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Weather Records on 21 April 1905

18 weather records were set or tied worldwide on 21 April 1905. Highest significance: Windsor Riverside, CA.

Key Facts for 21 April 1905

  • On 21 April 1905, 18 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 18 daily.
  • Windsor Riverside set a daily record precipitation of 39.4 mm (1.6 in) on 21 April 1905.
  • Across 158 earlier years (1793 to 2025) the same calendar date averaged 463 records.

Record Map

18 stations
Weather records on 21 April 1905 18 station records on 21 April 1905 are marked on the map, coloured by record type.
18 station records on 21 April 1905 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 21 April 1905: highest significance records shown on the map
StationCountryTypeValueSignificance
Windsor RiversideCanadaRecord daily precipitation39.4 mm (1.6 in)53 of 100 (Notable)
Port DoverCanadaRecord daily precipitation34.3 mm (1.4 in)46 of 100 (Notable)
Port StanleyCanadaRecord daily precipitation31.5 mm (1.2 in)34 of 100 (Routine)
TorontoCanadaRecord daily snowfall7.6 cm (3.0 in)33 of 100 (Routine)
PeterboroughCanadaRecord daily snowfall8.9 cm (3.5 in)32 of 100 (Routine)
BuffaloUnited StatesRecord daily precipitation24.6 mm (1.0 in)20 of 100 (Routine)
Vasteras-HassloSwedenRecord daily precipitation8.0 mm (0.31 in)18 of 100 (Routine)
Melbourne Regional OfficeAustraliaRecord low minimum temperature3.7 C (38.7 F)16 of 100 (Routine)
Fredericton UnbCanadaRecord daily precipitation15.5 mm (0.6 in)15 of 100 (Routine)
GysingeSwedenRecord daily precipitation11.2 mm (0.4 in)15 of 100 (Routine)
Cape Otway LighthouseAustraliaRecord low maximum temperature13.3 C (55.9 F)14 of 100 (Routine)
World Trade CtrUnited StatesRecord high minimum temperature13.3 C (55.9 F)8 of 100 (Routine)
OrilliaCanadaRecord daily snowfall6.4 cm (2.5 in)7 of 100 (Routine)
Toledo BladeUnited StatesRecord daily precipitation8.4 mm (0.33 in)6 of 100 (Routine)
GravenhurstCanadaRecord daily snowfall5.1 cm (2.0 in)4 of 100 (Routine)
SouthamptonCanadaRecord daily snowfall5.1 cm (2.0 in)1 of 100 (Routine)
Philadelphia CityUnited StatesRecord high maximum temperature26.1 C (79.0 F)1 of 100 (Routine)
Kingston Queens UCanadaRecord daily snowfall0.5 cm (0.2 in)0 of 100 (Routine)

Counts by Type and Timescale

18 records
Records on 21 April 1905 by type Records set or tied on 21 April 1905 by type: Highest daily maximum 1, Lowest daily maximum 1, Highest daily minimum 1, Lowest daily minimum 1, Heaviest daily rainfall 8, Heaviest daily snowfall 6. 02468Highest daily maximum: 1Lowest daily maximum: 1Highest daily minimum: 1Lowest daily minimum: 1Heaviest daily rainfall: 8Heaviest daily snowfall: 6Deepest snow cover: 0Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 21 April 1905 by type: Highest daily maximum 1, Lowest daily maximum 1, Highest daily minimum 1, Lowest daily minimum 1, Heaviest daily rainfall 8, Heaviest daily snowfall 6.
Records on 21 April 1905 by type
Record typeRecords
Highest daily maximum1
Lowest daily maximum1
Highest daily minimum1
Lowest daily minimum1
Heaviest daily rainfall8
Heaviest daily snowfall6
Deepest snow cover0
Records on 21 April 1905 by timescale Records on 21 April 1905 by timescale: all-time 0, monthly 0, daily 18. 05101520all-time: 0monthly: 0daily: 18all-timemonthlydaily
Records on 21 April 1905 by timescale: all-time 0, monthly 0, daily 18.
Records on 21 April 1905 by timescale
TimescaleRecords
all-time0
monthly0
daily18

How Much Records Were Beaten By

15 broken records
Histogram of margins by which records were beaten on 21 April 1905 Margins by which the 15 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 89.0. Ties are not counted. 0510150 to 20: 1120 to 40: 240 to 60: 060 to 80: 180 to 100: 10 to 2020 to 4040 to 6060 to 8080 to 100
Margins by which the 15 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 89.0. Ties are not counted.
Histogram of margins by which records were beaten on 21 April 1905
MarginRecords
0 to 2011
20 to 402
40 to 600
60 to 801
80 to 1001

Top 20 by Significance

21 April 1905
Top 18 records on 21 April 1905 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
21 April 1905Windsor Riverside, CAdaily rain39.4 mm (1.6 in)33.0 mm (1.3 in)31 years53 of 100 (Notable)
21 April 1905Port Dover, CAdaily rain34.3 mm (1.4 in)26.9 mm (1.1 in)11 years46 of 100 (Notable)
21 April 1905Port Stanley, CAdaily rain31.5 mm (1.2 in)19.8 mm (0.8 in)4 years34 of 100 (Routine)
21 April 1905Toronto, CAdaily snowfall7.6 cm (3.0 in)6.3 cm (2.5 in)37 years33 of 100 (Routine)
21 April 1905Peterborough, CAdaily snowfall8.9 cm (3.5 in)8.9 cm (3.5 in)38 years32 of 100 (Routine)
21 April 1905Buffalo, USdaily rain24.6 mm (1.0 in)11.4 mm (0.4 in)11 years20 of 100 (Routine)
21 April 1905Vasteras-Hasslo, SEdaily rain8.0 mm (0.31 in)1.1 mm (0.04 in)37 years18 of 100 (Routine)
21 April 1905Melbourne Regional Office, AUdaily low min3.7 C (38.7 F)0.2 C (0.4 F)36 years16 of 100 (Routine)
21 April 1905Fredericton Unb, CAdaily rain15.5 mm (0.6 in)3.6 mm (0.14 in)29 years15 of 100 (Routine)
21 April 1905Gysinge, SEdaily rain11.2 mm (0.4 in)1.4 mm (0.06 in)28 years15 of 100 (Routine)
21 April 1905Cape Otway Lighthouse, AUdaily low max13.3 C (55.9 F)0.6 C (1.1 F)32 years14 of 100 (Routine)
21 April 1905World Trade Ctr, USdaily high min13.3 C (55.9 F)1.6 C (2.9 F)4 years8 of 100 (Routine)
21 April 1905Orillia, CAdaily snowfall6.4 cm (2.5 in)0.6 cm (0.2 in)11 years7 of 100 (Routine)
21 April 1905Toledo Blade, USdaily rain8.4 mm (0.33 in)1.5 mm (0.06 in)4 years6 of 100 (Routine)
21 April 1905Gravenhurst, CAdaily snowfall5.1 cm (2.0 in)0.3 cm (0.1 in)4 years4 of 100 (Routine)
21 April 1905Southampton, CAdaily snowfall (Tie)5.1 cm (2.0 in)tie4 years1 of 100 (Routine)
21 April 1905Philadelphia City, USdaily high max (Tie)26.1 C (79.0 F)tie8 years1 of 100 (Routine)
21 April 1905Kingston Queens U, CAdaily snowfall (Tie)0.5 cm (0.2 in)tie0 years0 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 1905
Records on 04-21 in each year Records set or tied on this calendar date in each year from 1793 to 1905. 1905 had 18 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 1905. 1905 had 18 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 1905-04-21: 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).