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Weather Records on 14 August 1917

38 weather records were set or tied worldwide on 14 August 1917. Highest significance: Scheveningen, NL.

Key Facts for 14 August 1917

  • On 14 August 1917, 38 weather records were set or tied at long-record stations worldwide.
  • 13 were record highs and 1 were record lows, counting maximum and minimum temperature.
  • By timescale, 0 were all-time records, 2 monthly and 36 daily.
  • Scheveningen set a daily record precipitation of 30.5 mm (1.2 in) on 14 August 1917.
  • Across 166 earlier years (1793 to 2026) the same calendar date averaged 465 records.

Record Map

38 stations
Weather records on 14 August 1917 38 station records on 14 August 1917 are marked on the map, coloured by record type.
38 station records on 14 August 1917 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 14 August 1917: highest significance records shown on the map
StationCountryTypeValueSignificance
ScheveningenNetherlandsRecord daily precipitation30.5 mm (1.2 in)41 of 100 (Notable)
HohenpeissenbergGermanyRecord daily precipitation33.8 mm (1.3 in)36 of 100 (Notable)
MagdeburgGermanyRecord daily precipitation26.2 mm (1.0 in)31 of 100 (Routine)
YaltaUkraineRecord daily precipitation57.1 mm (2.2 in)22 of 100 (Routine)
BambergGermanyRecord daily precipitation24.7 mm (1.0 in)20 of 100 (Routine)
Zagreb-GricCroatiaRecord high minimum temperature21.2 C (70.2 F)20 of 100 (Routine)
Concordia ASOSUnited StatesRecord low maximum temperature22.2 C (72.0 F)18 of 100 (Routine)
Colesberg (Tnk)South AfricaRecord daily precipitation1.3 mm (0.05 in)16 of 100 (Routine)
Yardley ChaseSouth AfricaRecord daily precipitation1.3 mm (0.05 in)15 of 100 (Routine)
HoofddorpNetherlandsRecord daily precipitation19.5 mm (0.8 in)14 of 100 (Routine)
Aberdeen Rd (Sar)South AfricaRecord daily precipitation1.5 mm (0.06 in)14 of 100 (Routine)
Katberg (Bos)South AfricaRecord daily precipitation10.7 mm (0.4 in)14 of 100 (Routine)
JamestownSouth AfricaRecord daily precipitation1.0 mm (0.04 in)14 of 100 (Routine)
SimferopolUkraineRecord daily precipitation29.0 mm (1.1 in)14 of 100 (Routine)
St. PetersburgRussiaRecord high minimum temperature16.9 C (62.4 F)13 of 100 (Routine)
HaparandaSwedenRecord high minimum temperature15.0 C (59.0 F)13 of 100 (Routine)
Aleksandrovsk-SahalinskijRussiaRecord daily precipitation14.2 mm (0.6 in)12 of 100 (Routine)
Kieskamahoek (Pol)South AfricaRecord daily precipitation1.3 mm (0.05 in)12 of 100 (Routine)
WaverleySouth AfricaRecord daily precipitation5.1 mm (0.20 in)12 of 100 (Routine)
Owen SoundCanadaRecord daily precipitation16.8 mm (0.7 in)11 of 100 (Routine)
HoornNetherlandsRecord daily precipitation17.0 mm (0.7 in)11 of 100 (Routine)
UmeaSwedenRecord high minimum temperature15.0 C (59.0 F)11 of 100 (Routine)
OrenburgRussiaRecord daily precipitation11.8 mm (0.5 in)10 of 100 (Routine)
Middleton (Sar)South AfricaRecord daily precipitation2.0 mm (0.08 in)10 of 100 (Routine)
JokkmokkSwedenRecord high minimum temperature11.8 C (53.2 F)10 of 100 (Routine)
StonecliffeCanadaRecord high minimum temperature18.9 C (66.0 F)9 of 100 (Routine)
KerkwerveNetherlandsRecord daily precipitation16.1 mm (0.6 in)8 of 100 (Routine)
Kola-In-MurmanRussiaRecord daily precipitation9.9 mm (0.39 in)8 of 100 (Routine)
Nieu-Bethesda (Pol)South AfricaRecord daily precipitation5.1 mm (0.20 in)8 of 100 (Routine)
Camden 1United StatesRecord daily precipitation36.1 mm (1.4 in)8 of 100 (Routine)
SalzburgAustriaRecord high maximum temperature30.4 C (86.7 F)7 of 100 (Routine)
CullendaleSouth AfricaRecord daily precipitation4.1 mm (0.16 in)5 of 100 (Routine)
Heinersreuth-VollhofGermanyRecord high minimum temperature15.6 C (60.1 F)4 of 100 (Routine)
Zagreb-GricCroatiaRecord high maximum temperature35.0 C (95.0 F)4 of 100 (Routine)
YarmouthCanadaRecord high maximum temperature24.4 C (75.9 F)2 of 100 (Routine)
Port StanleyCanadaRecord high minimum temperature19.4 C (66.9 F)1 of 100 (Routine)
HambantotaSri LankaRecord high minimum temperature25.4 C (77.7 F)1 of 100 (Routine)
TartuEstoniaRecord high minimum temperature16.5 C (61.7 F)1 of 100 (Routine)

Counts by Type and Timescale

38 records
Records on 14 August 1917 by type Records set or tied on 14 August 1917 by type: Highest daily maximum 3, Lowest daily maximum 1, Highest daily minimum 10, Heaviest daily rainfall 24. 0102030Highest daily maximum: 3Lowest daily maximum: 1Highest daily minimum: 10Lowest daily minimum: 0Heaviest daily rainfall: 24Heaviest daily snowfall: 0Deepest snow cover: 0Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 14 August 1917 by type: Highest daily maximum 3, Lowest daily maximum 1, Highest daily minimum 10, Heaviest daily rainfall 24.
Records on 14 August 1917 by type
Record typeRecords
Highest daily maximum3
Lowest daily maximum1
Highest daily minimum10
Lowest daily minimum0
Heaviest daily rainfall24
Heaviest daily snowfall0
Deepest snow cover0
Records on 14 August 1917 by timescale Records on 14 August 1917 by timescale: all-time 0, monthly 2, daily 36. 010203040all-time: 0monthly: 2daily: 36all-timemonthlydaily
Records on 14 August 1917 by timescale: all-time 0, monthly 2, daily 36.
Records on 14 August 1917 by timescale
TimescaleRecords
all-time0
monthly2
daily36

How Much Records Were Beaten By

33 broken records
Histogram of margins by which records were beaten on 14 August 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 21.0. Ties are not counted. 01020300 to 5: 265 to 10: 510 to 15: 115 to 20: 020 to 25: 10 to 55 to 1010 to 1515 to 2020 to 25
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 21.0. Ties are not counted.
Histogram of margins by which records were beaten on 14 August 1917
MarginRecords
0 to 526
5 to 105
10 to 151
15 to 200
20 to 251

Top 20 by Significance

14 August 1917
Top 20 records on 14 August 1917 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
14 August 1917Scheveningen, NLdaily rain30.5 mm (1.2 in)21.0 mm (0.8 in)27 years41 of 100 (Notable)
14 August 1917Hohenpeissenberg, DEdaily rain33.8 mm (1.3 in)7.6 mm (0.30 in)61 years36 of 100 (Notable)
14 August 1917Magdeburg, DEdaily rain26.2 mm (1.0 in)12.0 mm (0.5 in)2 years31 of 100 (Routine)
14 August 1917Yalta, UAmonthly rain57.1 mm (2.2 in)2.4 mm (0.09 in)22 years22 of 100 (Routine)
14 August 1917Bamberg, DEdaily rain24.7 mm (1.0 in)8.9 mm (0.35 in)30 years20 of 100 (Routine)
14 August 1917Zagreb-Gric, HRdaily high min21.2 C (70.2 F)2.3 C (4.1 F)26 years20 of 100 (Routine)
14 August 1917Concordia ASOS, USdaily low max22.2 C (72.0 F)3.4 C (6.1 F)27 years18 of 100 (Routine)
14 August 1917Colesberg (Tnk), ZAdaily rain1.3 mm (0.05 in)1.3 mm (0.05 in)38 years16 of 100 (Routine)
14 August 1917Yardley Chase, ZAdaily rain1.3 mm (0.05 in)1.3 mm (0.05 in)35 years15 of 100 (Routine)
14 August 1917Hoofddorp, NLdaily rain19.5 mm (0.8 in)2.5 mm (0.10 in)21 years14 of 100 (Routine)
14 August 1917Aberdeen Rd (Sar), ZAdaily rain1.5 mm (0.06 in)1.5 mm (0.06 in)31 years14 of 100 (Routine)
14 August 1917Katberg (Bos), ZAdaily rain10.7 mm (0.4 in)6.9 mm (0.27 in)15 years14 of 100 (Routine)
14 August 1917Jamestown, ZAdaily rain1.0 mm (0.04 in)1.0 mm (0.04 in)37 years14 of 100 (Routine)
14 August 1917Simferopol, UAdaily rain29.0 mm (1.1 in)7.5 mm (0.30 in)2 years14 of 100 (Routine)
14 August 1917St. Petersburg, RUdaily high min16.9 C (62.4 F)0.1 C (0.2 F)34 years13 of 100 (Routine)
14 August 1917Haparanda, SEdaily high min15.0 C (59.0 F)2.5 C (4.5 F)11 years13 of 100 (Routine)
14 August 1917Aleksandrovsk-Sahalinskij, RUdaily rain14.2 mm (0.6 in)3.4 mm (0.13 in)20 years12 of 100 (Routine)
14 August 1917Kieskamahoek (Pol), ZAdaily rain1.3 mm (0.05 in)0.8 mm (0.03 in)30 years12 of 100 (Routine)
14 August 1917Waverley, ZAdaily rain5.1 mm (0.20 in)4.1 mm (0.16 in)8 years12 of 100 (Routine)
14 August 1917Owen Sound, CAdaily rain16.8 mm (0.7 in)2.1 mm (0.08 in)25 years11 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 08-14 in each year Records set or tied on this calendar date in each year from 1793 to 1917. 1917 had 38 records. 05001,0001,5002,0001793: 21807: 11815: 11818: 11825: 11833: 21839: 11841: 11843: 11845: 21856: 21857: 11859: 11861: 11864: 31865: 11866: 21868: 11870: 11871: 11872: 11873: 11874: 11876: 41882: 11884: 11885: 31886: 11887: 31889: 21890: 11891: 11892: 31893: 21894: 21895: 31896: 51897: 51898: 21899: 21900: 11901: 11902: 81903: 81904: 31905: 101906: 81907: 61908: 281909: 351910: 101911: 301912: 561913: 241914: 161915: 171916: 1091917: 381918: 601919: 1031920: 561921: 611922: 541923: 921924: 3191925: 1281926: 1821927: 1471928: 2331929: 4491930: 6271931: 4101932: 3141933: 3491934: 4701935: 3141936: 6121937: 3541938: 5191939: 3761940: 4891941: 4671942: 3641943: 5831944: 7091945: 5721946: 5111947: 6581948: 3731949: 3741950: 4021951: 4581952: 5601953: 3121954: 4571955: 5351956: 4261957: 2811958: 4211959: 4951960: 4141961: 6631962: 8851963: 8111964: 1,3941965: 4511966: 3881967: 9021968: 1,3151969: 4821970: 3981971: 6771972: 5521973: 4891974: 5421975: 4611976: 1,0601977: 5621978: 8341979: 1,1151980: 5441981: 7191982: 5391983: 7751984: 5981985: 1,0951986: 7751987: 1,1571988: 1,3011989: 7281990: 7371991: 8561992: 1,7091993: 8871994: 1,1491995: 1,4441996: 9541997: 9221998: 1,1001999: 1,3292000: 1,1172001: 8062002: 1,5762003: 1,9132004: 1,9362005: 1,3402006: 1,0732007: 1,3402008: 7982009: 8182010: 1,7042011: 7722012: 7582013: 6122014: 6512015: 9312016: 8242017: 5592018: 3972019: 5782020: 1,0092021: 9322022: 7712023: 1,1162024: 1,0452025: 7982026: 1,2111793186818941911192819451962197919962013
Records set or tied on this calendar date in each year from 1793 to 1917. 1917 had 38 records.
Counts for years before the ledger starts come from the same station rules.
Records on 08-14 in each year
YearRecords
17932
18071
18151
18181
18251
18332
18391
18411
18431
18452
18562
18571
18591
18611
18643
18651
18662
18681
18701
18711
18721
18731
18741
18764
18821
18841
18853
18861
18873
18892
18901
18911
18923
18932
18942
18953
18965
18975
18982
18992
19001
19011
19028
19038
19043
190510
19068
19076
190828
190935
191010
191130
191256
191324
191416
191517
1916109
191738
191860
1919103
192056
192161
192254
192392
1924319
1925128
1926182
1927147
1928233
1929449
1930627
1931410
1932314
1933349
1934470
1935314
1936612
1937354
1938519
1939376
1940489
1941467
1942364
1943583
1944709
1945572
1946511
1947658
1948373
1949374
1950402
1951458
1952560
1953312
1954457
1955535
1956426
1957281
1958421
1959495
1960414
1961663
1962885
1963811
19641,394
1965451
1966388
1967902
19681,315
1969482
1970398
1971677
1972552
1973489
1974542
1975461
19761,060
1977562
1978834
19791,115
1980544
1981719
1982539
1983775
1984598
19851,095
1986775
19871,157
19881,301
1989728
1990737
1991856
19921,709
1993887
19941,149
19951,444
1996954
1997922
19981,100
19991,329
20001,117
2001806
20021,576
20031,913
20041,936
20051,340
20061,073
20071,340
2008798
2009818
20101,704
2011772
2012758
2013612
2014651
2015931
2016824
2017559
2018397
2019578
20201,009
2021932
2022771
20231,116
20241,045
2025798
20261,211

Download the Data

  • Data for records on 1917-08-14: 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).