Weather Records on 21 September 1968

790 weather records were set or tied worldwide on 21 September 1968. Highest significance: Augsburg (Sankt Stephan), DE.

Key Facts for 21 September 1968

On 21 September 1968, 790 weather records were set or tied at long-record stations worldwide.
120 were record highs and 333 were record lows, counting maximum and minimum temperature.
By timescale, 3 were all-time records, 31 monthly and 756 daily.
Augsburg (Sankt Stephan) set a daily record precipitation of 42.1 mm (1.7 in) on 21 September 1968.
Across 155 earlier years (1805 to 2026) the same calendar date averaged 449 records.

Record Map

790 stations

790 station records on 21 September 1968 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 September 1968: highest significance records shown on the map
Station	Country	Type	Value	Significance
Augsburg (Sankt Stephan)	Germany	Record daily precipitation	42.1 mm (1.7 in)	60 of 100 (Major)
Warthausen-Birkenhard	Germany	Record daily precipitation	54.4 mm (2.1 in)	58 of 100 (Notable)
Tuttlingen	Germany	Record daily precipitation	58.1 mm (2.3 in)	58 of 100 (Notable)
Fort Macleod	Canada	Record daily precipitation	49.3 mm (1.9 in)	54 of 100 (Notable)
Mohrendorf-Kleinseebach	Germany	Record daily precipitation	27.0 mm (1.1 in)	53 of 100 (Notable)
Krumbach-Edenhausen	Germany	Record daily precipitation	55.1 mm (2.2 in)	53 of 100 (Notable)
Zuerich/Fluntern	Switzerland	Record daily precipitation	103.1 mm (4.1 in)	52 of 100 (Notable)
Mountain View Birdseye	Canada	Record daily snowfall	22.9 cm (9.0 in)	49 of 100 (Notable)
Sion 2	Switzerland	Record daily precipitation	51.4 mm (2.0 in)	49 of 100 (Notable)
Bolsoy Santar	Russia	Record daily precipitation	43.9 mm (1.7 in)	47 of 100 (Notable)
A Coruna	Spain	Record daily precipitation	47.4 mm (1.9 in)	47 of 100 (Notable)
West Yellowstone	United States	Record daily snowfall	15.2 cm (6.0 in)	46 of 100 (Notable)
Red Deer	Canada	Record daily snowfall	17.3 cm (6.8 in)	45 of 100 (Notable)
Gleichen	Canada	Record daily precipitation	25.4 mm (1.0 in)	45 of 100 (Notable)
Willow Creek	Canada	Record daily precipitation	52.3 mm (2.1 in)	45 of 100 (Notable)
Munchen-Nymphenburg	Germany	Record daily precipitation	46.9 mm (1.8 in)	45 of 100 (Notable)
Kattumavadi	India	Record daily precipitation	82.0 mm (3.2 in)	45 of 100 (Notable)
Choteau	United States	Record daily snowfall	7.6 cm (3.0 in)	44 of 100 (Notable)
Lloydminster	Canada	Record daily precipitation	39.6 mm (1.6 in)	43 of 100 (Notable)
Kempten	Germany	Record daily precipitation	68.0 mm (2.7 in)	43 of 100 (Notable)
Lethbridge Cda	Canada	Record daily precipitation	40.4 mm (1.6 in)	42 of 100 (Notable)
Harnosand	Sweden	Record daily precipitation	35.4 mm (1.4 in)	42 of 100 (Notable)
Hollister 1 SW	United States	Record low minimum temperature	1.1 C (34.0 F)	42 of 100 (Notable)
Kalispell Glacier AP	United States	Record daily snowfall	7.6 cm (3.0 in)	42 of 100 (Notable)
Melstone	United States	Record daily precipitation	32.5 mm (1.3 in)	42 of 100 (Notable)
Lethbridge A	Canada	Record daily precipitation	49.3 mm (1.9 in)	41 of 100 (Notable)
Somwarpet	India	Record daily precipitation	70.0 mm (2.8 in)	41 of 100 (Notable)
Fairfield	United States	Record daily snowfall	12.7 cm (5.0 in)	41 of 100 (Notable)
Hechingen	Germany	Record daily precipitation	33.7 mm (1.3 in)	40 of 100 (Notable)
Nizhne-Tambovskoe	Russia	Record daily precipitation	42.6 mm (1.7 in)	40 of 100 (Notable)
Troickoe	Russia	Record daily precipitation	44.9 mm (1.8 in)	40 of 100 (Notable)
Timbo Novo (Pcd)	Brazil	Record daily precipitation	73.2 mm (2.9 in)	39 of 100 (Notable)
Rahuri	India	Record daily precipitation	85.6 mm (3.4 in)	39 of 100 (Notable)
Idaho City	United States	Record low maximum temperature	6.1 C (43.0 F)	39 of 100 (Notable)
Kollegal	India	Record daily precipitation	115.6 mm (4.6 in)	38 of 100 (Notable)
Salekhard	Russia	Record low minimum temperature	-7.1 C (19.2 F)	38 of 100 (Notable)
Viking	Canada	Record daily precipitation	46.2 mm (1.8 in)	37 of 100 (Notable)
Three Hills	Canada	Record daily precipitation	26.7 mm (1.1 in)	37 of 100 (Notable)
Rems-Murr-Kreis Winterbach	Germany	Record daily precipitation	48.7 mm (1.9 in)	37 of 100 (Notable)
Dyer 5S	United States	Record low maximum temperature	15.6 C (60.1 F)	37 of 100 (Notable)
Colfax	United States	Record low maximum temperature	8.3 C (46.9 F)	36 of 100 (Notable)
Lnai Culture & Heritage Ctr	United States	Record daily precipitation	108.2 mm (4.3 in)	36 of 100 (Notable)
Spokane Intl AP	United States	Record low maximum temperature	9.4 C (48.9 F)	36 of 100 (Notable)
Hosur	India	Record daily precipitation	63.8 mm (2.5 in)	35 of 100 (Notable)
Grouse	United States	Record daily snowfall	6.4 cm (2.5 in)	35 of 100 (Notable)
Versailles	United States	Record daily precipitation	85.1 mm (3.4 in)	35 of 100 (Notable)
Cascade 5 S	United States	Record daily snowfall	6.4 cm (2.5 in)	35 of 100 (Notable)
Eureka	United States	Record low minimum temperature	-6.1 C (21.0 F)	35 of 100 (Notable)
Col du Grand St-Bernard	Switzerland	Record daily precipitation	53.3 mm (2.1 in)	34 of 100 (Routine)
Choteau	United States	Record snow depth	10.2 cm (4.0 in)	34 of 100 (Routine)
Rosalia	United States	Record low maximum temperature	7.8 C (46.0 F)	34 of 100 (Routine)
Bad-Neunkirchen Mergentheim	Germany	Record daily precipitation	26.1 mm (1.0 in)	33 of 100 (Routine)
Sigmarszell-Zeisertsweiler	Germany	Record daily precipitation	111.3 mm (4.4 in)	33 of 100 (Routine)
Virajpet	India	Record daily precipitation	82.5 mm (3.2 in)	33 of 100 (Routine)
Sunticoppa	India	Record daily precipitation	67.3 mm (2.6 in)	33 of 100 (Routine)
Pitea	Sweden	Record low minimum temperature	-5.1 C (22.8 F)	33 of 100 (Routine)
Porterville	United States	Record low minimum temperature	2.8 C (37.0 F)	33 of 100 (Routine)
Yreka	United States	Record low maximum temperature	14.4 C (57.9 F)	33 of 100 (Routine)
Red Deer A	Canada	Record daily snowfall	15.5 cm (6.1 in)	32 of 100 (Routine)
Mountain View	Canada	Record daily snowfall	25.4 cm (10.0 in)	32 of 100 (Routine)

Counts by Type and Timescale

790 records

Records set or tied on 21 September 1968 by type: Highest daily maximum 71, Lowest daily maximum 221, Highest daily minimum 49, Lowest daily minimum 112, Heaviest daily rainfall 300, Heaviest daily snowfall 31, Deepest snow cover 6.

Records on 21 September 1968 by type
Record type	Records
Highest daily maximum	71
Lowest daily maximum	221
Highest daily minimum	49
Lowest daily minimum	112
Heaviest daily rainfall	300
Heaviest daily snowfall	31
Deepest snow cover	6

Records on 21 September 1968 by timescale: all-time 3, monthly 31, daily 756.

How Much Records Were Beaten By

691 broken records

Margins by which the 691 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 229.0. Ties are not counted.

Top 20 by Significance

21 September 1968

Top 20 records on 21 September 1968 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 September 1968	Augsburg (Sankt Stephan), DE	daily rain	42.1 mm (1.7 in)	24.9 mm (1.0 in)	62 years	60 of 100 (Major)
21 September 1968	Warthausen-Birkenhard, DE	monthly rain	54.4 mm (2.1 in)	14.1 mm (0.6 in)	60 years	58 of 100 (Notable)
21 September 1968	Tuttlingen, DE	daily rain	58.1 mm (2.3 in)	31.7 mm (1.2 in)	35 years	58 of 100 (Notable)
21 September 1968	Fort Macleod, CA	daily rain	49.3 mm (1.9 in)	26.9 mm (1.1 in)	34 years	54 of 100 (Notable)
21 September 1968	Mohrendorf-Kleinseebach, DE	daily rain	27.0 mm (1.1 in)	19.0 mm (0.7 in)	37 years	53 of 100 (Notable)
21 September 1968	Krumbach-Edenhausen, DE	daily rain	55.1 mm (2.2 in)	37.7 mm (1.5 in)	35 years	53 of 100 (Notable)
21 September 1968	Zuerich/Fluntern, CH	all-time rain	103.1 mm (4.1 in)	13.0 mm (0.5 in)	37 years	52 of 100 (Notable)
21 September 1968	Mountain View Birdseye, CA	daily snowfall	22.9 cm (9.0 in)	22.9 cm (9.0 in)	52 years	49 of 100 (Notable)
21 September 1968	Sion 2, CH	daily rain	51.4 mm (2.0 in)	27.7 mm (1.1 in)	10 years	49 of 100 (Notable)
21 September 1968	Bolsoy Santar, RU	daily rain	43.9 mm (1.7 in)	36.7 mm (1.4 in)	22 years	47 of 100 (Notable)
21 September 1968	A Coruna, ES	daily rain	47.4 mm (1.9 in)	26.0 mm (1.0 in)	36 years	47 of 100 (Notable)
21 September 1968	West Yellowstone, US	daily snowfall	15.2 cm (6.0 in)	13.2 cm (5.2 in)	23 years	46 of 100 (Notable)
21 September 1968	Red Deer, CA	daily snowfall	17.3 cm (6.8 in)	10.2 cm (4.0 in)	42 years	45 of 100 (Notable)
21 September 1968	Gleichen, CA	daily rain	25.4 mm (1.0 in)	15.2 mm (0.6 in)	42 years	45 of 100 (Notable)
21 September 1968	Willow Creek, CA	daily rain	52.3 mm (2.1 in)	34.5 mm (1.4 in)	28 years	45 of 100 (Notable)
21 September 1968	Munchen-Nymphenburg, DE	daily rain	46.9 mm (1.8 in)	24.8 mm (1.0 in)	25 years	45 of 100 (Notable)
21 September 1968	Kattumavadi, IN	daily rain	82.0 mm (3.2 in)	39.3 mm (1.5 in)	51 years	45 of 100 (Notable)
21 September 1968	Choteau, US	daily snowfall	7.6 cm (3.0 in)	7.6 cm (3.0 in)	74 years	44 of 100 (Notable)
21 September 1968	Lloydminster, CA	daily rain	39.6 mm (1.6 in)	20.5 mm (0.8 in)	12 years	43 of 100 (Notable)
21 September 1968	Kempten, DE	monthly rain	68.0 mm (2.7 in)	13.5 mm (0.5 in)	41 years	43 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

1805 to 1968

Records set or tied on this calendar date in each year from 1805 to 1968. 1968 had 790 records.

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

Records on 09-21 in each year
Year	Records
1805	1
1812	1
1825	2
1840	1
1841	1
1842	1
1848	1
1854	1
1856	2
1868	1
1872	2
1873	1
1877	1
1878	1
1881	1
1882	1
1884	1
1886	1
1888	2
1889	1
1891	10
1892	1
1893	10
1894	2
1895	3
1896	2
1897	6
1898	6
1899	3
1900	2
1901	5
1902	5
1903	8
1904	20
1905	12
1906	17
1907	10
1908	17
1909	10
1910	8
1911	18
1912	26
1913	37
1914	29
1915	34
1916	48
1917	28
1918	43
1919	54
1920	29
1921	64
1922	35
1923	232
1924	291
1925	278
1926	178
1927	165
1928	81
1929	232
1930	82
1931	681
1932	242
1933	193
1934	492
1935	199
1936	329
1937	487
1938	508
1939	308
1940	908
1941	416
1942	291
1943	407
1944	413
1945	507
1946	176
1947	534
1948	301
1949	298
1950	334
1951	241
1952	430
1953	382
1954	453
1955	752
1956	1,100
1957	366
1958	588
1959	513
1960	418
1961	441
1962	1,085
1963	306
1964	374
1965	1,088
1966	565
1967	577
1968	790
1969	593
1970	708
1971	645
1972	599
1973	421
1974	652
1975	528
1976	694
1977	918
1978	818
1979	736
1980	990
1981	696
1982	1,484
1983	2,207
1984	707
1985	796
1986	671
1987	965
1988	557
1989	1,002
1990	716
1991	1,021
1992	752
1993	911
1994	713
1995	2,002
1996	1,233
1997	1,112
1998	1,481
1999	1,025
2000	884
2001	718
2002	696
2003	959
2004	888
2005	1,143
2006	920
2007	742
2008	740
2009	715
2010	1,290
2011	542
2012	595
2013	769
2014	716
2015	565
2016	989
2017	1,178
2018	1,051
2019	833
2020	580
2021	465
2022	1,049
2023	783
2024	470
2025	588
2026	469

Download the Data

Data for records on 1968-09-21: 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 50	672
50 to 100	10
100 to 150	5
150 to 200	3
200 to 250	1