Weather Records on 13 May 1991

1,046 weather records were set or tied worldwide on 13 May 1991. Highest significance: Max, US.

Key Facts for 13 May 1991

On 13 May 1991, 1,046 weather records were set or tied at long-record stations worldwide.
734 were record highs and 118 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 13 monthly and 1,031 daily.
Max set a daily record precipitation of 53.3 mm (2.1 in) on 13 May 1991.
Across 164 earlier years (1794 to 2026) the same calendar date averaged 444 records.

Record Map

1,046 stations

1,046 station records on 13 May 1991 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 13 May 1991: highest significance records shown on the map
Station	Country	Type	Value	Significance
Max	United States	Record daily precipitation	53.3 mm (2.1 in)	64 of 100 (Major)
Ndumu	South Africa	Record daily precipitation	78.0 mm (3.1 in)	63 of 100 (Major)
Sedalia Wtp	United States	Record daily precipitation	58.9 mm (2.3 in)	60 of 100 (Major)
Big Bend(Wissel Rode)	Swaziland	Record daily precipitation	122.5 mm (4.8 in)	60 of 100 (Major)
Mbabane	Swaziland	Record daily precipitation	56.0 mm (2.2 in)	55 of 100 (Notable)
Manzini/Matsapa Air	Swaziland	Record daily precipitation	44.2 mm (1.7 in)	53 of 100 (Notable)
Hluhluwe Game Reserve	South Africa	Record daily precipitation	70.5 mm (2.8 in)	51 of 100 (Notable)
Ingwavuma (Tnk)	South Africa	Record daily precipitation	55.0 mm (2.2 in)	49 of 100 (Notable)
Amsterdam (Pol)	South Africa	Record daily precipitation	34.0 mm (1.3 in)	48 of 100 (Notable)
Barnard	United States	Record daily precipitation	69.9 mm (2.8 in)	47 of 100 (Notable)
Gran Canal KM. 06+250	Mexico	Record daily precipitation	45.0 mm (1.8 in)	45 of 100 (Notable)
Pontotoc	United States	Record daily precipitation	112.5 mm (4.4 in)	45 of 100 (Notable)
Saltville 1N	United States	Record daily precipitation	35.6 mm (1.4 in)	45 of 100 (Notable)
Cape May 2 NW	United States	Record high minimum temperature	18.3 C (64.9 F)	43 of 100 (Notable)
Poona	India	Record daily precipitation	33.0 mm (1.3 in)	42 of 100 (Notable)
Lincoln 1 SE	United States	Record daily precipitation	50.8 mm (2.0 in)	42 of 100 (Notable)
Gardiner	United States	Record high maximum temperature	29.4 C (84.9 F)	42 of 100 (Notable)
Hickory Flat	United States	Record daily precipitation	104.1 mm (4.1 in)	42 of 100 (Notable)
Daytona Beach Intl AP	United States	Record daily precipitation	49.0 mm (1.9 in)	42 of 100 (Notable)
Achinsk	Russia	Record high maximum temperature	29.4 C (84.9 F)	41 of 100 (Notable)
Cambridge	United States	Record high minimum temperature	15.6 C (60.1 F)	41 of 100 (Notable)
Licking 4N	United States	Record daily precipitation	47.5 mm (1.9 in)	41 of 100 (Notable)
Greeneville Exp STN	United States	Record daily precipitation	33.3 mm (1.3 in)	41 of 100 (Notable)
Cordova 2 ENE	United States	Record daily precipitation	79.5 mm (3.1 in)	40 of 100 (Notable)
W Branch 3SE	United States	Record high maximum temperature	32.2 C (90.0 F)	40 of 100 (Notable)
Waupaca	United States	Record high minimum temperature	17.2 C (63.0 F)	40 of 100 (Notable)
San Antonio Las Alazanas (Dge	Mexico	Record daily precipitation	39.9 mm (1.6 in)	39 of 100 (Notable)
Elgin Water	United States	Record high minimum temperature	16.7 C (62.1 F)	39 of 100 (Notable)
Bunker 4N	United States	Record daily precipitation	77.0 mm (3.0 in)	39 of 100 (Notable)
Moorestown 4 E	United States	Record high maximum temperature	32.2 C (90.0 F)	39 of 100 (Notable)
Hancock Exp Farm	United States	Record high minimum temperature	17.8 C (64.0 F)	39 of 100 (Notable)
Oshkosh	United States	Record high minimum temperature	18.3 C (64.9 F)	39 of 100 (Notable)
Shawano 2SSW	United States	Record high minimum temperature	15.6 C (60.1 F)	39 of 100 (Notable)
Central Michigan UNIV	United States	Record high minimum temperature	16.7 C (62.1 F)	38 of 100 (Notable)
S Haven	United States	Record high minimum temperature	16.7 C (62.1 F)	38 of 100 (Notable)
Superior	United States	Record high minimum temperature	20.0 C (68.0 F)	38 of 100 (Notable)
Wooster Exp STN	United States	Record high maximum temperature	30.6 C (87.1 F)	38 of 100 (Notable)
Beloit	United States	Record high minimum temperature	17.8 C (64.0 F)	38 of 100 (Notable)
Uil	Kazakhstan	Record low maximum temperature	10.0 C (50.0 F)	37 of 100 (Notable)
Marengo	United States	Record high minimum temperature	17.2 C (63.0 F)	37 of 100 (Notable)
Farmland 5 NNW	United States	Record high maximum temperature	29.4 C (84.9 F)	37 of 100 (Notable)
Morris W Cntrl Rsch & Outreach	United States	Record high maximum temperature	32.8 C (91.0 F)	37 of 100 (Notable)
Westfield 2 SSE	United States	Record high minimum temperature	17.8 C (64.0 F)	37 of 100 (Notable)
W Pt	United States	Record high maximum temperature	32.2 C (90.0 F)	37 of 100 (Notable)
Norwalk Wwtp	United States	Record high maximum temperature	31.1 C (88.0 F)	37 of 100 (Notable)
York 3 SSW Pump STN	United States	Record high maximum temperature	32.8 C (91.0 F)	37 of 100 (Notable)
Fond du Lac Wwtp	United States	Record high minimum temperature	19.4 C (66.9 F)	37 of 100 (Notable)
Santa Maria Yucuhiti (Cfe)	Mexico	Record daily precipitation	79.8 mm (3.1 in)	35 of 100 (Notable)
Makakatana	South Africa	Record daily precipitation	57.0 mm (2.2 in)	35 of 100 (Notable)
Broadholm	South Africa	Record daily precipitation	25.0 mm (1.0 in)	35 of 100 (Notable)
Taunton	United States	Record high maximum temperature	30.0 C (86.0 F)	35 of 100 (Notable)
Cape May 2 NW	United States	Record high maximum temperature	29.4 C (84.9 F)	35 of 100 (Notable)
Montpelier	United States	Record high maximum temperature	31.7 C (89.1 F)	35 of 100 (Notable)
Bayard	United States	Record high maximum temperature	28.3 C (82.9 F)	35 of 100 (Notable)
Alpena Wwtp	United States	Record daily precipitation	31.2 mm (1.2 in)	35 of 100 (Notable)
Fulton 3 W	United States	Record daily precipitation	81.3 mm (3.2 in)	34 of 100 (Routine)
Frederick Police Brks	United States	Record high minimum temperature	21.7 C (71.1 F)	33 of 100 (Routine)
San Antonio Las Alazanas (Smn	Mexico	Record daily precipitation	39.9 mm (1.6 in)	32 of 100 (Routine)
Presa Centenario	Mexico	Record high minimum temperature	20.0 C (68.0 F)	32 of 100 (Routine)
Dzilam de Bravo	Mexico	Record low minimum temperature	13.3 C (55.9 F)	32 of 100 (Routine)

Counts by Type and Timescale

1,046 records

Records set or tied on 13 May 1991 by type: Highest daily maximum 384, Lowest daily maximum 50, Highest daily minimum 350, Lowest daily minimum 68, Heaviest daily rainfall 192, Heaviest daily snowfall 2.

Records on 13 May 1991 by type
Record type	Records
Highest daily maximum	384
Lowest daily maximum	50
Highest daily minimum	350
Lowest daily minimum	68
Heaviest daily rainfall	192
Heaviest daily snowfall	2
Deepest snow cover	0

Records on 13 May 1991 by timescale: all-time 2, monthly 13, daily 1,031.

How Much Records Were Beaten By

732 broken records

Margins by which the 732 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 101.0. Ties are not counted.

Top 20 by Significance

13 May 1991

Top 20 records on 13 May 1991 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
13 May 1991	Max, US	daily rain	53.3 mm (2.1 in)	36.8 mm (1.4 in)	60 years	64 of 100 (Major)
13 May 1991	Ndumu, ZA	daily rain	78.0 mm (3.1 in)	58.9 mm (2.3 in)	53 years	63 of 100 (Major)
13 May 1991	Sedalia Wtp, US	daily rain	58.9 mm (2.3 in)	34.8 mm (1.4 in)	85 years	60 of 100 (Major)
13 May 1991	Big Bend(Wissel Rode), SZ	monthly rain	122.5 mm (4.8 in)	37.0 mm (1.5 in)	36 years	60 of 100 (Major)
13 May 1991	Mbabane, SZ	daily rain	56.0 mm (2.2 in)	39.0 mm (1.5 in)	24 years	55 of 100 (Notable)
13 May 1991	Manzini/Matsapa Air, SZ	daily rain	44.2 mm (1.7 in)	36.2 mm (1.4 in)	18 years	53 of 100 (Notable)
13 May 1991	Hluhluwe Game Reserve, ZA	daily rain	70.5 mm (2.8 in)	42.8 mm (1.7 in)	58 years	51 of 100 (Notable)
13 May 1991	Ingwavuma (Tnk), ZA	daily rain	55.0 mm (2.2 in)	45.1 mm (1.8 in)	53 years	49 of 100 (Notable)
13 May 1991	Amsterdam (Pol), ZA	daily rain	34.0 mm (1.3 in)	23.3 mm (0.9 in)	54 years	48 of 100 (Notable)
13 May 1991	Barnard, US	daily rain	69.9 mm (2.8 in)	51.1 mm (2.0 in)	21 years	47 of 100 (Notable)
13 May 1991	Gran Canal KM. 06+250, MX	monthly rain	45.0 mm (1.8 in)	12.2 mm (0.5 in)	34 years	45 of 100 (Notable)
13 May 1991	Pontotoc, US	daily rain	112.5 mm (4.4 in)	45.7 mm (1.8 in)	24 years	45 of 100 (Notable)
13 May 1991	Saltville 1N, US	daily rain	35.6 mm (1.4 in)	7.4 mm (0.29 in)	93 years	45 of 100 (Notable)
13 May 1991	Cape May 2 NW, US	daily high min	18.3 C (64.9 F)	1.1 C (2.0 F)	109 years	43 of 100 (Notable)
13 May 1991	Poona, IN	daily rain	33.0 mm (1.3 in)	19.3 mm (0.8 in)	57 years	42 of 100 (Notable)
13 May 1991	Lincoln 1 SE, US	daily rain	50.8 mm (2.0 in)	24.1 mm (0.9 in)	56 years	42 of 100 (Notable)
13 May 1991	Gardiner, US	daily high max	29.4 C (84.9 F)	2.7 C (4.9 F)	90 years	42 of 100 (Notable)
13 May 1991	Hickory Flat, US	daily rain	104.1 mm (4.1 in)	38.1 mm (1.5 in)	36 years	42 of 100 (Notable)
13 May 1991	Daytona Beach Intl AP, US	daily rain	49.0 mm (1.9 in)	27.7 mm (1.1 in)	53 years	42 of 100 (Notable)
13 May 1991	Achinsk, RU	daily high max	29.4 C (84.9 F)	3.8 C (6.8 F)	90 years	41 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

1794 to 1991

Records set or tied on this calendar date in each year from 1794 to 1991. 1991 had 1,046 records.

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

Records on 05-13 in each year
Year	Records
1794	1
1799	1
1806	1
1811	1
1814	1
1816	1
1820	1
1833	1
1834	1
1842	1
1848	2
1851	1
1859	1
1860	2
1866	1
1867	1
1868	1
1876	1
1877	1
1878	1
1879	3
1881	4
1882	2
1883	2
1884	1
1885	3
1886	4
1887	1
1889	1
1890	2
1891	2
1893	1
1894	3
1895	5
1896	7
1897	6
1898	2
1899	2
1900	6
1901	5
1902	6
1903	4
1904	14
1905	16
1906	31
1907	25
1908	26
1909	10
1910	24
1911	22
1912	51
1913	50
1914	118
1915	133
1916	39
1917	91
1918	208
1919	37
1920	34
1921	62
1922	45
1923	140
1924	97
1925	130
1926	101
1927	165
1928	227
1929	145
1930	197
1931	386
1932	268
1933	709
1934	263
1935	319
1936	319
1937	186
1938	443
1939	309
1940	495
1941	662
1942	650
1943	605
1944	369
1945	507
1946	349
1947	299
1948	382
1949	462
1950	331
1951	538
1952	412
1953	1,053
1954	311
1955	502
1956	1,420
1957	481
1958	632
1959	592
1960	1,466
1961	556
1962	978
1963	451
1964	469
1965	266
1966	683
1967	609
1968	975
1969	663
1970	723
1971	843
1972	444
1973	546
1974	1,122
1975	381
1976	549
1977	834
1978	932
1979	633
1980	563
1981	469
1982	953
1983	1,041
1984	1,005
1985	939
1986	776
1987	1,101
1988	876
1989	669
1990	719
1991	1,046
1992	962
1993	950
1994	620
1995	1,883
1996	1,980
1997	1,113
1998	1,402
1999	727
2000	1,197
2001	1,142
2002	1,225
2003	695
2004	1,328
2005	889
2006	777
2007	655
2008	663
2009	690
2010	1,362
2011	715
2012	732
2013	1,051
2014	979
2015	632
2016	385
2017	572
2018	949
2019	524
2020	894
2021	656
2022	1,727
2023	550
2024	488
2025	887
2026	1,027

Download the Data

Data for records on 1991-05-13: 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 20	697
20 to 40	26
40 to 60	8
60 to 80	0
80 to 100	0
100 to 120	1