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Built 2026-10-19 (19 October 2026)

Weather Records on 18 April 1903

11 weather records were set or tied worldwide on 18 April 1903. Highest significance: Uccle, BE.

Key Facts for 18 April 1903

  • On 18 April 1903, 11 weather records were set or tied at long-record stations worldwide.
  • 1 were record highs and 5 were record lows, counting maximum and minimum temperature.
  • By timescale, 0 were all-time records, 0 monthly and 11 daily.
  • Uccle set a daily record low maximum temperature of 6.2 C (43.2 F) on 18 April 1903.
  • Across 160 earlier years (1793 to 2026) the same calendar date averaged 470 records.

Record Map

11 stations
Weather records on 18 April 1903 11 station records on 18 April 1903 are marked on the map, coloured by record type.
11 station records on 18 April 1903 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 18 April 1903: highest significance records shown on the map
StationCountryTypeValueSignificance
UccleBelgiumRecord low maximum temperature6.2 C (43.2 F)22 of 100 (Routine)
SydneyCanadaRecord daily precipitation25.9 mm (1.0 in)21 of 100 (Routine)
UmeaSwedenRecord daily precipitation11.1 mm (0.4 in)20 of 100 (Routine)
Kirchdorf/PoelGermanyRecord snow depth1.0 cm (0.4 in)15 of 100 (Routine)
WienAustriaRecord low maximum temperature4.0 C (39.2 F)13 of 100 (Routine)
GalwayIrelandRecord low minimum temperature-0.6 C (30.9 F)9 of 100 (Routine)
Cape Otway LighthouseAustraliaRecord daily precipitation7.9 mm (0.31 in)8 of 100 (Routine)
WienAustriaRecord low minimum temperature-0.5 C (31.1 F)8 of 100 (Routine)
Dublin Phoenix ParkIrelandRecord low minimum temperature-0.3 C (31.5 F)8 of 100 (Routine)
Anticosti SW PointCanadaRecord daily snowfall0.8 cm (0.3 in)5 of 100 (Routine)
Bourke Post OfficeAustraliaRecord high maximum temperature35.0 C (95.0 F)4 of 100 (Routine)

Counts by Type and Timescale

11 records
Records on 18 April 1903 by type Records set or tied on 18 April 1903 by type: Highest daily maximum 1, Lowest daily maximum 2, Lowest daily minimum 3, Heaviest daily rainfall 3, Heaviest daily snowfall 1, Deepest snow cover 1. 0123Highest daily maximum: 1Lowest daily maximum: 2Highest daily minimum: 0Lowest daily minimum: 3Heaviest daily rainfall: 3Heaviest daily snowfall: 1Deepest snow cover: 1Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 18 April 1903 by type: Highest daily maximum 1, Lowest daily maximum 2, Lowest daily minimum 3, Heaviest daily rainfall 3, Heaviest daily snowfall 1, Deepest snow cover 1.
Records on 18 April 1903 by type
Record typeRecords
Highest daily maximum1
Lowest daily maximum2
Highest daily minimum0
Lowest daily minimum3
Heaviest daily rainfall3
Heaviest daily snowfall1
Deepest snow cover1
Records on 18 April 1903 by timescale Records on 18 April 1903 by timescale: all-time 0, monthly 0, daily 11. 051015all-time: 0monthly: 0daily: 11all-timemonthlydaily
Records on 18 April 1903 by timescale: all-time 0, monthly 0, daily 11.
Records on 18 April 1903 by timescale
TimescaleRecords
all-time0
monthly0
daily11

How Much Records Were Beaten By

11 broken records
Histogram of margins by which records were beaten on 18 April 1903 Margins by which the 11 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 10.0. Ties are not counted. 024680 to 2: 72 to 4: 14 to 6: 06 to 8: 18 to 10: 20 to 22 to 44 to 66 to 88 to 10
Margins by which the 11 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 10.0. Ties are not counted.
Histogram of margins by which records were beaten on 18 April 1903
MarginRecords
0 to 27
2 to 41
4 to 60
6 to 81
8 to 102

Top 20 by Significance

18 April 1903
Top 11 records on 18 April 1903 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
18 April 1903Uccle, BEdaily low max6.2 C (43.2 F)0.2 C (0.4 F)50 years22 of 100 (Routine)
18 April 1903Sydney, CAdaily rain25.9 mm (1.0 in)9.4 mm (0.37 in)27 years21 of 100 (Routine)
18 April 1903Umea, SEdaily rain11.1 mm (0.4 in)6.5 mm (0.26 in)14 years20 of 100 (Routine)
18 April 1903Kirchdorf/Poel, DEdaily snow depth1.0 cm (0.4 in)1.0 cm (0.4 in)37 years15 of 100 (Routine)
18 April 1903Wien, ATdaily low max4.0 C (39.2 F)1.1 C (2.0 F)25 years13 of 100 (Routine)
18 April 1903Galway, IEdaily low min-0.6 C (30.9 F)1.2 C (2.2 F)3 years9 of 100 (Routine)
18 April 1903Cape Otway Lighthouse, AUdaily rain7.9 mm (0.31 in)0.3 mm (0.01 in)18 years8 of 100 (Routine)
18 April 1903Wien, ATdaily low min-0.5 C (31.1 F)0.2 C (0.4 F)15 years8 of 100 (Routine)
18 April 1903Dublin Phoenix Park, IEdaily low min-0.3 C (31.5 F)0.2 C (0.4 F)18 years8 of 100 (Routine)
18 April 1903Anticosti SW Point, CAdaily snowfall0.8 cm (0.3 in)0.3 cm (0.1 in)9 years5 of 100 (Routine)
18 April 1903Bourke Post Office, AUdaily high max35.0 C (95.0 F)0.3 C (0.5 F)5 years4 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 1903
Records on 04-18 in each year Records set or tied on this calendar date in each year from 1793 to 1903. 1903 had 11 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 1903. 1903 had 11 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 1903-04-18: 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).