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Weather Records on 21 May 1907

36 weather records were set or tied worldwide on 21 May 1907. Highest significance: Melbourne Regional Office, AU.

Key Facts for 21 May 1907

  • On 21 May 1907, 36 weather records were set or tied at long-record stations worldwide.
  • 8 were record highs and 25 were record lows, counting maximum and minimum temperature.
  • By timescale, 0 were all-time records, 1 monthly and 35 daily.
  • Melbourne Regional Office set a daily record high minimum temperature of 14.3 C (57.7 F) on 21 May 1907.
  • Across 155 earlier years (1793 to 2025) the same calendar date averaged 464 records.

Record Map

36 stations
Weather records on 21 May 1907 36 station records on 21 May 1907 are marked on the map, coloured by record type.
36 station records on 21 May 1907 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 21 May 1907: highest significance records shown on the map
StationCountryTypeValueSignificance
Melbourne Regional OfficeAustraliaRecord high minimum temperature14.3 C (57.7 F)24 of 100 (Routine)
ArmaghUnited KingdomRecord low maximum temperature9.4 C (48.9 F)20 of 100 (Routine)
UccleBelgiumRecord low minimum temperature0.4 C (32.7 F)19 of 100 (Routine)
VestervigDenmarkRecord daily precipitation20.1 mm (0.8 in)18 of 100 (Routine)
Cape Otway LighthouseAustraliaRecord high minimum temperature12.2 C (54.0 F)17 of 100 (Routine)
Windsor RiversideCanadaRecord low maximum temperature10.0 C (50.0 F)17 of 100 (Routine)
Kirchdorf/PoelGermanyRecord daily precipitation5.4 mm (0.21 in)15 of 100 (Routine)
Ny City Cntrl ParkUnited StatesRecord low minimum temperature4.4 C (39.9 F)15 of 100 (Routine)
Forbes (Camp Street)AustraliaRecord high maximum temperature22.2 C (72.0 F)14 of 100 (Routine)
Sydney (Observatory Hill)AustraliaRecord high maximum temperature22.4 C (72.3 F)12 of 100 (Routine)
StonecliffeCanadaRecord low maximum temperature6.7 C (44.1 F)12 of 100 (Routine)
EscanabaUnited StatesRecord low minimum temperature-1.1 C (30.0 F)12 of 100 (Routine)
WashingtonUnited StatesRecord low minimum temperature5.0 C (41.0 F)12 of 100 (Routine)
Kingston Queens UCanadaRecord low minimum temperature0.0 C (32.0 F)10 of 100 (Routine)
GravenhurstCanadaRecord low maximum temperature7.8 C (46.0 F)10 of 100 (Routine)
SouthamptonCanadaRecord low maximum temperature6.7 C (44.1 F)10 of 100 (Routine)
Montreal McGillCanadaRecord low minimum temperature1.1 C (34.0 F)10 of 100 (Routine)
World Trade CtrUnited StatesRecord low minimum temperature5.0 C (41.0 F)10 of 100 (Routine)
PeterboroughCanadaRecord low minimum temperature-0.6 C (30.9 F)9 of 100 (Routine)
PeterboroughCanadaRecord low maximum temperature8.9 C (48.0 F)8 of 100 (Routine)
PortlandUnited StatesRecord low minimum temperature2.2 C (36.0 F)8 of 100 (Routine)
BuffaloUnited StatesRecord low maximum temperature6.7 C (44.1 F)8 of 100 (Routine)
Urana (Butherwah)AustraliaRecord daily precipitation21.1 mm (0.8 in)7 of 100 (Routine)
Deniliquin (Wilkinson St)AustraliaRecord high minimum temperature11.7 C (53.1 F)7 of 100 (Routine)
BuffaloUnited StatesRecord low minimum temperature0.6 C (33.1 F)7 of 100 (Routine)
Baltimore Customs HouseUnited StatesRecord low minimum temperature6.1 C (43.0 F)7 of 100 (Routine)
VestervigDenmarkRecord low maximum temperature9.5 C (49.1 F)6 of 100 (Routine)
Dublin Phoenix ParkIrelandRecord low maximum temperature8.9 C (48.0 F)6 of 100 (Routine)
Newark Liberty Intl APUnited StatesRecord low minimum temperature3.9 C (39.0 F)5 of 100 (Routine)
Bourke Post OfficeAustraliaRecord high maximum temperature30.0 C (86.0 F)4 of 100 (Routine)
Santa FeUnited StatesRecord high minimum temperature11.1 C (52.0 F)3 of 100 (Routine)
Port ArthurCanadaRecord low maximum temperature8.9 C (48.0 F)2 of 100 (Routine)
Port ArthurCanadaRecord low minimum temperature-2.8 C (27.0 F)2 of 100 (Routine)
Port StanleyCanadaRecord low maximum temperature12.2 C (54.0 F)1 of 100 (Routine)
Wagga Wagga (Kooringal)AustraliaRecord high maximum temperature21.1 C (70.0 F)0 of 100 (Routine)
Atlantic City MarinaUnited StatesRecord low minimum temperature5.6 C (42.1 F)0 of 100 (Routine)

Counts by Type and Timescale

36 records
Records on 21 May 1907 by type Records set or tied on 21 May 1907 by type: Highest daily maximum 4, Lowest daily maximum 11, Highest daily minimum 4, Lowest daily minimum 14, Heaviest daily rainfall 3. 051015Highest daily maximum: 4Lowest daily maximum: 11Highest daily minimum: 4Lowest daily minimum: 14Heaviest daily rainfall: 3Heaviest daily snowfall: 0Deepest snow cover: 0Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 21 May 1907 by type: Highest daily maximum 4, Lowest daily maximum 11, Highest daily minimum 4, Lowest daily minimum 14, Heaviest daily rainfall 3.
Records on 21 May 1907 by type
Record typeRecords
Highest daily maximum4
Lowest daily maximum11
Highest daily minimum4
Lowest daily minimum14
Heaviest daily rainfall3
Heaviest daily snowfall0
Deepest snow cover0
Records on 21 May 1907 by timescale Records on 21 May 1907 by timescale: all-time 0, monthly 1, daily 35. 010203040all-time: 0monthly: 1daily: 35all-timemonthlydaily
Records on 21 May 1907 by timescale: all-time 0, monthly 1, daily 35.
Records on 21 May 1907 by timescale
TimescaleRecords
all-time0
monthly1
daily35

How Much Records Were Beaten By

29 broken records
Histogram of margins by which records were beaten on 21 May 1907 Margins by which the 29 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 2.8. Ties are not counted. 024680.0 to 0.5: 50.5 to 1.0: 81.0 to 1.5: 61.5 to 2.0: 72.0 to 2.5: 22.5 to 3.0: 10.0 to 0.50.5 to 1.01.0 to 1.51.5 to 2.02.0 to 2.52.5 to 3.0
Margins by which the 29 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 2.8. Ties are not counted.
Histogram of margins by which records were beaten on 21 May 1907
MarginRecords
0.0 to 0.55
0.5 to 1.08
1.0 to 1.56
1.5 to 2.07
2.0 to 2.52
2.5 to 3.01

Top 20 by Significance

21 May 1907
Top 20 records on 21 May 1907 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
21 May 1907Melbourne Regional Office, AUdaily high min14.3 C (57.7 F)1.6 C (2.9 F)46 years24 of 100 (Routine)
21 May 1907Armagh, GBdaily low max9.4 C (48.9 F)0.5 C (0.9 F)44 years20 of 100 (Routine)
21 May 1907Uccle, BEdaily low min0.4 C (32.7 F)2.4 C (4.3 F)19 years19 of 100 (Routine)
21 May 1907Vestervig, DKmonthly rain20.1 mm (0.8 in)0.4 mm (0.02 in)15 years18 of 100 (Routine)
21 May 1907Cape Otway Lighthouse, AUdaily high min12.2 C (54.0 F)0.5 C (0.9 F)36 years17 of 100 (Routine)
21 May 1907Windsor Riverside, CAdaily low max10.0 C (50.0 F)1.7 C (3.1 F)39 years17 of 100 (Routine)
21 May 1907Kirchdorf/Poel, DEdaily rain5.4 mm (0.21 in)0.2 mm (0.01 in)37 years15 of 100 (Routine)
21 May 1907Ny City Cntrl Park, USdaily low min4.4 C (39.9 F)2.8 C (5.0 F)18 years15 of 100 (Routine)
21 May 1907Forbes (Camp Street), AUdaily high max22.2 C (72.0 F)1.1 C (2.0 F)26 years14 of 100 (Routine)
21 May 1907Sydney (Observatory Hill), AUdaily high max22.4 C (72.3 F)0.2 C (0.4 F)26 years12 of 100 (Routine)
21 May 1907Stonecliffe, CAdaily low max6.7 C (44.1 F)1.6 C (2.9 F)23 years12 of 100 (Routine)
21 May 1907Escanaba, USdaily low min-1.1 C (30.0 F)1.1 C (2.0 F)23 years12 of 100 (Routine)
21 May 1907Washington, USdaily low min5.0 C (41.0 F)1.7 C (3.1 F)11 years12 of 100 (Routine)
21 May 1907Kingston Queens U, CAdaily low min0.0 C (32.0 F)1.7 C (3.1 F)11 years10 of 100 (Routine)
21 May 1907Gravenhurst, CAdaily low max7.8 C (46.0 F)0.5 C (0.9 F)23 years10 of 100 (Routine)
21 May 1907Southampton, CAdaily low max6.7 C (44.1 F)0.5 C (0.9 F)23 years10 of 100 (Routine)
21 May 1907Montreal McGill, CAdaily low min1.1 C (34.0 F)1.7 C (3.1 F)11 years10 of 100 (Routine)
21 May 1907World Trade Ctr, USdaily low min5.0 C (41.0 F)1.1 C (2.0 F)14 years10 of 100 (Routine)
21 May 1907Peterborough, CAdaily low min-0.6 C (30.9 F)1.2 C (2.2 F)11 years9 of 100 (Routine)
21 May 1907Peterborough, CAdaily low max8.9 C (48.0 F)1.1 C (2.0 F)11 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

1793 to 1907
Records on 05-21 in each year Records set or tied on this calendar date in each year from 1793 to 1907. 1907 had 36 records. 01,0002,0003,0001793: 11795: 11811: 11837: 21842: 11847: 21854: 11857: 11858: 11865: 11866: 11870: 21875: 11876: 11880: 21882: 11885: 11886: 21887: 31889: 51890: 31891: 61892: 11893: 11894: 41895: 41896: 51897: 21898: 11899: 51900: 11901: 31902: 41903: 261904: 81905: 71906: 121907: 361908: 131909: 131910: 141911: 871912: 241913: 131914: 261915: 241916: 131917: 761918: 511919: 1701920: 391921: 1581922: 391923: 1251924: 1481925: 2501926: 2211927: 2071928: 1731929: 2471930: 1331931: 4881932: 3431933: 2901934: 5901935: 1901936: 3281937: 2271938: 3481939: 3551940: 4561941: 5251942: 4821943: 4631944: 3101945: 5151946: 3241947: 4851948: 3121949: 5931950: 4031951: 2711952: 3851953: 5011954: 9611955: 5071956: 4091957: 7091958: 5111959: 6841960: 6151961: 3061962: 5531963: 5981964: 7881965: 2381966: 2961967: 1,0221968: 5491969: 8321970: 4491971: 5361972: 5571973: 4931974: 8471975: 1,1601976: 3931977: 7561978: 5751979: 7871980: 8571981: 1,5501982: 5991983: 1,1061984: 9501985: 6101986: 9081987: 1,2421988: 8191989: 6711990: 9471991: 1,0651992: 1,1431993: 1,1971994: 6561995: 7491996: 1,4611997: 9531998: 1,2001999: 5442000: 8972001: 1,1872002: 2,0482003: 8072004: 8982005: 1,0202006: 8102007: 8942008: 7402009: 1,3152010: 9622011: 9592012: 8482013: 8842014: 5222015: 9562016: 5672017: 7802018: 5212019: 1,6572020: 7032021: 1,1282022: 1,5042023: 7912024: 7532025: 7771793188519021918193419501966198219982014
Records set or tied on this calendar date in each year from 1793 to 1907. 1907 had 36 records.
Counts for years before the ledger starts come from the same station rules.
Records on 05-21 in each year
YearRecords
17931
17951
18111
18372
18421
18472
18541
18571
18581
18651
18661
18702
18751
18761
18802
18821
18851
18862
18873
18895
18903
18916
18921
18931
18944
18954
18965
18972
18981
18995
19001
19013
19024
190326
19048
19057
190612
190736
190813
190913
191014
191187
191224
191313
191426
191524
191613
191776
191851
1919170
192039
1921158
192239
1923125
1924148
1925250
1926221
1927207
1928173
1929247
1930133
1931488
1932343
1933290
1934590
1935190
1936328
1937227
1938348
1939355
1940456
1941525
1942482
1943463
1944310
1945515
1946324
1947485
1948312
1949593
1950403
1951271
1952385
1953501
1954961
1955507
1956409
1957709
1958511
1959684
1960615
1961306
1962553
1963598
1964788
1965238
1966296
19671,022
1968549
1969832
1970449
1971536
1972557
1973493
1974847
19751,160
1976393
1977756
1978575
1979787
1980857
19811,550
1982599
19831,106
1984950
1985610
1986908
19871,242
1988819
1989671
1990947
19911,065
19921,143
19931,197
1994656
1995749
19961,461
1997953
19981,200
1999544
2000897
20011,187
20022,048
2003807
2004898
20051,020
2006810
2007894
2008740
20091,315
2010962
2011959
2012848
2013884
2014522
2015956
2016567
2017780
2018521
20191,657
2020703
20211,128
20221,504
2023791
2024753
2025777

Download the Data

  • Data for records on 1907-05-21: 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).