Weather Records on 15 October 1997

964 weather records were set or tied worldwide on 15 October 1997. Highest significance: Honaunau 27, US.

Key Facts for 15 October 1997

On 15 October 1997, 964 weather records were set or tied at long-record stations worldwide.
216 were record highs and 554 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 32 monthly and 931 daily.
Honaunau 27 set a daily record precipitation of 58.4 mm (2.3 in) on 15 October 1997.
Across 159 earlier years (1794 to 2025) the same calendar date averaged 457 records.

Record Map

964 stations

964 station records on 15 October 1997 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 15 October 1997: highest significance records shown on the map
Station	Country	Type	Value	Significance
Honaunau 27	United States	Record daily precipitation	58.4 mm (2.3 in)	62 of 100 (Major)
Odesa	Ukraine	Record daily precipitation	32.6 mm (1.3 in)	57 of 100 (Notable)
Guiping	China	Record daily precipitation	103.7 mm (4.1 in)	52 of 100 (Notable)
Dontsa	South Africa	Record daily precipitation	96.0 mm (3.8 in)	51 of 100 (Notable)
Homer AP	United States	Record daily snowfall	13.0 cm (5.1 in)	51 of 100 (Notable)
Maclear (Mag)	South Africa	Record daily precipitation	40.0 mm (1.6 in)	49 of 100 (Notable)
Santa Gertrudis	Mexico	Record daily precipitation	79.8 mm (3.1 in)	47 of 100 (Notable)
Santa Fe	Mexico	Record high maximum temperature	33.9 C (93.0 F)	47 of 100 (Notable)
Philipstown (Tnk)	South Africa	Record daily precipitation	44.5 mm (1.8 in)	45 of 100 (Notable)
Passo Do Sarmento	Brazil	Record daily precipitation	108.6 mm (4.3 in)	43 of 100 (Notable)
Salzburg	Austria	Record low maximum temperature	5.9 C (42.6 F)	41 of 100 (Notable)
Celaya (Smn)	Mexico	Record low maximum temperature	10.0 C (50.0 F)	41 of 100 (Notable)
Oconomowoc Wwtp	United States	Record low maximum temperature	7.2 C (45.0 F)	41 of 100 (Notable)
La Desembocada	Mexico	Record low minimum temperature	13.9 C (57.0 F)	40 of 100 (Notable)
Mayaguez City	Puerto Rico [United States]	Record high minimum temperature	23.9 C (75.0 F)	40 of 100 (Notable)
Sanderson	United States	Record low minimum temperature	2.8 C (37.0 F)	40 of 100 (Notable)
Palmerville	Australia	Record low minimum temperature	14.0 C (57.2 F)	39 of 100 (Notable)
Sapucaia Do Sul	Brazil	Record daily precipitation	69.2 mm (2.7 in)	39 of 100 (Notable)
Perm	Russia	Record high maximum temperature	17.6 C (63.7 F)	39 of 100 (Notable)
Cengcane (Bos)	South Africa	Record daily precipitation	40.0 mm (1.6 in)	39 of 100 (Notable)
Tonsina	United States	Record daily snowfall	14.0 cm (5.5 in)	39 of 100 (Notable)
Aktobe	Kazakhstan	Record high minimum temperature	12.4 C (54.3 F)	38 of 100 (Notable)
Mbulu (Bos)	South Africa	Record daily precipitation	27.9 mm (1.1 in)	38 of 100 (Notable)
Cezu (Bos)	South Africa	Record daily precipitation	30.5 mm (1.2 in)	38 of 100 (Notable)
La Escalera	Mexico	Record low maximum temperature	22.8 C (73.0 F)	37 of 100 (Notable)
Irapuato	Mexico	Record low maximum temperature	18.9 C (66.0 F)	37 of 100 (Notable)
Hluhluwe Game Reserve	South Africa	Record daily precipitation	42.0 mm (1.7 in)	37 of 100 (Notable)
Normanton Post Office	Australia	Record daily precipitation	31.6 mm (1.2 in)	36 of 100 (Notable)
Furnas Do Segredo	Brazil	Record daily precipitation	90.0 mm (3.5 in)	36 of 100 (Notable)
Jaguari	Brazil	Record daily precipitation	78.8 mm (3.1 in)	36 of 100 (Notable)
Surprise Store	South Africa	Record daily precipitation	63.5 mm (2.5 in)	36 of 100 (Notable)
Oxnard	United States	Record high maximum temperature	36.7 C (98.1 F)	36 of 100 (Notable)
Karmoo	Australia	Record daily precipitation	51.0 mm (2.0 in)	35 of 100 (Notable)
El Boqueron	Mexico	Record low maximum temperature	21.1 C (70.0 F)	35 of 100 (Notable)
Galati	Romania	Record daily precipitation	41.3 mm (1.6 in)	35 of 100 (Notable)
Nququ (Bos)	South Africa	Record daily precipitation	36.2 mm (1.4 in)	35 of 100 (Notable)
Junction 4SSW	United States	Record low minimum temperature	-0.6 C (30.9 F)	35 of 100 (Notable)
Cardenas	Mexico	Record daily precipitation	160.3 mm (6.3 in)	34 of 100 (Routine)
Sredny Vasjugan	Russia	Record high minimum temperature	7.3 C (45.1 F)	34 of 100 (Routine)
Sotchi	Russia	Record high maximum temperature	28.7 C (83.7 F)	34 of 100 (Routine)
Arcola	United States	Record daily precipitation	61.5 mm (2.4 in)	34 of 100 (Routine)
Kotzebue AP	United States	Record daily snowfall	10.7 cm (4.2 in)	34 of 100 (Routine)
Ojuelos de Jalisco (Dge)	Mexico	Record low maximum temperature	10.0 C (50.0 F)	33 of 100 (Routine)
Nooitgedacht	South Africa	Record daily precipitation	34.5 mm (1.4 in)	33 of 100 (Routine)
Selma	United States	Record daily precipitation	48.8 mm (1.9 in)	33 of 100 (Routine)
San Francisco	Mexico	Record low maximum temperature	21.7 C (71.1 F)	32 of 100 (Routine)
Jalostotitlan	Mexico	Record low maximum temperature	17.8 C (64.0 F)	32 of 100 (Routine)
Palomas	Mexico	Record low maximum temperature	15.0 C (59.0 F)	32 of 100 (Routine)
Halmstad	Sweden	Record low minimum temperature	-4.1 C (24.6 F)	32 of 100 (Routine)
Big Delta AP	United States	Record snow depth	30.5 cm (12.0 in)	32 of 100 (Routine)
Parras	Mexico	Record low minimum temperature	2.8 C (37.0 F)	31 of 100 (Routine)
Palpan	Mexico	Record high minimum temperature	21.7 C (71.1 F)	31 of 100 (Routine)
Candelaria (Smn)	Mexico	Record low maximum temperature	25.0 C (77.0 F)	30 of 100 (Routine)
Puerto Morelos	Mexico	Record low maximum temperature	21.7 C (71.1 F)	30 of 100 (Routine)
El Tecomate	Mexico	Record high minimum temperature	20.6 C (69.1 F)	30 of 100 (Routine)
Dos Bocas	Puerto Rico [United States]	Record high minimum temperature	23.9 C (75.0 F)	30 of 100 (Routine)
Glen Eland	South Africa	Record daily precipitation	32.0 mm (1.3 in)	30 of 100 (Routine)
Una (Agr)	South Africa	Record daily precipitation	31.0 mm (1.2 in)	30 of 100 (Routine)
W Pt 2 NW	United States	Record daily precipitation	62.2 mm (2.4 in)	30 of 100 (Routine)
Pago Pago WSO AP	American Samoa [United States]	Record daily precipitation	78.7 mm (3.1 in)	29 of 100 (Routine)

Counts by Type and Timescale

964 records

Records set or tied on 15 October 1997 by type: Highest daily maximum 106, Lowest daily maximum 322, Highest daily minimum 110, Lowest daily minimum 232, Heaviest daily rainfall 184, Heaviest daily snowfall 5, Deepest snow cover 5.

Records on 15 October 1997 by type
Record type	Records
Highest daily maximum	106
Lowest daily maximum	322
Highest daily minimum	110
Lowest daily minimum	232
Heaviest daily rainfall	184
Heaviest daily snowfall	5
Deepest snow cover	5

Records on 15 October 1997 by timescale: all-time 1, monthly 32, daily 931.

How Much Records Were Beaten By

753 broken records

Margins by which the 753 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 115.0. Ties are not counted.

Top 20 by Significance

15 October 1997

Top 20 records on 15 October 1997 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
15 October 1997	Honaunau 27, US	daily rain	58.4 mm (2.3 in)	42.9 mm (1.7 in)	55 years	62 of 100 (Major)
15 October 1997	Odesa, UA	daily rain	32.6 mm (1.3 in)	20.0 mm (0.8 in)	64 years	57 of 100 (Notable)
15 October 1997	Guiping, CN	daily rain	103.7 mm (4.1 in)	60.2 mm (2.4 in)	28 years	52 of 100 (Notable)
15 October 1997	Dontsa, ZA	daily rain	96.0 mm (3.8 in)	46.5 mm (1.8 in)	12 years	51 of 100 (Notable)
15 October 1997	Homer AP, US	daily snowfall	13.0 cm (5.1 in)	10.7 cm (4.2 in)	58 years	51 of 100 (Notable)
15 October 1997	Maclear (Mag), ZA	daily rain	40.0 mm (1.6 in)	16.1 mm (0.6 in)	70 years	49 of 100 (Notable)
15 October 1997	Santa Gertrudis, MX	daily rain	79.8 mm (3.1 in)	63.3 mm (2.5 in)	44 years	47 of 100 (Notable)
15 October 1997	Santa Fe, MX	daily high max	33.9 C (93.0 F)	7.2 C (13.0 F)	28 years	47 of 100 (Notable)
15 October 1997	Philipstown (Tnk), ZA	daily rain	44.5 mm (1.8 in)	29.5 mm (1.2 in)	16 years	45 of 100 (Notable)
15 October 1997	Passo Do Sarmento, BR	daily rain	108.6 mm (4.3 in)	81.4 mm (3.2 in)	10 years	43 of 100 (Notable)
15 October 1997	Salzburg, AT	daily low max	5.9 C (42.6 F)	0.6 C (1.1 F)	109 years	41 of 100 (Notable)
15 October 1997	Celaya (Smn), MX	monthly low max	10.0 C (50.0 F)	3.9 C (7.0 F)	41 years	41 of 100 (Notable)
15 October 1997	Oconomowoc Wwtp, US	daily low max	7.2 C (45.0 F)	0.6 C (1.1 F)	101 years	41 of 100 (Notable)
15 October 1997	La Desembocada, MX	monthly low min	13.9 C (57.0 F)	2.8 C (5.0 F)	31 years	40 of 100 (Notable)
15 October 1997	Mayaguez City, PR	daily high min	23.9 C (75.0 F)	0.6 C (1.1 F)	90 years	40 of 100 (Notable)
15 October 1997	Sanderson, US	daily low min	2.8 C (37.0 F)	0.5 C (0.9 F)	98 years	40 of 100 (Notable)
15 October 1997	Palmerville, AU	daily low min	14.0 C (57.2 F)	0.4 C (0.7 F)	95 years	39 of 100 (Notable)
15 October 1997	Sapucaia Do Sul, BR	daily rain	69.2 mm (2.7 in)	47.7 mm (1.9 in)	24 years	39 of 100 (Notable)
15 October 1997	Perm, RU	daily high max	17.6 C (63.7 F)	2.9 C (5.2 F)	80 years	39 of 100 (Notable)
15 October 1997	Cengcane (Bos), ZA	daily rain	40.0 mm (1.6 in)	11.3 mm (0.4 in)	70 years	39 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 1997

Records set or tied on this calendar date in each year from 1794 to 1997. 1997 had 964 records.

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

Records on 10-15 in each year
Year	Records
1794	1
1795	1
1796	1
1807	1
1808	2
1836	1
1838	1
1839	1
1849	1
1859	2
1862	1
1870	2
1871	4
1873	1
1875	1
1876	3
1877	1
1878	3
1879	3
1881	3
1882	4
1885	2
1886	1
1887	8
1889	2
1891	4
1892	1
1893	5
1894	9
1895	3
1896	8
1897	2
1898	3
1899	4
1900	3
1901	4
1902	7
1903	13
1904	10
1905	13
1906	7
1907	11
1908	13
1909	17
1910	14
1911	18
1912	17
1913	70
1914	28
1915	48
1916	21
1917	29
1918	21
1919	65
1920	38
1921	160
1922	43
1923	66
1924	118
1925	221
1926	125
1927	94
1928	385
1929	200
1930	282
1931	461
1932	213
1933	255
1934	434
1935	303
1936	126
1937	1,444
1938	598
1939	461
1940	458
1941	330
1942	494
1943	704
1944	246
1945	487
1946	354
1947	963
1948	224
1949	546
1950	321
1951	341
1952	662
1953	374
1954	945
1955	444
1956	555
1957	461
1958	606
1959	411
1960	600
1961	834
1962	1,009
1963	522
1964	488
1965	299
1966	1,265
1967	464
1968	1,111
1969	1,074
1970	642
1971	744
1972	584
1973	525
1974	768
1975	808
1976	791
1977	543
1978	886
1979	720
1980	1,006
1981	965
1982	297
1983	653
1984	1,236
1985	1,068
1986	768
1987	900
1988	896
1989	560
1990	1,134
1991	1,139
1992	1,530
1993	1,066
1994	1,103
1995	1,008
1996	458
1997	964
1998	806
1999	766
2000	625
2001	705
2002	965
2003	737
2004	716
2005	610
2006	1,305
2007	702
2008	959
2009	2,365
2010	1,095
2011	906
2012	909
2013	632
2014	901
2015	1,139
2016	674
2017	1,091
2018	2,682
2019	479
2020	499
2021	983
2022	633
2023	319
2024	748
2025	697

Download the Data

Data for records on 1997-10-15: 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	721
20 to 40	18
40 to 60	7
60 to 80	4
80 to 100	1
100 to 120	2