Weather Records on 17 July 1948

278 weather records were set or tied worldwide on 17 July 1948. Highest significance: Brejo da Madre de Deus, BR.

Key Facts for 17 July 1948

On 17 July 1948, 278 weather records were set or tied at long-record stations worldwide.
74 were record highs and 60 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 6 monthly and 271 daily.
Brejo da Madre de Deus set a daily record precipitation of 56.0 mm (2.2 in) on 17 July 1948.
Across 163 earlier years (1793 to 2026) the same calendar date averaged 446 records.

Record Map

278 stations

278 station records on 17 July 1948 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 17 July 1948: highest significance records shown on the map
Station	Country	Type	Value	Significance
Brejo da Madre de Deus	Brazil	Record daily precipitation	56.0 mm (2.2 in)	50 of 100 (Notable)
Eads	United States	Record daily precipitation	63.5 mm (2.5 in)	49 of 100 (Notable)
Granada Station	Australia	Record daily precipitation	25.4 mm (1.0 in)	48 of 100 (Notable)
Yardie Creek	Australia	Record daily precipitation	44.2 mm (1.7 in)	45 of 100 (Notable)
Duchess Hotel	Australia	Record daily precipitation	33.0 mm (1.3 in)	45 of 100 (Notable)
Chatsworth	Australia	Record daily precipitation	30.7 mm (1.2 in)	42 of 100 (Notable)
Fort William	Australia	Record daily precipitation	28.2 mm (1.1 in)	40 of 100 (Notable)
Iola	United States	Record daily precipitation	62.7 mm (2.5 in)	40 of 100 (Notable)
Oban Station	Australia	Record daily precipitation	27.2 mm (1.1 in)	39 of 100 (Notable)
Mistassini Post	Canada	Record daily precipitation	61.0 mm (2.4 in)	37 of 100 (Notable)
Pusad	India	Record daily precipitation	76.7 mm (3.0 in)	37 of 100 (Notable)
Poltava	Ukraine	Record daily precipitation	53.0 mm (2.1 in)	37 of 100 (Notable)
Umbergaon	India	Record daily precipitation	170.2 mm (6.7 in)	35 of 100 (Notable)
Yates Ctr	United States	Record daily precipitation	71.9 mm (2.8 in)	34 of 100 (Routine)
Yanrey	Australia	Record daily precipitation	34.3 mm (1.4 in)	33 of 100 (Routine)
Belleville	Canada	Record high minimum temperature	22.2 C (72.0 F)	33 of 100 (Routine)
Bologna	Italy	Record low minimum temperature	12.4 C (54.3 F)	33 of 100 (Routine)
Athens	United States	Record daily precipitation	50.0 mm (2.0 in)	32 of 100 (Routine)
Barwani	India	Record daily precipitation	47.0 mm (1.9 in)	31 of 100 (Routine)
Hamersley	Australia	Record daily precipitation	28.4 mm (1.1 in)	29 of 100 (Routine)
Badnera	India	Record daily precipitation	64.0 mm (2.5 in)	29 of 100 (Routine)
Gadsden	United States	Record daily precipitation	37.3 mm (1.5 in)	29 of 100 (Routine)
Ranken River	Australia	Record daily precipitation	33.0 mm (1.3 in)	27 of 100 (Routine)
Bird City 10S	United States	Record daily precipitation	30.7 mm (1.2 in)	27 of 100 (Routine)
Booneville	United States	Record daily precipitation	99.6 mm (3.9 in)	27 of 100 (Routine)
Bethlehem Lehigh UNIV	United States	Record low maximum temperature	21.1 C (70.0 F)	27 of 100 (Routine)
Kahuku 912	United States	Record low maximum temperature	26.1 C (79.0 F)	27 of 100 (Routine)
Khamgaon	India	Record daily precipitation	40.9 mm (1.6 in)	26 of 100 (Routine)
Maquoketa	United States	Record high minimum temperature	25.6 C (78.1 F)	26 of 100 (Routine)
Holly Springs 2 N	United States	Record daily precipitation	34.8 mm (1.4 in)	26 of 100 (Routine)
Sirathu	India	Record daily precipitation	110.5 mm (4.4 in)	25 of 100 (Routine)
Tombstone	United States	Record high minimum temperature	23.9 C (75.0 F)	25 of 100 (Routine)
Robe Comparison	Australia	Record low maximum temperature	10.0 C (50.0 F)	24 of 100 (Routine)
Hirekerur	India	Record daily precipitation	39.1 mm (1.5 in)	24 of 100 (Routine)
Alipurduar	India	Record daily precipitation	251.0 mm (9.9 in)	24 of 100 (Routine)
Union Springs 9 S	United States	Record daily precipitation	33.3 mm (1.3 in)	24 of 100 (Routine)
Clarendon	United States	Record daily precipitation	26.7 mm (1.1 in)	24 of 100 (Routine)
Cloncurry McIllwraith St	Australia	Record daily precipitation	39.6 mm (1.6 in)	23 of 100 (Routine)
Vicosa	Brazil	Record daily precipitation	43.8 mm (1.7 in)	23 of 100 (Routine)
Blagovescensk	Russia	Record high minimum temperature	22.6 C (72.7 F)	23 of 100 (Routine)
University	United States	Record daily precipitation	51.3 mm (2.0 in)	22 of 100 (Routine)
Pachora	India	Record daily precipitation	51.1 mm (2.0 in)	21 of 100 (Routine)
Gangarampur	India	Record daily precipitation	73.7 mm (2.9 in)	21 of 100 (Routine)
Levan	United States	Record high minimum temperature	19.4 C (66.9 F)	21 of 100 (Routine)
Kilauea 1134	United States	Record low maximum temperature	26.1 C (79.0 F)	21 of 100 (Routine)
Warenda	Australia	Record daily precipitation	21.3 mm (0.8 in)	20 of 100 (Routine)
Lorraine	Australia	Record daily precipitation	21.6 mm (0.9 in)	20 of 100 (Routine)
Headingly Station	Australia	Record daily precipitation	11.7 mm (0.5 in)	20 of 100 (Routine)
Marion Downs	Australia	Record daily precipitation	23.6 mm (0.9 in)	20 of 100 (Routine)
Mia Mia	Australia	Record daily precipitation	19.3 mm (0.8 in)	20 of 100 (Routine)
Avon Downs	Australia	Record daily precipitation	20.3 mm (0.8 in)	20 of 100 (Routine)
Myrup	Australia	Record daily precipitation	21.6 mm (0.9 in)	20 of 100 (Routine)
Austral Downs	Australia	Record daily precipitation	21.6 mm (0.9 in)	20 of 100 (Routine)
Lake Nash	Australia	Record daily precipitation	18.8 mm (0.7 in)	20 of 100 (Routine)
Undilla Station	Australia	Record daily precipitation	10.7 mm (0.4 in)	20 of 100 (Routine)
Winning	Australia	Record daily precipitation	14.0 mm (0.6 in)	20 of 100 (Routine)
Challa	Australia	Record daily precipitation	17.3 mm (0.7 in)	20 of 100 (Routine)
Glen Boughton	Australia	Record daily precipitation	21.1 mm (0.8 in)	20 of 100 (Routine)
Canobie	Australia	Record daily precipitation	8.4 mm (0.33 in)	20 of 100 (Routine)
Gilbert River Post Office	Australia	Record daily precipitation	1.0 mm (0.04 in)	20 of 100 (Routine)

Counts by Type and Timescale

278 records

Records set or tied on 17 July 1948 by type: Highest daily maximum 20, Lowest daily maximum 41, Highest daily minimum 54, Lowest daily minimum 19, Heaviest daily rainfall 143, Deepest snow cover 1.

Records on 17 July 1948 by type
Record type	Records
Highest daily maximum	20
Lowest daily maximum	41
Highest daily minimum	54
Lowest daily minimum	19
Heaviest daily rainfall	143
Heaviest daily snowfall	0
Deepest snow cover	1

Records on 17 July 1948 by timescale: all-time 1, monthly 6, daily 271.

How Much Records Were Beaten By

222 broken records

Margins by which the 222 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 550.0. Ties are not counted.

Top 20 by Significance

17 July 1948

Top 20 records on 17 July 1948 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
17 July 1948	Brejo da Madre de Deus, BR	daily rain	56.0 mm (2.2 in)	41.8 mm (1.6 in)	26 years	50 of 100 (Notable)
17 July 1948	Eads, US	daily rain	63.5 mm (2.5 in)	45.5 mm (1.8 in)	28 years	49 of 100 (Notable)
17 July 1948	Granada Station, AU	daily rain	25.4 mm (1.0 in)	25.4 mm (1.0 in)	59 years	48 of 100 (Notable)
17 July 1948	Yardie Creek, AU	daily rain	44.2 mm (1.7 in)	37.6 mm (1.5 in)	17 years	45 of 100 (Notable)
17 July 1948	Duchess Hotel, AU	daily rain	33.0 mm (1.3 in)	33.0 mm (1.3 in)	33 years	45 of 100 (Notable)
17 July 1948	Chatsworth, AU	daily rain	30.7 mm (1.2 in)	30.7 mm (1.2 in)	33 years	42 of 100 (Notable)
17 July 1948	Fort William, AU	daily rain	28.2 mm (1.1 in)	28.2 mm (1.1 in)	33 years	40 of 100 (Notable)
17 July 1948	Iola, US	daily rain	62.7 mm (2.5 in)	45.7 mm (1.8 in)	5 years	40 of 100 (Notable)
17 July 1948	Oban Station, AU	daily rain	27.2 mm (1.1 in)	27.2 mm (1.1 in)	32 years	39 of 100 (Notable)
17 July 1948	Mistassini Post, CA	monthly rain	61.0 mm (2.4 in)	15.3 mm (0.6 in)	10 years	37 of 100 (Notable)
17 July 1948	Pusad, IN	daily rain	76.7 mm (3.0 in)	55.9 mm (2.2 in)	23 years	37 of 100 (Notable)
17 July 1948	Poltava, UA	daily rain	53.0 mm (2.1 in)	32.6 mm (1.3 in)	4 years	37 of 100 (Notable)
17 July 1948	Umbergaon, IN	daily rain	170.2 mm (6.7 in)	66.3 mm (2.6 in)	45 years	35 of 100 (Notable)
17 July 1948	Yates Ctr, US	daily rain	71.9 mm (2.8 in)	51.3 mm (2.0 in)	5 years	34 of 100 (Routine)
17 July 1948	Yanrey, AU	daily rain	34.3 mm (1.4 in)	17.8 mm (0.7 in)	17 years	33 of 100 (Routine)
17 July 1948	Belleville, CA	daily high min	22.2 C (72.0 F)	0.5 C (0.9 F)	81 years	33 of 100 (Routine)
17 July 1948	Bologna, IT	daily low min	12.4 C (54.3 F)	1.2 C (2.2 F)	64 years	33 of 100 (Routine)
17 July 1948	Athens, US	daily rain	50.0 mm (2.0 in)	11.6 mm (0.5 in)	50 years	32 of 100 (Routine)
17 July 1948	Barwani, IN	daily rain	47.0 mm (1.9 in)	24.9 mm (1.0 in)	34 years	31 of 100 (Routine)
17 July 1948	Hamersley, AU	monthly rain	28.4 mm (1.1 in)	9.3 mm (0.37 in)	2 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

1793 to 1948

Records set or tied on this calendar date in each year from 1793 to 1948. 1948 had 278 records.

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

Records on 07-17 in each year
Year	Records
1793	1
1798	1
1799	1
1801	2
1802	1
1821	1
1827	1
1833	1
1840	1
1842	1
1845	2
1852	1
1862	1
1863	1
1865	2
1866	1
1871	1
1874	1
1875	2
1877	1
1880	1
1881	2
1882	2
1883	5
1884	1
1887	1
1888	2
1889	4
1890	4
1892	5
1893	3
1894	4
1895	1
1896	3
1897	1
1898	2
1899	4
1900	4
1901	6
1902	6
1903	13
1904	4
1905	9
1906	13
1907	12
1908	32
1909	16
1910	8
1911	52
1912	13
1913	26
1914	67
1915	71
1916	27
1917	62
1918	41
1919	45
1920	50
1921	120
1922	206
1923	105
1924	165
1925	275
1926	251
1927	118
1928	116
1929	154
1930	366
1931	492
1932	293
1933	216
1934	438
1935	245
1936	815
1937	313
1938	303
1939	540
1940	319
1941	386
1942	522
1943	321
1944	236
1945	681
1946	523
1947	505
1948	278
1949	405
1950	645
1951	356
1952	772
1953	557
1954	517
1955	512
1956	608
1957	298
1958	693
1959	631
1960	324
1961	408
1962	421
1963	223
1964	481
1965	753
1966	454
1967	965
1968	707
1969	741
1970	486
1971	790
1972	634
1973	680
1974	691
1975	775
1976	1,041
1977	764
1978	794
1979	642
1980	1,137
1981	628
1982	850
1983	1,120
1984	875
1985	483
1986	1,214
1987	1,388
1988	1,239
1989	1,289
1990	953
1991	763
1992	1,055
1993	956
1994	631
1995	917
1996	911
1997	816
1998	1,031
1999	925
2000	1,166
2001	916
2002	995
2003	1,396
2004	908
2005	1,184
2006	1,509
2007	1,218
2008	508
2009	1,218
2010	965
2011	1,101
2012	934
2013	819
2014	1,456
2015	831
2016	679
2017	398
2018	750
2019	477
2020	515
2021	625
2022	791
2023	1,060
2024	814
2025	966
2026	860

Download the Data

Data for records on 1948-07-17: 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 100	221
100 to 200	0
200 to 300	0
300 to 400	0
400 to 500	0
500 to 600	1