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Weather Records on 27 July 1909

18 weather records were set or tied worldwide on 27 July 1909. Highest significance: Caledon (Pol), ZA.

Key Facts for 27 July 1909

  • On 27 July 1909, 18 weather records were set or tied at long-record stations worldwide.
  • 2 were record highs and 3 were record lows, counting maximum and minimum temperature.
  • By timescale, 0 were all-time records, 0 monthly and 18 daily.
  • Caledon (Pol) set a daily record precipitation of 34.8 mm (1.4 in) on 27 July 1909.
  • Across 162 earlier years (1805 to 2026) the same calendar date averaged 456 records.

Record Map

18 stations
Weather records on 27 July 1909 18 station records on 27 July 1909 are marked on the map, coloured by record type.
18 station records on 27 July 1909 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 27 July 1909: highest significance records shown on the map
StationCountryTypeValueSignificance
Caledon (Pol)South AfricaRecord daily precipitation34.8 mm (1.4 in)47 of 100 (Notable)
Tulbagh (Pol)South AfricaRecord daily precipitation30.7 mm (1.2 in)38 of 100 (Notable)
Royal ObservatorySouth AfricaRecord daily precipitation32.3 mm (1.3 in)27 of 100 (Routine)
Winnemucca APUnited StatesRecord low minimum temperature3.3 C (37.9 F)23 of 100 (Routine)
MalmesburySouth AfricaRecord daily precipitation22.6 mm (0.9 in)20 of 100 (Routine)
BredasdorpSouth AfricaRecord daily precipitation21.8 mm (0.9 in)20 of 100 (Routine)
RobertsonSouth AfricaRecord daily precipitation11.2 mm (0.4 in)16 of 100 (Routine)
Clanwilliam (Pol)South AfricaRecord daily precipitation8.6 mm (0.34 in)15 of 100 (Routine)
Munchen-NymphenburgGermanyRecord daily precipitation25.1 mm (1.0 in)14 of 100 (Routine)
ScheveningenNetherlandsRecord daily precipitation21.6 mm (0.9 in)13 of 100 (Routine)
Richmond C/K (Tnk)South AfricaRecord daily precipitation1.3 mm (0.05 in)13 of 100 (Routine)
Stellenbosch (Tnk)South AfricaRecord daily precipitation27.7 mm (1.1 in)12 of 100 (Routine)
George AirportSouth AfricaRecord daily precipitation3.1 mm (0.12 in)11 of 100 (Routine)
San Diego WboUnited StatesRecord low maximum temperature19.4 C (66.9 F)10 of 100 (Routine)
Wagga Wagga (Kooringal)AustraliaRecord high minimum temperature7.2 C (45.0 F)8 of 100 (Routine)
Winnemucca APUnited StatesRecord low maximum temperature21.7 C (71.1 F)7 of 100 (Routine)
West TerschellingNetherlandsRecord daily precipitation16.6 mm (0.7 in)6 of 100 (Routine)
Fredericton UnbCanadaRecord high maximum temperature29.4 C (84.9 F)5 of 100 (Routine)

Counts by Type and Timescale

18 records
Records on 27 July 1909 by type Records set or tied on 27 July 1909 by type: Highest daily maximum 1, Lowest daily maximum 2, Highest daily minimum 1, Lowest daily minimum 1, Heaviest daily rainfall 13. 051015Highest daily maximum: 1Lowest daily maximum: 2Highest daily minimum: 1Lowest daily minimum: 1Heaviest daily rainfall: 13Heaviest daily snowfall: 0Deepest snow cover: 0Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 27 July 1909 by type: Highest daily maximum 1, Lowest daily maximum 2, Highest daily minimum 1, Lowest daily minimum 1, Heaviest daily rainfall 13.
Records on 27 July 1909 by type
Record typeRecords
Highest daily maximum1
Lowest daily maximum2
Highest daily minimum1
Lowest daily minimum1
Heaviest daily rainfall13
Heaviest daily snowfall0
Deepest snow cover0
Records on 27 July 1909 by timescale Records on 27 July 1909 by timescale: all-time 0, monthly 0, daily 18. 05101520all-time: 0monthly: 0daily: 18all-timemonthlydaily
Records on 27 July 1909 by timescale: all-time 0, monthly 0, daily 18.
Records on 27 July 1909 by timescale
TimescaleRecords
all-time0
monthly0
daily18

How Much Records Were Beaten By

18 broken records
Histogram of margins by which records were beaten on 27 July 1909 Margins by which the 18 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 30.7. Ties are not counted. 0358100 to 5: 105 to 10: 410 to 15: 215 to 20: 020 to 25: 025 to 30: 130 to 35: 10 to 55 to 1010 to 1515 to 2020 to 2525 to 3030 to 35
Margins by which the 18 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 30.7. Ties are not counted.
Histogram of margins by which records were beaten on 27 July 1909
MarginRecords
0 to 510
5 to 104
10 to 152
15 to 200
20 to 250
25 to 301
30 to 351

Top 20 by Significance

27 July 1909
Top 18 records on 27 July 1909 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
27 July 1909Caledon (Pol), ZAdaily rain34.8 mm (1.4 in)30.7 mm (1.2 in)14 years47 of 100 (Notable)
27 July 1909Tulbagh (Pol), ZAdaily rain30.7 mm (1.2 in)25.1 mm (1.0 in)25 years38 of 100 (Notable)
27 July 1909Royal Observatory, ZAdaily rain32.3 mm (1.3 in)6.9 mm (0.27 in)46 years27 of 100 (Routine)
27 July 1909Winnemucca AP, USdaily low min3.3 C (37.9 F)5.0 C (9.0 F)20 years23 of 100 (Routine)
27 July 1909Malmesbury, ZAdaily rain22.6 mm (0.9 in)14.7 mm (0.6 in)12 years20 of 100 (Routine)
27 July 1909Bredasdorp, ZAdaily rain21.8 mm (0.9 in)11.6 mm (0.5 in)19 years20 of 100 (Routine)
27 July 1909Robertson, ZAdaily rain11.2 mm (0.4 in)4.8 mm (0.19 in)17 years16 of 100 (Routine)
27 July 1909Clanwilliam (Pol), ZAdaily rain8.6 mm (0.34 in)7.3 mm (0.29 in)6 years15 of 100 (Routine)
27 July 1909Munchen-Nymphenburg, DEdaily rain25.1 mm (1.0 in)2.7 mm (0.11 in)26 years14 of 100 (Routine)
27 July 1909Scheveningen, NLdaily rain21.6 mm (0.9 in)6.5 mm (0.26 in)6 years13 of 100 (Routine)
27 July 1909Richmond C/K (Tnk), ZAdaily rain1.3 mm (0.05 in)1.3 mm (0.05 in)30 years13 of 100 (Routine)
27 July 1909Stellenbosch (Tnk), ZAdaily rain27.7 mm (1.1 in)4.6 mm (0.18 in)18 years12 of 100 (Routine)
27 July 1909George Airport, ZAdaily rain3.1 mm (0.12 in)1.1 mm (0.04 in)25 years11 of 100 (Routine)
27 July 1909San Diego Wbo, USdaily low max19.4 C (66.9 F)0.6 C (1.1 F)14 years10 of 100 (Routine)
27 July 1909Wagga Wagga (Kooringal), AUdaily high min7.2 C (45.0 F)1.6 C (2.9 F)6 years8 of 100 (Routine)
27 July 1909Winnemucca AP, USdaily low max21.7 C (71.1 F)0.5 C (0.9 F)12 years7 of 100 (Routine)
27 July 1909West Terschelling, NLdaily rain16.6 mm (0.7 in)1.4 mm (0.06 in)6 years6 of 100 (Routine)
27 July 1909Fredericton Unb, CAdaily high max29.4 C (84.9 F)0.5 C (0.9 F)4 years5 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

1805 to 1909
Records on 07-27 in each year Records set or tied on this calendar date in each year from 1805 to 1909. 1909 had 18 records. 05001,0001,5002,0001805: 11815: 21820: 11832: 21847: 11852: 11856: 21857: 21862: 11863: 11867: 21868: 41870: 11871: 11872: 21873: 11875: 11876: 21877: 21881: 21882: 11883: 51884: 21886: 11887: 31888: 31889: 41890: 51891: 11893: 21894: 11895: 21896: 11897: 51898: 21899: 41900: 51901: 111902: 41903: 131904: 131905: 71906: 161907: 141908: 171909: 181910: 71911: 511912: 891913: 431914: 441915: 311916: 1431917: 461918: 1031919: 861920: 671921: 1231922: 951923: 1421924: 711925: 2341926: 1311927: 691928: 2221929: 1771930: 7861931: 4291932: 1721933: 4141934: 4711935: 2891936: 9711937: 4071938: 2871939: 2841940: 6321941: 4571942: 2581943: 3261944: 3981945: 3371946: 6801947: 3891948: 4851949: 4181950: 7971951: 2071952: 4761953: 2481954: 2941955: 5211956: 3251957: 3721958: 4911959: 3951960: 3851961: 2771962: 1,0091963: 5841964: 3351965: 4341966: 5941967: 5591968: 3911969: 5881970: 3791971: 1,0831972: 7901973: 7511974: 4031975: 5881976: 4261977: 8781978: 5831979: 7491980: 7601981: 1,2331982: 5841983: 1,4551984: 1,6131985: 5711986: 8361987: 1,1081988: 9361989: 1,1031990: 8461991: 7631992: 7911993: 1,3171994: 1,8511995: 1,1921996: 9501997: 1,1731998: 1,3631999: 8202000: 1,0192001: 1,2652002: 8162003: 1,0642004: 1,5522005: 1,7432006: 1,3212007: 9042008: 7842009: 8292010: 1,3302011: 1,0072012: 8232013: 1,1102014: 5912015: 7442016: 5642017: 4602018: 7372019: 5972020: 8422021: 1,1312022: 8552023: 8262024: 6462025: 8532026: 1,1701805187618981915193219491966198320002017
Records set or tied on this calendar date in each year from 1805 to 1909. 1909 had 18 records.
Counts for years before the ledger starts come from the same station rules.
Records on 07-27 in each year
YearRecords
18051
18152
18201
18322
18471
18521
18562
18572
18621
18631
18672
18684
18701
18711
18722
18731
18751
18762
18772
18812
18821
18835
18842
18861
18873
18883
18894
18905
18911
18932
18941
18952
18961
18975
18982
18994
19005
190111
19024
190313
190413
19057
190616
190714
190817
190918
19107
191151
191289
191343
191444
191531
1916143
191746
1918103
191986
192067
1921123
192295
1923142
192471
1925234
1926131
192769
1928222
1929177
1930786
1931429
1932172
1933414
1934471
1935289
1936971
1937407
1938287
1939284
1940632
1941457
1942258
1943326
1944398
1945337
1946680
1947389
1948485
1949418
1950797
1951207
1952476
1953248
1954294
1955521
1956325
1957372
1958491
1959395
1960385
1961277
19621,009
1963584
1964335
1965434
1966594
1967559
1968391
1969588
1970379
19711,083
1972790
1973751
1974403
1975588
1976426
1977878
1978583
1979749
1980760
19811,233
1982584
19831,455
19841,613
1985571
1986836
19871,108
1988936
19891,103
1990846
1991763
1992791
19931,317
19941,851
19951,192
1996950
19971,173
19981,363
1999820
20001,019
20011,265
2002816
20031,064
20041,552
20051,743
20061,321
2007904
2008784
2009829
20101,330
20111,007
2012823
20131,110
2014591
2015744
2016564
2017460
2018737
2019597
2020842
20211,131
2022855
2023826
2024646
2025853
20261,170

Download the Data

  • Data for records on 1909-07-27: 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).