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Built 2026-10-19 (19 October 2026)

Weather Records on 18 April 1909

19 weather records were set or tied worldwide on 18 April 1909. Highest significance: Milan, IT.

Key Facts for 18 April 1909

  • On 18 April 1909, 19 weather records were set or tied at long-record stations worldwide.
  • 11 were record highs and 1 were record lows, counting maximum and minimum temperature.
  • By timescale, 0 were all-time records, 1 monthly and 18 daily.
  • Milan set a daily record high maximum temperature of 26.5 C (79.7 F) on 18 April 1909.
  • Across 160 earlier years (1793 to 2026) the same calendar date averaged 470 records.

Record Map

19 stations
Weather records on 18 April 1909 19 station records on 18 April 1909 are marked on the map, coloured by record type.
19 station records on 18 April 1909 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 18 April 1909: highest significance records shown on the map
StationCountryTypeValueSignificance
MilanItalyRecord high maximum temperature26.5 C (79.7 F)26 of 100 (Routine)
OrilliaCanadaRecord daily precipitation18.5 mm (0.7 in)20 of 100 (Routine)
Passau-MaierhofGermanyRecord daily precipitation9.1 mm (0.36 in)19 of 100 (Routine)
BambergGermanyRecord high maximum temperature24.9 C (76.8 F)17 of 100 (Routine)
Jena SternwarteGermanyRecord high maximum temperature25.5 C (77.9 F)17 of 100 (Routine)
Olympia Priest Pt ParkUnited StatesRecord low minimum temperature-3.9 C (25.0 F)15 of 100 (Routine)
Heinersreuth-VollhofGermanyRecord high maximum temperature22.3 C (72.1 F)14 of 100 (Routine)
NurnbergGermanyRecord high maximum temperature22.7 C (72.9 F)13 of 100 (Routine)
SouthamptonCanadaRecord daily precipitation13.7 mm (0.5 in)10 of 100 (Routine)
Fredericton UnbCanadaRecord daily snowfall10.2 cm (4.0 in)10 of 100 (Routine)
Brisbane Regional OfficeAustraliaRecord daily precipitation13.2 mm (0.5 in)8 of 100 (Routine)
RegensburgGermanyRecord high maximum temperature23.2 C (73.8 F)8 of 100 (Routine)
Munchen-NymphenburgGermanyRecord high maximum temperature21.2 C (70.2 F)4 of 100 (Routine)
Augsburg (Sankt Stephan)GermanyRecord high maximum temperature20.3 C (68.5 F)3 of 100 (Routine)
WarraweenaAustraliaRecord daily precipitation10.2 mm (0.4 in)2 of 100 (Routine)
Wilmington Wb CityUnited StatesRecord high maximum temperature26.1 C (79.0 F)2 of 100 (Routine)
Port DoverCanadaRecord high maximum temperature21.7 C (71.1 F)1 of 100 (Routine)
CharlottetownCanadaRecord daily snowfall8.9 cm (3.5 in)1 of 100 (Routine)
SalzburgAustriaRecord high maximum temperature22.5 C (72.5 F)0 of 100 (Routine)

Counts by Type and Timescale

19 records
Records on 18 April 1909 by type Records set or tied on 18 April 1909 by type: Highest daily maximum 11, Lowest daily minimum 1, Heaviest daily rainfall 5, Heaviest daily snowfall 2. 051015Highest daily maximum: 11Lowest daily maximum: 0Highest daily minimum: 0Lowest daily minimum: 1Heaviest daily rainfall: 5Heaviest daily snowfall: 2Deepest snow cover: 0Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 18 April 1909 by type: Highest daily maximum 11, Lowest daily minimum 1, Heaviest daily rainfall 5, Heaviest daily snowfall 2.
Records on 18 April 1909 by type
Record typeRecords
Highest daily maximum11
Lowest daily maximum0
Highest daily minimum0
Lowest daily minimum1
Heaviest daily rainfall5
Heaviest daily snowfall2
Deepest snow cover0
Records on 18 April 1909 by timescale Records on 18 April 1909 by timescale: all-time 0, monthly 1, daily 18. 05101520all-time: 0monthly: 1daily: 18all-timemonthlydaily
Records on 18 April 1909 by timescale: all-time 0, monthly 1, daily 18.
Records on 18 April 1909 by timescale
TimescaleRecords
all-time0
monthly1
daily18

How Much Records Were Beaten By

14 broken records
Histogram of margins by which records were beaten on 18 April 1909 Margins by which the 14 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 26.0. Ties are not counted. 0510150 to 5: 125 to 10: 110 to 15: 015 to 20: 020 to 25: 025 to 30: 10 to 55 to 1010 to 1515 to 2020 to 2525 to 30
Margins by which the 14 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 26.0. Ties are not counted.
Histogram of margins by which records were beaten on 18 April 1909
MarginRecords
0 to 512
5 to 101
10 to 150
15 to 200
20 to 250
25 to 301

Top 20 by Significance

18 April 1909
Top 19 records on 18 April 1909 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
18 April 1909Milan, ITdaily high max26.5 C (79.7 F)1.2 C (2.2 F)43 years26 of 100 (Routine)
18 April 1909Orillia, CAdaily rain18.5 mm (0.7 in)5.0 mm (0.20 in)31 years20 of 100 (Routine)
18 April 1909Passau-Maierhof, DEdaily rain9.1 mm (0.36 in)3.9 mm (0.15 in)29 years19 of 100 (Routine)
18 April 1909Bamberg, DEdaily high max24.9 C (76.8 F)3.7 C (6.7 F)23 years17 of 100 (Routine)
18 April 1909Jena Sternwarte, DEdaily high max25.5 C (77.9 F)2.9 C (5.2 F)13 years17 of 100 (Routine)
18 April 1909Olympia Priest Pt Park, USmonthly low min-3.9 C (25.0 F)0.6 C (1.1 F)3 years15 of 100 (Routine)
18 April 1909Heinersreuth-Vollhof, DEdaily high max22.3 C (72.1 F)2.4 C (4.3 F)23 years14 of 100 (Routine)
18 April 1909Nurnberg, DEdaily high max22.7 C (72.9 F)1.9 C (3.4 F)23 years13 of 100 (Routine)
18 April 1909Southampton, CAdaily rain13.7 mm (0.5 in)2.5 mm (0.10 in)8 years10 of 100 (Routine)
18 April 1909Fredericton Unb, CAdaily snowfall10.2 cm (4.0 in)2.6 cm (1.0 in)15 years10 of 100 (Routine)
18 April 1909Brisbane Regional Office, AUdaily rain13.2 mm (0.5 in)1.0 mm (0.04 in)9 years8 of 100 (Routine)
18 April 1909Regensburg, DEdaily high max23.2 C (73.8 F)2.6 C (4.7 F)3 years8 of 100 (Routine)
18 April 1909Munchen-Nymphenburg, DEdaily high max21.2 C (70.2 F)0.6 C (1.1 F)3 years4 of 100 (Routine)
18 April 1909Augsburg (Sankt Stephan), DEdaily high max20.3 C (68.5 F)0.2 C (0.4 F)3 years3 of 100 (Routine)
18 April 1909Warraweena, AUdaily rain (Tie)10.2 mm (0.4 in)tie28 years2 of 100 (Routine)
18 April 1909Wilmington Wb City, USdaily high max (Tie)26.1 C (79.0 F)tie27 years2 of 100 (Routine)
18 April 1909Port Dover, CAdaily high max (Tie)21.7 C (71.1 F)tie12 years1 of 100 (Routine)
18 April 1909Charlottetown, CAdaily snowfall (Tie)8.9 cm (3.5 in)tie15 years1 of 100 (Routine)
18 April 1909Salzburg, ATdaily high max (Tie)22.5 C (72.5 F)tie3 years0 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

1793 to 1909
Records on 04-18 in each year Records set or tied on this calendar date in each year from 1793 to 1909. 1909 had 19 records. 01,0002,0003,0001793: 11807: 21815: 11838: 11847: 11849: 11851: 11852: 31854: 31855: 11865: 41867: 11870: 11871: 11875: 41877: 21878: 11879: 31880: 21884: 21886: 21887: 31888: 11889: 11890: 21891: 11892: 31893: 51894: 71895: 21896: 31897: 51898: 81899: 21900: 21901: 61902: 51903: 111904: 91905: 121906: 181907: 171908: 371909: 191910: 191911: 251912: 211913: 261914: 381915: 311916: 221917: 401918: 761919: 161920: 641921: 581922: 851923: 1071924: 1011925: 1541926: 3221927: 3911928: 3231929: 1261930: 1131931: 1731932: 3261933: 2111934: 3911935: 2641936: 4831937: 4771938: 7111939: 5251940: 3221941: 4961942: 2871943: 2981944: 2591945: 3711946: 3571947: 4441948: 9321949: 3451950: 2441951: 6581952: 5361953: 1,3221954: 4421955: 8171956: 4671957: 6291958: 3701959: 4681960: 3201961: 5201962: 4841963: 6621964: 4491965: 3631966: 7761967: 8821968: 8671969: 7951970: 7711971: 1,1061972: 4701973: 9531974: 3261975: 7511976: 1,3091977: 7171978: 8031979: 8411980: 8421981: 7081982: 6161983: 2,0821984: 6251985: 1,1191986: 6221987: 1,0681988: 9361989: 6251990: 1,3681991: 7801992: 7021993: 7301994: 1,2181995: 1,6011996: 8261997: 1,2561998: 1,0111999: 1,4282000: 9122001: 1,4872002: 2,0842003: 9692004: 8462005: 6222006: 1,2622007: 6752008: 9132009: 6242010: 4782011: 1,1222012: 7442013: 2,5092014: 5342015: 5192016: 9732017: 5882018: 1,2022019: 6012020: 7702021: 5922022: 1,0132023: 7392024: 6412025: 9972026: 4981793187919001917193419511968198520022019
Records set or tied on this calendar date in each year from 1793 to 1909. 1909 had 19 records.
Counts for years before the ledger starts come from the same station rules.
Records on 04-18 in each year
YearRecords
17931
18072
18151
18381
18471
18491
18511
18523
18543
18551
18654
18671
18701
18711
18754
18772
18781
18793
18802
18842
18862
18873
18881
18891
18902
18911
18923
18935
18947
18952
18963
18975
18988
18992
19002
19016
19025
190311
19049
190512
190618
190717
190837
190919
191019
191125
191221
191326
191438
191531
191622
191740
191876
191916
192064
192158
192285
1923107
1924101
1925154
1926322
1927391
1928323
1929126
1930113
1931173
1932326
1933211
1934391
1935264
1936483
1937477
1938711
1939525
1940322
1941496
1942287
1943298
1944259
1945371
1946357
1947444
1948932
1949345
1950244
1951658
1952536
19531,322
1954442
1955817
1956467
1957629
1958370
1959468
1960320
1961520
1962484
1963662
1964449
1965363
1966776
1967882
1968867
1969795
1970771
19711,106
1972470
1973953
1974326
1975751
19761,309
1977717
1978803
1979841
1980842
1981708
1982616
19832,082
1984625
19851,119
1986622
19871,068
1988936
1989625
19901,368
1991780
1992702
1993730
19941,218
19951,601
1996826
19971,256
19981,011
19991,428
2000912
20011,487
20022,084
2003969
2004846
2005622
20061,262
2007675
2008913
2009624
2010478
20111,122
2012744
20132,509
2014534
2015519
2016973
2017588
20181,202
2019601
2020770
2021592
20221,013
2023739
2024641
2025997
2026498

Download the Data

  • Data for records on 1909-04-18: 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 2026-10-17 (17 October 2026). Records are computed by this site and are not official.

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