Weather Records on 16 August 1939

340 weather records were set or tied worldwide on 16 August 1939. Highest significance: Montgomery Wb City, US.

Key Facts for 16 August 1939

On 16 August 1939, 340 weather records were set or tied at long-record stations worldwide.
108 were record highs and 56 were record lows, counting maximum and minimum temperature.
By timescale, 3 were all-time records, 12 monthly and 325 daily.
Montgomery Wb City set a monthly record daily precipitation of 177.0 mm (7.0 in) on 16 August 1939.
Across 164 earlier years (1793 to 2026) the same calendar date averaged 467 records.

Record Map

340 stations

340 station records on 16 August 1939 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 16 August 1939: highest significance records shown on the map
Station	Country	Type	Value	Significance
Montgomery Wb City	United States	Record daily precipitation	177.0 mm (7.0 in)	66 of 100 (Major)
Highland Home	United States	Record daily precipitation	198.1 mm (7.8 in)	60 of 100 (Major)
Prattville	United States	Record daily precipitation	205.7 mm (8.1 in)	57 of 100 (Notable)
Marion 1 N	United States	Record daily precipitation	153.4 mm (6.0 in)	55 of 100 (Notable)
Selma	United States	Record daily precipitation	129.5 mm (5.1 in)	55 of 100 (Notable)
Springbok	South Africa	Record daily precipitation	43.2 mm (1.7 in)	52 of 100 (Notable)
Reit Im Winkl	Germany	Record daily precipitation	60.8 mm (2.4 in)	45 of 100 (Notable)
Cradock	South Africa	Record daily precipitation	30.0 mm (1.2 in)	44 of 100 (Notable)
Clanton	United States	Record daily precipitation	136.1 mm (5.4 in)	43 of 100 (Notable)
Salzburg	Austria	Record daily precipitation	63.1 mm (2.5 in)	42 of 100 (Notable)
Peddapuram	India	Record daily precipitation	83.1 mm (3.3 in)	41 of 100 (Notable)
Esperanza	South Africa	Record daily precipitation	33.8 mm (1.3 in)	41 of 100 (Notable)
Merrill	United States	Record daily precipitation	62.5 mm (2.5 in)	37 of 100 (Notable)
Honohina 137	United States	Record daily precipitation	103.4 mm (4.1 in)	35 of 100 (Notable)
Groenfontein "Montagu"	South Africa	Record daily precipitation	50.8 mm (2.0 in)	34 of 100 (Routine)
Greenville	United States	Record daily precipitation	76.7 mm (3.0 in)	34 of 100 (Routine)
Marianna Sch For Boys	United States	Record low maximum temperature	25.0 C (77.0 F)	34 of 100 (Routine)
Cap Madeleine	Canada	Record daily precipitation	38.1 mm (1.5 in)	33 of 100 (Routine)
Wetumpka	United States	Record daily precipitation	113.0 mm (4.4 in)	33 of 100 (Routine)
Calera	United States	Record daily precipitation	120.1 mm (4.7 in)	31 of 100 (Routine)
Milstead	United States	Record daily precipitation	68.6 mm (2.7 in)	31 of 100 (Routine)
Tuskegee	United States	Record daily precipitation	50.8 mm (2.0 in)	31 of 100 (Routine)
Wetumpka	United States	Record low maximum temperature	24.4 C (75.9 F)	29 of 100 (Routine)
Clay Ctr	United States	Record daily precipitation	50.8 mm (2.0 in)	29 of 100 (Routine)
Derby	South Africa	Record daily precipitation	29.2 mm (1.1 in)	28 of 100 (Routine)
Troy	United States	Record daily precipitation	68.6 mm (2.7 in)	28 of 100 (Routine)
Yates Hydro Plt	United States	Record daily precipitation	54.6 mm (2.1 in)	28 of 100 (Routine)
Mt Pleasant 2 W	United States	Record low maximum temperature	26.1 C (79.0 F)	28 of 100 (Routine)
Selma	United States	Record low maximum temperature	26.7 C (80.1 F)	27 of 100 (Routine)
Kheri	India	Record daily precipitation	131.1 mm (5.2 in)	26 of 100 (Routine)
Lincoln Lock 4	United States	Record low maximum temperature	23.9 C (75.0 F)	26 of 100 (Routine)
Tuskegee	United States	Record low maximum temperature	25.0 C (77.0 F)	26 of 100 (Routine)
De Funiak Springs 1 E	United States	Record low maximum temperature	25.0 C (77.0 F)	26 of 100 (Routine)
Columbus 4 ESE	United States	Record low maximum temperature	27.8 C (82.0 F)	26 of 100 (Routine)
Hakalau 142	United States	Record daily precipitation	77.5 mm (3.1 in)	26 of 100 (Routine)
Malvan	India	Record daily precipitation	86.9 mm (3.4 in)	25 of 100 (Routine)
Montgomery Wb City	United States	Record low maximum temperature	23.9 C (75.0 F)	25 of 100 (Routine)
Harlan	United States	Record daily precipitation	55.6 mm (2.2 in)	25 of 100 (Routine)
St Albans	Canada	Record high minimum temperature	18.3 C (64.9 F)	24 of 100 (Routine)
Kudal	India	Record daily precipitation	130.3 mm (5.1 in)	24 of 100 (Routine)
Goodwater	United States	Record low maximum temperature	22.8 C (73.0 F)	24 of 100 (Routine)
Goodwater	United States	Record daily precipitation	67.3 mm (2.6 in)	24 of 100 (Routine)
Newnan 7 WNW	United States	Record low maximum temperature	25.0 C (77.0 F)	24 of 100 (Routine)
Rome	United States	Record low maximum temperature	25.0 C (77.0 F)	24 of 100 (Routine)
Zion Np	United States	Record high maximum temperature	44.4 C (111.9 F)	24 of 100 (Routine)
Yarmouth	Canada	Record high maximum temperature	26.7 C (80.1 F)	23 of 100 (Routine)
Pitea	Sweden	Record high minimum temperature	16.0 C (60.8 F)	23 of 100 (Routine)
Tallapoosa 2 N	United States	Record low maximum temperature	23.9 C (75.0 F)	23 of 100 (Routine)
Leakesville 6 WSW	United States	Record daily precipitation	48.3 mm (1.9 in)	22 of 100 (Routine)
Minnedosa	Canada	Record high minimum temperature	18.3 C (64.9 F)	21 of 100 (Routine)
Parlakimedi	India	Record daily precipitation	77.7 mm (3.1 in)	21 of 100 (Routine)
Kamiesberg	South Africa	Record daily precipitation	46.5 mm (1.8 in)	21 of 100 (Routine)
Oranjerivier (Sar)	South Africa	Record daily precipitation	24.4 mm (1.0 in)	20 of 100 (Routine)
Middleburg	South Africa	Record daily precipitation	14.2 mm (0.6 in)	20 of 100 (Routine)
Gannapan	South Africa	Record daily precipitation	15.7 mm (0.6 in)	20 of 100 (Routine)
Arad	Romania	Record daily precipitation	18.9 mm (0.7 in)	20 of 100 (Routine)
Murraysburg (Pol)	South Africa	Record daily precipitation	9.9 mm (0.39 in)	20 of 100 (Routine)
Noupoort	South Africa	Record daily precipitation	11.7 mm (0.5 in)	20 of 100 (Routine)
Inverloch	Australia	Record daily precipitation	18.0 mm (0.7 in)	20 of 100 (Routine)
Welgelegen(Middlemnt	South Africa	Record daily precipitation	16.0 mm (0.6 in)	20 of 100 (Routine)

Counts by Type and Timescale

340 records

Records set or tied on 16 August 1939 by type: Highest daily maximum 64, Lowest daily maximum 42, Highest daily minimum 44, Lowest daily minimum 14, Heaviest daily rainfall 176.

Records on 16 August 1939 by type
Record type	Records
Highest daily maximum	64
Lowest daily maximum	42
Highest daily minimum	44
Lowest daily minimum	14
Heaviest daily rainfall	176
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 16 August 1939 by timescale: all-time 3, monthly 12, daily 325.

How Much Records Were Beaten By

282 broken records

Margins by which the 282 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 104.9. Ties are not counted.

Top 20 by Significance

16 August 1939

Top 20 records on 16 August 1939 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
16 August 1939	Montgomery Wb City, US	monthly rain	177.0 mm (7.0 in)	93.7 mm (3.7 in)	35 years	66 of 100 (Major)
16 August 1939	Highland Home, US	monthly rain	198.1 mm (7.8 in)	104.9 mm (4.1 in)	23 years	60 of 100 (Major)
16 August 1939	Prattville, US	all-time rain	205.7 mm (8.1 in)	45.7 mm (1.8 in)	19 years	57 of 100 (Notable)
16 August 1939	Marion 1 N, US	monthly rain	153.4 mm (6.0 in)	77.2 mm (3.0 in)	5 years	55 of 100 (Notable)
16 August 1939	Selma, US	daily rain	129.5 mm (5.1 in)	59.6 mm (2.3 in)	37 years	55 of 100 (Notable)
16 August 1939	Springbok, ZA	daily rain	43.2 mm (1.7 in)	33.0 mm (1.3 in)	28 years	52 of 100 (Notable)
16 August 1939	Reit Im Winkl, DE	daily rain	60.8 mm (2.4 in)	35.7 mm (1.4 in)	32 years	45 of 100 (Notable)
16 August 1939	Cradock, ZA	monthly rain	30.0 mm (1.2 in)	7.1 mm (0.28 in)	46 years	44 of 100 (Notable)
16 August 1939	Clanton, US	monthly rain	136.1 mm (5.4 in)	26.9 mm (1.1 in)	35 years	43 of 100 (Notable)
16 August 1939	Salzburg, AT	daily rain	63.1 mm (2.5 in)	34.7 mm (1.4 in)	32 years	42 of 100 (Notable)
16 August 1939	Peddapuram, IN	daily rain	83.1 mm (3.3 in)	44.2 mm (1.7 in)	36 years	41 of 100 (Notable)
16 August 1939	Esperanza, ZA	daily rain	33.8 mm (1.3 in)	21.6 mm (0.9 in)	30 years	41 of 100 (Notable)
16 August 1939	Merrill, US	daily rain	62.5 mm (2.5 in)	41.7 mm (1.6 in)	4 years	37 of 100 (Notable)
16 August 1939	Honohina 137, US	daily rain	103.4 mm (4.1 in)	67.3 mm (2.6 in)	8 years	35 of 100 (Notable)
16 August 1939	Groenfontein "Montagu", ZA	monthly rain	50.8 mm (2.0 in)	12.7 mm (0.5 in)	22 years	34 of 100 (Routine)
16 August 1939	Greenville, US	daily rain	76.7 mm (3.0 in)	25.9 mm (1.0 in)	37 years	34 of 100 (Routine)
16 August 1939	Marianna Sch For Boys, US	daily low max	25.0 C (77.0 F)	4.4 C (7.9 F)	37 years	34 of 100 (Routine)
16 August 1939	Cap Madeleine, CA	daily rain	38.1 mm (1.5 in)	14.5 mm (0.6 in)	44 years	33 of 100 (Routine)
16 August 1939	Wetumpka, US	monthly rain	113.0 mm (4.4 in)	26.6 mm (1.0 in)	3 years	33 of 100 (Routine)
16 August 1939	Calera, US	monthly rain	120.1 mm (4.7 in)	23.8 mm (0.9 in)	0 years	31 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 1939

Records set or tied on this calendar date in each year from 1793 to 1939. 1939 had 340 records.

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

Records on 08-16 in each year
Year	Records
1793	1
1802	2
1811	1
1827	1
1833	1
1835	1
1838	1
1841	1
1844	2
1850	1
1856	1
1861	2
1862	1
1863	1
1868	2
1869	1
1871	1
1873	1
1875	2
1876	5
1878	1
1879	3
1880	2
1882	2
1883	2
1885	4
1886	1
1887	2
1888	5
1890	5
1891	2
1893	6
1894	1
1895	4
1896	5
1897	4
1898	6
1899	2
1900	3
1901	7
1902	5
1903	12
1904	9
1905	9
1906	11
1907	20
1908	31
1909	25
1910	14
1911	16
1912	30
1913	88
1914	10
1915	32
1916	147
1917	27
1918	72
1919	13
1920	144
1921	42
1922	148
1923	135
1924	139
1925	92
1926	165
1927	314
1928	207
1929	509
1930	158
1931	336
1932	348
1933	260
1934	504
1935	496
1936	728
1937	818
1938	700
1939	340
1940	287
1941	371
1942	447
1943	579
1944	467
1945	370
1946	313
1947	477
1948	342
1949	345
1950	305
1951	423
1952	552
1953	558
1954	648
1955	558
1956	413
1957	402
1958	1,013
1959	354
1960	518
1961	866
1962	423
1963	897
1964	831
1965	565
1966	433
1967	829
1968	824
1969	684
1970	386
1971	641
1972	997
1973	592
1974	689
1975	766
1976	1,153
1977	831
1978	835
1979	1,698
1980	855
1981	766
1982	516
1983	1,251
1984	662
1985	1,063
1986	811
1987	1,120
1988	1,594
1989	730
1990	702
1991	601
1992	2,027
1993	820
1994	1,075
1995	1,542
1996	678
1997	1,284
1998	865
1999	697
2000	873
2001	1,136
2002	1,258
2003	1,220
2004	1,239
2005	813
2006	894
2007	1,442
2008	1,183
2009	1,128
2010	1,239
2011	896
2012	670
2013	770
2014	640
2015	841
2016	786
2017	672
2018	412
2019	430
2020	1,382
2021	825
2022	1,145
2023	1,354
2024	765
2025	661
2026	661

Download the Data

Data for records on 1939-08-16: 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	250
20 to 40	22
40 to 60	6
60 to 80	2
80 to 100	1
100 to 120	1