Weather Records on 17 July 1972

634 weather records were set or tied worldwide on 17 July 1972. Highest significance: Iowa City, US.

Key Facts for 17 July 1972

On 17 July 1972, 634 weather records were set or tied at long-record stations worldwide.
228 were record highs and 225 were record lows, counting maximum and minimum temperature.
By timescale, 4 were all-time records, 12 monthly and 618 daily.
Iowa City set a daily record precipitation of 111.8 mm (4.4 in) on 17 July 1972.
Across 163 earlier years (1793 to 2026) the same calendar date averaged 444 records.

Record Map

634 stations

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

Weather records on 17 July 1972: highest significance records shown on the map
Station	Country	Type	Value	Significance
Iowa City	United States	Record daily precipitation	111.8 mm (4.4 in)	67 of 100 (Major)
Winnebago	United States	Record daily precipitation	114.8 mm (4.5 in)	67 of 100 (Major)
Concordia ASOS	United States	Record daily precipitation	90.7 mm (3.6 in)	64 of 100 (Major)
Walthill 1E	United States	Record daily precipitation	96.5 mm (3.8 in)	58 of 100 (Notable)
Coleman	Canada	Record daily precipitation	27.4 mm (1.1 in)	54 of 100 (Notable)
Sac City	United States	Record daily precipitation	117.6 mm (4.6 in)	51 of 100 (Notable)
Winside	United States	Record daily precipitation	85.6 mm (3.4 in)	51 of 100 (Notable)
Shippensburg	United States	Record daily precipitation	58.4 mm (2.3 in)	50 of 100 (Notable)
Newbern	United States	Record daily precipitation	90.4 mm (3.6 in)	50 of 100 (Notable)
Samary	Russia	Record daily precipitation	47.1 mm (1.9 in)	49 of 100 (Notable)
Wakefield 3NW	United States	Record daily precipitation	121.4 mm (4.8 in)	47 of 100 (Notable)
Oakdale	United States	Record daily precipitation	76.2 mm (3.0 in)	46 of 100 (Notable)
Pekisko	Canada	Record daily precipitation	25.7 mm (1.0 in)	44 of 100 (Notable)
Sabino Canyon	United States	Record daily precipitation	48.8 mm (1.9 in)	44 of 100 (Notable)
Elkton 3 SW	United States	Record high minimum temperature	22.2 C (72.0 F)	43 of 100 (Notable)
Paris 3 ESE	United States	Record daily precipitation	60.2 mm (2.4 in)	43 of 100 (Notable)
Menzelinsk	Russia	Record daily precipitation	64.8 mm (2.6 in)	42 of 100 (Notable)
Lyons	United States	Record daily precipitation	53.3 mm (2.1 in)	41 of 100 (Notable)
Newport	United States	Record high maximum temperature	26.1 C (79.0 F)	41 of 100 (Notable)
Acude Forquilha	Brazil	Record daily precipitation	41.0 mm (1.6 in)	40 of 100 (Notable)
Butte	United States	Record daily precipitation	45.2 mm (1.8 in)	40 of 100 (Notable)
Sioux City AP	United States	Record daily precipitation	139.7 mm (5.5 in)	40 of 100 (Notable)
Ripogenus Dam	United States	Record daily precipitation	41.9 mm (1.6 in)	39 of 100 (Notable)
Woodville 4 ESE	United States	Record daily precipitation	70.1 mm (2.8 in)	39 of 100 (Notable)
Lumber City	United States	Record daily precipitation	82.8 mm (3.3 in)	38 of 100 (Notable)
Ewing	United States	Record daily precipitation	41.4 mm (1.6 in)	38 of 100 (Notable)
Blowing Rock 1NW	United States	Record daily precipitation	63.5 mm (2.5 in)	38 of 100 (Notable)
Seaside	United States	Record high maximum temperature	29.4 C (84.9 F)	38 of 100 (Notable)
Nicosia	Cyprus	Record low maximum temperature	30.5 C (86.9 F)	37 of 100 (Notable)
Berlin-Dahlem	Germany	Record high maximum temperature	32.6 C (90.7 F)	36 of 100 (Notable)
Lindenberg	Germany	Record high minimum temperature	20.8 C (69.4 F)	36 of 100 (Notable)
Nurnberg	Germany	Record high minimum temperature	18.9 C (66.0 F)	36 of 100 (Notable)
Chemnitz	Germany	Record high maximum temperature	30.2 C (86.4 F)	36 of 100 (Notable)
Tegjultja	Russia	Record daily precipitation	25.0 mm (1.0 in)	36 of 100 (Notable)
Osmond	United States	Record daily precipitation	50.3 mm (2.0 in)	35 of 100 (Notable)
Onawa 3NW	United States	Record daily precipitation	73.7 mm (2.9 in)	34 of 100 (Routine)
Saint Paul	United States	Record low maximum temperature	20.6 C (69.1 F)	34 of 100 (Routine)
Milan Exp STN	United States	Record low maximum temperature	22.8 C (73.0 F)	34 of 100 (Routine)
Milan Exp STN	United States	Record daily precipitation	72.1 mm (2.8 in)	34 of 100 (Routine)
Janaul	Russia	Record daily precipitation	31.1 mm (1.2 in)	33 of 100 (Routine)
Rockwell City	United States	Record daily precipitation	74.9 mm (2.9 in)	33 of 100 (Routine)
Paxton	United States	Record daily precipitation	39.1 mm (1.5 in)	33 of 100 (Routine)
Waynesboro	United States	Record low maximum temperature	23.3 C (73.9 F)	33 of 100 (Routine)
Harrington Harbour	Canada	Record daily precipitation	52.1 mm (2.1 in)	32 of 100 (Routine)
Nordby (Fano)	Denmark	Record high maximum temperature	31.4 C (88.5 F)	32 of 100 (Routine)
Birsk	Russia	Record daily precipitation	25.0 mm (1.0 in)	32 of 100 (Routine)
Genoa 2 W	United States	Record low maximum temperature	23.9 C (75.0 F)	32 of 100 (Routine)
Ashland	United States	Record high maximum temperature	38.9 C (102.0 F)	32 of 100 (Routine)
Las Vegas Muni AP	United States	Record daily precipitation	33.0 mm (1.3 in)	32 of 100 (Routine)
Humboldt	Canada	Record low maximum temperature	16.1 C (61.0 F)	31 of 100 (Routine)
Jaen (Instituto)	Spain	Record low minimum temperature	11.6 C (52.9 F)	31 of 100 (Routine)
Kayenta	United States	Record low maximum temperature	18.9 C (66.0 F)	31 of 100 (Routine)
Madison	United States	Record daily precipitation	45.5 mm (1.8 in)	31 of 100 (Routine)
Kahuku 912	United States	Record high maximum temperature	31.7 C (89.1 F)	31 of 100 (Routine)
Salinas AP	United States	Record high minimum temperature	16.7 C (62.1 F)	31 of 100 (Routine)
Scottsbluff W B Heilig Fld AP	United States	Record low maximum temperature	22.8 C (73.0 F)	31 of 100 (Routine)
Belair (Kalyra)	Australia	Record daily precipitation	25.9 mm (1.0 in)	30 of 100 (Routine)
Lamar	United States	Record low maximum temperature	25.0 C (77.0 F)	30 of 100 (Routine)
Leroy 5 WSW	United States	Record low maximum temperature	21.1 C (70.0 F)	30 of 100 (Routine)
Mapleton No.2	United States	Record daily precipitation	55.4 mm (2.2 in)	30 of 100 (Routine)

Counts by Type and Timescale

634 records

Records set or tied on 17 July 1972 by type: Highest daily maximum 91, Lowest daily maximum 139, Highest daily minimum 137, Lowest daily minimum 86, Heaviest daily rainfall 181.

Records on 17 July 1972 by type
Record type	Records
Highest daily maximum	91
Lowest daily maximum	139
Highest daily minimum	137
Lowest daily minimum	86
Heaviest daily rainfall	181
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 17 July 1972 by timescale: all-time 4, monthly 12, daily 618.

How Much Records Were Beaten By

475 broken records

Margins by which the 475 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 91.9. Ties are not counted.

Top 20 by Significance

17 July 1972

Top 20 records on 17 July 1972 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
17 July 1972	Iowa City, US	daily rain	111.8 mm (4.4 in)	68.9 mm (2.7 in)	64 years	67 of 100 (Major)
17 July 1972	Winnebago, US	daily rain	114.8 mm (4.5 in)	91.9 mm (3.6 in)	69 years	67 of 100 (Major)
17 July 1972	Concordia ASOS, US	daily rain	90.7 mm (3.6 in)	49.0 mm (1.9 in)	75 years	64 of 100 (Major)
17 July 1972	Walthill 1E, US	daily rain	96.5 mm (3.8 in)	57.6 mm (2.3 in)	41 years	58 of 100 (Notable)
17 July 1972	Coleman, CA	daily rain	27.4 mm (1.1 in)	21.0 mm (0.8 in)	56 years	54 of 100 (Notable)
17 July 1972	Sac City, US	monthly rain	117.6 mm (4.6 in)	16.8 mm (0.7 in)	70 years	51 of 100 (Notable)
17 July 1972	Winside, US	daily rain	85.6 mm (3.4 in)	63.8 mm (2.5 in)	28 years	51 of 100 (Notable)
17 July 1972	Shippensburg, US	daily rain	58.4 mm (2.3 in)	30.2 mm (1.2 in)	61 years	50 of 100 (Notable)
17 July 1972	Newbern, US	daily rain	90.4 mm (3.6 in)	62.5 mm (2.5 in)	35 years	50 of 100 (Notable)
17 July 1972	Samary, RU	daily rain	47.1 mm (1.9 in)	31.9 mm (1.3 in)	23 years	49 of 100 (Notable)
17 July 1972	Wakefield 3NW, US	monthly rain	121.4 mm (4.8 in)	32.5 mm (1.3 in)	20 years	47 of 100 (Notable)
17 July 1972	Oakdale, US	daily rain	76.2 mm (3.0 in)	51.8 mm (2.0 in)	3 years	46 of 100 (Notable)
17 July 1972	Pekisko, CA	daily rain	25.7 mm (1.0 in)	17.8 mm (0.7 in)	57 years	44 of 100 (Notable)
17 July 1972	Sabino Canyon, US	daily rain	48.8 mm (1.9 in)	32.0 mm (1.3 in)	5 years	44 of 100 (Notable)
17 July 1972	Elkton 3 SW, US	all-time high min	22.2 C (72.0 F)	3.3 C (5.9 F)	24 years	43 of 100 (Notable)
17 July 1972	Paris 3 ESE, US	daily rain	60.2 mm (2.4 in)	36.8 mm (1.4 in)	35 years	43 of 100 (Notable)
17 July 1972	Menzelinsk, RU	monthly rain	64.8 mm (2.6 in)	13.8 mm (0.5 in)	32 years	42 of 100 (Notable)
17 July 1972	Lyons, US	daily rain	53.3 mm (2.1 in)	21.3 mm (0.8 in)	69 years	41 of 100 (Notable)
17 July 1972	Newport, US	daily high max	26.1 C (79.0 F)	2.2 C (4.0 F)	78 years	41 of 100 (Notable)
17 July 1972	Acude Forquilha, BR	monthly rain	41.0 mm (1.6 in)	8.0 mm (0.31 in)	50 years	40 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

1793 to 1972

Records set or tied on this calendar date in each year from 1793 to 1972. 1972 had 634 records.

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

Records on 07-17 in each year
Year	Records
1793	1
1798	1
1799	1
1801	2
1802	1
1821	1
1827	1
1833	1
1840	1
1842	1
1845	2
1852	1
1862	1
1863	1
1865	2
1866	1
1871	1
1874	1
1875	2
1877	1
1880	1
1881	2
1882	2
1883	5
1884	1
1887	1
1888	2
1889	4
1890	4
1892	5
1893	3
1894	4
1895	1
1896	3
1897	1
1898	2
1899	4
1900	4
1901	6
1902	6
1903	13
1904	4
1905	9
1906	13
1907	12
1908	32
1909	16
1910	8
1911	52
1912	13
1913	26
1914	67
1915	71
1916	27
1917	62
1918	41
1919	45
1920	50
1921	120
1922	206
1923	105
1924	165
1925	275
1926	251
1927	118
1928	116
1929	154
1930	366
1931	492
1932	293
1933	216
1934	438
1935	245
1936	815
1937	313
1938	303
1939	540
1940	319
1941	386
1942	522
1943	321
1944	236
1945	681
1946	523
1947	505
1948	278
1949	405
1950	645
1951	356
1952	772
1953	557
1954	517
1955	512
1956	608
1957	298
1958	693
1959	631
1960	324
1961	408
1962	421
1963	223
1964	481
1965	753
1966	454
1967	965
1968	707
1969	741
1970	486
1971	790
1972	634
1973	680
1974	691
1975	775
1976	1,041
1977	764
1978	794
1979	642
1980	1,137
1981	628
1982	850
1983	1,120
1984	875
1985	483
1986	1,214
1987	1,388
1988	1,239
1989	1,289
1990	953
1991	763
1992	1,055
1993	956
1994	631
1995	917
1996	911
1997	816
1998	1,031
1999	925
2000	1,166
2001	916
2002	995
2003	1,396
2004	908
2005	1,184
2006	1,509
2007	1,218
2008	508
2009	1,218
2010	965
2011	1,101
2012	934
2013	819
2014	1,456
2015	831
2016	679
2017	398
2018	750
2019	477
2020	515
2021	625
2022	791
2023	1,060
2024	814
2025	966
2026	860

Download the Data

Data for records on 1972-07-17: 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 20	440
20 to 40	28
40 to 60	3
60 to 80	3
80 to 100	1