Weather Records on 15 October 1977

543 weather records were set or tied worldwide on 15 October 1977. Highest significance: Avon Park 2 W, US.

Key Facts for 15 October 1977

On 15 October 1977, 543 weather records were set or tied at long-record stations worldwide.
52 were record highs and 373 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 6 monthly and 537 daily.
Avon Park 2 W set a daily record low minimum temperature of 6.7 C (44.1 F) on 15 October 1977.
Across 159 earlier years (1794 to 2025) the same calendar date averaged 459 records.

Record Map

543 stations

543 station records on 15 October 1977 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 15 October 1977: highest significance records shown on the map
Station	Country	Type	Value	Significance
Avon Park 2 W	United States	Record low minimum temperature	6.7 C (44.1 F)	44 of 100 (Notable)
Deland 1 SSE	United States	Record low minimum temperature	2.2 C (36.0 F)	43 of 100 (Notable)
Ocala	United States	Record low minimum temperature	2.2 C (36.0 F)	43 of 100 (Notable)
Federal Pt	United States	Record low minimum temperature	6.1 C (43.0 F)	42 of 100 (Notable)
Lake Placid 2 S	United States	Record daily precipitation	29.7 mm (1.2 in)	42 of 100 (Notable)
Cheraw	United States	Record low maximum temperature	12.2 C (54.0 F)	42 of 100 (Notable)
Warrenton 3 SE	United States	Record low maximum temperature	10.0 C (50.0 F)	42 of 100 (Notable)
Pesqueira	Brazil	Record daily precipitation	35.0 mm (1.4 in)	41 of 100 (Notable)
Madison	United States	Record low minimum temperature	2.2 C (36.0 F)	40 of 100 (Notable)
Roxboro 7 ESE	United States	Record low maximum temperature	10.0 C (50.0 F)	40 of 100 (Notable)
Somerville 4 NW	United States	Record low maximum temperature	8.9 C (48.0 F)	39 of 100 (Notable)
Belhaven 1 SE	United States	Record low maximum temperature	9.4 C (48.9 F)	39 of 100 (Notable)
Gaspe	Canada	Record daily precipitation	26.4 mm (1.0 in)	38 of 100 (Notable)
Arcadia	United States	Record low minimum temperature	7.2 C (45.0 F)	38 of 100 (Notable)
Titusville	United States	Record low maximum temperature	21.1 C (70.0 F)	38 of 100 (Notable)
Camilla 3SE	United States	Record low minimum temperature	2.2 C (36.0 F)	38 of 100 (Notable)
Fergana	Uzbekistan	Record high minimum temperature	11.7 C (53.1 F)	37 of 100 (Notable)
Waynesboro 2 S	United States	Record low minimum temperature	0.0 C (32.0 F)	36 of 100 (Notable)
Hightstown 2 W	United States	Record low maximum temperature	8.9 C (48.0 F)	36 of 100 (Notable)
Ft Myers Page Fld AP	United States	Record low minimum temperature	11.7 C (53.1 F)	36 of 100 (Notable)
Bartow 1SE	United States	Record low minimum temperature	7.2 C (45.0 F)	35 of 100 (Notable)
De Funiak Springs 1 E	United States	Record low minimum temperature	1.7 C (35.1 F)	35 of 100 (Notable)
Saint Leo	United States	Record low minimum temperature	7.8 C (46.0 F)	35 of 100 (Notable)
Olekminsk	Russia	Record low minimum temperature	-19.2 C (-2.6 F)	34 of 100 (Routine)
Greeneville Exp STN	United States	Record low maximum temperature	12.8 C (55.0 F)	34 of 100 (Routine)
University Exp STN	United States	Record daily snowfall	7.6 cm (3.0 in)	34 of 100 (Routine)
Inverness 3 SE	United States	Record low maximum temperature	21.7 C (71.1 F)	33 of 100 (Routine)
Inverness 3 SE	United States	Record low minimum temperature	6.1 C (43.0 F)	33 of 100 (Routine)
Experiment	United States	Record low minimum temperature	1.7 C (35.1 F)	33 of 100 (Routine)
Hawkinsville	United States	Record low minimum temperature	1.1 C (34.0 F)	33 of 100 (Routine)
Waycross 4 NE	United States	Record low minimum temperature	1.1 C (34.0 F)	33 of 100 (Routine)
Montrose	United States	Record daily precipitation	41.7 mm (1.6 in)	33 of 100 (Routine)
Campbell (Mun)	South Africa	Record daily precipitation	31.0 mm (1.2 in)	32 of 100 (Routine)
Evergreen	United States	Record low minimum temperature	2.2 C (36.0 F)	32 of 100 (Routine)
Thomasville	United States	Record low minimum temperature	1.1 C (34.0 F)	32 of 100 (Routine)
Belle Glade	United States	Record low minimum temperature	7.8 C (46.0 F)	32 of 100 (Routine)
Tarpon Spgs Sewage Plt	United States	Record low minimum temperature	6.7 C (44.1 F)	32 of 100 (Routine)
Dublin	United States	Record low minimum temperature	1.1 C (34.0 F)	32 of 100 (Routine)
Farmington	United States	Record low maximum temperature	6.7 C (44.1 F)	32 of 100 (Routine)
College Park	United States	Record low maximum temperature	10.0 C (50.0 F)	32 of 100 (Routine)
Newton	United States	Record low maximum temperature	7.8 C (46.0 F)	32 of 100 (Routine)
Southport 5 N	United States	Record low minimum temperature	2.2 C (36.0 F)	32 of 100 (Routine)
Newport 1 NW	United States	Record low maximum temperature	13.3 C (55.9 F)	32 of 100 (Routine)
Miramichi A	Canada	Record daily precipitation	51.4 mm (2.0 in)	31 of 100 (Routine)
San Diego de la Union	Mexico	Record low minimum temperature	-0.6 C (30.9 F)	31 of 100 (Routine)
Catemaco	Mexico	Record low maximum temperature	13.3 C (55.9 F)	31 of 100 (Routine)
Perry	United States	Record low minimum temperature	-0.6 C (30.9 F)	31 of 100 (Routine)
Winter Haven	United States	Record low minimum temperature	7.8 C (46.0 F)	31 of 100 (Routine)
Millen 4 N	United States	Record low minimum temperature	-0.6 C (30.9 F)	31 of 100 (Routine)
Ripley	United States	Record low minimum temperature	0.0 C (32.0 F)	31 of 100 (Routine)
Bainbridge 2 E	United States	Record daily precipitation	37.6 mm (1.5 in)	31 of 100 (Routine)
Henderson 2 NNW	United States	Record low maximum temperature	10.0 C (50.0 F)	31 of 100 (Routine)
Myerstown	United States	Record daily precipitation	41.1 mm (1.6 in)	31 of 100 (Routine)
Goldsboro 4 SE	United States	Record low maximum temperature	8.9 C (48.0 F)	31 of 100 (Routine)
Scottsboro	United States	Record low minimum temperature	-1.1 C (30.0 F)	30 of 100 (Routine)
Union Springs 9 S	United States	Record low minimum temperature	3.3 C (37.9 F)	30 of 100 (Routine)
Everglades	United States	Record low minimum temperature	12.2 C (54.0 F)	30 of 100 (Routine)
Forsyth 6 NNW	United States	Record low minimum temperature	2.2 C (36.0 F)	30 of 100 (Routine)
Fayetteville (Pwc)	United States	Record low maximum temperature	10.6 C (51.1 F)	30 of 100 (Routine)
Greenwood	United States	Record low minimum temperature	1.1 C (34.0 F)	30 of 100 (Routine)

Counts by Type and Timescale

543 records

Records set or tied on 15 October 1977 by type: Highest daily maximum 31, Lowest daily maximum 150, Highest daily minimum 21, Lowest daily minimum 223, Heaviest daily rainfall 109, Heaviest daily snowfall 8, Deepest snow cover 1.

Records on 15 October 1977 by type
Record type	Records
Highest daily maximum	31
Lowest daily maximum	150
Highest daily minimum	21
Lowest daily minimum	223
Heaviest daily rainfall	109
Heaviest daily snowfall	8
Deepest snow cover	1

Records on 15 October 1977 by timescale: all-time 0, monthly 6, daily 537.

How Much Records Were Beaten By

422 broken records

Margins by which the 422 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 68.0. Ties are not counted.

Top 20 by Significance

15 October 1977

Top 20 records on 15 October 1977 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
15 October 1977	Avon Park 2 W, US	daily low min	6.7 C (44.1 F)	5.5 C (9.9 F)	68 years	44 of 100 (Notable)
15 October 1977	Deland 1 SSE, US	daily low min	2.2 C (36.0 F)	6.1 C (11.0 F)	70 years	43 of 100 (Notable)
15 October 1977	Ocala, US	daily low min	2.2 C (36.0 F)	6.1 C (11.0 F)	70 years	43 of 100 (Notable)
15 October 1977	Federal Pt, US	daily low min	6.1 C (43.0 F)	3.9 C (7.0 F)	80 years	42 of 100 (Notable)
15 October 1977	Lake Placid 2 S, US	daily rain	29.7 mm (1.2 in)	17.0 mm (0.7 in)	47 years	42 of 100 (Notable)
15 October 1977	Cheraw, US	daily low max	12.2 C (54.0 F)	4.5 C (8.1 F)	80 years	42 of 100 (Notable)
15 October 1977	Warrenton 3 SE, US	daily low max	10.0 C (50.0 F)	5.6 C (10.1 F)	78 years	42 of 100 (Notable)
15 October 1977	Pesqueira, BR	daily rain	35.0 mm (1.4 in)	32.6 mm (1.3 in)	6 years	41 of 100 (Notable)
15 October 1977	Madison, US	daily low min	2.2 C (36.0 F)	5.0 C (9.0 F)	70 years	40 of 100 (Notable)
15 October 1977	Roxboro 7 ESE, US	daily low max	10.0 C (50.0 F)	3.9 C (7.0 F)	82 years	40 of 100 (Notable)
15 October 1977	Somerville 4 NW, US	daily low max	8.9 C (48.0 F)	1.7 C (3.1 F)	92 years	39 of 100 (Notable)
15 October 1977	Belhaven 1 SE, US	daily low max	9.4 C (48.9 F)	7.8 C (14.0 F)	40 years	39 of 100 (Notable)
15 October 1977	Gaspe, CA	daily rain	26.4 mm (1.0 in)	6.8 mm (0.27 in)	81 years	38 of 100 (Notable)
15 October 1977	Arcadia, US	daily low min	7.2 C (45.0 F)	3.9 C (7.0 F)	70 years	38 of 100 (Notable)
15 October 1977	Titusville, US	daily low max	21.1 C (70.0 F)	2.8 C (5.0 F)	70 years	38 of 100 (Notable)
15 October 1977	Camilla 3SE, US	daily low min	2.2 C (36.0 F)	2.8 C (5.0 F)	83 years	38 of 100 (Notable)
15 October 1977	Fergana, UZ	daily high min	11.7 C (53.1 F)	1.0 C (1.8 F)	88 years	37 of 100 (Notable)
15 October 1977	Waynesboro 2 S, US	daily low min	0.0 C (32.0 F)	3.9 C (7.0 F)	70 years	36 of 100 (Notable)
15 October 1977	Hightstown 2 W, US	daily low max	8.9 C (48.0 F)	2.2 C (4.0 F)	82 years	36 of 100 (Notable)
15 October 1977	Ft Myers Page Fld AP, US	daily low min	11.7 C (53.1 F)	2.2 C (4.0 F)	70 years	36 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 1977

Records set or tied on this calendar date in each year from 1794 to 1977. 1977 had 543 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 1977-10-15: 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 10	379
10 to 20	31
20 to 30	7
30 to 40	3
40 to 50	1
50 to 60	0
60 to 70	1