Weather Records on 17 March 1991

756 weather records were set or tied worldwide on 17 March 1991. Highest significance: Delmas (Pol), ZA.

Key Facts for 17 March 1991

On 17 March 1991, 756 weather records were set or tied at long-record stations worldwide.
260 were record highs and 135 were record lows, counting maximum and minimum temperature.
By timescale, 4 were all-time records, 35 monthly and 717 daily.
Delmas (Pol) set a daily record precipitation of 83.0 mm (3.3 in) on 17 March 1991.
Across 161 earlier years (1825 to 2026) the same calendar date averaged 473 records.

Record Map

756 stations

756 station records on 17 March 1991 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 17 March 1991: highest significance records shown on the map
Station	Country	Type	Value	Significance
Delmas (Pol)	South Africa	Record daily precipitation	83.0 mm (3.3 in)	72 of 100 (Major)
Warsaw	United States	Record daily precipitation	27.2 mm (1.1 in)	62 of 100 (Major)
Premier Mine-Cullinan	South Africa	Record daily precipitation	89.0 mm (3.5 in)	58 of 100 (Notable)
Shurchi	Uzbekistan	Record daily precipitation	30.0 mm (1.2 in)	57 of 100 (Notable)
Edenburg (Pol)	South Africa	Record daily precipitation	54.0 mm (2.1 in)	55 of 100 (Notable)
Mayaguez City	Puerto Rico [United States]	Record high minimum temperature	23.9 C (75.0 F)	54 of 100 (Notable)
Springfontein (Mun)	South Africa	Record daily precipitation	84.0 mm (3.3 in)	54 of 100 (Notable)
Wolwekraal (Irr)	South Africa	Record daily precipitation	64.0 mm (2.5 in)	54 of 100 (Notable)
Pretoria-New Cemetry	South Africa	Record daily precipitation	67.5 mm (2.7 in)	54 of 100 (Notable)
Boqueirao	Brazil	Record daily precipitation	113.2 mm (4.5 in)	53 of 100 (Notable)
Salida	United States	Record daily precipitation	25.9 mm (1.0 in)	53 of 100 (Notable)
Los Gatos	United States	Record daily precipitation	48.5 mm (1.9 in)	51 of 100 (Notable)
Deland 1 SSE	United States	Record daily precipitation	69.9 mm (2.8 in)	49 of 100 (Notable)
Haswell	United States	Record daily snowfall	15.2 cm (6.0 in)	48 of 100 (Notable)
Bronkhorstspruit (Mun)	South Africa	Record daily precipitation	172.0 mm (6.8 in)	47 of 100 (Notable)
Oklee	United States	Record daily precipitation	25.9 mm (1.0 in)	46 of 100 (Notable)
Flora 5 NW	United States	Record daily precipitation	32.3 mm (1.3 in)	45 of 100 (Notable)
De Hoek (Bos)	South Africa	Record daily precipitation	131.7 mm (5.2 in)	44 of 100 (Notable)
San Rafael-Civic Ctr	United States	Record low maximum temperature	11.1 C (52.0 F)	43 of 100 (Notable)
So Entrance Yosemite Np	United States	Record daily snowfall	73.7 cm (29.0 in)	43 of 100 (Notable)
Sierra Blanca 2 E	United States	Record low maximum temperature	12.8 C (55.0 F)	43 of 100 (Notable)
Andarai	Brazil	Record daily precipitation	96.5 mm (3.8 in)	42 of 100 (Notable)
Abbeville	United States	Record daily precipitation	35.6 mm (1.4 in)	42 of 100 (Notable)
Baisun	Uzbekistan	Record daily precipitation	29.7 mm (1.2 in)	42 of 100 (Notable)
Jamestown	South Africa	Record daily precipitation	32.0 mm (1.3 in)	41 of 100 (Notable)
Tygerfontein	South Africa	Record daily precipitation	72.6 mm (2.9 in)	41 of 100 (Notable)
Carlinville	United States	Record daily precipitation	32.0 mm (1.3 in)	41 of 100 (Notable)
Kremsmuenster	Austria	Record high maximum temperature	17.8 C (64.0 F)	40 of 100 (Notable)
Jagersfontein	South Africa	Record daily precipitation	46.0 mm (1.8 in)	40 of 100 (Notable)
Sonoma	United States	Record low maximum temperature	12.2 C (54.0 F)	40 of 100 (Notable)
Mt Pulaski	United States	Record daily precipitation	27.9 mm (1.1 in)	39 of 100 (Notable)
Miltonvale	United States	Record daily precipitation	36.3 mm (1.4 in)	39 of 100 (Notable)
Lillydale	South Africa	Record daily precipitation	57.0 mm (2.2 in)	38 of 100 (Notable)
Grafton	United States	Record daily precipitation	29.2 mm (1.1 in)	38 of 100 (Notable)
Olney 2S	United States	Record daily precipitation	29.0 mm (1.1 in)	38 of 100 (Notable)
Oberlin	United States	Record daily snowfall	12.7 cm (5.0 in)	38 of 100 (Notable)
Tribune 1W	United States	Record daily snowfall	15.2 cm (6.0 in)	38 of 100 (Notable)
Great Falls AP	United States	Record daily snowfall	25.1 cm (9.9 in)	38 of 100 (Notable)
Porto	Brazil	Record daily precipitation	83.0 mm (3.3 in)	37 of 100 (Notable)
Eureka	South Africa	Record daily precipitation	56.6 mm (2.2 in)	37 of 100 (Notable)
Vaalpan	South Africa	Record daily precipitation	60.1 mm (2.4 in)	37 of 100 (Notable)
Mt Hamilton	United States	Record daily snowfall	15.2 cm (6.0 in)	37 of 100 (Notable)
1 ENE Fairfield	United States	Record daily precipitation	36.6 mm (1.4 in)	37 of 100 (Notable)
Blanding	United States	Record high minimum temperature	6.7 C (44.1 F)	37 of 100 (Notable)
Kroonplaats	South Africa	Record daily precipitation	43.0 mm (1.7 in)	36 of 100 (Notable)
Kirklington	South Africa	Record daily precipitation	46.3 mm (1.8 in)	36 of 100 (Notable)
Randfontein (Gm)	South Africa	Record daily precipitation	53.0 mm (2.1 in)	36 of 100 (Notable)
Germiston-Fj Payne Park	South Africa	Record daily precipitation	85.2 mm (3.4 in)	36 of 100 (Notable)
Avon Park 2 W	United States	Record low maximum temperature	17.2 C (63.0 F)	36 of 100 (Notable)
Jhb-Joubert Park	South Africa	Record daily precipitation	25.8 mm (1.0 in)	35 of 100 (Notable)
Santa Barbara	United States	Record daily precipitation	44.5 mm (1.8 in)	35 of 100 (Notable)
Wray	United States	Record daily snowfall	10.2 cm (4.0 in)	35 of 100 (Notable)
Santa Maria Public AP	United States	Record daily precipitation	40.6 mm (1.6 in)	35 of 100 (Notable)
Huajintlan	Mexico	Record high maximum temperature	46.7 C (116.1 F)	34 of 100 (Routine)
Alpine	United States	Record low minimum temperature	-18.9 C (-2.0 F)	34 of 100 (Routine)
Gem Lake	United States	Record daily precipitation	29.5 mm (1.2 in)	34 of 100 (Routine)
Haigler	United States	Record daily snowfall	10.2 cm (4.0 in)	34 of 100 (Routine)
Amealco	Mexico	Record high maximum temperature	35.0 C (95.0 F)	33 of 100 (Routine)
Slangfontein	South Africa	Record daily precipitation	81.5 mm (3.2 in)	33 of 100 (Routine)
Kriel (Pol)	South Africa	Record daily precipitation	44.0 mm (1.7 in)	33 of 100 (Routine)

Counts by Type and Timescale

756 records

Records set or tied on 17 March 1991 by type: Highest daily maximum 149, Lowest daily maximum 68, Highest daily minimum 111, Lowest daily minimum 67, Heaviest daily rainfall 312, Heaviest daily snowfall 35, Deepest snow cover 14.

Records on 17 March 1991 by type
Record type	Records
Highest daily maximum	149
Lowest daily maximum	68
Highest daily minimum	111
Lowest daily minimum	67
Heaviest daily rainfall	312
Heaviest daily snowfall	35
Deepest snow cover	14

Records on 17 March 1991 by timescale: all-time 4, monthly 35, daily 717.

How Much Records Were Beaten By

606 broken records

Margins by which the 606 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 356.0. Ties are not counted.

Top 20 by Significance

17 March 1991

Top 20 records on 17 March 1991 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
17 March 1991	Delmas (Pol), ZA	daily rain	83.0 mm (3.3 in)	65.2 mm (2.6 in)	80 years	72 of 100 (Major)
17 March 1991	Warsaw, US	daily rain	27.2 mm (1.1 in)	19.3 mm (0.8 in)	93 years	62 of 100 (Major)
17 March 1991	Premier Mine-Cullinan, ZA	daily rain	89.0 mm (3.5 in)	65.9 mm (2.6 in)	33 years	58 of 100 (Notable)
17 March 1991	Shurchi, UZ	daily rain	30.0 mm (1.2 in)	27.5 mm (1.1 in)	42 years	57 of 100 (Notable)
17 March 1991	Edenburg (Pol), ZA	daily rain	54.0 mm (2.1 in)	28.1 mm (1.1 in)	72 years	55 of 100 (Notable)
17 March 1991	Mayaguez City, PR	daily high min	23.9 C (75.0 F)	3.3 C (5.9 F)	89 years	54 of 100 (Notable)
17 March 1991	Springfontein (Mun), ZA	daily rain	84.0 mm (3.3 in)	71.4 mm (2.8 in)	28 years	54 of 100 (Notable)
17 March 1991	Wolwekraal (Irr), ZA	daily rain	64.0 mm (2.5 in)	44.9 mm (1.8 in)	60 years	54 of 100 (Notable)
17 March 1991	Pretoria-New Cemetry, ZA	daily rain	67.5 mm (2.7 in)	42.1 mm (1.7 in)	50 years	54 of 100 (Notable)
17 March 1991	Boqueirao, BR	daily rain	113.2 mm (4.5 in)	74.8 mm (2.9 in)	28 years	53 of 100 (Notable)
17 March 1991	Salida, US	daily rain	25.9 mm (1.0 in)	10.7 mm (0.4 in)	84 years	53 of 100 (Notable)
17 March 1991	Los Gatos, US	daily rain	48.5 mm (1.9 in)	25.4 mm (1.0 in)	86 years	51 of 100 (Notable)
17 March 1991	Deland 1 SSE, US	daily rain	69.9 mm (2.8 in)	28.8 mm (1.1 in)	62 years	49 of 100 (Notable)
17 March 1991	Haswell, US	daily snowfall	15.2 cm (6.0 in)	10.1 cm (4.0 in)	60 years	48 of 100 (Notable)
17 March 1991	Bronkhorstspruit (Mun), ZA	all-time rain	172.0 mm (6.8 in)	18.0 mm (0.7 in)	21 years	47 of 100 (Notable)
17 March 1991	Oklee, US	daily rain	25.9 mm (1.0 in)	19.3 mm (0.8 in)	13 years	46 of 100 (Notable)
17 March 1991	Flora 5 NW, US	daily rain	32.3 mm (1.3 in)	10.2 mm (0.4 in)	93 years	45 of 100 (Notable)
17 March 1991	De Hoek (Bos), ZA	daily rain	131.7 mm (5.2 in)	70.7 mm (2.8 in)	30 years	44 of 100 (Notable)
17 March 1991	San Rafael-Civic Ctr, US	daily low max	11.1 C (52.0 F)	2.2 C (4.0 F)	96 years	43 of 100 (Notable)
17 March 1991	So Entrance Yosemite Np, US	daily snowfall	73.7 cm (29.0 in)	35.6 cm (14.0 in)	42 years	43 of 100 (Notable)

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

1825 to 1991

Records set or tied on this calendar date in each year from 1825 to 1991. 1991 had 756 records.

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

Records on 03-17 in each year
Year	Records
1825	2
1839	1
1845	1
1850	2
1852	1
1853	1
1856	1
1857	1
1863	1
1866	2
1867	1
1869	1
1870	1
1872	1
1874	3
1876	1
1877	2
1878	3
1879	1
1881	1
1882	4
1883	1
1884	3
1885	3
1886	1
1887	3
1888	2
1889	3
1890	2
1892	1
1895	5
1896	2
1897	9
1898	14
1899	5
1900	5
1901	4
1902	16
1903	10
1904	11
1905	10
1906	15
1907	14
1908	20
1909	20
1910	17
1911	7
1912	7
1913	31
1914	28
1915	22
1916	40
1917	52
1918	26
1919	86
1920	50
1921	96
1922	49
1923	130
1924	78
1925	143
1926	185
1927	369
1928	230
1929	85
1930	306
1931	124
1932	484
1933	198
1934	368
1935	259
1936	601
1937	455
1938	394
1939	583
1940	250
1941	689
1942	783
1943	500
1944	288
1945	1,345
1946	810
1947	332
1948	340
1949	178
1950	1,105
1951	489
1952	527
1953	236
1954	365
1955	385
1956	573
1957	327
1958	535
1959	471
1960	814
1961	679
1962	321
1963	738
1964	241
1965	1,115
1966	970
1967	856
1968	849
1969	651
1970	768
1971	361
1972	1,013
1973	943
1974	837
1975	475
1976	534
1977	479
1978	787
1979	507
1980	658
1981	679
1982	1,315
1983	912
1984	599
1985	662
1986	551
1987	1,362
1988	1,325
1989	1,082
1990	1,916
1991	756
1992	740
1993	1,608
1994	822
1995	989
1996	689
1997	895
1998	972
1999	688
2000	792
2001	1,349
2002	1,210
2003	1,244
2004	1,406
2005	1,475
2006	579
2007	1,470
2008	955
2009	717
2010	584
2011	926
2012	2,715
2013	723
2014	1,039
2015	1,145
2016	545
2017	847
2018	891
2019	738
2020	454
2021	502
2022	452
2023	875
2024	668
2025	722
2026	2,522

Download the Data

Data for records on 1991-03-17: 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 2026-10-16. Last revised 16 October 2026 (2026-10-16).

Margin	Records
0 to 50	586
50 to 100	17
100 to 150	1
150 to 200	1
200 to 250	0
250 to 300	0
300 to 350	0
350 to 400	1