Weather Records on 30 October 1951

373 weather records were set or tied worldwide on 30 October 1951. Highest significance: Willcox, US.

Key Facts for 30 October 1951

On 30 October 1951, 373 weather records were set or tied at long-record stations worldwide.
98 were record highs and 37 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 27 monthly and 344 daily.
Willcox set a monthly record daily precipitation of 60.2 mm (2.4 in) on 30 October 1951.
Across 153 earlier years (1799 to 2025) the same calendar date averaged 491 records.

Record Map

373 stations

373 station records on 30 October 1951 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 October 1951: highest significance records shown on the map
Station	Country	Type	Value	Significance
Willcox	United States	Record daily precipitation	60.2 mm (2.4 in)	62 of 100 (Major)
White River	Canada	Record daily snowfall	19.6 cm (7.7 in)	56 of 100 (Notable)
Pau Dos Ferros	Brazil	Record daily precipitation	63.0 mm (2.5 in)	55 of 100 (Notable)
Bowie	United States	Record daily precipitation	69.9 mm (2.8 in)	54 of 100 (Notable)
Tucson WFO	United States	Record daily precipitation	41.1 mm (1.6 in)	53 of 100 (Notable)
Park Falls Dnr HQ	United States	Record daily snowfall	22.9 cm (9.0 in)	52 of 100 (Notable)
Cochise 4 SSE	United States	Record daily precipitation	41.9 mm (1.6 in)	50 of 100 (Notable)
Balfour (Mag)	South Africa	Record daily precipitation	100.1 mm (3.9 in)	49 of 100 (Notable)
Hana 354	United States	Record daily precipitation	55.4 mm (2.2 in)	49 of 100 (Notable)
Sandy Lake Dam Libby	United States	Record daily snowfall	30.5 cm (12.0 in)	48 of 100 (Notable)
Moorhead St Teachers C	United States	Record daily snowfall	17.8 cm (7.0 in)	47 of 100 (Notable)
Ashland Exp Farm	United States	Record daily snowfall	14.0 cm (5.5 in)	46 of 100 (Notable)
Winnibigoshish Dam	United States	Record daily snowfall	19.1 cm (7.5 in)	43 of 100 (Notable)
San Simon	United States	Record daily precipitation	28.4 mm (1.1 in)	41 of 100 (Notable)
Bogantungan Post Office	Australia	Record daily precipitation	35.6 mm (1.4 in)	40 of 100 (Notable)
Nogales	United States	Record daily precipitation	43.2 mm (1.7 in)	40 of 100 (Notable)
Pet Jorhat	India	Record daily precipitation	45.7 mm (1.8 in)	39 of 100 (Notable)
Alipurduar	India	Record daily precipitation	93.2 mm (3.7 in)	39 of 100 (Notable)
Park Falls Dnr HQ	United States	Record daily precipitation	32.0 mm (1.3 in)	38 of 100 (Notable)
Hettinger	United States	Record daily snowfall	10.2 cm (4.0 in)	36 of 100 (Notable)
Superior	United States	Record daily snowfall	10.2 cm (4.0 in)	36 of 100 (Notable)
Wawaitin	Canada	Record daily snowfall	21.8 cm (8.6 in)	34 of 100 (Routine)
Gyzylarbat	Turkmenistan	Record daily precipitation	35.8 mm (1.4 in)	34 of 100 (Routine)
Sagunbari	India	Record daily precipitation	58.4 mm (2.3 in)	33 of 100 (Routine)
Kapuskasing Cda	Canada	Record daily snowfall	22.9 cm (9.0 in)	32 of 100 (Routine)
Mora	United States	Record daily snowfall	20.3 cm (8.0 in)	32 of 100 (Routine)
Park Rch	United States	Record daily precipitation	32.5 mm (1.3 in)	32 of 100 (Routine)
Spooner Ag Rsch STN	United States	Record daily snowfall	10.2 cm (4.0 in)	32 of 100 (Routine)
Bairgania	India	Record daily precipitation	39.9 mm (1.6 in)	31 of 100 (Routine)
Southern Cross	Australia	Record high minimum temperature	20.4 C (68.7 F)	30 of 100 (Routine)
Mazbat(Majbat)	India	Record daily precipitation	29.7 mm (1.2 in)	30 of 100 (Routine)
Leech Lake	United States	Record daily snowfall	27.9 cm (11.0 in)	30 of 100 (Routine)
Pine Rvr Dam	United States	Record daily snowfall	22.9 cm (9.0 in)	30 of 100 (Routine)
Two Harbors	United States	Record daily snowfall	17.8 cm (7.0 in)	30 of 100 (Routine)
Winkelman 6 S	United States	Record daily precipitation	30.5 mm (1.2 in)	29 of 100 (Routine)
Park Rapids Muni AP	United States	Record daily snowfall	15.2 cm (6.0 in)	29 of 100 (Routine)
Kakabeka Falls	Canada	Record daily snowfall	7.6 cm (3.0 in)	28 of 100 (Routine)
Seleng	India	Record daily precipitation	45.2 mm (1.8 in)	28 of 100 (Routine)
Maricopa 9 SSW	United States	Record daily precipitation	27.9 mm (1.1 in)	28 of 100 (Routine)
Virginia	United States	Record daily snowfall	25.4 cm (10.0 in)	28 of 100 (Routine)
Medicine Hat A	Canada	Record daily snowfall	5.1 cm (2.0 in)	27 of 100 (Routine)
Brainerd	United States	Record daily snowfall	17.8 cm (7.0 in)	27 of 100 (Routine)
Fergus Falls	United States	Record daily snowfall	10.2 cm (4.0 in)	27 of 100 (Routine)
Gage	United States	Record daily precipitation	29.5 mm (1.2 in)	27 of 100 (Routine)
Otto FAA AP	United States	Record high minimum temperature	7.8 C (46.0 F)	27 of 100 (Routine)
Potgietersrus	South Africa	Record daily precipitation	37.8 mm (1.5 in)	26 of 100 (Routine)
Pleasant Valley	United States	Record daily snowfall	5.1 cm (2.0 in)	26 of 100 (Routine)
Mana 1026	United States	Record daily precipitation	61.7 mm (2.4 in)	26 of 100 (Routine)
Mountain View	Canada	Record daily snowfall	15.2 cm (6.0 in)	25 of 100 (Routine)
Amguri	India	Record daily precipitation	34.8 mm (1.4 in)	25 of 100 (Routine)
Derby	South Africa	Record daily precipitation	27.7 mm (1.1 in)	25 of 100 (Routine)
Warner Springs	United States	Record daily precipitation	25.9 mm (1.0 in)	25 of 100 (Routine)
Fraser	United States	Record high minimum temperature	1.1 C (34.0 F)	25 of 100 (Routine)
Meeker	United States	Record high minimum temperature	3.3 C (37.9 F)	25 of 100 (Routine)
Ironwood	United States	Record daily snowfall	11.4 cm (4.5 in)	25 of 100 (Routine)
Kaanapali AP 453.1	United States	Record daily precipitation	28.2 mm (1.1 in)	25 of 100 (Routine)
Hornepayne	Canada	Record daily precipitation	30.5 mm (1.2 in)	24 of 100 (Routine)
Marseille Obs. Palais-Lonchamp	France	Record daily precipitation	106.8 mm (4.2 in)	24 of 100 (Routine)
Mahendraganj	India	Record daily precipitation	52.1 mm (2.1 in)	24 of 100 (Routine)
Bird Island	United States	Record daily snowfall	5.1 cm (2.0 in)	24 of 100 (Routine)

Counts by Type and Timescale

373 records

Records set or tied on 30 October 1951 by type: Highest daily maximum 47, Lowest daily maximum 20, Highest daily minimum 51, Lowest daily minimum 17, Heaviest daily rainfall 163, Heaviest daily snowfall 68, Deepest snow cover 7.

Records on 30 October 1951 by type
Record type	Records
Highest daily maximum	47
Lowest daily maximum	20
Highest daily minimum	51
Lowest daily minimum	17
Heaviest daily rainfall	163
Heaviest daily snowfall	68
Deepest snow cover	7

Records on 30 October 1951 by timescale: all-time 2, monthly 27, daily 344.

How Much Records Were Beaten By

305 broken records

Margins by which the 305 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 297.0. Ties are not counted.

Top 20 by Significance

30 October 1951

Top 20 records on 30 October 1951 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 October 1951	Willcox, US	monthly rain	60.2 mm (2.4 in)	27.2 mm (1.1 in)	37 years	62 of 100 (Major)
30 October 1951	White River, CA	daily snowfall	19.6 cm (7.7 in)	17.8 cm (7.0 in)	33 years	56 of 100 (Notable)
30 October 1951	Pau Dos Ferros, BR	daily rain	63.0 mm (2.5 in)	62.3 mm (2.5 in)	37 years	55 of 100 (Notable)
30 October 1951	Bowie, US	all-time rain	69.9 mm (2.8 in)	18.3 mm (0.7 in)	29 years	54 of 100 (Notable)
30 October 1951	Tucson WFO, US	daily rain	41.1 mm (1.6 in)	24.1 mm (0.9 in)	36 years	53 of 100 (Notable)
30 October 1951	Park Falls Dnr HQ, US	monthly snowfall	22.9 cm (9.0 in)	10.2 cm (4.0 in)	26 years	52 of 100 (Notable)
30 October 1951	Cochise 4 SSE, US	monthly rain	41.9 mm (1.6 in)	15.2 mm (0.6 in)	40 years	50 of 100 (Notable)
30 October 1951	Balfour (Mag), ZA	monthly rain	100.1 mm (3.9 in)	23.9 mm (0.9 in)	31 years	49 of 100 (Notable)
30 October 1951	Hana 354, US	daily rain	55.4 mm (2.2 in)	36.1 mm (1.4 in)	20 years	49 of 100 (Notable)
30 October 1951	Sandy Lake Dam Libby, US	daily snowfall	30.5 cm (12.0 in)	29.7 cm (11.7 in)	12 years	48 of 100 (Notable)
30 October 1951	Moorhead St Teachers C, US	monthly snowfall	17.8 cm (7.0 in)	6.4 cm (2.5 in)	22 years	47 of 100 (Notable)
30 October 1951	Ashland Exp Farm, US	daily snowfall	14.0 cm (5.5 in)	14.0 cm (5.5 in)	45 years	46 of 100 (Notable)
30 October 1951	Winnibigoshish Dam, US	daily snowfall	19.1 cm (7.5 in)	15.8 cm (6.2 in)	21 years	43 of 100 (Notable)
30 October 1951	San Simon, US	daily rain	28.4 mm (1.1 in)	26.9 mm (1.1 in)	24 years	41 of 100 (Notable)
30 October 1951	Bogantungan Post Office, AU	daily rain	35.6 mm (1.4 in)	24.7 mm (1.0 in)	56 years	40 of 100 (Notable)
30 October 1951	Nogales, US	monthly rain	43.2 mm (1.7 in)	12.5 mm (0.5 in)	23 years	40 of 100 (Notable)
30 October 1951	Pet Jorhat, IN	daily rain	45.7 mm (1.8 in)	42.7 mm (1.7 in)	20 years	39 of 100 (Notable)
30 October 1951	Alipurduar, IN	daily rain	93.2 mm (3.7 in)	86.8 mm (3.4 in)	22 years	39 of 100 (Notable)
30 October 1951	Park Falls Dnr HQ, US	daily rain	32.0 mm (1.3 in)	24.4 mm (1.0 in)	21 years	38 of 100 (Notable)
30 October 1951	Hettinger, US	daily snowfall	10.2 cm (4.0 in)	10.2 cm (4.0 in)	40 years	36 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

1799 to 1951

Records set or tied on this calendar date in each year from 1799 to 1951. 1951 had 373 records.

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

Records on 10-30 in each year
Year	Records
1799	1
1815	1
1837	1
1839	1
1841	1
1849	1
1856	1
1866	1
1867	1
1869	5
1870	1
1871	1
1873	2
1877	1
1881	4
1885	3
1886	2
1887	1
1888	1
1889	3
1890	4
1891	2
1892	3
1894	7
1896	4
1897	2
1898	2
1899	2
1900	3
1901	9
1902	6
1903	3
1904	1
1905	12
1906	25
1907	12
1908	14
1909	15
1910	22
1911	19
1912	28
1913	38
1914	22
1915	39
1916	23
1917	85
1918	189
1919	80
1920	73
1921	31
1922	108
1923	202
1924	246
1925	755
1926	131
1927	259
1928	195
1929	277
1930	228
1931	144
1932	181
1933	454
1934	198
1935	739
1936	253
1937	496
1938	245
1939	240
1940	251
1941	393
1942	877
1943	255
1944	497
1945	446
1946	826
1947	252
1948	326
1949	528
1950	1,186
1951	373
1952	635
1953	522
1954	276
1955	494
1956	716
1957	531
1958	366
1959	859
1960	258
1961	781
1962	382
1963	353
1964	488
1965	439
1966	490
1967	665
1968	555
1969	656
1970	636
1971	1,663
1972	902
1973	534
1974	1,039
1975	427
1976	760
1977	882
1978	359
1979	809
1980	885
1981	547
1982	534
1983	549
1984	1,270
1985	848
1986	422
1987	883
1988	972
1989	904
1990	685
1991	2,772
1992	1,228
1993	2,095
1994	777
1995	831
1996	1,299
1997	1,033
1998	771
1999	897
2000	1,659
2001	1,233
2002	1,564
2003	973
2004	1,188
2005	1,144
2006	886
2007	773
2008	1,310
2009	1,513
2010	619
2011	1,022
2012	1,413
2013	622
2014	297
2015	395
2016	981
2017	783
2018	507
2019	1,931
2020	683
2021	486
2022	762
2023	969
2024	1,393
2025	322

Download the Data

Data for records on 1951-10-30: 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 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Margin	Records
0 to 50	279
50 to 100	18
100 to 150	5
150 to 200	2
200 to 250	0
250 to 300	1