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Built 2026-10-19 (19 October 2026)

Weather Records on 18 April 1911

25 weather records were set or tied worldwide on 18 April 1911. Highest significance: Little Rock St Capitol, US.

Key Facts for 18 April 1911

  • On 18 April 1911, 25 weather records were set or tied at long-record stations worldwide.
  • 7 were record highs and 2 were record lows, counting maximum and minimum temperature.
  • By timescale, 0 were all-time records, 0 monthly and 25 daily.
  • Little Rock St Capitol set a daily record precipitation of 44.2 mm (1.7 in) on 18 April 1911.
  • Across 160 earlier years (1793 to 2026) the same calendar date averaged 470 records.

Record Map

25 stations
Weather records on 18 April 1911 25 station records on 18 April 1911 are marked on the map, coloured by record type.
25 station records on 18 April 1911 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 18 April 1911: highest significance records shown on the map
StationCountryTypeValueSignificance
Little Rock St CapitolUnited StatesRecord daily precipitation44.2 mm (1.7 in)23 of 100 (Routine)
WillowmoreSouth AfricaRecord daily precipitation19.3 mm (0.8 in)20 of 100 (Routine)
Nicola LakeCanadaRecord daily precipitation6.4 mm (0.25 in)20 of 100 (Routine)
SteynsburgSouth AfricaRecord daily precipitation22.1 mm (0.9 in)20 of 100 (Routine)
Kola-In-MurmanRussiaRecord daily precipitation4.5 mm (0.18 in)20 of 100 (Routine)
SandvigDenmarkRecord high maximum temperature17.0 C (62.6 F)18 of 100 (Routine)
Sydney (Observatory Hill)AustraliaRecord daily precipitation55.1 mm (2.2 in)15 of 100 (Routine)
George AirportSouth AfricaRecord daily precipitation18.8 mm (0.7 in)15 of 100 (Routine)
AlicedaleSouth AfricaRecord daily precipitation10.7 mm (0.4 in)12 of 100 (Routine)
Murrurundi Post OfficeAustraliaRecord daily precipitation38.1 mm (1.5 in)11 of 100 (Routine)
GravenhurstCanadaRecord low minimum temperature-7.8 C (18.0 F)11 of 100 (Routine)
FreiburgGermanyRecord high maximum temperature23.6 C (74.5 F)11 of 100 (Routine)
Piketberg (Pol)South AfricaRecord daily precipitation12.7 mm (0.5 in)11 of 100 (Routine)
Nelson Bay (Nelson Head)AustraliaRecord daily precipitation38.4 mm (1.5 in)10 of 100 (Routine)
TranebjergDenmarkRecord high maximum temperature14.6 C (58.3 F)9 of 100 (Routine)
Burrawang South StationAustraliaRecord daily precipitation20.6 mm (0.8 in)8 of 100 (Routine)
Maitland WestAustraliaRecord daily precipitation26.4 mm (1.0 in)7 of 100 (Routine)
LlangollenAustraliaRecord daily precipitation11.4 mm (0.4 in)7 of 100 (Routine)
Picton Council DepotAustraliaRecord daily precipitation13.2 mm (0.5 in)7 of 100 (Routine)
Cape Otway LighthouseAustraliaRecord low maximum temperature14.2 C (57.6 F)7 of 100 (Routine)
MagdeburgGermanyRecord high maximum temperature24.3 C (75.7 F)4 of 100 (Routine)
ArnsbergGermanyRecord high maximum temperature21.5 C (70.7 F)4 of 100 (Routine)
Augsburg (Sankt Stephan)GermanyRecord high maximum temperature21.1 C (70.0 F)4 of 100 (Routine)
DurhamUnited KingdomRecord high minimum temperature6.0 C (42.8 F)4 of 100 (Routine)
Stellenbosch (Tnk)South AfricaRecord daily precipitation21.6 mm (0.9 in)3 of 100 (Routine)

Counts by Type and Timescale

25 records
Records on 18 April 1911 by type Records set or tied on 18 April 1911 by type: Highest daily maximum 6, Lowest daily maximum 1, Highest daily minimum 1, Lowest daily minimum 1, Heaviest daily rainfall 16. 05101520Highest daily maximum: 6Lowest daily maximum: 1Highest daily minimum: 1Lowest daily minimum: 1Heaviest daily rainfall: 16Heaviest daily snowfall: 0Deepest snow cover: 0Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 18 April 1911 by type: Highest daily maximum 6, Lowest daily maximum 1, Highest daily minimum 1, Lowest daily minimum 1, Heaviest daily rainfall 16.
Records on 18 April 1911 by type
Record typeRecords
Highest daily maximum6
Lowest daily maximum1
Highest daily minimum1
Lowest daily minimum1
Heaviest daily rainfall16
Heaviest daily snowfall0
Deepest snow cover0
Records on 18 April 1911 by timescale Records on 18 April 1911 by timescale: all-time 0, monthly 0, daily 25. 0102030all-time: 0monthly: 0daily: 25all-timemonthlydaily
Records on 18 April 1911 by timescale: all-time 0, monthly 0, daily 25.
Records on 18 April 1911 by timescale
TimescaleRecords
all-time0
monthly0
daily25

How Much Records Were Beaten By

24 broken records
Histogram of margins by which records were beaten on 18 April 1911 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 23.4. Ties are not counted. 0510150 to 5: 145 to 10: 610 to 15: 215 to 20: 020 to 25: 20 to 55 to 1010 to 1515 to 2020 to 25
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 23.4. Ties are not counted.
Histogram of margins by which records were beaten on 18 April 1911
MarginRecords
0 to 514
5 to 106
10 to 152
15 to 200
20 to 252

Top 20 by Significance

18 April 1911
Top 20 records on 18 April 1911 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
18 April 1911Little Rock St Capitol, USdaily rain44.2 mm (1.7 in)23.4 mm (0.9 in)28 years23 of 100 (Routine)
18 April 1911Willowmore, ZAdaily rain19.3 mm (0.8 in)8.9 mm (0.35 in)24 years20 of 100 (Routine)
18 April 1911Nicola Lake, CAdaily rain6.4 mm (0.25 in)5.1 mm (0.20 in)20 years20 of 100 (Routine)
18 April 1911Steynsburg, ZAdaily rain22.1 mm (0.9 in)11.9 mm (0.5 in)23 years20 of 100 (Routine)
18 April 1911Kola-In-Murman, RUdaily rain4.5 mm (0.18 in)3.0 mm (0.12 in)15 years20 of 100 (Routine)
18 April 1911Sandvig, DKdaily high max17.0 C (62.6 F)2.2 C (4.0 F)30 years18 of 100 (Routine)
18 April 1911Sydney (Observatory Hill), AUdaily rain55.1 mm (2.2 in)20.8 mm (0.8 in)2 years15 of 100 (Routine)
18 April 1911George Airport, ZAdaily rain18.8 mm (0.7 in)6.9 mm (0.27 in)22 years15 of 100 (Routine)
18 April 1911Alicedale, ZAdaily rain10.7 mm (0.4 in)2.1 mm (0.08 in)24 years12 of 100 (Routine)
18 April 1911Murrurundi Post Office, AUdaily rain38.1 mm (1.5 in)8.9 mm (0.35 in)2 years11 of 100 (Routine)
18 April 1911Gravenhurst, CAdaily low min-7.8 C (18.0 F)0.6 C (1.1 F)23 years11 of 100 (Routine)
18 April 1911Freiburg, DEdaily high max23.6 C (74.5 F)0.1 C (0.2 F)29 years11 of 100 (Routine)
18 April 1911Piketberg (Pol), ZAdaily rain12.7 mm (0.5 in)5.1 mm (0.20 in)12 years11 of 100 (Routine)
18 April 1911Nelson Bay (Nelson Head), AUdaily rain38.4 mm (1.5 in)11.7 mm (0.5 in)2 years10 of 100 (Routine)
18 April 1911Tranebjerg, DKdaily high max14.6 C (58.3 F)0.5 C (0.9 F)16 years9 of 100 (Routine)
18 April 1911Burrawang South Station, AUdaily rain20.6 mm (0.8 in)0.3 mm (0.01 in)16 years8 of 100 (Routine)
18 April 1911Maitland West, AUdaily rain26.4 mm (1.0 in)2.8 mm (0.11 in)2 years7 of 100 (Routine)
18 April 1911Llangollen, AUdaily rain11.4 mm (0.4 in)4.5 mm (0.18 in)2 years7 of 100 (Routine)
18 April 1911Picton Council Depot, AUdaily rain13.2 mm (0.5 in)5.3 mm (0.21 in)2 years7 of 100 (Routine)
18 April 1911Cape Otway Lighthouse, AUdaily low max14.2 C (57.6 F)0.2 C (0.4 F)10 years7 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 1911
Records on 04-18 in each year Records set or tied on this calendar date in each year from 1793 to 1911. 1911 had 25 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 1911. 1911 had 25 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 1911-04-18: 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).