Weather Records on 17 February 1977

650 weather records were set or tied worldwide on 17 February 1977. Highest significance: Cooktown Post Office, AU.

Key Facts for 17 February 1977

On 17 February 1977, 650 weather records were set or tied at long-record stations worldwide.
464 were record highs and 89 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 15 monthly and 633 daily.
Cooktown Post Office set a daily record precipitation of 210.2 mm (8.3 in) on 17 February 1977.
Across 161 earlier years (1794 to 2026) the same calendar date averaged 497 records.

Record Map

650 stations

650 station records on 17 February 1977 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 17 February 1977: highest significance records shown on the map
Station	Country	Type	Value	Significance
Cooktown Post Office	Australia	Record daily precipitation	210.2 mm (8.3 in)	68 of 100 (Major)
Hermannsburg	Australia	Record daily precipitation	87.9 mm (3.5 in)	58 of 100 (Notable)
Fredonia	United States	Record snow depth	76.2 cm (30.0 in)	55 of 100 (Notable)
Jansenville	South Africa	Record daily precipitation	25.0 mm (1.0 in)	47 of 100 (Notable)
Woodgreen	Australia	Record daily precipitation	79.0 mm (3.1 in)	41 of 100 (Notable)
Pomona/Fairplex	United States	Record high maximum temperature	32.2 C (90.0 F)	37 of 100 (Notable)
Glen Helen	Australia	Record daily precipitation	134.2 mm (5.3 in)	36 of 100 (Notable)
Pioche	United States	Record high maximum temperature	17.2 C (63.0 F)	36 of 100 (Notable)
Escalante	United States	Record high maximum temperature	20.6 C (69.1 F)	36 of 100 (Notable)
Winkelman 6 S	United States	Record high maximum temperature	28.9 C (84.0 F)	34 of 100 (Routine)
Lodi	United States	Record high maximum temperature	23.9 C (75.0 F)	34 of 100 (Routine)
Ayton	Australia	Record daily precipitation	132.0 mm (5.2 in)	33 of 100 (Routine)
King Junction	Australia	Record daily precipitation	67.2 mm (2.6 in)	32 of 100 (Routine)
Chilliwack	Canada	Record high minimum temperature	7.2 C (45.0 F)	32 of 100 (Routine)
Prescott	United States	Record high maximum temperature	22.2 C (72.0 F)	32 of 100 (Routine)
Elsinore	United States	Record high maximum temperature	31.7 C (89.1 F)	32 of 100 (Routine)
Ft Ross	United States	Record high maximum temperature	18.3 C (64.9 F)	32 of 100 (Routine)
Leroy 5 WSW	United States	Record high minimum temperature	1.7 C (35.1 F)	32 of 100 (Routine)
Bremerton	United States	Record high maximum temperature	14.4 C (57.9 F)	32 of 100 (Routine)
Headingly Station	Australia	Record daily precipitation	44.5 mm (1.8 in)	31 of 100 (Routine)
Nikolskoye/Beringa Ostrov	Russia	Record low maximum temperature	-12.1 C (10.2 F)	31 of 100 (Routine)
Koster (Pol)	South Africa	Record daily precipitation	61.0 mm (2.4 in)	31 of 100 (Routine)
Durango	United States	Record high maximum temperature	16.7 C (62.1 F)	31 of 100 (Routine)
Gunnison 3SW	United States	Record high maximum temperature	12.8 C (55.0 F)	31 of 100 (Routine)
Heber	United States	Record high maximum temperature	13.9 C (57.0 F)	31 of 100 (Routine)
Woodruff	United States	Record high maximum temperature	12.2 C (54.0 F)	31 of 100 (Routine)
Nespelem 2 S	United States	Record high maximum temperature	15.6 C (60.1 F)	30 of 100 (Routine)
Tempe Downs	Australia	Record daily precipitation	52.4 mm (2.1 in)	29 of 100 (Routine)
Victory Downs	Australia	Record daily precipitation	62.0 mm (2.4 in)	29 of 100 (Routine)
Redding Fire STN 2	United States	Record high maximum temperature	26.7 C (80.1 F)	29 of 100 (Routine)
Bartow 1SE	United States	Record low minimum temperature	-5.0 C (23.0 F)	29 of 100 (Routine)
Adaven	United States	Record high minimum temperature	2.8 C (37.0 F)	29 of 100 (Routine)
Conconully	United States	Record high maximum temperature	13.3 C (55.9 F)	29 of 100 (Routine)
Wilbur	United States	Record high maximum temperature	13.3 C (55.9 F)	29 of 100 (Routine)
Winthrop 1 WSW	United States	Record high maximum temperature	13.9 C (57.0 F)	29 of 100 (Routine)
Hamilton Station	Australia	Record daily precipitation	46.0 mm (1.8 in)	28 of 100 (Routine)
San Rafael-Civic Ctr	United States	Record high maximum temperature	25.6 C (78.1 F)	28 of 100 (Routine)
Monticello	United States	Record low minimum temperature	-6.7 C (19.9 F)	28 of 100 (Routine)
Seneca	United States	Record high maximum temperature	13.3 C (55.9 F)	28 of 100 (Routine)
Camp Crook	United States	Record high minimum temperature	2.8 C (37.0 F)	28 of 100 (Routine)
La Estanzuela (Eele)	Uruguay	Record daily precipitation	43.0 mm (1.7 in)	28 of 100 (Routine)
Barrow Creek	Australia	Record daily precipitation	62.0 mm (2.4 in)	27 of 100 (Routine)
Casa Grande Nm	United States	Record high maximum temperature	29.4 C (84.9 F)	27 of 100 (Routine)
Wellton	United States	Record high maximum temperature	31.1 C (88.0 F)	27 of 100 (Routine)
Burlington	United States	Record high minimum temperature	1.7 C (35.1 F)	27 of 100 (Routine)
Glendive	United States	Record high minimum temperature	0.6 C (33.1 F)	27 of 100 (Routine)
Morgan	United States	Record high maximum temperature	15.0 C (59.0 F)	27 of 100 (Routine)
Panguitch	United States	Record high maximum temperature	17.8 C (64.0 F)	27 of 100 (Routine)
Sunnyside	United States	Record high maximum temperature	21.1 C (70.0 F)	27 of 100 (Routine)
Huatusco de Chicuellar	Mexico	Record low maximum temperature	10.0 C (50.0 F)	26 of 100 (Routine)
Surprise Store	South Africa	Record daily precipitation	45.5 mm (1.8 in)	26 of 100 (Routine)
Snowflake	United States	Record high maximum temperature	23.3 C (73.9 F)	26 of 100 (Routine)
Wickenburg	United States	Record high maximum temperature	28.9 C (84.0 F)	26 of 100 (Routine)
Auberry 2 NW	United States	Record high minimum temperature	12.8 C (55.0 F)	26 of 100 (Routine)
Truckee Rs	United States	Record high maximum temperature	17.8 C (64.0 F)	26 of 100 (Routine)
Vacaville	United States	Record high maximum temperature	25.0 C (77.0 F)	26 of 100 (Routine)
Ft Collins	United States	Record high minimum temperature	6.7 C (44.1 F)	26 of 100 (Routine)
Ocala	United States	Record low minimum temperature	-3.9 C (25.0 F)	26 of 100 (Routine)
Hill City 1 W	United States	Record high maximum temperature	12.8 C (55.0 F)	26 of 100 (Routine)
Mackay Lost Rvr Rs	United States	Record high maximum temperature	13.3 C (55.9 F)	26 of 100 (Routine)

Counts by Type and Timescale

650 records

Records set or tied on 17 February 1977 by type: Highest daily maximum 326, Lowest daily maximum 34, Highest daily minimum 138, Lowest daily minimum 55, Heaviest daily rainfall 79, Heaviest daily snowfall 4, Deepest snow cover 14.

Records on 17 February 1977 by type
Record type	Records
Highest daily maximum	326
Lowest daily maximum	34
Highest daily minimum	138
Lowest daily minimum	55
Heaviest daily rainfall	79
Heaviest daily snowfall	4
Deepest snow cover	14

Records on 17 February 1977 by timescale: all-time 2, monthly 15, daily 633.

How Much Records Were Beaten By

504 broken records

Margins by which the 504 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 432.0. Ties are not counted.

Top 20 by Significance

17 February 1977

Top 20 records on 17 February 1977 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
17 February 1977	Cooktown Post Office, AU	daily rain	210.2 mm (8.3 in)	132.0 mm (5.2 in)	63 years	68 of 100 (Major)
17 February 1977	Hermannsburg, AU	daily rain	87.9 mm (3.5 in)	76.0 mm (3.0 in)	31 years	58 of 100 (Notable)
17 February 1977	Fredonia, US	daily snow depth	76.2 cm (30.0 in)	43.2 cm (17.0 in)	32 years	55 of 100 (Notable)
17 February 1977	Jansenville, ZA	daily rain	25.0 mm (1.0 in)	7.2 mm (0.28 in)	98 years	47 of 100 (Notable)
17 February 1977	Woodgreen, AU	daily rain	79.0 mm (3.1 in)	59.0 mm (2.3 in)	2 years	41 of 100 (Notable)
17 February 1977	Pomona/Fairplex, US	daily high max	32.2 C (90.0 F)	2.8 C (5.0 F)	76 years	37 of 100 (Notable)
17 February 1977	Glen Helen, AU	daily rain	134.2 mm (5.3 in)	73.2 mm (2.9 in)	31 years	36 of 100 (Notable)
17 February 1977	Pioche, US	daily high max	17.2 C (63.0 F)	0.5 C (0.9 F)	86 years	36 of 100 (Notable)
17 February 1977	Escalante, US	daily high max	20.6 C (69.1 F)	4.5 C (8.1 F)	73 years	36 of 100 (Notable)
17 February 1977	Winkelman 6 S, US	daily high max	28.9 C (84.0 F)	2.2 C (4.0 F)	75 years	34 of 100 (Routine)
17 February 1977	Lodi, US	daily high max	23.9 C (75.0 F)	1.1 C (2.0 F)	77 years	34 of 100 (Routine)
17 February 1977	Ayton, AU	daily rain	132.0 mm (5.2 in)	56.6 mm (2.2 in)	38 years	33 of 100 (Routine)
17 February 1977	King Junction, AU	daily rain	67.2 mm (2.6 in)	23.0 mm (0.9 in)	50 years	32 of 100 (Routine)
17 February 1977	Chilliwack, CA	daily high min	7.2 C (45.0 F)	0.5 C (0.9 F)	75 years	32 of 100 (Routine)
17 February 1977	Prescott, US	daily high max	22.2 C (72.0 F)	1.1 C (2.0 F)	75 years	32 of 100 (Routine)
17 February 1977	Elsinore, US	daily high max	31.7 C (89.1 F)	0.6 C (1.1 F)	76 years	32 of 100 (Routine)
17 February 1977	Ft Ross, US	daily high max	18.3 C (64.9 F)	0.5 C (0.9 F)	76 years	32 of 100 (Routine)
17 February 1977	Leroy 5 WSW, US	daily high min	1.7 C (35.1 F)	0.6 C (1.1 F)	80 years	32 of 100 (Routine)
17 February 1977	Bremerton, US	daily high max	14.4 C (57.9 F)	1.1 C (2.0 F)	75 years	32 of 100 (Routine)
17 February 1977	Headingly Station, AU	daily rain	44.5 mm (1.8 in)	17.6 mm (0.7 in)	43 years	31 of 100 (Routine)

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 650 records.

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

Records on 02-17 in each year
Year	Records
1794	1
1824	1
1827	1
1843	1
1847	2
1849	1
1850	1
1851	1
1852	1
1855	4
1856	1
1858	1
1859	2
1866	2
1867	3
1869	1
1874	1
1876	2
1878	1
1879	2
1880	1
1883	2
1884	1
1885	4
1887	2
1888	1
1891	1
1892	7
1893	1
1894	1
1895	7
1896	6
1897	1
1898	6
1899	3
1900	6
1901	5
1902	16
1903	22
1904	11
1905	9
1906	10
1907	6
1908	9
1909	10
1910	25
1911	27
1912	19
1913	17
1914	41
1915	17
1916	26
1917	38
1918	64
1919	236
1920	39
1921	182
1922	78
1923	69
1924	252
1925	188
1926	145
1927	377
1928	488
1929	234
1930	367
1931	212
1932	390
1933	164
1934	344
1935	150
1936	1,102
1937	295
1938	529
1939	755
1940	330
1941	166
1942	671
1943	542
1944	462
1945	349
1946	341
1947	274
1948	890
1949	436
1950	469
1951	358
1952	394
1953	369
1954	1,009
1955	721
1956	1,082
1957	252
1958	1,806
1959	575
1960	222
1961	734
1962	397
1963	303
1964	184
1965	332
1966	480
1967	611
1968	350
1969	604
1970	1,050
1971	487
1972	750
1973	821
1974	355
1975	1,035
1976	1,421
1977	650
1978	1,452
1979	1,965
1980	954
1981	2,353
1982	732
1983	484
1984	748
1985	622
1986	1,077
1987	659
1988	400
1989	1,026
1990	1,370
1991	771
1992	593
1993	2,102
1994	705
1995	1,387
1996	1,115
1997	841
1998	2,204
1999	697
2000	870
2001	712
2002	863
2003	1,151
2004	880
2005	538
2006	1,621
2007	1,177
2008	1,155
2009	765
2010	1,544
2011	1,615
2012	444
2013	312
2014	832
2015	1,209
2016	842
2017	864
2018	509
2019	1,177
2020	1,047
2021	2,052
2022	1,116
2023	1,581
2024	703
2025	617
2026	954

Download the Data

Data for records on 1977-02-17: 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	499
100 to 200	4
200 to 300	0
300 to 400	0
400 to 500	1