Weather Records on 30 May 2002

940 weather records were set or tied worldwide on 30 May 2002. Highest significance: Mt Morris 2W, US.

Key Facts for 30 May 2002

On 30 May 2002, 940 weather records were set or tied at long-record stations worldwide.
657 were record highs and 137 were record lows, counting maximum and minimum temperature.
By timescale, 3 were all-time records, 137 monthly and 800 daily.
Mt Morris 2W set a daily record precipitation of 38.9 mm (1.5 in) on 30 May 2002.
Across 165 earlier years (1818 to 2026) the same calendar date averaged 436 records.

Record Map

940 stations

940 station records on 30 May 2002 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 May 2002: highest significance records shown on the map
Station	Country	Type	Value	Significance
Mt Morris 2W	United States	Record daily precipitation	38.9 mm (1.5 in)	64 of 100 (Major)
Newark	United States	Record daily precipitation	112.0 mm (4.4 in)	64 of 100 (Major)
Guayama 1SW	Puerto Rico [United States]	Record daily precipitation	122.4 mm (4.8 in)	62 of 100 (Major)
Macedon Lock E30	United States	Record daily precipitation	40.4 mm (1.6 in)	61 of 100 (Major)
Chazy	United States	Record daily precipitation	39.4 mm (1.6 in)	59 of 100 (Notable)
Amite	United States	Record daily precipitation	85.1 mm (3.4 in)	58 of 100 (Notable)
Oswego	United States	Record daily precipitation	50.3 mm (2.0 in)	55 of 100 (Notable)
Canandaigua 3 S	United States	Record daily precipitation	30.0 mm (1.2 in)	51 of 100 (Notable)
Magdalena	Mexico	Record low maximum temperature	20.6 C (69.1 F)	50 of 100 (Notable)
Selma	United States	Record daily precipitation	74.9 mm (2.9 in)	50 of 100 (Notable)
Warsaw 6 SW	United States	Record daily precipitation	66.0 mm (2.6 in)	50 of 100 (Notable)
Castle Dale	United States	Record high maximum temperature	35.6 C (96.1 F)	49 of 100 (Notable)
Mancos 1SW	United States	Record high maximum temperature	31.7 C (89.1 F)	48 of 100 (Notable)
Oster	Ukraine	Record daily precipitation	51.0 mm (2.0 in)	47 of 100 (Notable)
Dolina	Ukraine	Record daily precipitation	47.0 mm (1.9 in)	47 of 100 (Notable)
Columbia	United States	Record daily precipitation	76.2 mm (3.0 in)	46 of 100 (Notable)
Rushford	United States	Record daily precipitation	38.6 mm (1.5 in)	46 of 100 (Notable)
Marysvale	United States	Record high maximum temperature	35.6 C (96.1 F)	46 of 100 (Notable)
Angelica	United States	Record daily precipitation	33.3 mm (1.3 in)	44 of 100 (Notable)
Saint Bernard	United States	Record daily precipitation	32.0 mm (1.3 in)	43 of 100 (Notable)
Tooele	United States	Record high maximum temperature	35.0 C (95.0 F)	43 of 100 (Notable)
Hanksville	United States	Record high maximum temperature	40.6 C (105.1 F)	43 of 100 (Notable)
Fordyce	United States	Record daily precipitation	66.3 mm (2.6 in)	42 of 100 (Notable)
Paradise Valley 1 NW	United States	Record high maximum temperature	34.4 C (93.9 F)	42 of 100 (Notable)
Wheatland 4N	United States	Record high minimum temperature	17.8 C (64.0 F)	42 of 100 (Notable)
Gyshgy	Turkmenistan	Record high maximum temperature	41.5 C (106.7 F)	41 of 100 (Notable)
Ekaterinburg	Russia	Record low maximum temperature	4.0 C (39.2 F)	40 of 100 (Notable)
Keams Canyon	United States	Record high maximum temperature	33.3 C (91.9 F)	40 of 100 (Notable)
Springview 2NW	United States	Record high maximum temperature	32.8 C (91.0 F)	40 of 100 (Notable)
Fond du Lac Wwtp	United States	Record high minimum temperature	21.1 C (70.0 F)	40 of 100 (Notable)
Ely AP	United States	Record high maximum temperature	32.2 C (90.0 F)	40 of 100 (Notable)
Kvikkjokk-Arrenjarka	Sweden	Record high maximum temperature	24.8 C (76.6 F)	39 of 100 (Notable)
Slavsko	Ukraine	Record daily precipitation	36.0 mm (1.4 in)	39 of 100 (Notable)
Tuba City	United States	Record high maximum temperature	37.2 C (99.0 F)	39 of 100 (Notable)
Whiteriver 1 SW	United States	Record high maximum temperature	36.7 C (98.1 F)	39 of 100 (Notable)
Grand Lake 6 SSW	United States	Record high maximum temperature	30.0 C (86.0 F)	39 of 100 (Notable)
Denton	United States	Record high minimum temperature	11.7 C (53.1 F)	39 of 100 (Notable)
Cayuga Lock #1	United States	Record daily precipitation	29.2 mm (1.1 in)	39 of 100 (Notable)
Black Rock	United States	Record high maximum temperature	36.7 C (98.1 F)	39 of 100 (Notable)
Zion Np	United States	Record high maximum temperature	39.4 C (102.9 F)	39 of 100 (Notable)
Buenavista de Cuellar	Mexico	Record high minimum temperature	25.6 C (78.1 F)	38 of 100 (Notable)
Kazan	Russia	Record low minimum temperature	0.6 C (33.1 F)	38 of 100 (Notable)
Snowflake	United States	Record high maximum temperature	36.1 C (97.0 F)	38 of 100 (Notable)
Goldfield	United States	Record high minimum temperature	17.8 C (64.0 F)	38 of 100 (Notable)
Chama	United States	Record high maximum temperature	30.6 C (87.1 F)	38 of 100 (Notable)
Geneva Rsch Farm	United States	Record daily precipitation	31.2 mm (1.2 in)	38 of 100 (Notable)
Blanding	United States	Record high minimum temperature	16.7 C (62.1 F)	38 of 100 (Notable)
Wendover AP AWOS	United States	Record high maximum temperature	35.0 C (95.0 F)	38 of 100 (Notable)
Trincheras	Mexico	Record high maximum temperature	48.9 C (120.0 F)	37 of 100 (Notable)
Hattiesburg 5SW	United States	Record daily precipitation	76.2 mm (3.0 in)	37 of 100 (Notable)
Utah Lake Lehi	United States	Record high maximum temperature	32.8 C (91.0 F)	37 of 100 (Notable)
Carapan	Mexico	Record high maximum temperature	37.8 C (100.0 F)	36 of 100 (Notable)
Bloemfontein Airpor	South Africa	Record daily precipitation	26.7 mm (1.1 in)	36 of 100 (Notable)
Chortkiv	Ukraine	Record daily precipitation	37.0 mm (1.5 in)	36 of 100 (Notable)
Bay Minette	United States	Record daily precipitation	77.7 mm (3.1 in)	36 of 100 (Notable)
Turlock #2	United States	Record high maximum temperature	36.7 C (98.1 F)	36 of 100 (Notable)
Laketown	United States	Record high maximum temperature	28.3 C (82.9 F)	36 of 100 (Notable)
Presa la Patria	Mexico	Record low minimum temperature	11.1 C (52.0 F)	35 of 100 (Notable)
Pine Apple	United States	Record daily precipitation	61.0 mm (2.4 in)	35 of 100 (Notable)
Betatakin	United States	Record high maximum temperature	33.9 C (93.0 F)	35 of 100 (Notable)

Counts by Type and Timescale

940 records

Records set or tied on 30 May 2002 by type: Highest daily maximum 453, Lowest daily maximum 50, Highest daily minimum 204, Lowest daily minimum 87, Heaviest daily rainfall 146.

Records on 30 May 2002 by type
Record type	Records
Highest daily maximum	453
Lowest daily maximum	50
Highest daily minimum	204
Lowest daily minimum	87
Heaviest daily rainfall	146
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 30 May 2002 by timescale: all-time 3, monthly 137, daily 800.

How Much Records Were Beaten By

679 broken records

Margins by which the 679 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 62.5. Ties are not counted.

Top 20 by Significance

30 May 2002

Top 20 records on 30 May 2002 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 May 2002	Mt Morris 2W, US	daily rain	38.9 mm (1.5 in)	27.2 mm (1.1 in)	48 years	64 of 100 (Major)
30 May 2002	Newark, US	all-time rain	112.0 mm (4.4 in)	10.4 mm (0.4 in)	79 years	64 of 100 (Major)
30 May 2002	Guayama 1SW, PR	daily rain	122.4 mm (4.8 in)	50.8 mm (2.0 in)	68 years	62 of 100 (Major)
30 May 2002	Macedon Lock E30, US	daily rain	40.4 mm (1.6 in)	27.7 mm (1.1 in)	55 years	61 of 100 (Major)
30 May 2002	Chazy, US	daily rain	39.4 mm (1.6 in)	28.7 mm (1.1 in)	43 years	59 of 100 (Notable)
30 May 2002	Amite, US	daily rain	85.1 mm (3.4 in)	47.0 mm (1.9 in)	95 years	58 of 100 (Notable)
30 May 2002	Oswego, US	daily rain	50.3 mm (2.0 in)	32.8 mm (1.3 in)	29 years	55 of 100 (Notable)
30 May 2002	Canandaigua 3 S, US	daily rain	30.0 mm (1.2 in)	20.3 mm (0.8 in)	55 years	51 of 100 (Notable)
30 May 2002	Magdalena, MX	daily low max	20.6 C (69.1 F)	9.4 C (16.9 F)	35 years	50 of 100 (Notable)
30 May 2002	Selma, US	daily rain	74.9 mm (2.9 in)	40.4 mm (1.6 in)	43 years	50 of 100 (Notable)
30 May 2002	Warsaw 6 SW, US	daily rain	66.0 mm (2.6 in)	52.3 mm (2.1 in)	19 years	50 of 100 (Notable)
30 May 2002	Castle Dale, US	monthly high max	35.6 C (96.1 F)	1.2 C (2.2 F)	91 years	49 of 100 (Notable)
30 May 2002	Mancos 1SW, US	monthly high max	31.7 C (89.1 F)	0.6 C (1.1 F)	92 years	48 of 100 (Notable)
30 May 2002	Oster, UA	daily rain	51.0 mm (2.0 in)	30.4 mm (1.2 in)	12 years	47 of 100 (Notable)
30 May 2002	Dolina, UA	daily rain	47.0 mm (1.9 in)	31.1 mm (1.2 in)	41 years	47 of 100 (Notable)
30 May 2002	Columbia, US	daily rain	76.2 mm (3.0 in)	17.8 mm (0.7 in)	95 years	46 of 100 (Notable)
30 May 2002	Rushford, US	daily rain	38.6 mm (1.5 in)	27.4 mm (1.1 in)	12 years	46 of 100 (Notable)
30 May 2002	Marysvale, US	monthly high max	35.6 C (96.1 F)	0.6 C (1.1 F)	89 years	46 of 100 (Notable)
30 May 2002	Angelica, US	daily rain	33.3 mm (1.3 in)	15.5 mm (0.6 in)	48 years	44 of 100 (Notable)
30 May 2002	Saint Bernard, US	daily rain	32.0 mm (1.3 in)	14.2 mm (0.6 in)	85 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

1818 to 2002

Records set or tied on this calendar date in each year from 1818 to 2002. 2002 had 940 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	526

Download the Data

Data for records on 2002-05-30: 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 2026-10-14 (14 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Margin	Records
0 to 10	622
10 to 20	31
20 to 30	13
30 to 40	7
40 to 50	3
50 to 60	2
60 to 70	1