Weather Records on 31 July 1948

341 weather records were set or tied worldwide on 31 July 1948. Highest significance: Dalu, IN.

Key Facts for 31 July 1948

On 31 July 1948, 341 weather records were set or tied at long-record stations worldwide.
156 were record highs and 53 were record lows, counting maximum and minimum temperature.
By timescale, 3 were all-time records, 5 monthly and 333 daily.
Dalu set a daily record precipitation of 187.7 mm (7.4 in) on 31 July 1948.
Across 155 earlier years (1804 to 2026) the same calendar date averaged 472 records.

Record Map

341 stations

341 station records on 31 July 1948 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 31 July 1948: highest significance records shown on the map
Station	Country	Type	Value	Significance
Dalu	India	Record daily precipitation	187.7 mm (7.4 in)	54 of 100 (Notable)
Berry Brow	Australia	Record daily precipitation	54.4 mm (2.1 in)	52 of 100 (Notable)
Limoeiro de Anadia	Brazil	Record daily precipitation	60.5 mm (2.4 in)	49 of 100 (Notable)
Bugulma	Russia	Record daily precipitation	30.6 mm (1.2 in)	46 of 100 (Notable)
Ennore Obsy	India	Record daily precipitation	43.7 mm (1.7 in)	44 of 100 (Notable)
Richmond	United States	Record daily precipitation	73.2 mm (2.9 in)	44 of 100 (Notable)
Santa Fe	United States	Record low minimum temperature	7.8 C (46.0 F)	42 of 100 (Notable)
Wilton	India	Record daily precipitation	141.0 mm (5.6 in)	40 of 100 (Notable)
Muthupet	India	Record daily precipitation	50.8 mm (2.0 in)	39 of 100 (Notable)
Wanobbing	Australia	Record daily precipitation	25.4 mm (1.0 in)	32 of 100 (Routine)
Panruti	India	Record daily precipitation	44.5 mm (1.8 in)	32 of 100 (Routine)
Perumbalur	India	Record daily precipitation	61.0 mm (2.4 in)	32 of 100 (Routine)
Colorado	Australia	Record daily precipitation	27.2 mm (1.1 in)	31 of 100 (Routine)
Utsira Fyr	Norway	Record high minimum temperature	19.4 C (66.9 F)	31 of 100 (Routine)
Vanersborg	Sweden	Record high maximum temperature	33.0 C (91.4 F)	31 of 100 (Routine)
Vestervig	Denmark	Record high maximum temperature	33.5 C (92.3 F)	30 of 100 (Routine)
Brocken	Germany	Record high minimum temperature	18.8 C (65.8 F)	30 of 100 (Routine)
Dibrugarh Obsy	India	Record daily precipitation	104.9 mm (4.1 in)	30 of 100 (Routine)
Manamathurai	India	Record daily precipitation	41.7 mm (1.6 in)	30 of 100 (Routine)
Vallam	India	Record daily precipitation	43.4 mm (1.7 in)	30 of 100 (Routine)
Colagaon	India	Record daily precipitation	97.5 mm (3.8 in)	29 of 100 (Routine)
Pattukkottai	India	Record daily precipitation	93.5 mm (3.7 in)	29 of 100 (Routine)
Miami	United States	Record low minimum temperature	4.4 C (39.9 F)	28 of 100 (Routine)
Kodavasal	India	Record daily precipitation	39.4 mm (1.6 in)	27 of 100 (Routine)
Somerville 4 NW	United States	Record high minimum temperature	23.9 C (75.0 F)	27 of 100 (Routine)
Nordby (Fano)	Denmark	Record high maximum temperature	33.5 C (92.3 F)	25 of 100 (Routine)
Bjuraker	Sweden	Record high maximum temperature	31.0 C (87.8 F)	25 of 100 (Routine)
Lake Creek 6 SE	United States	Record high maximum temperature	42.2 C (108.0 F)	25 of 100 (Routine)
Clausthal-Zellerfeld	Germany	Record high maximum temperature	29.8 C (85.6 F)	24 of 100 (Routine)
Vasteras-Hasslo	Sweden	Record high maximum temperature	33.7 C (92.7 F)	24 of 100 (Routine)
Millsboro	United States	Record high minimum temperature	25.6 C (78.1 F)	24 of 100 (Routine)
Middlesboro Fire Dept	United States	Record high minimum temperature	22.2 C (72.0 F)	24 of 100 (Routine)
Tanana AP	United States	Record low maximum temperature	9.4 C (48.9 F)	24 of 100 (Routine)
Ramanathapuram	India	Record daily precipitation	36.8 mm (1.4 in)	23 of 100 (Routine)
Jennings	United States	Record high maximum temperature	38.9 C (102.0 F)	23 of 100 (Routine)
Cordova AP	United States	Record low minimum temperature	4.4 C (39.9 F)	23 of 100 (Routine)
Nanaimo	Canada	Record high minimum temperature	19.4 C (66.9 F)	22 of 100 (Routine)
Pudukkottai	India	Record daily precipitation	33.0 mm (1.3 in)	22 of 100 (Routine)
Saguache	United States	Record low minimum temperature	3.3 C (37.9 F)	22 of 100 (Routine)
Cave Run Lake	United States	Record daily precipitation	29.5 mm (1.2 in)	22 of 100 (Routine)
Springer	United States	Record low minimum temperature	8.3 C (46.9 F)	22 of 100 (Routine)
Triunfo	Brazil	Record daily precipitation	42.2 mm (1.7 in)	21 of 100 (Routine)
Nordby (Fano)	Denmark	Record high minimum temperature	18.5 C (65.3 F)	21 of 100 (Routine)
Altastenberg	Germany	Record high minimum temperature	19.4 C (66.9 F)	21 of 100 (Routine)
The Dalles	United States	Record high maximum temperature	40.6 C (105.1 F)	21 of 100 (Routine)
Sugar Land	United States	Record high maximum temperature	39.4 C (102.9 F)	21 of 100 (Routine)
Kosmos	United States	Record high minimum temperature	21.1 C (70.0 F)	21 of 100 (Routine)
Annex Creek	United States	Record daily precipitation	47.0 mm (1.9 in)	21 of 100 (Routine)
Penong	Australia	Record daily precipitation	15.2 mm (0.6 in)	20 of 100 (Routine)
Emba	Kazakhstan	Record daily precipitation	12.3 mm (0.5 in)	20 of 100 (Routine)
Skagway	United States	Record daily precipitation	14.5 mm (0.6 in)	20 of 100 (Routine)
Perryton	United States	Record daily precipitation	18.3 mm (0.7 in)	20 of 100 (Routine)
Paramakudi	India	Record daily precipitation	21.1 mm (0.8 in)	20 of 100 (Routine)
Kokardine	Australia	Record daily precipitation	11.7 mm (0.5 in)	20 of 100 (Routine)
Arasadi	India	Record daily precipitation	4.6 mm (0.18 in)	20 of 100 (Routine)
Ballidu	Australia	Record daily precipitation	12.4 mm (0.5 in)	20 of 100 (Routine)
Ceduna Post Office	Australia	Record daily precipitation	9.7 mm (0.38 in)	20 of 100 (Routine)
Atikokan Cli	Canada	Record daily precipitation	24.4 mm (1.0 in)	20 of 100 (Routine)
New Meadows Rs	United States	Record daily precipitation	13.2 mm (0.5 in)	20 of 100 (Routine)
Neidavasal	India	Record daily precipitation	15.2 mm (0.6 in)	20 of 100 (Routine)

Counts by Type and Timescale

341 records

Records set or tied on 31 July 1948 by type: Highest daily maximum 64, Lowest daily maximum 25, Highest daily minimum 92, Lowest daily minimum 28, Heaviest daily rainfall 132.

Records on 31 July 1948 by type
Record type	Records
Highest daily maximum	64
Lowest daily maximum	25
Highest daily minimum	92
Lowest daily minimum	28
Heaviest daily rainfall	132
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 31 July 1948 by timescale: all-time 3, monthly 5, daily 333.

How Much Records Were Beaten By

259 broken records

Margins by which the 259 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 144.5. Ties are not counted.

Top 20 by Significance

31 July 1948

Top 20 records on 31 July 1948 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
31 July 1948	Dalu, IN	daily rain	187.7 mm (7.4 in)	144.5 mm (5.7 in)	34 years	54 of 100 (Notable)
31 July 1948	Berry Brow, AU	daily rain	54.4 mm (2.1 in)	38.1 mm (1.5 in)	37 years	52 of 100 (Notable)
31 July 1948	Limoeiro de Anadia, BR	daily rain	60.5 mm (2.4 in)	48.5 mm (1.9 in)	23 years	49 of 100 (Notable)
31 July 1948	Bugulma, RU	daily rain	30.6 mm (1.2 in)	25.4 mm (1.0 in)	33 years	46 of 100 (Notable)
31 July 1948	Ennore Obsy, IN	daily rain	43.7 mm (1.7 in)	29.2 mm (1.1 in)	43 years	44 of 100 (Notable)
31 July 1948	Richmond, US	daily rain	73.2 mm (2.9 in)	47.8 mm (1.9 in)	10 years	44 of 100 (Notable)
31 July 1948	Santa Fe, US	daily low min	7.8 C (46.0 F)	3.3 C (5.9 F)	60 years	42 of 100 (Notable)
31 July 1948	Wilton, IN	monthly rain	141.0 mm (5.6 in)	27.2 mm (1.1 in)	46 years	40 of 100 (Notable)
31 July 1948	Muthupet, IN	daily rain	50.8 mm (2.0 in)	40.6 mm (1.6 in)	32 years	39 of 100 (Notable)
31 July 1948	Wanobbing, AU	daily rain	25.4 mm (1.0 in)	18.3 mm (0.7 in)	9 years	32 of 100 (Routine)
31 July 1948	Panruti, IN	daily rain	44.5 mm (1.8 in)	20.6 mm (0.8 in)	46 years	32 of 100 (Routine)
31 July 1948	Perumbalur, IN	daily rain	61.0 mm (2.4 in)	36.6 mm (1.4 in)	23 years	32 of 100 (Routine)
31 July 1948	Colorado, AU	daily rain	27.2 mm (1.1 in)	17.0 mm (0.7 in)	6 years	31 of 100 (Routine)
31 July 1948	Utsira Fyr, NO	all-time high min	19.4 C (66.9 F)	0.4 C (0.7 F)	23 years	31 of 100 (Routine)
31 July 1948	Vanersborg, SE	all-time high max	33.0 C (91.4 F)	1.0 C (1.8 F)	7 years	31 of 100 (Routine)
31 July 1948	Vestervig, DK	daily high max	33.5 C (92.3 F)	3.8 C (6.8 F)	42 years	30 of 100 (Routine)
31 July 1948	Brocken, DE	monthly high min	18.8 C (65.8 F)	0.5 C (0.9 F)	48 years	30 of 100 (Routine)
31 July 1948	Dibrugarh Obsy, IN	daily rain	104.9 mm (4.1 in)	36.3 mm (1.4 in)	40 years	30 of 100 (Routine)
31 July 1948	Manamathurai, IN	daily rain	41.7 mm (1.6 in)	33.8 mm (1.3 in)	34 years	30 of 100 (Routine)
31 July 1948	Vallam, IN	daily rain	43.4 mm (1.7 in)	29.9 mm (1.2 in)	23 years	30 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 1948

Records set or tied on this calendar date in each year from 1804 to 1948. 1948 had 341 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 1948-07-31: 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 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Margin	Records
0 to 20	239
20 to 40	15
40 to 60	4
60 to 80	0
80 to 100	0
100 to 120	0
120 to 140	0
140 to 160	1