Daily records
Page built 2026-10-19
Data as of 2026-10-15
Search
Built 2026-10-19 (19 October 2026)

Weather Records on 18 April 1917

40 weather records were set or tied worldwide on 18 April 1917. Highest significance: Gorki, BY.

Key Facts for 18 April 1917

  • On 18 April 1917, 40 weather records were set or tied at long-record stations worldwide.
  • 11 were record highs and 10 were record lows, counting maximum and minimum temperature.
  • By timescale, 0 were all-time records, 1 monthly and 39 daily.
  • Gorki set a monthly record daily precipitation of 29.2 mm (1.1 in) on 18 April 1917.
  • Across 160 earlier years (1793 to 2026) the same calendar date averaged 470 records.

Record Map

40 stations
Weather records on 18 April 1917 40 station records on 18 April 1917 are marked on the map, coloured by record type.
40 station records on 18 April 1917 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 18 April 1917: highest significance records shown on the map
StationCountryTypeValueSignificance
GorkiBelarusRecord daily precipitation29.2 mm (1.1 in)35 of 100 (Notable)
Wilmington Wb CityUnited StatesRecord high maximum temperature29.4 C (84.9 F)21 of 100 (Routine)
GavleSwedenRecord daily precipitation8.7 mm (0.34 in)20 of 100 (Routine)
CottamCanadaRecord daily precipitation21.6 mm (0.9 in)20 of 100 (Routine)
Lincoln UNIV Pwr PltUnited StatesRecord high minimum temperature17.8 C (64.0 F)20 of 100 (Routine)
Prince AlbertCanadaRecord daily snowfall10.2 cm (4.0 in)19 of 100 (Routine)
KievUkraineRecord daily precipitation25.7 mm (1.0 in)19 of 100 (Routine)
HaldenNorwayRecord snow depth1.0 cm (0.4 in)18 of 100 (Routine)
Prince AlbertCanadaRecord daily precipitation10.2 mm (0.4 in)16 of 100 (Routine)
Port StanleyCanadaRecord high maximum temperature19.4 C (66.9 F)16 of 100 (Routine)
Green BayUnited StatesRecord daily precipitation13.5 mm (0.5 in)16 of 100 (Routine)
Stony MountainCanadaRecord daily snowfall0.8 cm (0.3 in)15 of 100 (Routine)
Munchen-NymphenburgGermanyRecord low maximum temperature2.6 C (36.7 F)14 of 100 (Routine)
Heinersreuth-VollhofGermanyRecord low maximum temperature2.6 C (36.7 F)14 of 100 (Routine)
Concordia ASOSUnited StatesRecord high minimum temperature17.2 C (63.0 F)14 of 100 (Routine)
GrenfellCanadaRecord daily snowfall17.8 cm (7.0 in)12 of 100 (Routine)
St AlbansCanadaRecord daily snowfall2.8 cm (1.1 in)12 of 100 (Routine)
HvarCroatiaRecord low minimum temperature7.0 C (44.6 F)12 of 100 (Routine)
Dubuque RiverUnited StatesRecord high minimum temperature15.0 C (59.0 F)11 of 100 (Routine)
FreiburgGermanyRecord low maximum temperature2.6 C (36.7 F)10 of 100 (Routine)
ChaplinCanadaRecord daily snowfall8.9 cm (3.5 in)9 of 100 (Routine)
HillviewCanadaRecord daily precipitation8.1 mm (0.32 in)9 of 100 (Routine)
MagdeburgGermanyRecord low maximum temperature4.7 C (40.5 F)9 of 100 (Routine)
Uniondale (Tnk)South AfricaRecord daily precipitation8.6 mm (0.34 in)9 of 100 (Routine)
KarlsruheGermanyRecord low maximum temperature4.6 C (40.3 F)8 of 100 (Routine)
ArnsbergGermanyRecord snow depth2.0 cm (0.8 in)8 of 100 (Routine)
Lincoln UNIV Pwr PltUnited StatesRecord high maximum temperature29.4 C (84.9 F)8 of 100 (Routine)
InnsbruckAustriaRecord low maximum temperature7.0 C (44.6 F)7 of 100 (Routine)
ChaplinCanadaRecord daily precipitation8.9 mm (0.35 in)7 of 100 (Routine)
ArhangelskRussiaRecord high minimum temperature2.9 C (37.2 F)7 of 100 (Routine)
ZametchinoRussiaRecord high minimum temperature7.9 C (46.2 F)7 of 100 (Routine)
Orskar_ASwedenRecord daily precipitation5.2 mm (0.20 in)7 of 100 (Routine)
TbilisiGeorgiaRecord high minimum temperature12.6 C (54.7 F)5 of 100 (Routine)
Oran-Hopital MilitaireAlgeriaRecord low minimum temperature8.0 C (46.4 F)3 of 100 (Routine)
Nemours (Ghazaouet)AlgeriaRecord low maximum temperature15.0 C (59.0 F)3 of 100 (Routine)
GalwayIrelandRecord low maximum temperature9.4 C (48.9 F)3 of 100 (Routine)
HillviewCanadaRecord daily snowfall2.5 cm (1.0 in)2 of 100 (Routine)
Rapid City ForrestCanadaRecord daily precipitation1.0 mm (0.04 in)2 of 100 (Routine)
Greenville Dwtn APUnited StatesRecord high maximum temperature31.1 C (88.0 F)2 of 100 (Routine)
Dubuque RiverUnited StatesRecord high maximum temperature28.3 C (82.9 F)1 of 100 (Routine)

Counts by Type and Timescale

40 records
Records on 18 April 1917 by type Records set or tied on 18 April 1917 by type: Highest daily maximum 5, Lowest daily maximum 8, Highest daily minimum 6, Lowest daily minimum 2, Heaviest daily rainfall 11, Heaviest daily snowfall 6, Deepest snow cover 2. 051015Highest daily maximum: 5Lowest daily maximum: 8Highest daily minimum: 6Lowest daily minimum: 2Heaviest daily rainfall: 11Heaviest daily snowfall: 6Deepest snow cover: 2Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 18 April 1917 by type: Highest daily maximum 5, Lowest daily maximum 8, Highest daily minimum 6, Lowest daily minimum 2, Heaviest daily rainfall 11, Heaviest daily snowfall 6, Deepest snow cover 2.
Records on 18 April 1917 by type
Record typeRecords
Highest daily maximum5
Lowest daily maximum8
Highest daily minimum6
Lowest daily minimum2
Heaviest daily rainfall11
Heaviest daily snowfall6
Deepest snow cover2
Records on 18 April 1917 by timescale Records on 18 April 1917 by timescale: all-time 0, monthly 1, daily 39. 010203040all-time: 0monthly: 1daily: 39all-timemonthlydaily
Records on 18 April 1917 by timescale: all-time 0, monthly 1, daily 39.
Records on 18 April 1917 by timescale
TimescaleRecords
all-time0
monthly1
daily39

How Much Records Were Beaten By

33 broken records
Histogram of margins by which records were beaten on 18 April 1917 Margins by which the 33 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 38.0. Ties are not counted. 01020300 to 5: 215 to 10: 510 to 15: 415 to 20: 120 to 25: 025 to 30: 130 to 35: 035 to 40: 10 to 55 to 1010 to 1515 to 2020 to 2525 to 3030 to 3535 to 40
Margins by which the 33 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 38.0. Ties are not counted.
Histogram of margins by which records were beaten on 18 April 1917
MarginRecords
0 to 521
5 to 105
10 to 154
15 to 201
20 to 250
25 to 301
30 to 350
35 to 401

Top 20 by Significance

18 April 1917
Top 20 records on 18 April 1917 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
18 April 1917Gorki, BYmonthly rain29.2 mm (1.1 in)6.2 mm (0.24 in)17 years35 of 100 (Notable)
18 April 1917Wilmington Wb City, USdaily high max29.4 C (84.9 F)3.3 C (5.9 F)35 years21 of 100 (Routine)
18 April 1917Gavle, SEdaily rain8.7 mm (0.34 in)1.9 mm (0.07 in)52 years20 of 100 (Routine)
18 April 1917Cottam, CAdaily rain21.6 mm (0.9 in)10.9 mm (0.4 in)16 years20 of 100 (Routine)
18 April 1917Lincoln UNIV Pwr Plt, USdaily high min17.8 C (64.0 F)6.1 C (11.0 F)22 years20 of 100 (Routine)
18 April 1917Prince Albert, CAdaily snowfall10.2 cm (4.0 in)3.8 cm (1.5 in)19 years19 of 100 (Routine)
18 April 1917Kiev, UAdaily rain25.7 mm (1.0 in)6.1 mm (0.24 in)12 years19 of 100 (Routine)
18 April 1917Halden, NOdaily snow depth1.0 cm (0.4 in)1.0 cm (0.4 in)34 years18 of 100 (Routine)
18 April 1917Prince Albert, CAdaily rain10.2 mm (0.4 in)3.8 mm (0.15 in)19 years16 of 100 (Routine)
18 April 1917Port Stanley, CAdaily high max19.4 C (66.9 F)0.5 C (0.9 F)38 years16 of 100 (Routine)
18 April 1917Green Bay, USdaily rain13.5 mm (0.5 in)5.9 mm (0.23 in)22 years16 of 100 (Routine)
18 April 1917Stony Mountain, CAdaily snowfall0.8 cm (0.3 in)0.5 cm (0.2 in)33 years15 of 100 (Routine)
18 April 1917Munchen-Nymphenburg, DEdaily low max2.6 C (36.7 F)1.2 C (2.2 F)32 years14 of 100 (Routine)
18 April 1917Heinersreuth-Vollhof, DEdaily low max2.6 C (36.7 F)0.3 C (0.5 F)37 years14 of 100 (Routine)
18 April 1917Concordia ASOS, USdaily high min17.2 C (63.0 F)3.9 C (7.0 F)14 years14 of 100 (Routine)
18 April 1917Grenfell, CAdaily snowfall17.8 cm (7.0 in)2.6 cm (1.0 in)20 years12 of 100 (Routine)
18 April 1917St Albans, CAdaily snowfall2.8 cm (1.1 in)1.8 cm (0.7 in)20 years12 of 100 (Routine)
18 April 1917Hvar, HRdaily low min7.0 C (44.6 F)0.1 C (0.2 F)29 years12 of 100 (Routine)
18 April 1917Dubuque River, USdaily high min15.0 C (59.0 F)0.6 C (1.1 F)22 years11 of 100 (Routine)
18 April 1917Freiburg, DEdaily low max2.6 C (36.7 F)1.6 C (2.9 F)14 years10 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 1917
Records on 04-18 in each year Records set or tied on this calendar date in each year from 1793 to 1917. 1917 had 40 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 1917. 1917 had 40 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 1917-04-18: 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).