Weather Records on 21 October 1948

266 weather records were set or tied worldwide on 21 October 1948. Highest significance: Vertentes, BR.

Key Facts for 21 October 1948

On 21 October 1948, 266 weather records were set or tied at long-record stations worldwide.
41 were record highs and 117 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 4 monthly and 262 daily.
Vertentes set a daily record precipitation of 32.9 mm (1.3 in) on 21 October 1948.
Across 167 earlier years (1795 to 2025) the same calendar date averaged 421 records.

Record Map

266 stations

266 station records on 21 October 1948 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 October 1948: highest significance records shown on the map
Station	Country	Type	Value	Significance
Vertentes	Brazil	Record daily precipitation	32.9 mm (1.3 in)	45 of 100 (Notable)
Wallajah	India	Record daily precipitation	103.9 mm (4.1 in)	45 of 100 (Notable)
Yercaud	India	Record daily precipitation	113.5 mm (4.5 in)	45 of 100 (Notable)
Anadia	Brazil	Record daily precipitation	30.0 mm (1.2 in)	35 of 100 (Notable)
Nossa Senhora da Gloria	Brazil	Record daily precipitation	32.0 mm (1.3 in)	35 of 100 (Notable)
Haina 214	United States	Record daily precipitation	54.4 mm (2.1 in)	34 of 100 (Routine)
Franklin	Australia	Record daily precipitation	26.7 mm (1.1 in)	31 of 100 (Routine)
Kukuihaele Hic 199	United States	Record daily precipitation	45.7 mm (1.8 in)	30 of 100 (Routine)
Nabawa	Australia	Record high minimum temperature	25.6 C (78.1 F)	29 of 100 (Routine)
Koregaon	India	Record daily precipitation	102.1 mm (4.0 in)	29 of 100 (Routine)
Troicko-Pecherskoe	Russia	Record high minimum temperature	6.4 C (43.5 F)	28 of 100 (Routine)
Sharpes Siding	Australia	Record daily precipitation	25.4 mm (1.0 in)	27 of 100 (Routine)
Arhangelsk	Russia	Record high maximum temperature	12.0 C (53.6 F)	27 of 100 (Routine)
Usilampatti	India	Record daily precipitation	54.1 mm (2.1 in)	25 of 100 (Routine)
Saoner	India	Record daily precipitation	31.8 mm (1.3 in)	24 of 100 (Routine)
Satara	India	Record daily precipitation	65.8 mm (2.6 in)	24 of 100 (Routine)
Buxton	United Kingdom	Record high maximum temperature	13.9 C (57.0 F)	24 of 100 (Routine)
Elsinore	United States	Record high minimum temperature	15.0 C (59.0 F)	24 of 100 (Routine)
Orangajuli	India	Record daily precipitation	35.6 mm (1.4 in)	23 of 100 (Routine)
Ponce 4 E	Puerto Rico [United States]	Record low maximum temperature	28.9 C (84.0 F)	23 of 100 (Routine)
Kukuihaele Mill 206	United States	Record daily precipitation	42.4 mm (1.7 in)	23 of 100 (Routine)
Polavaram	India	Record daily precipitation	72.4 mm (2.9 in)	22 of 100 (Routine)
Salisbury	United States	Record low minimum temperature	-1.1 C (30.0 F)	22 of 100 (Routine)
Waynesville 1 E	United States	Record low minimum temperature	-5.0 C (23.0 F)	21 of 100 (Routine)
Tiffin	United States	Record low minimum temperature	-5.0 C (23.0 F)	21 of 100 (Routine)
Tunnsjo	Norway	Record daily precipitation	22.9 mm (0.9 in)	20 of 100 (Routine)
Mangalore (Mangalore Farm)	Australia	Record daily precipitation	21.8 mm (0.9 in)	20 of 100 (Routine)
Arhangelsk	Russia	Record daily precipitation	18.2 mm (0.7 in)	20 of 100 (Routine)
Apsley (Parki)	Australia	Record daily precipitation	19.1 mm (0.8 in)	20 of 100 (Routine)
Hawkesdale (Post Office)	Australia	Record daily precipitation	14.5 mm (0.6 in)	20 of 100 (Routine)
Channel	Canada	Record daily snowfall	1.3 cm (0.5 in)	20 of 100 (Routine)
Melton Mowbray (Lovely Banks)	Australia	Record daily precipitation	16.8 mm (0.7 in)	20 of 100 (Routine)
Lenah Valley (Augusta Road)	Australia	Record daily precipitation	18.8 mm (0.7 in)	20 of 100 (Routine)
Hobart (Ellerslie Road)	Australia	Record daily precipitation	16.8 mm (0.7 in)	20 of 100 (Routine)
Ft Bayard 4W	United States	Record daily precipitation	11.7 mm (0.5 in)	20 of 100 (Routine)
Bagdad	Australia	Record daily precipitation	16.5 mm (0.6 in)	20 of 100 (Routine)
Broadmarsh (Corleen)	Australia	Record daily precipitation	17.8 mm (0.7 in)	20 of 100 (Routine)
Hobart Botanical Gardens	Australia	Record daily precipitation	12.7 mm (0.5 in)	20 of 100 (Routine)
Hamilton (Uralla)	Australia	Record daily precipitation	16.0 mm (0.6 in)	20 of 100 (Routine)
Ahmadabad	India	Record daily precipitation	12.2 mm (0.5 in)	20 of 100 (Routine)
Osterley	Australia	Record daily precipitation	22.9 mm (0.9 in)	20 of 100 (Routine)
Morada Nova	Brazil	Record daily precipitation	8.5 mm (0.33 in)	20 of 100 (Routine)
Gangapur	India	Record daily precipitation	8.1 mm (0.32 in)	20 of 100 (Routine)
Minicoy Obsy	India	Record daily precipitation	73.2 mm (2.9 in)	20 of 100 (Routine)
Maristova	Norway	Record daily precipitation	10.0 mm (0.4 in)	20 of 100 (Routine)
Krasnojarsk	Russia	Record daily precipitation	14.5 mm (0.6 in)	20 of 100 (Routine)
Waterville Wwtp	United States	Record low maximum temperature	4.4 C (39.9 F)	20 of 100 (Routine)
Paauilo 221	United States	Record daily precipitation	69.6 mm (2.7 in)	20 of 100 (Routine)
Lindisfarne	Australia	Record daily precipitation	11.7 mm (0.5 in)	19 of 100 (Routine)
Cascavel	Brazil	Record daily precipitation	4.0 mm (0.16 in)	19 of 100 (Routine)
Malpura	India	Record daily precipitation	3.8 mm (0.15 in)	19 of 100 (Routine)
Vik I Sogn III	Norway	Record daily precipitation	16.8 mm (0.7 in)	19 of 100 (Routine)
Lowestoft	United Kingdom	Record high maximum temperature	17.8 C (64.0 F)	19 of 100 (Routine)
Hawkinsville	United States	Record low minimum temperature	1.7 C (35.1 F)	19 of 100 (Routine)
Jeffersonville	United States	Record low minimum temperature	-1.1 C (30.0 F)	19 of 100 (Routine)
Mayhill Rs	United States	Record daily precipitation	7.6 mm (0.30 in)	19 of 100 (Routine)
Morganton	United States	Record low minimum temperature	-2.2 C (28.0 F)	19 of 100 (Routine)
Lampasas	United States	Record daily precipitation	0.5 mm (0.02 in)	19 of 100 (Routine)
Weston	United States	Record low minimum temperature	-3.3 C (26.1 F)	19 of 100 (Routine)
Snug Primary School	Australia	Record daily precipitation	18.5 mm (0.7 in)	18 of 100 (Routine)

Counts by Type and Timescale

266 records

Records set or tied on 21 October 1948 by type: Highest daily maximum 24, Lowest daily maximum 19, Highest daily minimum 17, Lowest daily minimum 98, Heaviest daily rainfall 106, Heaviest daily snowfall 2.

Records on 21 October 1948 by type
Record type	Records
Highest daily maximum	24
Lowest daily maximum	19
Highest daily minimum	17
Lowest daily minimum	98
Heaviest daily rainfall	106
Heaviest daily snowfall	2
Deepest snow cover	0

Records on 21 October 1948 by timescale: all-time 0, monthly 4, daily 262.

How Much Records Were Beaten By

196 broken records

Margins by which the 196 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 72.9. Ties are not counted.

Top 20 by Significance

21 October 1948

Top 20 records on 21 October 1948 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 October 1948	Vertentes, BR	daily rain	32.9 mm (1.3 in)	32.3 mm (1.3 in)	7 years	45 of 100 (Notable)
21 October 1948	Wallajah, IN	daily rain	103.9 mm (4.1 in)	58.2 mm (2.3 in)	44 years	45 of 100 (Notable)
21 October 1948	Yercaud, IN	daily rain	113.5 mm (4.5 in)	72.9 mm (2.9 in)	9 years	45 of 100 (Notable)
21 October 1948	Anadia, BR	daily rain	30.0 mm (1.2 in)	23.4 mm (0.9 in)	10 years	35 of 100 (Notable)
21 October 1948	Nossa Senhora da Gloria, BR	daily rain	32.0 mm (1.3 in)	25.0 mm (1.0 in)	14 years	35 of 100 (Notable)
21 October 1948	Haina 214, US	daily rain	54.4 mm (2.1 in)	32.8 mm (1.3 in)	17 years	34 of 100 (Routine)
21 October 1948	Franklin, AU	daily rain	26.7 mm (1.1 in)	14.0 mm (0.6 in)	19 years	31 of 100 (Routine)
21 October 1948	Kukuihaele Hic 199, US	daily rain	45.7 mm (1.8 in)	25.4 mm (1.0 in)	33 years	30 of 100 (Routine)
21 October 1948	Nabawa, AU	monthly high min	25.6 C (78.1 F)	4.5 C (8.1 F)	0 years	29 of 100 (Routine)
21 October 1948	Koregaon, IN	monthly rain	102.1 mm (4.0 in)	18.3 mm (0.7 in)	10 years	29 of 100 (Routine)
21 October 1948	Troicko-Pecherskoe, RU	daily high min	6.4 C (43.5 F)	4.3 C (7.7 F)	52 years	28 of 100 (Routine)
21 October 1948	Sharpes Siding, AU	daily rain	25.4 mm (1.0 in)	11.2 mm (0.4 in)	19 years	27 of 100 (Routine)
21 October 1948	Arhangelsk, RU	daily high max	12.0 C (53.6 F)	2.0 C (3.6 F)	56 years	27 of 100 (Routine)
21 October 1948	Usilampatti, IN	daily rain	54.1 mm (2.1 in)	20.1 mm (0.8 in)	40 years	25 of 100 (Routine)
21 October 1948	Saoner, IN	daily rain	31.8 mm (1.3 in)	30.0 mm (1.2 in)	15 years	24 of 100 (Routine)
21 October 1948	Satara, IN	daily rain	65.8 mm (2.6 in)	21.3 mm (0.8 in)	16 years	24 of 100 (Routine)
21 October 1948	Buxton, GB	daily high max	13.9 C (57.0 F)	0.5 C (0.9 F)	54 years	24 of 100 (Routine)
21 October 1948	Elsinore, US	daily high min	15.0 C (59.0 F)	1.7 C (3.1 F)	47 years	24 of 100 (Routine)
21 October 1948	Orangajuli, IN	daily rain	35.6 mm (1.4 in)	15.3 mm (0.6 in)	34 years	23 of 100 (Routine)
21 October 1948	Ponce 4 E, PR	daily low max	28.9 C (84.0 F)	1.7 C (3.1 F)	20 years	23 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

1795 to 1948

Records set or tied on this calendar date in each year from 1795 to 1948. 1948 had 266 records.

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

Records on 10-21 in each year
Year	Records
1795	1
1802	2
1805	1
1808	1
1810	1
1834	1
1835	1
1840	1
1845	1
1847	1
1850	1
1851	2
1854	1
1859	1
1863	1
1864	1
1866	3
1867	1
1868	3
1869	2
1871	1
1872	1
1873	1
1874	1
1876	4
1877	2
1878	1
1880	3
1881	1
1883	1
1886	1
1888	2
1889	2
1890	3
1891	6
1892	6
1893	1
1894	1
1895	2
1896	5
1898	6
1899	3
1900	2
1901	9
1902	2
1903	3
1904	30
1905	15
1906	11
1907	35
1908	35
1909	19
1910	21
1911	10
1912	18
1913	59
1914	35
1915	43
1916	70
1917	208
1918	18
1919	102
1920	149
1921	58
1922	78
1923	81
1924	389
1925	150
1926	77
1927	187
1928	78
1929	200
1930	492
1931	217
1932	165
1933	733
1934	407
1935	707
1936	407
1937	132
1938	121
1939	491
1940	537
1941	644
1942	258
1943	421
1944	367
1945	538
1946	297
1947	977
1948	266
1949	1,015
1950	438
1951	382
1952	848
1953	1,579
1954	279
1955	481
1956	276
1957	511
1958	322
1959	410
1960	408
1961	553
1962	359
1963	725
1964	457
1965	465
1966	425
1967	472
1968	174
1969	881
1970	548
1971	498
1972	813
1973	464
1974	866
1975	509
1976	1,467
1977	451
1978	616
1979	1,958
1980	378
1981	667
1982	870
1983	786
1984	1,872
1985	776
1986	814
1987	852
1988	696
1989	1,668
1990	807
1991	877
1992	1,095
1993	845
1994	670
1995	1,120
1996	1,581
1997	915
1998	711
1999	688
2000	771
2001	610
2002	1,241
2003	2,066
2004	1,674
2005	949
2006	1,057
2007	916
2008	610
2009	713
2010	710
2011	662
2012	703
2013	440
2014	716
2015	493
2016	734
2017	750
2018	440
2019	757
2020	1,135
2021	574
2022	629
2023	890
2024	1,138
2025	364

Download the Data

Data for records on 1948-10-21: 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 2026-10-14 (14 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Margin	Records
0 to 10	161
10 to 20	23
20 to 30	7
30 to 40	3
40 to 50	0
50 to 60	1
60 to 70	0
70 to 80	1