Weather Records on 12 March 1917

54 weather records were set or tied worldwide on 12 March 1917. Highest significance: Vanersborg, SE.

Key Facts for 12 March 1917

On 12 March 1917, 54 weather records were set or tied at long-record stations worldwide.
3 were record highs and 8 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 1 monthly and 53 daily.
Vanersborg set a daily record precipitation of 28.7 mm (1.1 in) on 12 March 1917.
Across 158 earlier years (1810 to 2026) the same calendar date averaged 498 records.

Record Map

54 stations

54 station records on 12 March 1917 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 12 March 1917: highest significance records shown on the map
Station	Country	Type	Value	Significance
Vanersborg	Sweden	Record daily precipitation	28.7 mm (1.1 in)	44 of 100 (Notable)
Madison Wb City	United States	Record daily snowfall	15.7 cm (6.2 in)	36 of 100 (Notable)
Uniondale (Tnk)	South Africa	Record daily precipitation	56.4 mm (2.2 in)	31 of 100 (Routine)
Bloukrans (Bos)	South Africa	Record daily precipitation	62.0 mm (2.4 in)	30 of 100 (Routine)
New Westminster	Canada	Record daily snowfall	12.7 cm (5.0 in)	29 of 100 (Routine)
Ladismith (Tnk)	South Africa	Record daily precipitation	38.1 mm (1.5 in)	27 of 100 (Routine)
Oudtshoorn	South Africa	Record daily precipitation	41.4 mm (1.6 in)	21 of 100 (Routine)
Vestervig	Denmark	Record daily precipitation	23.3 mm (0.9 in)	20 of 100 (Routine)
Maseskar	Sweden	Record daily precipitation	22.3 mm (0.9 in)	20 of 100 (Routine)
Skara 1	Sweden	Record daily precipitation	9.8 mm (0.39 in)	20 of 100 (Routine)
Gronbaek-Allingskovgard	Denmark	Record daily precipitation	9.2 mm (0.36 in)	20 of 100 (Routine)
Matjiesfontein (Sar)	South Africa	Record daily precipitation	5.8 mm (0.23 in)	20 of 100 (Routine)
Huron Rgnl AP	United States	Record daily precipitation	6.6 mm (0.26 in)	20 of 100 (Routine)
Knysna (Tnk)	South Africa	Record daily precipitation	49.5 mm (1.9 in)	19 of 100 (Routine)
Jansenville	South Africa	Record daily precipitation	56.1 mm (2.2 in)	19 of 100 (Routine)
Lincoln UNIV Pwr Plt	United States	Record daily precipitation	17.5 mm (0.7 in)	19 of 100 (Routine)
Nidingen A	Sweden	Record daily precipitation	11.9 mm (0.5 in)	18 of 100 (Routine)
San Diego Wbo	United States	Record low minimum temperature	4.4 C (39.9 F)	18 of 100 (Routine)
George Airport	South Africa	Record daily precipitation	44.2 mm (1.7 in)	17 of 100 (Routine)
Willowmore	South Africa	Record daily precipitation	46.5 mm (1.8 in)	17 of 100 (Routine)
Montgomery Wb City	United States	Record high minimum temperature	18.9 C (66.0 F)	17 of 100 (Routine)
Concordia ASOS	United States	Record daily precipitation	11.7 mm (0.5 in)	16 of 100 (Routine)
Nordby (Fano)	Denmark	Record low minimum temperature	-8.0 C (17.6 F)	15 of 100 (Routine)
Atyrau	Kazakhstan	Record daily precipitation	4.5 mm (0.18 in)	15 of 100 (Routine)
Madison Wb City	United States	Record daily precipitation	15.7 mm (0.6 in)	15 of 100 (Routine)
Saddleworth	Australia	Record daily precipitation	1.8 mm (0.07 in)	14 of 100 (Routine)
Barkly West (Tnk)	South Africa	Record daily precipitation	34.5 mm (1.4 in)	14 of 100 (Routine)
San Diego Wbo	United States	Record low maximum temperature	12.8 C (55.0 F)	14 of 100 (Routine)
Hamley Bridge	Australia	Record daily precipitation	0.8 mm (0.03 in)	13 of 100 (Routine)
Riverton	Australia	Record daily precipitation	0.5 mm (0.02 in)	13 of 100 (Routine)
Sacramento 5 ESE	United States	Record low minimum temperature	1.1 C (34.0 F)	13 of 100 (Routine)
Freeling Railway	Australia	Record daily precipitation	0.8 mm (0.03 in)	12 of 100 (Routine)
Stockport	Australia	Record daily precipitation	1.0 mm (0.04 in)	12 of 100 (Routine)
Mount Barker	Australia	Record daily precipitation	5.3 mm (0.21 in)	12 of 100 (Routine)
Morgan Post Office	Australia	Record daily precipitation	0.3 mm (0.01 in)	12 of 100 (Routine)
Sedan	Australia	Record daily precipitation	0.8 mm (0.03 in)	12 of 100 (Routine)
West Terschelling	Netherlands	Record daily precipitation	10.9 mm (0.4 in)	12 of 100 (Routine)
Enisejsk	Russia	Record daily precipitation	2.3 mm (0.09 in)	12 of 100 (Routine)
Nikolaevsk-Na-Amure	Russia	Record low minimum temperature	-31.7 C (-25.1 F)	12 of 100 (Routine)
Vastervik	Sweden	Record low minimum temperature	-16.0 C (3.2 F)	12 of 100 (Routine)
Lake Cochituate	United States	Record daily precipitation	15.7 mm (0.6 in)	11 of 100 (Routine)
Nikolaevsk-Na-Amure	Russia	Record daily precipitation	2.8 mm (0.11 in)	10 of 100 (Routine)
Aberdeen (Tnk)	South Africa	Record daily precipitation	36.8 mm (1.4 in)	10 of 100 (Routine)
Vinga	Sweden	Record daily precipitation	11.0 mm (0.4 in)	9 of 100 (Routine)
Tulbagh (Pol)	South Africa	Record daily precipitation	6.4 mm (0.25 in)	8 of 100 (Routine)
Sveg	Sweden	Record low minimum temperature	-28.5 C (-19.3 F)	8 of 100 (Routine)
Rupanyup (Lallat Plains)	Australia	Record daily precipitation	2.3 mm (0.09 in)	7 of 100 (Routine)
Komga (Pol)	South Africa	Record daily precipitation	28.7 mm (1.1 in)	7 of 100 (Routine)
Scheveningen	Netherlands	Record daily precipitation	9.3 mm (0.37 in)	6 of 100 (Routine)
Calitzdorp Pol	South Africa	Record daily precipitation	28.4 mm (1.1 in)	6 of 100 (Routine)
Port Elliott	Australia	Record daily precipitation	2.8 mm (0.11 in)	4 of 100 (Routine)
Houston Wb City	United States	Record high minimum temperature	20.0 C (68.0 F)	2 of 100 (Routine)
Chattanooga Wb City	United States	Record high minimum temperature	14.4 C (57.9 F)	2 of 100 (Routine)
Visby_Flygplats	Sweden	Record low minimum temperature	-9.5 C (14.9 F)	1 of 100 (Routine)

Counts by Type and Timescale

54 records

Records set or tied on 12 March 1917 by type: Lowest daily maximum 1, Highest daily minimum 3, Lowest daily minimum 7, Heaviest daily rainfall 41, Heaviest daily snowfall 2.

Records on 12 March 1917 by type
Record type	Records
Highest daily maximum	0
Lowest daily maximum	1
Highest daily minimum	3
Lowest daily minimum	7
Heaviest daily rainfall	41
Heaviest daily snowfall	2
Deepest snow cover	0

Records on 12 March 1917 by timescale: all-time 0, monthly 1, daily 53.

How Much Records Were Beaten By

51 broken records

Margins by which the 51 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 137.0. Ties are not counted.

Top 20 by Significance

12 March 1917

Top 20 records on 12 March 1917 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
12 March 1917	Vanersborg, SE	daily rain	28.7 mm (1.1 in)	15.2 mm (0.6 in)	12 years	44 of 100 (Notable)
12 March 1917	Madison Wb City, US	daily snowfall	15.7 cm (6.2 in)	13.7 cm (5.4 in)	21 years	36 of 100 (Notable)
12 March 1917	Uniondale (Tnk), ZA	daily rain	56.4 mm (2.2 in)	24.6 mm (1.0 in)	8 years	31 of 100 (Routine)
12 March 1917	Bloukrans (Bos), ZA	daily rain	62.0 mm (2.4 in)	29.0 mm (1.1 in)	8 years	30 of 100 (Routine)
12 March 1917	New Westminster, CA	daily snowfall	12.7 cm (5.0 in)	8.9 cm (3.5 in)	40 years	29 of 100 (Routine)
12 March 1917	Ladismith (Tnk), ZA	daily rain	38.1 mm (1.5 in)	18.3 mm (0.7 in)	8 years	27 of 100 (Routine)
12 March 1917	Oudtshoorn, ZA	daily rain	41.4 mm (1.6 in)	14.2 mm (0.6 in)	8 years	21 of 100 (Routine)
12 March 1917	Vestervig, DK	daily rain	23.3 mm (0.9 in)	16.7 mm (0.7 in)	2 years	20 of 100 (Routine)
12 March 1917	Maseskar, SE	monthly rain	22.3 mm (0.9 in)	6.0 mm (0.24 in)	21 years	20 of 100 (Routine)
12 March 1917	Skara 1, SE	daily rain	9.8 mm (0.39 in)	4.6 mm (0.18 in)	11 years	20 of 100 (Routine)
12 March 1917	Gronbaek-Allingskovgard, DK	daily rain	9.2 mm (0.36 in)	6.9 mm (0.27 in)	22 years	20 of 100 (Routine)
12 March 1917	Matjiesfontein (Sar), ZA	daily rain	5.8 mm (0.23 in)	5.8 mm (0.23 in)	37 years	20 of 100 (Routine)
12 March 1917	Huron Rgnl AP, US	daily rain	6.6 mm (0.26 in)	4.8 mm (0.19 in)	26 years	20 of 100 (Routine)
12 March 1917	Knysna (Tnk), ZA	daily rain	49.5 mm (1.9 in)	13.7 mm (0.5 in)	3 years	19 of 100 (Routine)
12 March 1917	Jansenville, ZA	daily rain	56.1 mm (2.2 in)	12.9 mm (0.5 in)	4 years	19 of 100 (Routine)
12 March 1917	Lincoln UNIV Pwr Plt, US	daily rain	17.5 mm (0.7 in)	15.0 mm (0.6 in)	25 years	19 of 100 (Routine)
12 March 1917	Nidingen A, SE	daily rain	11.9 mm (0.5 in)	2.1 mm (0.08 in)	32 years	18 of 100 (Routine)
12 March 1917	San Diego Wbo, US	daily low min	4.4 C (39.9 F)	0.6 C (1.1 F)	40 years	18 of 100 (Routine)
12 March 1917	George Airport, ZA	daily rain	44.2 mm (1.7 in)	12.5 mm (0.5 in)	3 years	17 of 100 (Routine)
12 March 1917	Willowmore, ZA	daily rain	46.5 mm (1.8 in)	10.9 mm (0.4 in)	8 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

1810 to 1917

Records set or tied on this calendar date in each year from 1810 to 1917. 1917 had 54 records.

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

Records on 03-12 in each year
Year	Records
1810	2
1822	2
1845	2
1847	2
1849	1
1854	1
1855	1
1857	1
1859	1
1860	2
1861	1
1862	1
1867	1
1878	1
1879	1
1881	2
1882	1
1883	3
1884	3
1885	1
1886	6
1887	1
1888	4
1890	5
1891	5
1892	1
1893	1
1894	2
1895	3
1896	2
1897	4
1899	2
1900	4
1901	3
1902	14
1903	8
1904	7
1905	12
1906	34
1907	9
1908	11
1909	26
1910	23
1911	15
1912	7
1913	19
1914	89
1915	17
1916	27
1917	54
1918	96
1919	50
1920	42
1921	59
1922	29
1923	165
1924	168
1925	127
1926	128
1927	399
1928	204
1929	324
1930	210
1931	159
1932	589
1933	290
1934	639
1935	330
1936	399
1937	189
1938	293
1939	525
1940	588
1941	215
1942	239
1943	194
1944	448
1945	241
1946	532
1947	727
1948	1,510
1949	544
1950	841
1951	475
1952	433
1953	298
1954	603
1955	613
1956	1,159
1957	371
1958	611
1959	513
1960	891
1961	432
1962	846
1963	669
1964	285
1965	422
1966	384
1967	1,135
1968	931
1969	1,254
1970	391
1971	481
1972	1,215
1973	890
1974	784
1975	540
1976	657
1977	1,834
1978	554
1979	606
1980	601
1981	1,112
1982	860
1983	1,057
1984	1,235
1985	886
1986	658
1987	728
1988	918
1989	1,402
1990	2,905
1991	607
1992	1,423
1993	931
1994	619
1995	1,067
1996	1,030
1997	990
1998	2,483
1999	636
2000	715
2001	1,392
2002	935
2003	703
2004	649
2005	1,020
2006	2,121
2007	1,652
2008	684
2009	1,148
2010	791
2011	494
2012	981
2013	874
2014	645
2015	793
2016	809
2017	702
2018	609
2019	865
2020	762
2021	659
2022	1,144
2023	877
2024	527
2025	615
2026	1,212

Download the Data

Data for records on 1917-03-12: 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	47
20 to 40	2
40 to 60	0
60 to 80	0
80 to 100	1
100 to 120	0
120 to 140	1