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Weather Records on 21 May 1908

13 weather records were set or tied worldwide on 21 May 1908. Highest significance: Helmond, NL.

Key Facts for 21 May 1908

  • On 21 May 1908, 13 weather records were set or tied at long-record stations worldwide.
  • 8 were record highs and 1 were record lows, counting maximum and minimum temperature.
  • By timescale, 0 were all-time records, 1 monthly and 12 daily.
  • Helmond set a monthly record daily precipitation of 44.8 mm (1.8 in) on 21 May 1908.
  • Across 155 earlier years (1793 to 2025) the same calendar date averaged 464 records.

Record Map

13 stations
Weather records on 21 May 1908 13 station records on 21 May 1908 are marked on the map, coloured by record type.
13 station records on 21 May 1908 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 21 May 1908: highest significance records shown on the map
StationCountryTypeValueSignificance
HelmondNetherlandsRecord daily precipitation44.8 mm (1.8 in)59 of 100 (Notable)
RoermondNetherlandsRecord daily precipitation24.3 mm (1.0 in)20 of 100 (Routine)
Kingston Queens UCanadaRecord high minimum temperature15.6 C (60.1 F)16 of 100 (Routine)
Berlin-Dahlem (Lfag)GermanyRecord daily precipitation11.8 mm (0.5 in)15 of 100 (Routine)
StratfordCanadaRecord high minimum temperature15.6 C (60.1 F)14 of 100 (Routine)
PeterboroughCanadaRecord high minimum temperature15.6 C (60.1 F)14 of 100 (Routine)
SalzburgAustriaRecord high minimum temperature14.7 C (58.5 F)10 of 100 (Routine)
Parry SoundCanadaRecord high minimum temperature13.9 C (57.0 F)7 of 100 (Routine)
HoofddorpNetherlandsRecord daily precipitation8.8 mm (0.35 in)7 of 100 (Routine)
Cape Otway LighthouseAustraliaRecord high minimum temperature12.8 C (55.0 F)6 of 100 (Routine)
TorontoCanadaRecord high minimum temperature14.4 C (57.9 F)4 of 100 (Routine)
Windsor RiversideCanadaRecord high minimum temperature14.4 C (57.9 F)3 of 100 (Routine)
Santa FeUnited StatesRecord low minimum temperature1.1 C (34.0 F)2 of 100 (Routine)

Counts by Type and Timescale

13 records
Records on 21 May 1908 by type Records set or tied on 21 May 1908 by type: Highest daily minimum 8, Lowest daily minimum 1, Heaviest daily rainfall 4. 02468Highest daily maximum: 0Lowest daily maximum: 0Highest daily minimum: 8Lowest daily minimum: 1Heaviest daily rainfall: 4Heaviest daily snowfall: 0Deepest snow cover: 0Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 21 May 1908 by type: Highest daily minimum 8, Lowest daily minimum 1, Heaviest daily rainfall 4.
Records on 21 May 1908 by type
Record typeRecords
Highest daily maximum0
Lowest daily maximum0
Highest daily minimum8
Lowest daily minimum1
Heaviest daily rainfall4
Heaviest daily snowfall0
Deepest snow cover0
Records on 21 May 1908 by timescale Records on 21 May 1908 by timescale: all-time 0, monthly 1, daily 12. 051015all-time: 0monthly: 1daily: 12all-timemonthlydaily
Records on 21 May 1908 by timescale: all-time 0, monthly 1, daily 12.
Records on 21 May 1908 by timescale
TimescaleRecords
all-time0
monthly1
daily12

How Much Records Were Beaten By

10 broken records
Histogram of margins by which records were beaten on 21 May 1908 Margins by which the 10 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 20.0. Ties are not counted. 024680 to 3: 73 to 5: 05 to 8: 18 to 10: 010 to 13: 013 to 15: 015 to 18: 018 to 20: 20 to 33 to 55 to 88 to 1010 to 1313 to 1515 to 1818 to 20
Margins by which the 10 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 20.0. Ties are not counted.
Histogram of margins by which records were beaten on 21 May 1908
MarginRecords
0 to 37
3 to 50
5 to 81
8 to 100
10 to 130
13 to 150
15 to 180
18 to 202

Top 20 by Significance

21 May 1908
Top 13 records on 21 May 1908 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
21 May 1908Helmond, NLmonthly rain44.8 mm (1.8 in)20.0 mm (0.8 in)19 years59 of 100 (Notable)
21 May 1908Roermond, NLdaily rain24.3 mm (1.0 in)18.8 mm (0.7 in)18 years20 of 100 (Routine)
21 May 1908Kingston Queens U, CAdaily high min15.6 C (60.1 F)1.7 C (3.1 F)30 years16 of 100 (Routine)
21 May 1908Berlin-Dahlem (Lfag), DEdaily rain11.8 mm (0.5 in)6.2 mm (0.24 in)8 years15 of 100 (Routine)
21 May 1908Stratford, CAdaily high min15.6 C (60.1 F)0.6 C (1.1 F)30 years14 of 100 (Routine)
21 May 1908Peterborough, CAdaily high min15.6 C (60.1 F)1.2 C (2.2 F)27 years14 of 100 (Routine)
21 May 1908Salzburg, ATdaily high min14.7 C (58.5 F)1.0 C (1.8 F)17 years10 of 100 (Routine)
21 May 1908Parry Sound, CAdaily high min13.9 C (57.0 F)1.1 C (2.0 F)9 years7 of 100 (Routine)
21 May 1908Hoofddorp, NLdaily rain8.8 mm (0.35 in)0.9 mm (0.04 in)4 years7 of 100 (Routine)
21 May 1908Cape Otway Lighthouse, AUdaily high min12.8 C (55.0 F)0.6 C (1.1 F)1 year6 of 100 (Routine)
21 May 1908Toronto, CAdaily high min (Tie)14.4 C (57.9 F)tie43 years4 of 100 (Routine)
21 May 1908Windsor Riverside, CAdaily high min (Tie)14.4 C (57.9 F)tie30 years3 of 100 (Routine)
21 May 1908Santa Fe, USdaily low min (Tie)1.1 C (34.0 F)tie16 years2 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 1908
Records on 05-21 in each year Records set or tied on this calendar date in each year from 1793 to 1908. 1908 had 13 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 1908. 1908 had 13 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 1908-05-21: 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 2026-10-12 (12 October 2026). Records are computed by this site and are not official.

Data as of . Last revised (2025-12-31).