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Built 2026-10-19 (19 October 2026)

Weather Records on 20 August 1921

23 weather records were set or tied worldwide on 20 August 1921. Highest significance: Quebec, CA.

Key Facts for 20 August 1921

  • On 20 August 1921, 23 weather records were set or tied at long-record stations worldwide.
  • 12 were record highs and 5 were record lows, counting maximum and minimum temperature.
  • By timescale, 0 were all-time records, 0 monthly and 23 daily.
  • Quebec set a daily record precipitation of 35.6 mm (1.4 in) on 20 August 1921.
  • Across 163 earlier years (1797 to 2026) the same calendar date averaged 457 records.

Record Map

23 stations
Weather records on 20 August 1921 23 station records on 20 August 1921 are marked on the map, coloured by record type.
23 station records on 20 August 1921 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 20 August 1921: highest significance records shown on the map
StationCountryTypeValueSignificance
QuebecCanadaRecord daily precipitation35.6 mm (1.4 in)20 of 100 (Routine)
BiskraAlgeriaRecord high minimum temperature30.0 C (86.0 F)19 of 100 (Routine)
Port StanleyCanadaRecord high maximum temperature31.1 C (88.0 F)19 of 100 (Routine)
Skara 1SwedenRecord high maximum temperature25.5 C (77.9 F)19 of 100 (Routine)
SvegSwedenRecord high maximum temperature25.0 C (77.0 F)17 of 100 (Routine)
AlmaUnited StatesRecord daily precipitation22.9 mm (0.9 in)17 of 100 (Routine)
Nemours (Ghazaouet)AlgeriaRecord low minimum temperature16.0 C (60.8 F)16 of 100 (Routine)
EkaterinburgRussiaRecord high maximum temperature28.0 C (82.4 F)15 of 100 (Routine)
Portage WwtpUnited StatesRecord daily precipitation17.8 mm (0.7 in)15 of 100 (Routine)
Kirchdorf/PoelGermanyRecord high maximum temperature28.0 C (82.4 F)14 of 100 (Routine)
TampaUnited StatesRecord high minimum temperature25.6 C (78.1 F)13 of 100 (Routine)
Sidi-Bel-AbbesAlgeriaRecord low maximum temperature28.0 C (82.4 F)12 of 100 (Routine)
FerraraItalyRecord daily precipitation12.7 mm (0.5 in)8 of 100 (Routine)
TunisTunisiaRecord high minimum temperature27.0 C (80.6 F)8 of 100 (Routine)
ParnuEstoniaRecord low minimum temperature6.7 C (44.1 F)7 of 100 (Routine)
UmanUkraineRecord daily precipitation5.2 mm (0.20 in)7 of 100 (Routine)
Adelaide West TerraceAustraliaRecord high maximum temperature22.2 C (72.0 F)6 of 100 (Routine)
BrinkleyUnited StatesRecord high maximum temperature38.3 C (100.9 F)6 of 100 (Routine)
StuttgartUnited StatesRecord high maximum temperature37.8 C (100.0 F)5 of 100 (Routine)
MusgraveAustraliaRecord daily precipitation1.0 mm (0.04 in)2 of 100 (Routine)
St AlbansCanadaRecord low minimum temperature0.6 C (33.1 F)2 of 100 (Routine)
BatesvilleUnited StatesRecord high minimum temperature23.3 C (73.9 F)2 of 100 (Routine)
Qu'appelleCanadaRecord low minimum temperature-0.6 C (30.9 F)1 of 100 (Routine)

Counts by Type and Timescale

23 records
Records on 20 August 1921 by type Records set or tied on 20 August 1921 by type: Highest daily maximum 8, Lowest daily maximum 1, Highest daily minimum 4, Lowest daily minimum 4, Heaviest daily rainfall 6. 02468Highest daily maximum: 8Lowest daily maximum: 1Highest daily minimum: 4Lowest daily minimum: 4Heaviest daily rainfall: 6Heaviest daily snowfall: 0Deepest snow cover: 0Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 20 August 1921 by type: Highest daily maximum 8, Lowest daily maximum 1, Highest daily minimum 4, Lowest daily minimum 4, Heaviest daily rainfall 6.
Records on 20 August 1921 by type
Record typeRecords
Highest daily maximum8
Lowest daily maximum1
Highest daily minimum4
Lowest daily minimum4
Heaviest daily rainfall6
Heaviest daily snowfall0
Deepest snow cover0
Records on 20 August 1921 by timescale Records on 20 August 1921 by timescale: all-time 0, monthly 0, daily 23. 0102030all-time: 0monthly: 0daily: 23all-timemonthlydaily
Records on 20 August 1921 by timescale: all-time 0, monthly 0, daily 23.
Records on 20 August 1921 by timescale
TimescaleRecords
all-time0
monthly0
daily23

How Much Records Were Beaten By

19 broken records
Histogram of margins by which records were beaten on 20 August 1921 Margins by which the 19 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 11.0. Ties are not counted. 0510150 to 2: 142 to 4: 24 to 6: 06 to 8: 08 to 10: 110 to 12: 20 to 22 to 44 to 66 to 88 to 1010 to 12
Margins by which the 19 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 11.0. Ties are not counted.
Histogram of margins by which records were beaten on 20 August 1921
MarginRecords
0 to 214
2 to 42
4 to 60
6 to 80
8 to 101
10 to 122

Top 20 by Significance

20 August 1921
Top 20 records on 20 August 1921 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
20 August 1921Quebec, CAdaily rain35.6 mm (1.4 in)11.0 mm (0.4 in)16 years20 of 100 (Routine)
20 August 1921Biskra, DZdaily high min30.0 C (86.0 F)1.0 C (1.8 F)40 years19 of 100 (Routine)
20 August 1921Port Stanley, CAdaily high max31.1 C (88.0 F)1.1 C (2.0 F)36 years19 of 100 (Routine)
20 August 1921Skara 1, SEdaily high max25.5 C (77.9 F)1.5 C (2.7 F)38 years19 of 100 (Routine)
20 August 1921Sveg, SEdaily high max25.0 C (77.0 F)1.0 C (1.8 F)38 years17 of 100 (Routine)
20 August 1921Alma, USdaily rain22.9 mm (0.9 in)10.2 mm (0.4 in)20 years17 of 100 (Routine)
20 August 1921Nemours (Ghazaouet), DZdaily low min16.0 C (60.8 F)0.4 C (0.7 F)37 years16 of 100 (Routine)
20 August 1921Ekaterinburg, RUdaily high max28.0 C (82.4 F)3.7 C (6.7 F)19 years15 of 100 (Routine)
20 August 1921Portage Wwtp, USdaily rain17.8 mm (0.7 in)8.9 mm (0.35 in)21 years15 of 100 (Routine)
20 August 1921Kirchdorf/Poel, DEdaily high max28.0 C (82.4 F)1.6 C (2.9 F)20 years14 of 100 (Routine)
20 August 1921Tampa, USdaily high min25.6 C (78.1 F)0.6 C (1.1 F)21 years13 of 100 (Routine)
20 August 1921Sidi-Bel-Abbes, DZdaily low max28.0 C (82.4 F)2.0 C (3.6 F)10 years12 of 100 (Routine)
20 August 1921Ferrara, ITdaily rain12.7 mm (0.5 in)1.2 mm (0.05 in)10 years8 of 100 (Routine)
20 August 1921Tunis, TNdaily high min27.0 C (80.6 F)1.0 C (1.8 F)8 years8 of 100 (Routine)
20 August 1921Parnu, EEdaily low min6.7 C (44.1 F)0.1 C (0.2 F)12 years7 of 100 (Routine)
20 August 1921Uman, UAdaily rain5.2 mm (0.20 in)1.2 mm (0.05 in)12 years7 of 100 (Routine)
20 August 1921Adelaide West Terrace, AUdaily high max22.2 C (72.0 F)0.3 C (0.5 F)7 years6 of 100 (Routine)
20 August 1921Brinkley, USdaily high max38.3 C (100.9 F)0.5 C (0.9 F)8 years6 of 100 (Routine)
20 August 1921Stuttgart, USdaily high max37.8 C (100.0 F)0.6 C (1.1 F)4 years5 of 100 (Routine)
20 August 1921Musgrave, AUdaily rain (Tie)1.0 mm (0.04 in)tie26 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

1797 to 1921
Records on 08-20 in each year Records set or tied on this calendar date in each year from 1797 to 1921. 1921 had 23 records. 05001,0001,5002,0001797: 11807: 11809: 21816: 11830: 11832: 11838: 11840: 11842: 11846: 11849: 11850: 11852: 11858: 31863: 51867: 41870: 31871: 11873: 11875: 21877: 11883: 21884: 21885: 61886: 11888: 11889: 21890: 21891: 21892: 61893: 11894: 11895: 11896: 51897: 61898: 11899: 51900: 71901: 121902: 31903: 71904: 301905: 71906: 261907: 151908: 211909: 691910: 71911: 181912: 251913: 231914: 151915: 141916: 741917: 511918: 691919: 251920: 471921: 231922: 521923: 831924: 1321925: 1931926: 1871927: 3381928: 1011929: 2131930: 3181931: 2141932: 2991933: 3241934: 3761935: 3391936: 5431937: 5371938: 2501939: 4481940: 6951941: 2301942: 4291943: 4361944: 3551945: 3981946: 3491947: 9881948: 4031949: 4311950: 1,3411951: 8241952: 4251953: 4411954: 4761955: 8481956: 6781957: 3421958: 2811959: 7641960: 4651961: 5201962: 6841963: 5771964: 6291965: 4701966: 1,0941967: 6571968: 8621969: 6081970: 4141971: 5851972: 5221973: 4901974: 5651975: 4111976: 8941977: 8601978: 5631979: 1,0091980: 9911981: 8561982: 6201983: 1,4651984: 6961985: 6661986: 8191987: 5641988: 9911989: 6031990: 1,2621991: 8041992: 1,1681993: 7591994: 7191995: 1,1131996: 9001997: 1,2141998: 8021999: 8102000: 9892001: 9092002: 1,2082003: 1,0312004: 1,3332005: 1,1122006: 8512007: 1,9552008: 1,1702009: 1,4142010: 1,0282011: 9872012: 1,0862013: 5452014: 5822015: 1,0752016: 8722017: 3242018: 6572019: 6982020: 1,0512021: 1,0282022: 1,0382023: 1,4792024: 5892025: 1,1342026: 9851797187118971914193119481965198219992016
Records set or tied on this calendar date in each year from 1797 to 1921. 1921 had 23 records.
Counts for years before the ledger starts come from the same station rules.
Records on 08-20 in each year
YearRecords
17971
18071
18092
18161
18301
18321
18381
18401
18421
18461
18491
18501
18521
18583
18635
18674
18703
18711
18731
18752
18771
18832
18842
18856
18861
18881
18892
18902
18912
18926
18931
18941
18951
18965
18976
18981
18995
19007
190112
19023
19037
190430
19057
190626
190715
190821
190969
19107
191118
191225
191323
191415
191514
191674
191751
191869
191925
192047
192123
192252
192383
1924132
1925193
1926187
1927338
1928101
1929213
1930318
1931214
1932299
1933324
1934376
1935339
1936543
1937537
1938250
1939448
1940695
1941230
1942429
1943436
1944355
1945398
1946349
1947988
1948403
1949431
19501,341
1951824
1952425
1953441
1954476
1955848
1956678
1957342
1958281
1959764
1960465
1961520
1962684
1963577
1964629
1965470
19661,094
1967657
1968862
1969608
1970414
1971585
1972522
1973490
1974565
1975411
1976894
1977860
1978563
19791,009
1980991
1981856
1982620
19831,465
1984696
1985666
1986819
1987564
1988991
1989603
19901,262
1991804
19921,168
1993759
1994719
19951,113
1996900
19971,214
1998802
1999810
2000989
2001909
20021,208
20031,031
20041,333
20051,112
2006851
20071,955
20081,170
20091,414
20101,028
2011987
20121,086
2013545
2014582
20151,075
2016872
2017324
2018657
2019698
20201,051
20211,028
20221,038
20231,479
2024589
20251,134
2026985

Download the Data

  • Data for records on 1921-08-20: 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 2026-10-17 (17 October 2026). Records are computed by this site and are not official.

Data as of . Last revised (2026-10-15).