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Built 2026-10-16 (16 October 2026)

Weather Records on 21 March 1915

27 weather records were set or tied worldwide on 21 March 1915. Highest significance: San Diego Wbo, US.

Key Facts for 21 March 1915

  • On 21 March 1915, 27 weather records were set or tied at long-record stations worldwide.
  • 11 were record highs and 8 were record lows, counting maximum and minimum temperature.
  • By timescale, 0 were all-time records, 2 monthly and 25 daily.
  • San Diego Wbo set a daily record high maximum temperature of 28.9 C (84.0 F) on 21 March 1915.
  • Across 157 earlier years (1797 to 2026) the same calendar date averaged 486 records.

Record Map

27 stations
Weather records on 21 March 1915 27 station records on 21 March 1915 are marked on the map, coloured by record type.
27 station records on 21 March 1915 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 21 March 1915: highest significance records shown on the map
StationCountryTypeValueSignificance
San Diego WboUnited StatesRecord high maximum temperature28.9 C (84.0 F)26 of 100 (Routine)
SotchiRussiaRecord daily precipitation56.0 mm (2.2 in)22 of 100 (Routine)
Portland Rfc CityUnited StatesRecord high minimum temperature11.1 C (52.0 F)22 of 100 (Routine)
KazanRussiaRecord daily precipitation11.4 mm (0.4 in)20 of 100 (Routine)
KirovRussiaRecord daily precipitation12.0 mm (0.5 in)20 of 100 (Routine)
Tot-MaRussiaRecord daily precipitation11.5 mm (0.5 in)20 of 100 (Routine)
Olympia Priest Pt ParkUnited StatesRecord high maximum temperature25.0 C (77.0 F)19 of 100 (Routine)
St. PetersburgRussiaRecord low maximum temperature-7.7 C (18.1 F)18 of 100 (Routine)
Santa FeUnited StatesRecord low minimum temperature-10.0 C (14.0 F)16 of 100 (Routine)
Oran-Hopital MilitaireAlgeriaRecord high maximum temperature25.0 C (77.0 F)14 of 100 (Routine)
Niznij NovgorodRussiaRecord daily precipitation7.4 mm (0.29 in)13 of 100 (Routine)
Winnemucca APUnited StatesRecord high maximum temperature21.7 C (71.1 F)13 of 100 (Routine)
Berlin-Dahlem (Lfag)GermanyRecord snow depth4.0 cm (1.6 in)12 of 100 (Routine)
Little Rock St CapitolUnited StatesRecord low minimum temperature-2.8 C (27.0 F)12 of 100 (Routine)
Nuwara EliyaSri LankaRecord high minimum temperature14.0 C (57.2 F)11 of 100 (Routine)
InnsbruckAustriaRecord low minimum temperature-5.3 C (22.5 F)10 of 100 (Routine)
Little Rock St CapitolUnited StatesRecord low maximum temperature2.2 C (36.0 F)10 of 100 (Routine)
Houston Wb CityUnited StatesRecord low minimum temperature2.8 C (37.0 F)9 of 100 (Routine)
Sacramento 5 ESEUnited StatesRecord high maximum temperature26.7 C (80.1 F)9 of 100 (Routine)
PermRussiaRecord daily precipitation5.0 mm (0.20 in)8 of 100 (Routine)
Houston Wb CityUnited StatesRecord low maximum temperature11.1 C (52.0 F)6 of 100 (Routine)
Portland Rfc CityUnited StatesRecord high maximum temperature26.1 C (79.0 F)5 of 100 (Routine)
Oktjabrskij-GorodokRussiaRecord daily precipitation6.3 mm (0.25 in)4 of 100 (Routine)
AstrakanRussiaRecord high minimum temperature5.7 C (42.3 F)4 of 100 (Routine)
Oran-Hopital MilitaireAlgeriaRecord high minimum temperature14.0 C (57.2 F)1 of 100 (Routine)
Sidi-Bel-AbbesAlgeriaRecord high maximum temperature27.0 C (80.6 F)1 of 100 (Routine)
Chattanooga Wb CityUnited StatesRecord low maximum temperature5.6 C (42.1 F)0 of 100 (Routine)

Counts by Type and Timescale

27 records
Records on 21 March 1915 by type Records set or tied on 21 March 1915 by type: Highest daily maximum 7, Lowest daily maximum 4, Highest daily minimum 4, Lowest daily minimum 4, Heaviest daily rainfall 7, Deepest snow cover 1. 02468Highest daily maximum: 7Lowest daily maximum: 4Highest daily minimum: 4Lowest daily minimum: 4Heaviest daily rainfall: 7Heaviest daily snowfall: 0Deepest snow cover: 1Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 21 March 1915 by type: Highest daily maximum 7, Lowest daily maximum 4, Highest daily minimum 4, Lowest daily minimum 4, Heaviest daily rainfall 7, Deepest snow cover 1.
Records on 21 March 1915 by type
Record typeRecords
Highest daily maximum7
Lowest daily maximum4
Highest daily minimum4
Lowest daily minimum4
Heaviest daily rainfall7
Heaviest daily snowfall0
Deepest snow cover1
Records on 21 March 1915 by timescale Records on 21 March 1915 by timescale: all-time 0, monthly 2, daily 25. 0102030all-time: 0monthly: 2daily: 25all-timemonthlydaily
Records on 21 March 1915 by timescale: all-time 0, monthly 2, daily 25.
Records on 21 March 1915 by timescale
TimescaleRecords
all-time0
monthly2
daily25

How Much Records Were Beaten By

23 broken records
Histogram of margins by which records were beaten on 21 March 1915 Margins by which the 23 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 20.0. Ties are not counted. 0510150 to 3: 153 to 5: 35 to 8: 28 to 10: 110 to 13: 013 to 15: 115 to 18: 018 to 20: 10 to 33 to 55 to 88 to 1010 to 1313 to 1515 to 1818 to 20
Margins by which the 23 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 20.0. Ties are not counted.
Histogram of margins by which records were beaten on 21 March 1915
MarginRecords
0 to 315
3 to 53
5 to 82
8 to 101
10 to 130
13 to 151
15 to 180
18 to 201

Top 20 by Significance

21 March 1915
Top 20 records on 21 March 1915 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
21 March 1915San Diego Wbo, USdaily high max28.9 C (84.0 F)4.5 C (8.1 F)23 years26 of 100 (Routine)
21 March 1915Sotchi, RUdaily rain56.0 mm (2.2 in)14.0 mm (0.6 in)27 years22 of 100 (Routine)
21 March 1915Portland Rfc City, USdaily high min11.1 C (52.0 F)2.2 C (4.0 F)37 years22 of 100 (Routine)
21 March 1915Kazan, RUdaily rain11.4 mm (0.4 in)8.0 mm (0.31 in)5 years20 of 100 (Routine)
21 March 1915Kirov, RUdaily rain12.0 mm (0.5 in)6.6 mm (0.26 in)13 years20 of 100 (Routine)
21 March 1915Tot-Ma, RUdaily rain11.5 mm (0.5 in)3.9 mm (0.15 in)12 years20 of 100 (Routine)
21 March 1915Olympia Priest Pt Park, USmonthly high max25.0 C (77.0 F)1.1 C (2.0 F)15 years19 of 100 (Routine)
21 March 1915St. Petersburg, RUdaily low max-7.7 C (18.1 F)2.2 C (4.0 F)33 years18 of 100 (Routine)
21 March 1915Santa Fe, USdaily low min-10.0 C (14.0 F)1.1 C (2.0 F)34 years16 of 100 (Routine)
21 March 1915Oran-Hopital Militaire, DZdaily high max25.0 C (77.0 F)1.0 C (1.8 F)17 years14 of 100 (Routine)
21 March 1915Niznij Novgorod, RUdaily rain7.4 mm (0.29 in)3.0 mm (0.12 in)8 years13 of 100 (Routine)
21 March 1915Winnemucca AP, USdaily high max21.7 C (71.1 F)1.1 C (2.0 F)31 years13 of 100 (Routine)
21 March 1915Berlin-Dahlem (Lfag), DEdaily snow depth4.0 cm (1.6 in)2.0 cm (0.8 in)15 years12 of 100 (Routine)
21 March 1915Little Rock St Capitol, USdaily low min-2.8 C (27.0 F)1.1 C (2.0 F)26 years12 of 100 (Routine)
21 March 1915Nuwara Eliya, LKdaily high min14.0 C (57.2 F)0.1 C (0.2 F)24 years11 of 100 (Routine)
21 March 1915Innsbruck, ATdaily low min-5.3 C (22.5 F)1.4 C (2.5 F)15 years10 of 100 (Routine)
21 March 1915Little Rock St Capitol, USdaily low max2.2 C (36.0 F)5.0 C (9.0 F)0 years10 of 100 (Routine)
21 March 1915Houston Wb City, USdaily low min2.8 C (37.0 F)1.6 C (2.9 F)13 years9 of 100 (Routine)
21 March 1915Sacramento 5 ESE, USdaily high max26.7 C (80.1 F)1.1 C (2.0 F)14 years9 of 100 (Routine)
21 March 1915Perm, RUdaily rain5.0 mm (0.20 in)0.5 mm (0.02 in)13 years8 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

1797 to 1915
Records on 03-21 in each year Records set or tied on this calendar date in each year from 1797 to 1915. 1915 had 27 records. 01,0002,0003,0001797: 21805: 11806: 11822: 11830: 11836: 11837: 11845: 11846: 11850: 11852: 21857: 11865: 71874: 11877: 11880: 11881: 11883: 21884: 11885: 51886: 21888: 11890: 31892: 11893: 11894: 11895: 11896: 21897: 21898: 31899: 41900: 41901: 91902: 181903: 231904: 171905: 61906: 31907: 141908: 31909: 111910: 101911: 101912: 361913: 971914: 711915: 271916: 441917: 431918: 431919: 291920: 901921: 961922: 501923: 721924: 961925: 1411926: 2821927: 1791928: 2931929: 1041930: 991931: 6381932: 3051933: 2351934: 1141935: 6751936: 2251937: 1721938: 7831939: 2801940: 3661941: 3111942: 3301943: 2171944: 5561945: 2941946: 5701947: 1921948: 9481949: 3301950: 3981951: 7791952: 6891953: 3421954: 2111955: 1,1241956: 6861957: 3731958: 6191959: 2301960: 8921961: 2681962: 5481963: 2981964: 3331965: 1,9611966: 4641967: 4871968: 7981969: 2191970: 6121971: 3581972: 5191973: 3851974: 1,0971975: 7511976: 7101977: 3761978: 8381979: 6561980: 7751981: 6761982: 8501983: 1,6731984: 8351985: 5031986: 1,1701987: 9481988: 1,1551989: 1,3961990: 1,3801991: 1,4461992: 8771993: 6871994: 6841995: 1,1411996: 1,1191997: 1,6701998: 9351999: 1,0442000: 8022001: 1,3422002: 1,5932003: 1,0732004: 1,5112005: 6492006: 1,4172007: 1,2202008: 7342009: 5582010: 1,1342011: 1,4512012: 2,8542013: 7272014: 6392015: 5682016: 5532017: 1,1172018: 8092019: 6492020: 4452021: 4892022: 6152023: 8152024: 4322025: 8452026: 2,6141797188119011917193319491965198119972013
Records set or tied on this calendar date in each year from 1797 to 1915. 1915 had 27 records.
Counts for years before the ledger starts come from the same station rules.
Records on 03-21 in each year
YearRecords
17972
18051
18061
18221
18301
18361
18371
18451
18461
18501
18522
18571
18657
18741
18771
18801
18811
18832
18841
18855
18862
18881
18903
18921
18931
18941
18951
18962
18972
18983
18994
19004
19019
190218
190323
190417
19056
19063
190714
19083
190911
191010
191110
191236
191397
191471
191527
191644
191743
191843
191929
192090
192196
192250
192372
192496
1925141
1926282
1927179
1928293
1929104
193099
1931638
1932305
1933235
1934114
1935675
1936225
1937172
1938783
1939280
1940366
1941311
1942330
1943217
1944556
1945294
1946570
1947192
1948948
1949330
1950398
1951779
1952689
1953342
1954211
19551,124
1956686
1957373
1958619
1959230
1960892
1961268
1962548
1963298
1964333
19651,961
1966464
1967487
1968798
1969219
1970612
1971358
1972519
1973385
19741,097
1975751
1976710
1977376
1978838
1979656
1980775
1981676
1982850
19831,673
1984835
1985503
19861,170
1987948
19881,155
19891,396
19901,380
19911,446
1992877
1993687
1994684
19951,141
19961,119
19971,670
1998935
19991,044
2000802
20011,342
20021,593
20031,073
20041,511
2005649
20061,417
20071,220
2008734
2009558
20101,134
20111,451
20122,854
2013727
2014639
2015568
2016553
20171,117
2018809
2019649
2020445
2021489
2022615
2023815
2024432
2025845
20262,614

Download the Data

  • Data for records on 1915-03-21: 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 2026-10-14 (14 October 2026). Records are computed by this site and are not official.

Data as of . Last revised (2026-10-12).