Weather Records on 30 November 1974

912 weather records were set or tied worldwide on 30 November 1974. Highest significance: Wapello, US.

Key Facts for 30 November 1974

On 30 November 1974, 912 weather records were set or tied at long-record stations worldwide.
37 were record highs and 331 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 71 monthly and 840 daily.
Wapello set a monthly record daily snowfall of 22.1 cm (8.7 in) on 30 November 1974.
Across 158 earlier years (1797 to 2025) the same calendar date averaged 486 records.

Record Map

912 stations

912 station records on 30 November 1974 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 November 1974: highest significance records shown on the map
Station	Country	Type	Value	Significance
Wapello	United States	Record daily snowfall	22.1 cm (8.7 in)	75 of 100 (Major)
Davenport L&D 15	United States	Record daily snowfall	12.7 cm (5.0 in)	63 of 100 (Major)
Aledo	United States	Record daily snowfall	12.7 cm (5.0 in)	62 of 100 (Major)
La Harpe	United States	Record daily snowfall	20.3 cm (8.0 in)	61 of 100 (Major)
Columbus Junction	United States	Record daily snowfall	30.5 cm (12.0 in)	61 of 100 (Major)
Fairfield	United States	Record daily snowfall	11.4 cm (4.5 in)	61 of 100 (Major)
Galesburg	United States	Record daily snowfall	15.2 cm (6.0 in)	60 of 100 (Major)
Parau	Brazil	Record daily precipitation	50.5 mm (2.0 in)	59 of 100 (Notable)
Mt Pleasant 1 SW	United States	Record snow depth	20.3 cm (8.0 in)	57 of 100 (Notable)
Burlington Muni AP	United States	Record snow depth	25.4 cm (10.0 in)	57 of 100 (Notable)
Delaware 3 WSW	United States	Record daily snowfall	10.2 cm (4.0 in)	56 of 100 (Notable)
Pella 1S	United States	Record daily snowfall	15.2 cm (6.0 in)	56 of 100 (Notable)
Muscatine	United States	Record daily snowfall	22.9 cm (9.0 in)	55 of 100 (Notable)
Monmouth	United States	Record snow depth	20.3 cm (8.0 in)	52 of 100 (Notable)
Marion	United States	Record daily snowfall	11.4 cm (4.5 in)	52 of 100 (Notable)
Stockton 3NNE	United States	Record daily snowfall	10.2 cm (4.0 in)	51 of 100 (Notable)
Osceola	United States	Record daily snowfall	7.6 cm (3.0 in)	51 of 100 (Notable)
Sedalia Wtp	United States	Record daily snowfall	10.2 cm (4.0 in)	51 of 100 (Notable)
Sitio Passagem	Brazil	Record daily precipitation	74.0 mm (2.9 in)	50 of 100 (Notable)
Sigmarszell-Zeisertsweiler	Germany	Record daily precipitation	41.3 mm (1.6 in)	50 of 100 (Notable)
Princeville	United States	Record daily snowfall	12.7 cm (5.0 in)	50 of 100 (Notable)
Mt Pleasant 1 SW	United States	Record daily snowfall	20.3 cm (8.0 in)	50 of 100 (Notable)
Keosauqua	United States	Record snow depth	20.3 cm (8.0 in)	49 of 100 (Notable)
Illinois City Dam 16	United States	Record daily snowfall	15.2 cm (6.0 in)	48 of 100 (Notable)
Piracuruca	Brazil	Record daily precipitation	53.6 mm (2.1 in)	47 of 100 (Notable)
Catole Do Rocha	Brazil	Record daily precipitation	37.2 mm (1.5 in)	46 of 100 (Notable)
Walnut	United States	Record snow depth	10.2 cm (4.0 in)	46 of 100 (Notable)
Guthrie Ctr	United States	Record daily snowfall	8.9 cm (3.5 in)	46 of 100 (Notable)
Baependi	Brazil	Record daily precipitation	52.8 mm (2.1 in)	45 of 100 (Notable)
Talladega	United States	Record daily precipitation	45.7 mm (1.8 in)	45 of 100 (Notable)
Amity	United States	Record daily precipitation	88.9 mm (3.5 in)	45 of 100 (Notable)
Talbotton	United States	Record daily precipitation	47.0 mm (1.9 in)	45 of 100 (Notable)
Keithsburg	United States	Record daily snowfall	17.8 cm (7.0 in)	45 of 100 (Notable)
Ninety Nine Is	United States	Record daily precipitation	62.0 mm (2.4 in)	45 of 100 (Notable)
Moline Quad City Intl AP	United States	Record snow depth	15.2 cm (6.0 in)	45 of 100 (Notable)
Willow Sprg Radio Kuku	United States	Record daily snowfall	7.6 cm (3.0 in)	44 of 100 (Notable)
Rocksprings	United States	Record low minimum temperature	-7.8 C (18.0 F)	44 of 100 (Notable)
Concordia	United States	Record daily snowfall	6.4 cm (2.5 in)	43 of 100 (Notable)
Bathurst Gaol	Australia	Record low minimum temperature	2.0 C (35.6 F)	42 of 100 (Notable)
Benton	United States	Record daily precipitation	53.3 mm (2.1 in)	42 of 100 (Notable)
Labelle	United States	Record daily snowfall	25.4 cm (10.0 in)	42 of 100 (Notable)
Fortaleza (Escola Regional)	Brazil	Record daily precipitation	26.4 mm (1.0 in)	41 of 100 (Notable)
Monmouth	United States	Record daily snowfall	17.8 cm (7.0 in)	41 of 100 (Notable)
Morrison	United States	Record daily snowfall	15.2 cm (6.0 in)	41 of 100 (Notable)
Mt Carroll	United States	Record daily snowfall	10.2 cm (4.0 in)	41 of 100 (Notable)
Bellevue L/D 12	United States	Record daily snowfall	7.6 cm (3.0 in)	41 of 100 (Notable)
Auxvasse 4 SSW	United States	Record daily snowfall	15.2 cm (6.0 in)	41 of 100 (Notable)
Aurora Water	United States	Record daily snowfall	7.1 cm (2.8 in)	40 of 100 (Notable)
Maquoketa	United States	Record daily snowfall	15.2 cm (6.0 in)	40 of 100 (Notable)
Chandler	United States	Record daily snowfall	6.4 cm (2.5 in)	40 of 100 (Notable)
Shawnee	United States	Record daily snowfall	6.4 cm (2.5 in)	40 of 100 (Notable)
Charlotte Douglas AP	United States	Record daily precipitation	53.1 mm (2.1 in)	40 of 100 (Notable)
Tanana AP	United States	Record daily snowfall	9.7 cm (3.8 in)	40 of 100 (Notable)
Gilbert	United States	Record daily snowfall	10.2 cm (4.0 in)	39 of 100 (Notable)
Aledo	United States	Record snow depth	17.8 cm (7.0 in)	39 of 100 (Notable)
Chariton 1 E	United States	Record daily snowfall	12.7 cm (5.0 in)	39 of 100 (Notable)
Memphis	United States	Record daily snowfall	20.3 cm (8.0 in)	39 of 100 (Notable)
Wagoner	United States	Record daily snowfall	5.1 cm (2.0 in)	39 of 100 (Notable)
Donnellson	United States	Record daily precipitation	28.4 mm (1.1 in)	38 of 100 (Notable)
Brevard	United States	Record daily snowfall	5.1 cm (2.0 in)	38 of 100 (Notable)

Counts by Type and Timescale

912 records

Records set or tied on 30 November 1974 by type: Highest daily maximum 23, Lowest daily maximum 190, Highest daily minimum 14, Lowest daily minimum 141, Heaviest daily rainfall 324, Heaviest daily snowfall 179, Deepest snow cover 41.

Records on 30 November 1974 by type
Record type	Records
Highest daily maximum	23
Lowest daily maximum	190
Highest daily minimum	14
Lowest daily minimum	141
Heaviest daily rainfall	324
Heaviest daily snowfall	179
Deepest snow cover	41

Records on 30 November 1974 by timescale: all-time 1, monthly 71, daily 840.

How Much Records Were Beaten By

779 broken records

Margins by which the 779 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 340.0. Ties are not counted.

Top 20 by Significance

30 November 1974

Top 20 records on 30 November 1974 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 November 1974	Wapello, US	monthly snowfall	22.1 cm (8.7 in)	11.9 cm (4.7 in)	72 years	75 of 100 (Major)
30 November 1974	Davenport L&D 15, US	daily snowfall	12.7 cm (5.0 in)	11.9 cm (4.7 in)	67 years	63 of 100 (Major)
30 November 1974	Aledo, US	daily snowfall	12.7 cm (5.0 in)	12.2 cm (4.8 in)	67 years	62 of 100 (Major)
30 November 1974	La Harpe, US	monthly snowfall	20.3 cm (8.0 in)	9.9 cm (3.9 in)	32 years	61 of 100 (Major)
30 November 1974	Columbus Junction, US	monthly snowfall	30.5 cm (12.0 in)	15.3 cm (6.0 in)	15 years	61 of 100 (Major)
30 November 1974	Fairfield, US	daily snowfall	11.4 cm (4.5 in)	10.9 cm (4.3 in)	44 years	61 of 100 (Major)
30 November 1974	Galesburg, US	daily snowfall	15.2 cm (6.0 in)	14.7 cm (5.8 in)	44 years	60 of 100 (Major)
30 November 1974	Parau, BR	monthly rain	50.5 mm (2.0 in)	33.2 mm (1.3 in)	39 years	59 of 100 (Notable)
30 November 1974	Mt Pleasant 1 SW, US	monthly snow depth	20.3 cm (8.0 in)	5.1 cm (2.0 in)	72 years	57 of 100 (Notable)
30 November 1974	Burlington Muni AP, US	monthly snow depth	25.4 cm (10.0 in)	12.7 cm (5.0 in)	0 years	57 of 100 (Notable)
30 November 1974	Delaware 3 WSW, US	daily snowfall	10.2 cm (4.0 in)	10.2 cm (4.0 in)	78 years	56 of 100 (Notable)
30 November 1974	Pella 1S, US	daily snowfall	15.2 cm (6.0 in)	13.9 cm (5.5 in)	51 years	56 of 100 (Notable)
30 November 1974	Muscatine, US	daily snowfall	22.9 cm (9.0 in)	22.9 cm (9.0 in)	39 years	55 of 100 (Notable)
30 November 1974	Monmouth, US	daily snow depth	20.3 cm (8.0 in)	15.2 cm (6.0 in)	32 years	52 of 100 (Notable)
30 November 1974	Marion, US	daily snowfall	11.4 cm (4.5 in)	11.4 cm (4.5 in)	75 years	52 of 100 (Notable)
30 November 1974	Stockton 3NNE, US	daily snowfall	10.2 cm (4.0 in)	10.2 cm (4.0 in)	31 years	51 of 100 (Notable)
30 November 1974	Osceola, US	daily snowfall	7.6 cm (3.0 in)	7.6 cm (3.0 in)	79 years	51 of 100 (Notable)
30 November 1974	Sedalia Wtp, US	daily snowfall	10.2 cm (4.0 in)	10.2 cm (4.0 in)	79 years	51 of 100 (Notable)
30 November 1974	Sitio Passagem, BR	monthly rain	74.0 mm (2.9 in)	29.2 mm (1.1 in)	27 years	50 of 100 (Notable)
30 November 1974	Sigmarszell-Zeisertsweiler, DE	daily rain	41.3 mm (1.6 in)	29.8 mm (1.2 in)	39 years	50 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

1797 to 1974

Records set or tied on this calendar date in each year from 1797 to 1974. 1974 had 912 records.

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

Records on 11-30 in each year
Year	Records
1797	1
1799	2
1807	2
1815	2
1817	1
1821	1
1827	2
1836	1
1840	1
1846	1
1849	2
1866	1
1867	1
1871	2
1875	7
1876	2
1879	2
1881	1
1885	7
1886	1
1887	2
1888	1
1889	3
1890	2
1891	2
1892	2
1893	3
1894	1
1895	7
1896	5
1897	5
1898	1
1899	7
1900	4
1901	8
1902	7
1903	22
1904	6
1905	16
1906	21
1907	6
1908	51
1909	20
1910	22
1911	22
1912	19
1913	54
1914	68
1915	37
1916	64
1917	26
1918	32
1919	87
1920	138
1921	42
1922	46
1923	144
1924	95
1925	102
1926	84
1927	600
1928	187
1929	883
1930	185
1931	375
1932	372
1933	1,006
1934	1,282
1935	84
1936	186
1937	375
1938	165
1939	321
1940	330
1941	298
1942	218
1943	238
1944	422
1945	147
1946	343
1947	544
1948	332
1949	323
1950	382
1951	348
1952	829
1953	307
1954	470
1955	576
1956	304
1957	226
1958	676
1959	339
1960	219
1961	412
1962	802
1963	566
1964	1,042
1965	309
1966	730
1967	802
1968	516
1969	625
1970	995
1971	501
1972	414
1973	635
1974	912
1975	2,018
1976	1,789
1977	935
1978	761
1979	837
1980	697
1981	1,361
1982	1,142
1983	1,137
1984	571
1985	2,887
1986	798
1987	913
1988	686
1989	781
1990	483
1991	2,104
1992	676
1993	756
1994	762
1995	1,472
1996	1,054
1997	987
1998	2,289
1999	1,170
2000	962
2001	1,431
2002	862
2003	634
2004	1,344
2005	883
2006	2,656
2007	739
2008	855
2009	951
2010	1,915
2011	1,108
2012	1,059
2013	505
2014	822
2015	880
2016	634
2017	307
2018	493
2019	1,060
2020	323
2021	1,049
2022	559
2023	583
2024	672
2025	858

Download the Data

Data for records on 1974-11-30: 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 2026-10-16. Last revised 16 October 2026 (2026-10-16).

Margin	Records
0 to 50	678
50 to 100	64
100 to 150	32
150 to 200	3
200 to 250	1
250 to 300	0
300 to 350	1