Weather Records on 30 May 2020

920 weather records were set or tied worldwide on 30 May 2020. Highest significance: Mukteshwar Kumaon, IN.

Key Facts for 30 May 2020

On 30 May 2020, 920 weather records were set or tied at long-record stations worldwide.
728 were record highs and 70 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 148 monthly and 771 daily.
Mukteshwar Kumaon set a daily record precipitation of 55.1 mm (2.2 in) on 30 May 2020.
Across 165 earlier years (1818 to 2026) the same calendar date averaged 436 records.

Record Map

920 stations

920 station records on 30 May 2020 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 May 2020: highest significance records shown on the map
Station	Country	Type	Value	Significance
Mukteshwar Kumaon	India	Record daily precipitation	55.1 mm (2.2 in)	67 of 100 (Major)
Roseburg Rgnl AP	United States	Record daily precipitation	30.2 mm (1.2 in)	66 of 100 (Major)
Tampico Tamps	Mexico	Record daily precipitation	87.6 mm (3.4 in)	62 of 100 (Major)
Bolsoj Uluj	Russia	Record daily precipitation	25.9 mm (1.0 in)	60 of 100 (Major)
Bijie	China	Record daily precipitation	79.2 mm (3.1 in)	59 of 100 (Notable)
Manning	United States	Record daily precipitation	133.1 mm (5.2 in)	59 of 100 (Notable)
Sexton Summit	United States	Record daily precipitation	39.1 mm (1.5 in)	58 of 100 (Notable)
Medford Intl AP	United States	Record daily precipitation	37.3 mm (1.5 in)	56 of 100 (Notable)
Ashton 1N	United States	Record high minimum temperature	14.4 C (57.9 F)	51 of 100 (Notable)
Jharsuguda	India	Record daily precipitation	30.0 mm (1.2 in)	50 of 100 (Notable)
Losinoborskoe	Russia	Record daily precipitation	26.9 mm (1.1 in)	49 of 100 (Notable)
Kiev	Ukraine	Record daily precipitation	30.0 mm (1.2 in)	48 of 100 (Notable)
Manti	United States	Record high minimum temperature	17.2 C (63.0 F)	47 of 100 (Notable)
Duolun	China	Record daily precipitation	27.7 mm (1.1 in)	46 of 100 (Notable)
Grants Pass	United States	Record high minimum temperature	18.3 C (64.9 F)	46 of 100 (Notable)
Prineville	United States	Record high minimum temperature	17.2 C (63.0 F)	46 of 100 (Notable)
Winslow AP	United States	Record high minimum temperature	19.4 C (66.9 F)	46 of 100 (Notable)
Shoshone	United States	Record high maximum temperature	31.7 C (89.1 F)	45 of 100 (Notable)
Bluff	United States	Record high minimum temperature	20.6 C (69.1 F)	45 of 100 (Notable)
Manila	United States	Record high minimum temperature	14.4 C (57.9 F)	45 of 100 (Notable)
King Mountain	United States	Record daily precipitation	43.2 mm (1.7 in)	45 of 100 (Notable)
Lake Placid 2 S	United States	Record daily precipitation	26.2 mm (1.0 in)	44 of 100 (Notable)
Wise Rvr 3 WNW	United States	Record high minimum temperature	12.2 C (54.0 F)	43 of 100 (Notable)
University Camp	United States	Record daily precipitation	61.0 mm (2.4 in)	43 of 100 (Notable)
Loa	United States	Record high minimum temperature	12.8 C (55.0 F)	42 of 100 (Notable)
Boise Air Terminal	United States	Record high minimum temperature	20.6 C (69.1 F)	41 of 100 (Notable)
Atyrau	Kazakhstan	Record high minimum temperature	24.6 C (76.3 F)	40 of 100 (Notable)
Utah Lake Lehi	United States	Record high minimum temperature	19.4 C (66.9 F)	40 of 100 (Notable)
Monterey Peninsul AP	United States	Record high minimum temperature	16.7 C (62.1 F)	40 of 100 (Notable)
Progreso	Mexico	Record daily precipitation	58.2 mm (2.3 in)	39 of 100 (Notable)
Gotnja	Russia	Record daily precipitation	34.8 mm (1.4 in)	39 of 100 (Notable)
Sugar City	United States	Record high maximum temperature	30.0 C (86.0 F)	39 of 100 (Notable)
Nashua 2 NNW	United States	Record high minimum temperature	20.0 C (68.0 F)	39 of 100 (Notable)
Aztec Ruins Nm	United States	Record high minimum temperature	14.4 C (57.9 F)	39 of 100 (Notable)
Columbia UNIV of Sc	United States	Record daily precipitation	77.5 mm (3.1 in)	39 of 100 (Notable)
Novy-Port	Russia	Record high minimum temperature	4.2 C (39.6 F)	38 of 100 (Notable)
Mogoca	Russia	Record low maximum temperature	5.5 C (41.9 F)	38 of 100 (Notable)
Tonopah	United States	Record high maximum temperature	33.9 C (93.0 F)	38 of 100 (Notable)
Charleroi Lock 4	United States	Record daily precipitation	35.3 mm (1.4 in)	38 of 100 (Notable)
Weslaco	United States	Record low maximum temperature	26.7 C (80.1 F)	38 of 100 (Notable)
Landsburg	United States	Record daily precipitation	35.1 mm (1.4 in)	38 of 100 (Notable)
Buffalo Bill Dam	United States	Record high maximum temperature	29.4 C (84.9 F)	38 of 100 (Notable)
Delta	United States	Record high minimum temperature	16.7 C (62.1 F)	38 of 100 (Notable)
Jakutsk	Russia	Record low maximum temperature	8.8 C (47.8 F)	37 of 100 (Notable)
Mesa Verde Np	United States	Record high minimum temperature	16.7 C (62.1 F)	37 of 100 (Notable)
Pilot Rock 1 SE	United States	Record high minimum temperature	17.2 C (63.0 F)	37 of 100 (Notable)
Hanna	United States	Record high minimum temperature	10.0 C (50.0 F)	37 of 100 (Notable)
Scofield Dam	United States	Record high maximum temperature	26.1 C (79.0 F)	37 of 100 (Notable)
Ndjamena	Chad	Record high minimum temperature	30.0 C (86.0 F)	36 of 100 (Notable)
Petrified Forest Np	United States	Record high minimum temperature	17.8 C (64.0 F)	36 of 100 (Notable)
Birch Hill Dam	United States	Record high minimum temperature	18.9 C (66.0 F)	36 of 100 (Notable)
Virginia City	United States	Record high maximum temperature	30.6 C (87.1 F)	36 of 100 (Notable)
Elizabethtown	United States	Record daily precipitation	34.0 mm (1.3 in)	36 of 100 (Notable)
Kemmerer 2N	United States	Record high maximum temperature	30.0 C (86.0 F)	36 of 100 (Notable)
Huailai	China	Record daily precipitation	28.4 mm (1.1 in)	35 of 100 (Notable)
Bakko I Hol	Norway	Record snow depth	79.0 cm (31.1 in)	35 of 100 (Notable)
Tonopah	United States	Record high minimum temperature	17.2 C (63.0 F)	35 of 100 (Notable)
Santiam Junction	United States	Record high minimum temperature	12.8 C (55.0 F)	35 of 100 (Notable)
Alta 1 NNW	United States	Record high maximum temperature	29.4 C (84.9 F)	35 of 100 (Notable)
Kharkiv	Ukraine	Record daily precipitation	27.9 mm (1.1 in)	34 of 100 (Routine)

Counts by Type and Timescale

920 records

Records set or tied on 30 May 2020 by type: Highest daily maximum 286, Lowest daily maximum 36, Highest daily minimum 442, Lowest daily minimum 34, Heaviest daily rainfall 120, Deepest snow cover 2.

Records on 30 May 2020 by type
Record type	Records
Highest daily maximum	286
Lowest daily maximum	36
Highest daily minimum	442
Lowest daily minimum	34
Heaviest daily rainfall	120
Heaviest daily snowfall	0
Deepest snow cover	2

Records on 30 May 2020 by timescale: all-time 1, monthly 148, daily 771.

How Much Records Were Beaten By

721 broken records

Margins by which the 721 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 440.0. Ties are not counted.

Top 20 by Significance

30 May 2020

Top 20 records on 30 May 2020 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 May 2020	Mukteshwar Kumaon, IN	daily rain	55.1 mm (2.2 in)	34.8 mm (1.4 in)	70 years	67 of 100 (Major)
30 May 2020	Roseburg Rgnl AP, US	daily rain	30.2 mm (1.2 in)	18.5 mm (0.7 in)	77 years	66 of 100 (Major)
30 May 2020	Tampico Tamps, MX	monthly rain	87.6 mm (3.4 in)	33.5 mm (1.3 in)	28 years	62 of 100 (Major)
30 May 2020	Bolsoj Uluj, RU	daily rain	25.9 mm (1.0 in)	12.9 mm (0.5 in)	64 years	60 of 100 (Major)
30 May 2020	Bijie, CN	daily rain	79.2 mm (3.1 in)	52.0 mm (2.0 in)	43 years	59 of 100 (Notable)
30 May 2020	Manning, US	monthly rain	133.1 mm (5.2 in)	53.1 mm (2.1 in)	7 years	59 of 100 (Notable)
30 May 2020	Sexton Summit, US	daily rain	39.1 mm (1.5 in)	34.5 mm (1.4 in)	37 years	58 of 100 (Notable)
30 May 2020	Medford Intl AP, US	daily rain	37.3 mm (1.5 in)	18.5 mm (0.7 in)	27 years	56 of 100 (Notable)
30 May 2020	Ashton 1N, US	monthly high min	14.4 C (57.9 F)	1.1 C (2.0 F)	95 years	51 of 100 (Notable)
30 May 2020	Jharsuguda, IN	daily rain	30.0 mm (1.2 in)	21.9 mm (0.9 in)	64 years	50 of 100 (Notable)
30 May 2020	Losinoborskoe, RU	daily rain	26.9 mm (1.1 in)	8.1 mm (0.32 in)	74 years	49 of 100 (Notable)
30 May 2020	Kiev, UA	daily rain	30.0 mm (1.2 in)	10.7 mm (0.4 in)	79 years	48 of 100 (Notable)
30 May 2020	Manti, US	daily high min	17.2 C (63.0 F)	3.9 C (7.0 F)	92 years	47 of 100 (Notable)
30 May 2020	Duolun, CN	daily rain	27.7 mm (1.1 in)	13.8 mm (0.5 in)	38 years	46 of 100 (Notable)
30 May 2020	Grants Pass, US	daily high min	18.3 C (64.9 F)	2.2 C (4.0 F)	122 years	46 of 100 (Notable)
30 May 2020	Prineville, US	monthly high min	17.2 C (63.0 F)	1.6 C (2.9 F)	79 years	46 of 100 (Notable)
30 May 2020	Winslow AP, US	monthly high min	19.4 C (66.9 F)	0.5 C (0.9 F)	86 years	46 of 100 (Notable)
30 May 2020	Shoshone, US	daily high max	31.7 C (89.1 F)	2.8 C (5.0 F)	107 years	45 of 100 (Notable)
30 May 2020	Bluff, US	daily high min	20.6 C (69.1 F)	2.3 C (4.1 F)	108 years	45 of 100 (Notable)
30 May 2020	Manila, US	monthly high min	14.4 C (57.9 F)	1.1 C (2.0 F)	77 years	45 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

1818 to 2020

Records set or tied on this calendar date in each year from 1818 to 2020. 2020 had 920 records.

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

Records on 05-30 in each year
Year	Records
1818	3
1844	1
1847	1
1848	1
1852	1
1853	1
1855	1
1856	1
1858	1
1860	2
1863	1
1864	1
1865	4
1867	1
1868	4
1870	1
1871	2
1873	4
1878	1
1879	1
1880	2
1881	1
1882	2
1883	1
1884	2
1885	1
1886	1
1887	1
1889	3
1890	1
1891	1
1892	2
1893	7
1894	2
1895	5
1896	1
1897	1
1898	2
1899	4
1900	1
1901	4
1902	9
1903	12
1904	7
1905	20
1906	8
1907	20
1908	32
1909	6
1910	22
1911	22
1912	26
1913	89
1914	25
1915	32
1916	41
1917	42
1918	31
1919	90
1920	28
1921	392
1922	72
1923	121
1924	187
1925	190
1926	201
1927	177
1928	86
1929	368
1930	530
1931	316
1932	256
1933	250
1934	731
1935	88
1936	579
1937	440
1938	309
1939	336
1940	289
1941	518
1942	500
1943	444
1944	325
1945	383
1946	310
1947	880
1948	386
1949	318
1950	376
1951	448
1952	295
1953	622
1954	271
1955	377
1956	466
1957	267
1958	480
1959	419
1960	274
1961	657
1962	454
1963	245
1964	709
1965	454
1966	326
1967	859
1968	357
1969	1,092
1970	483
1971	1,044
1972	721
1973	391
1974	631
1975	776
1976	499
1977	444
1978	888
1979	1,185
1980	650
1981	1,001
1982	981
1983	1,310
1984	2,543
1985	772
1986	1,264
1987	1,021
1988	1,371
1989	1,021
1990	983
1991	1,264
1992	1,413
1993	690
1994	834
1995	777
1996	893
1997	936
1998	1,190
1999	1,113
2000	1,391
2001	854
2002	940
2003	1,110
2004	1,219
2005	737
2006	1,179
2007	1,128
2008	829
2009	480
2010	771
2011	1,914
2012	720
2013	821
2014	551
2015	699
2016	540
2017	657
2018	1,319
2019	706
2020	920
2021	841
2022	1,034
2023	344
2024	600
2025	828
2026	525

Download the Data

Data for records on 2020-05-30: 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).

Histogram of margins by which records were beaten on 30 May 2020
Margin	Records
0 to 100	720
100 to 200	0
200 to 300	0
300 to 400	0
400 to 500	1