Weather Records on 11 March 1918

58 weather records were set or tied worldwide on 11 March 1918. Highest significance: San Diego Wbo, US.

Key Facts for 11 March 1918

On 11 March 1918, 58 weather records were set or tied at long-record stations worldwide.
4 were record highs and 18 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 0 monthly and 57 daily.
San Diego Wbo set a daily record precipitation of 45.0 mm (1.8 in) on 11 March 1918.
Across 166 earlier years (1793 to 2026) the same calendar date averaged 476 records.

Record Map

58 stations

58 station records on 11 March 1918 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 11 March 1918: highest significance records shown on the map
Station	Country	Type	Value	Significance
San Diego Wbo	United States	Record daily precipitation	45.0 mm (1.8 in)	59 of 100 (Notable)
Cardwell Marine Pde	Australia	Record daily precipitation	422.9 mm (16.6 in)	48 of 100 (Notable)
Chaplin	Canada	Record daily precipitation	38.1 mm (1.5 in)	47 of 100 (Notable)
Herberton White St	Australia	Record daily precipitation	152.9 mm (6.0 in)	46 of 100 (Notable)
Lakefield	Canada	Record daily snowfall	22.9 cm (9.0 in)	29 of 100 (Routine)
Charlottetown	Canada	Record daily snowfall	10.2 cm (4.0 in)	24 of 100 (Routine)
Qu'appelle	Canada	Record daily snowfall	10.2 cm (4.0 in)	23 of 100 (Routine)
Dublin Phoenix Park	Ireland	Record high maximum temperature	15.0 C (59.0 F)	23 of 100 (Routine)
Lakefield	Canada	Record daily precipitation	22.9 mm (0.9 in)	20 of 100 (Routine)
Qu'appelle	Canada	Record daily precipitation	10.2 mm (0.4 in)	20 of 100 (Routine)
Kallara	Australia	Record daily precipitation	10.2 mm (0.4 in)	20 of 100 (Routine)
Wanaaring Post Office	Australia	Record daily precipitation	23.4 mm (0.9 in)	19 of 100 (Routine)
Harden (East St)	Australia	Record daily precipitation	34.3 mm (1.4 in)	18 of 100 (Routine)
Swift Current	Canada	Record daily precipitation	10.2 mm (0.4 in)	17 of 100 (Routine)
Swift Current	Canada	Record daily snowfall	10.2 cm (4.0 in)	17 of 100 (Routine)
Saint John	Canada	Record low maximum temperature	-7.8 C (18.0 F)	17 of 100 (Routine)
Belle Isle	Canada	Record low minimum temperature	-25.0 C (-13.0 F)	17 of 100 (Routine)
Middletown 4 W	United States	Record low minimum temperature	-13.9 C (7.0 F)	17 of 100 (Routine)
Storrs	United States	Record low minimum temperature	-15.0 C (5.0 F)	17 of 100 (Routine)
Setauket Strong	United States	Record low minimum temperature	-10.0 C (14.0 F)	17 of 100 (Routine)
Halifax	Canada	Record low minimum temperature	-17.2 C (1.0 F)	16 of 100 (Routine)
Ft Bidwell	United States	Record daily precipitation	6.9 mm (0.27 in)	15 of 100 (Routine)
Nocoleche	Australia	Record daily precipitation	6.4 mm (0.25 in)	14 of 100 (Routine)
Burlington	United States	Record daily precipitation	18.3 mm (0.7 in)	14 of 100 (Routine)
Currawinya	Australia	Record daily precipitation	14.5 mm (0.6 in)	13 of 100 (Routine)
Goorimpa	Australia	Record daily precipitation	5.1 mm (0.20 in)	13 of 100 (Routine)
Gunnedah Pool	Australia	Record daily precipitation	19.1 mm (0.8 in)	13 of 100 (Routine)
Botany No.1 Dam	Australia	Record daily precipitation	26.2 mm (1.0 in)	13 of 100 (Routine)
Quebec	Canada	Record low maximum temperature	-12.2 C (10.0 F)	13 of 100 (Routine)
Hungerford	Australia	Record daily precipitation	8.1 mm (0.32 in)	12 of 100 (Routine)
Alton	Canada	Record low maximum temperature	-11.7 C (10.9 F)	12 of 100 (Routine)
Stoney Creek	Canada	Record daily snowfall	6.4 cm (2.5 in)	12 of 100 (Routine)
Blue Hill Coop	United States	Record low minimum temperature	-14.4 C (6.1 F)	12 of 100 (Routine)
Cradock	Australia	Record daily precipitation	0.5 mm (0.02 in)	11 of 100 (Routine)
Minnedosa	Canada	Record daily snowfall	5.1 cm (2.0 in)	11 of 100 (Routine)
Portland	United States	Record low minimum temperature	-14.4 C (6.1 F)	11 of 100 (Routine)
Cape May 2 NW	United States	Record low minimum temperature	-6.1 C (21.0 F)	11 of 100 (Routine)
State College	United States	Record low minimum temperature	-12.2 C (10.0 F)	11 of 100 (Routine)
Ravenswood Post Office	Australia	Record daily precipitation	27.2 mm (1.1 in)	10 of 100 (Routine)
Minnedosa	Canada	Record daily precipitation	5.1 mm (0.20 in)	10 of 100 (Routine)
Altastenberg	Germany	Record high maximum temperature	13.1 C (55.6 F)	10 of 100 (Routine)
Vineland	United States	Record low minimum temperature	-8.3 C (17.1 F)	10 of 100 (Routine)
Melrose Plains	Australia	Record daily precipitation	28.2 mm (1.1 in)	8 of 100 (Routine)
Rylstone (Ilford Rd)	Australia	Record daily precipitation	17.5 mm (0.7 in)	8 of 100 (Routine)
Rapid City Forrest	Canada	Record daily precipitation	5.8 mm (0.23 in)	7 of 100 (Routine)
Rapid City Forrest	Canada	Record daily snowfall	5.8 cm (2.3 in)	7 of 100 (Routine)
Normanton Post Office	Australia	Record daily precipitation	13.2 mm (0.5 in)	6 of 100 (Routine)
Chaplin	Canada	Record daily snowfall	38.1 cm (15.0 in)	6 of 100 (Routine)
Aleksandrovsk-Sahalinskij	Russia	Record high minimum temperature	-4.4 C (24.1 F)	6 of 100 (Routine)
Storrs	United States	Record low maximum temperature	-3.9 C (25.0 F)	4 of 100 (Routine)
Yarmouth	Canada	Record low minimum temperature	-11.1 C (12.0 F)	3 of 100 (Routine)
World Trade Ctr	United States	Record low minimum temperature	-8.9 C (16.0 F)	3 of 100 (Routine)
Atlantic City Marina	United States	Record low minimum temperature	-7.8 C (18.0 F)	3 of 100 (Routine)
Ny City Cntrl Park	United States	Record low minimum temperature	-8.3 C (17.1 F)	3 of 100 (Routine)
Queanbeyan Bowling Club	Australia	Record daily precipitation	17.3 mm (0.7 in)	2 of 100 (Routine)
Morden	Canada	Record daily precipitation	7.6 mm (0.30 in)	2 of 100 (Routine)
Morden	Canada	Record daily snowfall	7.6 cm (3.0 in)	2 of 100 (Routine)
San Diego Wbo	United States	Record high minimum temperature	14.4 C (57.9 F)	1 of 100 (Routine)

Counts by Type and Timescale

58 records

Records set or tied on 11 March 1918 by type: Highest daily maximum 2, Lowest daily maximum 4, Highest daily minimum 2, Lowest daily minimum 14, Heaviest daily rainfall 27, Heaviest daily snowfall 9.

Records on 11 March 1918 by type
Record type	Records
Highest daily maximum	2
Lowest daily maximum	4
Highest daily minimum	2
Lowest daily minimum	14
Heaviest daily rainfall	27
Heaviest daily snowfall	9
Deepest snow cover	0

Records on 11 March 1918 by timescale: all-time 1, monthly 0, daily 57.

How Much Records Were Beaten By

49 broken records

Margins by which the 49 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 295.9. Ties are not counted.

Top 20 by Significance

11 March 1918

Top 20 records on 11 March 1918 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
11 March 1918	San Diego Wbo, US	daily rain	45.0 mm (1.8 in)	24.7 mm (1.0 in)	62 years	59 of 100 (Notable)
11 March 1918	Cardwell Marine Pde, AU	daily rain	422.9 mm (16.6 in)	295.9 mm (11.6 in)	15 years	48 of 100 (Notable)
11 March 1918	Chaplin, CA	daily rain	38.1 mm (1.5 in)	25.4 mm (1.0 in)	13 years	47 of 100 (Notable)
11 March 1918	Herberton White St, AU	daily rain	152.9 mm (6.0 in)	93.5 mm (3.7 in)	16 years	46 of 100 (Notable)
11 March 1918	Lakefield, CA	daily snowfall	22.9 cm (9.0 in)	12.5 cm (4.9 in)	8 years	29 of 100 (Routine)
11 March 1918	Charlottetown, CA	daily snowfall	10.2 cm (4.0 in)	3.8 cm (1.5 in)	42 years	24 of 100 (Routine)
11 March 1918	Qu'appelle, CA	daily snowfall	10.2 cm (4.0 in)	8.7 cm (3.4 in)	11 years	23 of 100 (Routine)
11 March 1918	Dublin Phoenix Park, IE	daily high max	15.0 C (59.0 F)	1.4 C (2.5 F)	46 years	23 of 100 (Routine)
11 March 1918	Lakefield, CA	daily rain	22.9 mm (0.9 in)	12.5 mm (0.5 in)	8 years	20 of 100 (Routine)
11 March 1918	Qu'appelle, CA	daily rain	10.2 mm (0.4 in)	8.7 mm (0.34 in)	11 years	20 of 100 (Routine)
11 March 1918	Kallara, AU	daily rain	10.2 mm (0.4 in)	8.2 mm (0.32 in)	33 years	20 of 100 (Routine)
11 March 1918	Wanaaring Post Office, AU	daily rain	23.4 mm (0.9 in)	20.9 mm (0.8 in)	12 years	19 of 100 (Routine)
11 March 1918	Harden (East St), AU	daily rain	34.3 mm (1.4 in)	10.7 mm (0.4 in)	30 years	18 of 100 (Routine)
11 March 1918	Swift Current, CA	daily rain	10.2 mm (0.4 in)	4.1 mm (0.16 in)	13 years	17 of 100 (Routine)
11 March 1918	Swift Current, CA	daily snowfall	10.2 cm (4.0 in)	4.1 cm (1.6 in)	13 years	17 of 100 (Routine)
11 March 1918	Saint John, CA	daily low max	-7.8 C (18.0 F)	1.7 C (3.1 F)	32 years	17 of 100 (Routine)
11 March 1918	Belle Isle, CA	daily low min	-25.0 C (-13.0 F)	3.9 C (7.0 F)	27 years	17 of 100 (Routine)
11 March 1918	Middletown 4 W, US	daily low min	-13.9 C (7.0 F)	2.2 C (4.0 F)	32 years	17 of 100 (Routine)
11 March 1918	Storrs, US	daily low min	-15.0 C (5.0 F)	5.0 C (9.0 F)	17 years	17 of 100 (Routine)
11 March 1918	Setauket Strong, US	daily low min	-10.0 C (14.0 F)	3.9 C (7.0 F)	17 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 58 records.

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

Records on 03-11 in each year
Year	Records
1793	1
1810	3
1814	1
1822	1
1844	1
1845	2
1847	3
1849	1
1850	2
1854	3
1855	1
1858	3
1859	1
1860	2
1862	1
1863	1
1868	1
1870	1
1874	2
1877	1
1878	1
1879	2
1880	1
1881	5
1882	2
1883	1
1884	1
1885	2
1886	3
1888	4
1889	1
1890	4
1891	5
1892	3
1893	2
1894	6
1896	4
1897	4
1898	2
1899	1
1900	4
1901	13
1902	8
1903	12
1904	7
1905	6
1906	38
1907	7
1908	10
1909	26
1910	19
1911	19
1912	19
1913	22
1914	25
1915	18
1916	29
1917	49
1918	58
1919	39
1920	15
1921	66
1922	42
1923	78
1924	265
1925	264
1926	134
1927	277
1928	119
1929	210
1930	105
1931	273
1932	1,123
1933	300
1934	764
1935	520
1936	356
1937	188
1938	120
1939	569
1940	417
1941	265
1942	225
1943	251
1944	304
1945	262
1946	461
1947	234
1948	2,148
1949	329
1950	671
1951	677
1952	804
1953	330
1954	489
1955	1,103
1956	964
1957	521
1958	441
1959	189
1960	1,115
1961	353
1962	674
1963	440
1964	296
1965	386
1966	539
1967	1,272
1968	519
1969	1,093
1970	389
1971	552
1972	1,320
1973	1,406
1974	956
1975	592
1976	375
1977	1,690
1978	579
1979	891
1980	472
1981	1,539
1982	807
1983	943
1984	743
1985	829
1986	747
1987	596
1988	1,176
1989	1,894
1990	2,496
1991	532
1992	1,083
1993	561
1994	689
1995	1,138
1996	1,339
1997	1,152
1998	2,609
1999	533
2000	1,199
2001	802
2002	736
2003	935
2004	826
2005	988
2006	1,590
2007	830
2008	816
2009	1,195
2010	966
2011	734
2012	868
2013	949
2014	556
2015	897
2016	1,249
2017	483
2018	479
2019	767
2020	605
2021	980
2022	1,203
2023	984
2024	424
2025	699
2026	1,580

Download the Data

Data for records on 1918-03-11: 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 50	45
50 to 100	2
100 to 150	1
150 to 200	0
200 to 250	0
250 to 300	1