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Built 2026-10-19 (19 October 2026)

Weather Records on 20 July 1909

6 weather records were set or tied worldwide on 20 July 1909. Highest significance: Glenthompson (Brie Brie), AU.

Key Facts for 20 July 1909

  • On 20 July 1909, 6 weather records were set or tied at long-record stations worldwide.
  • 0 were record highs and 5 were record lows, counting maximum and minimum temperature.
  • By timescale, 0 were all-time records, 0 monthly and 6 daily.
  • Glenthompson (Brie Brie) set a daily record precipitation of 16.5 mm (0.6 in) on 20 July 1909.
  • Across 161 earlier years (1809 to 2026) the same calendar date averaged 462 records.

Record Map

6 stations
Weather records on 20 July 1909 6 station records on 20 July 1909 are marked on the map, coloured by record type.
6 station records on 20 July 1909 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 20 July 1909: highest significance records shown on the map
StationCountryTypeValueSignificance
Glenthompson (Brie Brie)AustraliaRecord daily precipitation16.5 mm (0.6 in)20 of 100 (Routine)
Oran-Hopital MilitaireAlgeriaRecord low minimum temperature16.0 C (60.8 F)16 of 100 (Routine)
VestervigDenmarkRecord low maximum temperature13.9 C (57.0 F)10 of 100 (Routine)
Berlin-DahlemGermanyRecord low minimum temperature9.8 C (49.6 F)6 of 100 (Routine)
Wilmington Wb CityUnited StatesRecord low minimum temperature17.2 C (63.0 F)2 of 100 (Routine)
Little Rock St CapitolUnited StatesRecord low minimum temperature18.9 C (66.0 F)1 of 100 (Routine)

Counts by Type and Timescale

6 records
Records on 20 July 1909 by type Records set or tied on 20 July 1909 by type: Lowest daily maximum 1, Lowest daily minimum 4, Heaviest daily rainfall 1. 01234Highest daily maximum: 0Lowest daily maximum: 1Highest daily minimum: 0Lowest daily minimum: 4Heaviest daily rainfall: 1Heaviest daily snowfall: 0Deepest snow cover: 0Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 20 July 1909 by type: Lowest daily maximum 1, Lowest daily minimum 4, Heaviest daily rainfall 1.
Records on 20 July 1909 by type
Record typeRecords
Highest daily maximum0
Lowest daily maximum1
Highest daily minimum0
Lowest daily minimum4
Heaviest daily rainfall1
Heaviest daily snowfall0
Deepest snow cover0
Records on 20 July 1909 by timescale Records on 20 July 1909 by timescale: all-time 0, monthly 0, daily 6. 0246all-time: 0monthly: 0daily: 6all-timemonthlydaily
Records on 20 July 1909 by timescale: all-time 0, monthly 0, daily 6.
Records on 20 July 1909 by timescale
TimescaleRecords
all-time0
monthly0
daily6

How Much Records Were Beaten By

4 broken records
Histogram of margins by which records were beaten on 20 July 1909 Margins by which the 4 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 9.9. Ties are not counted. 01230 to 2: 32 to 4: 04 to 6: 06 to 8: 08 to 10: 10 to 22 to 44 to 66 to 88 to 10
Margins by which the 4 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 9.9. Ties are not counted.
Histogram of margins by which records were beaten on 20 July 1909
MarginRecords
0 to 23
2 to 40
4 to 60
6 to 80
8 to 101

Top 20 by Significance

20 July 1909
Top 6 records on 20 July 1909 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
20 July 1909Glenthompson (Brie Brie), AUdaily rain16.5 mm (0.6 in)9.9 mm (0.39 in)20 years20 of 100 (Routine)
20 July 1909Oran-Hopital Militaire, DZdaily low min16.0 C (60.8 F)1.0 C (1.8 F)20 years16 of 100 (Routine)
20 July 1909Vestervig, DKdaily low max13.9 C (57.0 F)0.3 C (0.5 F)23 years10 of 100 (Routine)
20 July 1909Berlin-Dahlem, DEdaily low min9.8 C (49.6 F)0.1 C (0.2 F)10 years6 of 100 (Routine)
20 July 1909Wilmington Wb City, USdaily low min (Tie)17.2 C (63.0 F)tie29 years2 of 100 (Routine)
20 July 1909Little Rock St Capitol, USdaily low min (Tie)18.9 C (66.0 F)tie14 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

1809 to 1909
Records on 07-20 in each year Records set or tied on this calendar date in each year from 1809 to 1909. 1909 had 6 records. 05001,0001,5002,0001809: 11810: 11811: 21832: 21844: 21850: 11859: 21863: 11865: 41866: 11867: 11868: 11870: 11872: 11874: 21876: 11877: 21879: 31880: 11881: 21882: 11883: 21885: 11886: 21887: 11888: 11889: 21890: 51892: 71893: 11894: 11895: 11897: 41898: 21899: 41900: 91901: 31902: 131903: 61904: 101905: 61906: 81907: 121908: 311909: 61910: 271911: 121912: 331913: 281914: 201915: 1631916: 1171917: 571918: 531919: 401920: 161921: 551922: 521923: 1731924: 1121925: 1251926: 4111927: 1061928: 3661929: 4801930: 5981931: 3621932: 3381933: 2011934: 8571935: 3861936: 3581937: 2131938: 3921939: 3361940: 3251941: 2701942: 6091943: 3261944: 4701945: 2781946: 4821947: 6351948: 3851949: 8071950: 5631951: 4481952: 4881953: 3161954: 5121955: 3771956: 5451957: 3511958: 5361959: 6051960: 7581961: 3381962: 3271963: 4571964: 4161965: 1,1101966: 4691967: 4551968: 3891969: 6491970: 8901971: 6191972: 1,0621973: 8041974: 4891975: 4701976: 5801977: 8991978: 6631979: 1,2491980: 9251981: 1,0481982: 5801983: 1,1171984: 7991985: 6041986: 8481987: 1,1561988: 1,1031989: 1,1831990: 7241991: 1,0241992: 1,1371993: 9011994: 6111995: 9611996: 1,3651997: 9031998: 1,6821999: 8152000: 1,3932001: 7552002: 9862003: 1,3132004: 9782005: 1,2662006: 1,4872007: 1,1242008: 6632009: 1,5332010: 1,1542011: 1,3392012: 8172013: 8502014: 1,0002015: 8122016: 7442017: 3982018: 9302019: 8672020: 5242021: 6832022: 1,1082023: 8122024: 7372025: 6802026: 8631809187918991916193319501967198420012018
Records set or tied on this calendar date in each year from 1809 to 1909. 1909 had 6 records.
Counts for years before the ledger starts come from the same station rules.
Records on 07-20 in each year
YearRecords
18091
18101
18112
18322
18442
18501
18592
18631
18654
18661
18671
18681
18701
18721
18742
18761
18772
18793
18801
18812
18821
18832
18851
18862
18871
18881
18892
18905
18927
18931
18941
18951
18974
18982
18994
19009
19013
190213
19036
190410
19056
19068
190712
190831
19096
191027
191112
191233
191328
191420
1915163
1916117
191757
191853
191940
192016
192155
192252
1923173
1924112
1925125
1926411
1927106
1928366
1929480
1930598
1931362
1932338
1933201
1934857
1935386
1936358
1937213
1938392
1939336
1940325
1941270
1942609
1943326
1944470
1945278
1946482
1947635
1948385
1949807
1950563
1951448
1952488
1953316
1954512
1955377
1956545
1957351
1958536
1959605
1960758
1961338
1962327
1963457
1964416
19651,110
1966469
1967455
1968389
1969649
1970890
1971619
19721,062
1973804
1974489
1975470
1976580
1977899
1978663
19791,249
1980925
19811,048
1982580
19831,117
1984799
1985604
1986848
19871,156
19881,103
19891,183
1990724
19911,024
19921,137
1993901
1994611
1995961
19961,365
1997903
19981,682
1999815
20001,393
2001755
2002986
20031,313
2004978
20051,266
20061,487
20071,124
2008663
20091,533
20101,154
20111,339
2012817
2013850
20141,000
2015812
2016744
2017398
2018930
2019867
2020524
2021683
20221,108
2023812
2024737
2025680
2026863

Download the Data

  • Data for records on 1909-07-20: 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).