Weather Records on 17 May 1972

610 weather records were set or tied worldwide on 17 May 1972. Highest significance: Koebenhavn: Landbohojskolen-1, DK.

Key Facts for 17 May 1972

On 17 May 1972, 610 weather records were set or tied at long-record stations worldwide.
328 were record highs and 107 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 8 monthly and 602 daily.
Koebenhavn: Landbohojskolen-1 set a daily record precipitation of 25.8 mm (1.0 in) on 17 May 1972.
Across 167 earlier years (1802 to 2026) the same calendar date averaged 433 records.

Record Map

610 stations

610 station records on 17 May 1972 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 17 May 1972: highest significance records shown on the map
Station	Country	Type	Value	Significance
Koebenhavn: Landbohojskolen-1	Denmark	Record daily precipitation	25.8 mm (1.0 in)	65 of 100 (Major)
Joao Camara (Baixa Verde)	Brazil	Record daily precipitation	78.9 mm (3.1 in)	56 of 100 (Notable)
Waterloo	United States	Record daily precipitation	40.4 mm (1.6 in)	54 of 100 (Notable)
Ceara-Mirim	Brazil	Record daily precipitation	113.2 mm (4.5 in)	53 of 100 (Notable)
Golden A	Canada	Record daily precipitation	26.9 mm (1.1 in)	53 of 100 (Notable)
Port Aux Basques	Canada	Record daily precipitation	81.3 mm (3.2 in)	52 of 100 (Notable)
Hemlock	United States	Record daily precipitation	48.0 mm (1.9 in)	51 of 100 (Notable)
Corvallis	United States	Record daily precipitation	28.2 mm (1.1 in)	50 of 100 (Notable)
Avenel (Post Office)	Australia	Record daily precipitation	36.1 mm (1.4 in)	49 of 100 (Notable)
Vancouver 4 NNE	United States	Record daily precipitation	25.4 mm (1.0 in)	49 of 100 (Notable)
Cavendish	United States	Record daily precipitation	61.2 mm (2.4 in)	48 of 100 (Notable)
Warfield	Canada	Record daily precipitation	25.4 mm (1.0 in)	47 of 100 (Notable)
Oregon City	United States	Record daily precipitation	31.5 mm (1.2 in)	45 of 100 (Notable)
Garden Valley	United States	Record high minimum temperature	13.9 C (57.0 F)	44 of 100 (Notable)
Sovetskaja Gavan	Russia	Record daily precipitation	79.6 mm (3.1 in)	41 of 100 (Notable)
South Slocan	Canada	Record daily precipitation	25.1 mm (1.0 in)	39 of 100 (Notable)
Spassk Dalniy	Russia	Record daily precipitation	30.1 mm (1.2 in)	39 of 100 (Notable)
Rudnaja Pristan	Russia	Record daily precipitation	41.7 mm (1.6 in)	39 of 100 (Notable)
Kirovskij	Russia	Record daily precipitation	30.6 mm (1.2 in)	38 of 100 (Notable)
Jonkoping	Sweden	Record low minimum temperature	0.0 C (32.0 F)	38 of 100 (Notable)
Cascadia	United States	Record daily precipitation	38.6 mm (1.5 in)	38 of 100 (Notable)
Luiz Correia	Brazil	Record daily precipitation	86.4 mm (3.4 in)	36 of 100 (Notable)
Aachen	Germany	Record low maximum temperature	6.5 C (43.7 F)	35 of 100 (Notable)
Montemorelos	Mexico	Record daily precipitation	65.8 mm (2.6 in)	35 of 100 (Notable)
Acude Tucunduba	Brazil	Record daily precipitation	56.8 mm (2.2 in)	34 of 100 (Routine)
Uccle	Belgium	Record low maximum temperature	7.0 C (44.6 F)	33 of 100 (Routine)
Holley	United States	Record daily precipitation	45.0 mm (1.8 in)	33 of 100 (Routine)
Leaburg 1 SW	United States	Record daily precipitation	35.6 mm (1.4 in)	33 of 100 (Routine)
Ibicua	Brazil	Record daily precipitation	55.6 mm (2.2 in)	32 of 100 (Routine)
Altastenberg	Germany	Record low maximum temperature	2.6 C (36.7 F)	32 of 100 (Routine)
Idaho City	United States	Record high minimum temperature	10.6 C (51.1 F)	32 of 100 (Routine)
Natal	Brazil	Record daily precipitation	154.6 mm (6.1 in)	31 of 100 (Routine)
Ft Lauderdale	United States	Record high maximum temperature	33.9 C (93.0 F)	31 of 100 (Routine)
Limoeiro Do Norte	Brazil	Record daily precipitation	41.0 mm (1.6 in)	30 of 100 (Routine)
Jardim de Angicos	Brazil	Record daily precipitation	40.2 mm (1.6 in)	30 of 100 (Routine)
Westfalia	South Africa	Record daily precipitation	30.0 mm (1.2 in)	30 of 100 (Routine)
Torrevieja	Spain	Record low minimum temperature	9.0 C (48.2 F)	30 of 100 (Routine)
Collegeville St John's	United States	Record high maximum temperature	31.7 C (89.1 F)	30 of 100 (Routine)
Green Bay	United States	Record high maximum temperature	31.1 C (88.0 F)	30 of 100 (Routine)
Alger-Dar El Beida	Algeria	Record daily precipitation	34.9 mm (1.4 in)	29 of 100 (Routine)
Sao Joao Do Jaguaribe	Brazil	Record daily precipitation	33.8 mm (1.3 in)	29 of 100 (Routine)
Touros	Brazil	Record daily precipitation	92.0 mm (3.6 in)	29 of 100 (Routine)
Crookston NW Exp STN	United States	Record high maximum temperature	32.8 C (91.0 F)	29 of 100 (Routine)
Sidney	United States	Record high minimum temperature	15.0 C (59.0 F)	29 of 100 (Routine)
Grand Forks UNIV (NWS)	United States	Record high maximum temperature	32.8 C (91.0 F)	29 of 100 (Routine)
El Cuchillo	Mexico	Record daily precipitation	41.4 mm (1.6 in)	28 of 100 (Routine)
Canon City	United States	Record high minimum temperature	15.0 C (59.0 F)	28 of 100 (Routine)
Malad	United States	Record high minimum temperature	13.9 C (57.0 F)	28 of 100 (Routine)
Silver Creek Falls	United States	Record daily precipitation	45.2 mm (1.8 in)	28 of 100 (Routine)
Purcellville	United States	Record daily precipitation	29.7 mm (1.2 in)	28 of 100 (Routine)
Creightons Creek (Baronga (Cre	Australia	Record daily precipitation	52.1 mm (2.1 in)	27 of 100 (Routine)
Pierson	Canada	Record high minimum temperature	12.8 C (55.0 F)	27 of 100 (Routine)
Ocosingo	Mexico	Record low maximum temperature	25.6 C (78.1 F)	27 of 100 (Routine)
Santa Cruz Juventino Rosas (S	Mexico	Record high minimum temperature	17.8 C (64.0 F)	27 of 100 (Routine)
Anucino	Russia	Record daily precipitation	25.4 mm (1.0 in)	27 of 100 (Routine)
Schelm	South Africa	Record daily precipitation	33.5 mm (1.3 in)	27 of 100 (Routine)
Globe Rs	United States	Record high minimum temperature	20.0 C (68.0 F)	27 of 100 (Routine)
San Carlos	United States	Record high minimum temperature	19.4 C (66.9 F)	27 of 100 (Routine)
Bliss 4 NW	United States	Record high minimum temperature	13.3 C (55.9 F)	27 of 100 (Routine)
Cambridge	United States	Record high maximum temperature	36.7 C (98.1 F)	27 of 100 (Routine)

Counts by Type and Timescale

610 records

Records set or tied on 17 May 1972 by type: Highest daily maximum 179, Lowest daily maximum 65, Highest daily minimum 149, Lowest daily minimum 42, Heaviest daily rainfall 170, Heaviest daily snowfall 3, Deepest snow cover 2.

Records on 17 May 1972 by type
Record type	Records
Highest daily maximum	179
Lowest daily maximum	65
Highest daily minimum	149
Lowest daily minimum	42
Heaviest daily rainfall	170
Heaviest daily snowfall	3
Deepest snow cover	2

Records on 17 May 1972 by timescale: all-time 0, monthly 8, daily 602.

How Much Records Were Beaten By

498 broken records

Margins by which the 498 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 431.0. Ties are not counted.

Top 20 by Significance

17 May 1972

Top 20 records on 17 May 1972 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
17 May 1972	Koebenhavn: Landbohojskolen-1, DK	daily rain	25.8 mm (1.0 in)	16.7 mm (0.7 in)	65 years	65 of 100 (Major)
17 May 1972	Joao Camara (Baixa Verde), BR	daily rain	78.9 mm (3.1 in)	51.7 mm (2.0 in)	40 years	56 of 100 (Notable)
17 May 1972	Waterloo, US	daily rain	40.4 mm (1.6 in)	25.4 mm (1.0 in)	31 years	54 of 100 (Notable)
17 May 1972	Ceara-Mirim, BR	daily rain	113.2 mm (4.5 in)	71.0 mm (2.8 in)	32 years	53 of 100 (Notable)
17 May 1972	Golden A, CA	daily rain	26.9 mm (1.1 in)	16.5 mm (0.6 in)	52 years	53 of 100 (Notable)
17 May 1972	Port Aux Basques, CA	monthly rain	81.3 mm (3.2 in)	19.8 mm (0.8 in)	47 years	52 of 100 (Notable)
17 May 1972	Hemlock, US	daily rain	48.0 mm (1.9 in)	23.6 mm (0.9 in)	66 years	51 of 100 (Notable)
17 May 1972	Corvallis, US	daily rain	28.2 mm (1.1 in)	24.4 mm (1.0 in)	24 years	50 of 100 (Notable)
17 May 1972	Avenel (Post Office), AU	daily rain	36.1 mm (1.4 in)	22.1 mm (0.9 in)	56 years	49 of 100 (Notable)
17 May 1972	Vancouver 4 NNE, US	daily rain	25.4 mm (1.0 in)	9.9 mm (0.39 in)	68 years	49 of 100 (Notable)
17 May 1972	Cavendish, US	daily rain	61.2 mm (2.4 in)	23.1 mm (0.9 in)	53 years	48 of 100 (Notable)
17 May 1972	Warfield, CA	daily rain	25.4 mm (1.0 in)	18.5 mm (0.7 in)	24 years	47 of 100 (Notable)
17 May 1972	Oregon City, US	daily rain	31.5 mm (1.2 in)	13.5 mm (0.5 in)	52 years	45 of 100 (Notable)
17 May 1972	Garden Valley, US	daily high min	13.9 C (57.0 F)	5.0 C (9.0 F)	78 years	44 of 100 (Notable)
17 May 1972	Sovetskaja Gavan, RU	monthly rain	79.6 mm (3.1 in)	18.5 mm (0.7 in)	11 years	41 of 100 (Notable)
17 May 1972	South Slocan, CA	daily rain	25.1 mm (1.0 in)	13.7 mm (0.5 in)	31 years	39 of 100 (Notable)
17 May 1972	Spassk Dalniy, RU	daily rain	30.1 mm (1.2 in)	21.5 mm (0.8 in)	21 years	39 of 100 (Notable)
17 May 1972	Rudnaja Pristan, RU	daily rain	41.7 mm (1.6 in)	28.7 mm (1.1 in)	32 years	39 of 100 (Notable)
17 May 1972	Kirovskij, RU	daily rain	30.6 mm (1.2 in)	19.2 mm (0.8 in)	21 years	38 of 100 (Notable)
17 May 1972	Jonkoping, SE	daily low min	0.0 C (32.0 F)	1.0 C (1.8 F)	89 years	38 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

1802 to 1972

Records set or tied on this calendar date in each year from 1802 to 1972. 1972 had 610 records.

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

Records on 05-17 in each year
Year	Records
1802	2
1803	1
1808	1
1816	1
1834	1
1837	1
1839	1
1847	2
1848	1
1851	1
1853	1
1855	1
1858	1
1859	1
1861	2
1862	2
1863	2
1864	1
1871	2
1872	2
1873	2
1874	4
1877	1
1878	1
1879	2
1880	1
1881	1
1882	2
1883	3
1885	1
1887	1
1888	2
1889	3
1891	8
1892	4
1893	3
1895	8
1896	2
1897	3
1898	6
1899	7
1900	12
1901	2
1902	3
1903	9
1904	12
1905	10
1906	22
1907	10
1908	5
1909	33
1910	16
1911	30
1912	16
1913	24
1914	24
1915	53
1916	49
1917	18
1918	56
1919	35
1920	46
1921	50
1922	30
1923	95
1924	80
1925	326
1926	133
1927	264
1928	127
1929	168
1930	421
1931	201
1932	288
1933	365
1934	373
1935	341
1936	270
1937	183
1938	340
1939	285
1940	338
1941	408
1942	589
1943	855
1944	521
1945	799
1946	586
1947	249
1948	412
1949	544
1950	371
1951	373
1952	777
1953	441
1954	298
1955	570
1956	1,166
1957	469
1958	331
1959	488
1960	402
1961	291
1962	1,325
1963	368
1964	417
1965	462
1966	489
1967	644
1968	564
1969	638
1970	711
1971	723
1972	610
1973	1,016
1974	1,302
1975	365
1976	426
1977	1,078
1978	872
1979	459
1980	768
1981	940
1982	476
1983	1,326
1984	925
1985	561
1986	921
1987	1,054
1988	1,096
1989	1,307
1990	1,135
1991	1,237
1992	1,025
1993	495
1994	858
1995	1,734
1996	1,706
1997	1,619
1998	1,080
1999	795
2000	825
2001	960
2002	964
2003	1,127
2004	769
2005	784
2006	1,522
2007	742
2008	1,309
2009	1,050
2010	880
2011	1,483
2012	711
2013	739
2014	1,062
2015	824
2016	741
2017	1,302
2018	726
2019	686
2020	496
2021	443
2022	479
2023	385
2024	566
2025	928
2026	745

Download the Data

Data for records on 1972-05-17: 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 100	497
100 to 200	0
200 to 300	0
300 to 400	0
400 to 500	1