Weather Records on 21 October 2007

916 weather records were set or tied worldwide on 21 October 2007. Highest significance: Pogranichnoe, RU.

Key Facts for 21 October 2007

On 21 October 2007, 916 weather records were set or tied at long-record stations worldwide.
463 were record highs and 266 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 15 monthly and 901 daily.
Pogranichnoe set a daily record precipitation of 90.2 mm (3.6 in) on 21 October 2007.
Across 167 earlier years (1795 to 2025) the same calendar date averaged 417 records.

Record Map

916 stations

916 station records on 21 October 2007 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 October 2007: highest significance records shown on the map
Station	Country	Type	Value	Significance
Pogranichnoe	Russia	Record daily precipitation	90.2 mm (3.6 in)	55 of 100 (Notable)
Alpine	United States	Record daily snowfall	7.6 cm (3.0 in)	55 of 100 (Notable)
Calera	Mexico	Record high maximum temperature	38.9 C (102.0 F)	54 of 100 (Notable)
Afton	United States	Record daily snowfall	12.7 cm (5.0 in)	54 of 100 (Notable)
Nampula	Mozambique	Record daily precipitation	48.0 mm (1.9 in)	50 of 100 (Notable)
Jendouba	Tunisia	Record low minimum temperature	-2.6 C (27.3 F)	49 of 100 (Notable)
Hvar	Croatia	Record low maximum temperature	12.2 C (54.0 F)	48 of 100 (Notable)
Piaxtla	Mexico	Record daily precipitation	37.8 mm (1.5 in)	48 of 100 (Notable)
Spanish Fk Pwr House	United States	Record daily snowfall	5.1 cm (2.0 in)	47 of 100 (Notable)
Afton	United States	Record snow depth	12.7 cm (5.0 in)	46 of 100 (Notable)
Bedford 3 SE	United States	Record snow depth	25.4 cm (10.0 in)	46 of 100 (Notable)
Kailua 446	United States	Record low maximum temperature	20.6 C (69.1 F)	46 of 100 (Notable)
Norwood	United States	Record daily snowfall	7.6 cm (3.0 in)	45 of 100 (Notable)
Reit Im Winkl	Germany	Record snow depth	20.0 cm (7.9 in)	44 of 100 (Notable)
Salalah	Oman	Record low minimum temperature	12.3 C (54.1 F)	44 of 100 (Notable)
Ixcamilpa (Cfe)	Mexico	Record low maximum temperature	25.0 C (77.0 F)	44 of 100 (Notable)
Cacahoatan	Mexico	Record low maximum temperature	25.0 C (77.0 F)	42 of 100 (Notable)
Ft Grant	United States	Record high minimum temperature	13.3 C (55.9 F)	42 of 100 (Notable)
Madison	United States	Record high minimum temperature	11.7 C (53.1 F)	42 of 100 (Notable)
Heber	United States	Record daily snowfall	7.6 cm (3.0 in)	42 of 100 (Notable)
Santaquin Chlorinator	United States	Record daily snowfall	5.8 cm (2.3 in)	42 of 100 (Notable)
Basel Binningen	Switzerland	Record low minimum temperature	-0.7 C (30.7 F)	41 of 100 (Notable)
Ft Grant	United States	Record high maximum temperature	30.0 C (86.0 F)	41 of 100 (Notable)
Meeker	United States	Record daily snowfall	14.7 cm (5.8 in)	41 of 100 (Notable)
Manistique Wwtp	United States	Record high minimum temperature	12.8 C (55.0 F)	41 of 100 (Notable)
Villaflores (Smn)	Mexico	Record daily precipitation	39.4 mm (1.6 in)	40 of 100 (Notable)
Placerville 3SE	United States	Record daily snowfall	15.2 cm (6.0 in)	40 of 100 (Notable)
Cleve	Australia	Record high minimum temperature	23.0 C (73.4 F)	39 of 100 (Notable)
Nhill	Australia	Record high maximum temperature	36.6 C (97.9 F)	39 of 100 (Notable)
Melbourne Regional Office	Australia	Record high maximum temperature	33.5 C (92.3 F)	39 of 100 (Notable)
Gail	United States	Record high minimum temperature	18.9 C (66.0 F)	39 of 100 (Notable)
Gospic	Croatia	Record low maximum temperature	4.0 C (39.2 F)	38 of 100 (Notable)
Suchiate	Mexico	Record low maximum temperature	27.8 C (82.0 F)	38 of 100 (Notable)
Silverton	United States	Record daily snowfall	6.9 cm (2.7 in)	38 of 100 (Notable)
Avon	United States	Record high maximum temperature	27.2 C (81.0 F)	38 of 100 (Notable)
Stayton	United States	Record daily precipitation	61.0 mm (2.4 in)	38 of 100 (Notable)
Wanship Dam	United States	Record daily snowfall	5.1 cm (2.0 in)	38 of 100 (Notable)
Salzburg	Austria	Record low maximum temperature	3.3 C (37.9 F)	37 of 100 (Notable)
La Escalera	Mexico	Record daily precipitation	42.2 mm (1.7 in)	37 of 100 (Notable)
Nogliki	Russia	Record daily precipitation	36.3 mm (1.4 in)	37 of 100 (Notable)
Naples	United States	Record daily precipitation	73.7 mm (2.9 in)	37 of 100 (Notable)
Ft Sumner	United States	Record high maximum temperature	31.7 C (89.1 F)	37 of 100 (Notable)
Hemlock	United States	Record high maximum temperature	25.6 C (78.1 F)	37 of 100 (Notable)
Essendon Airport	Australia	Record high maximum temperature	32.9 C (91.2 F)	36 of 100 (Notable)
Frontera Hidalgo	Mexico	Record low maximum temperature	26.7 C (80.1 F)	36 of 100 (Notable)
Motozintla (Smn)	Mexico	Record high maximum temperature	32.8 C (91.0 F)	36 of 100 (Notable)
Tepeji del Rio	Mexico	Record daily precipitation	38.1 mm (1.5 in)	36 of 100 (Notable)
Tromso	Norway	Record high minimum temperature	8.6 C (47.5 F)	36 of 100 (Notable)
Cluj Napoca	Romania	Record low maximum temperature	3.8 C (38.8 F)	36 of 100 (Notable)
Blackfoot Fire Dept	United States	Record daily snowfall	5.1 cm (2.0 in)	36 of 100 (Notable)
Plainview	United States	Record high maximum temperature	32.8 C (91.0 F)	36 of 100 (Notable)
Deer Creek Dam	United States	Record daily snowfall	5.1 cm (2.0 in)	36 of 100 (Notable)
Dayton 1 WSW	United States	Record low maximum temperature	4.4 C (39.9 F)	36 of 100 (Notable)
Yoder 5 W	United States	Record daily snowfall	5.1 cm (2.0 in)	36 of 100 (Notable)
La Providencia	Mexico	Record daily precipitation	42.9 mm (1.7 in)	35 of 100 (Notable)
Asuncion Nochixtlan	Mexico	Record high minimum temperature	13.9 C (57.0 F)	35 of 100 (Notable)
San Carlos Yautepec	Mexico	Record daily precipitation	27.9 mm (1.1 in)	35 of 100 (Notable)
Balcon Diablo	Mexico	Record high maximum temperature	30.0 C (86.0 F)	35 of 100 (Notable)
Maybell	United States	Record daily snowfall	16.3 cm (6.4 in)	35 of 100 (Notable)
Pleasant Grove	United States	Record daily snowfall	7.6 cm (3.0 in)	35 of 100 (Notable)

Counts by Type and Timescale

916 records

Records set or tied on 21 October 2007 by type: Highest daily maximum 280, Lowest daily maximum 144, Highest daily minimum 183, Lowest daily minimum 122, Heaviest daily rainfall 122, Heaviest daily snowfall 35, Deepest snow cover 30.

Records on 21 October 2007 by type
Record type	Records
Highest daily maximum	280
Lowest daily maximum	144
Highest daily minimum	183
Lowest daily minimum	122
Heaviest daily rainfall	122
Heaviest daily snowfall	35
Deepest snow cover	30

Records on 21 October 2007 by timescale: all-time 0, monthly 15, daily 901.

How Much Records Were Beaten By

727 broken records

Margins by which the 727 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 178.0. Ties are not counted.

Top 20 by Significance

21 October 2007

Top 20 records on 21 October 2007 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 October 2007	Pogranichnoe, RU	daily rain	90.2 mm (3.6 in)	45.1 mm (1.8 in)	30 years	55 of 100 (Notable)
21 October 2007	Alpine, US	daily snowfall	7.6 cm (3.0 in)	7.6 cm (3.0 in)	106 years	55 of 100 (Notable)
21 October 2007	Calera, MX	daily high max	38.9 C (102.0 F)	8.9 C (16.0 F)	44 years	54 of 100 (Notable)
21 October 2007	Afton, US	daily snowfall	12.7 cm (5.0 in)	12.7 cm (5.0 in)	49 years	54 of 100 (Notable)
21 October 2007	Nampula, MZ	daily rain	48.0 mm (1.9 in)	40.9 mm (1.6 in)	21 years	50 of 100 (Notable)
21 October 2007	Jendouba, TN	monthly low min	-2.6 C (27.3 F)	6.5 C (11.7 F)	40 years	49 of 100 (Notable)
21 October 2007	Hvar, HR	daily low max	12.2 C (54.0 F)	2.3 C (4.1 F)	101 years	48 of 100 (Notable)
21 October 2007	Piaxtla, MX	daily rain	37.8 mm (1.5 in)	22.1 mm (0.9 in)	80 years	48 of 100 (Notable)
21 October 2007	Spanish Fk Pwr House, US	daily snowfall	5.1 cm (2.0 in)	5.1 cm (2.0 in)	93 years	47 of 100 (Notable)
21 October 2007	Afton, US	daily snow depth	12.7 cm (5.0 in)	12.7 cm (5.0 in)	49 years	46 of 100 (Notable)
21 October 2007	Bedford 3 SE, US	daily snow depth	25.4 cm (10.0 in)	17.8 cm (7.0 in)	10 years	46 of 100 (Notable)
21 October 2007	Kailua 446, US	daily low max	20.6 C (69.1 F)	1.1 C (2.0 F)	96 years	46 of 100 (Notable)
21 October 2007	Norwood, US	daily snowfall	7.6 cm (3.0 in)	7.6 cm (3.0 in)	82 years	45 of 100 (Notable)
21 October 2007	Reit Im Winkl, DE	daily snow depth	20.0 cm (7.9 in)	4.0 cm (1.6 in)	101 years	44 of 100 (Notable)
21 October 2007	Salalah, OM	monthly low min	12.3 C (54.1 F)	4.2 C (7.6 F)	18 years	44 of 100 (Notable)
21 October 2007	Ixcamilpa (Cfe), MX	daily low max	25.0 C (77.0 F)	5.0 C (9.0 F)	52 years	44 of 100 (Notable)
21 October 2007	Cacahoatan, MX	daily low max	25.0 C (77.0 F)	3.9 C (7.0 F)	53 years	42 of 100 (Notable)
21 October 2007	Ft Grant, US	daily high min	13.3 C (55.9 F)	1.1 C (2.0 F)	104 years	42 of 100 (Notable)
21 October 2007	Madison, US	daily high min	11.7 C (53.1 F)	2.3 C (4.1 F)	92 years	42 of 100 (Notable)
21 October 2007	Heber, US	daily snowfall	7.6 cm (3.0 in)	2.5 cm (1.0 in)	86 years	42 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

1795 to 2007

Records set or tied on this calendar date in each year from 1795 to 2007. 2007 had 916 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 2007-10-21: 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 2026-10-13 (13 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 25	676
25 to 50	22
50 to 75	15
75 to 100	4
100 to 125	3
125 to 150	5
150 to 175	1
175 to 200	1