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Built 2026-10-17 (17 October 2026)

Weather Records on 18 September 1908

11 weather records were set or tied worldwide on 18 September 1908. Highest significance: Caledon (Pol), ZA.

Key Facts for 18 September 1908

  • On 18 September 1908, 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.
  • Caledon (Pol) set a daily record precipitation of 19.1 mm (0.8 in) on 18 September 1908.
  • Across 163 earlier years (1803 to 2026) the same calendar date averaged 424 records.

Record Map

11 stations
Weather records on 18 September 1908 11 station records on 18 September 1908 are marked on the map, coloured by record type.
11 station records on 18 September 1908 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 18 September 1908: highest significance records shown on the map
StationCountryTypeValueSignificance
Caledon (Pol)South AfricaRecord daily precipitation19.1 mm (0.8 in)20 of 100 (Routine)
Saint JohnCanadaRecord high maximum temperature22.8 C (73.0 F)13 of 100 (Routine)
Royal ObservatorySouth AfricaRecord daily precipitation21.9 mm (0.9 in)13 of 100 (Routine)
Parry SoundCanadaRecord daily precipitation22.6 mm (0.9 in)11 of 100 (Routine)
PortlandUnited StatesRecord high minimum temperature16.1 C (61.0 F)9 of 100 (Routine)
ArmaghUnited KingdomRecord high minimum temperature12.8 C (55.0 F)6 of 100 (Routine)
Dublin Phoenix ParkIrelandRecord high minimum temperature13.9 C (57.0 F)5 of 100 (Routine)
San Diego WboUnited StatesRecord low maximum temperature18.3 C (64.9 F)5 of 100 (Routine)
Madison Wb CityUnited StatesRecord high maximum temperature30.6 C (87.1 F)2 of 100 (Routine)
Portland Rfc CityUnited StatesRecord low minimum temperature5.6 C (42.1 F)2 of 100 (Routine)
Wilmington Wb CityUnited StatesRecord low minimum temperature12.8 C (55.0 F)1 of 100 (Routine)

Counts by Type and Timescale

11 records
Records on 18 September 1908 by type Records set or tied on 18 September 1908 by type: Highest daily maximum 2, Lowest daily maximum 1, Highest daily minimum 3, Lowest daily minimum 2, Heaviest daily rainfall 3. 0123Highest daily maximum: 2Lowest daily maximum: 1Highest daily minimum: 3Lowest daily minimum: 2Heaviest daily rainfall: 3Heaviest daily snowfall: 0Deepest snow cover: 0Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 18 September 1908 by type: Highest daily maximum 2, Lowest daily maximum 1, Highest daily minimum 3, Lowest daily minimum 2, Heaviest daily rainfall 3.
Records on 18 September 1908 by type
Record typeRecords
Highest daily maximum2
Lowest daily maximum1
Highest daily minimum3
Lowest daily minimum2
Heaviest daily rainfall3
Heaviest daily snowfall0
Deepest snow cover0
Records on 18 September 1908 by timescale Records on 18 September 1908 by timescale: all-time 0, monthly 0, daily 11. 051015all-time: 0monthly: 0daily: 11all-timemonthlydaily
Records on 18 September 1908 by timescale: all-time 0, monthly 0, daily 11.
Records on 18 September 1908 by timescale
TimescaleRecords
all-time0
monthly0
daily11

How Much Records Were Beaten By

7 broken records
Histogram of margins by which records were beaten on 18 September 1908 Margins by which the 7 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 12.2. Ties are not counted. 02460 to 2: 52 to 4: 14 to 6: 06 to 8: 08 to 10: 010 to 12: 012 to 14: 10 to 22 to 44 to 66 to 88 to 1010 to 1212 to 14
Margins by which the 7 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 12.2. Ties are not counted.
Histogram of margins by which records were beaten on 18 September 1908
MarginRecords
0 to 25
2 to 41
4 to 60
6 to 80
8 to 100
10 to 120
12 to 141

Top 20 by Significance

18 September 1908
Top 11 records on 18 September 1908 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
18 September 1908Caledon (Pol), ZAdaily rain19.1 mm (0.8 in)12.2 mm (0.5 in)18 years20 of 100 (Routine)
18 September 1908Saint John, CAdaily high max22.8 C (73.0 F)1.1 C (2.0 F)24 years13 of 100 (Routine)
18 September 1908Royal Observatory, ZAdaily rain21.9 mm (0.9 in)0.3 mm (0.01 in)28 years13 of 100 (Routine)
18 September 1908Parry Sound, CAdaily rain22.6 mm (0.9 in)3.3 mm (0.13 in)18 years11 of 100 (Routine)
18 September 1908Portland, USdaily high min16.1 C (61.0 F)0.5 C (0.9 F)18 years9 of 100 (Routine)
18 September 1908Armagh, GBdaily high min (Tie)12.8 C (55.0 F)tie61 years6 of 100 (Routine)
18 September 1908Dublin Phoenix Park, IEdaily high min13.9 C (57.0 F)0.6 C (1.1 F)1 year5 of 100 (Routine)
18 September 1908San Diego Wbo, USdaily low max18.3 C (64.9 F)0.6 C (1.1 F)3 years5 of 100 (Routine)
18 September 1908Madison Wb City, USdaily high max (Tie)30.6 C (87.1 F)tie16 years2 of 100 (Routine)
18 September 1908Portland Rfc City, USdaily low min (Tie)5.6 C (42.1 F)tie27 years2 of 100 (Routine)
18 September 1908Wilmington Wb City, USdaily low min (Tie)12.8 C (55.0 F)tie6 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

1803 to 1908
Records on 09-18 in each year Records set or tied on this calendar date in each year from 1803 to 1908. 1908 had 11 records. 05001,0001,5002,0001803: 11811: 11814: 11819: 11829: 11832: 11834: 11835: 11837: 21847: 21848: 11849: 11851: 41859: 11861: 11865: 11869: 11871: 11875: 11876: 21877: 11879: 11880: 11881: 11882: 11885: 11886: 41889: 61890: 11891: 11893: 41894: 21895: 21896: 41897: 31898: 51899: 31900: 21901: 101902: 81903: 581904: 61905: 221906: 161907: 41908: 111909: 171910: 51911: 81912: 431913: 441914: 561915: 411916: 581917: 991918: 571919: 481920: 561921: 2131922: 451923: 1141924: 621925: 2691926: 2051927: 1891928: 1141929: 3091930: 1241931: 4291932: 2261933: 3701934: 1881935: 2811936: 1551937: 4221938: 3731939: 1901940: 4021941: 3181942: 1,0011943: 6241944: 5031945: 7321946: 5761947: 9271948: 4271949: 3561950: 3701951: 3201952: 3401953: 2451954: 4461955: 6721956: 5871957: 4291958: 4911959: 8291960: 3511961: 4781962: 3601963: 4531964: 2821965: 1,1721966: 4981967: 3571968: 7631969: 4241970: 3771971: 1,2451972: 6911973: 5931974: 5591975: 9761976: 6151977: 6191978: 1,1621979: 7091980: 6521981: 1,6711982: 6031983: 9361984: 9511985: 6361986: 7301987: 1,2441988: 9971989: 7781990: 9041991: 1,3771992: 8211993: 7471994: 8521995: 9351996: 1,2371997: 9351998: 1,0381999: 5832000: 1,1462001: 9932002: 8282003: 8152004: 1,0272005: 7812006: 1,3092007: 6702008: 6972009: 6922010: 1,0402011: 1,0502012: 9222013: 6662014: 6822015: 9342016: 8932017: 5182018: 1,2002019: 7682020: 6822021: 5822022: 6132023: 6392024: 6872025: 4712026: 8641803187118971914193119481965198219992016
Records set or tied on this calendar date in each year from 1803 to 1908. 1908 had 11 records.
Counts for years before the ledger starts come from the same station rules.
Records on 09-18 in each year
YearRecords
18031
18111
18141
18191
18291
18321
18341
18351
18372
18472
18481
18491
18514
18591
18611
18651
18691
18711
18751
18762
18771
18791
18801
18811
18821
18851
18864
18896
18901
18911
18934
18942
18952
18964
18973
18985
18993
19002
190110
19028
190358
19046
190522
190616
19074
190811
190917
19105
19118
191243
191344
191456
191541
191658
191799
191857
191948
192056
1921213
192245
1923114
192462
1925269
1926205
1927189
1928114
1929309
1930124
1931429
1932226
1933370
1934188
1935281
1936155
1937422
1938373
1939190
1940402
1941318
19421,001
1943624
1944503
1945732
1946576
1947927
1948427
1949356
1950370
1951320
1952340
1953245
1954446
1955672
1956587
1957429
1958491
1959829
1960351
1961478
1962360
1963453
1964282
19651,172
1966498
1967357
1968763
1969424
1970377
19711,245
1972691
1973593
1974559
1975976
1976615
1977619
19781,162
1979709
1980652
19811,671
1982603
1983936
1984951
1985636
1986730
19871,244
1988997
1989778
1990904
19911,377
1992821
1993747
1994852
1995935
19961,237
1997935
19981,038
1999583
20001,146
2001993
2002828
2003815
20041,027
2005781
20061,309
2007670
2008697
2009692
20101,040
20111,050
2012922
2013666
2014682
2015934
2016893
2017518
20181,200
2019768
2020682
2021582
2022613
2023639
2024687
2025471
2026864

Download the Data

  • Data for records on 1908-09-18: 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 2026-10-14 (14 October 2026). Records are computed by this site and are not official.

Data as of . Last revised (2026-10-15).