Weather Records on 21 February 1997

1,806 weather records were set or tied worldwide on 21 February 1997. Highest significance: Grenola 1 N, US.

Key Facts for 21 February 1997

On 21 February 1997, 1,806 weather records were set or tied at long-record stations worldwide.
826 were record highs and 114 were record lows, counting maximum and minimum temperature.
By timescale, 4 were all-time records, 305 monthly and 1,497 daily.
Grenola 1 N set a monthly record daily precipitation of 85.1 mm (3.4 in) on 21 February 1997.
Across 164 earlier years (1795 to 2026) the same calendar date averaged 493 records.

Record Map

1,806 stations

1,806 station records on 21 February 1997 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 February 1997: highest significance records shown on the map
Station	Country	Type	Value	Significance
Grenola 1 N	United States	Record daily precipitation	85.1 mm (3.4 in)	89 of 100 (Exceptional)
Sedalia Wtp	United States	Record daily precipitation	152.4 mm (6.0 in)	89 of 100 (Exceptional)
Canon City	United States	Record snow depth	48.3 cm (19.0 in)	88 of 100 (Exceptional)
Aurora Water	United States	Record daily precipitation	82.8 mm (3.3 in)	88 of 100 (Exceptional)
Yates Ctr	United States	Record daily precipitation	84.1 mm (3.3 in)	85 of 100 (Exceptional)
Macomb	United States	Record daily precipitation	85.1 mm (3.4 in)	84 of 100 (Exceptional)
Fredonia	United States	Record daily precipitation	108.5 mm (4.3 in)	84 of 100 (Exceptional)
Howard 2SE	United States	Record daily precipitation	116.8 mm (4.6 in)	84 of 100 (Exceptional)
Elgin Water	United States	Record daily precipitation	80.5 mm (3.2 in)	81 of 100 (Exceptional)
Canon City	United States	Record daily snowfall	57.2 cm (22.5 in)	80 of 100 (Exceptional)
Fall Rvr Lake	United States	Record daily precipitation	86.6 mm (3.4 in)	80 of 100 (Exceptional)
Saginaw Mbs Intl AP	United States	Record daily precipitation	89.2 mm (3.5 in)	80 of 100 (Exceptional)
Fergus Falls	United States	Record snow depth	132.1 cm (52.0 in)	79 of 100 (Major)
Minonk	United States	Record daily precipitation	68.6 mm (2.7 in)	75 of 100 (Major)
Sigourney	United States	Record daily precipitation	38.4 mm (1.5 in)	75 of 100 (Major)
Carrollton	United States	Record daily precipitation	62.7 mm (2.5 in)	75 of 100 (Major)
Warrensburg 4NW	United States	Record daily precipitation	83.3 mm (3.3 in)	75 of 100 (Major)
Walnut	United States	Record daily precipitation	61.7 mm (2.4 in)	74 of 100 (Major)
Waukegan	United States	Record daily precipitation	63.5 mm (2.5 in)	74 of 100 (Major)
Rochester	United States	Record daily precipitation	58.4 mm (2.3 in)	74 of 100 (Major)
Marshall	United States	Record daily precipitation	61.5 mm (2.4 in)	74 of 100 (Major)
Chicago Midway AP 3SW	United States	Record daily precipitation	82.6 mm (3.3 in)	73 of 100 (Major)
Centralia	United States	Record daily precipitation	141.5 mm (5.6 in)	73 of 100 (Major)
Greenville 2 NNE	United States	Record daily precipitation	72.1 mm (2.8 in)	72 of 100 (Major)
Hillsdale	United States	Record daily precipitation	46.0 mm (1.8 in)	72 of 100 (Major)
Palmyra	United States	Record daily precipitation	83.1 mm (3.3 in)	72 of 100 (Major)
Erick	United States	Record daily precipitation	44.2 mm (1.7 in)	72 of 100 (Major)
Marseilles Lock/Dam	United States	Record daily precipitation	63.5 mm (2.5 in)	71 of 100 (Major)
Keokuk L&D 19	United States	Record daily precipitation	81.3 mm (3.2 in)	71 of 100 (Major)
Lamoni	United States	Record daily precipitation	58.7 mm (2.3 in)	71 of 100 (Major)
Eureka 1E	United States	Record daily precipitation	72.4 mm (2.9 in)	71 of 100 (Major)
Gladstone L/D 18	United States	Record daily precipitation	50.8 mm (2.0 in)	70 of 100 (Major)
Atchison	United States	Record daily precipitation	43.2 mm (1.7 in)	70 of 100 (Major)
Watonga	United States	Record daily precipitation	74.2 mm (2.9 in)	70 of 100 (Major)
Racine Wwtp	United States	Record daily precipitation	39.9 mm (1.6 in)	69 of 100 (Major)
Morris 1NW	United States	Record daily precipitation	81.3 mm (3.2 in)	68 of 100 (Major)
Morrison	United States	Record daily precipitation	42.4 mm (1.7 in)	68 of 100 (Major)
Ottawa 4SW	United States	Record daily precipitation	72.4 mm (2.9 in)	68 of 100 (Major)
Quincy Dam 21	United States	Record daily precipitation	83.1 mm (3.3 in)	68 of 100 (Major)
Concordia	United States	Record daily precipitation	78.0 mm (3.1 in)	68 of 100 (Major)
Lamar 7N	United States	Record daily precipitation	66.0 mm (2.6 in)	68 of 100 (Major)
Bentley	United States	Record daily precipitation	91.2 mm (3.6 in)	67 of 100 (Major)
Joliet Brandon Road Lock/Dam	United States	Record daily precipitation	69.9 mm (2.8 in)	67 of 100 (Major)
Alta Vista	United States	Record daily precipitation	71.1 mm (2.8 in)	67 of 100 (Major)
Newkirk 5NE	United States	Record daily precipitation	94.7 mm (3.7 in)	67 of 100 (Major)
Channahon Dresden Isl Dam	United States	Record daily precipitation	67.8 mm (2.7 in)	66 of 100 (Major)
Wheaton 3 SE	United States	Record daily precipitation	72.4 mm (2.9 in)	66 of 100 (Major)
Virgil	United States	Record daily precipitation	66.0 mm (2.6 in)	66 of 100 (Major)
Avon	United States	Record daily precipitation	84.3 mm (3.3 in)	65 of 100 (Major)
Ottawa	United States	Record daily precipitation	72.6 mm (2.9 in)	65 of 100 (Major)
Mt Pleasant 1 SW	United States	Record daily precipitation	44.5 mm (1.8 in)	64 of 100 (Major)
Billings	United States	Record daily precipitation	81.3 mm (3.2 in)	64 of 100 (Major)
Ft Scott	United States	Record daily precipitation	79.5 mm (3.1 in)	63 of 100 (Major)
Moran	United States	Record daily precipitation	113.3 mm (4.5 in)	63 of 100 (Major)
Sedgwick	United States	Record daily precipitation	41.7 mm (1.6 in)	63 of 100 (Major)
Hastings	United States	Record daily precipitation	45.0 mm (1.8 in)	63 of 100 (Major)
Brunswick	United States	Record daily precipitation	64.8 mm (2.6 in)	63 of 100 (Major)
Spickard 7 W	United States	Record daily precipitation	56.6 mm (2.2 in)	63 of 100 (Major)
Columbus Junction	United States	Record daily precipitation	59.7 mm (2.4 in)	62 of 100 (Major)
Independence	United States	Record daily precipitation	86.6 mm (3.4 in)	62 of 100 (Major)

Counts by Type and Timescale

1,806 records

Records set or tied on 21 February 1997 by type: Highest daily maximum 344, Lowest daily maximum 29, Highest daily minimum 482, Lowest daily minimum 85, Heaviest daily rainfall 783, Heaviest daily snowfall 41, Deepest snow cover 42.

Records on 21 February 1997 by type
Record type	Records
Highest daily maximum	344
Lowest daily maximum	29
Highest daily minimum	482
Lowest daily minimum	85
Heaviest daily rainfall	783
Heaviest daily snowfall	41
Deepest snow cover	42

Records on 21 February 1997 by timescale: all-time 4, monthly 305, daily 1,497.

How Much Records Were Beaten By

1,546 broken records

Margins by which the 1,546 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 762.0. Ties are not counted.

Top 20 by Significance

21 February 1997

Top 20 records on 21 February 1997 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 February 1997	Grenola 1 N, US	monthly rain	85.1 mm (3.4 in)	34.3 mm (1.4 in)	99 years	89 of 100 (Exceptional)
21 February 1997	Sedalia Wtp, US	monthly rain	152.4 mm (6.0 in)	76.2 mm (3.0 in)	99 years	89 of 100 (Exceptional)
21 February 1997	Canon City, US	monthly snow depth	48.3 cm (19.0 in)	22.9 cm (9.0 in)	95 years	88 of 100 (Exceptional)
21 February 1997	Aurora Water, US	monthly rain	82.8 mm (3.3 in)	40.6 mm (1.6 in)	94 years	88 of 100 (Exceptional)
21 February 1997	Yates Ctr, US	monthly rain	84.1 mm (3.3 in)	41.2 mm (1.6 in)	86 years	85 of 100 (Exceptional)
21 February 1997	Macomb, US	monthly rain	85.1 mm (3.4 in)	31.3 mm (1.2 in)	84 years	84 of 100 (Exceptional)
21 February 1997	Fredonia, US	monthly rain	108.5 mm (4.3 in)	44.2 mm (1.7 in)	86 years	84 of 100 (Exceptional)
21 February 1997	Howard 2SE, US	monthly rain	116.8 mm (4.6 in)	65.0 mm (2.6 in)	86 years	84 of 100 (Exceptional)
21 February 1997	Elgin Water, US	monthly rain	80.5 mm (3.2 in)	30.7 mm (1.2 in)	72 years	81 of 100 (Exceptional)
21 February 1997	Canon City, US	all-time snowfall	57.2 cm (22.5 in)	11.5 cm (4.5 in)	90 years	80 of 100 (Exceptional)
21 February 1997	Fall Rvr Lake, US	monthly rain	86.6 mm (3.4 in)	29.4 mm (1.2 in)	92 years	80 of 100 (Exceptional)
21 February 1997	Saginaw Mbs Intl AP, US	monthly rain	89.2 mm (3.5 in)	49.6 mm (2.0 in)	66 years	80 of 100 (Exceptional)
21 February 1997	Fergus Falls, US	daily snow depth	132.1 cm (52.0 in)	76.2 cm (30.0 in)	99 years	79 of 100 (Major)
21 February 1997	Minonk, US	daily rain	68.6 mm (2.7 in)	34.8 mm (1.4 in)	84 years	75 of 100 (Major)
21 February 1997	Sigourney, US	daily rain	38.4 mm (1.5 in)	23.2 mm (0.9 in)	84 years	75 of 100 (Major)
21 February 1997	Carrollton, US	monthly rain	62.7 mm (2.5 in)	19.5 mm (0.8 in)	96 years	75 of 100 (Major)
21 February 1997	Warrensburg 4NW, US	daily rain	83.3 mm (3.3 in)	56.4 mm (2.2 in)	84 years	75 of 100 (Major)
21 February 1997	Walnut, US	monthly rain	61.7 mm (2.4 in)	22.1 mm (0.9 in)	70 years	74 of 100 (Major)
21 February 1997	Waukegan, US	monthly rain	63.5 mm (2.5 in)	26.4 mm (1.0 in)	58 years	74 of 100 (Major)
21 February 1997	Rochester, US	daily rain	58.4 mm (2.3 in)	33.0 mm (1.3 in)	85 years	74 of 100 (Major)

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 1997

Records set or tied on this calendar date in each year from 1795 to 1997. 1997 had 1,806 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 1997-02-21: 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 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Margin	Records
0 to 100	1,526
100 to 200	13
200 to 300	2
300 to 400	2
400 to 500	1
500 to 600	1
600 to 700	0
700 to 800	1