Built 2026-10-16 (16 October 2026)

Weather Records on 21 April 1912

22 weather records were set or tied worldwide on 21 April 1912. Highest significance: Crown St. Reservoir, AU.

Key Facts for 21 April 1912

  • On 21 April 1912, 22 weather records were set or tied at long-record stations worldwide.
  • 12 were record highs and 4 were record lows, counting maximum and minimum temperature.
  • By timescale, 0 were all-time records, 0 monthly and 22 daily.
  • Crown St. Reservoir set a daily record precipitation of 48.3 mm (1.9 in) on 21 April 1912.
  • Across 158 earlier years (1793 to 2025) the same calendar date averaged 462 records.

Record Map

22 stations
Weather records on 21 April 1912 22 station records on 21 April 1912 are marked on the map, coloured by record type.
22 station records on 21 April 1912 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 21 April 1912: highest significance records shown on the map
StationCountryTypeValueSignificance
Crown St. ReservoirAustraliaRecord daily precipitation48.3 mm (1.9 in)26 of 100 (Routine)
Little Rock St CapitolUnited StatesRecord daily precipitation57.9 mm (2.3 in)23 of 100 (Routine)
Skara 1SwedenRecord high maximum temperature20.0 C (68.0 F)22 of 100 (Routine)
EscanabaUnited StatesRecord daily precipitation21.1 mm (0.8 in)20 of 100 (Routine)
ArmaghUnited KingdomRecord daily precipitation15.7 mm (0.6 in)20 of 100 (Routine)
Montgomery Wb CityUnited StatesRecord daily precipitation26.4 mm (1.0 in)20 of 100 (Routine)
HalmstadSwedenRecord high maximum temperature19.0 C (66.2 F)18 of 100 (Routine)
JokkmokkSwedenRecord high maximum temperature12.5 C (54.5 F)17 of 100 (Routine)
Jacksonville Wb CityUnited StatesRecord daily precipitation19.3 mm (0.8 in)17 of 100 (Routine)
SvegSwedenRecord high maximum temperature15.0 C (59.0 F)16 of 100 (Routine)
Vasteras-HassloSwedenRecord high maximum temperature19.0 C (66.2 F)15 of 100 (Routine)
VestervigDenmarkRecord high maximum temperature18.6 C (65.5 F)14 of 100 (Routine)
UmeaSwedenRecord high maximum temperature11.5 C (52.7 F)13 of 100 (Routine)
OrebroSwedenRecord high maximum temperature15.5 C (59.9 F)12 of 100 (Routine)
StockholmSwedenRecord high maximum temperature16.0 C (60.8 F)12 of 100 (Routine)
Oestersund-FroesoenSwedenRecord high maximum temperature14.2 C (57.6 F)9 of 100 (Routine)
Sacramento 5 ESEUnited StatesRecord low minimum temperature5.6 C (42.1 F)9 of 100 (Routine)
Bourke Post OfficeAustraliaRecord low maximum temperature20.3 C (68.5 F)7 of 100 (Routine)
Deniliquin (Wilkinson St)AustraliaRecord low maximum temperature16.7 C (62.1 F)7 of 100 (Routine)
Cape Otway LighthouseAustraliaRecord low maximum temperature13.1 C (55.6 F)6 of 100 (Routine)
Oestersund-FroesoenSwedenRecord high minimum temperature2.0 C (35.6 F)5 of 100 (Routine)
StonecliffeCanadaRecord high minimum temperature4.4 C (39.9 F)2 of 100 (Routine)

Counts by Type and Timescale

22 records
Records on 21 April 1912 by type Records set or tied on 21 April 1912 by type: Highest daily maximum 10, Lowest daily maximum 3, Highest daily minimum 2, Lowest daily minimum 1, Heaviest daily rainfall 6. 035810Highest daily maximum: 10Lowest daily maximum: 3Highest daily minimum: 2Lowest daily minimum: 1Heaviest daily rainfall: 6Heaviest daily snowfall: 0Deepest snow cover: 0Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 21 April 1912 by type: Highest daily maximum 10, Lowest daily maximum 3, Highest daily minimum 2, Lowest daily minimum 1, Heaviest daily rainfall 6.
Records on 21 April 1912 by type
Record typeRecords
Highest daily maximum10
Lowest daily maximum3
Highest daily minimum2
Lowest daily minimum1
Heaviest daily rainfall6
Heaviest daily snowfall0
Deepest snow cover0
Records on 21 April 1912 by timescale Records on 21 April 1912 by timescale: all-time 0, monthly 0, daily 22. 0102030all-time: 0monthly: 0daily: 22all-timemonthlydaily
Records on 21 April 1912 by timescale: all-time 0, monthly 0, daily 22.
Records on 21 April 1912 by timescale
TimescaleRecords
all-time0
monthly0
daily22

How Much Records Were Beaten By

21 broken records
Histogram of margins by which records were beaten on 21 April 1912 Margins by which the 21 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 37.9. Ties are not counted. 051015200 to 5: 165 to 10: 110 to 15: 215 to 20: 020 to 25: 125 to 30: 030 to 35: 035 to 40: 10 to 55 to 1010 to 1515 to 2020 to 2525 to 3030 to 3535 to 40
Margins by which the 21 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 37.9. Ties are not counted.
Histogram of margins by which records were beaten on 21 April 1912
MarginRecords
0 to 516
5 to 101
10 to 152
15 to 200
20 to 251
25 to 300
30 to 350
35 to 401

Top 20 by Significance

21 April 1912
Top 20 records on 21 April 1912 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
21 April 1912Crown St. Reservoir, AUdaily rain48.3 mm (1.9 in)37.9 mm (1.5 in)18 years26 of 100 (Routine)
21 April 1912Little Rock St Capitol, USdaily rain57.9 mm (2.3 in)22.6 mm (0.9 in)28 years23 of 100 (Routine)
21 April 1912Skara 1, SEdaily high max20.0 C (68.0 F)5.0 C (9.0 F)29 years22 of 100 (Routine)
21 April 1912Escanaba, USdaily rain21.1 mm (0.8 in)13.5 mm (0.5 in)35 years20 of 100 (Routine)
21 April 1912Armagh, GBdaily rain15.7 mm (0.6 in)4.7 mm (0.19 in)34 years20 of 100 (Routine)
21 April 1912Montgomery Wb City, USdaily rain26.4 mm (1.0 in)10.7 mm (0.4 in)36 years20 of 100 (Routine)
21 April 1912Halmstad, SEdaily high max19.0 C (66.2 F)4.0 C (7.2 F)18 years18 of 100 (Routine)
21 April 1912Jokkmokk, SEdaily high max12.5 C (54.5 F)2.5 C (4.5 F)28 years17 of 100 (Routine)
21 April 1912Jacksonville Wb City, USdaily rain19.3 mm (0.8 in)3.0 mm (0.12 in)39 years17 of 100 (Routine)
21 April 1912Sveg, SEdaily high max15.0 C (59.0 F)2.5 C (4.5 F)25 years16 of 100 (Routine)
21 April 1912Vasteras-Hasslo, SEdaily high max19.0 C (66.2 F)2.0 C (3.6 F)26 years15 of 100 (Routine)
21 April 1912Vestervig, DKdaily high max18.6 C (65.5 F)2.3 C (4.1 F)16 years14 of 100 (Routine)
21 April 1912Umea, SEdaily high max11.5 C (52.7 F)1.0 C (1.8 F)28 years13 of 100 (Routine)
21 April 1912Orebro, SEdaily high max15.5 C (59.9 F)0.5 C (0.9 F)29 years12 of 100 (Routine)
21 April 1912Stockholm, SEdaily high max16.0 C (60.8 F)0.5 C (0.9 F)26 years12 of 100 (Routine)
21 April 1912Oestersund-Froesoen, SEdaily high max14.2 C (57.6 F)0.7 C (1.3 F)16 years9 of 100 (Routine)
21 April 1912Sacramento 5 ESE, USdaily low min5.6 C (42.1 F)1.1 C (2.0 F)8 years9 of 100 (Routine)
21 April 1912Bourke Post Office, AUdaily low max20.3 C (68.5 F)1.6 C (2.9 F)3 years7 of 100 (Routine)
21 April 1912Deniliquin (Wilkinson St), AUdaily low max16.7 C (62.1 F)0.5 C (0.9 F)5 years7 of 100 (Routine)
21 April 1912Cape Otway Lighthouse, AUdaily low max13.1 C (55.6 F)0.2 C (0.4 F)7 years6 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 1912
Records on 04-21 in each year Records set or tied on this calendar date in each year from 1793 to 1912. 1912 had 22 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 1912. 1912 had 22 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 1912-04-21: 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).