Weather Records on 17 July 1928

116 weather records were set or tied worldwide on 17 July 1928. Highest significance: Algona, US.

Key Facts for 17 July 1928

On 17 July 1928, 116 weather records were set or tied at long-record stations worldwide.
25 were record highs and 20 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 2 monthly and 114 daily.
Algona set a daily record precipitation of 73.4 mm (2.9 in) on 17 July 1928.
Across 163 earlier years (1793 to 2026) the same calendar date averaged 447 records.

Record Map

116 stations

116 station records on 17 July 1928 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 17 July 1928: highest significance records shown on the map
Station	Country	Type	Value	Significance
Algona	United States	Record daily precipitation	73.4 mm (2.9 in)	48 of 100 (Notable)
Kosciusko	United States	Record daily precipitation	59.7 mm (2.4 in)	47 of 100 (Notable)
Deloraine (Athol)	Australia	Record daily precipitation	40.1 mm (1.6 in)	40 of 100 (Notable)
Perth Regional Office	Australia	Record daily precipitation	64.5 mm (2.5 in)	39 of 100 (Notable)
Beardsley	United States	Record daily precipitation	66.0 mm (2.6 in)	38 of 100 (Notable)
Wauneta	United States	Record daily precipitation	58.4 mm (2.3 in)	38 of 100 (Notable)
Morris W Cntrl Rsch & Outreach	United States	Record daily precipitation	57.2 mm (2.3 in)	31 of 100 (Routine)
Spearfish	United States	Record daily precipitation	27.4 mm (1.1 in)	31 of 100 (Routine)
Charlevoix	United States	Record daily precipitation	66.0 mm (2.6 in)	30 of 100 (Routine)
Montevideo 1SW	United States	Record daily precipitation	29.2 mm (1.1 in)	30 of 100 (Routine)
Port Arthur	Canada	Record high minimum temperature	19.4 C (66.9 F)	28 of 100 (Routine)
Milbank 4 NW	United States	Record daily precipitation	46.0 mm (1.8 in)	28 of 100 (Routine)
Lusk 2 SW	United States	Record daily precipitation	47.8 mm (1.9 in)	28 of 100 (Routine)
New London	United States	Record daily precipitation	49.5 mm (1.9 in)	27 of 100 (Routine)
Willow Tree (Valais)	Australia	Record daily precipitation	25.1 mm (1.0 in)	25 of 100 (Routine)
Bologna	Italy	Record high minimum temperature	26.9 C (80.4 F)	25 of 100 (Routine)
Botnen I Forde	Norway	Record daily precipitation	41.7 mm (1.6 in)	25 of 100 (Routine)
Hambantota	Sri Lanka	Record high minimum temperature	25.7 C (78.3 F)	23 of 100 (Routine)
Zagreb-Gric	Croatia	Record high maximum temperature	35.7 C (96.3 F)	22 of 100 (Routine)
Raton	United States	Record low minimum temperature	4.4 C (39.9 F)	22 of 100 (Routine)
Weissenburg	Germany	Record high minimum temperature	18.2 C (64.8 F)	21 of 100 (Routine)
Kaniva	Australia	Record daily precipitation	14.2 mm (0.6 in)	20 of 100 (Routine)
Second Valley (Poolamacca)	Australia	Record daily precipitation	21.1 mm (0.8 in)	20 of 100 (Routine)
Launceston (Pumping Station)	Australia	Record daily precipitation	24.6 mm (1.0 in)	20 of 100 (Routine)
Low Head (Comparison)	Australia	Record daily precipitation	14.2 mm (0.6 in)	20 of 100 (Routine)
Setif	Algeria	Record daily precipitation	17.4 mm (0.7 in)	20 of 100 (Routine)
Constantine	Algeria	Record daily precipitation	2.7 mm (0.11 in)	20 of 100 (Routine)
Normanville	Australia	Record daily precipitation	22.4 mm (0.9 in)	20 of 100 (Routine)
Kapskarmo	Norway	Record daily precipitation	20.0 mm (0.8 in)	20 of 100 (Routine)
Dookie Agricultural College	Australia	Record daily precipitation	15.7 mm (0.6 in)	20 of 100 (Routine)
Hayes Center 1NW	United States	Record daily precipitation	43.4 mm (1.7 in)	20 of 100 (Routine)
Fort National	Algeria	Record low maximum temperature	23.0 C (73.4 F)	19 of 100 (Routine)
Bowen Post Office	Australia	Record daily precipitation	1.3 mm (0.05 in)	19 of 100 (Routine)
Duaringa Post Office	Australia	Record daily precipitation	4.1 mm (0.16 in)	19 of 100 (Routine)
Graz	Austria	Record high maximum temperature	31.4 C (88.5 F)	19 of 100 (Routine)
Two Harbors	United States	Record daily precipitation	31.0 mm (1.2 in)	19 of 100 (Routine)
Forman 5 SSE	United States	Record daily precipitation	22.1 mm (0.9 in)	19 of 100 (Routine)
Tunis	Tunisia	Record daily precipitation	2.5 mm (0.10 in)	18 of 100 (Routine)
Leakesville 6 WSW	United States	Record daily precipitation	51.1 mm (2.0 in)	18 of 100 (Routine)
Port Augusta (Nectar Brook)	Australia	Record daily precipitation	9.7 mm (0.38 in)	17 of 100 (Routine)
Old Mapoon	Australia	Record daily precipitation	2.5 mm (0.10 in)	17 of 100 (Routine)
Batesville	United States	Record daily precipitation	34.0 mm (1.3 in)	17 of 100 (Routine)
Lakeside	United States	Record daily precipitation	2.8 mm (0.11 in)	17 of 100 (Routine)
Yankalilla	Australia	Record daily precipitation	18.0 mm (0.7 in)	16 of 100 (Routine)
Longerenong	Australia	Record daily precipitation	6.1 mm (0.24 in)	16 of 100 (Routine)
Camden 1	United States	Record low maximum temperature	27.2 C (81.0 F)	16 of 100 (Routine)
Adel	United States	Record low minimum temperature	-1.7 C (28.9 F)	16 of 100 (Routine)
Madrid	United States	Record daily precipitation	38.1 mm (1.5 in)	16 of 100 (Routine)
La Delle 7 NE	United States	Record high minimum temperature	21.1 C (70.0 F)	16 of 100 (Routine)
Gravesend Post Office	Australia	Record daily precipitation	9.1 mm (0.36 in)	15 of 100 (Routine)
Gragin	Australia	Record daily precipitation	6.1 mm (0.24 in)	15 of 100 (Routine)
Harrow (Pine Hills)	Australia	Record daily precipitation	14.7 mm (0.6 in)	15 of 100 (Routine)
Blackfoot Fire Dept	United States	Record daily precipitation	2.5 mm (0.10 in)	15 of 100 (Routine)
Waverly	United States	Record daily precipitation	43.7 mm (1.7 in)	15 of 100 (Routine)
Watertown Rgnl AP	United States	Record daily precipitation	21.3 mm (0.8 in)	15 of 100 (Routine)
Serviceton	Australia	Record daily precipitation	10.4 mm (0.4 in)	14 of 100 (Routine)
Adel	United States	Record daily precipitation	24.9 mm (1.0 in)	14 of 100 (Routine)
Ashbourne	Australia	Record daily precipitation	21.8 mm (0.9 in)	13 of 100 (Routine)
Spring Ridge	Australia	Record daily precipitation	14.0 mm (0.6 in)	13 of 100 (Routine)
Durango	United States	Record low maximum temperature	22.2 C (72.0 F)	13 of 100 (Routine)

Counts by Type and Timescale

116 records

Records set or tied on 17 July 1928 by type: Highest daily maximum 5, Lowest daily maximum 13, Highest daily minimum 20, Lowest daily minimum 7, Heaviest daily rainfall 71.

Records on 17 July 1928 by type
Record type	Records
Highest daily maximum	5
Lowest daily maximum	13
Highest daily minimum	20
Lowest daily minimum	7
Heaviest daily rainfall	71
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 17 July 1928 by timescale: all-time 0, monthly 2, daily 114.

How Much Records Were Beaten By

97 broken records

Margins by which the 97 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 48.2. Ties are not counted.

Top 20 by Significance

17 July 1928

Top 20 records on 17 July 1928 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
17 July 1928	Algona, US	daily rain	73.4 mm (2.9 in)	45.5 mm (1.8 in)	25 years	48 of 100 (Notable)
17 July 1928	Kosciusko, US	daily rain	59.7 mm (2.4 in)	47.0 mm (1.9 in)	33 years	47 of 100 (Notable)
17 July 1928	Deloraine (Athol), AU	daily rain	40.1 mm (1.6 in)	26.6 mm (1.0 in)	15 years	40 of 100 (Notable)
17 July 1928	Perth Regional Office, AU	daily rain	64.5 mm (2.5 in)	26.4 mm (1.0 in)	27 years	39 of 100 (Notable)
17 July 1928	Beardsley, US	daily rain	66.0 mm (2.6 in)	48.2 mm (1.9 in)	13 years	38 of 100 (Notable)
17 July 1928	Wauneta, US	daily rain	58.4 mm (2.3 in)	43.2 mm (1.7 in)	10 years	38 of 100 (Notable)
17 July 1928	Morris W Cntrl Rsch & Outreach, US	daily rain	57.2 mm (2.3 in)	36.6 mm (1.4 in)	7 years	31 of 100 (Routine)
17 July 1928	Spearfish, US	daily rain	27.4 mm (1.1 in)	22.3 mm (0.9 in)	25 years	31 of 100 (Routine)
17 July 1928	Charlevoix, US	monthly rain	66.0 mm (2.6 in)	10.1 mm (0.4 in)	24 years	30 of 100 (Routine)
17 July 1928	Montevideo 1SW, US	daily rain	29.2 mm (1.1 in)	24.1 mm (0.9 in)	31 years	30 of 100 (Routine)
17 July 1928	Port Arthur, CA	daily high min	19.4 C (66.9 F)	2.7 C (4.9 F)	49 years	28 of 100 (Routine)
17 July 1928	Milbank 4 NW, US	daily rain	46.0 mm (1.8 in)	17.6 mm (0.7 in)	25 years	28 of 100 (Routine)
17 July 1928	Lusk 2 SW, US	daily rain	47.8 mm (1.9 in)	22.4 mm (0.9 in)	7 years	28 of 100 (Routine)
17 July 1928	New London, US	daily rain	49.5 mm (1.9 in)	33.0 mm (1.3 in)	13 years	27 of 100 (Routine)
17 July 1928	Willow Tree (Valais), AU	daily rain	25.1 mm (1.0 in)	14.4 mm (0.6 in)	38 years	25 of 100 (Routine)
17 July 1928	Bologna, IT	daily high min	26.9 C (80.4 F)	0.5 C (0.9 F)	46 years	25 of 100 (Routine)
17 July 1928	Botnen I Forde, NO	daily rain	41.7 mm (1.6 in)	16.1 mm (0.6 in)	19 years	25 of 100 (Routine)
17 July 1928	Hambantota, LK	daily high min	25.7 C (78.3 F)	0.1 C (0.2 F)	55 years	23 of 100 (Routine)
17 July 1928	Zagreb-Gric, HR	daily high max	35.7 C (96.3 F)	2.1 C (3.8 F)	43 years	22 of 100 (Routine)
17 July 1928	Raton, US	daily low min	4.4 C (39.9 F)	2.8 C (5.0 F)	30 years	22 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 1928

Records set or tied on this calendar date in each year from 1793 to 1928. 1928 had 116 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 1928-07-17: 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).

Histogram of margins by which records were beaten on 17 July 1928
Margin	Records
0 to 10	72
10 to 20	13
20 to 30	6
30 to 40	2
40 to 50	4