Weather Records on 28 July 1931

464 weather records were set or tied worldwide on 28 July 1931. Highest significance: Novorossijsk, RU.

Key Facts for 28 July 1931

On 28 July 1931, 464 weather records were set or tied at long-record stations worldwide.
402 were record highs and 8 were record lows, counting maximum and minimum temperature.
By timescale, 10 were all-time records, 10 monthly and 444 daily.
Novorossijsk set a daily record precipitation of 58.3 mm (2.3 in) on 28 July 1931.
Across 155 earlier years (1815 to 2026) the same calendar date averaged 472 records.

Record Map

464 stations

464 station records on 28 July 1931 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 28 July 1931: highest significance records shown on the map
Station	Country	Type	Value	Significance
Novorossijsk	Russia	Record daily precipitation	58.3 mm (2.3 in)	45 of 100 (Notable)
Kodaikanal	India	Record daily precipitation	46.5 mm (1.8 in)	42 of 100 (Notable)
Lake City 2 E	United States	Record daily precipitation	83.3 mm (3.3 in)	42 of 100 (Notable)
San Diego Wbo	United States	Record high minimum temperature	22.2 C (72.0 F)	36 of 100 (Notable)
Kopargaon	India	Record daily precipitation	44.7 mm (1.8 in)	32 of 100 (Routine)
Paso Robles	United States	Record high minimum temperature	17.8 C (64.0 F)	31 of 100 (Routine)
San Diego Wbo	United States	Record high maximum temperature	28.9 C (84.0 F)	31 of 100 (Routine)
Port Arthur	Canada	Record high maximum temperature	34.4 C (93.9 F)	30 of 100 (Routine)
Mahroni	India	Record daily precipitation	124.5 mm (4.9 in)	30 of 100 (Routine)
Port Gibson 1 NE	United States	Record daily precipitation	94.5 mm (3.7 in)	30 of 100 (Routine)
Duck Hill	United States	Record daily precipitation	42.7 mm (1.7 in)	29 of 100 (Routine)
Howard	United States	Record high minimum temperature	26.1 C (79.0 F)	29 of 100 (Routine)
Castlewood	United States	Record high minimum temperature	23.9 C (75.0 F)	28 of 100 (Routine)
Laramie	United States	Record daily precipitation	25.4 mm (1.0 in)	28 of 100 (Routine)
Dum Dooma /Sookerating Aab	India	Record daily precipitation	85.1 mm (3.4 in)	27 of 100 (Routine)
Chalisgaon	India	Record daily precipitation	48.8 mm (1.9 in)	26 of 100 (Routine)
San Bernardino F S 226	United States	Record high minimum temperature	22.2 C (72.0 F)	26 of 100 (Routine)
Petoskey	United States	Record high maximum temperature	36.7 C (98.1 F)	26 of 100 (Routine)
Afton	United States	Record high maximum temperature	42.2 C (108.0 F)	25 of 100 (Routine)
Pembroke Eddy Match	Canada	Record high maximum temperature	34.4 C (93.9 F)	24 of 100 (Routine)
Chugwater	United States	Record high minimum temperature	23.9 C (75.0 F)	24 of 100 (Routine)
Port Arthur	Canada	Record high minimum temperature	18.9 C (66.0 F)	23 of 100 (Routine)
Pandharpur	India	Record daily precipitation	27.2 mm (1.1 in)	23 of 100 (Routine)
Vernal	United States	Record high maximum temperature	38.3 C (100.9 F)	23 of 100 (Routine)
Riverside Fire STN 3	United States	Record high minimum temperature	20.0 C (68.0 F)	22 of 100 (Routine)
Oakdale	United States	Record high maximum temperature	41.1 C (106.0 F)	22 of 100 (Routine)
Ny City Cntrl Park	United States	Record high minimum temperature	25.6 C (78.1 F)	22 of 100 (Routine)
Santa Barbara	United States	Record high minimum temperature	19.4 C (66.9 F)	21 of 100 (Routine)
Waterbury	United States	Record high maximum temperature	37.2 C (99.0 F)	21 of 100 (Routine)
Nevasa	India	Record daily precipitation	21.6 mm (0.9 in)	20 of 100 (Routine)
Deloraine (Athol)	Australia	Record daily precipitation	19.8 mm (0.8 in)	20 of 100 (Routine)
Oktjabrskij-Gorodok	Russia	Record high minimum temperature	21.2 C (70.2 F)	20 of 100 (Routine)
Armour	United States	Record high maximum temperature	43.3 C (109.9 F)	20 of 100 (Routine)
Castle Dale	United States	Record high minimum temperature	22.2 C (72.0 F)	20 of 100 (Routine)
Emery	United States	Record high minimum temperature	18.3 C (64.9 F)	20 of 100 (Routine)
Farmington	United States	Record high minimum temperature	25.0 C (77.0 F)	20 of 100 (Routine)
Chintamani	India	Record daily precipitation	22.9 mm (0.9 in)	19 of 100 (Routine)
Santa Barbara	United States	Record high maximum temperature	32.2 C (90.0 F)	19 of 100 (Routine)
Ft Collins	United States	Record high minimum temperature	19.4 C (66.9 F)	19 of 100 (Routine)
Winthrop UNIV	United States	Record high minimum temperature	24.4 C (75.9 F)	19 of 100 (Routine)
Stevens Pt	United States	Record high minimum temperature	22.8 C (73.0 F)	19 of 100 (Routine)
Scottsbluff W B Heilig Fld AP	United States	Record high minimum temperature	20.0 C (68.0 F)	19 of 100 (Routine)
Timovskoe	Russia	Record low minimum temperature	3.2 C (37.8 F)	18 of 100 (Routine)
Tarnaby	Sweden	Record daily precipitation	17.1 mm (0.7 in)	18 of 100 (Routine)
Tarpon Spgs Sewage Plt	United States	Record high maximum temperature	36.1 C (97.0 F)	18 of 100 (Routine)
Iowa Falls	United States	Record high minimum temperature	23.9 C (75.0 F)	18 of 100 (Routine)
Logan 1 WNW	United States	Record high maximum temperature	40.6 C (105.1 F)	18 of 100 (Routine)
Two Harbors	United States	Record high maximum temperature	36.7 C (98.1 F)	18 of 100 (Routine)
Winona	United States	Record high minimum temperature	27.2 C (81.0 F)	18 of 100 (Routine)
Genoa 2 W	United States	Record high minimum temperature	26.7 C (80.1 F)	18 of 100 (Routine)
Bedford Hills	United States	Record high maximum temperature	36.7 C (98.1 F)	18 of 100 (Routine)
Fond du Lac Wwtp	United States	Record high minimum temperature	22.8 C (73.0 F)	18 of 100 (Routine)
Viroqua	United States	Record high minimum temperature	25.6 C (78.1 F)	18 of 100 (Routine)
Green Bay	United States	Record high minimum temperature	25.0 C (77.0 F)	18 of 100 (Routine)
Trunkey Creek (Trunkey (Black	Australia	Record daily precipitation	20.3 mm (0.8 in)	17 of 100 (Routine)
Lindsay	Canada	Record high maximum temperature	34.4 C (93.9 F)	17 of 100 (Routine)
Phaltan	India	Record daily precipitation	19.8 mm (0.8 in)	17 of 100 (Routine)
Canon City	United States	Record high minimum temperature	23.3 C (73.9 F)	17 of 100 (Routine)
Ft Morgan	United States	Record high minimum temperature	20.6 C (69.1 F)	17 of 100 (Routine)
Cambridge	United States	Record high minimum temperature	21.7 C (71.1 F)	17 of 100 (Routine)

Counts by Type and Timescale

464 records

Records set or tied on 28 July 1931 by type: Highest daily maximum 213, Lowest daily maximum 2, Highest daily minimum 189, Lowest daily minimum 6, Heaviest daily rainfall 54.

Records on 28 July 1931 by type
Record type	Records
Highest daily maximum	213
Lowest daily maximum	2
Highest daily minimum	189
Lowest daily minimum	6
Heaviest daily rainfall	54
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 28 July 1931 by timescale: all-time 10, monthly 10, daily 444.

How Much Records Were Beaten By

344 broken records

Margins by which the 344 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 73.7. Ties are not counted.

Top 20 by Significance

28 July 1931

Top 20 records on 28 July 1931 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
28 July 1931	Novorossijsk, RU	daily rain	58.3 mm (2.3 in)	45.0 mm (1.8 in)	14 years	45 of 100 (Notable)
28 July 1931	Kodaikanal, IN	daily rain	46.5 mm (1.8 in)	28.0 mm (1.1 in)	28 years	42 of 100 (Notable)
28 July 1931	Lake City 2 E, US	daily rain	83.3 mm (3.3 in)	52.8 mm (2.1 in)	4 years	42 of 100 (Notable)
28 July 1931	San Diego Wbo, US	daily high min	22.2 C (72.0 F)	2.8 C (5.0 F)	39 years	36 of 100 (Notable)
28 July 1931	Kopargaon, IN	daily rain	44.7 mm (1.8 in)	23.9 mm (0.9 in)	28 years	32 of 100 (Routine)
28 July 1931	Paso Robles, US	daily high min	17.8 C (64.0 F)	5.6 C (10.1 F)	33 years	31 of 100 (Routine)
28 July 1931	San Diego Wbo, US	daily high max	28.9 C (84.0 F)	2.8 C (5.0 F)	41 years	31 of 100 (Routine)
28 July 1931	Port Arthur, CA	daily high max	34.4 C (93.9 F)	4.4 C (7.9 F)	49 years	30 of 100 (Routine)
28 July 1931	Mahroni, IN	daily rain	124.5 mm (4.9 in)	73.7 mm (2.9 in)	2 years	30 of 100 (Routine)
28 July 1931	Port Gibson 1 NE, US	monthly rain	94.5 mm (3.7 in)	22.6 mm (0.9 in)	0 years	30 of 100 (Routine)
28 July 1931	Duck Hill, US	daily rain	42.7 mm (1.7 in)	25.9 mm (1.0 in)	22 years	29 of 100 (Routine)
28 July 1931	Howard, US	all-time high min	26.1 C (79.0 F)	1.1 C (2.0 F)	14 years	29 of 100 (Routine)
28 July 1931	Castlewood, US	all-time high min	23.9 C (75.0 F)	0.6 C (1.1 F)	14 years	28 of 100 (Routine)
28 July 1931	Laramie, US	daily rain	25.4 mm (1.0 in)	12.2 mm (0.5 in)	24 years	28 of 100 (Routine)
28 July 1931	Dum Dooma /Sookerating Aab, IN	daily rain	85.1 mm (3.4 in)	49.0 mm (1.9 in)	6 years	27 of 100 (Routine)
28 July 1931	Chalisgaon, IN	daily rain	48.8 mm (1.9 in)	23.1 mm (0.9 in)	29 years	26 of 100 (Routine)
28 July 1931	San Bernardino F S 226, US	daily high min	22.2 C (72.0 F)	4.4 C (7.9 F)	28 years	26 of 100 (Routine)
28 July 1931	Petoskey, US	daily high max	36.7 C (98.1 F)	5.0 C (9.0 F)	36 years	26 of 100 (Routine)
28 July 1931	Afton, US	monthly high max	42.2 C (108.0 F)	0.5 C (0.9 F)	37 years	25 of 100 (Routine)
28 July 1931	Pembroke Eddy Match, CA	daily high max	34.4 C (93.9 F)	1.1 C (2.0 F)	53 years	24 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

1815 to 1931

Records set or tied on this calendar date in each year from 1815 to 1931. 1931 had 464 records.

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

Records on 07-28 in each year
Year	Records
1815	1
1832	2
1834	1
1838	1
1846	1
1848	1
1853	1
1857	1
1860	2
1866	2
1867	1
1872	3
1873	1
1874	1
1882	1
1883	3
1884	3
1886	2
1887	2
1888	3
1890	3
1891	8
1892	3
1893	5
1894	4
1895	6
1896	4
1897	4
1898	6
1900	8
1901	14
1902	4
1903	16
1904	23
1905	10
1906	18
1907	39
1908	15
1909	19
1910	18
1911	61
1912	32
1913	54
1914	42
1915	36
1916	134
1917	84
1918	34
1919	53
1920	95
1921	92
1922	82
1923	193
1924	79
1925	361
1926	175
1927	129
1928	341
1929	215
1930	603
1931	464
1932	184
1933	390
1934	533
1935	354
1936	471
1937	315
1938	264
1939	339
1940	507
1941	525
1942	165
1943	429
1944	349
1945	399
1946	380
1947	630
1948	535
1949	496
1950	1,035
1951	320
1952	669
1953	251
1954	355
1955	537
1956	309
1957	298
1958	549
1959	417
1960	416
1961	357
1962	772
1963	484
1964	422
1965	422
1966	349
1967	458
1968	547
1969	737
1970	343
1971	1,161
1972	675
1973	500
1974	343
1975	537
1976	493
1977	724
1978	681
1979	692
1980	1,170
1981	1,315
1982	774
1983	1,389
1984	1,373
1985	627
1986	868
1987	1,202
1988	761
1989	936
1990	757
1991	768
1992	678
1993	1,026
1994	2,266
1995	1,251
1996	1,178
1997	1,024
1998	1,835
1999	985
2000	857
2001	938
2002	866
2003	932
2004	1,345
2005	1,387
2006	1,398
2007	998
2008	923
2009	964
2010	1,306
2011	1,143
2012	731
2013	1,428
2014	713
2015	911
2016	648
2017	476
2018	655
2019	469
2020	721
2021	831
2022	990
2023	765
2024	668
2025	845
2026	863

Download the Data

Data for records on 1931-07-28: 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 10	327
10 to 20	7
20 to 30	6
30 to 40	0
40 to 50	2
50 to 60	1
60 to 70	0
70 to 80	1