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Built 2026-10-19 (19 October 2026)

Weather Records on 30 July 1909

30 weather records were set or tied worldwide on 30 July 1909. Highest significance: Windsor Riverside, CA.

Key Facts for 30 July 1909

  • On 30 July 1909, 30 weather records were set or tied at long-record stations worldwide.
  • 11 were record highs and 6 were record lows, counting maximum and minimum temperature.
  • By timescale, 0 were all-time records, 0 monthly and 30 daily.
  • Windsor Riverside set a daily record precipitation of 89.9 mm (3.5 in) on 30 July 1909.
  • Across 168 earlier years (1794 to 2026) the same calendar date averaged 443 records.

Record Map

30 stations
Weather records on 30 July 1909 30 station records on 30 July 1909 are marked on the map, coloured by record type.
30 station records on 30 July 1909 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 30 July 1909: highest significance records shown on the map
StationCountryTypeValueSignificance
Windsor RiversideCanadaRecord daily precipitation89.9 mm (3.5 in)44 of 100 (Notable)
RoermondNetherlandsRecord daily precipitation33.6 mm (1.3 in)42 of 100 (Notable)
Forbes (Camp Street)AustraliaRecord low maximum temperature9.6 C (49.3 F)18 of 100 (Routine)
CharltonAustraliaRecord daily precipitation8.9 mm (0.35 in)17 of 100 (Routine)
Walgett Council DepotAustraliaRecord low maximum temperature7.8 C (46.0 F)16 of 100 (Routine)
GoulburnAustraliaRecord daily precipitation1.5 mm (0.06 in)16 of 100 (Routine)
TranebjergDenmarkRecord low maximum temperature15.6 C (60.1 F)14 of 100 (Routine)
GalwayIrelandRecord low maximum temperature15.6 C (60.1 F)14 of 100 (Routine)
Fredericton UnbCanadaRecord high minimum temperature18.3 C (64.9 F)13 of 100 (Routine)
PortlandUnited StatesRecord high minimum temperature20.0 C (68.0 F)13 of 100 (Routine)
Berlin-Dahlem (Lfag)GermanyRecord daily precipitation9.9 mm (0.39 in)11 of 100 (Routine)
World Trade CtrUnited StatesRecord high minimum temperature23.9 C (75.0 F)11 of 100 (Routine)
Clare Post OfficeAustraliaRecord daily precipitation19.6 mm (0.8 in)10 of 100 (Routine)
Pointe Au PereCanadaRecord high minimum temperature13.9 C (57.0 F)10 of 100 (Routine)
ChicoutimiCanadaRecord daily precipitation15.2 mm (0.6 in)10 of 100 (Routine)
SandvigDenmarkRecord low maximum temperature15.5 C (59.9 F)10 of 100 (Routine)
Newark Liberty Intl APUnited StatesRecord high minimum temperature24.4 C (75.9 F)10 of 100 (Routine)
PortlandUnited StatesRecord high maximum temperature32.8 C (91.0 F)9 of 100 (Routine)
Walgett Council DepotAustraliaRecord daily precipitation6.1 mm (0.24 in)8 of 100 (Routine)
Mundarlo (Yabtree)AustraliaRecord daily precipitation7.1 mm (0.28 in)6 of 100 (Routine)
Heinersreuth-VollhofGermanyRecord daily precipitation12.5 mm (0.5 in)5 of 100 (Routine)
Wagga Wagga (Kooringal)AustraliaRecord daily precipitation5.6 mm (0.22 in)4 of 100 (Routine)
VestervigDenmarkRecord low maximum temperature14.4 C (57.9 F)4 of 100 (Routine)
Bourke Post OfficeAustraliaRecord daily precipitation1.8 mm (0.07 in)3 of 100 (Routine)
Santa FeUnited StatesRecord high minimum temperature17.2 C (63.0 F)3 of 100 (Routine)
Trenton 2United StatesRecord high maximum temperature34.4 C (93.9 F)2 of 100 (Routine)
Philadelphia CityUnited StatesRecord high maximum temperature35.0 C (95.0 F)2 of 100 (Routine)
World Trade CtrUnited StatesRecord high maximum temperature33.3 C (91.9 F)1 of 100 (Routine)
WangarattaAustraliaRecord daily precipitation9.7 mm (0.38 in)0 of 100 (Routine)
Montreal McGillCanadaRecord high minimum temperature20.6 C (69.1 F)0 of 100 (Routine)

Counts by Type and Timescale

30 records
Records on 30 July 1909 by type Records set or tied on 30 July 1909 by type: Highest daily maximum 4, Lowest daily maximum 6, Highest daily minimum 7, Heaviest daily rainfall 13. 051015Highest daily maximum: 4Lowest daily maximum: 6Highest daily minimum: 7Lowest daily minimum: 0Heaviest daily rainfall: 13Heaviest daily snowfall: 0Deepest snow cover: 0Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 30 July 1909 by type: Highest daily maximum 4, Lowest daily maximum 6, Highest daily minimum 7, Heaviest daily rainfall 13.
Records on 30 July 1909 by type
Record typeRecords
Highest daily maximum4
Lowest daily maximum6
Highest daily minimum7
Lowest daily minimum0
Heaviest daily rainfall13
Heaviest daily snowfall0
Deepest snow cover0
Records on 30 July 1909 by timescale Records on 30 July 1909 by timescale: all-time 0, monthly 0, daily 30. 0102030all-time: 0monthly: 0daily: 30all-timemonthlydaily
Records on 30 July 1909 by timescale: all-time 0, monthly 0, daily 30.
Records on 30 July 1909 by timescale
TimescaleRecords
all-time0
monthly0
daily30

How Much Records Were Beaten By

24 broken records
Histogram of margins by which records were beaten on 30 July 1909 Margins by which the 24 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 62.5. Ties are not counted. 01020300 to 10: 2210 to 20: 120 to 30: 030 to 40: 040 to 50: 050 to 60: 060 to 70: 10 to 1010 to 2020 to 3030 to 4040 to 5050 to 6060 to 70
Margins by which the 24 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 62.5. Ties are not counted.
Histogram of margins by which records were beaten on 30 July 1909
MarginRecords
0 to 1022
10 to 201
20 to 300
30 to 400
40 to 500
50 to 600
60 to 701

Top 20 by Significance

30 July 1909
Top 20 records on 30 July 1909 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
30 July 1909Windsor Riverside, CAdaily rain89.9 mm (3.5 in)62.5 mm (2.5 in)3 years44 of 100 (Notable)
30 July 1909Roermond, NLdaily rain33.6 mm (1.3 in)18.6 mm (0.7 in)20 years42 of 100 (Notable)
30 July 1909Forbes (Camp Street), AUdaily low max9.6 C (49.3 F)1.5 C (2.7 F)34 years18 of 100 (Routine)
30 July 1909Charlton, AUdaily rain8.9 mm (0.35 in)6.4 mm (0.25 in)29 years17 of 100 (Routine)
30 July 1909Walgett Council Depot, AUdaily low max7.8 C (46.0 F)3.9 C (7.0 F)8 years16 of 100 (Routine)
30 July 1909Goulburn, AUdaily rain1.5 mm (0.06 in)0.5 mm (0.02 in)37 years16 of 100 (Routine)
30 July 1909Tranebjerg, DKdaily low max15.6 C (60.1 F)1.6 C (2.9 F)20 years14 of 100 (Routine)
30 July 1909Galway, IEdaily low max15.6 C (60.1 F)1.1 C (2.0 F)25 years14 of 100 (Routine)
30 July 1909Fredericton Unb, CAdaily high min18.3 C (64.9 F)0.5 C (0.9 F)31 years13 of 100 (Routine)
30 July 1909Portland, USdaily high min20.0 C (68.0 F)1.1 C (2.0 F)22 years13 of 100 (Routine)
30 July 1909Berlin-Dahlem (Lfag), DEdaily rain9.9 mm (0.39 in)0.1 mm (0.00 in)26 years11 of 100 (Routine)
30 July 1909World Trade Ctr, USdaily high min23.9 C (75.0 F)0.6 C (1.1 F)21 years11 of 100 (Routine)
30 July 1909Clare Post Office, AUdaily rain19.6 mm (0.8 in)1.3 mm (0.05 in)18 years10 of 100 (Routine)
30 July 1909Pointe Au Pere, CAdaily high min13.9 C (57.0 F)0.6 C (1.1 F)18 years10 of 100 (Routine)
30 July 1909Chicoutimi, CAdaily rain15.2 mm (0.6 in)2.0 mm (0.08 in)19 years10 of 100 (Routine)
30 July 1909Sandvig, DKdaily low max15.5 C (59.9 F)0.9 C (1.6 F)15 years10 of 100 (Routine)
30 July 1909Newark Liberty Intl AP, USdaily high min24.4 C (75.9 F)0.5 C (0.9 F)10 years10 of 100 (Routine)
30 July 1909Portland, USdaily high max32.8 C (91.0 F)1.1 C (2.0 F)14 years9 of 100 (Routine)
30 July 1909Walgett Council Depot, AUdaily rain6.1 mm (0.24 in)3.3 mm (0.13 in)8 years8 of 100 (Routine)
30 July 1909Mundarlo (Yabtree), AUdaily rain7.1 mm (0.28 in)1.3 mm (0.05 in)6 years6 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 07-30 in each year Records set or tied on this calendar date in each year from 1794 to 1909. 1909 had 30 records. 01,0002,0003,0001794: 21797: 11827: 11828: 21829: 11830: 11834: 11837: 21838: 11840: 11841: 11843: 11854: 11857: 11858: 21860: 41863: 11867: 11868: 11869: 21870: 11874: 21875: 11876: 11877: 21879: 11880: 21885: 31886: 51887: 61888: 51889: 11890: 21891: 11892: 11893: 101894: 61895: 21896: 21897: 41898: 81899: 21900: 41901: 111902: 61903: 251904: 171905: 291906: 221907: 111908: 231909: 301910: 81911: 541912: 211913: 341914: 521915: 261916: 1501917: 931918: 421919: 191920: 1881921: 1931922: 401923: 4281924: 801925: 2751926: 1861927: 1091928: 2101929: 2211930: 1701931: 4321932: 2751933: 4511934: 6191935: 3401936: 4521937: 2451938: 3881939: 3951940: 5621941: 3711942: 3041943: 3971944: 2891945: 2991946: 4091947: 3941948: 4891949: 5121950: 5521951: 3221952: 5811953: 3451954: 5041955: 7871956: 5061957: 2891958: 3441959: 3911960: 7931961: 5111962: 3781963: 3081964: 4831965: 9781966: 5271967: 2821968: 5301969: 5061970: 4311971: 2,3191972: 7581973: 4341974: 5691975: 1,0481976: 5901977: 6411978: 6461979: 7611980: 9621981: 8511982: 8211983: 9041984: 9971985: 1,0291986: 9521987: 1,0841988: 8261989: 1,2271990: 7951991: 7341992: 1,0031993: 9651994: 1,6311995: 1,2071996: 1,3171997: 9331998: 1,2401999: 1,4562000: 1,0302001: 1,4002002: 1,3462003: 1,1632004: 9362005: 7882006: 1,1032007: 1,1602008: 7632009: 1,3282010: 1,3312011: 1,0032012: 7312013: 7372014: 1,1992015: 6822016: 4602017: 4642018: 1,0382019: 4862020: 7632021: 8392022: 8452023: 6832024: 7052025: 8692026: 1,0011794186718921909192619431960197719942011
Records set or tied on this calendar date in each year from 1794 to 1909. 1909 had 30 records.
Counts for years before the ledger starts come from the same station rules.
Records on 07-30 in each year
YearRecords
17942
17971
18271
18282
18291
18301
18341
18372
18381
18401
18411
18431
18541
18571
18582
18604
18631
18671
18681
18692
18701
18742
18751
18761
18772
18791
18802
18853
18865
18876
18885
18891
18902
18911
18921
189310
18946
18952
18962
18974
18988
18992
19004
190111
19026
190325
190417
190529
190622
190711
190823
190930
19108
191154
191221
191334
191452
191526
1916150
191793
191842
191919
1920188
1921193
192240
1923428
192480
1925275
1926186
1927109
1928210
1929221
1930170
1931432
1932275
1933451
1934619
1935340
1936452
1937245
1938388
1939395
1940562
1941371
1942304
1943397
1944289
1945299
1946409
1947394
1948489
1949512
1950552
1951322
1952581
1953345
1954504
1955787
1956506
1957289
1958344
1959391
1960793
1961511
1962378
1963308
1964483
1965978
1966527
1967282
1968530
1969506
1970431
19712,319
1972758
1973434
1974569
19751,048
1976590
1977641
1978646
1979761
1980962
1981851
1982821
1983904
1984997
19851,029
1986952
19871,084
1988826
19891,227
1990795
1991734
19921,003
1993965
19941,631
19951,207
19961,317
1997933
19981,240
19991,456
20001,030
20011,400
20021,346
20031,163
2004936
2005788
20061,103
20071,160
2008763
20091,328
20101,331
20111,003
2012731
2013737
20141,199
2015682
2016460
2017464
20181,038
2019486
2020763
2021839
2022845
2023683
2024705
2025869
20261,001

Download the Data

  • Data for records on 1909-07-30: 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).