Weather Records on 31 July 1963

294 weather records were set or tied worldwide on 31 July 1963. Highest significance: Halmstad, SE.

Key Facts for 31 July 1963

On 31 July 1963, 294 weather records were set or tied at long-record stations worldwide.
73 were record highs and 94 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 0 monthly and 294 daily.
Halmstad set a daily record precipitation of 46.4 mm (1.8 in) on 31 July 1963.
Across 155 earlier years (1804 to 2026) the same calendar date averaged 472 records.

Record Map

294 stations

294 station records on 31 July 1963 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 31 July 1963: highest significance records shown on the map
Station	Country	Type	Value	Significance
Halmstad	Sweden	Record daily precipitation	46.4 mm (1.8 in)	62 of 100 (Major)
Wahoo	United States	Record daily precipitation	78.5 mm (3.1 in)	54 of 100 (Notable)
Mhew(Mhow)	India	Record daily precipitation	177.8 mm (7.0 in)	46 of 100 (Notable)
Walters	United States	Record daily precipitation	57.4 mm (2.3 in)	45 of 100 (Notable)
Nakodar	India	Record daily precipitation	97.2 mm (3.8 in)	44 of 100 (Notable)
Marinette	United States	Record daily precipitation	45.2 mm (1.8 in)	43 of 100 (Notable)
Wien	Austria	Record low minimum temperature	9.3 C (48.7 F)	42 of 100 (Notable)
Southampton	Canada	Record daily precipitation	31.2 mm (1.2 in)	41 of 100 (Notable)
Joao Pessoa	Brazil	Record daily precipitation	64.3 mm (2.5 in)	38 of 100 (Notable)
Pella 1S	United States	Record daily precipitation	46.2 mm (1.8 in)	38 of 100 (Notable)
Midland Water Pollution Contro	Canada	Record daily precipitation	27.9 mm (1.1 in)	36 of 100 (Notable)
Nohar	India	Record daily precipitation	66.0 mm (2.6 in)	33 of 100 (Routine)
Katangi	India	Record daily precipitation	128.2 mm (5.0 in)	32 of 100 (Routine)
Tobolsk	Russia	Record low minimum temperature	4.4 C (39.9 F)	32 of 100 (Routine)
Hedrum	Norway	Record daily precipitation	31.0 mm (1.2 in)	31 of 100 (Routine)
Vastervik	Sweden	Record low maximum temperature	17.8 C (64.0 F)	31 of 100 (Routine)
Castle Rock	United States	Record high maximum temperature	35.6 C (96.1 F)	31 of 100 (Routine)
Bikin	Russia	Record daily precipitation	38.2 mm (1.5 in)	30 of 100 (Routine)
Indore	India	Record daily precipitation	67.6 mm (2.7 in)	29 of 100 (Routine)
Canton 4 SE	United States	Record low minimum temperature	7.2 C (45.0 F)	29 of 100 (Routine)
Hugo	United States	Record daily precipitation	34.3 mm (1.4 in)	28 of 100 (Routine)
Jaipur Obsy Sr	India	Record daily precipitation	62.4 mm (2.5 in)	27 of 100 (Routine)
Kustanai	Kazakhstan	Record low minimum temperature	4.3 C (39.7 F)	27 of 100 (Routine)
Hugoton	United States	Record high maximum temperature	40.0 C (104.0 F)	27 of 100 (Routine)
Estancia 4N	United States	Record high maximum temperature	36.1 C (97.0 F)	27 of 100 (Routine)
Minsk	Belarus	Record high maximum temperature	29.9 C (85.8 F)	26 of 100 (Routine)
Wellton	United States	Record low maximum temperature	33.3 C (91.9 F)	26 of 100 (Routine)
Parkin 2 W	United States	Record daily precipitation	53.8 mm (2.1 in)	26 of 100 (Routine)
Gann Valley 4NW	United States	Record daily precipitation	25.9 mm (1.0 in)	26 of 100 (Routine)
Pahala 21	United States	Record low maximum temperature	23.9 C (75.0 F)	26 of 100 (Routine)
Sardarpur	India	Record daily precipitation	49.5 mm (1.9 in)	25 of 100 (Routine)
Petropavlovsk	Kazakhstan	Record low minimum temperature	5.2 C (41.4 F)	25 of 100 (Routine)
Cambridge	United States	Record low minimum temperature	3.9 C (39.0 F)	25 of 100 (Routine)
Syracuse	United States	Record daily precipitation	44.2 mm (1.7 in)	25 of 100 (Routine)
Vilsandi	Estonia	Record high maximum temperature	27.9 C (82.2 F)	24 of 100 (Routine)
Aralskoe More	Kazakhstan	Record low minimum temperature	14.1 C (57.4 F)	24 of 100 (Routine)
Kurgan	Russia	Record low minimum temperature	5.1 C (41.2 F)	24 of 100 (Routine)
Kristianstad	Sweden	Record daily precipitation	37.7 mm (1.5 in)	24 of 100 (Routine)
Dumas	United States	Record daily precipitation	43.2 mm (1.7 in)	24 of 100 (Routine)
Pembroke	United States	Record daily precipitation	36.1 mm (1.4 in)	24 of 100 (Routine)
Waren	Germany	Record low minimum temperature	8.5 C (47.3 F)	23 of 100 (Routine)
Aibonito 1 S	Puerto Rico [United States]	Record high minimum temperature	21.7 C (71.1 F)	23 of 100 (Routine)
Rucker Canyon	United States	Record daily precipitation	29.5 mm (1.2 in)	23 of 100 (Routine)
Dillon 1 E	United States	Record high maximum temperature	29.4 C (84.9 F)	23 of 100 (Routine)
Beaver	United States	Record high maximum temperature	41.1 C (106.0 F)	23 of 100 (Routine)
Hatfield	United States	Record daily precipitation	42.4 mm (1.7 in)	23 of 100 (Routine)
Manpur(Tappa)	India	Record daily precipitation	81.2 mm (3.2 in)	22 of 100 (Routine)
Big Falls	United States	Record daily precipitation	29.2 mm (1.1 in)	22 of 100 (Routine)
Cle Elum	United States	Record low maximum temperature	18.9 C (66.0 F)	22 of 100 (Routine)
Snoqualmie Falls	United States	Record low maximum temperature	16.7 C (62.1 F)	22 of 100 (Routine)
Palatka	United States	Record daily precipitation	61.5 mm (2.4 in)	21 of 100 (Routine)
New Orleans WSO City	United States	Record daily precipitation	66.5 mm (2.6 in)	21 of 100 (Routine)
Auburn 5 ESE	United States	Record daily precipitation	37.3 mm (1.5 in)	21 of 100 (Routine)
Cerro	United States	Record high maximum temperature	31.7 C (89.1 F)	21 of 100 (Routine)
Adrian	United States	Record low minimum temperature	8.9 C (48.0 F)	21 of 100 (Routine)
Neillsville 3ESE	United States	Record daily precipitation	37.3 mm (1.5 in)	21 of 100 (Routine)
Gore Bay	Canada	Record daily precipitation	24.9 mm (1.0 in)	20 of 100 (Routine)
Centralia	United States	Record daily precipitation	3.6 mm (0.14 in)	20 of 100 (Routine)
Weyerhaeuser 1N	United States	Record daily precipitation	24.1 mm (0.9 in)	20 of 100 (Routine)
Gyzylarbat	Turkmenistan	Record daily precipitation	1.4 mm (0.06 in)	20 of 100 (Routine)

Counts by Type and Timescale

294 records

Records set or tied on 31 July 1963 by type: Highest daily maximum 44, Lowest daily maximum 30, Highest daily minimum 29, Lowest daily minimum 64, Heaviest daily rainfall 127.

Records on 31 July 1963 by type
Record type	Records
Highest daily maximum	44
Lowest daily maximum	30
Highest daily minimum	29
Lowest daily minimum	64
Heaviest daily rainfall	127
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 31 July 1963 by timescale: all-time 0, monthly 0, daily 294.

How Much Records Were Beaten By

231 broken records

Margins by which the 231 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 157.0. Ties are not counted.

Top 20 by Significance

31 July 1963

Top 20 records on 31 July 1963 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
31 July 1963	Halmstad, SE	daily rain	46.4 mm (1.8 in)	23.4 mm (0.9 in)	75 years	62 of 100 (Major)
31 July 1963	Wahoo, US	daily rain	78.5 mm (3.1 in)	54.4 mm (2.1 in)	42 years	54 of 100 (Notable)
31 July 1963	Mhew(Mhow), IN	daily rain	177.8 mm (7.0 in)	157.0 mm (6.2 in)	10 years	46 of 100 (Notable)
31 July 1963	Walters, US	daily rain	57.4 mm (2.3 in)	55.1 mm (2.2 in)	25 years	45 of 100 (Notable)
31 July 1963	Nakodar, IN	daily rain	97.2 mm (3.8 in)	52.7 mm (2.1 in)	30 years	44 of 100 (Notable)
31 July 1963	Marinette, US	daily rain	45.2 mm (1.8 in)	24.9 mm (1.0 in)	40 years	43 of 100 (Notable)
31 July 1963	Wien, AT	daily low min	9.3 C (48.7 F)	2.0 C (3.6 F)	84 years	42 of 100 (Notable)
31 July 1963	Southampton, CA	daily rain	31.2 mm (1.2 in)	13.7 mm (0.5 in)	58 years	41 of 100 (Notable)
31 July 1963	Joao Pessoa, BR	daily rain	64.3 mm (2.5 in)	37.3 mm (1.5 in)	25 years	38 of 100 (Notable)
31 July 1963	Pella 1S, US	daily rain	46.2 mm (1.8 in)	20.8 mm (0.8 in)	64 years	38 of 100 (Notable)
31 July 1963	Midland Water Pollution Contro, CA	daily rain	27.9 mm (1.1 in)	11.4 mm (0.4 in)	60 years	36 of 100 (Notable)
31 July 1963	Nohar, IN	daily rain	66.0 mm (2.6 in)	46.7 mm (1.8 in)	18 years	33 of 100 (Routine)
31 July 1963	Katangi, IN	daily rain	128.2 mm (5.0 in)	39.3 mm (1.5 in)	33 years	32 of 100 (Routine)
31 July 1963	Tobolsk, RU	daily low min	4.4 C (39.9 F)	2.7 C (4.9 F)	61 years	32 of 100 (Routine)
31 July 1963	Hedrum, NO	daily rain	31.0 mm (1.2 in)	9.5 mm (0.37 in)	56 years	31 of 100 (Routine)
31 July 1963	Vastervik, SE	daily low max	17.8 C (64.0 F)	0.2 C (0.4 F)	78 years	31 of 100 (Routine)
31 July 1963	Castle Rock, US	daily high max	35.6 C (96.1 F)	2.3 C (4.1 F)	63 years	31 of 100 (Routine)
31 July 1963	Bikin, RU	daily rain	38.2 mm (1.5 in)	28.1 mm (1.1 in)	4 years	30 of 100 (Routine)
31 July 1963	Indore, IN	daily rain	67.6 mm (2.7 in)	28.0 mm (1.1 in)	44 years	29 of 100 (Routine)
31 July 1963	Canton 4 SE, US	daily low min	7.2 C (45.0 F)	1.1 C (2.0 F)	63 years	29 of 100 (Routine)

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

1804 to 1963

Records set or tied on this calendar date in each year from 1804 to 1963. 1963 had 294 records.

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

Records on 07-31 in each year
Year	Records
1804	1
1815	1
1816	1
1828	1
1834	1
1839	1
1840	1
1841	2
1851	1
1858	2
1860	4
1863	1
1866	1
1873	2
1876	1
1879	1
1884	1
1885	1
1886	1
1887	5
1889	2
1890	2
1891	1
1892	1
1893	3
1894	2
1896	2
1897	2
1898	5
1900	1
1901	3
1902	4
1903	16
1904	12
1905	10
1906	14
1907	17
1908	22
1909	15
1910	21
1911	29
1912	14
1913	31
1914	28
1915	71
1916	63
1917	126
1918	39
1919	27
1920	168
1921	112
1922	24
1923	236
1924	97
1925	349
1926	226
1927	161
1928	145
1929	134
1930	143
1931	441
1932	314
1933	504
1934	449
1935	418
1936	548
1937	297
1938	417
1939	357
1940	415
1941	323
1942	342
1943	342
1944	312
1945	499
1946	426
1947	341
1948	341
1949	406
1950	511
1951	364
1952	472
1953	414
1954	459
1955	813
1956	574
1957	268
1958	374
1959	424
1960	622
1961	504
1962	348
1963	294
1964	637
1965	858
1966	606
1967	326
1968	637
1969	440
1970	576
1971	1,850
1972	667
1973	583
1974	363
1975	1,386
1976	530
1977	543
1978	754
1979	501
1980	1,047
1981	672
1982	767
1983	901
1984	777
1985	1,065
1986	1,021
1987	934
1988	940
1989	1,753
1990	911
1991	647
1992	1,169
1993	1,031
1994	1,207
1995	1,223
1996	1,084
1997	984
1998	1,195
1999	1,643
2000	1,001
2001	1,414
2002	1,080
2003	1,157
2004	779
2005	742
2006	1,405
2007	1,023
2008	911
2009	1,156
2010	1,485
2011	1,040
2012	712
2013	469
2014	1,000
2015	948
2016	501
2017	485
2018	1,135
2019	551
2020	1,034
2021	1,020
2022	861
2023	671
2024	748
2025	836
2026	754

Download the Data

Data for records on 1963-07-31: 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 20	211
20 to 40	14
40 to 60	5
60 to 80	0
80 to 100	0
100 to 120	0
120 to 140	0
140 to 160	1