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Built 2026-10-19 (19 October 2026)

Weather Records on 4 August 1909

27 weather records were set or tied worldwide on 4 August 1909. Highest significance: Hvar, HR.

Key Facts for 4 August 1909

  • On 4 August 1909, 27 weather records were set or tied at long-record stations worldwide.
  • 5 were record highs and 16 were record lows, counting maximum and minimum temperature.
  • By timescale, 0 were all-time records, 0 monthly and 27 daily.
  • Hvar set a daily record precipitation of 40.0 mm (1.6 in) on 4 August 1909.
  • Across 165 earlier years (1815 to 2026) the same calendar date averaged 444 records.

Record Map

27 stations
Weather records on 4 August 1909 27 station records on 4 August 1909 are marked on the map, coloured by record type.
27 station records on 4 August 1909 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 4 August 1909: highest significance records shown on the map
StationCountryTypeValueSignificance
HvarCroatiaRecord daily precipitation40.0 mm (1.6 in)38 of 100 (Notable)
Warragul (Carbethon)AustraliaRecord daily precipitation29.7 mm (1.2 in)25 of 100 (Routine)
Atlantic City MarinaUnited StatesRecord daily precipitation61.0 mm (2.4 in)24 of 100 (Routine)
Bathurst GaolAustraliaRecord low maximum temperature5.6 C (42.1 F)22 of 100 (Routine)
SalzburgAustriaRecord low minimum temperature8.1 C (46.6 F)21 of 100 (Routine)
Zagreb-GricCroatiaRecord daily precipitation43.7 mm (1.7 in)20 of 100 (Routine)
SydneyCanadaRecord high maximum temperature31.1 C (88.0 F)19 of 100 (Routine)
HalifaxCanadaRecord high maximum temperature31.1 C (88.0 F)18 of 100 (Routine)
Wagga Wagga (Kooringal)AustraliaRecord low maximum temperature7.8 C (46.0 F)17 of 100 (Routine)
Trenton 2United StatesRecord low maximum temperature18.9 C (66.0 F)17 of 100 (Routine)
Ny City Cntrl ParkUnited StatesRecord low maximum temperature20.6 C (69.1 F)17 of 100 (Routine)
VinelandUnited StatesRecord daily precipitation22.9 mm (0.9 in)16 of 100 (Routine)
Augsburg (Sankt Stephan)GermanyRecord low maximum temperature16.5 C (61.7 F)14 of 100 (Routine)
Philadelphia CityUnited StatesRecord low maximum temperature19.4 C (66.9 F)14 of 100 (Routine)
World Trade CtrUnited StatesRecord low maximum temperature20.6 C (69.1 F)13 of 100 (Routine)
SalzburgAustriaRecord low maximum temperature13.4 C (56.1 F)12 of 100 (Routine)
CharlottetownCanadaRecord high maximum temperature29.4 C (84.9 F)12 of 100 (Routine)
Deniliquin (Wilkinson St)AustraliaRecord low maximum temperature10.6 C (51.1 F)11 of 100 (Routine)
Ny City Cntrl ParkUnited StatesRecord daily precipitation60.2 mm (2.4 in)11 of 100 (Routine)
HohenpeissenbergGermanyRecord low maximum temperature11.1 C (52.0 F)10 of 100 (Routine)
Santa FeUnited StatesRecord low maximum temperature22.8 C (73.0 F)10 of 100 (Routine)
Port ArthurCanadaRecord high minimum temperature16.7 C (62.1 F)9 of 100 (Routine)
DalhousieCanadaRecord high maximum temperature32.2 C (90.0 F)9 of 100 (Routine)
Munchen-NymphenburgGermanyRecord low maximum temperature16.0 C (60.8 F)9 of 100 (Routine)
HohenpeissenbergGermanyRecord low minimum temperature5.2 C (41.4 F)6 of 100 (Routine)
Atlantic City MarinaUnited StatesRecord low maximum temperature20.6 C (69.1 F)6 of 100 (Routine)
KarlsruheGermanyRecord low maximum temperature17.0 C (62.6 F)3 of 100 (Routine)

Counts by Type and Timescale

27 records
Records on 4 August 1909 by type Records set or tied on 4 August 1909 by type: Highest daily maximum 4, Lowest daily maximum 14, Highest daily minimum 1, Lowest daily minimum 2, Heaviest daily rainfall 6. 051015Highest daily maximum: 4Lowest daily maximum: 14Highest daily minimum: 1Lowest daily minimum: 2Heaviest daily rainfall: 6Heaviest daily snowfall: 0Deepest snow cover: 0Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 4 August 1909 by type: Highest daily maximum 4, Lowest daily maximum 14, Highest daily minimum 1, Lowest daily minimum 2, Heaviest daily rainfall 6.
Records on 4 August 1909 by type
Record typeRecords
Highest daily maximum4
Lowest daily maximum14
Highest daily minimum1
Lowest daily minimum2
Heaviest daily rainfall6
Heaviest daily snowfall0
Deepest snow cover0
Records on 4 August 1909 by timescale Records on 4 August 1909 by timescale: all-time 0, monthly 0, daily 27. 0102030all-time: 0monthly: 0daily: 27all-timemonthlydaily
Records on 4 August 1909 by timescale: all-time 0, monthly 0, daily 27.
Records on 4 August 1909 by timescale
TimescaleRecords
all-time0
monthly0
daily27

How Much Records Were Beaten By

26 broken records
Histogram of margins by which records were beaten on 4 August 1909 Margins by which the 26 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 29.2. Ties are not counted. 01020300 to 5: 225 to 10: 110 to 15: 115 to 20: 020 to 25: 025 to 30: 20 to 55 to 1010 to 1515 to 2020 to 2525 to 30
Margins by which the 26 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 29.2. Ties are not counted.
Histogram of margins by which records were beaten on 4 August 1909
MarginRecords
0 to 522
5 to 101
10 to 151
15 to 200
20 to 250
25 to 302

Top 20 by Significance

4 August 1909
Top 20 records on 4 August 1909 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
4 August 1909Hvar, HRdaily rain40.0 mm (1.6 in)29.2 mm (1.1 in)36 years38 of 100 (Notable)
4 August 1909Warragul (Carbethon), AUdaily rain29.7 mm (1.2 in)9.6 mm (0.38 in)28 years25 of 100 (Routine)
4 August 1909Atlantic City Marina, USdaily rain61.0 mm (2.4 in)27.0 mm (1.1 in)28 years24 of 100 (Routine)
4 August 1909Bathurst Gaol, AUdaily low max5.6 C (42.1 F)1.6 C (2.9 F)45 years22 of 100 (Routine)
4 August 1909Salzburg, ATdaily low min8.1 C (46.6 F)2.5 C (4.5 F)31 years21 of 100 (Routine)
4 August 1909Zagreb-Gric, HRdaily rain43.7 mm (1.7 in)14.3 mm (0.6 in)8 years20 of 100 (Routine)
4 August 1909Sydney, CAdaily high max31.1 C (88.0 F)2.2 C (4.0 F)32 years19 of 100 (Routine)
4 August 1909Halifax, CAdaily high max31.1 C (88.0 F)1.7 C (3.1 F)35 years18 of 100 (Routine)
4 August 1909Wagga Wagga (Kooringal), AUdaily low max7.8 C (46.0 F)1.1 C (2.0 F)36 years17 of 100 (Routine)
4 August 1909Trenton 2, USdaily low max18.9 C (66.0 F)3.9 C (7.0 F)6 years17 of 100 (Routine)
4 August 1909Ny City Cntrl Park, USdaily low max20.6 C (69.1 F)1.1 C (2.0 F)34 years17 of 100 (Routine)
4 August 1909Vineland, USdaily rain22.9 mm (0.9 in)0.5 mm (0.02 in)40 years16 of 100 (Routine)
4 August 1909Augsburg (Sankt Stephan), DEdaily low max16.5 C (61.7 F)1.6 C (2.9 F)26 years14 of 100 (Routine)
4 August 1909Philadelphia City, USdaily low max19.4 C (66.9 F)3.4 C (6.1 F)6 years14 of 100 (Routine)
4 August 1909World Trade Ctr, USdaily low max20.6 C (69.1 F)1.6 C (2.9 F)17 years13 of 100 (Routine)
4 August 1909Salzburg, ATdaily low max13.4 C (56.1 F)0.4 C (0.7 F)31 years12 of 100 (Routine)
4 August 1909Charlottetown, CAdaily high max29.4 C (84.9 F)0.5 C (0.9 F)26 years12 of 100 (Routine)
4 August 1909Deniliquin (Wilkinson St), AUdaily low max10.6 C (51.1 F)0.2 C (0.4 F)20 years11 of 100 (Routine)
4 August 1909Ny City Cntrl Park, USdaily rain60.2 mm (2.4 in)3.3 mm (0.13 in)20 years11 of 100 (Routine)
4 August 1909Hohenpeissenberg, DEdaily low max11.1 C (52.0 F)1.1 C (2.0 F)18 years10 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

1815 to 1909
Records on 08-04 in each year Records set or tied on this calendar date in each year from 1815 to 1909. 1909 had 27 records. 05001,0001,5002,0001815: 11827: 11830: 21833: 11835: 11843: 11846: 11847: 11848: 11857: 11859: 21860: 21863: 11865: 31867: 11868: 11870: 11871: 11872: 21874: 31875: 11878: 31879: 11881: 21882: 11883: 11885: 31886: 11887: 31888: 41889: 21890: 11891: 21893: 21894: 11895: 31896: 41897: 31898: 11899: 71900: 61902: 41903: 181904: 111905: 191906: 141907: 201908: 311909: 271910: 171911: 231912: 511913: 151914: 331915: 851916: 971917: 291918: 951919: 341920: 791921: 671922: 681923: 1461924: 1321925: 771926: 3341927: 1361928: 3521929: 2241930: 6981931: 3711932: 2581933: 3471934: 5211935: 3671936: 7191937: 2581938: 4891939: 4331940: 2361941: 3831942: 3031943: 4681944: 6621945: 3551946: 2651947: 8451948: 5581949: 4211950: 6661951: 6801952: 4651953: 1,0171954: 4261955: 6241956: 4371957: 3431958: 5331959: 3031960: 3311961: 7451962: 4701963: 4381964: 8851965: 4091966: 5521967: 4281968: 2801969: 6381970: 4151971: 8131972: 7731973: 7481974: 1,0401975: 7721976: 8011977: 5991978: 1,0511979: 5101980: 9981981: 6361982: 7031983: 9201984: 7221985: 6341986: 9051987: 8921988: 1,2041989: 7381990: 1,0131991: 7691992: 7541993: 1,0461994: 1,2651995: 1,1171996: 1,1431997: 8911998: 1,4231999: 7622000: 8402001: 1,0872002: 9282003: 1,3092004: 9682005: 1,2462006: 1,1312007: 6852008: 8832009: 6812010: 1,6652011: 1,5362012: 7382013: 4522014: 9802015: 5052016: 7322017: 1,1342018: 7602019: 4992020: 7782021: 6912022: 1,1852023: 1,1502024: 8092025: 8402026: 1,0441815187118941912192919461963198019972014
Records set or tied on this calendar date in each year from 1815 to 1909. 1909 had 27 records.
Counts for years before the ledger starts come from the same station rules.
Records on 08-04 in each year
YearRecords
18151
18271
18302
18331
18351
18431
18461
18471
18481
18571
18592
18602
18631
18653
18671
18681
18701
18711
18722
18743
18751
18783
18791
18812
18821
18831
18853
18861
18873
18884
18892
18901
18912
18932
18941
18953
18964
18973
18981
18997
19006
19024
190318
190411
190519
190614
190720
190831
190927
191017
191123
191251
191315
191433
191585
191697
191729
191895
191934
192079
192167
192268
1923146
1924132
192577
1926334
1927136
1928352
1929224
1930698
1931371
1932258
1933347
1934521
1935367
1936719
1937258
1938489
1939433
1940236
1941383
1942303
1943468
1944662
1945355
1946265
1947845
1948558
1949421
1950666
1951680
1952465
19531,017
1954426
1955624
1956437
1957343
1958533
1959303
1960331
1961745
1962470
1963438
1964885
1965409
1966552
1967428
1968280
1969638
1970415
1971813
1972773
1973748
19741,040
1975772
1976801
1977599
19781,051
1979510
1980998
1981636
1982703
1983920
1984722
1985634
1986905
1987892
19881,204
1989738
19901,013
1991769
1992754
19931,046
19941,265
19951,117
19961,143
1997891
19981,423
1999762
2000840
20011,087
2002928
20031,309
2004968
20051,246
20061,131
2007685
2008883
2009681
20101,665
20111,536
2012738
2013452
2014980
2015505
2016732
20171,134
2018760
2019499
2020778
2021691
20221,185
20231,150
2024809
2025840
20261,044

Download the Data

  • Data for records on 1909-08-04: 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).