Weather Records on 21 July 1951

427 weather records were set or tied worldwide on 21 July 1951. Highest significance: Prairie du Sac 2 N, US.

Key Facts for 21 July 1951

On 21 July 1951, 427 weather records were set or tied at long-record stations worldwide.
133 were record highs and 140 were record lows, counting maximum and minimum temperature.
By timescale, 6 were all-time records, 12 monthly and 409 daily.
Prairie du Sac 2 N set an all-time record daily precipitation of 128.3 mm (5.1 in) on 21 July 1951.
Across 159 earlier years (1794 to 2026) the same calendar date averaged 467 records.

Record Map

427 stations

427 station records on 21 July 1951 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 July 1951: highest significance records shown on the map
Station	Country	Type	Value	Significance
Prairie du Sac 2 N	United States	Record daily precipitation	128.3 mm (5.1 in)	61 of 100 (Major)
Konda	India	Record daily precipitation	74.4 mm (2.9 in)	58 of 100 (Notable)
La Crosse River	United States	Record daily precipitation	96.0 mm (3.8 in)	57 of 100 (Notable)
Umerkhed	India	Record daily precipitation	185.4 mm (7.3 in)	54 of 100 (Notable)
Vishakhapatnam	India	Record daily precipitation	84.6 mm (3.3 in)	53 of 100 (Notable)
Malakapuram	India	Record daily precipitation	70.1 mm (2.8 in)	53 of 100 (Notable)
Maple Plain	United States	Record daily precipitation	88.9 mm (3.5 in)	52 of 100 (Notable)
Kinglake	Australia	Record daily precipitation	42.2 mm (1.7 in)	50 of 100 (Notable)
Lower Mill Creek	United States	Record daily precipitation	39.9 mm (1.6 in)	49 of 100 (Notable)
Dhulia	India	Record daily precipitation	74.7 mm (2.9 in)	47 of 100 (Notable)
Oshkosh	United States	Record daily precipitation	37.6 mm (1.5 in)	47 of 100 (Notable)
Pine Bluffs	United States	Record daily precipitation	38.1 mm (1.5 in)	44 of 100 (Notable)
River Falls	United States	Record daily precipitation	67.8 mm (2.7 in)	43 of 100 (Notable)
Mocambo	Brazil	Record daily precipitation	38.0 mm (1.5 in)	40 of 100 (Notable)
Faribault	United States	Record daily precipitation	135.9 mm (5.4 in)	40 of 100 (Notable)
Caledonia	United States	Record daily precipitation	167.6 mm (6.6 in)	39 of 100 (Notable)
Viroqua	United States	Record daily precipitation	210.8 mm (8.3 in)	39 of 100 (Notable)
Sindkheda	India	Record daily precipitation	52.3 mm (2.1 in)	38 of 100 (Notable)
Mtn Dell Dam	United States	Record daily precipitation	29.5 mm (1.2 in)	38 of 100 (Notable)
Orenburg	Russia	Record high minimum temperature	24.8 C (76.6 F)	37 of 100 (Notable)
Przhevalsk	Kyrgyzstan	Record daily precipitation	31.8 mm (1.3 in)	36 of 100 (Notable)
Winona	United States	Record daily precipitation	87.9 mm (3.5 in)	36 of 100 (Notable)
Haiku 490	United States	Record low minimum temperature	16.7 C (62.1 F)	36 of 100 (Notable)
Wallaceburg	Canada	Record daily precipitation	48.0 mm (1.9 in)	34 of 100 (Routine)
Bhadrachalam	India	Record daily precipitation	95.3 mm (3.8 in)	34 of 100 (Routine)
Donegaon	India	Record daily precipitation	121.2 mm (4.8 in)	34 of 100 (Routine)
Wandering Comparison	Australia	Record low minimum temperature	-4.4 C (24.1 F)	32 of 100 (Routine)
Oakdale	United States	Record daily precipitation	34.5 mm (1.4 in)	32 of 100 (Routine)
Gayndah Post Office	Australia	Record low maximum temperature	14.6 C (58.3 F)	31 of 100 (Routine)
Allansford	Australia	Record daily precipitation	27.2 mm (1.1 in)	31 of 100 (Routine)
Kanin Nos	Russia	Record daily precipitation	29.6 mm (1.2 in)	31 of 100 (Routine)
Burketown Post Office	Australia	Record low maximum temperature	19.4 C (66.9 F)	30 of 100 (Routine)
Newport	United States	Record high minimum temperature	26.1 C (79.0 F)	30 of 100 (Routine)
Ufa	Russia	Record high minimum temperature	24.5 C (76.1 F)	29 of 100 (Routine)
Harrison	United States	Record low maximum temperature	18.3 C (64.9 F)	29 of 100 (Routine)
Richmond Post Office	Australia	Record low maximum temperature	16.1 C (61.0 F)	28 of 100 (Routine)
Richmond Post Office	Australia	Record low minimum temperature	-2.2 C (28.0 F)	28 of 100 (Routine)
Silvan	Australia	Record daily precipitation	34.5 mm (1.4 in)	28 of 100 (Routine)
Sandvig	Denmark	Record low minimum temperature	9.0 C (48.2 F)	28 of 100 (Routine)
Farmington 3NW	United States	Record daily precipitation	82.6 mm (3.3 in)	28 of 100 (Routine)
Longreach Post Office	Australia	Record low maximum temperature	14.4 C (57.9 F)	27 of 100 (Routine)
Holyoke	United States	Record daily precipitation	25.9 mm (1.0 in)	27 of 100 (Routine)
Johnson 11 ESE	United States	Record daily precipitation	33.0 mm (1.3 in)	27 of 100 (Routine)
Ericson 8 WNW	United States	Record daily precipitation	28.4 mm (1.1 in)	27 of 100 (Routine)
Agricultural College	United States	Record high maximum temperature	38.9 C (102.0 F)	27 of 100 (Routine)
Rochester Intl AP	United States	Record daily precipitation	80.8 mm (3.2 in)	27 of 100 (Routine)
Warragul (Carbethon)	Australia	Record daily precipitation	27.4 mm (1.1 in)	26 of 100 (Routine)
Gembrook	Australia	Record daily precipitation	46.5 mm (1.8 in)	26 of 100 (Routine)
Winkelman 6 S	United States	Record high maximum temperature	42.2 C (108.0 F)	26 of 100 (Routine)
Fayette 4 SW	United States	Record daily precipitation	40.1 mm (1.6 in)	26 of 100 (Routine)
Sussex 1 NW	United States	Record low minimum temperature	5.0 C (41.0 F)	25 of 100 (Routine)
Kiolakaa 7	United States	Record high minimum temperature	21.7 C (71.1 F)	25 of 100 (Routine)
Mount McIntyre	Australia	Record daily precipitation	30.5 mm (1.2 in)	24 of 100 (Routine)
Goondiwindi Post Office	Australia	Record low maximum temperature	11.1 C (52.0 F)	24 of 100 (Routine)
Charleville Post Office	Australia	Record low minimum temperature	-4.7 C (23.5 F)	24 of 100 (Routine)
Croydon (Samuel Street)	Australia	Record daily precipitation	27.4 mm (1.1 in)	24 of 100 (Routine)
Saunur(Savnur)	India	Record daily precipitation	25.9 mm (1.0 in)	24 of 100 (Routine)
Jennings	United States	Record high minimum temperature	26.7 C (80.1 F)	24 of 100 (Routine)
San Jon	United States	Record high minimum temperature	25.0 C (77.0 F)	24 of 100 (Routine)
Port Orford 2	United States	Record low minimum temperature	5.6 C (42.1 F)	24 of 100 (Routine)

Counts by Type and Timescale

427 records

Records set or tied on 21 July 1951 by type: Highest daily maximum 60, Lowest daily maximum 57, Highest daily minimum 73, Lowest daily minimum 83, Heaviest daily rainfall 154.

Records on 21 July 1951 by type
Record type	Records
Highest daily maximum	60
Lowest daily maximum	57
Highest daily minimum	73
Lowest daily minimum	83
Heaviest daily rainfall	154
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 21 July 1951 by timescale: all-time 6, monthly 12, daily 409.

How Much Records Were Beaten By

327 broken records

Margins by which the 327 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 72.9. Ties are not counted.

Top 20 by Significance

21 July 1951

Top 20 records on 21 July 1951 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 July 1951	Prairie du Sac 2 N, US	all-time rain	128.3 mm (5.1 in)	29.2 mm (1.1 in)	34 years	61 of 100 (Major)
21 July 1951	Konda, IN	daily rain	74.4 mm (2.9 in)	55.3 mm (2.2 in)	44 years	58 of 100 (Notable)
21 July 1951	La Crosse River, US	daily rain	96.0 mm (3.8 in)	72.9 mm (2.9 in)	38 years	57 of 100 (Notable)
21 July 1951	Umerkhed, IN	all-time rain	185.4 mm (7.3 in)	32.0 mm (1.3 in)	37 years	54 of 100 (Notable)
21 July 1951	Vishakhapatnam, IN	daily rain	84.6 mm (3.3 in)	63.3 mm (2.5 in)	28 years	53 of 100 (Notable)
21 July 1951	Malakapuram, IN	daily rain	70.1 mm (2.8 in)	49.8 mm (2.0 in)	28 years	53 of 100 (Notable)
21 July 1951	Maple Plain, US	daily rain	88.9 mm (3.5 in)	65.3 mm (2.6 in)	24 years	52 of 100 (Notable)
21 July 1951	Kinglake, AU	daily rain	42.2 mm (1.7 in)	25.9 mm (1.0 in)	38 years	50 of 100 (Notable)
21 July 1951	Lower Mill Creek, US	monthly rain	39.9 mm (1.6 in)	16.8 mm (0.7 in)	14 years	49 of 100 (Notable)
21 July 1951	Dhulia, IN	daily rain	74.7 mm (2.9 in)	49.0 mm (1.9 in)	22 years	47 of 100 (Notable)
21 July 1951	Oshkosh, US	daily rain	37.6 mm (1.5 in)	31.5 mm (1.2 in)	32 years	47 of 100 (Notable)
21 July 1951	Pine Bluffs, US	daily rain	38.1 mm (1.5 in)	27.2 mm (1.1 in)	6 years	44 of 100 (Notable)
21 July 1951	River Falls, US	daily rain	67.8 mm (2.7 in)	42.4 mm (1.7 in)	32 years	43 of 100 (Notable)
21 July 1951	Mocambo, BR	daily rain	38.0 mm (1.5 in)	24.8 mm (1.0 in)	14 years	40 of 100 (Notable)
21 July 1951	Faribault, US	all-time rain	135.9 mm (5.4 in)	0.3 mm (0.01 in)	50 years	40 of 100 (Notable)
21 July 1951	Caledonia, US	all-time rain	167.6 mm (6.6 in)	2.5 mm (0.10 in)	43 years	39 of 100 (Notable)
21 July 1951	Viroqua, US	daily rain	210.8 mm (8.3 in)	37.3 mm (1.5 in)	44 years	39 of 100 (Notable)
21 July 1951	Sindkheda, IN	daily rain	52.3 mm (2.1 in)	29.4 mm (1.2 in)	48 years	38 of 100 (Notable)
21 July 1951	Mtn Dell Dam, US	daily rain	29.5 mm (1.2 in)	17.6 mm (0.7 in)	16 years	38 of 100 (Notable)
21 July 1951	Orenburg, RU	daily high min	24.8 C (76.6 F)	4.6 C (8.3 F)	57 years	37 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

1794 to 1951

Records set or tied on this calendar date in each year from 1794 to 1951. 1951 had 427 records.

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

Records on 07-21 in each year
Year	Records
1794	1
1795	1
1796	1
1797	1
1813	2
1832	2
1837	1
1839	1
1843	1
1844	2
1854	1
1859	3
1865	3
1868	3
1872	1
1876	1
1879	2
1880	1
1881	1
1884	1
1885	1
1886	2
1888	2
1889	3
1890	2
1892	3
1893	3
1894	3
1895	1
1896	3
1897	4
1898	7
1899	2
1900	6
1901	13
1902	12
1903	10
1904	8
1905	13
1906	13
1907	12
1908	25
1909	18
1910	12
1911	37
1912	52
1913	41
1914	48
1915	81
1916	72
1917	136
1918	130
1919	51
1920	33
1921	55
1922	48
1923	132
1924	286
1925	202
1926	401
1927	191
1928	205
1929	360
1930	521
1931	549
1932	322
1933	208
1934	965
1935	236
1936	322
1937	253
1938	638
1939	415
1940	318
1941	226
1942	318
1943	253
1944	716
1945	300
1946	398
1947	795
1948	403
1949	603
1950	662
1951	427
1952	657
1953	351
1954	656
1955	582
1956	490
1957	447
1958	531
1959	940
1960	651
1961	388
1962	263
1963	470
1964	457
1965	748
1966	626
1967	313
1968	334
1969	636
1970	1,241
1971	475
1972	1,046
1973	871
1974	536
1975	380
1976	477
1977	708
1978	1,155
1979	964
1980	926
1981	1,352
1982	588
1983	1,234
1984	764
1985	554
1986	791
1987	1,025
1988	1,015
1989	973
1990	914
1991	812
1992	1,562
1993	866
1994	773
1995	1,247
1996	1,141
1997	849
1998	1,674
1999	814
2000	1,230
2001	889
2002	990
2003	1,250
2004	694
2005	1,420
2006	1,479
2007	1,145
2008	989
2009	1,306
2010	1,148
2011	1,414
2012	815
2013	526
2014	762
2015	704
2016	645
2017	433
2018	942
2019	755
2020	363
2021	574
2022	866
2023	816
2024	873
2025	881
2026	874

Download the Data

Data for records on 1951-07-21: 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 10	278
10 to 20	25
20 to 30	10
30 to 40	6
40 to 50	4
50 to 60	1
60 to 70	2
70 to 80	1