine)
Dickinson Exp STN	United States	Record high minimum temperature	13.3 C (55.9 F)	25 of 100 (Routine)
Camp Crook	United States	Record high minimum temperature	13.3 C (55.9 F)	25 of 100 (Routine)
Mackay Post Office	Australia	Record high minimum temperature	23.9 C (75.0 F)	24 of 100 (Routine)
Mohiuddin Nagar	India	Record daily precipitation	53.8 mm (2.1 in)	24 of 100 (Routine)
Santa Barbara	United States	Record low minimum temperature	5.0 C (41.0 F)	24 of 100 (Routine)
Sonora	United States	Record low minimum temperature	2.2 C (36.0 F)	24 of 100 (Routine)
Albany 1 N	United States	Record low maximum temperature	11.7 C (53.1 F)	24 of 100 (Routine)
Kamsack	Canada	Record high minimum temperature	13.3 C (55.9 F)	23 of 100 (Routine)
Kapskarmo	Norway	Record daily precipitation	48.6 mm (1.9 in)	23 of 100 (Routine)
Cheesman	United States	Record high minimum temperature	11.1 C (52.0 F)	23 of 100 (Routine)
Bradenton Exp STN	United States	Record low maximum temperature	24.4 C (75.9 F)	23 of 100 (Routine)
Benton City 2 NW	United States	Record low maximum temperature	11.7 C (53.1 F)	23 of 100 (Routine)
Stockdill Rch	United States	Record low maximum temperature	9.4 C (48.9 F)	23 of 100 (Routine)
Kuringup	Australia	Record daily precipitation	36.1 mm (1.4 in)	22 of 100 (Routine)
Mullumbimby (Fairview Farm)	Australia	Record daily precipitation	43.9 mm (1.7 in)	22 of 100 (Routine)
Nalgonda	India	Record daily precipitation	90.4 mm (3.6 in)	22 of 100 (Routine)
Sirpur	India	Record daily precipitation	41.9 mm (1.6 in)	22 of 100 (Routine)
Akbarpur	India	Record daily precipitation	83.8 mm (3.3 in)	22 of 100 (Routine)
Pomona/Fairplex	United States	Record low minimum temperature	3.9 C (39.0 F)	22 of 100 (Routine)
Susanville 2SW	United States	Record low minimum temperature	-4.4 C (24.1 F)	22 of 100 (Routine)
Three Rivers Ed Ph 2	United States	Record low minimum temperature	3.3 C (37.9 F)	22 of 100 (Routine)
Upper Lake 2 N	United States	Record low maximum temperature	18.3 C (64.9 F)	22 of 100 (Routine)
Salida	United States	Record high minimum temperature	8.9 C (48.0 F)	22 of 100 (Routine)
Bottineau	United States	Record high minimum temperature	10.6 C (51.1 F)	22 of 100 (Routine)
Conconully	United States	Record low maximum temperature	8.3 C (46.9 F)	22 of 100 (Routine)
Moulyinning	Australia	Record daily precipitation	30.7 mm (1.2 in)	21 of 100 (Routine)

Counts by Type and Timescale

405 records

Records set or tied on 27 September 1948 by type: Highest daily maximum 20, Lowest daily maximum 84, Highest daily minimum 76, Lowest daily minimum 33, Heaviest daily rainfall 192.

Records on 27 September 1948 by type
Record type	Records
Highest daily maximum	20
Lowest daily maximum	84
Highest daily minimum	76
Lowest daily minimum	33
Heaviest daily rainfall	192
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 27 September 1948 by timescale: all-time 0, monthly 20, daily 385.

How Much Records Were Beaten By

337 broken records

Margins by which the 337 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 56.4. Ties are not counted.

Top 20 by Significance

27 September 1948

Top 20 records on 27 September 1948 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
27 September 1948	Byron Bay (Jacaranda Drive), AU	daily rain	75.4 mm (3.0 in)	45.2 mm (1.8 in)	45 years	50 of 100 (Notable)
27 September 1948	Haparanda, SE	daily rain	28.5 mm (1.1 in)	15.7 mm (0.6 in)	58 years	50 of 100 (Notable)
27 September 1948	Wattlegrove, AU	daily rain	42.4 mm (1.7 in)	27.9 mm (1.1 in)	22 years	47 of 100 (Notable)
27 September 1948	Tobolsk, RU	daily rain	29.7 mm (1.2 in)	23.4 mm (0.9 in)	6 years	47 of 100 (Notable)
27 September 1948	Ballina (Crowley Village), AU	daily rain	90.2 mm (3.6 in)	53.6 mm (2.1 in)	13 years	42 of 100 (Notable)
27 September 1948	Tweed Heads Golf Club, AU	monthly rain	94.0 mm (3.7 in)	14.5 mm (0.6 in)	49 years	41 of 100 (Notable)
27 September 1948	Berry Brow, AU	daily rain	25.1 mm (1.0 in)	14.9 mm (0.6 in)	39 years	39 of 100 (Notable)
27 September 1948	Mooliabeenee Siding, AU	daily rain	40.9 mm (1.6 in)	19.8 mm (0.8 in)	22 years	37 of 100 (Notable)
27 September 1948	Bolgart, AU	daily rain	25.4 mm (1.0 in)	12.7 mm (0.5 in)	22 years	36 of 100 (Notable)
27 September 1948	Independence, US	monthly low min	-1.1 C (30.0 F)	2.2 C (4.0 F)	53 years	36 of 100 (Notable)
27 September 1948	Pingelly, AU	monthly rain	32.0 mm (1.3 in)	5.3 mm (0.21 in)	30 years	35 of 100 (Notable)
27 September 1948	Hobart (Waterworks Reserve), AU	daily rain	34.3 mm (1.4 in)	10.4 mm (0.4 in)	38 years	34 of 100 (Routine)
27 September 1948	Lake Keechelus, US	daily rain	29.7 mm (1.2 in)	18.3 mm (0.7 in)	26 years	32 of 100 (Routine)
27 September 1948	Lakeside, US	monthly low max	7.2 C (45.0 F)	2.8 C (5.0 F)	34 years	31 of 100 (Routine)
27 September 1948	Demagiri, IN	daily rain	110.5 mm (4.4 in)	31.5 mm (1.2 in)	42 years	30 of 100 (Routine)
27 September 1948	Olympia Priest Pt Park, US	daily low max	11.1 C (52.0 F)	1.1 C (2.0 F)	70 years	30 of 100 (Routine)
27 September 1948	Dwarka, IN	daily rain	74.2 mm (2.9 in)	56.4 mm (2.2 in)	21 years	29 of 100 (Routine)
27 September 1948	Portal, US	daily high min	13.3 C (55.9 F)	4.4 C (7.9 F)	50 years	29 of 100 (Routine)
27 September 1948	Everett, US	monthly low max	10.0 C (50.0 F)	1.7 C (3.1 F)	28 years	29 of 100 (Routine)
27 September 1948	Haiku 490, US	daily rain	36.3 mm (1.4 in)	13.4 mm (0.5 in)	24 years	29 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

1799 to 1948

Records set or tied on this calendar date in each year from 1799 to 1948. 1948 had 405 records.

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

Records on 09-27 in each year
Year	Records
1799	1
1828	1
1836	2
1847	1
1851	1
1854	2
1855	2
1859	2
1866	2
1867	3
1874	1
1875	1
1877	2
1880	1
1881	4
1882	1
1885	5
1887	1
1890	3
1891	1
1892	1
1893	1
1894	5
1895	6
1896	1
1897	2
1898	4
1899	1
1900	5
1901	3
1902	12
1903	7
1904	12
1905	21
1906	21
1907	9
1908	36
1909	17
1910	20
1911	31
1912	25
1913	27
1914	24
1915	80
1916	57
1917	41
1918	58
1919	45
1920	54
1921	26
1922	111
1923	125
1924	115
1925	129
1926	581
1927	244
1928	288
1929	225
1930	178
1931	222
1932	194
1933	559
1934	298
1935	319
1936	435
1937	309
1938	366
1939	572
1940	706
1941	257
1942	1,353
1943	503
1944	323
1945	475
1946	387
1947	813
1948	405
1949	407
1950	223
1951	480
1952	539
1953	567
1954	507
1955	386
1956	825
1957	644
1958	585
1959	582
1960	337
1961	376
1962	352
1963	849
1964	724
1965	688
1966	426
1967	502
1968	286
1969	233
1970	773
1971	762
1972	989
1973	1,031
1974	408
1975	790
1976	905
1977	852
1978	773
1979	741
1980	559
1981	680
1982	1,076
1983	791
1984	1,297
1985	661
1986	1,772
1987	1,013
1988	494
1989	852
1990	379
1991	894
1992	659
1993	727
1994	764
1995	698
1996	1,468
1997	730
1998	1,774
1999	1,059
2000	1,031
2001	980
2002	992
2003	830
2004	665
2005	1,061
2006	596
2007	1,091
2008	659
2009	987
2010	1,153
2011	965
2012	624
2013	823
2014	813
2015	664
2016	600
2017	891
2018	600
2019	755
2020	659
2021	893
2022	642
2023	747
2024	1,449
2025	272
2026	358

Download the Data

Data for records on 1948-09-27: 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	285
10 to 20	34
20 to 30	8
30 to 40	3
40 to 50	4
50 to 60	3