Weather Records on 14 August 1918

60 weather records were set or tied worldwide on 14 August 1918. Highest significance: Northfield, US.

Key Facts for 14 August 1918

On 14 August 1918, 60 weather records were set or tied at long-record stations worldwide.
43 were record highs and 3 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 0 monthly and 59 daily.
Northfield set a daily record precipitation of 53.3 mm (2.1 in) on 14 August 1918.
Across 166 earlier years (1793 to 2026) the same calendar date averaged 465 records.

Record Map

60 stations

60 station records on 14 August 1918 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 14 August 1918: highest significance records shown on the map
Station	Country	Type	Value	Significance
Northfield	United States	Record daily precipitation	53.3 mm (2.1 in)	51 of 100 (Notable)
Newark Liberty Intl AP	United States	Record high maximum temperature	36.1 C (97.0 F)	32 of 100 (Routine)
Second Valley (Poolamacca)	Australia	Record daily precipitation	25.7 mm (1.0 in)	30 of 100 (Routine)
Lakefield	Canada	Record high maximum temperature	38.9 C (102.0 F)	27 of 100 (Routine)
Alton	Canada	Record high maximum temperature	36.1 C (97.0 F)	26 of 100 (Routine)
Bjuroklubb	Sweden	Record daily precipitation	26.0 mm (1.0 in)	26 of 100 (Routine)
Ny City Cntrl Park	United States	Record high maximum temperature	35.6 C (96.1 F)	22 of 100 (Routine)
Woodstock West	Australia	Record daily precipitation	21.8 mm (0.9 in)	20 of 100 (Routine)
Guelph Oac	Canada	Record high maximum temperature	32.8 C (91.0 F)	20 of 100 (Routine)
Portland	United States	Record high maximum temperature	32.2 C (90.0 F)	20 of 100 (Routine)
World Trade Ctr	United States	Record high maximum temperature	33.3 C (91.9 F)	20 of 100 (Routine)
Hamilton	Canada	Record high minimum temperature	21.1 C (70.0 F)	19 of 100 (Routine)
Cleveland 2717 Euclid	United States	Record high minimum temperature	22.2 C (72.0 F)	19 of 100 (Routine)
Ottawa	Canada	Record high minimum temperature	20.0 C (68.0 F)	18 of 100 (Routine)
Lakefield	Canada	Record high minimum temperature	20.6 C (69.1 F)	18 of 100 (Routine)
Wilmington Wb City	United States	Record high minimum temperature	25.6 C (78.1 F)	18 of 100 (Routine)
Cornwall	United States	Record daily precipitation	25.4 mm (1.0 in)	18 of 100 (Routine)
Lexington Bluegrass AP	United States	Record daily precipitation	15.5 mm (0.6 in)	18 of 100 (Routine)
Lucknow	Canada	Record high minimum temperature	20.0 C (68.0 F)	17 of 100 (Routine)
Munchen-Nymphenburg	Germany	Record daily precipitation	22.5 mm (0.9 in)	17 of 100 (Routine)
Perm	Russia	Record daily precipitation	17.3 mm (0.7 in)	16 of 100 (Routine)
Lexington Bluegrass AP	United States	Record high maximum temperature	33.9 C (93.0 F)	15 of 100 (Routine)
Port Douglas - Warner St	Australia	Record daily precipitation	1.3 mm (0.05 in)	14 of 100 (Routine)
Collarenebri (Albert St)	Australia	Record daily precipitation	6.9 mm (0.27 in)	14 of 100 (Routine)
Vasteras-Hasslo	Sweden	Record high minimum temperature	16.0 C (60.8 F)	14 of 100 (Routine)
Belle Isle	Canada	Record low minimum temperature	2.8 C (37.0 F)	13 of 100 (Routine)
Storrs	United States	Record high maximum temperature	32.8 C (91.0 F)	13 of 100 (Routine)
Wilmington Wb City	United States	Record high maximum temperature	36.1 C (97.0 F)	13 of 100 (Routine)
Nekarboo	Australia	Record daily precipitation	5.6 mm (0.22 in)	12 of 100 (Routine)
Brantford	Canada	Record high minimum temperature	20.0 C (68.0 F)	12 of 100 (Routine)
Morgantown 1	United States	Record daily precipitation	30.2 mm (1.2 in)	11 of 100 (Routine)
Blue Hill Coop	United States	Record high maximum temperature	32.8 C (91.0 F)	10 of 100 (Routine)
Vineland	United States	Record high maximum temperature	35.6 C (96.1 F)	10 of 100 (Routine)
Northfield	United States	Record high maximum temperature	30.6 C (87.1 F)	10 of 100 (Routine)
Cape May 2 NW	United States	Record high maximum temperature	33.3 C (91.9 F)	9 of 100 (Routine)
Philadelphia City	United States	Record high maximum temperature	34.4 C (93.9 F)	9 of 100 (Routine)
Hanover	United States	Record daily precipitation	21.8 mm (0.9 in)	8 of 100 (Routine)
Burlington	United States	Record high maximum temperature	29.4 C (84.9 F)	8 of 100 (Routine)
Setauket Strong	United States	Record high maximum temperature	32.2 C (90.0 F)	7 of 100 (Routine)
Setauket Strong	United States	Record high minimum temperature	22.8 C (73.0 F)	7 of 100 (Routine)
Renfrew	Canada	Record high minimum temperature	19.4 C (66.9 F)	5 of 100 (Routine)
Haliburton A	Canada	Record high maximum temperature	33.9 C (93.0 F)	5 of 100 (Routine)
Montreal McGill	Canada	Record high minimum temperature	21.7 C (71.1 F)	4 of 100 (Routine)
Fredericton Unb	Canada	Record high maximum temperature	30.0 C (86.0 F)	4 of 100 (Routine)
Toledo Blade	United States	Record high minimum temperature	21.1 C (70.0 F)	4 of 100 (Routine)
Northfield	United States	Record high minimum temperature	15.6 C (60.1 F)	4 of 100 (Routine)
Baltimore Customs House	United States	Record high maximum temperature	35.6 C (96.1 F)	4 of 100 (Routine)
Georgetown	Canada	Record daily precipitation	3.6 mm (0.14 in)	3 of 100 (Routine)
Stornoway Airport	United Kingdom	Record high minimum temperature	13.3 C (55.9 F)	3 of 100 (Routine)
Kiev	Ukraine	Record low minimum temperature	8.2 C (46.8 F)	3 of 100 (Routine)
Lexington Bluegrass AP	United States	Record high minimum temperature	21.1 C (70.0 F)	3 of 100 (Routine)
Morris W Cntrl Rsch & Outreach	United States	Record low minimum temperature	11.1 C (52.0 F)	2 of 100 (Routine)
Harrisburg - Coop	United States	Record high maximum temperature	33.3 C (91.9 F)	2 of 100 (Routine)
Newark Liberty Intl AP	United States	Record high minimum temperature	23.9 C (75.0 F)	2 of 100 (Routine)
Owen Sound	Canada	Record high minimum temperature	18.9 C (66.0 F)	1 of 100 (Routine)
Blue Hill Coop	United States	Record high minimum temperature	21.1 C (70.0 F)	1 of 100 (Routine)
Alma	United States	Record high minimum temperature	17.8 C (64.0 F)	1 of 100 (Routine)
State College	United States	Record high minimum temperature	20.6 C (69.1 F)	1 of 100 (Routine)
Atlantic City Marina	United States	Record high maximum temperature	32.2 C (90.0 F)	1 of 100 (Routine)
Atlantic City Marina	United States	Record high minimum temperature	22.2 C (72.0 F)	1 of 100 (Routine)

Counts by Type and Timescale

60 records

Records set or tied on 14 August 1918 by type: Highest daily maximum 22, Highest daily minimum 21, Lowest daily minimum 3, Heaviest daily rainfall 14.

Records on 14 August 1918 by type
Record type	Records
Highest daily maximum	22
Lowest daily maximum	0
Highest daily minimum	21
Lowest daily minimum	3
Heaviest daily rainfall	14
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 14 August 1918 by timescale: all-time 1, monthly 0, daily 59.

How Much Records Were Beaten By

45 broken records

Margins by which the 45 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 47.5. Ties are not counted.

Top 20 by Significance

14 August 1918

Top 20 records on 14 August 1918 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
14 August 1918	Northfield, US	daily rain	53.3 mm (2.1 in)	47.5 mm (1.9 in)	28 years	51 of 100 (Notable)
14 August 1918	Newark Liberty Intl AP, US	daily high max	36.1 C (97.0 F)	2.2 C (4.0 F)	64 years	32 of 100 (Routine)
14 August 1918	Second Valley (Poolamacca), AU	daily rain	25.7 mm (1.0 in)	12.2 mm (0.5 in)	21 years	30 of 100 (Routine)
14 August 1918	Lakefield, CA	all-time high max	38.9 C (102.0 F)	1.1 C (2.0 F)	7 years	27 of 100 (Routine)
14 August 1918	Alton, CA	daily high max	36.1 C (97.0 F)	7.8 C (14.0 F)	16 years	26 of 100 (Routine)
14 August 1918	Bjuroklubb, SE	daily rain	26.0 mm (1.0 in)	10.0 mm (0.4 in)	25 years	26 of 100 (Routine)
14 August 1918	Ny City Cntrl Park, US	daily high max	35.6 C (96.1 F)	1.7 C (3.1 F)	45 years	22 of 100 (Routine)
14 August 1918	Woodstock West, AU	daily rain	21.8 mm (0.9 in)	10.4 mm (0.4 in)	1 year	20 of 100 (Routine)
14 August 1918	Guelph Oac, CA	daily high max	32.8 C (91.0 F)	2.8 C (5.0 F)	33 years	20 of 100 (Routine)
14 August 1918	Portland, US	daily high max	32.2 C (90.0 F)	1.6 C (2.9 F)	42 years	20 of 100 (Routine)
14 August 1918	World Trade Ctr, US	daily high max	33.3 C (91.9 F)	1.1 C (2.0 F)	45 years	20 of 100 (Routine)
14 August 1918	Hamilton, CA	daily high min	21.1 C (70.0 F)	0.5 C (0.9 F)	45 years	19 of 100 (Routine)
14 August 1918	Cleveland 2717 Euclid, US	daily high min	22.2 C (72.0 F)	0.5 C (0.9 F)	46 years	19 of 100 (Routine)
14 August 1918	Ottawa, CA	daily high min	20.0 C (68.0 F)	0.6 C (1.1 F)	45 years	18 of 100 (Routine)
14 August 1918	Lakefield, CA	daily high min	20.6 C (69.1 F)	2.3 C (4.1 F)	27 years	18 of 100 (Routine)
14 August 1918	Wilmington Wb City, US	daily high min	25.6 C (78.1 F)	1.2 C (2.2 F)	32 years	18 of 100 (Routine)
14 August 1918	Cornwall, US	daily rain	25.4 mm (1.0 in)	8.9 mm (0.35 in)	29 years	18 of 100 (Routine)
14 August 1918	Lexington Bluegrass AP, US	daily rain	15.5 mm (0.6 in)	7.6 mm (0.30 in)	28 years	18 of 100 (Routine)
14 August 1918	Lucknow, CA	daily high min	20.0 C (68.0 F)	3.9 C (7.0 F)	17 years	17 of 100 (Routine)
14 August 1918	Munchen-Nymphenburg, DE	daily rain	22.5 mm (0.9 in)	5.6 mm (0.22 in)	23 years	17 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 1918

Records set or tied on this calendar date in each year from 1793 to 1918. 1918 had 60 records.

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

Records on 08-14 in each year
Year	Records
1793	2
1807	1
1815	1
1818	1
1825	1
1833	2
1839	1
1841	1
1843	1
1845	2
1856	2
1857	1
1859	1
1861	1
1864	3
1865	1
1866	2
1868	1
1870	1
1871	1
1872	1
1873	1
1874	1
1876	4
1882	1
1884	1
1885	3
1886	1
1887	3
1889	2
1890	1
1891	1
1892	3
1893	2
1894	2
1895	3
1896	5
1897	5
1898	2
1899	2
1900	1
1901	1
1902	8
1903	8
1904	3
1905	10
1906	8
1907	6
1908	28
1909	35
1910	10
1911	30
1912	56
1913	24
1914	16
1915	17
1916	109
1917	38
1918	60
1919	103
1920	56
1921	61
1922	54
1923	92
1924	319
1925	128
1926	182
1927	147
1928	233
1929	449
1930	627
1931	410
1932	314
1933	349
1934	470
1935	314
1936	612
1937	354
1938	519
1939	376
1940	489
1941	467
1942	364
1943	583
1944	709
1945	572
1946	511
1947	658
1948	373
1949	374
1950	402
1951	458
1952	560
1953	312
1954	457
1955	535
1956	426
1957	281
1958	421
1959	495
1960	414
1961	663
1962	885
1963	811
1964	1,394
1965	451
1966	388
1967	902
1968	1,315
1969	482
1970	398
1971	677
1972	552
1973	489
1974	542
1975	461
1976	1,060
1977	562
1978	834
1979	1,115
1980	544
1981	719
1982	539
1983	775
1984	598
1985	1,095
1986	775
1987	1,157
1988	1,301
1989	728
1990	737
1991	856
1992	1,709
1993	887
1994	1,149
1995	1,444
1996	954
1997	922
1998	1,100
1999	1,329
2000	1,117
2001	806
2002	1,576
2003	1,913
2004	1,936
2005	1,340
2006	1,073
2007	1,340
2008	798
2009	818
2010	1,704
2011	772
2012	758
2013	612
2014	651
2015	931
2016	824
2017	559
2018	397
2019	578
2020	1,009
2021	932
2022	771
2023	1,116
2024	1,045
2025	798
2026	1,211

Download the Data

Data for records on 1918-08-14: 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 14 August 1918
Margin	Records
0 to 10	41
10 to 20	3
20 to 30	0
30 to 40	0
40 to 50	1