Weather Records on 24 October 2021

588 weather records were set or tied worldwide on 24 October 2021. Highest significance: Saint Helena, US.

Key Facts for 24 October 2021

On 24 October 2021, 588 weather records were set or tied at long-record stations worldwide.
202 were record highs and 48 were record lows, counting maximum and minimum temperature.
By timescale, 24 were all-time records, 49 monthly and 515 daily.
Saint Helena set an all-time record daily precipitation of 252.2 mm (9.9 in) on 24 October 2021.
Across 158 earlier years (1802 to 2025) the same calendar date averaged 477 records.

Record Map

588 stations

588 station records on 24 October 2021 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 24 October 2021: highest significance records shown on the map
Station	Country	Type	Value	Significance
Saint Helena	United States	Record daily precipitation	252.2 mm (9.9 in)	100 of 100 (Exceptional)
Sacramento AP ASOS	United States	Record daily precipitation	137.4 mm (5.4 in)	82 of 100 (Exceptional)
Steffenville	United States	Record daily precipitation	110.2 mm (4.3 in)	80 of 100 (Exceptional)
Avoca (Railway House)	Australia	Record daily precipitation	44.5 mm (1.8 in)	77 of 100 (Major)
Camp Pardee	United States	Record daily precipitation	126.2 mm (5.0 in)	76 of 100 (Major)
Redwood City	United States	Record daily precipitation	108.7 mm (4.3 in)	71 of 100 (Major)
Santa Rosa	United States	Record daily precipitation	198.9 mm (7.8 in)	70 of 100 (Major)
Winters	United States	Record daily precipitation	60.5 mm (2.4 in)	69 of 100 (Major)
Des Moines Intl AP	United States	Record daily precipitation	73.9 mm (2.9 in)	69 of 100 (Major)
Oakland Intl AP	United States	Record daily precipitation	90.9 mm (3.6 in)	68 of 100 (Major)
Panoche 2 W	United States	Record daily precipitation	31.5 mm (1.2 in)	67 of 100 (Major)
Fallen Leaf	United States	Record daily precipitation	208.3 mm (8.2 in)	65 of 100 (Major)
Trenton	United States	Record daily precipitation	78.2 mm (3.1 in)	64 of 100 (Major)
Sacramento 5 ESE	United States	Record daily precipitation	138.2 mm (5.4 in)	64 of 100 (Major)
Srinagar	India	Record daily precipitation	34.0 mm (1.3 in)	63 of 100 (Major)
Healdsburg	United States	Record daily precipitation	165.6 mm (6.5 in)	63 of 100 (Major)
Kentfield	United States	Record daily precipitation	281.7 mm (11.1 in)	63 of 100 (Major)
Minden	United States	Record daily precipitation	71.1 mm (2.8 in)	63 of 100 (Major)
Kirksville Rgnl AP	United States	Record daily precipitation	115.3 mm (4.5 in)	63 of 100 (Major)
San Francisco Dwtn	United States	Record daily precipitation	102.1 mm (4.0 in)	63 of 100 (Major)
Springfield Abraham Lincoln Ca	United States	Record daily precipitation	54.4 mm (2.1 in)	62 of 100 (Major)
Calistoga	United States	Record daily precipitation	95.0 mm (3.7 in)	61 of 100 (Major)
Quincy Dam 21	United States	Record daily precipitation	79.0 mm (3.1 in)	61 of 100 (Major)
Cressy House	Australia	Record daily precipitation	45.0 mm (1.8 in)	60 of 100 (Major)
Chicago Midway AP 3SW	United States	Record daily precipitation	68.3 mm (2.7 in)	59 of 100 (Notable)
Randolph	United States	Record daily precipitation	56.1 mm (2.2 in)	59 of 100 (Notable)
Hannibal Wtr Wks	United States	Record daily precipitation	65.0 mm (2.6 in)	59 of 100 (Notable)
Kirksville	United States	Record daily precipitation	52.6 mm (2.1 in)	59 of 100 (Notable)
Lewis Hill (St Pauls River)	Australia	Record daily precipitation	44.8 mm (1.8 in)	58 of 100 (Notable)
Muir Woods	United States	Record daily precipitation	180.3 mm (7.1 in)	58 of 100 (Notable)
Kamilaroi Station	Australia	Record daily precipitation	68.0 mm (2.7 in)	57 of 100 (Notable)
Big Meadow	United States	Record daily precipitation	127.0 mm (5.0 in)	57 of 100 (Notable)
Petaluma AP	United States	Record daily precipitation	131.3 mm (5.2 in)	56 of 100 (Notable)
Blue Canyon Nyack AP	United States	Record daily precipitation	265.2 mm (10.4 in)	56 of 100 (Notable)
Stockton AP	United States	Record daily precipitation	65.8 mm (2.6 in)	56 of 100 (Notable)
Ward Creek #3	United States	Record daily precipitation	292.1 mm (11.5 in)	55 of 100 (Notable)
Musselboro (Elverton)	Australia	Record daily precipitation	60.0 mm (2.4 in)	54 of 100 (Notable)
Bothwell (Franklin Street)	Australia	Record daily precipitation	34.0 mm (1.3 in)	54 of 100 (Notable)
Willows 6 W	United States	Record daily precipitation	74.4 mm (2.9 in)	54 of 100 (Notable)
Ft Madison	United States	Record daily precipitation	72.1 mm (2.8 in)	54 of 100 (Notable)
Spickard 7 W	United States	Record daily precipitation	75.7 mm (3.0 in)	54 of 100 (Notable)
Selbourne (Kirnbrae)	Australia	Record daily precipitation	46.0 mm (1.8 in)	53 of 100 (Notable)
Colfax	United States	Record daily precipitation	248.9 mm (9.8 in)	53 of 100 (Notable)
Downieville	United States	Record daily precipitation	180.1 mm (7.1 in)	53 of 100 (Notable)
Ozark	United States	Record daily precipitation	63.5 mm (2.5 in)	53 of 100 (Notable)
Lafayette Purdue UNIV AP	United States	Record daily precipitation	64.0 mm (2.5 in)	53 of 100 (Notable)
Reno AP	United States	Record daily precipitation	47.8 mm (1.9 in)	53 of 100 (Notable)
Red Oak	United States	Record daily precipitation	38.1 mm (1.5 in)	52 of 100 (Notable)
Huron Rgnl AP	United States	Record daily precipitation	34.5 mm (1.4 in)	52 of 100 (Notable)
Deloraine (Athol)	Australia	Record daily precipitation	42.0 mm (1.7 in)	51 of 100 (Notable)
Deddington (Marathon)	Australia	Record daily precipitation	59.2 mm (2.3 in)	51 of 100 (Notable)
Coldwater St School	United States	Record daily precipitation	50.8 mm (2.0 in)	51 of 100 (Notable)
San Francisco Intl AP	United States	Record daily precipitation	102.1 mm (4.0 in)	51 of 100 (Notable)
Colusa 2 SSW	United States	Record daily precipitation	45.7 mm (1.8 in)	50 of 100 (Notable)
Upper San Leandro Filters	United States	Record daily precipitation	139.7 mm (5.5 in)	50 of 100 (Notable)
Shenandoah	United States	Record daily precipitation	48.3 mm (1.9 in)	50 of 100 (Notable)
Lamance Creek	United States	Record daily precipitation	104.1 mm (4.1 in)	50 of 100 (Notable)
Burlington Muni AP	United States	Record daily precipitation	54.4 mm (2.1 in)	50 of 100 (Notable)
Eaglehawk Neck (Jetty Road)	Australia	Record daily precipitation	33.0 mm (1.3 in)	49 of 100 (Notable)
Napa State Hospital	United States	Record daily precipitation	135.9 mm (5.4 in)	49 of 100 (Notable)

Counts by Type and Timescale

588 records

Records set or tied on 24 October 2021 by type: Highest daily maximum 71, Lowest daily maximum 26, Highest daily minimum 131, Lowest daily minimum 22, Heaviest daily rainfall 335, Heaviest daily snowfall 2, Deepest snow cover 1.

Records on 24 October 2021 by type
Record type	Records
Highest daily maximum	71
Lowest daily maximum	26
Highest daily minimum	131
Lowest daily minimum	22
Heaviest daily rainfall	335
Heaviest daily snowfall	2
Deepest snow cover	1

Records on 24 October 2021 by timescale: all-time 24, monthly 49, daily 515.

How Much Records Were Beaten By

512 broken records

Margins by which the 512 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 146.5. Ties are not counted.

Top 20 by Significance

24 October 2021

Top 20 records on 24 October 2021 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
24 October 2021	Saint Helena, US	all-time rain	252.2 mm (9.9 in)	74.4 mm (2.9 in)	107 years	100 of 100 (Exceptional)
24 October 2021	Sacramento AP ASOS, US	all-time rain	137.4 mm (5.4 in)	41.6 mm (1.6 in)	59 years	82 of 100 (Exceptional)
24 October 2021	Steffenville, US	daily rain	110.2 mm (4.3 in)	61.9 mm (2.4 in)	104 years	80 of 100 (Exceptional)
24 October 2021	Avoca (Railway House), AU	daily rain	44.5 mm (1.8 in)	29.3 mm (1.2 in)	91 years	77 of 100 (Major)
24 October 2021	Camp Pardee, US	monthly rain	126.2 mm (5.0 in)	65.5 mm (2.6 in)	59 years	76 of 100 (Major)
24 October 2021	Redwood City, US	daily rain	108.7 mm (4.3 in)	86.9 mm (3.4 in)	70 years	71 of 100 (Major)
24 October 2021	Santa Rosa, US	all-time rain	198.9 mm (7.8 in)	55.1 mm (2.2 in)	2 years	70 of 100 (Major)
24 October 2021	Winters, US	daily rain	60.5 mm (2.4 in)	45.5 mm (1.8 in)	64 years	69 of 100 (Major)
24 October 2021	Des Moines Intl AP, US	daily rain	73.9 mm (2.9 in)	50.3 mm (2.0 in)	74 years	69 of 100 (Major)
24 October 2021	Oakland Intl AP, US	daily rain	90.9 mm (3.6 in)	81.0 mm (3.2 in)	70 years	68 of 100 (Major)
24 October 2021	Panoche 2 W, US	daily rain	31.5 mm (1.2 in)	25.4 mm (1.0 in)	70 years	67 of 100 (Major)
24 October 2021	Fallen Leaf, US	all-time rain	208.3 mm (8.2 in)	71.1 mm (2.8 in)	4 years	65 of 100 (Major)
24 October 2021	Trenton, US	daily rain	78.2 mm (3.1 in)	34.5 mm (1.4 in)	112 years	64 of 100 (Major)
24 October 2021	Sacramento 5 ESE, US	all-time rain	138.2 mm (5.4 in)	4.1 mm (0.16 in)	141 years	64 of 100 (Major)
24 October 2021	Srinagar, IN	daily rain	34.0 mm (1.3 in)	22.8 mm (0.9 in)	114 years	63 of 100 (Major)
24 October 2021	Healdsburg, US	monthly rain	165.6 mm (6.5 in)	41.4 mm (1.6 in)	59 years	63 of 100 (Major)
24 October 2021	Kentfield, US	monthly rain	281.7 mm (11.1 in)	125.7 mm (4.9 in)	12 years	63 of 100 (Major)
24 October 2021	Minden, US	monthly rain	71.1 mm (2.8 in)	26.9 mm (1.1 in)	10 years	63 of 100 (Major)
24 October 2021	Kirksville Rgnl AP, US	daily rain	115.3 mm (4.5 in)	96.0 mm (3.8 in)	54 years	63 of 100 (Major)
24 October 2021	San Francisco Dwtn, US	monthly rain	102.1 mm (4.0 in)	39.1 mm (1.5 in)	12 years	63 of 100 (Major)

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

1802 to 2021

Records set or tied on this calendar date in each year from 1802 to 2021. 2021 had 588 records.

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

Records on 10-24 in each year
Year	Records
1802	2
1840	1
1844	1
1846	1
1849	1
1850	1
1851	1
1857	1
1859	1
1864	1
1866	2
1869	2
1872	2
1873	1
1875	1
1876	2
1877	2
1879	1
1880	7
1881	1
1884	1
1886	2
1887	3
1890	3
1891	3
1892	1
1893	3
1894	3
1895	5
1896	3
1897	1
1898	6
1899	3
1900	9
1901	4
1902	13
1903	6
1904	13
1905	22
1906	30
1907	11
1908	26
1909	13
1910	8
1911	23
1912	37
1913	85
1914	12
1915	43
1916	29
1917	145
1918	27
1919	48
1920	273
1921	54
1922	193
1923	169
1924	94
1925	258
1926	268
1927	308
1928	66
1929	200
1930	420
1931	351
1932	334
1933	256
1934	535
1935	343
1936	223
1937	588
1938	686
1939	776
1940	406
1941	304
1942	299
1943	369
1944	313
1945	549
1946	427
1947	427
1948	215
1949	624
1950	314
1951	546
1952	409
1953	244
1954	538
1955	460
1956	581
1957	673
1958	316
1959	885
1960	378
1961	228
1962	346
1963	1,397
1964	469
1965	387
1966	515
1967	273
1968	206
1969	1,115
1970	594
1971	794
1972	464
1973	558
1974	537
1975	2,018
1976	730
1977	469
1978	594
1979	683
1980	826
1981	1,920
1982	838
1983	662
1984	1,000
1985	902
1986	506
1987	674
1988	512
1989	1,182
1990	594
1991	1,380
1992	1,169
1993	602
1994	594
1995	1,119
1996	1,027
1997	1,400
1998	1,238
1999	1,374
2000	1,514
2001	1,769
2002	2,094
2003	1,934
2004	1,300
2005	973
2006	1,709
2007	1,631
2008	808
2009	870
2010	1,037
2011	658
2012	1,027
2013	497
2014	883
2015	528
2016	622
2017	858
2018	442
2019	761
2020	1,993
2021	588
2022	1,412
2023	682
2024	783
2025	286

Download the Data

Data for records on 2021-10-24: 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 2026-10-18. Last revised 18 October 2026 (2026-10-18).

Margin	Records
0 to 20	413
20 to 40	59
40 to 60	25
60 to 80	7
80 to 100	5
100 to 120	0
120 to 140	2
140 to 160	1