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Weather Records on 7 August 1909

11 weather records were set or tied worldwide on 7 August 1909. Highest significance: Buffalo, US.

Key Facts for 7 August 1909

  • On 7 August 1909, 11 weather records were set or tied at long-record stations worldwide.
  • 5 were record highs and 3 were record lows, counting maximum and minimum temperature.
  • By timescale, 0 were all-time records, 0 monthly and 11 daily.
  • Buffalo set a daily record high maximum temperature of 31.1 C (88.0 F) on 7 August 1909.
  • Across 163 earlier years (1808 to 2026) the same calendar date averaged 473 records.

Record Map

11 stations
Weather records on 7 August 1909 11 station records on 7 August 1909 are marked on the map, coloured by record type.
11 station records on 7 August 1909 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 7 August 1909: highest significance records shown on the map
StationCountryTypeValueSignificance
BuffaloUnited StatesRecord high maximum temperature31.1 C (88.0 F)21 of 100 (Routine)
Oran-Hopital MilitaireAlgeriaRecord daily precipitation0.3 mm (0.01 in)20 of 100 (Routine)
Parry SoundCanadaRecord high maximum temperature30.6 C (87.1 F)15 of 100 (Routine)
Olympia Priest Pt ParkUnited StatesRecord low minimum temperature5.0 C (41.0 F)14 of 100 (Routine)
Port ArthurCanadaRecord daily precipitation15.7 mm (0.6 in)13 of 100 (Routine)
QuebecCanadaRecord high maximum temperature29.4 C (84.9 F)12 of 100 (Routine)
Montgomery Wb CityUnited StatesRecord daily precipitation40.6 mm (1.6 in)10 of 100 (Routine)
Walgett Council DepotAustraliaRecord low minimum temperature-0.6 C (30.9 F)5 of 100 (Routine)
Melbourne Regional OfficeAustraliaRecord low minimum temperature1.1 C (34.0 F)4 of 100 (Routine)
Montreal McGillCanadaRecord high minimum temperature22.2 C (72.0 F)3 of 100 (Routine)
BeatriceCanadaRecord high maximum temperature28.9 C (84.0 F)2 of 100 (Routine)

Counts by Type and Timescale

11 records
Records on 7 August 1909 by type Records set or tied on 7 August 1909 by type: Highest daily maximum 4, Highest daily minimum 1, Lowest daily minimum 3, Heaviest daily rainfall 3. 01234Highest daily maximum: 4Lowest daily maximum: 0Highest daily minimum: 1Lowest daily minimum: 3Heaviest daily rainfall: 3Heaviest daily snowfall: 0Deepest snow cover: 0Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 7 August 1909 by type: Highest daily maximum 4, Highest daily minimum 1, Lowest daily minimum 3, Heaviest daily rainfall 3.
Records on 7 August 1909 by type
Record typeRecords
Highest daily maximum4
Lowest daily maximum0
Highest daily minimum1
Lowest daily minimum3
Heaviest daily rainfall3
Heaviest daily snowfall0
Deepest snow cover0
Records on 7 August 1909 by timescale Records on 7 August 1909 by timescale: all-time 0, monthly 0, daily 11. 051015all-time: 0monthly: 0daily: 11all-timemonthlydaily
Records on 7 August 1909 by timescale: all-time 0, monthly 0, daily 11.
Records on 7 August 1909 by timescale
TimescaleRecords
all-time0
monthly0
daily11

How Much Records Were Beaten By

8 broken records
Histogram of margins by which records were beaten on 7 August 1909 Margins by which the 8 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 8.6. Ties are not counted. 02460 to 2: 62 to 4: 14 to 6: 06 to 8: 08 to 10: 10 to 22 to 44 to 66 to 88 to 10
Margins by which the 8 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 8.6. Ties are not counted.
Histogram of margins by which records were beaten on 7 August 1909
MarginRecords
0 to 26
2 to 41
4 to 60
6 to 80
8 to 101

Top 20 by Significance

7 August 1909
Top 11 records on 7 August 1909 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
7 August 1909Buffalo, USdaily high max31.1 C (88.0 F)3.3 C (5.9 F)29 years21 of 100 (Routine)
7 August 1909Oran-Hopital Militaire, DZdaily rain0.3 mm (0.01 in)0.3 mm (0.01 in)56 years20 of 100 (Routine)
7 August 1909Parry Sound, CAdaily high max30.6 C (87.1 F)1.7 C (3.1 F)29 years15 of 100 (Routine)
7 August 1909Olympia Priest Pt Park, USdaily low min5.0 C (41.0 F)1.7 C (3.1 F)19 years14 of 100 (Routine)
7 August 1909Port Arthur, CAdaily rain15.7 mm (0.6 in)1.0 mm (0.04 in)31 years13 of 100 (Routine)
7 August 1909Quebec, CAdaily high max29.4 C (84.9 F)0.5 C (0.9 F)26 years12 of 100 (Routine)
7 August 1909Montgomery Wb City, USdaily rain40.6 mm (1.6 in)8.6 mm (0.34 in)0 years10 of 100 (Routine)
7 August 1909Walgett Council Depot, AUdaily low min-0.6 C (30.9 F)0.3 C (0.5 F)8 years5 of 100 (Routine)
7 August 1909Melbourne Regional Office, AUdaily low min (Tie)1.1 C (34.0 F)tie44 years4 of 100 (Routine)
7 August 1909Montreal McGill, CAdaily high min (Tie)22.2 C (72.0 F)tie32 years3 of 100 (Routine)
7 August 1909Beatrice, CAdaily high max (Tie)28.9 C (84.0 F)tie29 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

1808 to 1909
Records on 08-07 in each year Records set or tied on this calendar date in each year from 1808 to 1909. 1909 had 11 records. 05001,0001,5002,0001808: 11812: 11815: 11816: 11817: 11833: 21844: 11845: 11848: 11857: 31858: 11859: 21861: 11866: 11868: 11869: 31870: 21875: 11876: 51879: 11880: 21882: 11883: 11884: 21886: 11887: 21888: 51889: 21891: 31892: 31893: 11894: 11895: 71896: 21897: 21898: 41899: 11900: 61901: 31902: 51903: 171904: 81905: 81906: 91907: 101908: 131909: 111910: 11911: 361912: 311913: 391914: 241915: 401916: 501917: 211918: 1081919: 361920: 361921: 551922: 611923: 1011924: 1281925: 811926: 1151927: 1091928: 1881929: 1811930: 4861931: 3571932: 2491933: 3101934: 6081935: 5071936: 2861937: 4461938: 5681939: 5611940: 2711941: 3051942: 3401943: 6011944: 3321945: 8821946: 5001947: 4611948: 7561949: 5871950: 5411951: 5621952: 5561953: 3781954: 5891955: 5361956: 3211957: 8681958: 5711959: 3561960: 3441961: 3561962: 7181963: 5221964: 4461965: 5521966: 4001967: 7011968: 6001969: 5231970: 6521971: 9691972: 1,1721973: 5681974: 7461975: 1,1771976: 1,1681977: 6171978: 1,2101979: 5591980: 8711981: 8551982: 7271983: 1,2071984: 8401985: 1,0881986: 5441987: 1,1461988: 8971989: 1,4721990: 1,6251991: 1,2171992: 1,2361993: 1,0401994: 1,2621995: 1,5211996: 1,1071997: 1,4601998: 1,1831999: 9502000: 8712001: 1,3862002: 9072003: 1,2442004: 1,4002005: 8822006: 9232007: 1,3092008: 9182009: 1,1212010: 1,0982011: 1,2822012: 6882013: 6652014: 5012015: 1,0272016: 5052017: 9542018: 6362019: 6092020: 6052021: 3972022: 8802023: 1,2212024: 8352025: 7332026: 1,0471808187518971914193119481965198219992016
Records set or tied on this calendar date in each year from 1808 to 1909. 1909 had 11 records.
Counts for years before the ledger starts come from the same station rules.
Records on 08-07 in each year
YearRecords
18081
18121
18151
18161
18171
18332
18441
18451
18481
18573
18581
18592
18611
18661
18681
18693
18702
18751
18765
18791
18802
18821
18831
18842
18861
18872
18885
18892
18913
18923
18931
18941
18957
18962
18972
18984
18991
19006
19013
19025
190317
19048
19058
19069
190710
190813
190911
19101
191136
191231
191339
191424
191540
191650
191721
1918108
191936
192036
192155
192261
1923101
1924128
192581
1926115
1927109
1928188
1929181
1930486
1931357
1932249
1933310
1934608
1935507
1936286
1937446
1938568
1939561
1940271
1941305
1942340
1943601
1944332
1945882
1946500
1947461
1948756
1949587
1950541
1951562
1952556
1953378
1954589
1955536
1956321
1957868
1958571
1959356
1960344
1961356
1962718
1963522
1964446
1965552
1966400
1967701
1968600
1969523
1970652
1971969
19721,172
1973568
1974746
19751,177
19761,168
1977617
19781,210
1979559
1980871
1981855
1982727
19831,207
1984840
19851,088
1986544
19871,146
1988897
19891,472
19901,625
19911,217
19921,236
19931,040
19941,262
19951,521
19961,107
19971,460
19981,183
1999950
2000871
20011,386
2002907
20031,244
20041,400
2005882
2006923
20071,309
2008918
20091,121
20101,098
20111,282
2012688
2013665
2014501
20151,027
2016505
2017954
2018636
2019609
2020605
2021397
2022880
20231,221
2024835
2025733
20261,047

Download the Data

  • Data for records on 1909-08-07: 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).