Weather Records on 21 February 2017

1,828 weather records were set or tied worldwide on 21 February 2017. Highest significance: Tezpur, IN.

Key Facts for 21 February 2017

On 21 February 2017, 1,828 weather records were set or tied at long-record stations worldwide.
1,319 were record highs and 96 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 87 monthly and 1,741 daily.
Tezpur set a daily record precipitation of 48.0 mm (1.9 in) on 21 February 2017.
Across 164 earlier years (1795 to 2026) the same calendar date averaged 493 records.

Record Map

1,828 stations

1,828 station records on 21 February 2017 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 February 2017: highest significance records shown on the map
Station	Country	Type	Value	Significance
Tezpur	India	Record daily precipitation	48.0 mm (1.9 in)	80 of 100 (Exceptional)
Sierraville Rs	United States	Record daily precipitation	111.3 mm (4.4 in)	76 of 100 (Major)
Old Faithful	United States	Record daily precipitation	25.4 mm (1.0 in)	72 of 100 (Major)
I Dunno	Australia	Record daily precipitation	47.2 mm (1.9 in)	66 of 100 (Major)
Sutcliffe	United States	Record daily precipitation	43.7 mm (1.7 in)	62 of 100 (Major)
Virginia City	United States	Record daily precipitation	80.8 mm (3.2 in)	62 of 100 (Major)
Malad City	United States	Record daily precipitation	29.0 mm (1.1 in)	61 of 100 (Major)
Centre Island	Australia	Record daily precipitation	167.8 mm (6.6 in)	54 of 100 (Notable)
Fall Rvr Mills	United States	Record daily precipitation	32.8 mm (1.3 in)	53 of 100 (Notable)
Old Faithful	United States	Record daily snowfall	22.9 cm (9.0 in)	53 of 100 (Notable)
Gros Ventre Summit	United States	Record daily precipitation	30.5 mm (1.2 in)	53 of 100 (Notable)
Youyang	China	Record daily precipitation	28.2 mm (1.1 in)	52 of 100 (Notable)
Gyshgy	Turkmenistan	Record low minimum temperature	-16.6 C (2.1 F)	51 of 100 (Notable)
Gold Run 4 SW	United States	Record daily precipitation	104.1 mm (4.1 in)	51 of 100 (Notable)
Robinson	United States	Record high maximum temperature	22.8 C (73.0 F)	50 of 100 (Notable)
Boca	United States	Record daily precipitation	65.5 mm (2.6 in)	49 of 100 (Notable)
Susanville 2SW	United States	Record daily precipitation	40.6 mm (1.6 in)	49 of 100 (Notable)
Trenton Falls	United States	Record snow depth	38.1 cm (15.0 in)	49 of 100 (Notable)
Levan	United States	Record high minimum temperature	7.8 C (46.0 F)	49 of 100 (Notable)
Lake Yellowstone	United States	Record daily snowfall	20.3 cm (8.0 in)	49 of 100 (Notable)
Little Warm	United States	Record daily precipitation	35.6 mm (1.4 in)	48 of 100 (Notable)
Hoopeston	United States	Record high minimum temperature	11.7 C (53.1 F)	47 of 100 (Notable)
Warsaw	United States	Record high minimum temperature	8.9 C (48.0 F)	47 of 100 (Notable)
Makaweli 965	United States	Record high maximum temperature	30.0 C (86.0 F)	47 of 100 (Notable)
Green Bay	United States	Record high minimum temperature	6.7 C (44.1 F)	47 of 100 (Notable)
Streator 2SE	United States	Record high minimum temperature	6.7 C (44.1 F)	46 of 100 (Notable)
Watseka Public Works	United States	Record high minimum temperature	6.7 C (44.1 F)	46 of 100 (Notable)
Appleton	United States	Record high minimum temperature	5.6 C (42.1 F)	46 of 100 (Notable)
Newell	United States	Record high minimum temperature	5.6 C (42.1 F)	45 of 100 (Notable)
Zhijiang	China	Record daily precipitation	54.4 mm (2.1 in)	44 of 100 (Notable)
Tahiti-Faaa	French Polynesia	Record daily precipitation	121.9 mm (4.8 in)	44 of 100 (Notable)
Goshen 3SW	United States	Record high minimum temperature	8.3 C (46.9 F)	44 of 100 (Notable)
St Charles Elm Pt	United States	Record high minimum temperature	12.2 C (54.0 F)	44 of 100 (Notable)
Hot Springs	United States	Record high minimum temperature	8.9 C (48.0 F)	44 of 100 (Notable)
Santaquin Chlorinator	United States	Record high minimum temperature	6.1 C (43.0 F)	44 of 100 (Notable)
Thermopolis	United States	Record high minimum temperature	5.6 C (42.1 F)	44 of 100 (Notable)
North Lakhimpur	India	Record daily precipitation	31.0 mm (1.2 in)	43 of 100 (Notable)
Aurora Water	United States	Record high minimum temperature	7.8 C (46.0 F)	43 of 100 (Notable)
Sioux Ctr 2 SE	United States	Record high maximum temperature	19.4 C (66.9 F)	43 of 100 (Notable)
Dodgeville Wwtp	United States	Record high maximum temperature	15.6 C (60.1 F)	43 of 100 (Notable)
Waupaca	United States	Record high minimum temperature	3.3 C (37.9 F)	43 of 100 (Notable)
Darwin Rch	United States	Record daily snowfall	24.1 cm (9.5 in)	43 of 100 (Notable)
Albany	Australia	Record low maximum temperature	17.5 C (63.5 F)	42 of 100 (Notable)
Nevada City	United States	Record daily precipitation	77.5 mm (3.1 in)	42 of 100 (Notable)
Vinton	United States	Record daily precipitation	60.7 mm (2.4 in)	42 of 100 (Notable)
New Meadows Rs	United States	Record high minimum temperature	3.3 C (37.9 F)	42 of 100 (Notable)
Jacksonville 2E	United States	Record high minimum temperature	12.2 C (54.0 F)	42 of 100 (Notable)
Anderson 1 N	United States	Record high minimum temperature	11.1 C (52.0 F)	42 of 100 (Notable)
Allerton	United States	Record high minimum temperature	6.1 C (43.0 F)	42 of 100 (Notable)
Yates Ctr	United States	Record high maximum temperature	27.2 C (81.0 F)	42 of 100 (Notable)
Hopkinsville	United States	Record high minimum temperature	13.9 C (57.0 F)	42 of 100 (Notable)
Red Lake Indian Agcy	United States	Record high minimum temperature	0.0 C (32.0 F)	42 of 100 (Notable)
Calhoun City	United States	Record high maximum temperature	27.2 C (81.0 F)	42 of 100 (Notable)
Moab	United States	Record high minimum temperature	10.6 C (51.1 F)	42 of 100 (Notable)
Mauston 1 SE	United States	Record high minimum temperature	3.9 C (39.0 F)	42 of 100 (Notable)
Minocqua	United States	Record high minimum temperature	2.2 C (36.0 F)	42 of 100 (Notable)
Sonora Pass	United States	Record daily precipitation	78.7 mm (3.1 in)	42 of 100 (Notable)
Salmon Gums Res.STN.	Australia	Record daily precipitation	35.8 mm (1.4 in)	41 of 100 (Notable)
Harrison	United States	Record high minimum temperature	13.3 C (55.9 F)	41 of 100 (Notable)
Hollister 2	United States	Record daily precipitation	47.5 mm (1.9 in)	41 of 100 (Notable)

Counts by Type and Timescale

1,828 records

Records set or tied on 21 February 2017 by type: Highest daily maximum 561, Lowest daily maximum 23, Highest daily minimum 758, Lowest daily minimum 73, Heaviest daily rainfall 394, Heaviest daily snowfall 10, Deepest snow cover 9.

Records on 21 February 2017 by type
Record type	Records
Highest daily maximum	561
Lowest daily maximum	23
Highest daily minimum	758
Lowest daily minimum	73
Heaviest daily rainfall	394
Heaviest daily snowfall	10
Deepest snow cover	9

Records on 21 February 2017 by timescale: all-time 0, monthly 87, daily 1,741.

How Much Records Were Beaten By

1,516 broken records

Margins by which the 1,516 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 330.0. Ties are not counted.

Top 20 by Significance

21 February 2017

Top 20 records on 21 February 2017 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 February 2017	Tezpur, IN	daily rain	48.0 mm (1.9 in)	33.0 mm (1.3 in)	107 years	80 of 100 (Exceptional)
21 February 2017	Sierraville Rs, US	daily rain	111.3 mm (4.4 in)	62.0 mm (2.4 in)	90 years	76 of 100 (Major)
21 February 2017	Old Faithful, US	daily rain	25.4 mm (1.0 in)	13.2 mm (0.5 in)	104 years	72 of 100 (Major)
21 February 2017	I Dunno, AU	daily rain	47.2 mm (1.9 in)	41.6 mm (1.6 in)	57 years	66 of 100 (Major)
21 February 2017	Sutcliffe, US	monthly rain	43.7 mm (1.7 in)	18.3 mm (0.7 in)	37 years	62 of 100 (Major)
21 February 2017	Virginia City, US	monthly rain	80.8 mm (3.2 in)	11.7 mm (0.5 in)	123 years	62 of 100 (Major)
21 February 2017	Malad City, US	daily rain	29.0 mm (1.1 in)	17.3 mm (0.7 in)	49 years	61 of 100 (Major)
21 February 2017	Centre Island, AU	daily rain	167.8 mm (6.6 in)	119.8 mm (4.7 in)	30 years	54 of 100 (Notable)
21 February 2017	Fall Rvr Mills, US	daily rain	32.8 mm (1.3 in)	15.5 mm (0.6 in)	87 years	53 of 100 (Notable)
21 February 2017	Old Faithful, US	daily snowfall	22.9 cm (9.0 in)	7.7 cm (3.0 in)	104 years	53 of 100 (Notable)
21 February 2017	Gros Ventre Summit, US	daily rain	30.5 mm (1.2 in)	22.9 mm (0.9 in)	35 years	53 of 100 (Notable)
21 February 2017	Youyang, CN	daily rain	28.2 mm (1.1 in)	21.8 mm (0.9 in)	22 years	52 of 100 (Notable)
21 February 2017	Gyshgy, TM	daily low min	-16.6 C (2.1 F)	6.1 C (11.0 F)	109 years	51 of 100 (Notable)
21 February 2017	Gold Run 4 SW, US	daily rain	104.1 mm (4.1 in)	27.9 mm (1.1 in)	99 years	51 of 100 (Notable)
21 February 2017	Robinson, US	monthly high max	22.8 C (73.0 F)	0.6 C (1.1 F)	106 years	50 of 100 (Notable)
21 February 2017	Boca, US	daily rain	65.5 mm (2.6 in)	37.6 mm (1.5 in)	38 years	49 of 100 (Notable)
21 February 2017	Susanville 2SW, US	daily rain	40.6 mm (1.6 in)	15.2 mm (0.6 in)	81 years	49 of 100 (Notable)
21 February 2017	Trenton Falls, US	daily snow depth	38.1 cm (15.0 in)	33.0 cm (13.0 in)	89 years	49 of 100 (Notable)
21 February 2017	Levan, US	daily high min	7.8 C (46.0 F)	5.6 C (10.1 F)	116 years	49 of 100 (Notable)
21 February 2017	Lake Yellowstone, US	daily snowfall	20.3 cm (8.0 in)	5.1 cm (2.0 in)	90 years	49 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

1795 to 2017

Records set or tied on this calendar date in each year from 1795 to 2017. 2017 had 1,828 records.

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

Records on 02-21 in each year
Year	Records
1795	1
1804	1
1810	3
1814	3
1838	1
1845	1
1846	2
1847	1
1849	2
1850	1
1851	1
1855	1
1856	1
1860	1
1861	1
1862	2
1870	2
1875	2
1876	1
1879	1
1880	2
1881	1
1882	1
1883	1
1884	1
1885	1
1886	3
1888	2
1889	4
1890	2
1891	1
1893	9
1894	2
1895	2
1896	1
1897	5
1898	14
1899	3
1900	1
1901	11
1902	8
1903	13
1904	12
1905	6
1906	51
1907	18
1908	12
1909	28
1910	26
1911	24
1912	26
1913	29
1914	25
1915	52
1916	82
1917	415
1918	80
1919	47
1920	23
1921	96
1922	157
1923	40
1924	84
1925	209
1926	101
1927	191
1928	81
1929	403
1930	1,334
1931	197
1932	159
1933	229
1934	423
1935	300
1936	617
1937	699
1938	181
1939	586
1940	159
1941	224
1942	552
1943	460
1944	313
1945	621
1946	149
1947	458
1948	511
1949	889
1950	492
1951	573
1952	356
1953	1,238
1954	958
1955	857
1956	460
1957	709
1958	993
1959	383
1960	493
1961	831
1962	590
1963	1,022
1964	357
1965	275
1966	574
1967	312
1968	1,177
1969	658
1970	545
1971	787
1972	717
1973	790
1974	634
1975	655
1976	845
1977	1,362
1978	1,382
1979	1,212
1980	837
1981	1,600
1982	1,074
1983	608
1984	518
1985	837
1986	1,341
1987	658
1988	633
1989	866
1990	1,971
1991	680
1992	418
1993	1,540
1994	980
1995	1,267
1996	1,742
1997	1,806
1998	1,100
1999	552
2000	812
2001	583
2002	934
2003	1,253
2004	629
2005	840
2006	801
2007	747
2008	1,131
2009	622
2010	1,156
2011	1,379
2012	540
2013	845
2014	881
2015	1,773
2016	1,151
2017	1,828
2018	2,891
2019	1,330
2020	547
2021	879
2022	734
2023	677
2024	648
2025	1,776
2026	552

Download the Data

Data for records on 2017-02-21: 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 2026-10-13 (13 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-13. Last revised 13 October 2026 (2026-10-13).

Margin	Records
0 to 50	1,504
50 to 100	6
100 to 150	2
150 to 200	2
200 to 250	1
250 to 300	0
300 to 350	1