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Built 2026-10-16 (16 October 2026)

Weather Records on 21 April 1910

33 weather records were set or tied worldwide on 21 April 1910. Highest significance: Saint John, CA.

Key Facts for 21 April 1910

  • On 21 April 1910, 33 weather records were set or tied at long-record stations worldwide.
  • 9 were record highs and 1 were record lows, counting maximum and minimum temperature.
  • By timescale, 0 were all-time records, 0 monthly and 33 daily.
  • Saint John set a daily record precipitation of 39.6 mm (1.6 in) on 21 April 1910.
  • Across 158 earlier years (1793 to 2025) the same calendar date averaged 462 records.

Record Map

33 stations
Weather records on 21 April 1910 33 station records on 21 April 1910 are marked on the map, coloured by record type.
33 station records on 21 April 1910 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 21 April 1910: highest significance records shown on the map
StationCountryTypeValueSignificance
Saint JohnCanadaRecord daily precipitation39.6 mm (1.6 in)37 of 100 (Notable)
Fredericton UnbCanadaRecord high minimum temperature11.1 C (52.0 F)30 of 100 (Routine)
Fredericton UnbCanadaRecord daily precipitation35.6 mm (1.4 in)28 of 100 (Routine)
Anticosti SW PointCanadaRecord daily precipitation33.0 mm (1.3 in)22 of 100 (Routine)
MettenGermanyRecord daily precipitation29.0 mm (1.1 in)21 of 100 (Routine)
NurnbergGermanyRecord daily precipitation12.2 mm (0.5 in)20 of 100 (Routine)
ChathamCanadaRecord daily precipitation24.6 mm (1.0 in)20 of 100 (Routine)
Graaff ReinetSouth AfricaRecord daily precipitation8.6 mm (0.34 in)20 of 100 (Routine)
RegensburgGermanyRecord daily precipitation9.3 mm (0.37 in)20 of 100 (Routine)
HalifaxCanadaRecord daily precipitation35.6 mm (1.4 in)20 of 100 (Routine)
TruroCanadaRecord daily precipitation26.4 mm (1.0 in)20 of 100 (Routine)
YarmouthCanadaRecord daily precipitation30.0 mm (1.2 in)20 of 100 (Routine)
Olands Norra UddeSwedenRecord daily precipitation8.0 mm (0.31 in)20 of 100 (Routine)
ArnsbergGermanyRecord daily precipitation14.4 mm (0.6 in)19 of 100 (Routine)
JamestownSouth AfricaRecord daily precipitation12.7 mm (0.5 in)17 of 100 (Routine)
CradockSouth AfricaRecord daily precipitation6.4 mm (0.25 in)16 of 100 (Routine)
Skara 1SwedenRecord daily precipitation5.7 mm (0.22 in)16 of 100 (Routine)
ChathamCanadaRecord high minimum temperature6.1 C (43.0 F)15 of 100 (Routine)
Heinersreuth-VollhofGermanyRecord daily precipitation9.4 mm (0.37 in)15 of 100 (Routine)
Bamberg (Sternwarte)GermanyRecord daily precipitation13.0 mm (0.5 in)14 of 100 (Routine)
Melbourne Regional OfficeAustraliaRecord high minimum temperature15.3 C (59.5 F)12 of 100 (Routine)
HalifaxCanadaRecord high minimum temperature6.1 C (43.0 F)12 of 100 (Routine)
Passau-MaierhofGermanyRecord daily precipitation18.6 mm (0.7 in)12 of 100 (Routine)
FraserburgSouth AfricaRecord daily precipitation2.5 mm (0.10 in)12 of 100 (Routine)
SterlingSouth AfricaRecord daily precipitation7.6 mm (0.30 in)12 of 100 (Routine)
GrahamstownSouth AfricaRecord daily precipitation7.9 mm (0.31 in)11 of 100 (Routine)
MilanItalyRecord high maximum temperature27.3 C (81.1 F)10 of 100 (Routine)
Dublin Phoenix ParkIrelandRecord high minimum temperature10.2 C (50.4 F)9 of 100 (Routine)
Stellenbosch (Tnk)South AfricaRecord daily precipitation24.9 mm (1.0 in)9 of 100 (Routine)
TruroCanadaRecord high minimum temperature10.6 C (51.1 F)6 of 100 (Routine)
Anticosti SW PointCanadaRecord high maximum temperature10.6 C (51.1 F)1 of 100 (Routine)
CharlottetownCanadaRecord high minimum temperature8.9 C (48.0 F)1 of 100 (Routine)
Montgomery Wb CityUnited StatesRecord low minimum temperature5.6 C (42.1 F)1 of 100 (Routine)

Counts by Type and Timescale

33 records
Records on 21 April 1910 by type Records set or tied on 21 April 1910 by type: Highest daily maximum 2, Highest daily minimum 7, Lowest daily minimum 1, Heaviest daily rainfall 23. 0102030Highest daily maximum: 2Lowest daily maximum: 0Highest daily minimum: 7Lowest daily minimum: 1Heaviest daily rainfall: 23Heaviest daily snowfall: 0Deepest snow cover: 0Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 21 April 1910 by type: Highest daily maximum 2, Highest daily minimum 7, Lowest daily minimum 1, Heaviest daily rainfall 23.
Records on 21 April 1910 by type
Record typeRecords
Highest daily maximum2
Lowest daily maximum0
Highest daily minimum7
Lowest daily minimum1
Heaviest daily rainfall23
Heaviest daily snowfall0
Deepest snow cover0
Records on 21 April 1910 by timescale Records on 21 April 1910 by timescale: all-time 0, monthly 0, daily 33. 010203040all-time: 0monthly: 0daily: 33all-timemonthlydaily
Records on 21 April 1910 by timescale: all-time 0, monthly 0, daily 33.
Records on 21 April 1910 by timescale
TimescaleRecords
all-time0
monthly0
daily33

How Much Records Were Beaten By

30 broken records
Histogram of margins by which records were beaten on 21 April 1910 Margins by which the 30 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 20.1. Ties are not counted. 051015200 to 5: 185 to 10: 810 to 15: 215 to 20: 120 to 25: 10 to 55 to 1010 to 1515 to 2020 to 25
Margins by which the 30 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 20.1. Ties are not counted.
Histogram of margins by which records were beaten on 21 April 1910
MarginRecords
0 to 518
5 to 108
10 to 152
15 to 201
20 to 251

Top 20 by Significance

21 April 1910
Top 20 records on 21 April 1910 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
21 April 1910Saint John, CAdaily rain39.6 mm (1.6 in)19.8 mm (0.8 in)31 years37 of 100 (Notable)
21 April 1910Fredericton Unb, CAdaily high min11.1 C (52.0 F)7.2 C (13.0 F)31 years30 of 100 (Routine)
21 April 1910Fredericton Unb, CAdaily rain35.6 mm (1.4 in)20.1 mm (0.8 in)4 years28 of 100 (Routine)
21 April 1910Anticosti SW Point, CAdaily rain33.0 mm (1.3 in)7.6 mm (0.30 in)37 years22 of 100 (Routine)
21 April 1910Metten, DEdaily rain29.0 mm (1.1 in)4.8 mm (0.19 in)30 years21 of 100 (Routine)
21 April 1910Nurnberg, DEdaily rain12.2 mm (0.5 in)4.8 mm (0.19 in)30 years20 of 100 (Routine)
21 April 1910Chatham, CAdaily rain24.6 mm (1.0 in)9.9 mm (0.39 in)25 years20 of 100 (Routine)
21 April 1910Graaff Reinet, ZAdaily rain8.6 mm (0.34 in)7.8 mm (0.31 in)26 years20 of 100 (Routine)
21 April 1910Regensburg, DEdaily rain9.3 mm (0.37 in)5.5 mm (0.22 in)10 years20 of 100 (Routine)
21 April 1910Halifax, CAdaily rain35.6 mm (1.4 in)7.2 mm (0.28 in)31 years20 of 100 (Routine)
21 April 1910Truro, CAdaily rain26.4 mm (1.0 in)11.7 mm (0.5 in)5 years20 of 100 (Routine)
21 April 1910Yarmouth, CAdaily rain30.0 mm (1.2 in)13.7 mm (0.5 in)5 years20 of 100 (Routine)
21 April 1910Olands Norra Udde, SEdaily rain8.0 mm (0.31 in)3.7 mm (0.15 in)16 years20 of 100 (Routine)
21 April 1910Arnsberg, DEdaily rain14.4 mm (0.6 in)5.8 mm (0.23 in)12 years19 of 100 (Routine)
21 April 1910Jamestown, ZAdaily rain12.7 mm (0.5 in)6.3 mm (0.25 in)21 years17 of 100 (Routine)
21 April 1910Cradock, ZAdaily rain6.4 mm (0.25 in)3.9 mm (0.15 in)23 years16 of 100 (Routine)
21 April 1910Skara 1, SEdaily rain5.7 mm (0.22 in)0.6 mm (0.02 in)33 years16 of 100 (Routine)
21 April 1910Chatham, CAdaily high min6.1 C (43.0 F)2.8 C (5.0 F)20 years15 of 100 (Routine)
21 April 1910Heinersreuth-Vollhof, DEdaily rain9.4 mm (0.37 in)2.5 mm (0.10 in)19 years15 of 100 (Routine)
21 April 1910Bamberg (Sternwarte), DEdaily rain13.0 mm (0.5 in)2.0 mm (0.08 in)18 years14 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

1793 to 1910
Records on 04-21 in each year Records set or tied on this calendar date in each year from 1793 to 1910. 1910 had 33 records. 05001,0001,5002,0001793: 11814: 11820: 11838: 11849: 21851: 11852: 31854: 11858: 31861: 21865: 31866: 11868: 11870: 11875: 41876: 21877: 11879: 31880: 11881: 11882: 11884: 11885: 21888: 11890: 11891: 11892: 11893: 21894: 41895: 11897: 11898: 21899: 21900: 71901: 171902: 71903: 31904: 101905: 181906: 51907: 171908: 251909: 201910: 331911: 91912: 221913: 141914: 2201915: 241916: 641917: 481918: 841919: 311920: 851921: 591922: 701923: 2231924: 1191925: 2951926: 1481927: 2841928: 2691929: 1931930: 1271931: 3581932: 3041933: 2011934: 4971935: 2661936: 2771937: 4161938: 2951939: 1101940: 4621941: 3061942: 2851943: 4811944: 2611945: 3671946: 4481947: 4591948: 3651949: 4481950: 5291951: 8841952: 6651953: 6401954: 5271955: 6071956: 4971957: 8241958: 3291959: 5051960: 8891961: 6471962: 3191963: 7781964: 1,1251965: 6581966: 7561967: 9031968: 6551969: 3881970: 7281971: 5461972: 5931973: 1,1631974: 5281975: 3601976: 4521977: 8541978: 7351979: 4491980: 1,9341981: 9441982: 1,0751983: 1,3661984: 1,2311985: 1,2451986: 9771987: 1,2901988: 8981989: 1,5571990: 1,4631991: 1,2911992: 1,7631993: 8471994: 8591995: 1,4761996: 7881997: 9641998: 8761999: 7522000: 9212001: 9672002: 1,3122003: 6072004: 5862005: 6932006: 7612007: 4802008: 1,3272009: 9832010: 8052011: 1,0532012: 6872013: 1,0152014: 3932015: 6212016: 5872017: 7972018: 8622019: 7302020: 3942021: 1,6002022: 4312023: 8852024: 7542025: 5061793187718991915193119471963197919952011
Records set or tied on this calendar date in each year from 1793 to 1910. 1910 had 33 records.
Counts for years before the ledger starts come from the same station rules.
Records on 04-21 in each year
YearRecords
17931
18141
18201
18381
18492
18511
18523
18541
18583
18612
18653
18661
18681
18701
18754
18762
18771
18793
18801
18811
18821
18841
18852
18881
18901
18911
18921
18932
18944
18951
18971
18982
18992
19007
190117
19027
19033
190410
190518
19065
190717
190825
190920
191033
19119
191222
191314
1914220
191524
191664
191748
191884
191931
192085
192159
192270
1923223
1924119
1925295
1926148
1927284
1928269
1929193
1930127
1931358
1932304
1933201
1934497
1935266
1936277
1937416
1938295
1939110
1940462
1941306
1942285
1943481
1944261
1945367
1946448
1947459
1948365
1949448
1950529
1951884
1952665
1953640
1954527
1955607
1956497
1957824
1958329
1959505
1960889
1961647
1962319
1963778
19641,125
1965658
1966756
1967903
1968655
1969388
1970728
1971546
1972593
19731,163
1974528
1975360
1976452
1977854
1978735
1979449
19801,934
1981944
19821,075
19831,366
19841,231
19851,245
1986977
19871,290
1988898
19891,557
19901,463
19911,291
19921,763
1993847
1994859
19951,476
1996788
1997964
1998876
1999752
2000921
2001967
20021,312
2003607
2004586
2005693
2006761
2007480
20081,327
2009983
2010805
20111,053
2012687
20131,015
2014393
2015621
2016587
2017797
2018862
2019730
2020394
20211,600
2022431
2023885
2024754
2025506

Download the Data

  • Data for records on 1910-04-21: 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 (2025-12-31).