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Weather Records on 21 July 1909

18 weather records were set or tied worldwide on 21 July 1909. Highest significance: Eurugabah Station, AU.

Key Facts for 21 July 1909

  • On 21 July 1909, 18 weather records were set or tied at long-record stations worldwide.
  • 1 were record highs and 13 were record lows, counting maximum and minimum temperature.
  • By timescale, 0 were all-time records, 0 monthly and 18 daily.
  • Eurugabah Station set a daily record precipitation of 17.8 mm (0.7 in) on 21 July 1909.
  • Across 158 earlier years (1794 to 2025) the same calendar date averaged 467 records.

Record Map

18 stations
Weather records on 21 July 1909 18 station records on 21 July 1909 are marked on the map, coloured by record type.
18 station records on 21 July 1909 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 21 July 1909: highest significance records shown on the map
StationCountryTypeValueSignificance
Eurugabah StationAustraliaRecord daily precipitation17.8 mm (0.7 in)18 of 100 (Routine)
Wilmington Wb CityUnited StatesRecord low minimum temperature17.2 C (63.0 F)16 of 100 (Routine)
Koebenhavn: Landbohojskolen-1DenmarkRecord low maximum temperature16.0 C (60.8 F)15 of 100 (Routine)
SandvigDenmarkRecord low minimum temperature10.8 C (51.4 F)14 of 100 (Routine)
GravenhurstCanadaRecord low maximum temperature18.3 C (64.9 F)11 of 100 (Routine)
Port StanleyCanadaRecord low maximum temperature21.7 C (71.1 F)9 of 100 (Routine)
Moruya Heads Pilot StationAustraliaRecord daily precipitation2.5 mm (0.10 in)8 of 100 (Routine)
BeatriceCanadaRecord low maximum temperature17.8 C (64.0 F)8 of 100 (Routine)
Port DoverCanadaRecord low maximum temperature18.3 C (64.9 F)8 of 100 (Routine)
Olympia Priest Pt ParkUnited StatesRecord low minimum temperature6.1 C (43.0 F)8 of 100 (Routine)
Adelaide (Thorndon Park)AustraliaRecord daily precipitation11.9 mm (0.5 in)7 of 100 (Routine)
Queanbeyan Bowling ClubAustraliaRecord daily precipitation3.8 mm (0.15 in)6 of 100 (Routine)
SandvigDenmarkRecord low maximum temperature15.4 C (59.7 F)4 of 100 (Routine)
St John'sCanadaRecord high maximum temperature28.3 C (82.9 F)3 of 100 (Routine)
Nordby (Fano)DenmarkRecord low maximum temperature15.0 C (59.0 F)3 of 100 (Routine)
WashingtonUnited StatesRecord low minimum temperature13.3 C (55.9 F)2 of 100 (Routine)
Forbes (Camp Street)AustraliaRecord low maximum temperature9.4 C (48.9 F)1 of 100 (Routine)
StonecliffeCanadaRecord low maximum temperature19.4 C (66.9 F)1 of 100 (Routine)

Counts by Type and Timescale

18 records
Records on 21 July 1909 by type Records set or tied on 21 July 1909 by type: Highest daily maximum 1, Lowest daily maximum 9, Lowest daily minimum 4, Heaviest daily rainfall 4. 035810Highest daily maximum: 1Lowest daily maximum: 9Highest daily minimum: 0Lowest daily minimum: 4Heaviest daily rainfall: 4Heaviest daily snowfall: 0Deepest snow cover: 0Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 21 July 1909 by type: Highest daily maximum 1, Lowest daily maximum 9, Lowest daily minimum 4, Heaviest daily rainfall 4.
Records on 21 July 1909 by type
Record typeRecords
Highest daily maximum1
Lowest daily maximum9
Highest daily minimum0
Lowest daily minimum4
Heaviest daily rainfall4
Heaviest daily snowfall0
Deepest snow cover0
Records on 21 July 1909 by timescale Records on 21 July 1909 by timescale: all-time 0, monthly 0, daily 18. 05101520all-time: 0monthly: 0daily: 18all-timemonthlydaily
Records on 21 July 1909 by timescale: all-time 0, monthly 0, daily 18.
Records on 21 July 1909 by timescale
TimescaleRecords
all-time0
monthly0
daily18

How Much Records Were Beaten By

14 broken records
Histogram of margins by which records were beaten on 21 July 1909 Margins by which the 14 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 6.4. Ties are not counted. 02460 to 1: 61 to 2: 52 to 3: 23 to 4: 04 to 5: 05 to 6: 06 to 7: 10 to 11 to 22 to 33 to 44 to 55 to 66 to 7
Margins by which the 14 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 6.4. Ties are not counted.
Histogram of margins by which records were beaten on 21 July 1909
MarginRecords
0 to 16
1 to 25
2 to 32
3 to 40
4 to 50
5 to 60
6 to 71

Top 20 by Significance

21 July 1909
Top 18 records on 21 July 1909 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
21 July 1909Eurugabah Station, AUdaily rain17.8 mm (0.7 in)6.4 mm (0.25 in)13 years18 of 100 (Routine)
21 July 1909Wilmington Wb City, USdaily low min17.2 C (63.0 F)1.1 C (2.0 F)29 years16 of 100 (Routine)
21 July 1909Koebenhavn: Landbohojskolen-1, DKdaily low max16.0 C (60.8 F)1.2 C (2.2 F)31 years15 of 100 (Routine)
21 July 1909Sandvig, DKdaily low min10.8 C (51.4 F)0.4 C (0.7 F)31 years14 of 100 (Routine)
21 July 1909Gravenhurst, CAdaily low max18.3 C (64.9 F)2.3 C (4.1 F)9 years11 of 100 (Routine)
21 July 1909Port Stanley, CAdaily low max21.7 C (71.1 F)0.5 C (0.9 F)18 years9 of 100 (Routine)
21 July 1909Moruya Heads Pilot Station, AUdaily rain2.5 mm (0.10 in)1.0 mm (0.04 in)18 years8 of 100 (Routine)
21 July 1909Beatrice, CAdaily low max17.8 C (64.0 F)1.1 C (2.0 F)9 years8 of 100 (Routine)
21 July 1909Port Dover, CAdaily low max18.3 C (64.9 F)1.1 C (2.0 F)7 years8 of 100 (Routine)
21 July 1909Olympia Priest Pt Park, USdaily low min6.1 C (43.0 F)0.6 C (1.1 F)10 years8 of 100 (Routine)
21 July 1909Adelaide (Thorndon Park), AUdaily rain11.9 mm (0.5 in)0.7 mm (0.03 in)12 years7 of 100 (Routine)
21 July 1909Queanbeyan Bowling Club, AUdaily rain3.8 mm (0.15 in)2.3 mm (0.09 in)0 years6 of 100 (Routine)
21 July 1909Sandvig, DKdaily low max15.4 C (59.7 F)0.1 C (0.2 F)4 years4 of 100 (Routine)
21 July 1909St John's, CAdaily high max (Tie)28.3 C (82.9 F)tie31 years3 of 100 (Routine)
21 July 1909Nordby (Fano), DKdaily low max15.0 C (59.0 F)0.1 C (0.2 F)3 years3 of 100 (Routine)
21 July 1909Washington, USdaily low min (Tie)13.3 C (55.9 F)tie18 years2 of 100 (Routine)
21 July 1909Forbes (Camp Street), AUdaily low max (Tie)9.4 C (48.9 F)tie14 years1 of 100 (Routine)
21 July 1909Stonecliffe, CAdaily low max (Tie)19.4 C (66.9 F)tie9 years1 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

1794 to 1909
Records on 07-21 in each year Records set or tied on this calendar date in each year from 1794 to 1909. 1909 had 18 records. 05001,0001,5002,0001794: 11795: 11796: 11797: 11813: 21832: 21837: 11839: 11843: 11844: 21854: 11859: 31865: 31868: 31872: 11876: 11879: 21880: 11881: 11884: 11885: 11886: 21888: 21889: 31890: 21892: 31893: 31894: 31895: 11896: 31897: 41898: 71899: 21900: 61901: 131902: 121903: 101904: 81905: 131906: 131907: 121908: 251909: 181910: 121911: 371912: 521913: 411914: 481915: 811916: 721917: 1361918: 1301919: 511920: 331921: 551922: 481923: 1321924: 2861925: 2021926: 4011927: 1911928: 2051929: 3601930: 5211931: 5491932: 3221933: 2081934: 9651935: 2361936: 3221937: 2531938: 6381939: 4151940: 3181941: 2261942: 3181943: 2531944: 7161945: 3001946: 3981947: 7951948: 4031949: 6031950: 6621951: 4271952: 6571953: 3511954: 6561955: 5821956: 4901957: 4471958: 5311959: 9401960: 6511961: 3881962: 2631963: 4701964: 4571965: 7481966: 6261967: 3131968: 3341969: 6361970: 1,2411971: 4751972: 1,0461973: 8711974: 5361975: 3801976: 4771977: 7081978: 1,1551979: 9641980: 9261981: 1,3521982: 5881983: 1,2341984: 7641985: 5541986: 7911987: 1,0251988: 1,0151989: 9731990: 9141991: 8121992: 1,5621993: 8661994: 7731995: 1,2471996: 1,1411997: 8491998: 1,6741999: 8142000: 1,2302001: 8892002: 9902003: 1,2502004: 6942005: 1,4202006: 1,4792007: 1,1452008: 9892009: 1,3062010: 1,1482011: 1,4142012: 8152013: 5262014: 7622015: 7042016: 6452017: 4332018: 9352019: 7522020: 3612021: 5742022: 8632023: 8122024: 8742025: 8811794187918991915193119471963197919952011
Records set or tied on this calendar date in each year from 1794 to 1909. 1909 had 18 records.
Counts for years before the ledger starts come from the same station rules.
Records on 07-21 in each year
YearRecords
17941
17951
17961
17971
18132
18322
18371
18391
18431
18442
18541
18593
18653
18683
18721
18761
18792
18801
18811
18841
18851
18862
18882
18893
18902
18923
18933
18943
18951
18963
18974
18987
18992
19006
190113
190212
190310
19048
190513
190613
190712
190825
190918
191012
191137
191252
191341
191448
191581
191672
1917136
1918130
191951
192033
192155
192248
1923132
1924286
1925202
1926401
1927191
1928205
1929360
1930521
1931549
1932322
1933208
1934965
1935236
1936322
1937253
1938638
1939415
1940318
1941226
1942318
1943253
1944716
1945300
1946398
1947795
1948403
1949603
1950662
1951427
1952657
1953351
1954656
1955582
1956490
1957447
1958531
1959940
1960651
1961388
1962263
1963470
1964457
1965748
1966626
1967313
1968334
1969636
19701,241
1971475
19721,046
1973871
1974536
1975380
1976477
1977708
19781,155
1979964
1980926
19811,352
1982588
19831,234
1984764
1985554
1986791
19871,025
19881,015
1989973
1990914
1991812
19921,562
1993866
1994773
19951,247
19961,141
1997849
19981,674
1999814
20001,230
2001889
2002990
20031,250
2004694
20051,420
20061,479
20071,145
2008989
20091,306
20101,148
20111,414
2012815
2013526
2014762
2015704
2016645
2017433
2018935
2019752
2020361
2021574
2022863
2023812
2024874
2025881

Download the Data

  • Data for records on 1909-07-21: 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 2026-10-13 (13 October 2026). Records are computed by this site and are not official.

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