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Built 2026-10-16 (16 October 2026)

Weather Records on 21 March 1904

17 weather records were set or tied worldwide on 21 March 1904. Highest significance: Harnosand, SE.

Key Facts for 21 March 1904

  • On 21 March 1904, 17 weather records were set or tied at long-record stations worldwide.
  • 2 were record highs and 2 were record lows, counting maximum and minimum temperature.
  • By timescale, 0 were all-time records, 0 monthly and 17 daily.
  • Harnosand set a daily record precipitation of 21.4 mm (0.8 in) on 21 March 1904.
  • Across 157 earlier years (1797 to 2026) the same calendar date averaged 486 records.

Record Map

17 stations
Weather records on 21 March 1904 17 station records on 21 March 1904 are marked on the map, coloured by record type.
17 station records on 21 March 1904 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 21 March 1904: highest significance records shown on the map
StationCountryTypeValueSignificance
HarnosandSwedenRecord daily precipitation21.4 mm (0.8 in)20 of 100 (Routine)
OrebroSwedenRecord daily precipitation16.3 mm (0.6 in)20 of 100 (Routine)
PutbusGermanyRecord daily precipitation11.8 mm (0.5 in)20 of 100 (Routine)
KarlshamnSwedenRecord daily precipitation7.9 mm (0.31 in)20 of 100 (Routine)
UmeaSwedenRecord daily precipitation17.9 mm (0.7 in)20 of 100 (Routine)
SandvigDenmarkRecord daily precipitation5.7 mm (0.22 in)20 of 100 (Routine)
Vasteras-HassloSwedenRecord daily precipitation10.1 mm (0.4 in)20 of 100 (Routine)
StockholmSwedenRecord daily precipitation3.8 mm (0.15 in)17 of 100 (Routine)
Fort SillUnited StatesRecord high minimum temperature16.1 C (61.0 F)16 of 100 (Routine)
Koebenhavn: Landbohojskolen-1DenmarkRecord daily precipitation7.8 mm (0.31 in)15 of 100 (Routine)
Alice Springs Post OfficeAustraliaRecord daily precipitation3.8 mm (0.15 in)14 of 100 (Routine)
LundSwedenRecord daily precipitation8.7 mm (0.34 in)13 of 100 (Routine)
Dubuque RiverUnited StatesRecord daily precipitation23.9 mm (0.9 in)11 of 100 (Routine)
Portland Rfc CityUnited StatesRecord low maximum temperature5.0 C (41.0 F)6 of 100 (Routine)
HambantotaSri LankaRecord low minimum temperature20.7 C (69.3 F)1 of 100 (Routine)
Kirchdorf/PoelGermanyRecord daily precipitation3.4 mm (0.13 in)1 of 100 (Routine)
Jacksonville Wb CityUnited StatesRecord high maximum temperature30.0 C (86.0 F)1 of 100 (Routine)

Counts by Type and Timescale

17 records
Records on 21 March 1904 by type Records set or tied on 21 March 1904 by type: Highest daily maximum 1, Lowest daily maximum 1, Highest daily minimum 1, Lowest daily minimum 1, Heaviest daily rainfall 13. 051015Highest daily maximum: 1Lowest daily maximum: 1Highest daily minimum: 1Lowest daily minimum: 1Heaviest daily rainfall: 13Heaviest daily snowfall: 0Deepest snow cover: 0Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 21 March 1904 by type: Highest daily maximum 1, Lowest daily maximum 1, Highest daily minimum 1, Lowest daily minimum 1, Heaviest daily rainfall 13.
Records on 21 March 1904 by type
Record typeRecords
Highest daily maximum1
Lowest daily maximum1
Highest daily minimum1
Lowest daily minimum1
Heaviest daily rainfall13
Heaviest daily snowfall0
Deepest snow cover0
Records on 21 March 1904 by timescale Records on 21 March 1904 by timescale: all-time 0, monthly 0, daily 17. 05101520all-time: 0monthly: 0daily: 17all-timemonthlydaily
Records on 21 March 1904 by timescale: all-time 0, monthly 0, daily 17.
Records on 21 March 1904 by timescale
TimescaleRecords
all-time0
monthly0
daily17

How Much Records Were Beaten By

14 broken records
Histogram of margins by which records were beaten on 21 March 1904 Margins by which the 14 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 18.0. Ties are not counted. 02460 to 3: 23 to 5: 65 to 8: 38 to 10: 110 to 13: 113 to 15: 015 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 14 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 18.0. Ties are not counted.
Histogram of margins by which records were beaten on 21 March 1904
MarginRecords
0 to 32
3 to 56
5 to 83
8 to 101
10 to 131
13 to 150
15 to 180
18 to 201

Top 20 by Significance

21 March 1904
Top 17 records on 21 March 1904 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
21 March 1904Harnosand, SEdaily rain21.4 mm (0.8 in)18.0 mm (0.7 in)5 years20 of 100 (Routine)
21 March 1904Orebro, SEdaily rain16.3 mm (0.6 in)12.0 mm (0.5 in)1 year20 of 100 (Routine)
21 March 1904Putbus, DEdaily rain11.8 mm (0.5 in)5.6 mm (0.22 in)27 years20 of 100 (Routine)
21 March 1904Karlshamn, SEdaily rain7.9 mm (0.31 in)3.9 mm (0.15 in)42 years20 of 100 (Routine)
21 March 1904Umea, SEdaily rain17.9 mm (0.7 in)8.5 mm (0.33 in)21 years20 of 100 (Routine)
21 March 1904Sandvig, DKdaily rain5.7 mm (0.22 in)3.3 mm (0.13 in)26 years20 of 100 (Routine)
21 March 1904Vasteras-Hasslo, SEdaily rain10.1 mm (0.4 in)5.3 mm (0.21 in)2 years20 of 100 (Routine)
21 March 1904Stockholm, SEdaily rain3.8 mm (0.15 in)0.1 mm (0.00 in)43 years17 of 100 (Routine)
21 March 1904Fort Sill, USdaily high min16.1 C (61.0 F)5.0 C (9.0 F)13 years16 of 100 (Routine)
21 March 1904Koebenhavn: Landbohojskolen-1, DKdaily rain7.8 mm (0.31 in)4.0 mm (0.16 in)2 years15 of 100 (Routine)
21 March 1904Alice Springs Post Office, AUdaily rain3.8 mm (0.15 in)3.5 mm (0.14 in)26 years14 of 100 (Routine)
21 March 1904Lund, SEdaily rain8.7 mm (0.34 in)4.0 mm (0.16 in)2 years13 of 100 (Routine)
21 March 1904Dubuque River, USdaily rain23.9 mm (0.9 in)2.6 mm (0.10 in)17 years11 of 100 (Routine)
21 March 1904Portland Rfc City, USdaily low max5.0 C (41.0 F)0.6 C (1.1 F)8 years6 of 100 (Routine)
21 March 1904Hambantota, LKdaily low min (Tie)20.7 C (69.3 F)tie5 years1 of 100 (Routine)
21 March 1904Kirchdorf/Poel, DEdaily rain (Tie)3.4 mm (0.13 in)tie5 years1 of 100 (Routine)
21 March 1904Jacksonville Wb City, USdaily high max (Tie)30.0 C (86.0 F)tie9 years1 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 1904
Records on 03-21 in each year Records set or tied on this calendar date in each year from 1797 to 1904. 1904 had 17 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: 7282014: 6402015: 5682016: 5532017: 1,1172018: 8092019: 6492020: 4452021: 4892022: 6152023: 8152024: 4322025: 8452026: 2,6151797188119011917193319491965198119972013
Records set or tied on this calendar date in each year from 1797 to 1904. 1904 had 17 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
2013728
2014640
2015568
2016553
20171,117
2018809
2019649
2020445
2021489
2022615
2023815
2024432
2025845
20262,615

Download the Data

  • Data for records on 1904-03-21: 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 (2026-10-15).